Elastomers from compositions comprising rigid thermoplastic polyurethane
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United States of America Patent
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Sep 18, 2001
Grant Date -
N/A
app pub date -
Feb 8, 1999
filing date -
Feb 9, 1998
priority date (Note) -
Expired
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Abstract
Compositions comprising (A) a rigid thermoplastic polyurethane not having a major glass transition temperature (T.sub.g) of less than 60.degree. C. and (B) a rubber-like material having a T.sub.g of less than 20.degree. C., wherein the weight ratio (A):(B) is at most 85:15.
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