{"id":14841,"date":"2024-12-17T08:09:05","date_gmt":"2024-12-17T08:09:05","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=14841"},"modified":"2024-12-17T08:09:10","modified_gmt":"2024-12-17T08:09:10","slug":"thousands-of-dollars-the-eight-nobles-among-calcium-carbonate-products","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/fr\/thousands-of-dollars-the-eight-nobles-among-calcium-carbonate-products\/","title":{"rendered":"Des milliers de dollars, les huit nobles parmi les produits \u00e0 base de carbonate de calcium"},"content":{"rendered":"<p>Ces derni\u00e8res ann\u00e9es, l&#039;industrie du carbonate de calcium a d\u00fb faire face \u00e0 une concurrence interne intense, marqu\u00e9e par une guerre des prix agressive. En cons\u00e9quence, le mod\u00e8le de d\u00e9veloppement des produits \u00e0 base de carbonate de calcium a progressivement \u00e9volu\u00e9 vers des strat\u00e9gies ax\u00e9es sur l&#039;innovation.<\/p>\n\n\n\n<p>Dans le m\u00eame temps, les produits \u00e0 haute valeur ajout\u00e9e pr\u00e9sentent des avantages \u00e9vidents dans la concurrence sur le march\u00e9. Tels que le carbonate de calcium modifi\u00e9, le carbonate de calcium lourd ultrafin (taille des particules \u2264 5 \u03bcm), le carbonate de calcium nano, le carbonate de calcium pour dentifrice, le carbonate de calcium de qualit\u00e9 alimentaire, le carbonate de calcium pour m\u00e9dicaments, le carbonate de calcium pour papier \u00e0 cigarettes et le carbonate de calcium pour membranes respirantes. Ils sont devenus un puissant moteur de la croissance \u00e0 l&#039;\u00e9chelle de l&#039;industrie.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2024\/11\/calcium-carbonate-powder.webp\" alt=\"\" class=\"wp-image-14842\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2024\/11\/calcium-carbonate-powder.webp 800w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2024\/11\/calcium-carbonate-powder-300x225.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2024\/11\/calcium-carbonate-powder-768x576.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2024\/11\/calcium-carbonate-powder-16x12.webp 16w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2024\/11\/calcium-carbonate-powder-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">1. Carbonate de calcium modifi\u00e9<\/h2>\n\n\n\n<p>La modification de surface est un moyen important d&#039;am\u00e9liorer les performances d&#039;application des produits \u00e0 base de carbonate de calcium. Elle am\u00e9liore l&#039;applicabilit\u00e9 et \u00e9largit son march\u00e9 et son dosage. Le carbonate de calcium trait\u00e9 avec des modificateurs de surface (agents de couplage, acide st\u00e9arique, sels inorganiques, etc.) a \u00e9t\u00e9 am\u00e9lior\u00e9 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Dispersion\">dispersion<\/a> et la compatibilit\u00e9, des effets d&#039;utilisation consid\u00e9rablement am\u00e9lior\u00e9s, une bonne exp\u00e9rience utilisateur et des prix de produits naturellement augment\u00e9s.<\/p>\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 ses domaines d&#039;application et son dosage seront soumis \u00e0 certaines restrictions. Gr\u00e2ce \u00e0 la modification de surface, le carbonate de calcium devient un modificateur multifonctionnel. \u00c0 l&#039;avenir, la fonctionnalisation et la sp\u00e9cialisation deviendront la principale tendance dans le d\u00e9veloppement du carbonate de calcium, et la demande du march\u00e9 pour divers carbonates de calcium sp\u00e9ciaux \u00e0 surface modifi\u00e9e augmentera.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Carbonate de calcium lourd ultrafin (taille des particules \u2264 5 \u03bcm)<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.epicmicron.com\/fr\">Ultrafin<\/a> est un moyen important d&#039;am\u00e9liorer la qualit\u00e9 du carbonate de calcium. Par exemple, si la taille des particules de carbonate de calcium atteint 2500 mesh ou 5000 mesh, son application dans les plastiques a fait une perc\u00e9e. Avec l&#039;augmentation de la demande du march\u00e9 en poudre ultrafine et l&#039;am\u00e9lioration des exigences de qualit\u00e9, la proportion de carbonate de calcium lourd ultrafin dans la production totale continue d&#039;augmenter.