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Amphiphilic norbornene-based diblock copolymers containing polyhedral oligomeric silsesquioxane prepared by living ring opening metathesis polymerization

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Abstract

We report the successful synthesis of poly(NBECOOH-b-NBEPOSS) copolymers, taking advantage of the sequential, living ring opening metathesis polymerization of NBETMS and NBEPOSS using the RuCl2 (=CHPh)(PCy3)2/CH2Cl2/20 °C system, followed by the hydrolysis of trimethylsilyl groups in poly(NBETMS-b-NBEPOSS) copolymers. The living behavior of ROMP of NBETMS was first investigated using two diagnostic plots, a first order kinetic plot and a\(\bar Mn\) vs. conversion plot. The plots confirmed that no termination and chain transfer reaction had occurred during polymerization. Poly(NBECOOH-b-NBEPOSS) copolymers were prepared using the sequential monomer addition of NBEPOSS to living poly(NBETMS) chain ends, followed by the hydrolysis of trimethylsilyl groups in the poly(NBETMS-b-NBEPOSS) copolymers. The high structural integrity of poly(NBECOOH-b-NBEPOSS) copolymers was confirmed by1H-NMR,13C-NMR spectroscopy and GPC.

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Authors and Affiliations

  1. Korea Electrotechnology Research Institute, Changwon, 641-600, Gyeongnam, Korea

    Su-Dong Park

  2. Department of Chemical Engineering, Daegu University, Gyeongsan, 712-714, Gyeongbuk, Korea

    Wentao Xu, Chanhong Chung & Younghwan Kwon

Authors
  1. Su-Dong Park
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  2. Wentao Xu
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  3. Chanhong Chung
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  4. Younghwan Kwon
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Correspondence to Younghwan Kwon.

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Park, SD., Xu, W., Chung, C. et al. Amphiphilic norbornene-based diblock copolymers containing polyhedral oligomeric silsesquioxane prepared by living ring opening metathesis polymerization. Macromol. Res. 16, 155–162 (2008). https://doi.org/10.1007/BF03218845

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  • DOI: https://doi.org/10.1007/BF03218845

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