...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Polymers for advanced technologies >Hydrophilic modification of polyvinylidene fluoride membrane by blending amphiphilic copolymer via thermally induced phase separation
【24h】

Hydrophilic modification of polyvinylidene fluoride membrane by blending amphiphilic copolymer via thermally induced phase separation

机译：通过热诱导相分离混合两亲共聚物的聚偏二氟乙烯膜的亲水性改性

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A new amphiphilic copolymer TD-A is melt-blended with polyvinylidene fluoride to fabricate hollow fiber membranes in order to improve the hydrophilicity and anti-fouling property. Membrane samples with different blending ratios are prepared via thermally induced phase separation method. An optimum blending ratio of TD-A (10 wt%) is determined by a series of characterizations to evaluate the effects of TD-A contents on membrane properties. The hydrophilicity of the blended membrane samples increases with the increasing blending ratio, but excessive content of TD-A in blended membranes can lead to structural defects and reduction of mechanical properties. TD-A blended hollow fiber membrane with optimum blending ratio shows excellent bi-continuous structure and high water flux. Membrane fouling is remarkably reduced due to the incorporation of TD-A by static absorption and cyclic filtration tests of bovine serum albumin. Moreover, constant surface chemical compositions and stable flux during long-term chemical cleaning demonstrate the hydrophilic stability of the blended membrane.
机译：新的两亲共聚物TD-A与聚偏二氟乙烯熔融混合以制造中空纤维膜，以改善亲水性和防污性。通过热诱导的相分离方法制备具有不同混合比的膜样品。 TD-A（10wt％）的最佳共混比通过一系列特征来测定，以评估Td-a内容物对膜特性的影响。混合膜样品的亲水性随着增生比的增加而增加，但混合膜中的TD-A过量含量可能导致结构缺陷和机械性能的降低。具有最佳混合比的TD-A混合的中空纤维膜显示出优异的双连续结构和高水通量。由于通过静态吸收和牛血清白蛋白的静态吸收和环状过滤试验掺入TD-A，膜污染显着降低。此外，长期化学清洁期间的恒定表面化学成分和稳定的助焊剂表明了混合膜的亲水性稳定性。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号