Heat/color stabilized polymers of vinyl chloride
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United States of America Patent
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Oct 16, 1990
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N/A
app pub date -
Jul 21, 1989
filing date -
Mar 30, 1982
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Expired
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Abstract
Vinyl chloride based polymers are heat/color stabilized by formulating therewith a stabilizing amount of (i) at least one organozinc derivative, (ii) at least one organic derivative of a metal from Group IIa of the Periodic Table, and (iii) at least one thiomalic acid diester.
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