抗热冻性聚[二甲基(甲基苄基)硅氧烷]:合成与特性

IF 1 4区 化学 Q4 POLYMER SCIENCE
E. A. Olenich, V. V. Gorodov, S. A. Milenin, G. V. Cherkaev, D. A. Khanin, M. I. Buzin, A. M. Muzafarov
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引用次数: 0

摘要

摘要 合成了一系列甲基苄基硅氧烷片段含量不同的聚[二甲基(甲基苄基)硅氧烷]。通过 1Н 和 29Si NMR 光谱证实了这些聚合物的结构。聚合物的热性能通过差示扫描量热法和热重分析法进行了研究。研究发现,当甲基苄基硅氧烷片段在共聚物中的含量达到 3 摩尔%或更高时,共聚物的结晶会受到抑制,而玻璃化转变温度只是微不足道地向正值范围移动。这种共聚物具有很高的耐温性,可在很宽的温度范围内使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Thermofrost-Resistant Poly[dimethyl(methylbenzyl)siloxanes]: Synthesis and Properties

Thermofrost-Resistant Poly[dimethyl(methylbenzyl)siloxanes]: Synthesis and Properties

Thermofrost-Resistant Poly[dimethyl(methylbenzyl)siloxanes]: Synthesis and Properties

A series of poly[dimethyl(methylbenzyl)siloxanes] with different content of the methylbenzylsiloxane fragments have been synthesized. Structure of the polymers has been confirmed by means of 1Н and 29Si NMR spectroscopy. Thermal properties of the polymers have been investigated by means of differential scanning calorimetry and thermogravimetric analysis. It has been found that the copolymer crystallization is suppressed at the content of the methylbenzylsiloxane fragments on the copolymer of 3 mol % and higher, while the glass transition temperature is only insignificantly shifted towards the positive range. The copolymers have exhibited high temperature resistance and can be used over a wide temperature range.

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来源期刊
Polymer Science, Series B
Polymer Science, Series B 化学-高分子科学
CiteScore
1.80
自引率
8.30%
发文量
58
审稿时长
>0 weeks
期刊介绍: Polymer Science, Series B is a journal published in collaboration with the Russian Academy of Sciences. Series B experimental and theoretical papers and reviews dealing with the synthesis, kinetics, catalysis, and chemical transformations of macromolecules, supramolecular structures, and polymer matrix-based composites (6 issues a year). All journal series present original papers and reviews covering all fundamental aspects of macromolecular science. Contributions should be of marked novelty and interest for a broad readership. Articles may be written in English or Russian regardless of country and nationality of authors. All manuscripts are peer reviewed
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