SYNTHESIS OF POLYSTYRENE/POLY(ETHYLENE OXIDE) AMPHIPHILIC MICROSPHERES BY DISPERSION COPOLYMERIZATION

LI Wei; DING Xiaobin; LIN Xiaoqin; ZHANG Wenchuan; DENG Jingen; PENG Yuxing; LI Pei; CHAN Albert S.C.

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SYNTHESIS OF POLYSTYRENE/POLY(ETHYLENE OXIDE) AMPHIPHILIC MICROSPHERES BY DISPERSION COPOLYMERIZATION

Research Article | 更新时间：2021-03-19

- SYNTHESIS OF POLYSTYRENE/POLY(ETHYLENE OXIDE) AMPHIPHILIC MICROSPHERES BY DISPERSION COPOLYMERIZATION
- Acta Polymerica Sinica Issue 1, Pages: 62-67(2001)
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- Published：20 February 2001，
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LI Wei, DING Xiaobin, LIN Xiaoqin, ZHANG Wenchuan, DENG Jingen, PENG Yuxing, LI Pei, CHAN Albert S.C.. SYNTHESIS OF POLYSTYRENE/POLY(ETHYLENE OXIDE) AMPHIPHILIC MICROSPHERES BY DISPERSION COPOLYMERIZATION. [J]. Acta Polymerica Sinica (1):62-67(2001)
DOI：

LI Wei, DING Xiaobin, LIN Xiaoqin, ZHANG Wenchuan, DENG Jingen, PENG Yuxing, LI Pei, CHAN Albert S.C.. SYNTHESIS OF POLYSTYRENE/POLY(ETHYLENE OXIDE) AMPHIPHILIC MICROSPHERES BY DISPERSION COPOLYMERIZATION. [J]. Acta Polymerica Sinica (1):62-67(2001) DOI：

摘要

聚乙二醇在NaH的作用下和对氯甲基苯乙烯反应制得聚氧乙烯大分子单体

然后在乙醇 /水的介质中通过聚氧乙烯大分子单体和苯乙烯的分散共聚制得粒径范围在 0.5～1.5μm

粒径分布接近单分散的两亲聚合物微球 .对影响微球粒径和粒径分布的各个因素进行了研究.

Abstract

Poly(ethylene oxide)macromonomer was prepared by the reaction of poly(ethylene glycol)and vinyl benzyl chloride with the help of NaH.Through dispersion copolymerization of poly(ethylene oxide)macromonomer and styrene carried out in the media of ethanol/water

amphiphilic microspheres ranging from 0.5～1.5μm were prepared. The resulted amphiphilic microspheres were characterized by scanning electron microscope

IR etc

and the formation of copolymer was confirmed by IR spectra of amphiphilic microspheres and solubility of amphiphilic microspheres in the media of benzene.The factors which affected the diameter and diameter distribution of microspheres

including concentration of monomer

concentration of dispersant and composition of the media of reaction

were systematically investigated.

关键词

两亲聚合物微球聚氧乙烯大分子单体分散聚合

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