Stabilization system for halogen-containing polymers
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United States of America Patent
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Oct 16, 2007
Grant Date -
Feb 24, 2005
app pub date -
Aug 19, 2003
filing date -
Aug 19, 2003
priority date (Note) -
Expired
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Abstract
A method is disclosed for stabilizing a halogen-containing polymer wherein the method comprises adding to said polymer a thermally stabilizing amount of a mixture comprising at least one polyalkylene glycol and at least one metal salt of a strong acid selected from the group consisting of perchloric acid, trifluoroacetic acid, trifluoromethanesulfonic acid, alkylsulfuric acid, phosphotungstic acid, HPF.sub.6, HBF.sub.4, and HSbF.sub.6.
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