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水溶性聚氨酯WPU是由水溶性聚醚和多异氰酸酯反应生成预聚体,再加入适当的溶剂制成。现有WPU-I和WPU-Ⅱ两个品
Water-soluble polyurethane WPU is a water-soluble polyether and polyisocyanate reaction prepolymer, and then add the appropriate solvent. Existing WPU-I and WPU-Ⅱ two products