New Method of Preparing Chloromethylated Crosslinking Polystyrene Microspheres

Chem. J. Chinese Universities

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New Method of Preparing Chloromethylated Crosslinking Polystyrene Microspheres

SHEN Yan-Ling, YANG Yun-Feng, GAO Bao-Jiao, LI Gang

Department of Chemical Engineering, North University of China, Taiyuan 030051, China

Received:2006-07-17 Revised:1900-01-01 Online:2007-03-10 Published:2007-03-10
Contact: GAO Bao-Jiao

Abstract

Abstract: The chloromethylation reaction of crosslinking polystyrene microspheres(white-sphere) was performed at room temperature by using self-made chloromethylation reagent, 1,4-bis(chloromethoxy)butane(BCMB), as the chloromethylation reagent and adopting Lewis acid catalysts, and the chloromethylated crosslinking polystyrene microspheres(chloro-sphere) with a chlorine content of 17% was obtained. The chemical structure and composition of the product were characterized by FTIR and Volhard methods, and the effects of various factors on the chloromethylation reaction were mainly examined. Various factors not only affect the chloromethylation degree of the white sphere, but also inhibit or accelerate the Friedel-Crafts crosslinking reaction between macromolecular chains and affect the strength of the chloro-sphere.

Key words: Polystyrene, 1,4-Bis(chloromethoxy)butane, Chloromethylated crosslinking polystyrene microsphere, Chloromethylation

CLC Number:

O632.2

TrendMD:

SHEN Yan-Ling, YANG Yun-Feng, GAO Bao-Jiao, LI Gang. New Method of Preparing Chloromethylated Crosslinking Polystyrene Microspheres[J]. Chem. J. Chinese Universities, doi: .

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New Method of Preparing Chloromethylated Crosslinking Polystyrene Microspheres

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