{"id":3004,"date":"2025-03-27T13:56:52","date_gmt":"2025-03-27T05:56:52","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3004"},"modified":"2025-06-04T11:54:59","modified_gmt":"2025-06-04T03:54:59","slug":"why-does-calcium-carbonate-need-surface-modification","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/why-does-calcium-carbonate-need-surface-modification\/","title":{"rendered":"Pourquoi le carbonate de calcium a-t-il besoin d\u2019une modification de surface ?"},"content":{"rendered":"<p>La modification de surface est une m\u00e9thode essentielle pour am\u00e9liorer les performances du carbonate de calcium. Elle am\u00e9liore son applicabilit\u00e9 et \u00e9largit son utilisation sur le march\u00e9.<br>\u00c0 l&#039;avenir, la fonctionnalisation et la sp\u00e9cialisation constitueront les principales tendances du d\u00e9veloppement du carbonate de calcium. La demande en carbonates de calcium sp\u00e9cialis\u00e9s \u00e0 surface modifi\u00e9e augmentera consid\u00e9rablement.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"708\" height=\"369\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/calcium-carbonate-before-and-after-modification.webp\" alt=\"carbonate de calcium avant et apr\u00e8s modification\" class=\"wp-image-3006\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/calcium-carbonate-before-and-after-modification.webp 708w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/calcium-carbonate-before-and-after-modification-300x156.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/calcium-carbonate-before-and-after-modification-18x9.webp 18w\" sizes=\"(max-width: 708px) 100vw, 708px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Am\u00e9liorer la dispersibilit\u00e9 du carbonate de calcium<\/h2>\n\n\n\n<p>Le traitement ultrafin est un moyen important d&#039;am\u00e9liorer la qualit\u00e9 du carbonate de calcium. Cependant, \u00e0 mesure que la taille des particules diminue, leur \u00e9nergie de surface augmente. Cela entra\u00eene une adsorption plus forte et une agglom\u00e9ration plus importante.<br>La modification de surface peut entra\u00eener l&#039;adsorption directionnelle des modificateurs sur la surface du carbonate de calcium. Cela conf\u00e8re \u00e0 la surface des caract\u00e9ristiques de charge.<br>En raison de la r\u00e9pulsion entre charges similaires, le carbonate de calcium est moins susceptible de s&#039;agglom\u00e9rer. Il en r\u00e9sulte une bonne dispersion dans la matrice.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Surface-modification-of-calcium-carbonate.webp\" alt=\"Modification de surface du carbonate de calcium\" class=\"wp-image-3007\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Compatibilit\u00e9 am\u00e9lior\u00e9e avec le carbonate de calcium<\/h2>\n\n\n\n<p>La modification de surface peut augmenter la compatibilit\u00e9 interfaciale et l&#039;affinit\u00e9 entre le carbonate de calcium et les mat\u00e9riaux organiques, am\u00e9liorant ainsi ses performances dans les produits composites comme le caoutchouc ou les plastiques.<br>Par exemple, le carbonate de calcium trait\u00e9 avec des agents de couplage titanate pr\u00e9sente une meilleure compatibilit\u00e9 avec les mol\u00e9cules polym\u00e8res.<br>De plus, les agents de couplage titanate forment des ponts mol\u00e9culaires entre le carbonate de calcium et les mol\u00e9cules de polym\u00e8re, am\u00e9liorant l&#039;interaction entre le polym\u00e8re organique ou la r\u00e9sine et le carbonate de calcium.<br>Cela am\u00e9liore consid\u00e9rablement les propri\u00e9t\u00e9s m\u00e9caniques des composites thermoplastiques, telles que la r\u00e9sistance aux chocs, la r\u00e9sistance \u00e0 la traction, la r\u00e9sistance \u00e0 la flexion et l\u2019allongement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">R\u00e9duire la valeur d&#039;absorption d&#039;huile du carbonate de calcium<\/h2>\n\n\n\n<p>La modification de surface est une m\u00e9thode importante pour r\u00e9duire la capacit\u00e9 d&#039;absorption d&#039;huile des poudres. Apr\u00e8s modification de surface, les particules de carbonate de calcium forment moins d&#039;agr\u00e9gats, am\u00e9liorant ainsi la dispersion. Les espaces entre les particules sont r\u00e9duits et les mol\u00e9cules modifi\u00e9es recouvrent la surface du carbonate de calcium.