Polypropylene molding composition and process for its preparatio

Details Polypropylene molding composition and process for its preparatio Polypropylene molding composition and process for its preparatio

1975-04-07

1976-12-21

Holler, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260897A, C08F29708, C08L 2312

Patent

active

039989119

ABSTRACT:
A polypropylene molding composition having an excellent impact strength at a temperature down to -60.degree. C and simultaneously a good hardness contains from 70 to 90% by weight of a polypropylene, 2 to 10% by weight of an ethylene propylene copolymer and 8 to 25% by weight of a polyethylene and is distinguished by a melt index MFI 230/5 lower than that of the polypropylene contained therein and simultaneously higher by the coefficient 1.3 to 7.0 than that of a polypropylene prepared in the presence of the same catalyst as the molding composition and having the same RSV.

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