<\/p>\n\n\n\n<p>Les \u00ab Lignes directrices pour l&#039;ajustement de la structure industrielle (\u00e9dition 2024) \u00bb ont r\u00e9pertori\u00e9 pour la premi\u00e8re fois le carbonate de calcium lourd ultrafin (taille des particules \u2264 5 \u03bcm) comme une cat\u00e9gorie d&#039;encouragement, ce qui a \u00e9galement clarifi\u00e9 l&#039;orientation du d\u00e9veloppement des produits \u00e0 base de carbonate de calcium lourd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Carbonate de calcium nanom\u00e9trique<\/h2>\n\n\n\n<p>La taille des particules du carbonate de calcium nano est comprise entre 1 et 100 nm. Il comprend du carbonate de calcium ultrafin (taille des particules de 20 \u00e0 100 nm) et du carbonate de calcium ultrafin (taille des particules de 1 \u00e0 20 nm).<\/p>\n\n\n\n<p>Les \u00ab Lignes directrices pour l\u2019ajustement de la structure industrielle (\u00e9dition 2024) \u00bb indiquent clairement pour la premi\u00e8re fois que le carbonate de calcium dont la taille des particules est inf\u00e9rieure ou \u00e9gale \u00e0 100 nanom\u00e8tres ne sera plus restreint.<\/p>\n\n\n\n<p>Par rapport au carbonate de calcium ordinaire, le carbonate de calcium nano pr\u00e9sente des avantages \u00e9vidents en termes de renforcement, de dispersibilit\u00e9, de r\u00e9sistance \u00e0 la chaleur et de stabilit\u00e9 dimensionnelle. Nous l&#039;utilisons largement dans le caoutchouc, le plastique, la fabrication de papier, les rev\u00eatements, les encres, les produits d&#039;\u00e9tanch\u00e9it\u00e9, les lubrifiants, le b\u00e9ton, l&#039;alimentation, la m\u00e9decine, la c\u00e9ramique, les batteries au lithium et la protection de l&#039;environnement. Cependant, \u00e0 l&#039;heure actuelle, tr\u00e8s peu de carbonates de calcium nano produits en Chine r\u00e9pondent v\u00e9ritablement \u00e0 la norme nanom\u00e9trique. Les produits contiennent g\u00e9n\u00e9ralement \u00e0 la fois des particules \u00e0 l&#039;\u00e9chelle nanom\u00e9trique et des particules \u00e0 l&#039;\u00e9chelle microm\u00e9trique, et la morphologie cristalline se m\u00e9lange g\u00e9n\u00e9ralement les unes aux autres.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Carbonate de calcium pour dentifrice<\/h2>\n\n\n\n<p>Les abrasifs sont des composants essentiels des formules de dentifrice. Les abrasifs les plus couramment utilis\u00e9s dans les dentifrices comprennent la silice hydrat\u00e9e (dioxyde de silicium), l&#039;hydrog\u00e9nophosphate de calcium, le carbonate de calcium, l&#039;oxyde d&#039;aluminium trihydrat\u00e9, etc.<\/p>\n\n\n\n<p>Les dentifrices contenant du carbonate de calcium comme abrasif repr\u00e9sentent actuellement environ 501 TP3T du volume des ventes de dentifrices en Chine. Nous trouvons le carbonate de calcium bon march\u00e9 et facile \u00e0 obtenir, car les mati\u00e8res premi\u00e8res comme le calcaire ou la calcite sont abondantes. Nous l&#039;utilisons largement dans les dentifrices de milieu et bas de gamme.<\/p>\n\n\n\n<p>Selon les statistiques, la production nationale de carbonate de calcium de qualit\u00e9 dentifrice est \u00e0 peu pr\u00e8s stable \u00e0 100 000 tonnes\/an, dont le carbonate de calcium lourd repr\u00e9sente environ 70% et le carbonate de calcium l\u00e9ger environ 30% ; le volume d&#039;exportation est d&#039;environ 10 000 tonnes\/an, rapportant 30 millions de yuans en devises \u00e9trang\u00e8res.<\/p>\n\n\n\n<p>Compte tenu de la population de mon pays (1,4 milliard d&#039;habitants), la consommation annuelle moyenne de dentifrice par personne est d&#039;environ 4 tubes (400 g) et la demande totale de dentifrice est d&#039;environ 560 000 tonnes par an. Si l&#039;on ajoute l&#039;abrasif 50%, il nous faudra 280 000 tonnes d&#039;abrasif par an. Si l&#039;on consid\u00e8re le dentifrice utilisant du carbonate de calcium comme abrasif, le potentiel de march\u00e9 du carbonate de calcium de qualit\u00e9 dentifrice est d&#039;environ 140 000 tonnes par an.