{"id":14002,"date":"2023-09-14T06:31:48","date_gmt":"2023-09-14T06:31:48","guid":{"rendered":"https:\/\/www.ball-mill-classifiers.com\/?p=14002"},"modified":"2023-09-14T06:31:50","modified_gmt":"2023-09-14T06:31:50","slug":"is-light-calcium-or-heavy-calcium-chosen-as-filler-in-the-plastic-industry","status":"publish","type":"post","link":"https:\/\/www.ball-mill-classifiers.com\/pt\/is-light-calcium-or-heavy-calcium-chosen-as-filler-in-the-plastic-industry\/","title":{"rendered":"O c\u00e1lcio leve ou o c\u00e1lcio pesado s\u00e3o escolhidos como enchimento na ind\u00fastria de pl\u00e1sticos?"},"content":{"rendered":"

O carbonato de c\u00e1lcio ocupa uma posi\u00e7\u00e3o inabal\u00e1vel em materiais de enchimento e modifica\u00e7\u00e3o de pl\u00e1stico. O carbonato de c\u00e1lcio \u00e9 ainda dividido em carbonato de c\u00e1lcio leve e carbonato de c\u00e1lcio pesado. Ent\u00e3o, em produtos pl\u00e1sticos, devemos escolher c\u00e1lcio leve ou c\u00e1lcio pesado? O editor discutir\u00e1 esse assunto com todos.<\/p>\n\n\n\n

Diferen\u00e7as conceituais<\/h2>\n\n\n\n

O c\u00e1lcio pesado \u00e9 formado pela tritura\u00e7\u00e3o mec\u00e2nica e classifica\u00e7\u00e3o dos min\u00e9rios, enquanto o c\u00e1lcio leve \u00e9 formado pela calcina\u00e7\u00e3o, digest\u00e3o e recarbonata\u00e7\u00e3o dos min\u00e9rios. A verdadeira densidade do c\u00e1lcio pesado \u00e9 2,6-2,9g\/cm3, enquanto a do c\u00e1lcio leve \u00e9 2,4-2,6g\/cm3.<\/p>\n\n\n\n

O uso de c\u00e1lcio pesado e leve em produtos pl\u00e1sticos \u00e9 semelhante ao dos produtos de borracha. Alguns fabricantes relataram que o uso de c\u00e1lcio pesado de malha 400 em vez de c\u00e1lcio leve nas mesmas condi\u00e7\u00f5es tem uma vantagem clara para produtos vendidos por peso, mas se os produtos s\u00e3o vendidos por comprimento, \u00e1rea ou quantidade, o c\u00e1lcio pesado n\u00e3o tem vantagem sobre o c\u00e1lcio leve. c\u00e1lcio.<\/p>\n\n\n\n

Por exemplo, para tubos do mesmo peso, se a quantidade de enchimento for a mesma, o comprimento do produto resultante ser\u00e1 diferente. O enchimento com c\u00e1lcio pesado \u00e9 alguns mil\u00e9simos mais curto do que o enchimento com c\u00e1lcio leve, que se acumula bastante. Para couro artificial ou couro sint\u00e9tico medido por \u00e1rea, a diferen\u00e7a de \u00e1rea tamb\u00e9m pode ser sentida, de modo que as f\u00e1bricas de processamento de produtos pl\u00e1sticos n\u00e3o desistem facilmente do uso de c\u00e1lcio leve.<\/p>\n\n\n\n

Diferen\u00e7as nos efeitos do aplicativo<\/h2>\n\n\n\n

O uso de c\u00e1lcio pesado e leve em produtos pl\u00e1sticos \u00e9 semelhante ao dos produtos de borracha. Alguns fabricantes relataram que o uso de c\u00e1lcio pesado de malha 400 em vez de c\u00e1lcio leve nas mesmas condi\u00e7\u00f5es tem uma vantagem clara para produtos vendidos por peso, mas se os produtos s\u00e3o vendidos por comprimento, \u00e1rea ou quantidade, o c\u00e1lcio pesado n\u00e3o tem vantagem sobre o c\u00e1lcio leve. c\u00e1lcio.<\/p>\n\n\n\n

O uso de c\u00e1lcio pesado e leve em produtos pl\u00e1sticos \u00e9 semelhante ao dos produtos de borracha. Alguns fabricantes relataram que o uso de c\u00e1lcio pesado de malha 400 em vez de c\u00e1lcio leve nas mesmas condi\u00e7\u00f5es tem uma vantagem clara para produtos vendidos por peso, mas se os produtos s\u00e3o vendidos por comprimento, \u00e1rea ou quantidade, o c\u00e1lcio pesado n\u00e3o tem vantagem sobre o c\u00e1lcio leve. c\u00e1lcio.<\/p>\n\n\n\n

