The polyether-based PUU shows the better phase separation than polyester-based with the same molecular weight of soft segment.
在软链段分子量相同时，聚醚为基础的PUU的相分离程度较聚酯为基础的PUU高。
The polyether-based PUU shows the better phase separation than polyester-based with the same molecular weight of soft segment.
在软链段分子量相同时，聚醚为基础的PUU的相分离程度较聚酯为基础的PUU高。
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