| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyester-urethane composition using a new plasticizer suitable for a polyester polyurethane. SOLUTION: This polyester polyurethane composition is obtained by bonding polyester diol with diisocyanate and contains an ester compound obtained from a 4-6C alkyl alcohol with a polycarboxylic acid selected from the group of trimellitic acid, pyromellitic acid, citric acid and sebacic acid as a plasticizer.
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