{"id":3092,"date":"2025-04-15T13:26:13","date_gmt":"2025-04-15T05:26:13","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3092"},"modified":"2025-06-04T11:50:49","modified_gmt":"2025-06-04T03:50:49","slug":"calcium-carbonate-powder-surface-modification-technology-and-additive-selection","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/pt\/calcium-carbonate-powder-surface-modification-technology-and-additive-selection\/","title":{"rendered":"Tecnologia de modifica\u00e7\u00e3o de superf\u00edcie de p\u00f3 de carbonato de c\u00e1lcio e sele\u00e7\u00e3o de aditivos"},"content":{"rendered":"<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/ultrafine-powder-dry-grinding\/\">P\u00f3 de carbonato de c\u00e1lcio<\/a> superf\u00edcie<a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/surface-modification\/\"> modifica\u00e7\u00e3o<\/a> Altera a superf\u00edcie ou a interface por meio de m\u00e9todos f\u00edsicos, qu\u00edmicos ou mec\u00e2nicos. Altera intencionalmente as propriedades f\u00edsicas e qu\u00edmicas da superf\u00edcie do p\u00f3. Estas incluem energia de superf\u00edcie, molhabilidade, propriedades el\u00e9tricas, adsor\u00e7\u00e3o e reatividade. Tamb\u00e9m afeta a estrutura da superf\u00edcie e os grupos funcionais. Isso atende \u00e0s necessidades de materiais, processos e tecnologias modernos.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2024\/04\/calcium-carbonate-powder.webp\" alt=\"p\u00f3 de carbonato de c\u00e1lcio\" class=\"wp-image-2530\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2024\/04\/calcium-carbonate-powder.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2024\/04\/calcium-carbonate-powder-300x225.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2024\/04\/calcium-carbonate-powder-768x576.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">p\u00f3 de carbonato de c\u00e1lcio<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">O papel da modifica\u00e7\u00e3o da superf\u00edcie do p\u00f3 de carbonato de c\u00e1lcio<\/h2>\n\n\n\n<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/astra-portfolio\/grinding-and-classifying-system-for-the-production-of-calcium-carbonate\/\">Carbonato de c\u00e1lcio<\/a> As part\u00edculas possuem alta energia de superf\u00edcie e forte hidrofilicidade. Dispersam-se mal em pol\u00edmeros org\u00e2nicos. A aglomera\u00e7\u00e3o ocorre frequentemente, afetando o desempenho do produto. Portanto, o tratamento de superf\u00edcie com carbonato de c\u00e1lcio \u00e9 necess\u00e1rio.<\/p>\n\n\n\n<p>O carbonato de c\u00e1lcio modificado superficialmente reduz a energia superficial e melhora a molhabilidade. Ele melhora a dispers\u00e3o e previne a aglomera\u00e7\u00e3o em materiais polim\u00e9ricos. Por exemplo, o carbonato de c\u00e1lcio pesado modificado anfif\u00edlico apresenta baixa absor\u00e7\u00e3o de \u00f3leo. Apresenta boa compatibilidade com sistemas de materiais org\u00e2nicos. Facilita a dispers\u00e3o no processamento e melhora as propriedades f\u00edsico-mec\u00e2nicas. No processamento de pl\u00e1sticos macios, aumenta o teor de plastificante livre. Isso reduz relativamente o uso de plastificante e reduz os custos do produto.<\/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=\"\u00c1reas de aplica\u00e7\u00e3o\" 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\">Processo de modifica\u00e7\u00e3o da superf\u00edcie do p\u00f3 de carbonato de c\u00e1lcio<\/h2>\n\n\n\n<p>De acordo com os diferentes processos, a modifica\u00e7\u00e3o pode ser feita por via seca, \u00famida ou in situ. Cada m\u00e9todo produz produtos com diferentes propriedades e aplica\u00e7\u00f5es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Modifica\u00e7\u00e3o a seco<\/h3>\n\n\n\n<p>A modifica\u00e7\u00e3o a seco \u00e9 um processo f\u00edsico. Carbonato de c\u00e1lcio e surfactante s\u00e3o misturados em um modificador em alta velocidade. O modificador se fixa \u00e0 superf\u00edcie por meio de for\u00e7as de van der Waals ou f\u00edsicas. Uma camada hidrof\u00f3bica se forma na superf\u00edcie do carbonato de c\u00e1lcio. O produto final \u00e9 o carbonato de c\u00e1lcio modificado na superf\u00edcie.