{"id":8594,"date":"2025-05-14T08:52:35","date_gmt":"2025-05-14T08:52:35","guid":{"rendered":"https:\/\/changhongchemical.com\/?p=8594"},"modified":"2026-04-27T11:15:59","modified_gmt":"2026-04-27T11:15:59","slug":"key-application-areas-and-typical-problem-solutions-for-chemical-crosslinking-agents","status":"publish","type":"post","link":"https:\/\/changhongchemical.com\/zh\/key-application-areas-and-typical-problem-solutions-for-chemical-crosslinking-agents\/","title":{"rendered":"\u5316\u5b66\u4ea4\u8054\u5242\u7684\u4e3b\u8981\u5e94\u7528\u9886\u57df\u548c\u5178\u578b\u95ee\u9898\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"1.Key application areas\r\nRubber Industry:\r\n\r\nTyre vulcanisation:\r\n\r\nSulphur + accelerator (CBS 1.2phr + S\u2088 2.5phr)\r\n\r\nCrosslink density: 4\u00d710-\u2074 mol\/cm\u00b3\r\n\r\n30% reduction in dynamic heat generation\r\n\r\nSealing products:\r\n\r\nPeroxide vulcanised EPDM (DCP 1.5%)\r\n\r\nCompression permanent deformation &lt;20% (150\u2103\u00d770h)\r\n\r\nPlastic modification:\r\n\r\nCross-linked polyethylene (XLPE):\r\n\r\nSilane grafting method (VTMS 2% + catalyst)\r\n\r\nTemperature resistance grade from 70\u00b0C \u2192 90\u00b0C\r\n\r\nBreakdown strength &gt;30kV\/mm\r\n\r\nPolypropylene foaming:\r\n\r\nRadiation crosslinking (electron beam 50kGy)\r\n\r\nBubble density\uff1e10\u2076 cells\/cm\u00b3\r\n\r\nBiomaterials:\r\n\r\nHydrogel:\r\n\r\nPhotoinitiated crosslinking (Irgacure 2959 0.1%)\r\n\r\nDissolution rate &gt;500 per cent\r\n\r\nCytocompatibility &gt;95%\r\n\r\nMedical catheters:\r\n\r\nPeroxide cross-linked silicone rubber\r\n\r\nTear strength &gt;30kN\/m\r\n\r\n2 Typical problem solutions\r\nUneven crosslinking:\r\n\r\nCause: Poor dispersion or temperature gradient\r\n\r\nCountermeasure:\r\n\r\nUse twin-screw extruder (shear rate &gt; 500s-\u00b9)\r\n\r\nTemperature rise in stages (e.g. 120\u00b0C \u2192 160\u00b0C step vulcanisation)\r\n\r\nSide reaction control:\r\n\r\nPeroxide system pre-crosslinking:\r\n\r\nAddition of TAIC (Triallyl Isocyanurate) 1 per cent.\r\n\r\nCoking time extended to &gt;10min (160\u00b0C)\r\n\r\nInsufficient cross-linking:\r\n\r\nSilane cross-linked polyethylene:\r\n\r\nIncrease hydrolysis temperature to 90\u00b0C\r\n\r\nAdd dibutyltin dilaurate (0.1%)\r\n<h1><strong><b>\u7acb\u5373\u8054\u7cfb\u6211\u4eec\uff01<\/b><\/strong><\/h1>\r\n<h4><strong><b>\u5982\u679c\u60a8\u9700\u8981\u4ef7\u683c\uff0c\u8bf7\u5728\u4e0b\u8868\u4e2d\u586b\u5199\u60a8\u7684\u8054\u7cfb\u4fe1\u606f\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u5728 24 \u5c0f\u65f6\u5185\u4e0e\u60a8\u8054\u7cfb\u3002\u60a8\u4e5f\u53ef\u4ee5\u7ed9\u6211\u53d1\u7535\u5b50\u90ae\u4ef6\u00a0<span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@changhongchemical.com\">info@changhongchemical.com<\/a><\/span>\u00a0\u8bf7\u5728\u5de5\u4f5c\u65f6\u95f4\uff08UTC+8 \u5468\u4e00\u81f3\u5468\u516d\uff0c\u4e0a\u5348 8:30 \u81f3\u4e0b\u5348 6:00\uff09\u6216\u4f7f\u7528\u7f51\u7ad9\u5373\u65f6\u804a\u5929\u5de5\u5177\u83b7\u5f97\u53ca\u65f6\u56de\u590d\u3002<\/b><\/strong><\/h4>\n\n\n<p><strong>Related product references:<\/strong> For formulation review or sourcing comparison, see <a href=\"https:\/\/changhongchemical.com\/product\/chlumiao-ho-17-17eh\/\">CHLUMIAO HO-17\/17EH<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>1.Key application areas Rubber Industry: Tyre vulcanisation: Sulphur + accelerator (CBS 1.2phr + S\u2088 2.5phr) Crosslink density: 4\u00d710-\u2074 mol\/cm\u00b3 30% reduction in dynamic heat generation Sealing products: Peroxide vulcanised EPDM (DCP 1.5%) Compression permanent&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-8594","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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