每个亲水链段包含酸基。
研究了PEG的相对分子质量、亲水链段的质量分数与抗静电剂效果之间的关系；
The effects of PEG relative molecular mass and hydrophilic segment content on the antistatic performance of the product were investigated.
实验采用二异氰酸酯与聚醚二元醇、亲水扩链剂反应合成水性聚氨酯。
In the experiment, di-isocyanate, polyether diol and a hydrophilic chain-extender were used to synthesize aqueous urethane.
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