聚氨酯均质微孔膜的制备及结构控制的研究

膜科学与技术 , 2008, 28(1): 40-45. doi: 10.3969/j.issn.1007-8924.2008.01.009

聚氨酯均质微孔膜的制备及结构控制的研究

林玲 ^1, , 徐卫林 ^2, , 欧阳晨曦 ^3, , 谢小琴 ^4, , 董瑞跤 ^5,

1.武汉科技学院,武汉,430073

2.武汉科技学院,武汉,430073

3.华中科技大学,同济医学院附属协和医院血管外科,武汉,430022

4.武汉科技学院,武汉,430073

5.武汉科技学院,武汉,430073

关键词：聚氨酯 , 均质 , 微孔膜 , 溶液相转换

Study on fabrication of homogeneous polyurethane microporous membranes

采用溶液相转换法制备PU均质微孔膜,通过改变PU浓度、添加剂中盐粒大小及含量、凝固浴的组成及含量等制备条件,控制孔径分布、孔径大小和微观形态.通过电子显微镜观察到制备的PU微孔膜表面和底面孔径分布均匀,孔径大小可控,断面为规则的海绵状孔结构.

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