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Synthesis of polystyrene with high melting temperature through BDE/CuCl catalyzed polymerization

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Abstract

No matter what the polymerization manner was, polystyrene with unique highT m (T m = 170–285°C) was obtained through polymerization of styrene if the amount of BDE/CuCl catalyst was highly increased (mol ratio: St:CuCl = 25:1-2.5:1). Partial crystallinity of the PSt was observed by characterizations of X-ray diffraction and DSC. Spectra of1H-NMR and13C-NMR showed that syndiotactic structure contained in the obtained PSt was 5% more than that in aPSt (atactic polystyrene). According to the proposed “coordinated radical cage” mechanism, the coordinated state between radical and catalyst center metal Cu should be more closely packed with increasing the BDE/CuCl catalyst amount, which was induced to partial stereospecific polymerization in the coordinated radical polymerization of St.

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Authors and Affiliations

  1. Lab of Living Polymerization, East China University of Science and Technology, 200237, Shanghai, China

    Xiaolong Wan, Baibing Ni, Yanfei Liu & Shengkang Ying

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  1. Xiaolong Wan
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  2. Baibing Ni
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  3. Yanfei Liu
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  4. Shengkang Ying
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Correspondence to Shengkang Ying.

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Wan, X., Ni, B., Liu, Y. et al. Synthesis of polystyrene with high melting temperature through BDE/CuCl catalyzed polymerization. Sc. China Ser. B-Chem. 44, 68–73 (2001). https://doi.org/10.1007/BF02879738

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  • DOI: https://doi.org/10.1007/BF02879738

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