{"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\/fr\/key-application-areas-and-typical-problem-solutions-for-chemical-crosslinking-agents\/","title":{"rendered":"Principaux domaines d'application et solutions typiques aux probl\u00e8mes pos\u00e9s par les agents de r\u00e9ticulation chimiques"},"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 <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 >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 >500 per cent\r\n\r\nCytocompatibility >95%\r\n\r\nMedical catheters:\r\n\r\nPeroxide cross-linked silicone rubber\r\n\r\nTear strength >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 > 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 >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

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Related product references:<\/strong> For formulation review or sourcing comparison, see CHLUMIAO HO-17\/17EH<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

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…<\/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":"\nKey application areas and typical problem solutions for chemical crosslinking agents - Changhong Chemical<\/title>\n<meta name=\"description\" content=\"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%...\" \/>\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\/fr\/key-application-areas-and-typical-problem-solutions-for-chemical-crosslinking-agents\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Key application areas and typical problem solutions for chemical crosslinking agents - 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