基于内摩擦光谱的环氧低聚物硬化体 "结构-性能 "关系的现象学描述

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-07-15 DOI:10.1134/S1061933X24600076

V. A. Lomovskoy, S. A. Shatokhina, I. D. Simonov-Emel’yanov

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引用次数: 0

摘要

摘要对环氧低聚物的各种液体固化剂（TETA、PEPA 和 MTHPA）通过自由阻尼扭转振荡方法获得的内摩擦谱和温度频率相关性实验数据进行了理论分析。考虑并采用了主要的现象学模型表示法，以分析局部耗散过程的各种物理机械和物理化学特征，这些过程可能具有不同的内摩擦机制（滞后型、相位型和弛豫型）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Phenomenological Description of the “Structure–Property” Relation for Epoxy Oligomer Hardeners on the Basis of Internal Friction Spectra

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Phenomenological Description of the “Structure–Property” Relation for Epoxy Oligomer Hardeners on the Basis of Internal Friction Spectra

A theoretical analysis has been performed for experimental data on internal friction spectra and temperature–frequency dependences obtained by the method of free damped torsional oscillations for diverse liquid hardeners (TETA, PEPA, and MTHPA) of epoxy oligomers. The main phenomenological model representations have been considered and employed to analyze various physicomechanical and physicochemical characteristics of local dissipative processes, which may have different mechanisms of internal friction (hysteresis-, phase-, and relaxation-type).

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.