阐述了适于弹性纤维熔融纺丝的聚合物聚氨酯和聚醚酯的结构特点；
The structural characteristics of the polymer feedstock, polyurethane and polyether ester, practicable for elastic fiber melt spinning were described.
阐述了适于弹性纤维熔融纺丝的聚合物聚氨酯和聚醚酯的结构特点；
The structural characteristics of the polymer feedstock, polyurethane and polyether ester, practicable for elastic fiber melt spinning were described.
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