Filled olefin polymer compositions having improved...

C - Chemistry – Metallurgy – 08 – L

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C08L 23/10 (2006.01)

Patent

CA 2551792

Filled olefin polymer concentrates having improved mechanical properties and scratch resistance comprising: A. about 1.0 to about 40.0 wt% of an oxidized olefin polymer material; B. about 0.5 to about 40.0 of a maleated polypropylene; and C. about 7.0 to about 80.0 wt% of a filler chosen from fiberglass, carbon fibers, graphite fibers, whiskers, metal fibers, aramides, talc, wollastonite, calcium carbonate, mica, glass microspheres, ceramic microspheres, glass wool, rock wool, stainless steel wool, steel wool, gypsum, alumina, alumina-silica, silica, and mixtures thereof; wherein the sum of components A + B+ C is equal to 100 wt%.

L'invention concerne des concentrés de polymères oléfines remplis possédant des propriétés mécaniques améliorées et une résistance aux rayures améliorée et renfermant: A. entre environ 1,0 et environ 40.0 % en poids d'un matériau polymère oléfine oxydé; B. entre environ 0,5 et environ 40.0 d'un polypropylène maléaté; et C. entre environ 7,0 et environ 80,0 % en poids d'un élément de remplissage choisi parmi des fibres de verre, des fibres de carbone, des fibres de graphite, des trichites, des fibres métalliques, des aramides, du talc, des wollastonites, du carbonate de calcium, des micas, des microsphères de verre, des microsphères de céramique, de la laine de verre, de la laine minérale, de la laine d'acier inoxydable, de la laine d'acier, du gypse, de l'alumine, de l'alumine-silice, de la silice et des mélanges de ceux-ci; la somme des composants A + B+ C étant égale à 100 % en poids.

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