Wacker Chemie’s new silicone additive for thermoplastic polyurethanes (TPU), named Genioplast Pellet 345, lowers the hardness of TPUs, while boosting their elasticity and enhancing their properties. The surfaces of molded parts modified with the additive are pleasantly soft to the touch and more resistant to scratches, abrasion and contamination. The new additive is readily incorporated into thermoplastic polyurethanes and has fewer undesirable secondary effects than conventional silicone products.
Genioplast Pellet 345 can also be used for modifying other thermoplastic elastomers as well, for example the product, can markedly boost the properties of thermoplastic polyamide and copolyester elastomers.
Genioplast Pellet 345 is a silicone copolymer and is processed like a thermoplastic. Organic polymer segments contained within Genioplast Pellet 345 make it so compatible with thermoplastic polyurethanes that it disperses very finely and homogeneously throughout the polyurethane matrix. The copolymer becomes physically bound to the matrix and is therefore unable to migrate. In Europe, Genioplast Pellet 345 is authorised for food-contact applications.
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