Addition Polymers Based on Bifunctional Norbornenes Containing Imide Fragments

IF 0.6 4区化学 Q4 CHEMISTRY, APPLIED Russian Journal of Applied Chemistry Pub Date : 2025-02-27 DOI:10.1134/S1070427224090039

A. P. Khrychikova, E. V. Bermesheva, K. S. Sadovnikov, V. G. Bekeshev, M.V. Bermeshev

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Abstract

Addition polymerization of three norbornene-type monomers derived from various diamines and cis-5-norbornene-exo-2,3-dicarboxylic acid anhydride in the presence of Pd complexes with an N-heterocyclic carbene ligand was studied. The polymerization conditions for these bifunctional polymers containing imide fragments were optimized, which made it possible to produce the target polymers in yields of up to 75%. The structure of the synthesized polymers was confirmed using IR, Raman spectroscopy and solid-state ¹³C NMR spectroscopy. The main physicochemical properties of the obtained addition polymers were investigated by TGA, DSC, X-ray diffraction, as well as low-temperature adsorption of nitrogen and CO₂. The effect of the bridge nature in the bifunctional norbornene-type monomer on the sorption properties of the addition polymer based thereon was established. It was shown that the sorption for the addition polymer based on the monomer obtained from isophoronediamine exceeds 13 cm³/g.

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基于含酰亚胺片段的双官能降冰片烯的加成聚合物

研究了在n -杂环羰基配体Pd配合物存在下，三种降冰片烯型单体和顺式-5-降冰片烯-2,3-外二羧酸酸酐的加成聚合反应。优化了这些含亚胺片段的双功能聚合物的聚合条件，使目标聚合物的产率达到75%。利用红外光谱、拉曼光谱和固态13C核磁共振光谱对合成聚合物的结构进行了确证。采用热重分析（TGA）、DSC、x射线衍射（x -射线衍射）以及氮气和CO2的低温吸附性能对加成聚合物的主要理化性质进行了表征。研究了双功能降冰片烯型单体的桥性质对其加成聚合物吸附性能的影响。结果表明，以异膦二胺单体为基础的加成聚合物的吸附量超过13 cm3/g。

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来源期刊

Russian Journal of Applied Chemistry 化学-应用化学

CiteScore

1.60

自引率

11.10%

发文量

审稿时长

2-4 weeks

期刊介绍： Russian Journal of Applied Chemistry (Zhurnal prikladnoi khimii) was founded in 1928. It covers all application problems of modern chemistry, including the structure of inorganic and organic compounds, kinetics and mechanisms of chemical reactions, problems of chemical processes and apparatus, borderline problems of chemistry, and applied research.