C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/00 (2006.01) C08J 5/00 (2006.01) C08K 3/00 (2006.01) C08L 23/02 (2006.01) C08L 23/10 (2006.01) C08L 51/00 (2006.01) C08L 51/06 (2006.01) C08L 53/00 (2006.01) C08L 53/02 (2006.01) C08L 15/00 (2006.01)
Patent
CA 2501838
A polyolefin resin blend is presented that includes a base component of a semi- crystalline polyolefin component, a propylene-based polyolefin-metal salt, and a styrenic block ionomer. Optionally, the blend includes a thermoplastic elastomer, such as a hydrogenated styrene-butadiene random copolymer. Such blends have enhanced scratch and mar resistance while still retaining acceptable impact toughness. Methods of preparing such blends, as well as resultant articles including such blends, are also part of the invention.
Un mélange de résine de polyoléfines comprend un composant de base d'un composant de polyoléfine semi-cristallin, un sel de métal de polyoléfine à base de propylène et un ionomère bloc de styrène. En variante, le mélange comprend un élastomère thermoplastique tel qu'un copolymère statistique styrène-butadiène hydrogéné. Ces mélanges présentent une meilleure résistance aux rainures et aux dégradations tout en gardant une résistance aux chocs acceptable. L'invention concerne aussi des procédés de préparation de ces mélanges ainsi que des articles obtenus par ces procédés qui comprennent ces mélanges.
Ding Ruidong
Newell Clint
Robic
Solvay (societe Anonyme)
Solvay Engineered Polymers
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