{"id":5437,"date":"2022-08-06T13:06:15","date_gmt":"2022-08-06T13:06:15","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5437"},"modified":"2026-04-28T10:42:05","modified_gmt":"2026-04-28T10:42:05","slug":"surfactants-applications-in-coatings","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/surfactants-applications-in-coatings\/","title":{"rendered":"O papel dos surfactantes e suas diversas aplica\u00e7\u00f5es em revestimentos"},"content":{"rendered":"<h1><strong>O papel dos surfactantes e suas diversas aplica\u00e7\u00f5es em revestimentos<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Resposta r\u00e1pida:<\/strong> Na pr\u00e1tica de formula\u00e7\u00f5es UV, a sele\u00e7\u00e3o de resinas e mon\u00f4meros come\u00e7a com a propriedade de uso final desejada, ajustando-se a viscosidade e a resposta de cura em torno desse objetivo. Os compradores geralmente selecionam alguns pacotes compat\u00edveis, e n\u00e3o uma \u00fanica mat\u00e9ria-prima milagrosa.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>A aplica\u00e7\u00e3o de surfactantes em revestimentos \u00e9 um aditivo, que \u00e9 um componente indispens\u00e1vel na produ\u00e7\u00e3o de revestimentos. Ele pode melhorar o processo de produ\u00e7\u00e3o do revestimento, as condi\u00e7\u00f5es de constru\u00e7\u00e3o e a qualidade do produto, o que, por sua vez, pode reduzir os custos e melhorar a efici\u00eancia econ\u00f4mica. O revestimento \u00e9 um sistema de dispers\u00e3o coloidal, que consiste em uma fase cont\u00ednua e uma fase dispersa. A fase cont\u00ednua \u00e9 o solvente, o pol\u00edmero ou a solu\u00e7\u00e3o de pol\u00edmero, o pol\u00edmero \u00e9 do tipo solu\u00e7\u00e3o, do tipo part\u00edcula, como emuls\u00e3o ou s\u00f3lido; a fase dispersa \u00e9 a cor, o enchimento. A partir da classifica\u00e7\u00e3o dos coloides, os revestimentos s\u00e3o coloides dispersos com cin\u00e9tica coloidal, propriedades el\u00e9tricas etc. Portanto, ele tem uma conex\u00e3o ampla e estreita com a qu\u00edmica de coloides de superf\u00edcie. O princ\u00edpio de emulsifica\u00e7\u00e3o, o princ\u00edpio de dispers\u00e3o, o princ\u00edpio de forma\u00e7\u00e3o e remo\u00e7\u00e3o de espuma e o princ\u00edpio de reologia da qu\u00edmica de superf\u00edcie tamb\u00e9m desempenham um papel de orienta\u00e7\u00e3o muito importante para os revestimentos e fornecem a base te\u00f3rica para a aplica\u00e7\u00e3o de surfactantes no setor de revestimentos. As fun\u00e7\u00f5es de aplica\u00e7\u00e3o de surfactantes em revestimentos s\u00e3o as seguintes, respectivamente.<\/p>\n<p>I. Agente umectante e dispersante.<\/p>\n<p>O processo de moagem e dispers\u00e3o de pigmentos \u00e9 o principal processo de fabrica\u00e7\u00e3o de revestimentos, e cerca de 80% de energia el\u00e9trica e horas-homem s\u00e3o consumidos nesse processo. O processo de dispers\u00e3o do pigmento no material de base pode ser dividido em tr\u00eas est\u00e1gios, a saber, umedecimento, dispers\u00e3o e estabiliza\u00e7\u00e3o. Esses tr\u00eas est\u00e1gios n\u00e3o s\u00e3o separados, mas se sobrep\u00f5em uns aos outros. O agente umectante pode promover a umecta\u00e7\u00e3o dos agregados de pigmento pelo material de base, e o dispersante pode melhorar a estabilidade da dispers\u00e3o do pigmento. Portanto, a fun\u00e7\u00e3o do agente umectante e dispersante \u00e9 insubstitu\u00edvel. A fun\u00e7\u00e3o do agente umectante e dispersante de pigmentos \u00e9 mostrada em.<\/p>\n<p>1\u3001Melhorar a efici\u00eancia da produ\u00e7\u00e3o, reduzir os custos de fabrica\u00e7\u00e3o, melhorar a estabilidade de armazenamento dos revestimentos e reduzir o desperd\u00edcio.<\/p>\n<p>2\u3001Melhorar o estado do filme de revestimento.<\/p>\n<p>3, a melhor dispers\u00e3o de pigmentos pode melhorar a capacidade de absor\u00e7\u00e3o e reflex\u00e3o da luz ultravioleta, aumentar a resist\u00eancia a intemp\u00e9ries e a resist\u00eancia qu\u00edmica dos pigmentos.<\/p>\n<p>2 \u3001 Agente antiespumante.