Synthesis, structure, and properties of new solid thermoplastic butadiene polymers

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Russian Chemical Bulletin Pub Date : 2025-08-16 DOI:10.1007/s11172-025-4705-4

D. M. Ulyanova, N. A. Sablina, P. M. Tolstoy

引用次数: 0

Abstract

It has been established for the first time that cationic polymerization of butadiene in the presence of the initiating system diethylaluminum chloride—allyl chloride allows the synthesis of fully soluble solid thermoplastic polymers with reduced unsaturation (40–48 mol.% of theoretical) and high glass transition (56–65 °C) and softening point (126–193 °C) temperatures. The structure of the synthesized polybutadiene macromolecules, including the structure of the head units consisting of allyl fragments of the polymerization initiator (allyl chloride) connected with the 1,4-trans-unit of polybutadiene, has been determined. The resulting polymers may find a practical application in the production of adhesive and sealing compositions.

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新型固体热塑性丁二烯聚合物的合成、结构和性能

首次建立了丁二烯在引发体系二乙基氯化铝-丙烯氯存在下的阳离子聚合，可以合成完全可溶的固体热塑性聚合物，其不饱和度降低（理论上的40 - 48mol .%），玻璃化转变温度高（56-65℃），软化点温度高（126-193℃）。合成的聚丁二烯大分子的结构，包括由聚合引发剂（氯丙烯）的烯丙基片段与聚丁二烯的1,4反式单元连接而成的头单元的结构已经确定。所得到的聚合物可以在粘合剂和密封组合物的生产中找到实际应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.