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Facile Preparation of Light Refractive Poly(aroxycarbonyltriazole)s by Metal-Free Click Polymerization

Authors

  • Hongkun Li,

    1. MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
    2. Department of Chemistry, Institute for Advanced Study, Institute of Molecular Functional Materials, and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science & Technology, Kowloon, Hong Kong, China
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  • Zhe Wang,

    1. MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
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  • Jie Li,

    1. Department of Chemistry, Institute for Advanced Study, Institute of Molecular Functional Materials, and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science & Technology, Kowloon, Hong Kong, China
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  • Engui Zhao,

    1. Department of Chemistry, Institute for Advanced Study, Institute of Molecular Functional Materials, and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science & Technology, Kowloon, Hong Kong, China
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  • Jing Zhi Sun,

    1. MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
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  • Jacky W. Y. Lam,

    1. Department of Chemistry, Institute for Advanced Study, Institute of Molecular Functional Materials, and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science & Technology, Kowloon, Hong Kong, China
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  • Anjun Qin,

    Corresponding author
    1. MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
    2. Guangdong Innovative Research Team, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, China
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  • Ben Zhong Tang

    Corresponding author
    1. MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
    2. Department of Chemistry, Institute for Advanced Study, Institute of Molecular Functional Materials, and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science & Technology, Kowloon, Hong Kong, China
    3. Guangdong Innovative Research Team, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, China
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Abstract

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A series of poly(aroxycarbonyltriazole)s (PACTs) with high molecular weights and regioregularities is prepared in excellent yields by the metal-free click polymerization (MFCP) of dipropiolate (1) and diazides (2) in dimethylformamide (DMF) at 100 °C for 6 h. The MFCPs can proceed smoothly in an open atmosphere, without protection from oxygen and moisture. The PACTs show good solubility and processability. They are thermally stable and the temperatures of their 5% weight-loss are higher than 363 °C. The polymers exhibit high optical transparency and refractive indices with low chromatic dispersions. Moreover, the polymer film containing benzophenone units can be cross-linked upon UV irradiation to generate negative photoresist patterns with high resolution.
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