{"id":8877,"date":"2025-09-12T08:43:00","date_gmt":"2025-09-12T08:43:00","guid":{"rendered":"https:\/\/changhongchemical.com\/?p=8877"},"modified":"2026-04-27T11:18:16","modified_gmt":"2026-04-27T11:18:16","slug":"pigments-inks","status":"publish","type":"post","link":"https:\/\/changhongchemical.com\/pt\/pigments-inks\/","title":{"rendered":"Pigmentos e tintas"},"content":{"rendered":"<h1><strong>Pigmentos e tintas<\/strong><\/h1>\r\nOs pigmentos s\u00e3o um componente vital da tinta e a principal subst\u00e2ncia formadora de filme na camada de tinta. Eles n\u00e3o apenas conferem cores decorativas ricas \u00e0 tinta e proporcionam cobertura sobre o substrato impresso, mas tamb\u00e9m aprimoram as propriedades f\u00edsicas da camada de tinta. Essas melhorias incluem maior resist\u00eancia mec\u00e2nica, maior resist\u00eancia \u00e0 corros\u00e3o e menor permeabilidade ao ar e \u00e0 \u00e1gua. Certos pigmentos especiais tamb\u00e9m conferem propriedades funcionais \u00e0 tinta, como efeitos de fluoresc\u00eancia e antiest\u00e1ticos, desempenhando um papel central na obten\u00e7\u00e3o de formula\u00e7\u00f5es de tinta multifuncionais.\r\n\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-8879\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>\r\n\r\nNormalmente, avaliamos o desempenho do pigmento usando m\u00e9tricas como poder de tingimento, poder de cobertura, resist\u00eancia \u00e0 luz, resist\u00eancia \u00e0s intemp\u00e9ries, resist\u00eancia ao escurecimento, resist\u00eancia ao calor e resist\u00eancia a \u00e1cidos e \u00e1lcalis.\r\n\r\n&nbsp;\r\n\r\n<strong><b>For\u00e7a de colora\u00e7\u00e3o<\/b><\/strong>\r\n\r\nO poder de tingimento refere-se \u00e0 intensidade da cor produzida quando um pigmento \u00e9 misturado a outro. Quanto mais forte for o poder de tingimento, menos pigmento ser\u00e1 necess\u00e1rio. Por exemplo, o pigmento ultramarino \u00e9 frequentemente adicionado \u00e0 tinta branca para neutralizar os tons amarelos; quanto mais forte for o poder de tingimento do ultramarino, menor ser\u00e1 a quantidade necess\u00e1ria.\r\n\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-8878\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>\r\n\r\n<strong><b>Opacidade<\/b><\/strong>\r\n\r\nA opacidade refere-se \u00e0 capacidade da tinta de ocultar a cor subjacente ap\u00f3s a impress\u00e3o em uma superf\u00edcie de substrato. No caso dos pigmentos, a opacidade se manifesta pelo fato de o pigmento dentro da camada de tinta poder efetivamente obscurecer o substrato, impedindo que a cor de base apare\u00e7a. Essa propriedade \u00e9 normalmente expressa em gramas de pigmento necess\u00e1rias para cobrir um metro quadrado de \u00e1rea.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Resist\u00eancia \u00e0 luz e \u00e0s intemp\u00e9ries<\/b><\/strong>\r\n\r\nOs pigmentos podem sofrer altera\u00e7\u00f5es de cor e propriedade quando expostos \u00e0 luz solar e \u00e0s condi\u00e7\u00f5es atmosf\u00e9ricas. A resist\u00eancia \u00e0 luz e \u00e0s intemp\u00e9ries denota a capacidade de resistir a essas altera\u00e7\u00f5es. Essa propriedade \u00e9 particularmente importante para tintas para exteriores. Por exemplo, os pigmentos de \u00f3xido de ferro de mica e de p\u00f3 de alum\u00ednio absorvem os raios ultravioleta, aumentando significativamente a resist\u00eancia \u00e0s intemp\u00e9ries da camada de tinta.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Giz<\/b><\/strong>\r\n\r\nO giz ocorre quando o aglutinante na camada de tinta se rompe devido \u00e0 decomposi\u00e7\u00e3o fotoqu\u00edmica, fazendo com que os pigmentos se separem da camada de tinta e formem p\u00f3. Isso n\u00e3o afeta apenas a apar\u00eancia, mas tamb\u00e9m reduz a fun\u00e7\u00e3o de prote\u00e7\u00e3o da camada de tinta.\r\n\r\n<strong><b><img decoding=\"async\" class=\"alignnone size-full wp-image-8880\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>Resist\u00eancia ao calor<\/b><\/strong>\r\n\r\nRefere-se \u00e0 capacidade de um pigmento de manter a estabilidade da cor em condi\u00e7\u00f5es de alta temperatura. Para tintas que exigem cozimento em alta temperatura (como esmalte cozido), a resist\u00eancia ao calor \u00e9 um indicador essencial.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Resist\u00eancia a \u00e1cidos e \u00e1lcalis<\/b><\/strong>\r\n\r\nRefere-se \u00e0 capacidade de um pigmento de manter sua cor original em ambientes \u00e1cidos ou alcalinos. Por exemplo, os pigmentos usados em tintas \u00e0 base de \u00e1gua devem ter excelente resist\u00eancia a \u00e1lcalis.