<\/p>\n\n\n\n<p>O processo de modifica\u00e7\u00e3o a seco \u00e9 simples e f\u00e1cil de operar. \u00c9 adequado para o uso de agentes de acoplamento como modificadores. No entanto, apresenta baixa efici\u00eancia de modifica\u00e7\u00e3o e alta intensidade de trabalho. Al\u00e9m disso, causa polui\u00e7\u00e3o grave. A modifica\u00e7\u00e3o a seco n\u00e3o \u00e9 adequada para produ\u00e7\u00e3o em larga escala. \u00c9 usada principalmente para pesquisas em pequena escala ou em laborat\u00f3rio. Atualmente, a modifica\u00e7\u00e3o a seco raramente \u00e9 usada na China para carbonato de c\u00e1lcio.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Modifica\u00e7\u00e3o \u00famida<\/h3>\n\n\n\n<p>Na modifica\u00e7\u00e3o \u00famida, o surfactante \u00e9 adicionado \u00e0 pasta de carbonato de c\u00e1lcio. O modificador entra em contato com a superf\u00edcie sob agita\u00e7\u00e3o. Ap\u00f3s o tratamento de superf\u00edcie e a secagem, obt\u00e9m-se o carbonato de c\u00e1lcio modificado.<br>Em compara\u00e7\u00e3o com o m\u00e9todo seco, os modificadores na modifica\u00e7\u00e3o \u00famida se dispersam como \u00edons na suspens\u00e3o. Isso aumenta o contato com a superf\u00edcie e melhora a efici\u00eancia da modifica\u00e7\u00e3o. No entanto, o processo \u00famido \u00e9 mais complexo. Muitos fatores afetam o desempenho do produto. O m\u00e9todo de prepara\u00e7\u00e3o ainda precisa ser aprimorado.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Modifica\u00e7\u00e3o in situ<\/h3>\n\n\n\n<p>A modifica\u00e7\u00e3o in situ combina a prepara\u00e7\u00e3o e a modifica\u00e7\u00e3o do carbonato de c\u00e1lcio em uma \u00fanica etapa. Os surfactantes s\u00e3o adicionados antes do in\u00edcio da precipita\u00e7\u00e3o. Com o passar do tempo, a prepara\u00e7\u00e3o e a modifica\u00e7\u00e3o ocorrem simultaneamente. Os surfactantes se ligam bem \u00e0s superf\u00edcies das part\u00edculas durante esse processo. Eles tamb\u00e9m regulam a nuclea\u00e7\u00e3o e o crescimento do carbonato de c\u00e1lcio. Isso ajuda a controlar o tamanho das part\u00edculas de forma eficaz.<br>A modifica\u00e7\u00e3o in situ \u00e9 uma vers\u00e3o otimizada da modifica\u00e7\u00e3o \u00famida. Ela sincroniza a prepara\u00e7\u00e3o e o tratamento de superf\u00edcie. Comparada \u00e0 modifica\u00e7\u00e3o \u00famida, ela encurta o ciclo de produ\u00e7\u00e3o. Ajustando o tempo do modificador, diversos produtos de carbonato de c\u00e1lcio podem ser produzidos.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"700\" height=\"525\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/ball-milling-classifier-product-line.webp\" alt=\"linha de produtos classificadores de moagem de bolas\" class=\"wp-image-3018\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/ball-milling-classifier-product-line.webp 700w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/ball-milling-classifier-product-line-300x225.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/03\/ball-milling-classifier-product-line-16x12.webp 16w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Modificador de superf\u00edcie de carbonato de c\u00e1lcio<\/h2>\n\n\n\n<p>O p\u00f3 de carbonato de c\u00e1lcio, como um vers\u00e1til &quot;material multiuso&quot;, possui uma ampla gama de aplica\u00e7\u00f5es de modifica\u00e7\u00e3o de superf\u00edcie. Muitas subst\u00e2ncias podem ser usadas como modificadores de superf\u00edcie. Os tipos de modificadores variam dependendo da aplica\u00e7\u00e3o do produto.