后聚合在脉冲辐射作用下光聚合组合物固化中的作用

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Russian Chemical Bulletin Pub Date : 2025-01-14 DOI:10.1007/s11172-024-4461-x

M. A. Baten’kin, S. N. Mensov

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引用次数: 0

摘要

利用红外光谱研究了后聚合对甲基丙烯酸低聚酯OCM-2光聚合组合物的影响。这一过程的数值模拟是在动力学模型的框架内进行的，该模型考虑了单体和生长自由基浓度的变化。结果表明，聚合后转化率的提高取决于自由基的浓度和寿命，以及光脉冲长度与重复周期的比值。对于暴露于单辐射脉冲（扫描光刻）和周期性光脉冲序列（使用半导体光源的脉宽调制）的光化的情况，考虑了聚合后对聚合过程的曝光特性的影响。

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Role of post-polymerization in the curing of photopolymerizable composition under the influence of pulsed radiation

The effect of post-polymerization for photopolymerizable composition based on oligoester methacrylate OCM-2 was studied using IR spectroscopy. Numerical simulation of this process was carried out within the framework of a kinetic model that takes into account changes in the concentration of both the monomer and radicals of growth. It was demonstrated that the increase in conversion due to the post-polymerization depends on the concentration and lifetime of radicals, as well as the ratio of the light pulses length to the repetition period. The influence of post-polymerization on the exposure characteristics of the polymerization process is considered for the cases of exposure to single radiation pulses (scanning lithography) and photoiniation by a periodic sequence of light pulses (using pulse-width modulation of semiconductor light sources).

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来源期刊

Russian Chemical Bulletin 化学-化学综合

CiteScore

2.70

自引率

47.10%

发文量

257

审稿时长

3-8 weeks

期刊介绍： Publishing nearly 500 original articles a year, by leading Scientists from Russia and throughout the world, Russian Chemical Bulletin is a prominent international journal. The coverage of the journal spans practically all areas of fundamental chemical research and is presented in five sections: General and Inorganic Chemistry; Physical Chemistry; Organic Chemistry; Organometallic Chemistry; Chemistry of Natural Compounds and Bioorganic Chemistry.