{"id":6172,"date":"2023-07-10T14:31:14","date_gmt":"2023-07-10T14:31:14","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6172"},"modified":"2026-04-28T10:42:18","modified_gmt":"2026-04-28T10:42:18","slug":"what-is-the-light-aging-protection-of-uv-absorbers-for-coatings","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/zh\/what-is-the-light-aging-protection-of-uv-absorbers-for-coatings\/","title":{"rendered":"\u6d82\u6599\u7d2b\u5916\u7ebf\u5438\u6536\u5242\u7684\u5149\u8001\u5316\u4fdd\u62a4\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> For antioxidant, UV absorber, and HALS topics, formulators usually compare long-term protection, process stability, and color control together because those priorities do not always point to the same additive.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>\u6d82\u6599\u7d2b\u5916\u7ebf\u5438\u6536\u5242\u7684\u5149\u8001\u5316\u4fdd\u62a4\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/p>\n<p>&nbsp;<\/p>\n<p>UV absorbers such as <a href=\"https:\/\/longchangchemical.com\/zh\/product\/uv-384-2\/\">\u7d2b\u5916\u7ebf\u5438\u6536\u5668 384-2<\/a> used together with <a href=\"https:\/\/longchangchemical.com\/zh\/product\/light-stabilizer-292\/\">Light Stabilizer 292<\/a> are effective in slowing down the light aging behavior of cured coatings. The addition of various suitable UV absorbers and light stabilizers to coating formulations is a well-established method of operation for organic coatings for outdoor use where high quality and longevity are required. UV absorbers such as EVERSORB 80, EVERSORB 93, etc. are classic anti-aging products.<\/p>\n<p>\u8868\u5f81\u6d82\u5c42\u5149\u8001\u5316\u6027\u80fd\u7684\u65b9\u6cd5\u6709\u5f88\u591a\u3002\u5bf9\u4e8e\u4e0d\u542b\u7fb0\u57fa\u7ed3\u6784\u7684\u805a\u5408\u7269\uff0c\u5176\u5149\u8001\u5316\u6027\u80fd\u53ef\u4ee5\u901a\u8fc7\u7ea2\u5916\u5438\u6536\u5149\u8c31\u4e2d\u7684\u7fb0\u57fa\u4fe1\u53f7\u53d8\u5316\u6765\u8868\u5f81\u3002\u4f46\u6709\u4e9b\u6d82\u6599\uff08\u5305\u62ec\u5149\u56fa\u5316\u7d2b\u5916\u7ebf\u6d82\u6599\uff09\u542b\u6709\u916f\u7fb0\u57fa\u3001\u6c28\u916f\u952e\u7b49\uff0c\u4e0d\u9002\u5408\u7528\u7fb0\u57fa\u503c\u6765\u8868\u5f81\u5176\u5149\u8001\u5316\u884c\u4e3a\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u9ec4\u53d8\u6307\u6570\uff08YI\uff09\u6765\u8868\u5f81\u5b83\u4eec\u3002\u56fd\u9645\u6807\u51c6\u65b9\u6cd5\u9075\u5faa ASTM D1925\uff0c\u5c06\u56fa\u5316\u819c\u66b4\u9732\u5728\u7d2b\u5916\u5149\u4e0b\uff0c\u6bcf\u66b4\u9732\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u7528\u7d2b\u5916\u53ef\u89c1\u5206\u5149\u5149\u5ea6\u8ba1\u6d4b\u91cf\u56fa\u5316\u819c\u5728\u51e0\u4e2a\u7279\u5b9a\u6ce2\u957f\u5904\u7684\u900f\u5c04\u7387\uff0c\u7167\u5c04\u6e90\u53ef\u4ee5\u662f\u4e2d\u538b\u6c5e\u706f\uff0c\u7528\u6d3e\u83b1\u514b\u65af\u73bb\u7483\u8fc7\u6ee4\u6389 320 \u7eb3\u7c73\u4ee5\u4e0b\u7684\u77ed\u6ce2\u7d2b\u5916\u5149\u3002<\/p>\n<p>\u9ec4\u5ea6\u6307\u6570\u7684\u5b9a\u4e49\u4e3a<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u5229\u7528\u4eba\u5de5\u5149\u6e90\u8fdb\u884c\u7684\u8001\u5316\u8bd5\u9a8c\u79f0\u4e3a\u52a0\u901f\u8001\u5316\uff0c\u52a0\u901f\u8001\u5316\u5f80\u5f80\u8fd8\u8981\u914d\u5408\u6e7f\u5ea6\u3001\u6e29\u5ea6\u3001\u76d0\u96fe\u7b49\u9644\u52a0\u88c5\u7f6e\uff0c\u4ee5\u4fbf\u66f4\u5ba2\u89c2\u3001\u5168\u9762\u5730\u8bc4\u4ef7\u6d82\u5c42\u7684\u6297\u8001\u5316\u6027\u80fd\u3002\u9664\u7d2b\u5916\u5149\u6e90\u5916\uff0c\u529f\u7387\u4e3a\u51e0\u767e\u74e6\u7684\u6c19\u706f\uff0c\u5176\u5149\u8c31\u8f93\u51fa\u4e3a 