{"id":2494,"date":"2026-01-06T16:01:56","date_gmt":"2026-01-06T08:01:56","guid":{"rendered":"http:\/\/www.jmchemi.com\/?post_type=product&#038;p=2494"},"modified":"2026-01-20T16:48:27","modified_gmt":"2026-01-20T08:48:27","slug":"wet-strength-agents-wet-strength-resins","status":"publish","type":"product","link":"https:\/\/www.jmchemi.com\/pt\/produto\/wet-strength-agents-wet-strength-resins\/","title":{"rendered":"Agentes de resist\u00eancia \u00e0 humidade (Resinas de resist\u00eancia \u00e0 humidade)"},"content":{"rendered":"<h3>Descri\u00e7\u00e3o t\u00e9cnica<\/h3>\n<h4>Vis\u00e3o geral do produto<\/h4>\n<p>Os agentes de resist\u00eancia \u00e0 humidade (WSAs) s\u00e3o uma classe de pol\u00edmeros cati\u00f3nicos sol\u00faveis em \u00e1gua, especificamente concebidos para conferir resist\u00eancia tempor\u00e1ria ou permanente \u00e0 ruptura, \u00e0 desintegra\u00e7\u00e3o e ao rebentamento quando os produtos de papel e cart\u00e3o ficam saturados de \u00e1gua. S\u00e3o aditivos funcionais essenciais na ind\u00fastria papeleira, permitindo a produ\u00e7\u00e3o de tipos de papel que t\u00eam de manter uma parte significativa da sua resist\u00eancia em seco em condi\u00e7\u00f5es h\u00famidas.<\/p>\n<h4>\u00a0Fun\u00e7\u00f5es e aplica\u00e7\u00f5es principais<\/h4>\n<p>A fun\u00e7\u00e3o principal consiste em aumentar significativamente a resist\u00eancia \u00e0 tra\u00e7\u00e3o em condi\u00e7\u00f5es h\u00famidas, a resist\u00eancia ao rompimento em condi\u00e7\u00f5es h\u00famidas e, em menor medida, a rigidez em condi\u00e7\u00f5es h\u00famidas dos produtos de papel.<br \/>\n<strong>As aplica\u00e7\u00f5es t\u00edpicas incluem:<\/strong><br \/>\n<strong>Toalhas e len\u00e7os de papel:<\/strong>\u00a0Toalhas de papel, len\u00e7os de papel, guardanapos (para manter a integridade durante a utiliza\u00e7\u00e3o).<br \/>\n<strong>Embalagem:<\/strong>\u00a0Cart\u00e3o para embalagem de l\u00edquidos (embalagens de leite\/sumo), cart\u00e3o de revestimento para condi\u00e7\u00f5es h\u00famidas, pap\u00e9is resistentes \u00e0 gordura, cart\u00e3o de suporte para bebidas.<br \/>\n<strong>Artigos especializados:\u00a0<\/strong>Pap\u00e9is de filtro (sacos de ch\u00e1, filtros de caf\u00e9), papel de mapa, papel de cartaz, pap\u00e9is para etiquetas, substratos abrasivos, papel de base fotogr\u00e1fica.<br \/>\n<strong>Produtos de higiene:<\/strong>\u00a0Certas camadas presentes em produtos de higiene descart\u00e1veis.<br \/>\n<strong>Sacos de papel:<\/strong>\u00a0Para cimento, alimentos ou outros produtos que exijam resist\u00eancia \u00e0 humidade.<\/p>","protected":false},"excerpt":{"rendered":"<p>Os agentes de resist\u00eancia \u00e0 humidade (WSAs) s\u00e3o uma classe de pol\u00edmeros cati\u00f3nicos sol\u00faveis em \u00e1gua, especificamente concebidos para conferir resist\u00eancia tempor\u00e1ria ou permanente \u00e0 ruptura, \u00e0 desintegra\u00e7\u00e3o e ao rebentamento quando os produtos de papel e cart\u00e3o ficam saturados de 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