含巯基MTQ树脂的合成及对丙烯酸酯体系光固化性能的影响

doi:10.7517/issn.1674-0475.190520

摘要/Abstract

摘要： 以六甲基二硅氧烷、γ-巯丙基三乙氧基硅烷（KH-580）和正硅酸乙酯为原料，在酸性条件下通过水解共聚反应合成了含巯基MTQ树脂（SH-MTQ）。通过傅里叶红外光谱、核磁共振氢谱（¹HNMR）、凝胶渗透色谱和热重，对所合成的树脂进行了表征和分析。以1-羟基环己基苯基甲酮（184）为光引发剂，考察了含巯基MTQ树脂对三丙二醇二丙烯酸酯（TPGDA）光固化过程和材料性能的影响，发现含巯基MTQ树脂的加入使得TPGDA的光固化速率和双键转化率有所提高，并且固化膜硬度、热稳定性、透过率和接触角等材料性能也有所提高。

关键词: 紫外光固化, 含巯基MTQ树脂, 三丙二醇二丙烯酸酯, 材料性质

Abstract: The mercapto-based MTQ resin(SH-MTQ) was synthesized by hydrolysis copolymerization of hexamethyldisiloxane, γ-(methacryloyloxy)propyltrimethoxysilane and tetraethyl orthosilicate under acidic conditions. The obtained resin was analyzed by Fourier transform infrared spectroscopy, nuclear magnetic resonance spectroscopy (¹HNMR), gel permeation chromatography and thermogravimetry. The effect of mercapto-based MTQ resin on the photocuring of TPGDA was investigated by using 1-hydroxycyclohexyl phenyl ketone (184) as a photoinitiator. It was found that the addition of mercapto-based MTQ resin increased the photocuring rate and double bond conversion rate of TPGDA, and the properties of cured film hardness, thermal stability, transmittance and contact angle also increased.

Key words: UV-curable, ruthenium-based MTQ resin, tripropylene glycol diacrylate, material properties

刘通政, 王勇, 薛探龙, 王涛. 含巯基MTQ树脂的合成及对丙烯酸酯体系光固化性能的影响[J]. 影像科学与光化学, 2019, 37(5): 456-464.

LIU Tongzheng, WANG Yong, XUE Tanlong, WANG Tao. Synthesis of Mercapto-based MTQ Resin and Its Effect on Photocuring Properties of Acrylate System[J]. Imaging Science and Photochemistry, 2019, 37(5): 456-464.

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