在水处理的预处理过程中，能在金属表面预先形成保护膜的一类化学药品。
结果表明，光交联过程及固化膜中剩余双键含量与预聚体的性质及交联剂官能团的性能有关。
The photocrosslinking process and the amount of residual unsaturation in the cured film were shown to depend primarily on the nature of prepolymer and on the functionality of crosslinking agents.
研究了PEG分子量、交联剂用量、制膜溶剂及预聚体溶液中水含量对膜透湿性的影响。
The effects of molecular weigh (Mn) of PEG, the usage of cross link agents, solvents and water in the solution on the moisture permeation of PU membrane have been studied.
方法先对预实验得出的处方进行筛选，再以黏附力、溶解性作为评价指标进行综合评价，筛选出最佳膜剂配方。
MethodsBy selecting the pre-test prescription, the best formula was finally determined on the basis of characteristics of conglution and dissolution.
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