<br>Cette couverture r\u00e9duit les espaces internes des particules. De plus, elle alt\u00e8re les propri\u00e9t\u00e9s de surface du carbonate de calcium, affaiblissant sa polarit\u00e9 superficielle.<br>En cons\u00e9quence, la friction entre les particules diminue, am\u00e9liorant ainsi la lubrification.<br>Cela conduit \u00e0 un emballage plus serr\u00e9, \u00e0 une densit\u00e9 apparente accrue et \u00e0 une valeur d&#039;absorption d&#039;huile r\u00e9duite.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">D\u00e9velopper le march\u00e9 des applications haut de gamme du carbonate de calcium<\/h2>\n\n\n\n<p>Le carbonate de calcium non modifi\u00e9 pr\u00e9sente une faible compatibilit\u00e9, s&#039;agglom\u00e8re facilement et pr\u00e9sente des performances m\u00e9diocres. Ces inconv\u00e9nients deviennent plus \u00e9vidents \u00e0 mesure que son utilisation augmente.<br>Gr\u00e2ce \u00e0 la modification de surface, le carbonate de calcium acquiert une bonne affinit\u00e9 interfaciale et sa capacit\u00e9 d&#039;absorption d&#039;huile diminue. Il est donc particuli\u00e8rement adapt\u00e9 aux applications haut de gamme telles que les plastiques, les rev\u00eatements, le caoutchouc, le papier, les mastics et les films respirants. Cela am\u00e9liore la qualit\u00e9 des produits et r\u00e9duit encore les co\u00fbts de production pour les entreprises d&#039;application.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Donner au carbonate de calcium des propri\u00e9t\u00e9s plus fonctionnelles<\/h2>\n\n\n\n<p>Le carbonate de calcium sans modification de surface ne peut \u00eatre utilis\u00e9 que comme mat\u00e9riau de remplissage traditionnel, et son domaine d&#039;application et son dosage sont soumis \u00e0 certaines restrictions. Gr\u00e2ce \u00e0 la modification de surface, le carbonate de calcium est devenu un modificateur multifonctionnel.<\/p>\n\n\n\n<p>Le carbonate de calcium non modifi\u00e9 ne peut \u00eatre utilis\u00e9 que comme charge traditionnelle, ce qui limite ses domaines d&#039;application et son utilisation. Par modification de surface, le carbonate de calcium se transforme en un modificateur multifonctionnel. Le carbonate de calcium enrob\u00e9 de silice peut remplacer partiellement le noir de carbone blanc et am\u00e9liorer ses performances sur certains aspects. Le carbonate de calcium l\u00e9ger enrob\u00e9 de m\u00e9taux peut am\u00e9liorer certaines propri\u00e9t\u00e9s sp\u00e9cifiques des produits en caoutchouc.<br>Les composites de carbonate de calcium enrob\u00e9s de dioxyde de titane peuvent remplacer partiellement ce dernier. Le traitement du carbonate de calcium avec des phosphates, des aluminates, des silicates ou des sels de baryum peut cr\u00e9er du carbonate de calcium r\u00e9sistant aux acides.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Augmenter la valeur ajout\u00e9e des produits \u00e0 base de carbonate de calcium<\/h2>\n\n\n\n<p>Actuellement, l&#039;industrie du carbonate de calcium est confront\u00e9e \u00e0 de graves contradictions structurelles, avec une importante surcapacit\u00e9 de production r\u00e9guli\u00e8re. Les statistiques montrent que, ces derni\u00e8res ann\u00e9es, la croissance de la capacit\u00e9 de production r\u00e9guli\u00e8re de carbonate de calcium a largement d\u00e9pass\u00e9 la demande du march\u00e9, entra\u00eenant un arri\u00e9r\u00e9 de produits. Dans ce contexte, la concurrence \u00e0 bas prix entre les entreprises s&#039;est intensifi\u00e9e, comprimant fortement les marges b\u00e9n\u00e9ficiaires, et le d\u00e9veloppement de l&#039;industrie est au point mort.<\/p>\n\n\n\n<p>En revanche, le carbonate de calcium \u00e0 surface modifi\u00e9e a ouvert de nouvelles opportunit\u00e9s de march\u00e9 en raison de ses avantages significatifs en termes de performances.<br>Par exemple, dans l\u2019industrie des rev\u00eatements, le carbonate de calcium ordinaire a tendance \u00e0 provoquer une s\u00e9dimentation et une agglom\u00e9ration, affectant la stabilit\u00e9 au stockage et la formation de film des rev\u00eatements.