Polyamide/polyolefin blends

Details Polyamide/polyolefin blends Polyamide/polyolefin blends

C - Chemistry, Metallurgy

08

L

C08L 77/00 (2006.01) C08L 23/06 (2006.01) C08L 23/12 (2006.01) C08L 51/06 (2006.01)

Patent

CA 2119858

Blends of a polyamide and an olefin polymer such as polyethylene or polypropylene are compatibilized and toughened with a carboxylic acid (or derivative thereof) grafted olefin polymer such as polypropylene; either alone or in combination with a carboxylic acid (or derivative thereof) grafted ethylene-propylene-diene polymer. Delamination of the surface layer of injected molded articles made from these blends is improved by keeping the melt viscosity of the polyamide low relative to the viscosity of the unmodified polyolefin and preferably the other components as well.

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