Through the analysis of the necessity of the water-proof dope of bridge pavement, discussion is made on the performance of the macromolecule polymer dope.
从高等级公路桥梁桥面防水的必要性入手，介绍了高分子聚合物防水涂料的性能要求及施工方法。
The effects of PAN polymer and spinning dope on precursor and elaborates the features of dry-wet spinning process and its effects on fiber's physical and mechanical properties are also described.
叙述了PAN聚合体及纺丝原液对原丝质量的影响，并论述了干湿法纺丝工艺的特点及对纤维物理机械性能的影响。
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