<br>Le carbonate de calcium modifi\u00e9 en surface am\u00e9liore consid\u00e9rablement la dispersion, lui permettant de se r\u00e9partir uniform\u00e9ment dans le syst\u00e8me de rev\u00eatement, am\u00e9liorant ainsi efficacement la couverture et la brillance de la peinture.<br>De plus, le carbonate de calcium modifi\u00e9 pr\u00e9sente une bonne compatibilit\u00e9 avec les r\u00e9sines organiques dans les rev\u00eatements, am\u00e9liorant consid\u00e9rablement l&#039;adh\u00e9rence et la r\u00e9sistance aux intemp\u00e9ries.<br>Cela se traduit par une exp\u00e9rience utilisateur sup\u00e9rieure et, naturellement, le prix du produit augmente.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"598\" height=\"592\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Application-Areas.webp\" alt=\"Domaines d&#039;application\" class=\"wp-image-3008\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Application-Areas.webp 598w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Application-Areas-300x297.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Application-Areas-12x12.webp 12w\" sizes=\"(max-width: 598px) 100vw, 598px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c9quipement de modification de surface au carbonate de calcium<\/h2>\n\n\n\n<p>Dans le domaine de la modification du carbonate de calcium, la machine de rev\u00eatement \u00e0 broches, la machine de rev\u00eatement \u00e0 trois rouleaux, la machine de rev\u00eatement \u00e0 turbo-broyeur et la machine de rev\u00eatement \u00e0 nid d&#039;abeille jouent un r\u00f4le crucial.<br>Gr\u00e2ce \u00e0 leurs principes de fonctionnement uniques et \u00e0 leurs avantages en termes de performances, ces machines offrent un soutien solide pour la production de produits de carbonate de calcium modifi\u00e9 de haute qualit\u00e9.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/pin-mill-coating-machine\/\">Machine de rev\u00eatement par broyeur \u00e0 broches<\/a>: <\/strong>Ce syst\u00e8me est le plus souvent utilis\u00e9 pour enrober le carbonate de calcium avec de l&#039;acide st\u00e9arique afin de r\u00e9pondre aux exigences des charges utilis\u00e9es dans l&#039;industrie des plastiques.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"747\" height=\"495\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/pin-mill-caosting-machine.webp\" alt=\"machine \u00e0 broyer les broches\" class=\"wp-image-3009\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/pin-mill-caosting-machine.webp 747w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/pin-mill-caosting-machine-300x199.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/pin-mill-caosting-machine-18x12.webp 18w\" sizes=\"(max-width: 747px) 100vw, 747px\" \/><\/figure>\n\n\n\n<p><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/pin-mill-coating-machine\/\">Machine de rev\u00eatement \u00e0 trois rouleaux<\/a>:<\/strong> Ce syst\u00e8me de rev\u00eatement de surface en poudre continue est con\u00e7u sur la base du savoir-faire allemand avec des \u00e9quipements chinois et peut \u00eatre utilis\u00e9 pour le rev\u00eatement de diverses poudres comme le carbonate de calcium (GCC, PCC), le kaolin, le talc, le mica, le graphite, le sulfate de baryum, le noir de carbone blanc, l&#039;hydrate de magn\u00e9sium, l&#039;oxyde de zinc, l&#039;oxyde d&#039;aluminium et convient \u00e0 une vari\u00e9t\u00e9 d&#039;agents de rev\u00eatement solides\/liquides, comme l&#039;agent de couplage aluminate, l&#039;agent de couplage titanate, l&#039;agent de couplage silane et l&#039;acide st\u00e9arique.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"766\" height=\"425\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/three-roller-mill-coating-machine.webp\" alt=\"machine de rev\u00eatement \u00e0 trois rouleaux\" class=\"wp-image-3010\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/three-roller-mill-coating-machine.webp 766w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/three-roller-mill-coating-machine-300x166.