Method of manufacture of thermoplastic elastomer compounds

Details Method of manufacture of thermoplastic elastomer compounds Method of manufacture of thermoplastic elastomer compounds

C - Chemistry, Metallurgy

08

L

400/1103

C08L 9/06 (2006.01) C08L 15/02 (2006.01) C08L 23/00 (2006.01) C08L 23/02 (2006.01) C08L 23/16 (2006.01) C08L 23/28 (2006.01)

Patent

CA 1282886

ABSTRACT (A) polypropylene (10-90 weight part), (B) halogen- ated butyl rubber (90-10 weight part, (A) + (B) = 100 weight part), (C) olefinic rubber (10-120 weight part) and (D) mineral oil softening agent (5-120 weight part) are heated in the presence of (E) metal oxide and/or metal chloride. To 100 weight part of the resulting composition are added, (F) polyolefin (100-600 weight part) and (G) vulcanizable olefinic rubber (50-500 weight part) and the components are mixed and heated in the presence of (H) organic peroxide. The resulting thermoplastic elastomer composition has good paintability, moldability, compatibility, low temperature impact strength, and especially high stiffness at elevated temperature.

530926

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