Voc\u00ea usa c\u00e1lcio pesado ou c\u00e1lcio leve? N\u00e3o pode ser generalizado<\/h2>\n\n\n\n

Do ponto de vista acad\u00eamico, existem muitas diferen\u00e7as entre o c\u00e1lcio pesado e o c\u00e1lcio leve, manifestadas principalmente em diferentes cristais, \u00e1reas de superf\u00edcie e valores de absor\u00e7\u00e3o de \u00f3leo. A forma como o c\u00e1lcio pesado ou leve existe na matriz pl\u00e1stica, bem como o estado de interface entre essas part\u00edculas e as macromol\u00e9culas da resina, afetam diretamente a fun\u00e7\u00e3o mec\u00e2nica do material.<\/p>\n\n\n\n

A utiliza\u00e7\u00e3o de c\u00e1lcio pesado ou c\u00e1lcio leve em produtos pl\u00e1sticos n\u00e3o pode ser generalizada. Ao escolher, deve-se aproveitar plenamente as respectivas vantagens e considerar de forma abrangente os factores t\u00e9cnicos e econ\u00f3micos.<\/p>\n\n\n\n

Por exemplo, a produ\u00e7\u00e3o de couro artificial de cloreto de polivinila pode ser dividida em m\u00e9todo de raspagem de revestimento, m\u00e9todo de lamina\u00e7\u00e3o e m\u00e9todo de extrus\u00e3o de acordo com o processo de fabrica\u00e7\u00e3o. No entanto, o m\u00e9todo de revestimento por raspagem utiliza resina em pasta de cloreto de polivinila e requer a adi\u00e7\u00e3o de uma grande quantidade de plastificante. O valor de absor\u00e7\u00e3o de \u00f3leo do c\u00e1lcio leve \u00e9 4-5 vezes maior do que o do c\u00e1lcio pesado, portanto, o uso do c\u00e1lcio leve requer mais plastificantes para obter a mesma flexibilidade. Se a quantidade de plastificante utilizado puder ser reduzida, o uso de c\u00e1lcio pesado pode ser economicamente mais econ\u00f4mico.<\/p>\n\n\n\n

Por exemplo, em produtos esticados unidirecionais, como sacos de polipropileno, tecidos e correias de embalagem, n\u00e3o houve diferen\u00e7a significativa no comprimento quando se utilizou c\u00e1lcio pesado e c\u00e1lcio leve como enchimentos. Ap\u00f3s pesquisa, descobriu-se que as part\u00edculas de enchimento estavam localizadas principalmente nas lacunas entre as macromol\u00e9culas esticadas. Ap\u00f3s v\u00e1rios tempos de alongamento e resfriamento r\u00e1pido, a morfologia das macromol\u00e9culas foi rapidamente congelada, enquanto a verdadeira densidade do c\u00e1lcio leve e do c\u00e1lcio pesado era quase a mesma, de modo que o impacto no comprimento final do produto n\u00e3o foi significativo. Por outro lado, o c\u00e1lcio pesado possui melhor fluidez de processamento e um pre\u00e7o muito inferior ao c\u00e1lcio leve, por isso ocupa uma posi\u00e7\u00e3o dominante neste produto de alongamento unidirecional.<\/p>\n\n\n\n

Al\u00e9m disso, a tecnologia de moldagem e processamento de perfis de portas e janelas de pl\u00e1stico na China foi introduzida no exterior. Junto com a introdu\u00e7\u00e3o das linhas de produ\u00e7\u00e3o, tamb\u00e9m foi introduzida a f\u00f3rmula do produto, com enchimento de c\u00e1lcio leve e dosagem de 8-10 Phr. Ressalta-se que a f\u00f3rmula fornecida por pa\u00edses estrangeiros \u00e9 cient\u00edfica, e o objetivo da adi\u00e7\u00e3o de carbonato de c\u00e1lcio \u00e9 melhorar o desempenho geral do material do perfil, ao inv\u00e9s de utilizar mat\u00e9rias-primas baratas para reduzir custos. A substitui\u00e7\u00e3o do c\u00e1lcio leve por c\u00e1lcio pesado enfrenta inevitavelmente v\u00e1rios problemas:<\/p>\n\n\n\n

\u2460 Qual faixa de tamanho de part\u00edcula de c\u00e1lcio pesado \u00e9 usada para substituir o c\u00e1lcio leve usado?<\/p>\n\n\n\n

\u2461 As propriedades do material do perfil n\u00e3o podem mudar significativamente ap\u00f3s uma substitui\u00e7\u00e3o igual? Existe algum impacto na apar\u00eancia do produto?<\/p>\n\n\n\n

\u2462 Os equipamentos de processamento, moldes de cabe\u00e7ote e condi\u00e7\u00f5es de processo devem ser ajustados adequadamente ap\u00f3s substitui\u00e7\u00e3o igual?<\/p>\n\n\n\n

