相反电荷的聚电解质在溶液中通过静电相互作用自组装形成超薄多层膜，这种膜的结构可实现分子水平上的控制。
The ultrathin multilayer films were built-up by self-assemble of oppositely charged polyelectrolytes in aqueous solution. Its structure can be designed at molecular scale.
考察了相关制膜参数如溶剂、高分子液晶的浓度、聚砜的浓度、添加剂的用量、蒸发温度和蒸发时间等对超滤膜性能的影响。
The influence of preparation parameters, such as solvent, the concentrate of LCP, PS, addictive, evaporation temperature and time, on the properties of UF membrane were studied.
结果表明，在一定温度及催化剂下，己内酯低聚物与壳聚糖分子接枝混杂，形成的材料膜改善了壳聚糖膜的脆性，并显示出良好的降解性。
The results of measurement of the properties shows that the brittleness of chitosan films is considerably improved, and the rate of degradation of connect films by caprolactone is reduced.
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