Polypropylene resin composition

Details Polypropylene resin composition Polypropylene resin composition

C - Chemistry, Metallurgy

08

L

400/3062, 400/30

C08L 23/10 (2006.01) C08L 53/00 (2006.01) C08L 23/16 (2006.01)

Patent

CA 2184523

A polypropylene resin composition comprising an isotactic polypropylene component, a rubber component, and an inorganic filler component, wherein (a) the melt flow rate, according to ASTM D1238, is 20 g/10 min or more, (b) the flexural modulus, according to ASTM D790, is 2300 MPa or more, (c) the Izod impact strength, according to ASTM D256, is 180 J/m or more at 23°C and 45 J/m or more at -30°C, (d) the heat deformation temperature, according to ASTM D648, is 130°C or more, and (e) there is a diffraction peak unique to polypropylene of space group P21/c in the diffraction pattern measured by the wide angle X-ray diffraction method in an injection molded article of the composition formed under a quenching condition.

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