<\/p>\n<p>O antiespumante inibe a fun\u00e7\u00e3o de gera\u00e7\u00e3o de espuma e a fun\u00e7\u00e3o de elimina\u00e7\u00e3o da espuma. O antiespumante adequado em si geralmente tem baixa tens\u00e3o superficial, enquanto o antiespumante tamb\u00e9m deve ter compatibilidade limitada, de modo que n\u00e3o se dissolva no meio de espuma e possa ser bem disperso. Em um sistema aquoso, o antiespumante n\u00e3o pode afetar a estabilidade da emuls\u00e3o. No setor de revestimentos, a quantidade de antiespumante n\u00e3o \u00e9 grande, e a especialidade \u00e9 forte.<\/p>\n<p>Os antiespumantes comumente usados em revestimentos \u00e0 base de \u00e1gua s\u00e3o \u00f3leo mineral, \u00e9ster de \u00e1lcool inferior de \u00e1cido graxo, \u00e1lcool s\u00eanior, \u00e1cido graxo s\u00eanior, sab\u00e3o met\u00e1lico de \u00e1cido graxo s\u00eanior, glicerol de \u00e1cido graxo s\u00eanior, amida de \u00e1cido graxo s\u00eanior, derivados de \u00e1cido graxo s\u00eanior e polietileno poliamina, adutos de propilenoglicol e \u00f3xido de etileno, \u00e9ster de fosfato org\u00e2nico, resina de silicone, etc. Os surfactantes de propilenoglicol da Shanghai Cang Hong s\u00e3o uma classe de surfactantes multifuncionais usados em revestimentos \u00e0 base de \u00e1gua, que t\u00eam as fun\u00e7\u00f5es de antiespumante, umectante e nivelador.<\/p>\n<p>Os revestimentos \u00e0 base de solvente comumente usados como antiespumantes s\u00e3o \u00e1lcool de baixa qualidade, sab\u00e3o de metal graxo s\u00eanior, fosfato de alquila de baixa qualidade, resina de organossil\u00edcio, resina de silicone modificada, etc.<\/p>\n<p>Terceiro, agente de nivelamento.<\/p>\n<p>Ap\u00f3s a constru\u00e7\u00e3o do revestimento, h\u00e1 um processo de fluxo e secagem da forma\u00e7\u00e3o do filme, esse processo \u00e9 chamado de processo de nivelamento. Uma tinta com bom nivelamento logo se nivelar\u00e1 para formar um revestimento liso e plano ap\u00f3s a constru\u00e7\u00e3o; uma tinta com nivelamento ruim deixar\u00e1 marcas \u00f3bvias de pincel, casca de laranja e outros defeitos ap\u00f3s a forma\u00e7\u00e3o do filme, afetando a apar\u00eancia. Os fatores a serem considerados para melhorar o nivelamento da tinta s\u00e3o<\/p>\n<p>1\u3001O uso de surfactantes que podem reduzir adequadamente a tens\u00e3o superficial do revestimento para melhorar o nivelamento do revestimento.<\/p>\n<p>2, escolher o solvente com a velocidade de evapora\u00e7\u00e3o adequada e reduzir a viscosidade da constru\u00e7\u00e3o da tinta, melhorar o fluxo da tinta, estender o tempo de nivelamento e obter o nivelamento final. Os agentes de nivelamento comuns s\u00e3o solventes de alto ponto de ebuli\u00e7\u00e3o, agentes de nivelamento de silicone, agentes de nivelamento de poliacrilato, classe de vinagre de butilcelulose (CAB), etc.<\/p>\n<p>Em quarto lugar, o emulsificante.<\/p>\n<p>A tinta de emuls\u00e3o com \u00e1gua como meio de dispers\u00e3o de revestimentos de emuls\u00e3o \u00e9 baseada em emuls\u00e3o polim\u00e9rica, face, enchimento, aditivos dispersos nos quais a composi\u00e7\u00e3o do sistema de dispers\u00e3o \u00e0 base de \u00e1gua. Como os revestimentos de emuls\u00e3o com dilui\u00e7\u00e3o em \u00e1gua, de f\u00e1cil constru\u00e7\u00e3o, secagem r\u00e1pida, n\u00e3o inflam\u00e1veis, baixa toxicidade, economia de energia, excelente desempenho do filme, etc., s\u00e3o amplamente utilizados em diversas aplica\u00e7\u00f5es, como revestimentos internos e externos, tintas industriais, tratamento de fibras, papel, etc., \u00e9 uma das dire\u00e7\u00f5es importantes do desenvolvimento atual do setor de revestimentos.<\/p>\n<p>V. Agente antiest\u00e1tico.<\/p>\n<p>O revestimento antiest\u00e1tico \u00e9 um revestimento com a capacidade de excluir a carga est\u00e1tica acumulada. A adi\u00e7\u00e3o de agente antiest\u00e1tico ao revestimento pode preparar o revestimento antiest\u00e1tico. O agente antiest\u00e1tico \u00e9 um surfactante que pode vazar a carga est\u00e1tica ou reduzir o fator de atrito por meio de diferentes canais para inibir a gera\u00e7\u00e3o de carga est\u00e1tica. Em geral, \u00e9 necess\u00e1rio que ele tenha as seguintes caracter\u00edsticas: bom efeito de preven\u00e7\u00e3o de eletricidade est\u00e1tica; efeito duradouro de preven\u00e7\u00e3o