<br>Os modificadores comuns incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c9steres de poliol \u00e0 base de amina<\/li>\n\n\n\n<li>Surfactantes n\u00e3o i\u00f4nicos<\/li>\n\n\n\n<li>Compostos \u00e0 base de s\u00edlica<\/li>\n\n\n\n<li>Compostos \u00e0 base de tit\u00e2nio<\/li>\n\n\n\n<li>Compostos \u00e0 base de amina<\/li>\n\n\n\n<li>Compostos \u00e0 base de f\u00f3sforo<\/li>\n\n\n\n<li>Compostos de alum\u00ednio e zirc\u00f4nio-alum\u00ednio<br>Esses modificadores s\u00e3o usados principalmente no processamento de pl\u00e1sticos, borracha, adesivos, compostos termofixos e termopl\u00e1sticos, bem como tintas e tintas.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Sele\u00e7\u00e3o de equipamentos para processamento de carbonato de c\u00e1lcio<\/h2>\n\n\n\n<p>A sele\u00e7\u00e3o do equipamento de processamento de carbonato de c\u00e1lcio depende de fatores como requisitos de tamanho de part\u00edcula, capacidade de produ\u00e7\u00e3o e necessidades de aplica\u00e7\u00e3o. Equipamentos comuns incluem moinhos de bolas, moinhos Raymond e moinhos ultrafinos para a produ\u00e7\u00e3o de p\u00f3s finos e ultrafinos. M\u00e1quinas de modifica\u00e7\u00e3o de superf\u00edcie tamb\u00e9m podem ser necess\u00e1rias para produtos funcionalizados, como m\u00e1quinas de revestimento de tr\u00eas rolos, m\u00e1quinas de revestimento por moinho de pinos, m\u00e1quinas de revestimento turbo e m\u00e1quinas de revestimento por moinho de c\u00e9lulas. A efici\u00eancia energ\u00e9tica, o n\u00edvel de automa\u00e7\u00e3o e a rela\u00e7\u00e3o custo-benef\u00edcio devem ser considerados na escolha do maquin\u00e1rio adequado.<\/p>\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=\"M\u00e1quina de revestimento\" 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<h2 class=\"wp-block-heading\">P\u00f3 \u00e9pico <\/h2>\n\n\n\n<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/contact\/\">P\u00f3 \u00e9pico<\/a>Mais de 20 anos de experi\u00eancia na ind\u00fastria de p\u00f3s ultrafinos. Promovemos ativamente o desenvolvimento futuro de p\u00f3s ultrafinos, com foco nos processos de britagem, moagem, classifica\u00e7\u00e3o e modifica\u00e7\u00e3o de p\u00f3s ultrafinos. Entre em contato conosco para uma consulta gratuita e solu\u00e7\u00f5es personalizadas! Nossa equipe de especialistas se dedica a fornecer produtos e servi\u00e7os de alta qualidade para maximizar o valor do seu processamento de p\u00f3s. Epic Powder \u2014 Seu especialista confi\u00e1vel em processamento de p\u00f3s!<\/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=\"\/pt\/wp-json\/wp\/v2\/posts\/3092#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/pt\/wp-json\/wp\/v2\/posts\/3092#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=\"Seu nome*\" 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=\"Seu 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=\"Seu 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=\"Sua empresa\" 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=\"Sua mensagem\" 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=\"Enviar\" \/>\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=\"pt\"\/><\/form>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>A modifica\u00e7\u00e3o da superf\u00edcie do p\u00f3 de carbonato de c\u00e1lcio altera a superf\u00edcie ou a interface por meio de m\u00e9todos f\u00edsicos, qu\u00edmicos ou mec\u00e2nicos. Ela altera intencionalmente as propriedades f\u00edsicas e qu\u00edmicas da superf\u00edcie do p\u00f3. Estas incluem energia de superf\u00edcie, molhabilidade, propriedades el\u00e9tricas, adsor\u00e7\u00e3o e reatividade. Tamb\u00e9m afeta a estrutura da superf\u00edcie e os grupos funcionais. Isso atende \u00e0s necessidades de materiais, processos e tecnologias modernos. O papel [\u2026]<\/p>","protected":false},"author":1,"featured_media":3096,"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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