\u2463 Ap\u00f3s substitui\u00e7\u00e3o igual, a resist\u00eancia ao fluxo do material (refletida na varia\u00e7\u00e3o do torque do parafuso) pode ser reduzida devido ao bom desempenho de processamento do c\u00e1lcio pesado, economizando assim o consumo de energia ou aumentando a velocidade de produ\u00e7\u00e3o?<\/p>\n\n\n\n

\u2464 \u00c9 rent\u00e1vel comparar ganhos e perdas?<\/p>\n\n\n\n

A produ\u00e7\u00e3o de perfis pl\u00e1sticos est\u00e1 gradualmente avan\u00e7ando para a produ\u00e7\u00e3o em larga escala e em massa. A substitui\u00e7\u00e3o e substitui\u00e7\u00e3o de mat\u00e9rias-primas est\u00e3o relacionadas \u00e0 qualidade e estabilidade de um grande n\u00famero de produtos, portanto, as f\u00e1bricas de processamento de produtos pl\u00e1sticos n\u00e3o substituir\u00e3o facilmente um determinado componente da f\u00f3rmula.<\/p>\n\n\n\n

\"ball<\/a>
classificador de moinho de bolas<\/figcaption><\/figure>\n\n\n\n

Como o carbonato de c\u00e1lcio pode ser melhor aplicado \u00e0 ind\u00fastria de pl\u00e1sticos?<\/h2>\n\n\n\n

O carbonato de c\u00e1lcio tornou-se uma das mat\u00e9rias-primas indispens\u00e1veis e importantes na ind\u00fastria pl\u00e1stica. O r\u00e1pido desenvolvimento da ind\u00fastria de carbonato de c\u00e1lcio fornece condi\u00e7\u00f5es materiais para a ind\u00fastria de pl\u00e1stico escolher e explorar. Sua boa aplica\u00e7\u00e3o em materiais pl\u00e1sticos tamb\u00e9m orientou o desenvolvimento da ind\u00fastria de carbonato de c\u00e1lcio.<\/p>\n\n\n\n

Aqui, esperamos que empresas poderosas na ind\u00fastria de carbonato de c\u00e1lcio n\u00e3o apenas precisem fabricar bons produtos de carbonato de c\u00e1lcio, mas tamb\u00e9m desenvolvam novos materiais e produtos pl\u00e1sticos usando carbonato de c\u00e1lcio como principal mat\u00e9ria-prima, em vez de simplesmente produzir um determinado produto, que deve ser utilizado pela ind\u00fastria do pl\u00e1stico.<\/p>\n\n\n\n

Al\u00e9m disso, deve-se dizer que existem especialistas e talentos t\u00e9cnicos na ind\u00fastria do pl\u00e1stico na \u00e1rea de modifica\u00e7\u00e3o de enchimentos. No entanto, para muitas empresas de pl\u00e1stico, ainda h\u00e1 muitas que n\u00e3o possuem conhecimento espec\u00edfico sobre o uso e modifica\u00e7\u00e3o de enchimentos. Se n\u00f3s, da ind\u00fastria de carbonato de c\u00e1lcio, entendermos como usar nossos produtos em produtos de processamento de pl\u00e1stico e desenvolvermos produtos processados profundamente com carbonato de c\u00e1lcio como principal mat\u00e9ria-prima, poderemos vender carbonato de c\u00e1lcio enquanto exportamos a tecnologia de aplica\u00e7\u00e3o de carbonato de c\u00e1lcio, produtos de carbonato de c\u00e1lcio da China ter\u00e1 perspectivas de aplica\u00e7\u00e3o mais amplas.<\/p>","protected":false},"excerpt":{"rendered":"

O carbonato de c\u00e1lcio mant\u00e9m uma posi\u00e7\u00e3o inabal\u00e1vel em materiais de enchimento e modifica\u00e7\u00e3o de pl\u00e1stico. O carbonato de c\u00e1lcio \u00e9 dividido em carbonato de c\u00e1lcio leve e carbonato de c\u00e1lcio pesado. Ent\u00e3o, em produtos pl\u00e1sticos, deve [\u2026]<\/p>","protected":false},"author":1,"featured_media":14003,"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":"default","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":[54],"class_list":["post-14002","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-calcium-carbonate"],"yoast_head":"\nIs light calcium or heavy calcium chosen as filler in the plastic industry? - Ball Mill Classifier Production Line Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ball-mill-classifiers.com\/pt\/is-light-calcium-or-heavy-calcium-chosen-as-filler-in-the-plastic-industry\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Is light calcium or heavy calcium chosen as filler in the plastic industry?\" \/>\n<meta property=\"og:description\" content=\"Calcium carbonate holds an unshakable position in plastic filling and modification materials. 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