Compatible polyvinylidene fluoride blends with polymers containing imide moieties
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United States of America Patent
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Sep 28, 1999
Grant Date -
N/A
app pub date -
Apr 1, 1998
filing date -
Apr 1, 1998
priority date (Note) -
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Abstract
A compatible blend of superior mechanical strength, hardness and abrasion or mar resistance comprising PVDF and a compatible organic polymer containing one or more imide groups. The alloy consisting of PVDF and a polymer containing imide groups is prepared by dissolving, separately, the PVDF and polymer in a solvent and blending the solutions to provide the required composition. The alloy can also be prepared by dispersing PVDF powder in a solution of polymer containing imide groups. After heating and drying, a homogeneous alloy is formed. In addition, melt extrusion of PVDF with the imide-containing polymer also generates the desired PVDF alloy.
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