Flexible overpolymers of vinyl chloride polymers on ethylene copolymers
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United States of America Patent
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Oct 8, 1991
Issued Date -
N/A
app pub date -
May 18, 1990
filing date -
Sep 9, 1988
priority date (Note) -
Expired
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Abstract
Flexible elastomers are provided having a Shore A hardness of less than or equal to about 95. In one embodiment, the elastomers are blends of an overpolymer and/or graft polymer with a plasticizer or blending agent. In another embodiment, the overpolymers are flexible without the need for a plasticizer or blending agent. These overpolymers have an ethylene copolymer substrate overpolymerized with a vinyl chloride type monomer and optionally a comonomer, including an acrylate comonomer. The elastomers are distinguished by the Shore A values and in some instances by haze values of less than or equal to about 50 percent.
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