{"id":3791,"date":"2026-01-16T14:03:19","date_gmt":"2026-01-16T06:03:19","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3791"},"modified":"2026-03-20T14:55:06","modified_gmt":"2026-03-20T06:55:06","slug":"what-are-calcium-carbonate-whiskers","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/what-are-calcium-carbonate-whiskers\/","title":{"rendered":"Que sont les fibrilles de carbonate de calcium\u00a0?"},"content":{"rendered":"<p>Les whiskers sont des mat\u00e9riaux monocristallins qui se d\u00e9veloppent sous forme de filaments ou d&#039;aiguilles. Ils ressemblent \u00e0 de courtes fibres, mais leurs dimensions sont beaucoup plus petites. On distingue deux types de whiskers\u00a0: les whiskers organiques et les whiskers inorganiques. Parmi les whiskers inorganiques courants, on trouve le SiC, le Si\u2083N\u2084, le K\u2082Ti\u2081\u2083O\u2083\u2080, l&#039;Al\u2081\u2088B\u2084O\u2083\u2083, le ZnO, le MgO, l&#039;Al\u2082O\u2083 et le CaCO\u2083. La structure atomique \u00e0 l&#039;int\u00e9rieur d&#039;un whisker est tr\u00e8s ordonn\u00e9e. Leur diam\u00e8tre est g\u00e9n\u00e9ralement de l&#039;ordre du microm\u00e8tre. De ce fait, les whiskers ne pr\u00e9sentent quasiment aucun d\u00e9faut courant dans les cristaux massifs, comme les dislocations, les cavit\u00e9s ou les imperfections structurales. Gr\u00e2ce \u00e0 l&#039;absence de ces d\u00e9fauts, la r\u00e9sistance et le module d&#039;\u00e9lasticit\u00e9 des whiskers sont proches des valeurs th\u00e9oriques des cristaux parfaits.<\/p>\n\n\n\n<p>Par cons\u00e9quent, les whiskers pr\u00e9sentent une r\u00e9sistance \u00e9lev\u00e9e, un module d&#039;\u00e9lasticit\u00e9 \u00e9lev\u00e9, une bonne r\u00e9sistance \u00e0 la corrosion et aux hautes temp\u00e9ratures. Ils sont largement utilis\u00e9s dans la fabrication du papier, du caoutchouc, des mat\u00e9riaux de friction et du b\u00e9ton.<\/p>\n\n\n\n<p><strong>Principaux param\u00e8tres physiques des whiskers inorganiques<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Moustache<\/th><th>Densit\u00e9 \/(g\/cm\u00b3)<\/th><th>Diam\u00e8tre \/\u03bcm<\/th><th>Longueur \/\u03bcm<\/th><th>R\u00e9sistance \u00e0 la traction \/GPa<\/th><th>Module d&#039;\u00e9lasticit\u00e9 \/GPa<\/th><th>Duret\u00e9 de Mohs<\/th><th>Coefficient de dilatation thermique \/(10\u207b\u2076\/\u00b0C)<\/th><th>Point de fusion \/\u00b0C<\/th><th>R\u00e9sistance \u00e0 la chaleur \/\u00b0C<\/th><\/tr><\/thead><tbody><tr><td>SiC<\/td><td>3.18<\/td><td>0,05\u20137<\/td><td>5\u2013200<\/td><td>21<\/td><td>490<\/td><td>9<\/td><td>4.0<\/td><td>2690<\/td><td>1600<\/td><\/tr><tr><td>Si\u2083N\u2084<\/td><td>3.2<\/td><td>0,1\u20131,6<\/td><td>5\u2013200<\/td><td>14<\/td><td>380<\/td><td>3.0<\/td><td>\u2014<\/td><td>1900<\/td><td>1700<\/td><\/tr><tr><td>K\u2082Ti\u2084O\u2089<\/td><td>3.3<\/td><td>0,1\u20131,5<\/td><td>10\u2013100<\/td><td>7<\/td><td>280<\/td><td>4<\/td><td>6.8<\/td><td>1370<\/td><td>1200<\/td><\/tr><tr><td>Al\u2081\u2088B\u2084O\u2083\u2083<\/td><td>2.93<\/td><td>0,5\u20131<\/td><td>10\u201320<\/td><td>8<\/td><td>400<\/td><td>7<\/td><td>4.2<\/td><td>1950<\/td><td>1200<\/td><\/tr><tr><td>ZnO<\/td><td>5.78<\/td><td>5<\/td><td>2\u2013300<\/td><td>10<\/td><td>350<\/td><td>4<\/td><td>4.0<\/td><td>1720<\/td><td>\u2014<\/td><\/tr><tr><td>MgO<\/td><td>3.6<\/td><td>3,0\u201310<\/td><td>200\u2013300<\/td><td>\u2014<\/td><td>\u2014<\/td><td>\u2014<\/td><td>13.5<\/td><td>2850<\/td><td>2800<\/td><\/tr><tr><td>Al\u2082O\u2083<\/td><td>3.96<\/td><td>\u2014<\/td><td>\u2014<\/td><td>21<\/td><td>430<\/td><td>\u2014<\/td><td>\u2014<\/td><td>2040<\/td><td>\u2014<\/td><\/tr><tr><td>CaCO\u2083<\/td><td>2.8<\/td><td>1\u20135<\/td><td>20\u201360<\/td><td>\u2014<\/td><td>\u2014<\/td><td>3<\/td><td>\u2014<\/td><td>759<\/td><td>640<\/td><\/tr><tr><td>CaSO\u2084<\/td><td>2.69<\/td><td>1\u20134<\/td><td>100\u2013200<\/td><td>20.5<\/td><td>178<\/td><td>3\u20134<\/td><td>\u2014<\/td><td>1450<\/td><td>\u2014<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/\">Carbonate de calcium<\/a> Moustaches<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"331\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Crystal-structure-of-calcium-carbonate-whiskers.webp\" alt=\"\" class=\"wp-image-3794\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Crystal-structure-of-calcium-carbonate-whiskers.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Crystal-structure-of-calcium-carbonate-whiskers-300x124.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Crystal-structure-of-calcium-carbonate-whiskers-768x318.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Crystal-structure-of-calcium-carbonate-whiskers-18x7.