Thermoplastic polymer composition exhibiting improved wear

Details Thermoplastic polymer composition exhibiting improved wear Thermoplastic polymer composition exhibiting improved wear

C - Chemistry, Metallurgy

08

L

C08L 59/00 (2006.01) C08J 3/20 (2006.01) C08J 5/16 (2006.01) C08K 3/26 (2006.01) C08K 5/103 (2006.01) C08K 9/04 (2006.01) C08K 9/10 (2006.01) C08L 27/18 (2006.01)

Patent

CA 2295939

A low wear polymeric composition exhibiting improved surface wear resistance and coefficients of friction characterized as a melt blend of a thermoplastic polymer and a lubricating system containing PTFE, pentaerythritol tetrastearate and fine particle, stearate coated calcium carbonate, a hindered amine, N, N'-ethylene bis-stearamide, and calcium ricinoleate. The composition is suitable for the preparation of shaped articles for use in frictional environments.

Composition polymère résistante à l'usure présentant une résistance améliorée à l'usure de surface, ainsi que des coefficients de friction améliorés et consistant en un mélange obtenu par fusion d'un polymère thermoplastique et d'un système lubrifiant contenant PTFE, pentaérythritol tétrastéarate et des particules fines de carbonate de calcium revêtu par stéarate, une amine à empêchement, N,N'-éthylène bis-stéaramide et ricinoléate de calcium. Cette composition est appropriée à la fabrication d'articles façonnés conçus pour être utilisés dans des environnements présentant une friction.

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