de eletricidade est\u00e1tica; boa miscibilidade com subst\u00e2ncias formadoras de filme; e n\u00e3o afeta outras propriedades do revestimento. O revestimento decorativo antiest\u00e1tico n\u00e3o absorve poeira, \u00e9 resistente \u00e0 polui\u00e7\u00e3o; pode garantir que os instrumentos e medidores n\u00e3o sofram interfer\u00eancia eletrost\u00e1tica, para assegurar sua precis\u00e3o e sensibilidade; pode eliminar a eletricidade est\u00e1tica em instala\u00e7\u00f5es de alta altitude, para evitar danos causados por raios, prop\u00edcio ao vazamento de eletricidade est\u00e1tica, para evitar a ocorr\u00eancia de inc\u00eandios.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Como os compradores geralmente avaliam mon\u00f4meros UV e sistemas de resina<\/h2>\n<p>As formula\u00e7\u00f5es de UV de maior sucesso s\u00e3o constru\u00eddas escolhendo primeiro a base e, em seguida, ajustando o pacote de mon\u00f4meros reativos em torno do substrato, m\u00e9todo de cura e estresse de uso final. Isso geralmente produz um resultado mais est\u00e1vel do que escolher materiais apenas pela viscosidade ou pre\u00e7o.<\/p>\n<ul>\n<li><strong>Comece da propriedade final alvo:<\/strong> dureza, flexibilidade, ades\u00e3o e retra\u00e7\u00e3o raramente apontam para o mesmo pacote de mat\u00e9ria-prima.<\/li>\n<li><strong>Tela do pacote reativo como um todo:<\/strong> as escolhas de olig\u00f4mero, mon\u00f4mero e fotoiniciador interagem fortemente em sistemas UV.<\/li>\n<li><strong>Use a viscosidade como ferramenta, n\u00e3o como a \u00fanica regra de decis\u00e3o:<\/strong> o material mais f\u00e1cil de processar nem sempre \u00e9 o que tem melhor desempenho ap\u00f3s a cura.<\/li>\n<li><strong>Verifique o substrato real:<\/strong> pl\u00e1stico, metal, filme de etiqueta, sistemas de gel e revestimentos podem recompensar equil\u00edbrios de polaridade e densidade de cura muito diferentes.<\/li>\n<\/ul>\n<h3>Refer\u00eancias de produtos recomendadas<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-lap-cas-85073-19-4\/\">VOLTA DE LUMINIT<\/a>:<\/strong> Uma excelente op\u00e7\u00e3o quando se considera a resposta \u00e0 luz azul ou janelas de cura avan\u00e7adas.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> Um antiespumante balanceado de refer\u00eancia para revestimentos \u00e0 base de \u00e1gua e muitas telas de controle de espuma de uso geral.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaf-3062\/\">CHLUMIAF 3062<\/a>:<\/strong> \u00datil quando a compatibilidade entre tinta de impress\u00e3o e tinta UV \u00e9 importante na tela antiespumante.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaf-3037\/\">CHLUMIAF 3037<\/a>:<\/strong> Uma op\u00e7\u00e3o antiespumante mais forte para espumas persistentes que sobrevivem a condi\u00e7\u00f5es mais severas.<\/li>\n<\/ul>\n<h3>FAQ para compradores e formuladores<\/h3>\n<p><strong>Um mon\u00f4mero ou resina UV pode resolver todos os problemas de formula\u00e7\u00e3o?<\/strong><br \/>Geralmente n\u00e3o. F\u00f3rmulas comercialmente fortes dependem de como v\u00e1rios componentes trabalham juntos para equilibrar cura, ades\u00e3o, fluidez e durabilidade.<\/p>\n<p><strong>Por que os mon\u00f4meros devem ser rastreados juntamente com os olig\u00f4meros?<\/strong><br \/>Porque mon\u00f4meros podem alterar viscosidade, taxa de cura, retra\u00e7\u00e3o e comportamento do substrato o suficiente para modificar a classifica\u00e7\u00e3o final da mesma resina base.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>The application of surfactants in coatings is an additive, which is an indispensable component in the production of coatings. It can improve the coating production process, construction conditions and product<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5437","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The role of surfactants and their various applications in coatings - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"The application of surfactants in coatings is an additive, which is an indispensable component in the production of coatings. 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