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Les whiskers de carbonate de calcium (CW) se pr\u00e9sentent sous forme de poudres blanches. Observ\u00e9s au microscope, ils apparaissent comme des monocristaux aciculaires ou fibreux. Leur longueur typique est d&#039;environ 20 \u00e0 30 \u03bcm et leur diam\u00e8tre d&#039;environ 0,5 \u00e0 1,0 \u03bcm. Leur point de fusion est d&#039;environ 759 \u00b0C et leur densit\u00e9 de 2,86 g\/cm\u00b3.<\/p>\n\n\n\n<p>Les whiskers de carbonate de calcium constituent un nouveau type de mat\u00e9riau inorganique \u00e0 fibres courtes. Ils se caract\u00e9risent par une blancheur \u00e9lev\u00e9e, d&#039;excellentes propri\u00e9t\u00e9s de remplissage et une grande r\u00e9sistance \u00e0 la traction. Diff\u00e9rentes morphologies de whiskers de carbonate de calcium peuvent \u00eatre obtenues en ajustant les conditions thermodynamiques telles que la pression, la temp\u00e9rature et la concentration, ou en ajoutant des modificateurs de croissance cristalline \u00e0 la solution. Selon leur structure cristalline, les whiskers de carbonate de calcium peuvent \u00eatre class\u00e9s en trois types\u00a0: de type calcite, de type aragonite et de type vat\u00e9rite.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c9tat de d\u00e9veloppement des moustaches de carbonate de calcium<\/h2>\n\n\n\n<p>Les fibres de carbonate de calcium sont peu co\u00fbteuses, ce qui contribue \u00e0 r\u00e9duire les co\u00fbts de production globaux. Elles sont couramment utilis\u00e9es comme agents de renforcement et de durcissement ou comme charges inorganiques fonctionnelles dans les mat\u00e9riaux cimentaires, les plastiques, les rev\u00eatements et les mat\u00e9riaux de friction.<\/p>\n\n\n\n<p>Les fibres de carbonate de calcium sont consid\u00e9r\u00e9es comme un nouveau type de charge. Des entreprises japonaises, telles que Maruo, ont \u00e9t\u00e9 parmi les premi\u00e8res \u00e0 commercialiser des produits \u00e0 base de fibres de carbonate de calcium. En Chine, le d\u00e9veloppement a d\u00e9but\u00e9 relativement tard. Toutefois, au cours de la derni\u00e8re d\u00e9cennie, les r\u00e9sultats de la recherche et le nombre de produits commercialis\u00e9s ont connu une croissance rapide.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e9thodes de pr\u00e9paration des whiskers de carbonate de calcium<\/h2>\n\n\n\n<p>Les principales m\u00e9thodes de pr\u00e9paration comprennent la carbonatation, la double d\u00e9composition, l&#039;hydrolyse de l&#039;ur\u00e9e, le proc\u00e9d\u00e9 sol-gel et la cristallisation par gravit\u00e9. Parmi celles-ci, la carbonatation est la m\u00e9thode la plus simple, \u00e9prouv\u00e9e et \u00e9conome en \u00e9nergie. Elle constitue actuellement le proc\u00e9d\u00e9 industriel dominant.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"457\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Preparation-of-calcium-carbonate-whiskers.webp\" alt=\"Pr\u00e9paration de whiskers de carbonate de calcium\" class=\"wp-image-3793\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Preparation-of-calcium-carbonate-whiskers.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Preparation-of-calcium-carbonate-whiskers-300x171.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Preparation-of-calcium-carbonate-whiskers-768x439.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Preparation-of-calcium-carbonate-whiskers-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>Caract\u00e9ristiques des techniques de pr\u00e9paration des fibres de carbonate de calcium<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>M\u00e9thode<\/th><th>Agent de contr\u00f4le des cristaux<\/th><th>Avantages<\/th><th>Inconv\u00e9nients<\/th><\/tr><\/thead><tbody><tr><td>M\u00e9thode de carbonatation<\/td><td>Requis<\/td><td>Proc\u00e9d\u00e9 simple, adapt\u00e9 \u00e0 la production industrielle<\/td><td>N\u00e9cessite des agents de contr\u00f4le pour introduire des impuret\u00e9s<\/td><\/tr><tr><td>M\u00e9tath\u00e8se \/ M\u00e9thode de double d\u00e9composition<\/td><td>Non requis<\/td><td>Rapport d&#039;aspect \u00e9lev\u00e9, puret\u00e9 \u00e9lev\u00e9e<\/td><td>Faible rendement, cycle de r\u00e9action long<\/td><\/tr><tr><td>m\u00e9thode d&#039;hydrolyse de l&#039;ur\u00e9e<\/td><td>Non requis<\/td><td>Surface tr\u00e8s lisse, grande puret\u00e9<\/td><td>Petit format d&#039;image, forte consommation d&#039;\u00e9nergie<\/td><\/tr><tr><td>m\u00e9thode de d\u00e9composition du bicarbonate de calcium<\/td><td>Non requis<\/td><td>Des moustaches plus longues, une puret\u00e9 relativement \u00e9lev\u00e9e<\/td><td>Faible uniformit\u00e9, grand diam\u00e8tre des vibrisses<\/td><\/tr><tr><td>m\u00e9thode sol-gel<\/td><td>Requis<\/td><td>Contr\u00f4le ais\u00e9 du processus, bonne uniformit\u00e9<\/td><td>Introduit facilement des impuret\u00e9s<\/td><\/tr><tr><td>M\u00e9thode d&#039;ultragravit\u00e9\/hypergravit\u00e9<\/td><td>Requis<\/td><td>Grand format d&#039;image, cycle de production court<\/td><td>N\u00e9cessite un \u00e9quipement sp\u00e9cial et un investissement important.