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US 2003/0143910 A1Published application
Carpet backings prepared from vegetable oil-based polyurethanes
OwnerLarry E. Mashburn, William H. Harrison +1inventors
InventorsLarry E. Mashburn, William H. Harrison, Thomas E. Patterson
Life of this patent
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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.
Claims35
A textile having at least one adherent polyurethane backing, said backing being 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.
Dependencies are inferred from the claim text.