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Synthesis and photopolymerization kinetics of benzophenone piperazine one-component initiator

机译：二苯甲酮哌嗪单组分引发剂的合成及光聚合动力学

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摘要

A one-component type II photoinitiator (PDBP), based on 4-hydroxybenzophenone (HBP), acryloyl chloride, and piperazine, was synthesized and its structure was confirmed by H-1-NMR. The photopolymerization kinetics of the photoinitiator was studied by real-time Infrared spectroscopy (FT-IR). It indicated that PDBP was a more effective photoinitiator than that of BP/triethylamine (TEA). The rate of polymerization, final conversion increased and the induction period shortened with increase in PDBP concentration, light intensity, and amine concentration. The kinetics of photopolymerization for TPGDA incorporating PDBP in the presence of different tertiary amines as the initiating system indicated that the PDBP/TEA combination exhibited the highest polymerization rates among the PDBP/amine combinations. Copyright (c) 2007 John Wiley & Sons, Ltd.
机译：合成了基于4-羟基二苯甲酮（HBP），丙烯酰氯和哌嗪的单组分II型光引发剂（PDBP），并通过H-1-NMR证实了其结构。通过实时红外光谱（FT-IR）研究了光引发剂的光聚合动力学。表明PDBP比BP /三乙胺（TEA）更有效。随着PDBP浓度，光强度和胺浓度的增加，聚合速率，最终转化率增加并且诱导期缩短。在存在不同叔胺作为引发体系的情况下，掺入PDBP的TPGDA的光聚合动力学表明，PDBP / TEA组合在PDBP /胺组合中表现出最高的聚合速率。版权所有（c）2007 John Wiley＆Sons，Ltd.

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