Styrene-Based Copolymer for Polymer Membrane Modifications

被引：8

作者：

Srivastava, Harsha ^{[1
]}

Lade, Harshad ^{[2
]}

Paul, Diby ^{[2
]}

Arthanareeswaran, G. ^{[1
]}

Kweon, Ji Hyang ^{[2
]}

机构：

[1] Natl Inst Technol, Dept Chem Engn, Membrane Res Lab, Tiruchirappalli 620015, Tamil Nadu, India

[2] Konkuk Univ, Dept Environm Engn, Seoul 143701, South Korea

来源：

APPLIED SCIENCES-BASEL | 2016年 / 6卷 / 06期

关键词：

PVDF membrane; membrane modification; crystalline behavior; hydrophilicity; POLY(VINYLIDENE FLUORIDE) MEMBRANES; PHASE INVERSION; ACRYLONITRILE; BLEND; CRYSTALLIZATION; BEHAVIOR; PERFORMANCE; SAN;

D O I：

10.3390/app6060159

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Poly(vinylidene fluoride) (PVDF) was modified with a styrene-based copolymer. The crystalline behavior, phase, thermal stability, and surface morphology of the modified membranes were analyzed. The membrane surface roughness showed a strong dependence on the styrene-acrylonitrile content and was reduced to 34% for a PVDF/styrene-acrylonitrile blend membrane with a 40/60 ratio. The thermal and crystalline behavior confirmed the blend miscibility of both polymers. It was observed in X-ray diffraction (XRD) experiments that the modified PVDF membranes show a drastic reduction in their crystallinity. The neat PVDF membrane has the highest degradation rate, which decreased with the addition of the styrene-based copolymer.

引用

页数：12

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