文档介绍：’一乙烯基二苯甲酮的合成路线,采用红外光谱实时跟踪的方法监测了其引发性能,并用紫外分光光度法分析了特定体系中小分子残留情况。首先,以氯苯、三氯化铝为原料经乙酰化、还原、脱水过程得到对氯苯乙烯,乙酰化最佳温度为40℃,,原料摩尔比为n(氯苯):n(无水三氯化铝):n(乙酰氯)=::1;异丙醇铝为还原剂还原对氯苯乙酮进行还原,该反应最佳条件为n(异丙醇铝):n(对氯苯乙酮)---:1,反应温度为异丙醇回流温度,反应时间为6h最佳条件为n(异丙醇铝):n(对氯苯乙酮)--:1,反应时间为6h;脱水反应最佳反应温度为210"C~220℃。%,%。以对氯苯乙烯为原料,经格氏化反应,’.乙烯基二苯甲酮。研究得出该工艺最佳反应条件为:格氏化反应中n(Mg)/n(Clst)=,反应温度为35℃,反应时间为10h,格氏试剂与腈的反应温度为55℃,反应时间为12h。%,%。考察了该引发剂对双酚A环氧二丙烯酸酯、脂肪族聚氨酯二丙烯酸酯、聚醚丙烯酸酯一环氧丙烯酸酯等光固化体系的固化效果,同时用红外光谱法对引发体系中的双键进行实时跟踪监测。,与传统 BP光引发剂相比残留更少。关键词:’一乙烯基二苯甲酮对氯苯乙烯 Abstract The present Papel" relates to the synthesization of polymeric photoinitiator 4-MVBP(4一methyl-4'-vinyl benzophenone).Detected thephotopolymerization performance by IRinthe detected theremaining smallmolecule inspecialsystem by . First,raw material chlorobenzene isturned intoP—chlorostyrene and dehydration. Acetylation is performed at 40℃ for optimally while n(chlorobenzene):n(anhydrous aluminium chloride):n(acetyl chlorid曲=:: reaction,the superabundance chlorobenzene call bereused byanhydrous wav of reducting by aluminium isopropoxide isviable and more reduction iSperformed for 6h atrefluxtemperature ofisopropanol while the mole ratioofthesynthesized and self-made aluminium isopropoxide is l: synthesized l-(p—chlorophenyl)ethanol and potassium hydrogen sulfate are dehydrated into at220℃under overall yield %with purification %after rectification. The asthe raw material isturned '-vinyl benzophenone afterGrignard process andhydrolyzed wim - conclusions were drawn asfollows:in theGrignard process,n(Mg):n(Clst)=:1,the temperature was35℃,the time was ofthereaction