| abstract |
"POLYURETHANE POLYMER, POLYURETHANE COMPOSITION, POLYURETHANE FOAM, ADHESIVE AND COATED FIBROUS SUBSTRATE" Disclosed herein are polyurethane polymers comprising at least one polyisocyanate, a polysaccharide comprising: poly alpha-1,3-glucan; a poly alpha-1,3-glucan ester compound as disclosed herein; poly alpha-1,3-1,6-glucan; water-insoluble alpha-(1,3-glucan) polymer with 90% or more alpha-1,3-glycosidic bonds, less than 1% by weight alpha-1,3,6-glycosidic branch points, and a degree numerical average of polymerization in the range of 55 to 10,000; dextran; or a poly alpha-1,3-glucan ether compound as disclosed herein; and optionally, at least one polyol. Also disclosed are polyurethane compositions comprising the polyurethane polymer and a solvent, as well as polyurethane foams, adhesives, coatings, films and coated fibrous substrates comprising the polyurethane polymer. |