POLYVINYL CHLORIDE RESIN COMPOSITION AND MANUFACTURING METHOD THEREOF
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United States of America Patent
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Issued Date -
Jun 2, 2011
app pub date -
Jun 15, 2009
filing date -
Jun 18, 2008
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Abandoned
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Abstract
A polyvinyl chloride resin composition contains: from 0.005 to 5 parts by weight of a vinyl alcohol-based polymer having a degree of saponification of not less than 30 mol % and less than 75 mol % and having a viscosity average degree of polymerization of less than 300; and from 0.01 to 5 parts by weight of a zinc compound, based on 100 parts by weight of a polyvinyl chloride resin. A polyvinyl chloride resin composition is thereby provided that is good in thermal stability while being shaped and with which a shaped article of excellent transparency can be obtained.
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