{"id":3125,"date":"2025-04-29T14:13:30","date_gmt":"2025-04-29T06:13:30","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3125"},"modified":"2025-06-04T11:49:19","modified_gmt":"2025-06-04T03:49:19","slug":"optimizing-paper-performance-with-calcium-carbonate-fillers","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/optimizing-paper-performance-with-calcium-carbonate-fillers\/","title":{"rendered":"Optimisation des performances du papier avec des charges de carbonate de calcium"},"content":{"rendered":"<p>La fabrication du papier utilise comme mati\u00e8res premi\u00e8res le bois, le roseau, la bagasse, la paille, la paille de bl\u00e9, les tiges de coton, les tiges de chanvre et le coton. Elle produit de la p\u00e2te \u00e0 papier, puis la transforme en papier et en carton. La fabrication du papier comprend le battage de la p\u00e2te, l&#039;encollage, l&#039;ajout de charges et d&#039;autres traitements. La fabrication d&#039;un papier aux propri\u00e9t\u00e9s vari\u00e9es est un processus complexe. Pourquoi avons-nous besoin de charges dans la fabrication du papier\u00a0? Quelles sont leurs fonctions\u00a0? <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/astra-portfolio\/grinding-and-classifying-system-for-the-production-of-calcium-carbonate\/\">carbonate de calcium<\/a>, la charge la plus utilis\u00e9e dans la fabrication du papier\u00a0? Chaque papetier a sa propre r\u00e9ponse. Par exemple, ajouter une certaine quantit\u00e9 de <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/three-roller-coating-machine\/\">carbonate de calcium <\/a>Les charges augmentent le nombre d&#039;interfaces internes de diffusion de la lumi\u00e8re. Ces interfaces existent entre les fibres et l&#039;air, les charges et les fibres, et les charges et l&#039;air. Parmi celles-ci, la diff\u00e9rence d&#039;indice de r\u00e9fraction entre les charges et l&#039;air est la plus importante. Cela am\u00e9liore consid\u00e9rablement l&#039;opacit\u00e9 du papier.<\/p>\n\n\n\n<p>Bien entendu, l&#039;ajout de charges am\u00e9liore \u00e9galement la brillance, l&#039;uniformit\u00e9 et le toucher du papier. Plus important encore, elles permettent de r\u00e9duire la quantit\u00e9 de fibres 5% \u00e0 30%, ce qui se traduit par une r\u00e9duction significative des co\u00fbts de production.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"650\" height=\"480\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Coated-base-paper.webp\" alt=\"Papier de base couch\u00e9\" class=\"wp-image-3127\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Coated-base-paper.webp 650w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Coated-base-paper-300x222.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Coated-base-paper-16x12.webp 16w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Le premier pigment et charge dans la fabrication du papier \u2013 <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/cell-mill-coating-machine\/\">carbonate de calcium<\/a><\/h2>\n\n\n\n<p>Depuis la promotion de la technologie de collage neutre, le carbonate de calcium est largement utilis\u00e9 dans la fabrication du papier. Il sert \u00e0 la fois de charge et de pigment de couchage. Le carbonate de calcium est abondant et peu co\u00fbteux. Sa fine granulom\u00e9trie et sa blancheur \u00e9lev\u00e9e am\u00e9liorent consid\u00e9rablement l&#039;opacit\u00e9 du papier. Il augmente l&#039;absorption de l&#039;encre et rend le papier plus doux et plus dense. Il am\u00e9liore \u00e9galement la brillance du papier et a un impact minimal sur sa r\u00e9sistance physique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Comme remplissage<\/h3>\n\n\n\n<p>Le carbonate de calcium broy\u00e9 (GCC) est principalement utilis\u00e9 comme charge dans le papier d&#039;impression, le papier \u00e0 \u00e9crire, le papier de bureau et le papier publicitaire, \u00e0 l&#039;exception du papier \u00e0 cigarettes, du papier filtre et de certains papiers d&#039;information sp\u00e9ciaux \u00e0 faible grammage. En pratique, le papier couch\u00e9 n\u00e9cessite un GCC d&#039;une finesse de 325 mesh, d&#039;une blancheur sup\u00e9rieure \u00e0 92 et d&#039;une teneur en CaCO\u2083 sup\u00e9rieure \u00e0 98%. Pour le papier tableau blanc et les produits similaires, le GCC doit avoir une finesse de 1250 mesh ou plus, une blancheur sup\u00e9rieure \u00e0 92 et une teneur en CaCO\u2083 sup\u00e9rieure \u00e0 98%.