Liguid hydroxy terminatied polyester(component A) and isocynate terminated polyurethane of castor oil(component B) were polymerized.

 
  • 合成了液体端羟基聚酯(甲组份)和端异氰酸酯基蓖麻油氨基甲酸酯预聚体(乙组份)。
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