C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 33/12 (2006.01) B29C 47/00 (2006.01) B29C 49/02 (2006.01) B29C 51/00 (2006.01) C08J 3/24 (2006.01) C08K 3/00 (2006.01) C08L 25/00 (2006.01) C08L 33/00 (2006.01) C08L 53/00 (2006.01)
Patent
CA 2293292
Composite plastics compositions based on the dispersion of selected cross- linked polymers in certain thermoplastic matrices are disclosed. The composite compositions are readily formed and processed by thermal extrusion processes versus conventional casting processes. Preferred composite plastics compositions based on cross-linked poly(alkyl (meth)acrylate) polymers and modified poly(alkyl (meth)acrylate) thermoplastics are especially useful in the preparation of synthetic architectural materials having a mineral-like appearance, such as that of granite.
L'invention concerne des compositions de plastique composites basées sur la dispersion de polymères réticulés sélectionnés dans certaines matrices thermoplastiques. Ces compositions sont formées et traitées directement par des procédés d'extrusion thermique, et non pas par les procédés de coulage classiques. Les compositions de plastique composites préférées, basées sur des polymères réticulés de poly(alkyl(méth)acrylate) et des polymères thermoplastiques modifiés de poly(alkyl(méth)acrylate), sont particulièrement utiles pour préparer des matériaux architecturaux synthétiques ayant un aspect minéral, celui du granite par exemple.
Keating Paul Joseph
Yang Shijun
Atofina
Elf Atochem S.a.
Mccarthy Tetrault Llp
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