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US 11,578,027 B2Granted
Method for producing a polyurethane polymer
AssigneeMilliken & Company
InventorsChunping Xie, Zhaolin Zhou, Xiaodong Zhao, Hong Chen
Life of this patent
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Abstract
A method for producing a polyurethane polymer comprises the steps of: (a) providing a polyol composition, the polyol composition comprising (i) a polyol, (ii) a polyethylenimine compound; and (iii) a bisulfite compound, (b) providing an isocyanate compound; (c) providing a catalyst; (d) combining and reacting the polyol composition, the isocyanate compound, and the catalyst to produce a polyurethane polymer.
Claims9
A method for producing a polyurethane polymer comprising the steps of:
- (a) providing a polyol composition, the polyol composition comprising:
- (i) a polyol,
- (ii) a polyethylenimine compound;
- and
- (iii) a bisulfite compound;
- (b) providing an isocyanate compound;
- (c) providing a catalyst;
- (d) combining and reacting the polyol composition, the isocyanate compound, and the catalyst to produce a polyurethane polymer.
5 more elements
Dependencies are inferred from the claim text.