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/three-roller-mill-coating-machine-18x10.webp 18w\" sizes=\"(max-width: 766px) 100vw, 766px\" \/><\/figure>\n\n\n\n<p><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/turbo-mill-coating-machine\/\">Machine de rev\u00eatement de broyeur turbo :<\/a> <\/strong>EPIC Powder associe des technologies de pointe de modification de poudre, nationales et internationales, \u00e0 des \u00e9quipements de modification continue de la s\u00e9rie UCOAT, d\u00e9velopp\u00e9s ind\u00e9pendamment. Le taux de modification de la machine de rev\u00eatement par broyeur vortex atteint 99%, et la qualit\u00e9 du produit est stable.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"746\" height=\"492\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Turbo-Mill-Coating-Machine.webp\" alt=\"Machine de rev\u00eatement de broyeur turbo\" class=\"wp-image-3011\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Turbo-Mill-Coating-Machine.webp 746w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Turbo-Mill-Coating-Machine-300x198.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/Turbo-Mill-Coating-Machine-18x12.webp 18w\" sizes=\"(max-width: 746px) 100vw, 746px\" \/><\/figure>\n\n\n\n<p><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/cell-mill-coating-machine\/\">Machine de rev\u00eatement de moulin \u00e0 nid d&#039;abeille<\/a>:<\/strong> Le broyeur \u00e0 nid d&#039;abeilles est un broyeur m\u00e9canique qui privil\u00e9gie un proc\u00e9d\u00e9 pratique de d\u00e9polym\u00e9risation, suivi d&#039;un s\u00e9chage et d&#039;un traitement de surface synchrone. Il est sp\u00e9cialement con\u00e7u pour la production de poudres ultrafines r\u00e9pondant \u00e0 des exigences strictes en mati\u00e8re de granulom\u00e9trie.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/honeycomb-mill-1.webp\" alt=\"moulin \u00e0 nid d&#039;abeilles 1\" class=\"wp-image-3260\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/honeycomb-mill-1.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/honeycomb-mill-1-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/honeycomb-mill-1-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/honeycomb-mill-1-12x12.webp 12w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Coordonn\u00e9es de la poudre EPIC<\/h2>\n\n\n\n<p>Epic Powder, plus de 20 ans d&#039;exp\u00e9rience dans l&#039;industrie des poudres ultrafines. Nous promouvons activement le d\u00e9veloppement futur des poudres ultrafines, en nous concentrant sur les proc\u00e9d\u00e9s de concassage, de broyage, de classification et de modification. Contactez-nous pour une consultation gratuite et des solutions personnalis\u00e9es\u00a0! Notre \u00e9quipe d&#039;experts s&#039;engage \u00e0 vous fournir des produits et services de haute qualit\u00e9 pour optimiser la valeur de vos proc\u00e9d\u00e9s de traitement des poudres. Epic Powder\u00a0: votre expert de confiance en traitement des poudres\u00a0!<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"484\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER.webp\" alt=\"POUDRE \u00c9PIQUE\" class=\"wp-image-2991\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER.webp 860w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER-300x169.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER-768x432.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER-18x10.webp 18w\" sizes=\"(max-width: 860px) 100vw, 860px\" \/><figcaption class=\"wp-element-caption\">POUDRE \u00c9PIQUE<\/figcaption><\/figure>\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\/3004#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\/3004#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>","protected":false},"excerpt":{"rendered":"<p>La modification de surface est une m\u00e9thode essentielle pour am\u00e9liorer les performances du carbonate de calcium. Elle am\u00e9liore son applicabilit\u00e9 et \u00e9tend son utilisation sur le march\u00e9. \u00c0 l&#039;avenir, la fonctionnalisation et la sp\u00e9cialisation seront les principales tendances du d\u00e9veloppement du carbonate de calcium. La demande en carbonates de calcium sp\u00e9cialis\u00e9s \u00e0 surface modifi\u00e9e augmentera consid\u00e9rablement. Am\u00e9liorer la dispersibilit\u00e9 du carbonate de calcium. Le traitement ultrafin est une [\u2026]<\/p>","protected":false},"author":1,"featured_media":3010,"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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