FOAMABLE MASTERBATCH AND POLYOLEFIN RESIN COMPOSITION WITH EXCELLENT EXPANDABILITY AND DIRECT METALLIZING PROPERTY
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United States of America Patent
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Issued Date -
Feb 9, 2017
app pub date -
Dec 15, 2015
filing date -
Aug 7, 2015
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Abstract
The present disclosure provides a masterbatch prepared by melting and extruding a mixture including a polyolefin resin, wherein the mixture includes 10 to 89% by weight of a polyolefin resin, 5 to 30% by weight of a chemical blowing agent, 5 to 30% by weight of thermally expandable microcapsule, and 1 to 30% by weight of an inorganic filler. In addition, the present disclosure provides a polyolefin resin composition with excellent expandability and direct metallizing property, which includes the foamable masterbatch. A molded article obtained by foam injection molding of the polyolefin resin composition according to one form of the present disclosure can be useful in satisfying uniform distribution and mechanical properties of foamed cells so that the molded article can be widely applied to parts for automobile interior/exterior materials, and also improving fuel efficiency of automobiles by achieving lightweight parts.
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