{"id":5309,"date":"2022-06-18T13:39:18","date_gmt":"2022-06-18T13:39:18","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5309"},"modified":"2026-04-28T11:19:23","modified_gmt":"2026-04-28T11:19:23","slug":"what-is-the-role-of-plasticizers-what-is-the-mechanism-of-action","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/de\/what-is-the-role-of-plasticizers-what-is-the-mechanism-of-action\/","title":{"rendered":"Was ist die Rolle der Weichmacher? Was ist der Wirkmechanismus?"},"content":{"rendered":"<h1><strong>Was ist die Rolle der Weichmacher? Was ist der Wirkmechanismus?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> For plasticizer topics, buyers usually compare flexibility, migration behavior, processing fit, and compliance together because end-use requirements can vary sharply between food contact, flexible plastics, and general industrial products.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>In den Augen der chemischen Industrie spielen Zusatzstoffe immer nur eine Nebenrolle. Aber erfahrene Ingenieure und Techniker wissen, dass ohne gute Zusatzstoffe die Qualit\u00e4t des Materials nur schwer zu verbessern ist. Bei der Herstellung von Kunststoffen spielen Weichmacher als g\u00e4ngige Additive eine wichtige Rolle. lONGCHANG CHEMICAL gibt eine detaillierte Einf\u00fchrung in die Rolle der Weichmacher.<\/p>\n<p>&nbsp;<\/p>\n<p>Weichmacher sind schwerfl\u00fcchtige Stoffe, die Kunststoffen zugesetzt werden, um ihre Plastizit\u00e4t und Flexibilit\u00e4t zu erh\u00f6hen.<\/p>\n<p>Die Hauptaufgabe von Weichmachern besteht darin, die zwischenmolekularen Kr\u00e4fte des Polymers zu schw\u00e4chen, die Schmelztemperatur und die Viskosit\u00e4t der Schmelze zu verringern, die Formgebungs- und Verarbeitungseigenschaften zu verbessern, den Temperaturbereich zu nutzen und den Kunststoffprodukten Flexibilit\u00e4t und eine Vielzahl anderer notwendiger Eigenschaften zu verleihen.<\/p>\n<p>Die weichmachende Wirkung wird durch die Schw\u00e4chung der Aggregation zwischen den makromolekularen Ketten im Polymermaterial verursacht. Das Einf\u00fcgen von Weichmachermolek\u00fclen zwischen Polymermolek\u00fclketten schw\u00e4cht die Kr\u00e4fte zwischen Polymermolek\u00fclketten und erh\u00f6ht dadurch die Beweglichkeit der Polymermolek\u00fclketten und verringert die Kristallinit\u00e4t der Polymermolek\u00fclketten, wodurch die Plastizit\u00e4t des Polymers erh\u00f6ht wird. Insbesondere werden die Weichmachermolek\u00fcle zwischen die Polymermolek\u00fcle eingef\u00fcgt, wodurch die intermolekularen Kr\u00e4fte geschw\u00e4cht werden und somit eine Plastifizierung erreicht wird.<\/p>\n<p>Weichmacher sind in der Regel eine Fl\u00fcssigkeit mit hohem Siedepunkt und geringer Fl\u00fcchtigkeit oder ein Feststoff mit niedrigem Schmelzpunkt, wobei die meisten Molek\u00fcle polare und unpolare Teile aufweisen.<\/p>\n<p>Der polare Teil besteht h\u00e4ufig aus polaren Gruppen, der unpolare Teil aus Alkylgruppen mit einer bestimmten L\u00e4nge und einem bestimmten Volumen. Bei den polaren Gruppen handelt es sich haupts\u00e4chlich um Estergruppen, Chloratome und Epoxidgruppen.<\/p>\n<p>Verbindungen, die verschiedene polare Gruppen enthalten, haben unterschiedliche Eigenschaften, wie z. B. Phthalatester mit guter Vertr\u00e4glichkeit, Weichmacherwirkung und umfassender Leistung; Phosphatester und Chloride mit Flammschutzwirkung; Epoxide und Dipentaerythritolester mit guter Hitzebest\u00e4ndigkeit; aliphatische zweibasige S\u00e4ureester mit ausgezeichneter K\u00e4ltebest\u00e4ndigkeit; Phenylalkylsulfonatester mit guter Witterungsbest\u00e4ndigkeit; Citratester und Acetylcitratester mit antibakteriellen Eigenschaften usw.<\/p>\n<p>Das Molekulargewicht von Weichmachern wirkt sich haupts\u00e4chlich auf die Haltbarkeit, die Weichmacherwirkung und die Kompatibilit\u00e4t aus. Um eine gute Haltbarkeit zu erreichen, sollte das Molekulargewicht der Weichmacher mehr als 350 betragen, und ein Molekulargewicht von mehr als 1000 Polyester- und Benzolpolys\u00e4ureester (wie z. B. Trimellitat) haben eine sehr gute Haltbarkeit, sie werden meist in Dr\u00e4hten und Kabeln, dekorativen Produkten f\u00fcr den Automobilinnenraum und einigen so genannten permanent plastifizierten Produkten verwendet.<\/p>\n<p>Kunststoffe mit dem idealen Weichmacher sollten folgende Eigenschaften aufweisen: gute Kompatibilit\u00e4t mit dem Harz, hohe Plastifizierungseffizienz, Haltbarkeit, K\u00e4ltebest\u00e4ndigkeit, Stabilit\u00e4t, Isolierung; ungiftig; ausgezeichnete Verarbeitbarkeit, flammhemmend sowie kosteng\u00fcnstig und leicht zu beschaffen.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>How buyers usually evaluate plasticizers and flexibility modifiers<\/h2>\n<p>Plasticizer sourcing usually goes more smoothly when the end-use exposure, migration limit, and processing route are reviewed before price negotiations. That usually gives a clearer answer on whether a phthalate, terephthalate, or citrate route is commercially strongest.<\/p>\n<ul>\n<li><strong>Start from the end-use requirement:<\/strong> food contact, toys, medical, and general industrial plastics need different screening priorities.<\/li>\n<li><strong>Review migration and permanence:<\/strong> flexibility alone is not enough if the application is sensitive to extraction, volatility, or long-term loss.<\/li>\n<li><strong>Check process fit:<\/strong> compatibility, viscosity effect, and thermal stability often decide whether a plasticizer is easy to scale.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/de\/product\/acetyl-tributyl-citrate-cas-77-90-7\/\">CHLUMIFLEX ATBC<\/a>:<\/strong> A practical non-phthalate plasticizer reference for food-contact and compliance-sensitive discussions.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/de\/product\/dotp-cas-6422-86-2\/\">CHLUMIFLEX DOTP<\/a>:<\/strong> A common terephthalate-plasticizer benchmark when balancing processability, migration profile, and compliance needs.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/de\/product\/dbp-dibutyl-phthalate-cas-84-74-2\/\">CHLUMIFLEX DBP<\/a>:<\/strong> A conventional plasticizer comparison point when historical formulation routes or substitution choices are being reviewed.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why is a lower-cost plasticizer not always the better sourcing choice?<\/strong><br \/>Because compliance, migration profile, and process stability can quickly outweigh the unit-price difference.<\/p>\n<p><strong>Should plasticizer selection be based on flexibility only?<\/strong><br \/>Usually no. The strongest choice also needs to match migration expectations, thermal behavior, and the real end-use standard.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>In the eyes of the chemical industry, additives are always a supporting role. But experienced engineers and technicians know that without good additives with, the quality of the material is<\/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-5309","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 role of plasticizers? 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