A photoinitiator compound and a method for preparing same is described. The photoinitiator compound is of formula O X A1 Q Y S O O x I wherein: X represents a halogen atom; Y represents an alkylyl or alkenylyl moiety; A1 represents a group which includes a -O- moiety; Q represents a linking atom or group; and x represents a number greater than 1, wherein moieties bonded to linking atom or group Q may be the same or different to one another. The photoinitiator may be used in combination with a polymerisable material and an amine synergist.
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机译：描述了一种光引发剂化合物及其制备方法。该光引发剂化合物具有式O X A1 Q Y S O O x I，其中：X代表卤原子; Y代表烷基或烯基部分; A1代表包括-O-部分的基团; Q表示连接原子或基团; x表示大于1的数，其中键合于连接原子或基团Q的部分可以相同或不同。光引发剂可以与可聚合材料和胺增效剂结合使用。
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