Thermoplastic aliphatic urethane/urea molding compositions

Details Thermoplastic aliphatic urethane/urea molding compositions Thermoplastic aliphatic urethane/urea molding compositions

C - Chemistry, Metallurgy

08

L

C08L 75/00 (2006.01) C08G 18/00 (2006.01)

Patent

CA 2695567

Compositions for forming molded articles, particularly, shells for automotive applications are made up of an aliphatic thermoplastic urethane/urea elastomer and, optionally, one or more copolymers, such as an olefin-containing or styrene containing copolymer. These compositions may be used to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements.

La présente invention concerne des compositions permettant de former des articles moulés, en particulier, des coques pour applications automobiles. Lesdites compositions sont constituées d'un élastomère uréthane/urée thermoplastique aliphatique et, en option, d'un ou de plusieurs copolymères, tels qu'un copolymère contenant des oléfines ou contenant du styrène. Ces compositions peuvent être utilisées pour former une poudre, des granulés, des microsphères ou des mini-perles qui peuvent ensuite être coulés pour former des revêtements de portes à coussin de sécurité gonflable et de tableau de bord qui peuvent répondre aux exigences de déploiement et de vieillissement des équipements automobiles.

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