This paper discussed the synthesis,blocking and unblocking of polyurethane as well as the effect of blocked polyurethane reacting with fiber hydroxyl on its performance for improving paper strength.
英
美
释义
讨论了聚氨酯(PU)的合成、“封闭”、“解封”以及聚氨酯与纤维羟基之间的反应对封闭型水性聚氨酯纸张的增强作用;
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