Polypropylene resin composition

Details Polypropylene resin composition Polypropylene resin composition

C - Chemistry, Metallurgy

08

L

C08L 23/26 (2006.01) C08K 3/34 (2006.01) C08K 7/14 (2006.01) C08L 51/06 (2006.01)

Patent

CA 2064098

ABSTRACT The present invention intends to provide a polypro- pylene resin composition which permits the formation of materials having high strength and stiffness, less warpage deformation and such excellent mechanical durability that these materials can he used in the case that load is applied continuously for a long term or in the case that load is applied repeatedly. The polypropylene resin composition contains the three components of (a) 40 to 75% by weight of a modified polypropylene obtained by heating and melting a mixture prepared by adding at least (1) 0.01 to 2% by weight of an unsaturated acid, (2) 0.1 to 3% by weight of an unsaturated silane and (3) an organic peroxide to a crystalline polypropylene, (b) 10 to 35% by weight of a glass fiber, and (c) 15 to 45% by weight of a mica powder, and the components (b) and (c) are blended with the component (a) so that the total amount of the components (b) and (c) may be in the range of from 25 to 60% by weight based on the composition. :::

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