研究了聚乙二醇分子量和含量对TPU的结构和性能的影响，提出了在TPU软段中引入PEG可以改善其与硝酸酯的混溶能力。
The effect of molecular weight and content of PEG in soft segment on morphology and properties of TPU was studied.
研究了聚乙二醇分子量和含量对TPU的结构和性能的影响，提出了在TPU软段中引入PEG可以改善其与硝酸酯的混溶能力。
The effect of molecular weight and content of PEG in soft segment on morphology and properties of TPU was studied.
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