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Classifica\u00e7\u00e3o dos pigmentos<\/b><\/strong>\r\n\r\nOs pigmentos s\u00e3o diversos e podem ser categorizados em quatro tipos principais com base em sua fun\u00e7\u00e3o na tinta: pigmentos corantes, pigmentos antiferrugem, pigmentos extensores e pigmentos especiais.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Pigmentos de colora\u00e7\u00e3o<\/b><\/strong>\r\n\r\nEssa categoria de pigmentos oferece diversas cores, usadas principalmente para fornecer cor e cobertura e, ao mesmo tempo, aumentar a durabilidade e a resist\u00eancia \u00e0 abras\u00e3o dos filmes de tinta. Por cor, eles s\u00e3o categorizados em nove grupos principais: amarelo, vermelho, laranja, roxo, azul, verde, branco, preto e met\u00e1lico. As variedades comuns incluem: amarelo cromo, amarelo ferro, amarelo lightfast, vermelho antim\u00f4nio, vermelho toluidina, azul ferro, azul ftalocianina, \u00f3xido de zinco, branco tit\u00e2nio, preto carbono, verde \u00f3xido de cromo, p\u00f3 de alum\u00ednio e p\u00f3 de cobre.\r\n\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-8881\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>\r\n\r\n<strong><b>Pigmentos antiferrugem<\/b><\/strong>\r\n\r\nAnti-rust pigments are categorized into physical and chemical types, serving as essential components of anti-rust inks.\r\n\r\nPhysical anti-rust pigments, such as iron oxide red, feature stable chemical properties and fine particles that enhance ink layer density while blocking moisture and oxygen. Aluminum powder, with its flake-like structure, improves ink layer sealing and reflects ultraviolet rays to delay aging.\r\n\r\nChemical rust-proof pigments like red lead, zinc chromate yellow, and zinc powder achieve rust prevention through chemical reactions.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Pigmentos extensores<\/b><\/strong>\r\n\r\nTamb\u00e9m conhecidos como pigmentos de enchimento, eles geralmente s\u00e3o derivados de minerais naturais ou subprodutos industriais, oferecendo custos mais baixos. Com \u00edndices de refra\u00e7\u00e3o semelhantes aos de \u00f3leos ou resinas, eles n\u00e3o t\u00eam poder de colora\u00e7\u00e3o ou cobertura. Suas principais fun\u00e7\u00f5es incluem aumentar a espessura da camada de tinta, aumentar a dureza e a resist\u00eancia \u00e0 abras\u00e3o, melhorar as propriedades de suspens\u00e3o e nivelamento e otimizar a estrutura da tinta para aumentar a resist\u00eancia ao envelhecimento. O uso de pigmentos extensores tamb\u00e9m ajuda a controlar os custos da tinta, evitando a redund\u00e2ncia funcional com os pigmentos de colora\u00e7\u00e3o.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Pigmentos especiais<\/b><\/strong>\r\n<ul>\r\n \t<li><strong><b>Pigmentos de efeito:<\/b><\/strong>Como os pigmentos de mudan\u00e7a de cor dependentes de \u00e2ngulo, que fazem com que as camadas de tinta apresentem varia\u00e7\u00f5es de cor e brilho em diferentes \u00e2ngulos de vis\u00e3o. Comumente usados em revestimentos automotivos e impress\u00e3o de embalagens de alta qualidade.<\/li>\r\n \t<li><strong><b> Pigmentos fluorescentes: <\/b><\/strong>Divididos em tipos inorg\u00e2nicos e org\u00e2nicos, emitem fluoresc\u00eancia intensa. Amplamente aplicados em publicidade e sinaliza\u00e7\u00e3o de seguran\u00e7a.<\/li>\r\n \t<li><strong><b>Enchimentos antiest\u00e1ticos:<\/b><\/strong>Usados em tintas antiest\u00e1ticas, s\u00e3o favorecidos por seu baixo custo e facilidade de aplica\u00e7\u00e3o, o que os torna amplamente adotados na fabrica\u00e7\u00e3o de eletr\u00f4nicos e embalagens pl\u00e1sticas.<\/li>\r\n<\/ul>\r\n&nbsp;\r\n\r\nVale a pena observar que os consumidores de hoje est\u00e3o priorizando cada vez mais a seguran\u00e7a dos produtos. No setor de cuidados com as unhas, o <a href=\"http:\/\/chromeclair.com\/product\/cat-eye-gel-polish-hema-free-and-tpo-free-ce02\/\">Esmalte em gel para olhos de gato sem HEMA<\/a> exemplifica essa tend\u00eancia.\r\n\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-8882\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>Seus produtos enfatizam a seguran\u00e7a, a baixa irrita\u00e7\u00e3o e a compatibilidade com o meio ambiente, sem ingredientes nocivos ou irritantes para proteger a sa\u00fade das unhas. Esse compromisso com a seguran\u00e7a dos ingredientes e a responsabilidade ambiental alinha-se perfeitamente com a mudan\u00e7a mais ampla do setor em dire\u00e7\u00e3o a pr\u00e1ticas mais saud\u00e1veis e sustent\u00e1veis nos setores de pigmentos e tintas.