POLYPROPYLENE RESIN COMPOSITIONS
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United States of America Patent
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Issued Date -
Aug 14, 2008
app pub date -
Dec 10, 2007
filing date -
Feb 13, 2007
priority date (Note) -
Abandoned
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Abstract
The present invention provides a polypropylene resin composition prepared by mixing a polypropylene master batch, a high crystalline polypropylene, an ethylene-styrene copolymer rubber, an ethylene-.alpha.-olefin rubber and an inorganic filler. The polypropylene resin produced has reduced swirl marks, superior melting tension, fluidity, foaming magnitude, impact resistance, and cooling rate, and is useful for construction of vehicle interior parts.
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