{"id":3251,"date":"2025-06-04T11:40:01","date_gmt":"2025-06-04T03:40:01","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3251"},"modified":"2025-06-04T11:40:04","modified_gmt":"2025-06-04T03:40:04","slug":"exploring-the-role-of-calcium-carbonate-in-pigments","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/exploring-the-role-of-calcium-carbonate-in-pigments\/","title":{"rendered":"Exploration du r\u00f4le du carbonate de calcium dans les pigments"},"content":{"rendered":"<p>Comme on le sait, les rev\u00eatements sont g\u00e9n\u00e9ralement constitu\u00e9s de quatre composants de base\u00a0: des substances filmog\u00e8nes, des pigments, des solvants et des additifs. Les pigments assurent principalement la couleur et la couverture des rev\u00eatements. On distingue les pigments colorants et les pigments fonctionnels (\u00e9galement appel\u00e9s charges). Les pigments colorants apportent la couleur, tandis que les pigments fonctionnels, comme le carbonate de calcium dans les pigments, am\u00e9liorent l&#039;\u00e9paisseur et la fonctionnalit\u00e9. Les poudres min\u00e9rales non m\u00e9talliques, comme le carbonate de calcium dans les pigments, sont principalement utilis\u00e9es comme charges dans les rev\u00eatements.<br><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/ultrafine-powder-dry-grinding\/\">Carbonate de calcium<\/a> Le carbonate de calcium dans les pigments est la charge min\u00e9rale non m\u00e9tallique la plus couramment utilis\u00e9e en raison de son excellent rapport qualit\u00e9-prix. Il est fin, uniforme, d&#039;une blancheur \u00e9lev\u00e9e et d&#039;excellentes propri\u00e9t\u00e9s optiques. Ajout\u00e9 aux rev\u00eatements aqueux, le carbonate de calcium dans les pigments am\u00e9liore le renforcement, la transparence, la thixotropie et l&#039;\u00e9talement. Il am\u00e9liore consid\u00e9rablement la r\u00e9sistance aux taches, la r\u00e9sistance au frottement et l&#039;adh\u00e9rence, et emp\u00eache la s\u00e9dimentation dans le rev\u00eatement.<br>Bas\u00e9 sur le processus de production et les performances, <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/ball-mill\/\">Carbonate de calcium<\/a> Les pigments peuvent \u00eatre class\u00e9s en carbonate de calcium lourd, carbonate de calcium l\u00e9ger et carbonate de calcium nanom\u00e9trique.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"438\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/pigment-1.webp\" alt=\"pigment\" class=\"wp-image-3183\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/pigment-1.webp 600w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/pigment-1-300x219.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/pigment-1-16x12.webp 16w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Carbonate de Calcium Lourd<\/h2>\n\n\n\n<p>Le carbonate de calcium lourd est la charge la plus importante dans l&#039;industrie des rev\u00eatements. Bon march\u00e9, facilement disponible, il pr\u00e9sente une bonne blancheur, une faible absorption d&#039;huile, une densit\u00e9 mod\u00e9r\u00e9e et une bonne dispersibilit\u00e9. Il contribue \u00e0 r\u00e9duire consid\u00e9rablement les co\u00fbts et est largement utilis\u00e9 dans les peintures au latex, les peintures imperm\u00e9ables, les peintures industrielles anticorrosion l\u00e9g\u00e8res, les peintures pour sols, les peintures pour bois et les rev\u00eatements en poudre. Cependant, la composition du carbonate de calcium lourd varie en fonction des minerais bruts, de la puret\u00e9, de la densit\u00e9 des particules, de la masse volumique apparente, etc. Cela affecte son pouvoir couvrant, sa lavabilit\u00e9, sa brillance, sa fluidit\u00e9 de mise en \u0153uvre et sa stabilit\u00e9 dans les rev\u00eatements.<\/p>\n\n\n\n<p>La comparaison de l&#039;application de diff\u00e9rents carbonates de calcium lourds a permis d&#039;obtenir plusieurs r\u00e9sultats. Dans les peintures latex pour murs int\u00e9rieurs, le carbonate de calcium lourd issu de calcite de grande taille pr\u00e9sente un meilleur rapport de contraste et une meilleure r\u00e9sistance au lavage que la calcite de petite taille et la dolomite. Dans les rev\u00eatements muraux int\u00e9rieurs inorganiques, le carbonate de calcium lourd issu de dolomite pr\u00e9sente une faible stabilit\u00e9 et est inadapt\u00e9 \u00e0 l&#039;utilisation. En revanche, il pr\u00e9sente une meilleure stabilit\u00e9 dans les rev\u00eatements muraux int\u00e9rieurs inorganiques. Dans les rev\u00eatements en poudre polyester, le carbonate de calcium lourd issu de dolomite pr\u00e9sente une aptitude \u00e0 la mise en \u0153uvre, une brillance du film de peinture, une blancheur et un rapport de contraste nettement sup\u00e9rieurs. Ces r\u00e9sultats sont comparables \u00e0 ceux des produits \u00e0 base de calcite de petite taille et de calcite de m\u00eame sp\u00e9cification.