250nm \u8d77\u7684\u8fde\u7eed\u5149\u8c31\uff0c\u4e0e\u8fbe\u5230\u5730\u9762\u592a\u9633\u5149\u8c31\u6ce2\u6bb5\u5206\u5e03\u76f8\u8fd1\uff0c\u662f\u4eba\u5de5\u8001\u5316\u673a\u5e38\u7528\u7684\u5149\u6e90\u3002\u5176\u4ed6\u4eba\u5de5\u8001\u5316\u5149\u6e90\u5305\u62ec QUVA \u548c QUVB\u3002QUVA\u662f\u957f\u6ce2\u7d2b\u5916\u7ebf\u8f93\u51fa\uff0c\u800cQUVB\u7684\u8f93\u51fa\u6ce2\u957f\u4e3a280-360nm\uff0c\u4e2d\u5fc3\u4f4d\u4e8e310mm\u3002\u6bd4\u8f83\u539f\u59cb\uff0c\u4f46\u5b8c\u5168\u7b26\u5408\u81ea\u7136\u8001\u5316\u7684\u5149\u8001\u5316\u8bd5\u9a8c\u662f\u5728\u9633\u5149\u76f4\u5c04\u4e0b\u8fdb\u884c\u7684\uff0c\u5982\u7f8e\u56fd\u4f5b\u7f57\u91cc\u8fbe\u5dde\u91c7\u7528\u768445\u5ea6\u89d2\u66dd\u6652\u8bd5\u9a8c\u3002<\/p>\n<p>\u7531\u4e8e\u5730\u7403\u5927\u6c14\u4e2d\u81ed\u6c27\u7684\u5438\u6536\u4f5c\u7528\uff0c\u592a\u9633\u5149\u900f\u8fc7\u5927\u6c14\u5c42\u5230\u8fbe\u5730\u9762\u65f6\uff0c295nm \u4ee5\u4e0b\u7684\u9ad8\u80fd\u77ed\u6ce2\u7d2b\u5916\u7ebf\u57fa\u672c\u4e0a\u88ab\u8fc7\u6ee4\u6389\u4e86\u3002\u56e0\u6b64\uff0c\u5730\u9762\u9633\u5149\u5bf9\u9ad8\u5206\u5b50\u6d82\u5c42\u7684\u5149\u8001\u5316\u6709\u5f88\u5f3a\u7684\u5f71\u54cd\uff0c\u6ce2\u6bb5\u4e3b\u8981\u96c6\u4e2d\u5728 295~400nm \u4e4b\u95f4\uff0c\u6ce2\u957f\u8d8a\u77ed\uff0c\u80fd\u91cf\u8d8a\u9ad8\uff0c\u5bf9\u9ad8\u5206\u5b50\u6d82\u5c42\u7684\u5149\u8001\u5316\u5f71\u54cd\u5c31\u8d8a\u5f3a\u70c8\u3002\u53d7\u5b63\u8282\u3001\u65f6\u95f4\u3001\u6d77\u62d4\u9ad8\u5ea6\u3001\u7eac\u5ea6\u3001\u5929\u6c14\u3001\u7a7a\u6c14\u6c61\u67d3\u7b49\u8bf8\u591a\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5730\u9762\u9633\u5149\u4e2d\u7684\u7d2b\u5916\u7ebf\u5f3a\u5ea6\u53ef\u80fd\u4f1a\u53d1\u751f\u53d8\u5316\u3002\u81ed\u6c27\u5c42\u5438\u6536 320nm \u4ee5\u4e0b\u7684\u7d2b\u5916\u7ebf\uff0c\u4f46\u968f\u7740\u5927\u6c14\u6c61\u67d3\u3001\u81ed\u6c27\u5c42\u7834\u574f\uff0c\u5230\u8fbe\u5730\u9762\u7684\u77ed\u6ce2\u7d2b\u5916\u7ebf\u5f3a\u5ea6\u9010\u5e74\u589e\u52a0\u3002\u4f7f\u7528\u4e0d\u540c\u5149\u6e90\u5f97\u5230\u7684\u5149\u8001\u5316\u7ed3\u679c\u4e0d\u4e00\u5b9a\u4e00\u81f4\uff0c\u4e3b\u8981\u662f\u56e0\u4e3a\u5404\u79cd\u5149\u6e90\u7684\u6ce2\u957f\u5206\u5e03\u3001\u5f3a\u5ea6\u3001\u73af\u5883\u6e7f\u5ea6\u3001\u6e29\u5ea6\u7b49\u6761\u4ef6\u4e0d\u5b8c\u5168\u4e00\u81f4\u3002<\/p>\n<p>\u9664\u4e86\u9ec4\u5ea6\u6307\u6570\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u68c0\u6d4b\u5438\u6536\u5149\u8c31\u3001\u5149\u6cfd\u3001\u96fe\u5ea6\u3001\u9644\u7740\u529b\u3001\u673a\u68b0\u6027\u80fd\u3001\u70ed\u529b\u5b66\u673a\u68b0\u884c\u4e3a\u7b49\u6307\u6807\u7684\u53d8\u5316\u6765\u8868\u5f81\u56fa\u5316\u819c\u7684\u6297\u8001\u5316\u6027\u80fd\u3002\u7531\u4e8e\u5149\u8001\u5316\u8fc7\u7a0b\u4e2d\u666e\u904d\u5b58\u5728\u5149\u6c27\u5316\u73b0\u8c61\uff0c\u6d82\u5c42\u4e2d\u7f9f\u57fa\u6307\u6570\u6216\u8fc7\u6c27\u5316\u7269\u6307\u6570\u7684\u53d8\u5316\u5e38\u88ab\u7528\u4f5c\u53cd\u6620\u5149\u8001\u5316\u7684\u53c2\u6570\u3002\u8fd8\u53ef\u4ee5\u6839\u636e\u654f\u611f\u57fa\u56e2\u6d53\u5ea6\u7684\u53d8\u5316\u6765\u8868\u5f81\u805a\u5408\u7269\u7684\u4e0d\u540c\u7ed3\u6784\u3002<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical selection route for antioxidant, UV absorber, and HALS packages<\/h2>\n<p>Most stabilizer decisions work best when they are treated as package decisions rather than single-product decisions. Technical buyers usually get the strongest answer by reviewing long-term heat aging, process stability, weather exposure, and color sensitivity together.