Internally plasticized polyvinyl halide compositions and articles prepared therefrom
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United States of America Patent
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Jun 4, 1991
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N/A
app pub date -
Aug 3, 1989
filing date -
Aug 3, 1989
priority date (Note) -
Expired
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Abstract
An internally plasticized polyvinyl halide composition is prepared by polymerizing a vinyl halide in the presence of a reactive polyester plasticizer having terminal groups copolymerizable therewith. The reactive polyester acts as an internal plasticizer for the polyvinyl halide composition and is not readily extactable therefrom.
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