STRUCTURE AND PERFORMANCE OF POLYAMIDE-6 MEMBRANES PREPARED BY THERMALLY INDUCED PHASE SEPARATION

Zhao-hui Jiang; Chang-fa Xiao; Xue Wang; Xiao-yu Hu

doi:10.1007/s10118-010-9115-9

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STRUCTURE AND PERFORMANCE OF POLYAMIDE-6 MEMBRANES PREPARED BY THERMALLY INDUCED PHASE SEPARATION

Papers | Updated：2021-06-21

- STRUCTURE AND PERFORMANCE OF POLYAMIDE-6 MEMBRANES PREPARED BY THERMALLY INDUCED PHASE SEPARATION
- Vol. 28, Issue 5, Pages: 721-729(2010)
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- Author bio：
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- DOI：10.1007/s10118-010-9115-9
  CLC：
- Published：20 September 2010
- Accepted：
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Zhao-hui Jiang, Chang-fa Xiao, Xue Wang, et al. STRUCTURE AND PERFORMANCE OF POLYAMIDE-6 MEMBRANES PREPARED BY THERMALLY INDUCED PHASE SEPARATION[J]. 2010, 28(5): 721-729.
DOI：

Zhao-hui Jiang, Chang-fa Xiao, Xue Wang, et al. STRUCTURE AND PERFORMANCE OF POLYAMIDE-6 MEMBRANES PREPARED BY THERMALLY INDUCED PHASE SEPARATION[J]. 2010, 28(5): 721-729. DOI： 10.1007/s10118-010-9115-9.

摘要

The asymmetric polyamide-6 (PA6) membranes were prepared by thermally induced phase separation. From the scanning electron microscopy (SEM) images

it is observed that with the increase of silicon dioxide (SiO2) content the structure of obtained membranes gradually varied from cellular structure to large ball-shaped cluster aggregates. Subsequently

with the addition of SiO2

pure water flux increased first and then decreased

while rejection showed the opposite trend. Besides

raising the coagulation bath temperature was favorable to increase pure water flux. Consequently

different membrane morphologies and performance were obtained by changing SiO2 content and coagulation bath temperature.

Abstract

The asymmetric polyamide-6 (PA6) membranes were prepared by thermally induced phase separation. From the scanning electron microscopy (SEM) images

with the addition of SiO2

pure water flux increased first and then decreased

while rejection showed the opposite trend. Besides

raising the coagulation bath temperature was favorable to increase pure water flux. Consequently

different membrane morphologies and performance were obtained by changing SiO2 content and coagulation bath temperature.

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