Stability improvement of aluminum hydroxide in PVC compound
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United States of America Patent
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Jun 23, 2009
Grant Date -
Jan 19, 2006
app pub date -
Aug 9, 2005
filing date -
Jan 4, 2002
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Expired
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Abstract
An aluminum hydroxide composition is disclosed, having diminished tendency to cause discoloration on heating at 177° C. of a plastic composition whose major polymeric component is polyvinyl chloride, comprising aluminum hydroxide and an amount, effective in diminishing discoloration, of at least one inorganic perchlorate salt selected from the group consisting of alkali metal perchlorates and alkaline earth metal perchlorates.
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