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"725\" height=\"643\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/heavy-calcium-carbonate.webp\" alt=\"carbonate de calcium lourd\" class=\"wp-image-3085\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/heavy-calcium-carbonate.webp 725w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/heavy-calcium-carbonate-300x266.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/heavy-calcium-carbonate-14x12.webp 14w\" sizes=\"(max-width: 725px) 100vw, 725px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Carbonate de calcium l\u00e9ger<\/h2>\n\n\n\n<p>Le carbonate de calcium l\u00e9ger se caract\u00e9rise par une faible densit\u00e9 et des particules fines, mais pr\u00e9sente une stabilit\u00e9 moindre. Gr\u00e2ce \u00e0 son excellente suspension et \u00e0 son opacit\u00e9 du film sec, il \u00e9tait autrefois largement utilis\u00e9 dans les peintures au latex. Il am\u00e9liore efficacement la suspension au stockage et la couverture s\u00e8che des rev\u00eatements. Cependant, si le proc\u00e9d\u00e9 de production du carbonate de calcium l\u00e9ger n&#039;est pas bien contr\u00f4l\u00e9, un exc\u00e8s d&#039;ions calcium libres peut souvent entra\u00eener une rupture de l&#039;\u00e9mulsification, affectant la stabilit\u00e9 de la peinture. Par cons\u00e9quent, son utilisation dans les rev\u00eatements architecturaux a diminu\u00e9 depuis l&#039;introduction du kaolin calcin\u00e9. De plus, en raison de sa plus grande absorption d&#039;huile et de sa faible fluidit\u00e9, le carbonate de calcium l\u00e9ger est \u00e9galement utilis\u00e9 dans les rev\u00eatements en poudre textur\u00e9s.<\/p>\n\n\n\n<p><strong>Proc\u00e9d\u00e9 de production de carbonate de calcium l\u00e9ger :<\/strong><\/p>\n\n\n\n<p>Calcaire \u2192 Calcination \u2192 Digestion \u2192 Raffinage \u2192 Concentration et ajustement de la temp\u00e9rature \u2192 Carbonatation \u2192 Filtration \u2192 S\u00e9chage \u2192 Broyage et <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/ultrafine-air-classifier\/\">Classification<\/a> \u2192 Emballage<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Carbonate de calcium nanom\u00e9trique<\/h2>\n\n\n\n<p>Compar\u00e9 au calcium lourd ou au calcium l\u00e9ger ordinaire, le carbonate de calcium nanom\u00e9trique offre non seulement un meilleur renforcement des rev\u00eatements, mais offre \u00e9galement des avantages significatifs en termes d&#039;am\u00e9lioration de la brillance, de la transparence, de s\u00e9chage rapide et de stabilit\u00e9. Il peut \u00e9galement aider \u00e0 suspendre des composants plus lourds comme le dioxyde de titane, emp\u00eachant ainsi la s\u00e9dimentation.<\/p>\n\n\n\n<p>Le nanocarbonate de calcium offre un pouvoir garnissant \u00e9lev\u00e9. Il poss\u00e8de un excellent effet blanchissant et am\u00e9liore la durabilit\u00e9 des rev\u00eatements. De ce fait, il est largement utilis\u00e9 dans les peintures murales int\u00e9rieures et ext\u00e9rieures. Il est \u00e9galement utilis\u00e9 dans les rev\u00eatements pour bois et autres applications. Il peut am\u00e9liorer la r\u00e9sistance aux taches et aux fissures des rev\u00eatements.<\/p>\n\n\n\n<p>De plus, le nanocarbonate de calcium peut am\u00e9liorer la lavabilit\u00e9 et la stabilit\u00e9 des rev\u00eatements gr\u00e2ce \u00e0 des effets d&#039;encombrement st\u00e9rique. Dans les peintures PVC pour soubassements automobiles haut de gamme, il modifie la thixotropie des peintures PVC, am\u00e9liorant ainsi la r\u00e9sistance aux chocs et la vitesse de durcissement par pulv\u00e9risation.<\/p>\n\n\n\n<p>Plus important encore, le carbonate de calcium nano peut remplacer de mani\u00e8re significative le dioxyde de titane co\u00fbteux et le calcium collo\u00efdal co\u00fbteux, r\u00e9duisant ainsi le besoin d&#039;adh\u00e9sifs de base et d&#039;autres additifs, r\u00e9duisant ainsi les co\u00fbts de production.<\/p>\n\n\n\n<p>De plus, le nanocarbonate de calcium offre des applications prometteuses dans des domaines sp\u00e9cialis\u00e9s tels que les rev\u00eatements anticorrosion, les rev\u00eatements de protection et les rev\u00eatements industriels sp\u00e9ciaux. Cependant, il pr\u00e9sente des difficult\u00e9s d&#039;agglom\u00e9ration et de contr\u00f4le de la forme cristalline, qui peuvent affecter la stabilit\u00e9 du produit. Ces probl\u00e8mes peuvent \u00eatre r\u00e9solus gr\u00e2ce \u00e0 des techniques de modification des poudres.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"451\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/Production-of-Nano-Calcium-Carbonate.webp\" alt=\"Production de nano carbonate de calcium\" class=\"wp-image-3173\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/Production-of-Nano-Calcium-Carbonate.