{"id":6193,"date":"2023-07-26T02:28:28","date_gmt":"2023-07-26T02:28:28","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6193"},"modified":"2026-04-28T10:42:19","modified_gmt":"2026-04-28T10:42:19","slug":"how-do-leveling-agents-work","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/how-do-leveling-agents-work\/","title":{"rendered":"Como funcionam os agentes de nivelamento?"},"content":{"rendered":"<h1><strong>Como funcionam os agentes de nivelamento?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Resposta r\u00e1pida:<\/strong> Uma decis\u00e3o pr\u00e1tica de aditivo come\u00e7a com o defeito exato: espuma, molhabilidade deficiente, crateras, n\u00e9voa ou instabilidade. Geralmente, o melhor produto \u00e9 aquele que resolve esse defeito com a janela de compatibilidade mais segura.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>1. Vis\u00e3o geral do nivelamento<\/p>\n<p>After the construction of paint, there is a flow and drying film-forming process, and then gradually form a flat, smooth, uniform coating film. Whether the coating film can achieve the characteristics of flat and smooth is called leveling. In the actual construction process of the coating, the film defects that often appear are orange peel, fish-eye, shrinkage, pinhole, shrinkage, Benedict swirl, air sensitivity and due to poor leveling, brush marks when brushing, roller coating roller marks are known as poor leveling, the generation of these phenomena reduces the decorative and protective function of the coating. There are many factors affecting the leveling of coatings, such as solvent volatility gradient and solubility properties, surface tension of coatings, wet film thickness and surface tension gradient, rheology of coatings, construction process and environment, etc., of which the most important factors are the surface tension of coatings, surface tension gradient generated by the wet film in the film-forming process and the surface tension homogenization of the surface layer of the wet film. To improve the leveling of coatings, it is necessary to consider adjusting the formulation and adding suitable additives. In practice, <a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumile3345-silicone-leveling-agents-wetting-leveling-agents\/\">CHLUMILE 3345 Leveling Agent<\/a> e <a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumile3033-organic-silicone-leveling-agent-automotive-paint-leveling-agent\/\">CHLUMILE 3033 Leveling Agent<\/a> are often compared so that the coatings have suitable surface tension and the ability to reduce the surface tension gradient.<br \/>\n2. Papel do agente de nivelamento<br \/>\nDepois de umedecer o substrato, os aditivos que controlam o fluxo do revestimento para o nivelamento final s\u00e3o chamados de agentes de nivelamento, que podem resolver os seguintes problemas<br \/>\n3. Os principais fatores que influenciam o nivelamento<br \/>\n3.1. Gradiente de tens\u00e3o superficial - interface l\u00edquido-ar<br \/>\nOs gradientes de tens\u00e3o superficial nas camadas interna e externa levam a v\u00f3rtices de Benadryl<br \/>\nA elimina\u00e7\u00e3o do gradiente de tens\u00e3o superficial \u00e9 um elemento essencial para obter uma superf\u00edcie nivelada.<br \/>\n3.2. Tens\u00e3o superficial - interface l\u00edquido-s\u00f3lido<br \/>\nTens\u00e3o superficial menor do que a do substrato, de modo que o revestimento tem melhor molhabilidade do substrato<br \/>\nMenor tens\u00e3o superficial do revestimento, o que leva a um melhor nivelamento de ondas longas do l\u00edquido.<br \/>\n4. Fatores que influenciam a velocidade de nivelamento<br \/>\nQuanto maior a viscosidade, mais lento ser\u00e1 o nivelamento.<br \/>\nQuanto mais espessa for a pel\u00edcula, mais r\u00e1pido ser\u00e1 o nivelamento.<br \/>\nQuanto maior a tens\u00e3o superficial, mais r\u00e1pido ser\u00e1 o nivelamento.<br \/>\n5. Mecanismos e propriedades de diferentes agentes de nivelamento<br \/>\n5. 1) Eliminar o gradiente de tens\u00e3o superficial<br \/>\n5. 2 Reduzir a tens\u00e3o superficial do sistema.<br \/>\nOrganosilicones.<br \/>\n-Reduz significativamente a tens\u00e3o superficial<br \/>\nOrganosilicones: - Reduzem significativamente a tens\u00e3o superficial - Boas propriedades de migra\u00e7\u00e3o eliminam o gradiente de tens\u00e3o superficial<br \/>\nSem silicone e sem fl\u00faor: - Sem redu\u00e7\u00e3o significativa da tens\u00e3o superficial<br \/>\n-N\u00e3o h\u00e1 redu\u00e7\u00e3o significativa da tens\u00e3o superficial<br \/>\n- Sem migra\u00e7\u00e3o de superf\u00edcie<br \/>\n- Orienta\u00e7\u00e3o dentro do revestimento, ajustando a homogeneidade da tens\u00e3o superficial local<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>How buyers usually evaluate coating and ink additives<\/h2>\n<p>A sele\u00e7\u00e3o aditiva \u00e9 geralmente mais eficaz quando a equipe define o defeito primeiro e, em seguida, avalia a compatibilidade, a faixa de dosagem e a etapa do processo. Isso \u00e9 muitas vezes muito mais confi\u00e1vel do que escolher apenas pela fam\u00edlia qu\u00edmica ou por um \u00fanico resultado laboratorial dram\u00e1tico.<\/p>\n<ul>\n<li><strong>Comece pelo defeito, n\u00e3o pelo nome do aditivo:<\/strong> Perda por umedecimento, cratera, microespuma e instabilidade frequentemente precisam de solu\u00e7\u00f5es diferentes, mesmo dentro da mesma f\u00f3rmula.<\/li>\n<li><strong>Verifique a compatibilidade na dosagem pretendida:<\/strong> o aditivo mais forte ainda pode ser a escolha comercial errada se ele estreitar demais a janela de processo.<\/li>\n<li><strong>Revise o est\u00e1gio de uso:<\/strong> alguns produtos s\u00e3o mais \u00fateis durante a moagem, enquanto outros importam mais na dilui\u00e7\u00e3o, no enchimento ou na aplica\u00e7\u00e3o final.<\/li>\n<li><strong>Equilibre cura ou qualidade do filme com controle de defeitos:<\/strong> o aditivo certo resolve o problema sem sacrificar a ader\u00eancia, o brilho ou a apar\u00eancia.<\/li>\n<\/ul>\n<h3>Refer\u00eancias de produtos recomendadas<\/h3>\n<ul>\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> Useful when printing-ink and UV-ink compatibility matter in the defoaming screen.<\/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<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> Um referente forte de agente molhante para tintas, revestimentos e molhagem de substratos dif\u00edceis.<\/li>\n<\/ul>\n<h3>FAQ para compradores e formuladores<\/h3>\n<p><strong>Por que um aditivo que parece poderoso em um b\u00e9quer \u00e0s vezes falha na produ\u00e7\u00e3o?<\/strong><br \/>Porque cisalhamento, temperatura, substrato e a f\u00f3rmula completa podem alterar a maneira como o aditivo se comporta sob condi\u00e7\u00f5es reais de processamento.<\/p>\n<p><strong>O aditivo mais agressivo deve ser sempre preferido?<\/strong><br \/>Geralmente n\u00e3o. O melhor aditivo \u00e9 aquele que resolve o defeito real, mantendo a mais ampla janela de opera\u00e7\u00e3o segura.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>1. Overview of leveling After the construction of paint, there is a flow and drying film-forming process, and then gradually form a flat, smooth, uniform coating film. Whether the coating<\/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-6193","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>How do leveling agents work? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"1. 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