SYNTHESIS OF PSF-g-P(PEGMA) AND FABRICATION AND PERFORMENCE OF ITS BLEND ULTRAFILTRATION MEMBRANES

WANG Jianyu; XU Youyi; YI Zhuan; ZHU Liping; ZHU Baoku

doi:10.3724/SP.J.1105.2009.00700

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SYNTHESIS OF PSF-g-P(PEGMA) AND FABRICATION AND PERFORMENCE OF ITS BLEND ULTRAFILTRATION MEMBRANES

Research Bulletin | 更新时间：2021-03-19

- SYNTHESIS OF PSF-g-P(PEGMA) AND FABRICATION AND PERFORMENCE OF ITS BLEND ULTRAFILTRATION MEMBRANES
- Acta Polymerica Sinica Issue 7, Pages: 700-706(2009)
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- DOI：10.3724/SP.J.1105.2009.00700
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- Published：20 July 2009，
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WANG Jianyu, XU Youyi, YI Zhuan, ZHU Liping, ZHU Baoku. SYNTHESIS OF PSF-g-P(PEGMA) AND FABRICATION AND PERFORMENCE OF ITS BLEND ULTRAFILTRATION MEMBRANES. [J]. Acta Polymerica Sinica (7):700-706(2009)
DOI：

WANG Jianyu, XU Youyi, YI Zhuan, ZHU Liping, ZHU Baoku. SYNTHESIS OF PSF-g-P(PEGMA) AND FABRICATION AND PERFORMENCE OF ITS BLEND ULTRAFILTRATION MEMBRANES. [J]. Acta Polymerica Sinica (7):700-706(2009) DOI： 10.3724/SP.J.1105.2009.00700.

摘要

以氯甲基化双酚A型聚砜（PSF-CH2Cl）为大分子引发剂，通过原子转移自由基聚合（A TRP）法合成了以聚砜（PSF）为疏水主链、聚（聚乙二醇单甲醚甲基丙烯酸酯）［P(PEGMA) ］为亲水侧链的梳状两亲性共聚物PSF-g-P(PEGMA).FT-IR和 1H-NMR的表征结果证实了两亲性共聚物的生成.将PSF-g-P(PEGMA)与PSF进行共混，通过浸没沉淀法制备了共混超滤膜.研究发现，引入5 wt%的PSF-g-P(PEGMA)，共混膜的孔隙率和平均孔径分别从65.9%和0.08 μm提高到81.9%和0.18 μm；将共混膜于90℃热水中浸泡24 h后，膜表面O/S从14.63提高到17.16；共混膜的亲水性和抗牛血清蛋白(BSA)吸附性能显著提升.

Abstract

A novel amphiphilic copolymer having polysulfone (PSF) backbone and poly［poly(e thylene glycol) methyl ether methacrylate］ side chains［PSF-g-P(PEGMA)］ was synthesized by ATRP

using chloromethylated polysulfone as macroinitiator.The resultant copolymer was characterized by FT-IR and 1H-NMR.The molecu lar weight of PSF-g-P(PEGMA) was calculated as 6.34×104 based on 1H-NMR analysis

the molar fraction and weight fraction of P(PEGMA) in the co polymer was 0.711 and 39.6 wt%

respectively.A series of PSF blend membranes co ntaining various amounts of PSF-g-P(PEGMA) were prepared by the wet phase inversion process and were characterized by SEM

XPS

water contact angle and bovi n serum albumin (BSA) adsorption.The experimental results showed that the introd uction of PSF-g-P(PEGMA) can significantly improve the hydrophilicity and fouling-resistance of PSF membranes.For instance

the initial water contact angl e of the PSF membrane containing 20 wt% PSF-g-P(PEGMA) was 43.5°.After 50 s

the blend membrane was completely wetted by water.The apparent BSA adsorptio n amount of the same membrane was extremely low compared to that of the pure PSF membrane.

关键词

PSFATRP梳状两亲性共聚物共混超滤膜

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