{"id":8587,"date":"2025-05-14T06:21:32","date_gmt":"2025-05-14T06:21:32","guid":{"rendered":"https:\/\/changhongchemical.com\/?p=8587"},"modified":"2026-04-27T11:15:58","modified_gmt":"2026-04-27T11:15:58","slug":"mechanism-of-action-and-application-areas-of-toughening-agents","status":"publish","type":"post","link":"https:\/\/changhongchemical.com\/de\/mechanism-of-action-and-application-areas-of-toughening-agents\/","title":{"rendered":"Wirkmechanismen und Anwendungsbereiche von Z\u00e4higkeitserzeugern"},"content":{"rendered":"Mechanism of action of toughening agents\r\n1.Elastomer toughening mechanism.\r\nSilver grain-shear band theory:\r\nElastomer particles (0.1-1\u03bcm) act as stress concentration points to induce silvering\r\nSimultaneously promotes shear yielding of the matrix (energy absorption 5-10 times higher than silver grain).\r\nTypical system: HIPS (polystyrene\/butadiene rubber)\r\nCavitation mechanism:\r\nFormation of micro cavities (50-200 nm) in the rubber phase under stress.\r\nInduces plastic deformation of the substrate (e.g. PP\/EPDM systems).\r\nVolume expansion by cavitation up to 300% of the original volume\r\n\r\n2. Rigid particle toughening\r\nNano CaCO\u2083 toughening:\r\nParticle size &lt;100nm, notched impact strength increase 3-5 times\r\nOptimal additive amount 5-15wt% (surface needs silane coupling agent treatment)\r\nCore-shell structure particles:\r\nPMMA-g-PB (acrylate shell\/butadiene core)\r\nPVC notched impact strength up to 80kJ\/m\u00b2.\r\n\r\n3. Multiple mechanism synergy\r\nPOE-g-MAH toughens PA6:\r\nAt 0.8-1.2% maleic anhydride grafting ratio\r\nImpact strength increased from 6kJ\/m\u00b2 to 45kJ\/m\u00b2.\r\nWhile maintaining tensile strength &gt;50MPa\r\n\r\nKey Application Areas\r\n\r\n1.Engineering plastics modification\r\nCar bumper (PP modification):\r\nFormulation: PP 70% + POE 15% + Talc 15%.\r\nPerformance: Notched impact &gt;45kJ\/m\u00b2 (-30\u00b0C)\r\nElectrical and electronic housings (PC\/ABS):\r\nMBS 8-12% added\r\nFalling ball impact test: 1kg steel ball 1m height without rupture\r\n\r\n2.Special materials\r\nSuper tough nylon (PA66):\r\nEPDM-g-MAH 10-15%\r\nCantilever beam impact &gt;90kJ\/m\u00b2\r\nFor rail components\r\nTransparent toughened PMMA:\r\nCore-shell ACR 5-8%\r\nLight transmission &gt;92%, 3 times higher impact strength\r\n\r\n3.Composite Materials\r\nCarbon fibre reinforced epoxy resin:\r\nCTBN modified (10phr)\r\nG\u2081C upgraded from 200J\/m\u00b2 to 800J\/m\u00b2\r\nWood-plastic composites:\r\nEVA toughening agent 3-5%\r\nFlexural modulus retention &gt;85\r\n<h2><strong><b>Kontaktieren Sie uns jetzt!<\/b><\/strong><\/h2>\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-1010-cas-6683-19-8\/\">CHLUMIAO 1010<\/a> und <a href=\"https:\/\/changhongchemical.com\/product\/lcsorb-360-cas-103597-45-1\/\">CHLUMIUV 360<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Mechanism of action of toughening agents 1.Elastomer toughening mechanism. Silver grain-shear band theory: Elastomer particles (0.1-1\u03bcm) act as stress concentration points to induce silvering Simultaneously promotes shear yielding of the matrix (energy absorption 5-10&#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-8587","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 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mechanism of action and application areas of toughening agents - Changhong Chemical<\/title>\n<meta name=\"description\" content=\"Mechanism of action of toughening agents 1.Elastomer toughening mechanism. 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