Polyurethane and polyurethane-urea comprised of poly(trimethylene-ethylene ether) glycol soft segment
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United States of America Patent
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Sep 20, 2005
Grant Date -
Jul 1, 2004
app pub date -
Jul 17, 2003
filing date -
Aug 9, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Polyurethane or polyurethane-urea is comprised of poly(trimethylene-ethylene ether) glycol as a soft segment. The polyurethane or polyurethane-urea preferably comprises about 10 to about 90% soft segment and is prepared from: (a) poly(trimethylene-ethylene ether) glycol (b) diisocyanate; and (c) diol or diamine chain extender. The composition is particularly useful for making shaped articles.
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