Rigid PVC blend composition
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United States of America Patent
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Dec 8, 2009
Grant Date -
Dec 13, 2007
app pub date -
Jun 8, 2006
filing date -
Jun 8, 2006
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Abstract
A composition is disclosed that comprises rigid PVC and from about 0.1 to about 10 phr of an EPM copolymer. The compositions optionally also include one or several additives selected from lubricants, impact modifiers, process aids, fusion promoters, heat stabilizers, co-stabilizers, fillers, pigments, antioxidants, UV absorbers, antistats, metal release agents, and plasticizers. The EPM is particularly useful as a PVC gloss reducing agent and additive enhancing agent for such polymer additives, particularly lubricants, heat stabilizers, UV absorbers, and pigments.
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