Effect of the inter-chain interaction and the nature of solvent on the optical properties of alicyclic (co)polyimides: an experimental and theoretical study

被引：0
|
作者：
E. A. Alykova [1 ]
D. V. Zavyalov [1 ]
E. N. Savelyev [1 ]
N. V. Sidorenko [1 ]
A. I. Bogdanov [1 ]
V. S. Voishchev [2 ]
A. M. Pichugin [1 ]
M. A. Nakhod [1 ]
E. M. Sukhareva [1 ]
E. I. Farkhutdinova [1 ]
机构：
[1] Volgograd State Technical University,
[2] Voronezh State Agrarian University,undefined
来源：
Russian Chemical Bulletin | 2024年 / 73卷 / 12期
关键词：
adamantane; polyimides; charge-transfer complex; sulfolane; intermolecular distance; light transmittance;
D O I：
10.1007/s11172-024-4476-3
中图分类号：
学科分类号：
摘要：
A number of alicyclic (co)polyimides were synthesized and the effect of charge transfer complexes (CTCs) formed between the polymer fragments and solvent molecules on the properties of the (co)polymers was studied. It was shown that the presence of an adamantane-containing comonomer significantly reduces intermolecular interactions, which has a positive effect on the optical properties of the polyimides including light transmittance, chromaticity, etc. The use of 1,2-dichlorobenzene as solvent instead of sulfolane leads to more transparent polyimides. According to quantum chemical calculations, this is due to a decrease in the effect of CTCs.
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页码：3658 / 3668
页数：10
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