<\/p>\n\n\n\n<p>Le carbonate de calcium pr\u00e9cipit\u00e9 (PCC) peut, en principe, \u00eatre utilis\u00e9 comme charge dans tous les types de papier. Actuellement, il est principalement utilis\u00e9 comme charge pour les papiers haut de gamme. Parmi les exemples, on peut citer le papier \u00e0 cigarettes, le papier d&#039;information de bureau (tel que le papier pour fax, le papier d&#039;enregistrement d&#039;instruments, le papier d&#039;impression \u00e0 jet d&#039;encre), le papier journal \u00e0 faible grammage et le papier couch\u00e9 \u00e0 faible grammage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Comme pigment de rev\u00eatement<\/h3>\n\n\n\n<p>Le carbonate de calcium lourd peut \u00eatre utilis\u00e9 comme pigment pour les couches d&#039;appr\u00eat et de finition afin d&#039;am\u00e9liorer la qualit\u00e9 et l&#039;uniformit\u00e9 des produits imprim\u00e9s. De nombreuses caract\u00e9ristiques du papier couch\u00e9 d\u00e9pendent \u00e9galement du choix du pigment. Le carbonate de calcium pr\u00e9sente une blancheur \u00e9lev\u00e9e et une bonne fluidit\u00e9, et convient \u00e0 la pr\u00e9paration de rev\u00eatements \u00e0 haute teneur en solides. Il n\u00e9cessite moins d&#039;adh\u00e9sif et peut am\u00e9liorer l&#039;absorption de l&#039;encre par le rev\u00eatement. Il offre une blancheur et une teinte de couleur satisfaisantes, tout en am\u00e9liorant la perm\u00e9abilit\u00e9 \u00e0 l&#039;air. C&#039;est l&#039;un des pigments de couchage les plus couramment utilis\u00e9s.<\/p>\n\n\n\n<p>L&#039;utilisation de carbonate de calcium l\u00e9ger dans les pigments de couchage du papier vise principalement \u00e0 compenser les carences en kaolin et en carbonate de calcium lourd. Il est g\u00e9n\u00e9ralement utilis\u00e9 pour les papiers couch\u00e9s de faible grammage, les papiers couch\u00e9s brillants et les papiers couch\u00e9s mats.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">S\u00e9lection de carbonate de calcium pour la fabrication du papier<\/h2>\n\n\n\n<p>Le carbonate de calcium lourd et le carbonate de calcium l\u00e9ger pr\u00e9sentent chacun leurs avantages comme charges papeti\u00e8res. Le choix du carbonate de calcium doit \u00eatre d\u00e9termin\u00e9 en fonction des exigences du proc\u00e9d\u00e9 de production du papier.<\/p>\n\n\n\n<p>La quantit\u00e9 de charge ajout\u00e9e d\u00e9pend principalement de facteurs tels que le type de papier, le type de p\u00e2te, les propri\u00e9t\u00e9s de la charge elle-m\u00eame et les conditions de fabrication de la machine \u00e0 papier. Afin d&#039;\u00e9conomiser les fibres v\u00e9g\u00e9tales et de r\u00e9duire les co\u00fbts de production, la quantit\u00e9 de charge ajout\u00e9e doit \u00eatre augment\u00e9e de mani\u00e8re appropri\u00e9e, tout en respectant les exigences de fabrication et d&#039;utilisation du papier.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"610\" height=\"797\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Calcium-carbonate-filler-addition-amount.webp\" alt=\"Quantit\u00e9 ajout\u00e9e de charge de carbonate de calcium\" class=\"wp-image-3126\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Calcium-carbonate-filler-addition-amount.webp 610w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Calcium-carbonate-filler-addition-amount-230x300.webp 230w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/04\/Calcium-carbonate-filler-addition-amount-9x12.webp 9w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Modification du carbonate de calcium pour la fabrication du papier<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img 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>Bien que le carbonate de calcium soit l&#039;une des charges cl\u00e9s de l&#039;industrie papeti\u00e8re, le carbonate de calcium non modifi\u00e9 pr\u00e9sente une faible compatibilit\u00e9 et une faible adh\u00e9rence aux fibres de p\u00e2te. Son faible taux de r\u00e9tention peut provoquer des d\u00e9fauts interfaciaux, r\u00e9duisant ainsi la r\u00e9sistance m\u00e9canique du papier. Par cons\u00e9quent, le carbonate de calcium n\u00e9cessite des traitements de modification. Les principales m\u00e9thodes de modification comprennent la modification chimique du couchage et la modification de surface.