Polypropylene resin composition
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United States of America Patent
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Feb 10, 2004
Grant Date -
Dec 19, 2002
app pub date -
Nov 6, 2001
filing date -
Mar 8, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a polypropylene resin composition and more particularly, to the polypropylene resin composition comprising: (A) a propylene polymer comprising a propylene-ethylene copolymer having a certain limit viscosity alone and/or a propylene homopolymer having a certain pentad fraction (% mmmm); (B) an ethylene-.alpha.-olefin copolymer rubber comprising ethylene-propylene copolymer rubber and ethylene-.alpha.-olefin copolymer; (C) a styrene copolymer rubber; (D) a polypropylene modified with polar group-containing resin or a polyolefin polyol; and (E) an inorganic filler.
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