The IR and NMR spectra of the polymers indicated that the polymer structure contained ester and ketone units in the backbone, and a cyclic acetals as side chain.
通过对该合聚物的IR和NMR谱图分析，得知该聚合物含有酯基和酮基的结构单元，以及环缩醛的侧链。
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 invention discloses a star poly-(methyl)acrylate long-chain ester polymer and a preparation method thereof.
本发明公开了一种星型聚（甲基）丙烯酸长链酯聚合物及其制备方法。
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