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e9thode de carbonatation<\/h3>\n\n\n\n<p>Dans la m\u00e9thode de carbonatation, le dioxyde de carbone est introduit dans une suspension d&#039;hydroxyde de calcium pr\u00e9alablement pr\u00e9par\u00e9e. Des agents de contr\u00f4le de la morphologie cristalline sont ensuite ajout\u00e9s pour former des pr\u00e9cipit\u00e9s de carbonate de calcium, g\u00e9n\u00e9ralement de type aragonite. Cette m\u00e9thode est similaire au proc\u00e9d\u00e9 gaz-liquide utilis\u00e9 dans la production industrielle de carbonate de calcium pr\u00e9cipit\u00e9. C&#039;est pourquoi elle est \u00e9galement appel\u00e9e m\u00e9thode gaz-liquide. Il s&#039;agit de la m\u00e9thode la plus \u00e9tudi\u00e9e, tant au niveau national qu&#039;international.<\/p>\n\n\n\n<p>Dans la production industrielle \u00e0 grande \u00e9chelle, deux points essentiels doivent \u00eatre pris en compte. Premi\u00e8rement, le d\u00e9bit de CO\u2082 et sa dispersion dans la suspension doivent \u00eatre rigoureusement contr\u00f4l\u00e9s. Ceci permet d&#039;\u00e9viter une sursaturation locale excessive, susceptible d&#039;entra\u00eener la formation d&#039;impuret\u00e9s de calcite ou de carbonate de calcium et de magn\u00e9sium. Deuxi\u00e8mement, la r\u00e9cup\u00e9ration et la r\u00e9utilisation des agents de contr\u00f4le de la cristallisation employ\u00e9s lors de la carbonatation demeurent un d\u00e9fi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e9thode de pr\u00e9cipitation chimique<\/h3>\n\n\n\n<p>La m\u00e9thode de pr\u00e9cipitation chimique consiste \u00e0 faire r\u00e9agir une solution de carbonate de concentration appropri\u00e9e avec une solution de sel de calcium soluble ou peu soluble, dans des conditions contr\u00f4l\u00e9es, afin de produire des pr\u00e9cipit\u00e9s de carbonate de calcium. Dans la plupart des cas, cette m\u00e9thode permet d&#039;obtenir du carbonate de calcium de type calcite. La synth\u00e8se du carbonate de calcium de type aragonite n\u00e9cessite un contr\u00f4le rigoureux des conditions de r\u00e9action.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e9thode de double d\u00e9composition<\/h3>\n\n\n\n<p>La m\u00e9thode de double d\u00e9composition utilise des sels de calcium et des carbonates solubles qui r\u00e9agissent lentement sous temp\u00e9rature et agitation contr\u00f4l\u00e9es, souvent par ajout goutte \u00e0 goutte. Les sels de calcium sont g\u00e9n\u00e9ralement du CaCl\u2082. Les carbonates comprennent couramment du Na\u2082CO\u2083 ou du K\u2082CO\u2083. Cette m\u00e9thode est \u00e9cologique et simple. Les fibres obtenues pr\u00e9sentent un rapport d&#039;aspect relativement \u00e9lev\u00e9, une surface lisse et une grande puret\u00e9. Cependant, le rendement est faible et le temps de r\u00e9action est long.<\/p>\n\n\n\n<p>Il est important de contr\u00f4ler la concentration en CaCl\u2082. Si elle est trop \u00e9lev\u00e9e, une sursaturation locale en Ca\u00b2\u207a se produira. Ceci augmente la force motrice de la cristallisation et favorise la formation de calcite stable plut\u00f4t que d&#039;aragonite.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e9thode de chauffage de la solution de Ca(HCO\u2083)\u2082<\/h3>\n\n\n\n<p>Dans cette m\u00e9thode, une solution de bicarbonate de calcium d&#039;une certaine concentration est chauff\u00e9e \u00e0 une temp\u00e9rature sp\u00e9cifique. Le Ca(HCO\u2083)\u2082 se d\u00e9compose en eau, dioxyde de carbone et carbonate de calcium. Un contr\u00f4le rigoureux de la vitesse d&#039;agitation et de la temp\u00e9rature de r\u00e9action est indispensable pour assurer une croissance optimale des filaments.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e9thode d&#039;ajout continu d&#039;hydroxyde de calcium<\/h3>\n\n\n\n<p>Cette m\u00e9thode dissocie la nucl\u00e9ation de la croissance des filaments. Sous l&#039;effet du chlorure de magn\u00e9sium, un grand nombre de germes se forment initialement. De l&#039;hydroxyde de calcium est ensuite ajout\u00e9 en continu. En contr\u00f4lant le d\u00e9bit d&#039;ajout d&#039;hydroxyde de calcium, la concentration en ions calcium est maintenue \u00e0 un niveau inf\u00e9rieur \u00e0 la saturation. Ceci permet aux filaments de carbonate de calcium de s&#039;allonger, produisant ainsi des filaments de type aragonite de grande taille.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e9thode de cristallisation par r\u00e9action en supergravit\u00e9<\/h3>\n\n\n\n<p>Cette m\u00e9thode est similaire \u00e0 la synth\u00e8se du carbonate de calcium en supergravit\u00e9. Une solution de chlorure de magn\u00e9sium d&#039;une concentration donn\u00e9e est introduite dans une suspension d&#039;hydroxyde de calcium sous un champ de supergravit\u00e9 g\u00e9n\u00e9r\u00e9 par un rotor garni tournant \u00e0 grande vitesse.