Polyurethane and polyurethane/urea heat-cured and moisture-cured elastomers with improved physical properties
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United States of America Patent
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Jul 16, 2002
Issued Date -
N/A
app pub date -
Jan 19, 2000
filing date -
Dec 5, 1997
priority date (Note) -
Expired
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Abstract
Elastomers with improved physical properties, particularly hardness, resilience, tear strength, and compression set, may be prepared by the chain extension or moisture cure of isocyanate-terminated prepolymers prepared from a polyol component comprising a high molecular weight, low unsaturation polyoxypropylene diol and a low molecular weight diol. The elastomers are useful for applications such as rollers and other applications for which these physical properties are important.
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