光敏引发剂（Photoinitiator，简写PI）是一种能吸收辐射能，经激发发生光化学变化，产生具有引发聚合能力的活性中间体（自由基或阳离子）的物质。光敏引发剂是光固化材料的关键组分，它对光固化材料的光固化速度起决定性作用。
... photoinduction 光诱 photoinitiator 光敏引发剂 photolithotroph 光无机营养生物 ...
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硫杂蒽酮类光敏引发剂 light sensitizer thioxanthones
简要介绍含二苯酮基的大分子光敏引发剂的合成制备、引发聚合机理及应用方面的研究进展情况。
This paper discusses, the synthesis, photoinitiation polymerization mechanism and applications of polymer photosensitized initiator containing side chain benzophenone chromophores.
光敏剂的加入可提高光引发效率；
The addition of photosensitizer could improve the efficiency of photoinitiation.
结果表明，该引发剂的物理化学性质和光敏引发效率受其结构、介质性质和浓度等诸多因素影响。
The results showed that its physicochemical properties and photoinitiation efficiency are influenced by its structure, concentration and the properties of the media in which it is in.
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