Heat stabilization of PVC compositions containing a mixed metal stabilizer and a C.sub.1 -C.sub.8 dialkyltin oxide
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United States of America Patent
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Oct 1, 1996
Issued Date -
N/A
app pub date -
May 24, 1995
filing date -
Jun 1, 1994
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Expired
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Abstract
A method of stabilizing vinyl halide resin composition such as PVC by incorporating a mixed zinc/alkaline earth metal carboxylate stabilizer for said resin, a hydrotalcite and dibutyltin oxide in an amount to confer heat stability to said composition.
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