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/Production-of-Nano-Calcium-Carbonate-300x180.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/05\/Production-of-Nano-Calcium-Carbonate-18x12.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/surface-modification\/\">Modification des surfaces<\/a><\/h2>\n\n\n\n<p>Avec le d\u00e9veloppement continu des types de modificateurs et des \u00e9quipements de modification, de plus en plus de produits \u00e0 base de carbonate de calcium modifi\u00e9 sont appliqu\u00e9s dans l&#039;industrie du rev\u00eatement pour am\u00e9liorer la fonctionnalit\u00e9 du produit.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Des mat\u00e9riaux inorganiques, comme l&#039;hexam\u00e9taphosphate de sodium, sont utilis\u00e9s comme modificateurs. Les forces chimiques m\u00e9caniques combin\u00e9es aux m\u00e9thodes hydrothermales modifient le carbonate de calcium ultrafin. Des am\u00e9liorations significatives de la dispersion, de la duret\u00e9 et des propri\u00e9t\u00e9s m\u00e9caniques sont obtenues. Ces am\u00e9liorations profitent aux rev\u00eatements plastiques \u00e0 base d&#039;eau.<\/li>\n\n\n\n<li>La modification de surface du carbonate de calcium avec le KH-560 am\u00e9liore la duret\u00e9, l&#039;adh\u00e9rence et la r\u00e9sistance aux chocs des rev\u00eatements pour bois. Elle am\u00e9liore \u00e9galement la compatibilit\u00e9, la r\u00e9sistance \u00e0 la corrosion et la stabilit\u00e9 thermique des rev\u00eatements \u00e9poxy.<\/li>\n\n\n\n<li>Le carbonate de calcium lourd modifi\u00e9 avec de l&#039;acide st\u00e9arique et des agents de couplage am\u00e9liore la transformabilit\u00e9 et la brillance. Il surpasse le carbonate de calcium ordinaire dans les rev\u00eatements en poudre \u00e9poxy-polyester. Le carbonate de calcium modifi\u00e9 avec des agents de couplage am\u00e9liore \u00e9galement la r\u00e9sistance aux chocs et l&#039;adh\u00e9rence du film de rev\u00eatement.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"454\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/calcium-carbonate-three-roller-mill-coating-machine_.webp\" alt=\"machine d&#039;enduction de carbonate de calcium \u00e0 trois rouleaux_\" class=\"wp-image-3129\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/calcium-carbonate-three-roller-mill-coating-machine_.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/calcium-carbonate-three-roller-mill-coating-machine_-300x182.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/calcium-carbonate-three-roller-mill-coating-machine_-18x12.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption class=\"wp-element-caption\">machine d&#039;enduction de carbonate de calcium \u00e0 trois rouleaux_<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Le carbonate de calcium joue un r\u00f4le essentiel dans l&#039;industrie des pigments, offrant des avantages significatifs en tant que charge fonctionnelle. Sa polyvalence am\u00e9liore l&#039;opacit\u00e9, la dispersibilit\u00e9 et r\u00e9duit les co\u00fbts de production. Le carbonate de calcium est un composant pr\u00e9cieux des rev\u00eatements et des peintures. Qu&#039;il soit lourd, l\u00e9ger ou nanom\u00e9trique, il stimule l&#039;innovation dans le domaine des pigments. Il offre aux fabricants des avantages \u00e0 la fois en termes de performance et d&#039;\u00e9conomie. Face \u00e0 la demande croissante de solutions de meilleure qualit\u00e9 et rentables, le r\u00f4le du carbonate de calcium dans les pigments ne fera que gagner en importance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Poudre \u00e9pique<\/h2>\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=\"Syst\u00e8me de production de carbonate de calcium par broyeur \u00e0 boulets et classificateur, avec modification de la surface de la poudre\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/o-M2Wkju9sY?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>\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 transformation. 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<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\/3251#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\/3251#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>Comme on le sait, les rev\u00eatements sont g\u00e9n\u00e9ralement constitu\u00e9s de quatre composants de base\u00a0: des substances filmog\u00e8nes, des pigments, des solvants et des additifs. Les pigments assurent principalement la couleur et la couverture des rev\u00eatements. On distingue les pigments colorants et les pigments fonctionnels (\u00e9galement appel\u00e9s charges). Les pigments colorants apportent la couleur, tandis que les pigments fonctionnels, comme le carbonate de calcium dans les pigments, am\u00e9liorent l&#039;\u00e9paisseur et la fonctionnalit\u00e9. 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