<\/p>\n<ul>\n<li><strong>Separate processing protection from long-term stability:<\/strong> the best additive for melt history is not always the same one that gives the best service-life retention.<\/li>\n<li><strong>Use synergy deliberately:<\/strong> many polymer and coating systems perform best when primary and secondary stabilizers are paired intentionally.<\/li>\n<li><strong>Review color and clarity requirements:<\/strong> clear, pale, food-contact, or white systems often need a tighter package than dark industrial products.<\/li>\n<li><strong>Check the real aging condition:<\/strong> heat, UV, humidity, and outdoor exposure can each change which stabilizer route is commercially strongest.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/cas-270586-78-2\/\">CHLUMINIT TMO<\/a>:<\/strong> A valuable comparison point when lower yellowing or TPO-replacement discussions matter.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/light-stabilizer-123-tinuvin-123-cas-129757-67-1\/\">CHLUMILS UV-123<\/a>:<\/strong> A strong HALS reference for weatherability-focused screens in coatings and polymers.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/uv-5151-cas-104810-48-2\/\">CHLUMILS UV-5151<\/a>:<\/strong> A practical stabilizer-package reference when broader light-aging protection is needed.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/light-stabilizer-770-tinuvin-770-cas-52829-07-9\/\">CHLUMILS UV-770<\/a>:<\/strong> A familiar HALS benchmark when weatherability and appearance retention are under review.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why are stabilizer packages often stronger than a single additive?<\/strong><br \/>Because different products can protect different parts of the degradation pathway, so the package often covers more risk than one grade alone.<\/p>\n<p><strong>Does adding more antioxidant or UV stabilizer always improve performance?<\/strong><br \/>Not necessarily. Over-dosing can increase cost and sometimes create side effects, so most systems perform best inside a tested dosage window.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>UV absorbers and light stabilizers are effective in slowing down the light aging behavior of cured coatings. The addition of various suitable UV absorbers and light stabilizers to coating formulations<\/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-6172","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>What is the light aging protection of UV absorbers for coatings? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"UV absorbers and light stabilizers are effective in slowing down the light aging behavior of cured coatings. The addition of various suitable UV absorbe...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/zh\/what-is-the-light-aging-protection-of-uv-absorbers-for-coatings\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the light aging protection of UV absorbers for coatings? - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"UV absorbers and light stabilizers are effective in slowing down the light aging behavior of cured coatings. 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