{"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\/de\/key-application-areas-and-typical-problem-solutions-for-chemical-crosslinking-agents\/","title":{"rendered":"Wichtige Anwendungsbereiche und typische Probleml\u00f6sungen f\u00fcr chemische Vernetzungsmittel"},"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>Kontaktieren Sie uns jetzt!<\/b><\/strong><\/h1>\r\n<h4><strong><b>Wenn Sie einen Preis ben\u00f6tigen, tragen Sie bitte Ihre Kontaktdaten in das unten stehende Formular ein. Wir werden uns in der Regel innerhalb von 24 Stunden mit Ihnen in Verbindung setzen. Sie k\u00f6nnen mir auch mailen\u00a0<span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@changhongchemical.com\">info@changhongchemical.com<\/a><\/span>\u00a0w\u00e4hrend der Gesch\u00e4ftszeiten ( 8:30 bis 18:00 Uhr UTC+8 Mo.~Sa. ) oder nutzen Sie den Live-Chat auf der Website, um eine schnelle Antwort zu erhalten.<\/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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