<\/p>\n\n\n\n<p>Le chlorure de magn\u00e9sium agit comme agent de contr\u00f4le de la morphologie cristalline. En utilisant Ca(OH)\u2082\u2013CO\u2082 comme syst\u00e8me r\u00e9actionnel, des nanofils de carbonate de calcium sont pr\u00e9par\u00e9s en ajustant des param\u00e8tres tels que la vitesse de rotation, le d\u00e9bit de liquide, le d\u00e9bit de gaz, la temp\u00e9rature de carbonatation et la concentration en chlorure de magn\u00e9sium.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e9thode d&#039;hydrolyse de l&#039;ur\u00e9e<\/h3>\n\n\n\n<p>Dans la m\u00e9thode d&#039;hydrolyse de l&#039;ur\u00e9e, le CO\u2082 g\u00e9n\u00e9r\u00e9 pendant l&#039;hydrolyse de l&#039;ur\u00e9e r\u00e9agit avec les sels de calcium solubles pour former des whiskers de carbonate de calcium.<\/p>\n\n\n\n<p>Le secret de cette m\u00e9thode r\u00e9side dans la ma\u00eetrise des conditions de r\u00e9action, telles que la temp\u00e9rature et la pression. Ceci garantit une hydrolyse lente de l&#039;ur\u00e9e et cr\u00e9e un milieu \u00e0 faible sursaturation, propice \u00e0 la nucl\u00e9ation et \u00e0 la croissance des nanofibres.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e9thode de d\u00e9carboxylation des acides carboxyliques<\/h3>\n\n\n\n<p>Dans cette m\u00e9thode, l&#039;acide ac\u00e9tique r\u00e9agit avec l&#039;hydroxyde de calcium pour former des solutions d&#039;ac\u00e9tate de calcium de diff\u00e9rentes concentrations. Ces solutions subissent une hydrolyse \u00e0 temp\u00e9rature constante. Des nanofibres d&#039;aragonite de haute puret\u00e9 peuvent \u00eatre obtenues \u00e0 des concentrations allant de 0,05 \u00e0 0,6 mol\u00b7L\u207b\u00b9. Chauff\u00e9s, les acides carboxyliques organiques lib\u00e8rent du CO\u2082 par d\u00e9carboxylation. La vitesse de lib\u00e9ration du CO\u2082 peut \u00eatre contr\u00f4l\u00e9e, cr\u00e9ant ainsi un milieu de pr\u00e9cipitation des carbonates homog\u00e8ne.<\/p>\n\n\n\n<p>Cette m\u00e9thode requiert un \u00e9quipement et des conditions de r\u00e9action relativement simples. Toutefois, il convient de veiller \u00e0 \u00e9viter la formation de CaCO\u2083 de type calcite.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/surface-modification\/\">Modification des surfaces <\/a>des moustaches de carbonate de calcium<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"643\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-whisker-modification.webp\" alt=\"Modification des fibres de carbonate de calcium\" class=\"wp-image-3795\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-whisker-modification.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-whisker-modification-300x241.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-whisker-modification-768x617.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-whisker-modification-15x12.webp 15w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Objectif de la modification<\/h3>\n\n\n\n<p>Les principaux objectifs de la modification des fibres de carbonate de calcium sont\u00a0:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Pour r\u00e9duire la coh\u00e9sion interparticulaire et am\u00e9liorer la dispersion.<\/li>\n\n\n\n<li>Pour am\u00e9liorer l&#039;activit\u00e9 de surface.<\/li>\n\n\n\n<li>Pour am\u00e9liorer la compatibilit\u00e9 avec d&#039;autres mat\u00e9riaux.<\/li>\n\n\n\n<li>Pour am\u00e9liorer la r\u00e9sistance aux acides.<\/li>\n\n\n\n<li>Pour contr\u00f4ler la morphologie des vibrisses en fonction des diff\u00e9rentes applications.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Processus de modification<\/h3>\n\n\n\n<p><strong>Traitement \u00e0 sec<\/strong><\/p>\n\n\n\n<p>Lors du traitement \u00e0 sec, les fibres de carbonate de calcium sont trait\u00e9es dans un m\u00e9langeur ou un malaxeur \u00e0 grande vitesse. Des agents de traitement de surface sont ajout\u00e9s pendant le m\u00e9lange pour enrober les fibres. Cette m\u00e9thode est simple et convient \u00e0 une production continue et automatis\u00e9e. Cependant, l&#039;uniformit\u00e9 de l&#039;enrobage est limit\u00e9e. Elle est compatible avec divers agents de couplage et modificateurs de surface organiques.<\/p>\n\n\n\n<p><strong>Traitement humide<\/strong><\/p>\n\n\n\n<p>En traitement par voie humide, des modificateurs de surface sont directement ajout\u00e9s \u00e0 une suspension de carbonate de calcium. Cette m\u00e9thode offre d&#039;excellents r\u00e9sultats de rev\u00eatement et est largement utilis\u00e9e.<\/p>\n\n\n\n<p>Le traitement \u00e0 sec permet un conditionnement direct apr\u00e8s transformation. Le traitement par voie humide offre une meilleure couverture de surface et est particuli\u00e8rement adapt\u00e9 \u00e0 la synth\u00e8se en phase liquide de carbonate de calcium nanom\u00e9trique. Parmi les modificateurs de surface couramment utilis\u00e9s, on trouve les acides gras (et leurs sels) et les esters de phosphate.