Carpet backings prepared from vegetable oil-based polyurethanes
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United States of America Patent
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Issued Date -
Jul 31, 2003
app pub date -
Jan 31, 2002
filing date -
Jan 31, 2002
priority date (Note) -
Abandoned
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Abstract
A carpet backing prepared from a polyurethane forming composition which comprises: (A) a polyisocyanate and (B) a mixture of a vegetable oil, a cross-linking agent comprised of a multi-functional alcohol present in a ratio to said vegetable oil such that there are at least 0.7 moles of OH groups per mole of bulk vegetable oil, a catalyst, and a blowing agent.
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