\n\n\n<p><strong>Related product references:<\/strong> For formulation review or sourcing comparison, see <a href=\"https:\/\/changhongchemical.com\/product\/hema-free-tpo-free-gel-polish\/\">CHROM\u00c9CLAIR HEMA-free &amp; TPO-free Gel Polish<\/a> e <a href=\"https:\/\/changhongchemical.com\/product\/chluminit-tmo-photoinitiator-cas-270586-78-2\/\">CHLUMINIT TMO<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Pigments are a vital component of ink and the key film-forming substance in the ink layer. They not only impart rich decorative colors to the ink and provide coverage over the printed substrate, but&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8877","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pigments &amp; Inks<\/title>\n<meta name=\"description\" content=\"Pigments are a vital component of ink and the key film-forming substance in the ink layer. They not only impart rich decorative colors to the ink and provide coverage over the printed substrate, but also enhance the physical properties of the ink layer. These improvements include increased mechanical strength, enhanced corrosion resistance, and reduced permeability to air and water. Certain specialty pigments further confer functional properties to the ink, such as fluorescence and antistatic effects, playing a central role in achieving multifunctional ink formulations.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/changhongchemical.com\/pt\/pigments-inks\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pigments &amp; Inks\" \/>\n<meta property=\"og:description\" content=\"Pigments are a vital component of ink and the key film-forming substance in the ink layer. They not only impart rich decorative colors to the ink and provide coverage over the printed substrate, but also enhance the physical properties of the ink layer. These improvements include increased mechanical strength, enhanced corrosion resistance, and reduced permeability to air and water. Certain specialty pigments further confer functional properties to the ink, such as fluorescence and antistatic effects, playing a central role in achieving multifunctional ink formulations.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/changhongchemical.com\/pt\/pigments-inks\/\" \/>\n<meta property=\"og:site_name\" content=\"Changhong Chemical\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-12T08:43:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-27T11:18:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"3462\" \/>\n\t<meta property=\"og:image:height\" content=\"2084\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Changhong Chemical\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Changhong Chemical\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/pigments-inks\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/pigments-inks\\\/\"},\"author\":{\"name\":\"Changhong Chemical\",\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/#\\\/schema\\\/person\\\/2a9593ff69d6db8f8ca0567ca3ed6b5d\"},\"headline\":\"Pigments &#038; Inks\",\"datePublished\":\"2025-09-12T08:43:00+00:00\",\"dateModified\":\"2026-04-27T11:18:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/pigments-inks\\\/\"},\"wordCount\":826,\"publisher\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/pigments-inks\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/changhongchemical.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/1-1-1.webp\",\"articleSection\":[\"Uncategorized\"],\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/pigments-inks\\\/\",\"url\":\"https:\\\/\\\/changhongchemical.com\\\/pigments-inks\\\/\",\"name\":\"Pigments & Inks\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/pigments-inks\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/pigments-inks\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/changhongchemical.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/1-1-1.webp\",\"datePublished\":\"2025-09-12T08:43:00+00:00\",\"dateModified\":\"2026-04-27T11:18:16+00:00\",\"description\":\"Pigments are a vital component of ink and the key film-forming substance in the ink layer. 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