Resin compositions, method of producing resin compositions...

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

C08K 3/34 (2006.01) C08K 3/36 (2006.01)

Patent

CA 2349489

The present invention relates to thermoplastic resin compositions, particularly polyolefines, polyvinylchloride and polyamide. The thermoplastic resin compositions contain between 3 and 400 % by weight of filler based on the weight of the resin, said filler comprising talc and microsilica where the weight ratio between talc and microsilica is between 15:1 and 1:15. The invention further relates to a method for the production of thermoplastic resin compositions, and to a filler blend for use in thermoplastic resins, said blend containing talc and microsilica in a weight ratio between 15:1 and 1:15.

La présente invention concerne des compositions de résines thermoplastiques, notamment des polyoléfines, polychlorures de vinyle, et polyamides. Ces compositions de résines thermoplastiques renferment entre 3 et 400 % en poids d'une charge, par rapport au poids de la résine, ladite charge comprenant du talc et de la microsilice selon un rapport en poids compris entre 15:1 et 1:15. L'invention concerne également un procédé de production de ces compositions de résines thermoplastiques, et un mélange de charges destiné à être utilisé dans les résines thermoplastiques, ledit mélange renfermant du talc et de la microsilice dans un rapport en poids compris entre 15:1 et 1:15.

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