| 摘要 |
PROBLEM TO BE SOLVED: To obtain a urethane composition for molding a belt, containing a reduced amount of a mixed DOP or no DOP without damaging the characteristics of the produced belt made from a polyurethane. SOLUTION: This urethane composition for molding the belt, usable for producing the belt made from the polyurethane by casting the composition in a mold for molding the belt, and carrying out the curing reaction thereof is obtained by mixing a citric ester-based compound with a urethane prepolymer obtained by the synthesis from a polyol and a polyisocyanate.
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