Through the analysis of the necessity of the water-proof dope of bridge pavement, discussion is made on the performance of the macromolecule polymerdope.
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。
2
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.