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9quipement de modification des vibrisses au carbonate de calcium<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"749\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Coating-machine-1.webp\" alt=\"Machine de rev\u00eatement\" class=\"wp-image-3256\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Coating-machine-1.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Coating-machine-1-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Coating-machine-1-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Coating-machine-1-12x12.webp 12w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p>L&#039;\u00e9quipement typique utilis\u00e9 pour la modification de surface des whiskers de carbonate de calcium comprend une gamme de broyeurs \u00e0 cisaillement \u00e9lev\u00e9 et \u00e0 dispersion \u00e9lev\u00e9e con\u00e7us pour obtenir un rev\u00eatement uniforme, une d\u00e9sagglom\u00e9ration et un apport d&#039;\u00e9nergie contr\u00f4l\u00e9\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/pin-mill-coating-machine\/\">Moulin \u00e0 broches<\/a><\/strong>Largement utilis\u00e9 pour la modification de surface \u00e0 sec des whiskers de carbonate de calcium. La vitesse de rotation \u00e9lev\u00e9e g\u00e9n\u00e8re de fortes forces d&#039;impact et de cisaillement, permettant une dispersion efficace des whiskers et une fixation uniforme des agents de couplage ou des acides gras. Convient \u00e0 la production en continu et au contr\u00f4le pr\u00e9cis du dosage du rev\u00eatement.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/turbo-mill-coating-machine\/\">Turbobroyeur<\/a><\/strong>Utilisant des pales rotatives \u00e0 grande vitesse pour cr\u00e9er une turbulence et un cisaillement intenses, les broyeurs turbo sont efficaces pour le broyage, la d\u00e9sagglom\u00e9ration et la modification de surface simultan\u00e9s, notamment pour les applications exigeant une granulom\u00e9trie \u00e9troite et une bonne fluidit\u00e9.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/three-roller-coating-machine\/\">Moulin \u00e0 trois cylindres<\/a><\/strong>Principalement utilis\u00e9 dans les p\u00e2tes ou les syst\u00e8mes \u00e0 haute viscosit\u00e9, comme les fibres modifi\u00e9es par voie humide employ\u00e9es dans les encres, les rev\u00eatements et les adh\u00e9sifs. La forte force de cisaillement entre les rouleaux assure une excellente dispersion et d\u00e9sagr\u00e8ge les agglom\u00e9rats mous, am\u00e9liorant ainsi la couverture et l&#039;homog\u00e9n\u00e9it\u00e9 de la surface.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/cell-mill-coating-machine\/\">Moulin \u00e0 rotors multiples<\/a><\/strong>Ce proc\u00e9d\u00e9 comporte plusieurs rotors fonctionnant \u00e0 diff\u00e9rentes vitesses, assurant des actions r\u00e9p\u00e9t\u00e9es d&#039;impact, de cisaillement et de m\u00e9lange. Cette conception optimise le contact entre le modificateur et les fibres et convient \u00e0 la modification industrielle \u00e0 haut d\u00e9bit, garantissant une qualit\u00e9 de produit stable.<\/li>\n\n\n\n<li><strong>\u00c9quipement auxiliaire<\/strong>Selon le proc\u00e9d\u00e9 choisi, les lignes de modification de surface peuvent \u00e9galement comprendre des m\u00e9langeurs \u00e0 grande vitesse, des r\u00e9acteurs \u00e0 agitation humide, des machines de rev\u00eatement en continu et des s\u00e9choirs en aval, tels que des s\u00e9choirs instantan\u00e9s ou des s\u00e9choirs par pulv\u00e9risation. Ces unit\u00e9s contribuent \u00e0 \u00e9liminer l&#039;humidit\u00e9 r\u00e9siduelle tout en minimisant l&#039;agglom\u00e9ration des fibres.<\/li>\n<\/ul>\n\n\n\n<p>Le choix de l&#039;\u00e9quipement de modification d\u00e9pend de la m\u00e9thode de modification (s\u00e8che ou humide), de l&#039;application vis\u00e9e, de l&#039;uniformit\u00e9 de rev\u00eatement requise et de la capacit\u00e9 de production.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Applications des whiskers de carbonate de calcium<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Plastiques<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"760\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Calcium-Carbonate-in-Plastic-Films.webp\" alt=\"Carbonate de calcium dans les films plastiques\" class=\"wp-image-3759\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Calcium-Carbonate-in-Plastic-Films.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Calcium-Carbonate-in-Plastic-Films-300x285.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Calcium-Carbonate-in-Plastic-Films-768x730.