Hydrosilylation cross-linking of thermoplastic elastomer

Details Hydrosilylation cross-linking of thermoplastic elastomer Hydrosilylation cross-linking of thermoplastic elastomer

C - Chemistry, Metallurgy

08

F

C08F 8/00 (2006.01) C08F 8/42 (2006.01) C08L 23/10 (2006.01) C08L 23/16 (2006.01) C08L 47/00 (2006.01) C08L 83/05 (2006.01) C08L 95/00 (2006.01)

Patent

CA 2281632

In the preparation of thermoplastic elastomers by hydrosilylation cross- linking of the elastomeric component, the use of an elastomer containing a non- conjugated diene and having a Mooney viscosity within the MST range of 45 to 100 provides products with a high level of cross-linking and an improved combination of physical properties. This improvement is obtained even at low concentrations of hydrosilylation catalyst.

Dans la préparation d'élastomères thermoplastiques par réticulation par hydrosilylation du composant élastomère, l'utilisation d'un élastomère contenant un diène non conjugué et ayant une consistance Mooney comprise dans la plage MST allant de 45 à 100 fournit des produits ayant un niveau élevé de réticulation et une meilleure combinaison de leurs propriétés physiques. Cette amélioration est obtenue même à de faibles concentrations du catalyseur d'hydrosilylation.

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