| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyurethane resin composition having abrasion resistance and heat resistance and provide a polyurethane belt produced by using the polyurethane composition. SOLUTION: The polyurethane is produced by compounding a urethane prepolymer with an amine-based curing agent or a polyol-based curing agent wherein the urethane prepolymer has a molecular weight distribution (Mw/Mn) of 2.6-2.8. COPYRIGHT: (C)2007,JPO&INPIT
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