{"id":14785,"date":"2024-04-08T15:08:06","date_gmt":"2024-04-08T15:08:06","guid":{"rendered":"https:\/\/bfymold.com\/?p=14785"},"modified":"2025-06-10T09:13:08","modified_gmt":"2025-06-10T09:13:08","slug":"why-do-plastic-products-with-color-matching-fade","status":"publish","type":"post","link":"https:\/\/bfymold.com\/es\/why-do-plastic-products-with-color-matching-fade\/","title":{"rendered":"\u00bfPor qu\u00e9 desti\u00f1en los productos de pl\u00e1stico con igualaci\u00f3n de color?"},"content":{"rendered":"\n<p id=\"u8c75bb95\">Los productos de pl\u00e1stico se ven afectados por diversos factores que pueden causar decoloraci\u00f3n. La decoloraci\u00f3n de los productos pl\u00e1sticos para colorear est\u00e1 relacionada con la resistencia a la luz, el ox\u00edgeno, el calor, el \u00e1cido y el \u00e1lcali del polvo de color, y con las caracter\u00edsticas de la resina utilizada. <\/p>\n\n<div style=\"height:54px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p id=\"u96c0d5e4\">A continuaci\u00f3n se analizan detalladamente los factores que provocan la decoloraci\u00f3n de los pl\u00e1sticos:<\/p>\n\n<div style=\"height:54px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/bfymold.com\/wp-content\/uploads\/2024\/03\/H646232853a254731858b53aaf1d6ee043.webp\" alt=\"productos de pl&#xE1;stico\" class=\"wp-image-19043\" style=\"width:700px\" title=\"\" srcset=\"https:\/\/bfymold.com\/wp-content\/uploads\/2024\/03\/H646232853a254731858b53aaf1d6ee043.webp 800w, https:\/\/bfymold.com\/wp-content\/uploads\/2024\/03\/H646232853a254731858b53aaf1d6ee043-300x300.webp 300w, https:\/\/bfymold.com\/wp-content\/uploads\/2024\/03\/H646232853a254731858b53aaf1d6ee043-150x150.webp 150w, https:\/\/bfymold.com\/wp-content\/uploads\/2024\/03\/H646232853a254731858b53aaf1d6ee043-768x768.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">productos de pl\u00e1stico<\/figcaption><\/figure>\n\n<div style=\"height:54px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"p1mMQ\">1. Solidez a la luz del colorante<\/h2>\n\n<div style=\"height:54px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p id=\"u692bb35c\">La solidez a la luz del colorante afecta directamente a la decoloraci\u00f3n del producto. Es importante utilizar un colorante con un alto grado de solidez a la luz (6 o superior) para productos de exterior expuestos a luz intensa, mientras que los productos de interior pueden utilizar grados inferiores (4 o 5). <\/p>\n\n<p id=\"u8dc46130\">La resistencia a la luz de la resina portadora tambi\u00e9n influye en el cambio de color y la decoloraci\u00f3n tras la irradiaci\u00f3n ultravioleta. La adici\u00f3n de absorbentes UV y otros estabilizadores de la luz al masterbatch puede mejorar la resistencia a la luz de los colorantes y los productos pl\u00e1sticos coloreados. <\/p>\n\n<div style=\"height:54px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"ZQk0e\">2. Resistencia al calor<\/h2>\n\n<div style=\"height:54px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p id=\"ubd37f8b9\">La estabilidad t\u00e9rmica de los pigmentos resistentes al calor se refiere a su comportamiento a temperaturas de procesado en t\u00e9rminos de p\u00e9rdida de peso, decoloraci\u00f3n y desvanecimiento.<\/p>\n\n<p id=\"u62094ece\">Los pigmentos inorg\u00e1nicos tienen una buena estabilidad t\u00e9rmica debido a su composici\u00f3n de \u00f3xidos met\u00e1licos, mientras que los compuestos org\u00e1nicos pueden sufrir cambios en su estructura molecular a determinadas temperaturas. <\/p>\n\n<p id=\"u62094ece\">Al seleccionar colorantes para productos de PP, PA y PET procesados por encima de 280\u2103, debe prestarse atenci\u00f3n a la resistencia al calor del pigmento y a su tolerancia temporal dentro de este rango de temperatura (normalmente de 4 a 10 minutos).