Synthesis of Highly Crosslinked Three–dimensionally Ordered Polystyrene Microspheres by Semi–continuous Method

Chin J Mater Res

2011, Vol. 25

Issue (4): 417-421 DOI:

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Synthesis of Highly Crosslinked Three–dimensionally Ordered Polystyrene Microspheres by Semi–continuous Method

LIU Yanhui, SHAO Zhongcai, LIU Xinyuan, GAO Jinglong

College of Material Science and Engineering, Shenyang Ligong University, Shenyang 110159

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LIU Yanhui SHAO Zhongcai LIU Xinyuan GAO Jinglong. Synthesis of Highly Crosslinked Three–dimensionally Ordered Polystyrene Microspheres by Semi–continuous Method. Chin J Mater Res, 2011, 25(4): 417-421.

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Abstract Semi–continuous method, by which monodisperse highly crosslinked polystyrene can be synthetized, is presented in this paper. The crosslingking degree of polystyrene synthetized by this method is more than 50%. The average size of the polystyrene can be controlled by adjusting the time of adding cross–linking agent. High–quality and highly crosslinged three–dimensionally ordered polystyrene microspheres can be synthetized. Mechanism of semi–continuous soap–free emusion polymerization method is investigated. The results show that the secondary nucleation is emerged under low conversion of monomer by delayed divinyl benzene entry. The content of cross–linking agent and the time of adding cross–linking agent affect the average size of the polystyrene, monodispertion properties, shape and solubility.

Key words: synthesizing and processing technics semi–continuous method highly crosslinked monodisperse polystyrene

Received: 15 April 2010

ZTFLH:

TB324

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Supported by Education Department of Liaoning Province National Science Foundation No.2009A621.

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https://www.cjmr.org/EN/ OR https://www.cjmr.org/EN/Y2011/V25/I4/417

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