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. Carbonate de calcium de qualit\u00e9 alimentaire<\/h2>\n\n\n\n<p>Dans l&#039;industrie alimentaire, nous pouvons utiliser le carbonate de calcium lourd comme agent alcalin, compl\u00e9ment nutritionnel, r\u00e9gulateur de p\u00e2te, agent de durcissement, nutriment pour levure, agent antiagglom\u00e9rant, agent de rel\u00e2chement, adjuvant de gomme et modificateur, entre autres. Nous pouvons \u00e9galement l&#039;ajouter aux aliments de sant\u00e9 enrichis en calcium, aux bases de gomme, aux agents levants, aux produits \u00e0 base de farine, aux petits d\u00e9jeuners \u00e0 base de c\u00e9r\u00e9ales, aux biscuits, aux produits laitiers, aux capsules molles et \u00e0 d&#039;autres produits. C&#039;est m\u00eame une mati\u00e8re premi\u00e8re de r\u00e9action id\u00e9ale pour le citrate de calcium de qualit\u00e9 pharmaceutique de haute puret\u00e9, le lactate de calcium, le citrate-malate de calcium, le gluconate de calcium et d&#039;autres sels de calcium organiques.<\/p>\n\n\n\n<p>Le carbonate de calcium nanom\u00e9trique d&#039;une surface sp\u00e9cifique de 30 m2\/g peut augmenter la teneur en calcium des boissons lact\u00e9es et inhiber la pr\u00e9cipitation. Le carbonate de calcium nanom\u00e9trique utilis\u00e9 dans les produits \u00e0 base de sauce aux fruits de mer peut donner de la texture \u00e0 la sauce aux fruits de mer, augmenter la force de la sauce, obtenir un go\u00fbt doux et prolonger la dur\u00e9e de conservation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Carbonate de calcium pour la m\u00e9decine<\/h2>\n\n\n\n<p>Le carbonate de calcium est souvent utilis\u00e9 comme agent de remplissage pour certains m\u00e9dicaments (tels que les comprim\u00e9s). En profitant de son effet antiacide, il peut neutraliser une partie de l&#039;acide gastrique apr\u00e8s l&#039;avoir pris pour maintenir la stabilit\u00e9 du m\u00e9dicament. Nous l&#039;utilisons \u00e9galement souvent comme adsorbant pour les m\u00e9dicaments \u00e0 base d&#039;huile, et sa capacit\u00e9 d&#039;adsorption est l\u00e9g\u00e8rement inf\u00e9rieure \u00e0 celle du phosphate de calcium. En tant qu&#039;ingr\u00e9dient actif m\u00e9dicinal, il peut \u00eatre largement utilis\u00e9 dans les comprim\u00e9s de suppl\u00e9ments de calcium ou transform\u00e9 en comprim\u00e9s de calcium \u00e0 haute densit\u00e9. Nous pouvons \u00e9galement l&#039;utiliser comme agent de remplissage pour les pr\u00e9parations de comprim\u00e9s afin d&#039;augmenter la teneur nutritionnelle des comprim\u00e9s de compl\u00e9ments nutritionnels. Apr\u00e8s la granulation du carbonate de calcium, nous trouvons qu&#039;il est plus pratique pour l&#039;emboutissage et la formation de pr\u00e9parations de suppl\u00e9ments de calcium.<\/p>\n\n\n\n<p>Le carbonate de calcium de qualit\u00e9 pharmaceutique est g\u00e9n\u00e9ralement extrait du marbre naturel, du calcaire, etc. ou pr\u00e9par\u00e9 par des m\u00e9thodes chimiques. Il s&#039;agit d&#039;une poudre cristalline blanche et extr\u00eamement fine. Le produit en capsule molle de calcium liquide de By-Health Co., Ltd. est une suspension de particules de carbonate de calcium ultrafines sp\u00e9cialement trait\u00e9es. Il utilise du carbonate de calcium lourd de 300 mesh avec une quantit\u00e9 ajout\u00e9e de 63,5%.<\/p>\n\n\n\n<p>De plus, le carbonate de calcium nano pr\u00e9sente une bonne biocompatibilit\u00e9 et biod\u00e9gradabilit\u00e9 tout en pr\u00e9sentant les caract\u00e9ristiques de polymorphisme, d&#039;effet de surface et d&#039;effet de petite taille, ce qui lui conf\u00e8re un grand potentiel d&#039;application dans l&#039;administration de m\u00e9dicaments, la r\u00e9paration des tissus et la biod\u00e9tection.