HOLLOW ARTICLES COMPRISING FIBER-FILLED POLYESTER COMPOSITIONS, METHODS OF MANUFACTURE, AND USES THEREOF
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United States of America Patent
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Issued Date -
Oct 4, 2012
app pub date -
Apr 1, 2011
filing date -
Apr 1, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hollow molded article is obtained by molding a thermoplastic polyester composition comprising a blend of reinforcing fiber glass, polybutylene terephthalate with a melting point of 210 to 230° C. and polyethylene terephthalate with a melting point of 240 to 260° C., wherein at least 10% of the outer surface of the article has a continuous glossy region with a gloss of at least 75 gloss units, as measured at 60 degrees in accordance with ASTM D523 and wherein the gloss varies from the average less than 10 gloss units in the glossy region. A gas-assisted injection molding process is also disclosed for making such hollow molded articles, which articles can have various uses, including handles for appliances or the like.
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