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Modification du rev\u00eatement chimique<\/h3>\n\n\n\n<p>Dans le syst\u00e8me Ca(OH)\u2082\u2013H\u2082O\u2013CO\u2082, la surface du carbonate de calcium broy\u00e9 (GCC) est modifi\u00e9e. Apr\u00e8s nanorev\u00eatement, les surfaces de clivage cristallin des particules deviennent rugueuses et leurs bords sont passiv\u00e9s. Cela am\u00e9liore les performances de dispersion. Parall\u00e8lement, une attraction \u00e9lectrostatique existe entre le GCC nanorev\u00eatement et les fibres, formant une structure en r\u00e9seau au sein du papier. Cela g\u00e9n\u00e8re de fortes interactions entre les fibres, ce qui am\u00e9liore l&#039;indice de traction, la r\u00e9tention de la charge, l&#039;indice d&#039;\u00e9clatement, l&#039;indice de d\u00e9chirure et la r\u00e9sistance au pliage du papier charg\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/contact\/\">Modification de surface<\/a><\/h3>\n\n\n\n<p>Le nanocarbonate de calcium peut \u00eatre modifi\u00e9 en surface gr\u00e2ce au (KH570). Apr\u00e8s hydrolyse, l&#039;agent de couplage silane KH570 produit des groupes silanol (Si\u2013OH), qui se condensent avec les groupes hydroxyles \u00e0 la surface du nanocarbonate de calcium pour former des liaisons Ca\u2013O\u2013Si stables. Cela permet un greffage chimique efficace. Le nanocarbonate de calcium modifi\u00e9 pr\u00e9sente un espacement intercouche accru dans ses cristaux de surface, une polarit\u00e9 r\u00e9duite, une \u00e9nergie de surface plus faible, une lipophilie accrue et une meilleure dispersibilit\u00e9. Apr\u00e8s couchage, les propri\u00e9t\u00e9s optiques sont am\u00e9lior\u00e9es, la r\u00e9sistance de la surface du papier est accrue et l&#039;hydrophobicit\u00e9 est am\u00e9lior\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Compos\u00e9 de carbonate de calcium<\/h3>\n\n\n\n<p>Gr\u00e2ce aux progr\u00e8s constants des technologies de fabrication du papier et de transformation des poudres, l&#039;exploitation des propri\u00e9t\u00e9s physiques et chimiques compl\u00e9mentaires de diff\u00e9rents min\u00e9raux pour am\u00e9liorer la valeur ajout\u00e9e et la fonctionnalit\u00e9 des produits est devenue une tendance claire. Dans la fabrication du papier, des technologies \u00e9prouv\u00e9es ont \u00e9t\u00e9 d\u00e9velopp\u00e9es pour m\u00e9langer le carbonate de calcium.<br>avec des min\u00e9raux tels que le kaolin, le dioxyde de titane, la pyrophyllite, la dolomite, l&#039;illite, la tr\u00e9molite, le talc et la wollastonite pour produire des produits composites. Si les types et les proportions utilis\u00e9s dans les formulations varient l\u00e9g\u00e8rement, les principes sous-jacents sont globalement similaires.<\/p>\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=\"Broyeur \u00e0 poudre \u00e0 trois rouleaux EPIC pour modification de surface de poudre de carbonate de calcium\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/pKNwlWKqKug?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<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>L&#039;industrie papeti\u00e8re conna\u00eet une forte demande de charges \u00e0 base de carbonate de calcium et b\u00e9n\u00e9ficie d&#039;une forte acceptation du march\u00e9, ce qui en fait un domaine d&#039;application relativement mature. \u00c0 l&#039;avenir, le carbonate de calcium destin\u00e9 \u00e0 la fabrication du papier pourra se concentrer sur le d\u00e9veloppement de produits fonctionnels et de haute puret\u00e9 (tels que des types modifi\u00e9s, des morphologies sp\u00e9ciales et des formes de particules bien contr\u00f4l\u00e9es) afin de percer sur le march\u00e9 moyen et haut de gamme.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Poudre \u00e9pique<\/h2>\n\n\n\n\n\n<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/\">Poudre \u00e9pique,<\/a>&nbsp;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 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\/3125#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\/3125#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 fabrication du papier utilise comme mati\u00e8res premi\u00e8res le bois, le roseau, la bagasse, la paille, la paille de bl\u00e9, les tiges de coton, les tiges de chanvre et le coton. Elle produit de la p\u00e2te \u00e0 papier, puis la transforme en papier et en carton. La fabrication du papier comprend le battage de la p\u00e2te, l&#039;encollage, l&#039;ajout de charges et d&#039;autres traitements. La fabrication d&#039;un papier aux propri\u00e9t\u00e9s vari\u00e9es est un processus complexe. Pourquoi avons-nous besoin de [\u2026]<\/p>","protected":false},"author":1,"featured_media":3129,"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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