FIBER-REINFORCED POLYPROPYLENE RESIN COMPOSITION AND MOLDED ARTICLE THEREOF
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United States of America Patent
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Aug 28, 2014
app pub date -
Sep 6, 2012
filing date -
Sep 8, 2011
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Abstract
The present invention is to provide a fiber reinforced polypropylene resin composition which has low shrinkage, excellent grain transferability, flaw resistance and moulded appearance, can provide a moulded article having a smooth and soft tactile sensation on the surface thereof without foaming and has high rigidity, high impact strength and high heat resistance, as well as a method for producing the same and a moulded article thereof. These are implemented by a fiber reinforced polypropylene resin composition containing a propylene-ethylene block copolymer which satisfies four requirements such as sequential polymerization with a metallocene catalyst, a specific fiber and optionally a specific modified polyolefin, a thermoplastic elastomer which satisfies two requirements such as MFR, a specific propylene polymer resin and a specific fatty acid amide.
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