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Calcium-Carbonate-in-Plastic-Films-13x12.webp 13w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Carbonate de calcium dans les films plastiques<\/figcaption><\/figure>\n\n\n\n<p>Les fibres de carbonate de calcium sont couramment utilis\u00e9es comme charges dans le PVC, le PS, le PP, l&#039;ABS et d&#039;autres plastiques techniques. Elles am\u00e9liorent la stabilit\u00e9 thermique, la r\u00e9sistance aux chocs, la rigidit\u00e9 et la r\u00e9sistance m\u00e9canique. De plus, l&#039;ajout d&#039;une quantit\u00e9 appropri\u00e9e de ces fibres am\u00e9liore les propri\u00e9t\u00e9s rh\u00e9ologiques des plastiques, ce qui est particuli\u00e8rement important pour les applications plastiques haut de gamme.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"516\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-whisker-addition-amount.webp\" alt=\"quantit\u00e9 d&#039;ajout de fibres de carbonate de calcium\" class=\"wp-image-3792\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-whisker-addition-amount.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-whisker-addition-amount-300x194.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-whisker-addition-amount-768x495.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-whisker-addition-amount-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Rev\u00eatements<\/h3>\n\n\n\n<p>Il existe un fort encombrement st\u00e9rique entre les atomes de carbone et d&#039;oxyg\u00e8ne du carbonate de calcium. Son ajout aux rev\u00eatements accro\u00eet consid\u00e9rablement cet encombrement et limite la s\u00e9dimentation. La blancheur \u00e9lev\u00e9e des fibres de carbonate de calcium rehausse la brillance et le brillant du rev\u00eatement sans en alt\u00e9rer le pouvoir couvrant. La stabilit\u00e9 au stockage est nettement am\u00e9lior\u00e9e.<\/p>\n\n\n\n<p>Gr\u00e2ce \u00e0 leurs effets st\u00e9riques, les fibres de carbonate de calcium peuvent d\u00e9caler les pics d&#039;absorption vers les longueurs d&#039;onde plus courtes. Dans les produits en latex, elles contribuent \u00e0 la protection contre les rayonnements et am\u00e9liorent la r\u00e9sistance au vieillissement. Utilis\u00e9es comme charges inorganiques, les fibres de carbonate de calcium am\u00e9liorent la flexibilit\u00e9, la douceur de surface, les propri\u00e9t\u00e9s autonivelantes, la formation de film et la perm\u00e9abilit\u00e9 des rev\u00eatements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Adh\u00e9sifs et produits d&#039;\u00e9tanch\u00e9it\u00e9<\/h3>\n\n\n\n<p>Les fibres de carbonate de calcium sont largement utilis\u00e9es comme charges et agents de renforcement dans les mastics. Elles permettent, d&#039;une part, de remplacer partiellement des additifs co\u00fbteux, r\u00e9duisant ainsi significativement les co\u00fbts de production. D&#039;autre part, leur structure mol\u00e9culaire et cristalline unique am\u00e9liore la mise en \u0153uvre des mastics silicones. Des am\u00e9liorations notables sont observ\u00e9es au niveau des propri\u00e9t\u00e9s m\u00e9caniques, telles que la r\u00e9sistance \u00e0 la traction et la r\u00e9sistance \u00e0 la rupture. En production industrielle, le contr\u00f4le de la forme cristalline, de la morphologie, de la taille des particules et de la modification de surface des fibres de carbonate de calcium permet d&#039;obtenir des mastics pr\u00e9sentant un excellent comportement thixotrope et une r\u00e9sistance optimale au fluage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Encres<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"366\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-for-ink.webp\" alt=\"Carbonate de calcium pour encre\" class=\"wp-image-3796\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-for-ink.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-for-ink-300x146.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Calcium-carbonate-for-ink-18x9.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p>Les propri\u00e9t\u00e9s physico-chimiques exceptionnelles des fibres de carbonate de calcium en font des additifs tr\u00e8s pris\u00e9s dans l&#039;industrie des encres. Ces avantages se traduisent principalement par une bonne dispersion de la poudre, une transparence \u00e9lev\u00e9e, un s\u00e9chage optimal, une brillance exceptionnelle et une forte capacit\u00e9 d&#039;absorption d&#039;encre.<\/p>\n\n\n\n<p>Gr\u00e2ce \u00e0 leurs caract\u00e9ristiques mol\u00e9culaires, les fibres de carbonate de calcium sont couramment utilis\u00e9es comme charges dans les encres \u00e0 base de r\u00e9sine. Compar\u00e9es au carbonate de calcium g\u00e9latineux, les fibres pr\u00e9sentent une meilleure stabilit\u00e9, une fid\u00e9lit\u00e9 des couleurs sup\u00e9rieure, une plus grande adaptabilit\u00e9 aux applications et la capacit\u00e9 de conserver leurs propri\u00e9t\u00e9s de s\u00e9chage initiales. De ce fait, elles sont souvent utilis\u00e9es dans l&#039;industrie pour remplacer le carbonate de calcium g\u00e9latineux, plus co\u00fbteux.