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. Carbonate de calcium pour papier \u00e0 cigarette<\/h2>\n\n\n\n<p>Le carbonate de calcium est l&#039;une des mati\u00e8res premi\u00e8res les plus importantes pour la production de papier \u00e0 cigarette. Il repr\u00e9sente 40 \u00e0 50 % du poids du papier \u00e0 cigarette. Sa teneur dans le papier fini est de 25 \u00e0 30 %, ce qui signifie qu&#039;un tiers du papier \u00e0 cigarette est compos\u00e9 de carbonate de calcium.<\/p>\n\n\n\n<p>Actuellement, les fabricants de papier \u00e0 cigarettes nationaux et \u00e9trangers utilisent g\u00e9n\u00e9ralement du carbonate de calcium l\u00e9ger comme additif. L&#039;utilisation de carbonate de calcium l\u00e9ger avec une forme cristalline en forme de chrysanth\u00e8me combin\u00e9e \u00e0 des monocristaux en forme de fuseau pour produire du papier \u00e0 cigarettes pr\u00e9sente des avantages que les autres formes cristallines ne peuvent \u00e9galer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. Carbonate de calcium pour film respirant<\/h2>\n\n\n\n<p>Nous fabriquons le film respirant en ajoutant environ 50% de carbonate de calcium sp\u00e9cial \u00e0 des supports PE ou PP pour le m\u00e9lange, puis nous effectuons un \u00e9tirement directionnel \u00e0 un certain rapport apr\u00e8s l&#039;extrusion du film. Nous utilisons largement ce film dans l&#039;emballage de produits m\u00e9dicaux et sanitaires (tels que les films m\u00e9dicinaux, les blouses chirurgicales, les gants m\u00e9dicaux, les serviettes hygi\u00e9niques pour femmes, les couches pour b\u00e9b\u00e9s, les draps jetables et autres consommables m\u00e9dicaux cliniques), les emballages alimentaires (tels que les films \u00e9tirables, les films composites et les sacs d&#039;emballage d&#039;aliments cuits) et les produits quotidiens (tels que les intercalaires pour v\u00eatements chauds, les imperm\u00e9ables l\u00e9gers jetables), entre autres domaines.<\/p>\n\n\n\n<p>4o<\/p>\n\n\n\n<p>Il existe deux facteurs cl\u00e9s dans la production de membranes respirantes : le carbonate de calcium et l&#039;\u00e9lasticit\u00e9. Les indicateurs de performance du carbonate de calcium affectent directement la capacit\u00e9 de traitement des membranes respirantes (comme le temps de cok\u00e9faction, la stabilit\u00e9 \u00e0 l&#039;extrusion, la fabricabilit\u00e9 des mat\u00e9riaux \u00e0 membrane mince et les d\u00e9fauts de piq\u00fbre, etc.) et les propri\u00e9t\u00e9s physiques (comme la perm\u00e9abilit\u00e9 \u00e0 l&#039;air, la r\u00e9sistance \u00e0 la pression de l&#039;eau, la stabilit\u00e9 thermique et les propri\u00e9t\u00e9s m\u00e9caniques, etc.). La production de mat\u00e9riaux sp\u00e9ciaux pour membranes respirantes utilise principalement du carbonate de calcium lourd actif activ\u00e9 par l&#039;acide st\u00e9arique, dont le prix de vente est sup\u00e9rieur \u00e0 2 000 yuans\/tonne.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Ces derni\u00e8res ann\u00e9es, l\u2019industrie du carbonate de calcium a \u00e9t\u00e9 confront\u00e9e \u00e0 une concurrence interne intense, marqu\u00e9e par une guerre des prix agressive. En cons\u00e9quence, le mod\u00e8le de d\u00e9veloppement des produits \u00e0 base de carbonate de calcium a progressivement \u00e9volu\u00e9 vers [\u2026]<\/p>","protected":false},"author":2,"featured_media":14842,"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":"","ast-disable-related-posts":"","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":"","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":""},"tablet":{"background-color":"","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":"","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":""}},"ast-content-background-meta":{"desktop":{"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":""},"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":[42],"tags":[],"class_list":["post-14841","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - 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