实验结果表明:聚醚型水性聚氨酯的微相分离程度高于聚酯型水性聚氨酯。
The results indicated that the microphase separation degree of polyether-type waterborne polyurethanes was higher than that of polyester-type waterborne polyurethanes.
结果表明:30%的阳离子水性聚氨酯溶液加入溶液质量15%左右的封闭型异氰酸酯的胶粘剂对金属的粘接效果较好。
The results showed:The adhesive properties were good on the metal using 30% cationic waterborne polyurethane and 15% blocked isocyanates mixing.
由水分散型聚氨酯制备的改性膜的透气性高于疏水性聚氨酯膜;
The water vapor permeabilities of modified membranes made from water dispersive polyurethane were superior to those of modified hydrophobic polyurethane membranes.
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