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fabrication du papier<\/h3>\n\n\n\n<p>Les fibres de carbonate de calcium pr\u00e9sentent une structure unique en forme d&#039;aiguilles. Cette structure am\u00e9liore le taux de remplissage du papier, sa r\u00e9sistance \u00e0 la traction et sa r\u00e9sistance au pliage.<\/p>\n\n\n\n<p>De plus, leur rapport d&#039;aspect \u00e9lev\u00e9 et leur morphologie aciculaire permettent aux whiskers de carbonate de calcium de s&#039;entrelacer avec les fibres de papier. Il se forme ainsi des structures similaires aux aiguilles de mullite pr\u00e9sentes dans le ciment. Par cons\u00e9quent, l&#039;impact n\u00e9gatif sur l&#039;adh\u00e9rence entre les fibres est minime, tandis que la r\u00e9tention et la durabilit\u00e9 du papier sont nettement am\u00e9lior\u00e9es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mat\u00e9riaux de friction<\/h3>\n\n\n\n<p>Les fibres de carbonate de calcium offrent une excellente r\u00e9sistance \u00e0 la chaleur, une grande solidit\u00e9, un module d&#039;\u00e9lasticit\u00e9 \u00e9lev\u00e9 et un faible co\u00fbt de mati\u00e8re premi\u00e8re. Ces caract\u00e9ristiques am\u00e9liorent consid\u00e9rablement la r\u00e9sistance \u00e0 l&#039;usure des mat\u00e9riaux de friction tout en maintenant des co\u00fbts de fabrication inf\u00e9rieurs \u00e0 ceux des mat\u00e9riaux anti-usure traditionnels. Des \u00e9tudes ont montr\u00e9 que les fibres de carbonate de calcium peuvent pr\u00e9venir la diminution de la r\u00e9sistance \u00e0 l&#039;usure et du coefficient de friction \u00e0 haute temp\u00e9rature. Cette d\u00e9couverte a trouv\u00e9 de nombreuses applications dans les plaquettes de frein et les mat\u00e9riaux d&#039;embrayage automobiles.<\/p>\n\n\n\n<p>L&#039;incorporation de fibres de carbonate de calcium dans le poly\u00e9ther\u00e9therc\u00e9tone (PEEK) r\u00e9duit le coefficient de frottement et le taux d&#039;usure sp\u00e9cifique. Simultan\u00e9ment, la stabilit\u00e9 thermique, la rigidit\u00e9 et la capacit\u00e9 de charge sont am\u00e9lior\u00e9es. Le ramollissement thermique et l&#039;adh\u00e9rence lors du frottement sont \u00e9galement efficacement r\u00e9duits. Lorsque la teneur en fibres atteint 15 % en poids (%), le taux d&#039;usure sp\u00e9cifique est minimal et environ sept fois sup\u00e9rieur \u00e0 celui du PEEK pur.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"602\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/brake-pads.webp\" alt=\"plaquettes de frein\" class=\"wp-image-3797\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/brake-pads.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/brake-pads-300x226.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/brake-pads-768x578.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/brake-pads-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Mat\u00e9riaux osseux artificiels<\/h3>\n\n\n\n<p>Les nanofibres de carbonate de calcium implant\u00e9es dans le tissu osseux sont progressivement r\u00e9sorb\u00e9es. Apr\u00e8s environ 12 semaines, elles deviennent difficiles \u00e0 d\u00e9tecter in vivo.<br>Par cons\u00e9quent, les fibres de carbonate de calcium peuvent servir de charges de renforcement pour les mat\u00e9riaux polym\u00e8res biod\u00e9gradables.<\/p>\n\n\n\n<p>Les nanofibres de carbonate de calcium sont l\u00e9g\u00e8rement alcalines. Lorsque le pH du milieu se situe entre 9 et 9,5, m\u00eame si elles p\u00e9n\u00e8trent dans le corps humain, elles se d\u00e9composent en milieu physiologique acide et sont sans danger. Ceci indique un fort potentiel pour les applications biom\u00e9dicales, bien que la recherche dans ce domaine, tant au niveau national qu&#039;international, demeure limit\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Additifs pour ciment<\/h3>\n\n\n\n<p>Mat\u00e9riau dot\u00e9 d&#039;excellentes propri\u00e9t\u00e9s m\u00e9caniques, les fibres de carbonate de calcium peuvent combler les microfissures et les pores de la p\u00e2te de ciment durcie.<br>Cela am\u00e9liore consid\u00e9rablement \u00e0 la fois les performances m\u00e9caniques et l&#039;int\u00e9grit\u00e9 microstructurale des mat\u00e9riaux \u00e0 base de ciment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/contact\/\">Conclusion<\/a><\/h2>\n\n\n\n<p>Les fibres de carbonate de calcium constituent un mat\u00e9riau de construction et fonctionnel prometteur. Bien que les techniques de pr\u00e9paration ne soient pas encore totalement abouties et que leurs applications \u00e0 grande \u00e9chelle soient encore en d\u00e9veloppement, elles pr\u00e9sentent un rapport co\u00fbt-efficacit\u00e9 exceptionnel et un fort potentiel d&#039;application. Elles se caract\u00e9risent par une excellente rigidit\u00e9, une grande stabilit\u00e9 dimensionnelle et une stabilit\u00e9 thermique remarquable. Incorpor\u00e9es aux produits plastiques, elles allient la rigidit\u00e9 \u00e0 la t\u00e9nacit\u00e9 des polym\u00e8res, \u00e9largissant ainsi le champ d&#039;application des plastiques existants.