<\/p>\n\n<div style=\"height:54px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"1018\" src=\"https:\/\/bfymold.com\/wp-content\/uploads\/2024\/09\/Hdd750ac1cd4c4641bb44b63e02252269E-1024x1018.jpg\" alt=\"Productos de pl&#xE1;stico\" class=\"wp-image-4164\" style=\"width:516px;height:auto\" title=\"\" srcset=\"https:\/\/bfymold.com\/wp-content\/uploads\/2024\/09\/Hdd750ac1cd4c4641bb44b63e02252269E-1024x1018.jpg 1024w, https:\/\/bfymold.com\/wp-content\/uploads\/2024\/09\/Hdd750ac1cd4c4641bb44b63e02252269E-300x298.jpg 300w, https:\/\/bfymold.com\/wp-content\/uploads\/2024\/09\/Hdd750ac1cd4c4641bb44b63e02252269E-150x150.jpg 150w, https:\/\/bfymold.com\/wp-content\/uploads\/2024\/09\/Hdd750ac1cd4c4641bb44b63e02252269E-768x764.jpg 768w, https:\/\/bfymold.com\/wp-content\/uploads\/2024\/09\/Hdd750ac1cd4c4641bb44b63e02252269E-1536x1528.jpg 1536w, https:\/\/bfymold.com\/wp-content\/uploads\/2024\/09\/Hdd750ac1cd4c4641bb44b63e02252269E-2048x2037.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Productos de pl\u00e1stico<\/figcaption><\/figure>\n\n<div style=\"height:54px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"lc4oL\">3. Propiedades antioxidantes<\/h2>\n\n<div style=\"height:54px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p id=\"ud871cb7d\">Algunos pigmentos org\u00e1nicos se degradan mediante procesos de oxidaci\u00f3n que conducen a una decoloraci\u00f3n gradual en condiciones de altas temperaturas o de exposici\u00f3n a oxidantes fuertes, como el cromato en el amarillo de cromo.<\/p>\n\n<div style=\"height:54px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"xiJfW\">4. Resistencia \u00e1cida y alcalina<\/h2>\n\n<div style=\"height:54px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p id=\"ua354f2f7\">La resistencia qu\u00edmica (resistencia al \u00e1cido y al \u00e1lcali) de los colorantes influye en la decoloraci\u00f3n del producto; por ejemplo, el rojo cromo molibdeno es resistente al \u00e1cido diluido pero sensible al \u00e1lcali, mientras que el amarillo cadmio carece de resistencia al \u00e1cido.<\/p>\n\n<p id=\"u8cac8b6e\">Para abordar los problemas relacionados con la decoloraci\u00f3n de los productos pl\u00e1sticos coloreados, debe realizarse una evaluaci\u00f3n exhaustiva de los pigmentos, colorantes, tensioactivos, dispersantes, resinas portadoras y aditivos antienvejecimiento necesarios en funci\u00f3n de las condiciones de procesamiento y los requisitos de uso de los productos pl\u00e1sticos.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los productos de pl\u00e1stico se ven afectados por diversos factores que pueden causar decoloraci\u00f3n. La decoloraci\u00f3n de los productos pl\u00e1sticos para colorear est\u00e1 relacionada con la resistencia a la luz, el ox\u00edgeno, el calor, el \u00e1cido y el \u00e1lcali del polvo de color, y con las caracter\u00edsticas de la resina utilizada. A continuaci\u00f3n se analizan [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7282,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","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":[53],"tags":[],"class_list":["post-14785","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/bfymold.com\/es\/wp-json\/wp\/v2\/posts\/14785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bfymold.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bfymold.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bfymold.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bfymold.com\/es\/wp-json\/wp\/v2\/comments?post=14785"}],"version-history":[{"count":0,"href":"https:\/\/bfymold.com\/es\/wp-json\/wp\/v2\/posts\/14785\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bfymold.com\/es\/wp-json\/wp\/v2\/media\/7282"}],"wp:attachment":[{"href":"https:\/\/bfymold.com\/es\/wp-json\/wp\/v2\/media?parent=14785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bfymold.com\/es\/wp-json\/wp\/v2\/categories?post=14785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bfymold.com\/es\/wp-json\/wp\/v2\/tags?post=14785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}