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Preparation of 2,5-bis(methylallyl thioester)-thiadiazole with high refractive index and its coatings

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Abstract

New high refractive index monomer of 2,5-bis(methylallyl thioester)-thiadiazole (BMATETDZ) containing thioester and dithiazole was synthesized by a one-step condensation reaction with methyl acryloyl chloride and 2,5-dimercaptothiadiazole (DTD). N–N=(C), C=O, and C–S with high molar refraction groups were introduced into the structure of BMATETDZ. FTIR and 1H NMR were used to characterize the molecular structure of BMATETDZ. The refractive index of BMATETDZ was 1.661. The coatings of poly (2,5-bis(methylallyl thioester)-thiadiazole) (C-PBMATETDZ) on polyethylene terephthalate (PET) film were prepared by photopolymerization under UV irradiation. The C-PBMATETDZ coatings exhibited better comprehensive properties with high refractive index, high hardness, good adhesive force, excellent thermal stability, and high transparency in range of 200–900 nm.

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Acknowledgment

The author would like to acknowledge Technology Department of Anhui Province (1301021004), Analysis and Test Center at Hefei University of Technology.

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Authors and Affiliations

  1. School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, People’s Republic of China

    Shuqian Zhou, Yajun Mao, Zhengfa Zhou, Weibing Xu, Haihong Ma, Fengmei Ren & Haiyang Zhu

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  1. Shuqian Zhou
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  2. Yajun Mao
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  3. Zhengfa Zhou
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  4. Weibing Xu
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  5. Haihong Ma
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  6. Fengmei Ren
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  7. Haiyang Zhu
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Correspondence to Weibing Xu.

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Zhou, S., Mao, Y., Zhou, Z. et al. Preparation of 2,5-bis(methylallyl thioester)-thiadiazole with high refractive index and its coatings. J Coat Technol Res 14, 1457–1461 (2017). https://doi.org/10.1007/s11998-017-9959-9

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