<\/p>\n\n\n\n<p>Gr\u00e2ce \u00e0 leurs remarquables propri\u00e9t\u00e9s de renforcement et de durcissement, leur faible tendance \u00e0 l&#039;agglom\u00e9ration et leur bonne dispersibilit\u00e9, les whiskers de carbonate de calcium sont largement utilis\u00e9s comme charges pour le ciment, dans la fabrication du papier et dans les mat\u00e9riaux de friction. De plus, leur structure cristalline compl\u00e8te, leur faible densit\u00e9 de d\u00e9fauts, leur faible co\u00fbt et leur proc\u00e9d\u00e9 de pr\u00e9paration simple en font des charges id\u00e9ales pour am\u00e9liorer la r\u00e9sistance, le module d&#039;\u00e9lasticit\u00e9, la r\u00e9sistance aux alcalis et les performances m\u00e9caniques globales des mat\u00e9riaux composites.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-rounded\"><img loading=\"lazy\" decoding=\"async\" width=\"721\" height=\"721\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp\" alt=\"Emily Chen\" class=\"wp-image-3708\" style=\"width:150px;height:150px\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp 721w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-12x12.webp 12w\" sizes=\"(max-width: 721px) 100vw, 721px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote has-text-align-center is-style-large is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u00ab Merci de votre lecture. J\u2019esp\u00e8re que cet article vous sera utile. N\u2019h\u00e9sitez pas \u00e0 laisser un commentaire ci-dessous. Pour toute question, vous pouvez \u00e9galement contacter le service client en ligne de Zelda. \u00bb<\/p>\n<cite>                                                                                                                                      \u2014 Publi\u00e9 par <a href=\"https:\/\/www.linkedin.com\/company\/76603359\/admin\/dashboard\/\">Emily Chen<\/a><\/cite><\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"16\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/fr\/wp-json\/wp\/v2\/posts\/3791#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/posts\/3791#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.3\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"keen-form\">\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre nom*\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre email*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"pnone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre Pnone ou Whatsapp*\" value=\"\" type=\"tel\" name=\"pnone\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Votre entreprise\" value=\"\" type=\"text\" name=\"your-subject\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"3\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" placeholder=\"Votre message\" name=\"your-message\"><\/textarea><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Soumettre\" \/>\n\t\t<\/p>\n\t<\/div>\n<\/div>\n<style>\n.keen-form div{margin-bottom:5px;}\n.keen-form div p{margin-bottom:0px !important;}\n.one-half,.one-third {\n position: relative;\n margin-right: 4%;\n float: left;\n z-index: 99;\n}\n.one-half { width: 40%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\nwidth: 40%;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 90%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Production GCC\u00a0: Technologie avanc\u00e9e de broyeur \u00e0 boulets et \u00e0 broches de Qingdao EPIC \ud83c\udf1f\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/-6lSAM2gR2A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>Les whiskers sont des mat\u00e9riaux monocristallins qui se d\u00e9veloppent sous forme de filaments ou d&#039;aiguilles. Ils ressemblent \u00e0 de courtes fibres, mais leurs dimensions sont beaucoup plus petites. On distingue deux types de whiskers\u00a0: les whiskers organiques et les whiskers inorganiques. Parmi les whiskers inorganiques courants, on trouve le SiC, le Si\u2083N\u2084, le K\u2082Ti\u2081\u2083O\u2083\u2080, l&#039;Al\u2081\u2088B\u2084O\u2083\u2083, le ZnO, le MgO, l&#039;Al\u2082O\u2083 et le CaCO\u2083. La structure atomique \u00e0 l&#039;int\u00e9rieur d&#039;un whisker est tr\u00e8s complexe.<\/p>","protected":false},"author":1,"featured_media":3795,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[7,6],"tags":[],"class_list":["post-3791","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-surface-modification","category-ultrafine-powder-grinding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Are Calcium Carbonate Whiskers? - Calcium Carbonate Production Line<\/title>\n<meta name=\"description\" content=\"Calcium Carbonate Whiskers are high-aspect-ratio inorganic fillers that provide strong reinforcement, good dispersion, and cost efficiency for plastics, adhesives, coatings, paper, cement, and friction materials.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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