GFRP及其基体树脂的热变形温度与玻璃化转变温度的相关性

doi:10.19936/j.cnki.2096-8000.20250428.013

复合材料科学与工程 ›› 2025, Vol. 0 ›› Issue (4): 103-108.DOI: 10.19936/j.cnki.2096-8000.20250428.013

GFRP及其基体树脂的热变形温度与玻璃化转变温度的相关性

葛平, 孔鹏, 马国闰, 唐宇航

金陵力联思树脂有限公司,南京 210047

收稿日期:2024-11-14 出版日期:2025-04-28 发布日期:2025-06-03
作者简介:葛平(1967—),男,学士,研究方向为纤维增强树脂基复合材料的材料性能、制造工艺和应用,ping.ge@aocformulations.com。

Correlation of heat distortion temperature and glass transition temperature of glass fiber reinforced unsaturated polyester resins and their matrix resins

GE Ping, KONG Peng, MA Guorun, TANG Yuhang

Jinling AOC Resin Co., Ltd., Nanjing 210047, China

Received:2024-11-14 Online:2025-04-28 Published:2025-06-03

摘要/Abstract

摘要： 在工程设计和应用中,玻璃纤维增强不饱和聚酯树脂基复合材料(GFRP)的热变形温度(T_HD)与玻璃化转变温度(T_g)被用于表征耐热性。本研究通过选择实验路径确定了测试GFRP的T_HD的适用方法,研究了树脂固化体系、固化条件及不同的玻璃纤维织物形态与纤维含量对GFRP的T_HD与T_g的影响,探索了GFRP及其基体树脂的T_HD与T_g之间的相关性。以储存模量随温度变化的速率定义了起始玻璃化转变温度T_g,G′i与最终完成玻璃化转变温度T_g,G′f,说明了它们在复合材料制造、检验与工程应用中的用途。

关键词: 不饱和聚酯树脂, 玻璃纤维增强树脂基复合材料, 热变形温度, 玻璃化转变温度, 相关性

Abstract: Both of heat distortion temperature (T_HD) and glass transition temperature (T_g) are commonly used to characterize heat resistance of glass fiber reinforced unsaturated polyester resin matrix composites (GFRP) in lots of engineering design and applications. In this study, the suitable method of testing T_HD of GFRP were established by selecting experimental approaches. The effects of curing systems and curing conditions of resins, different fabric pattern of reinforcement and fiber content of GFRP on their T_HD and T_g are studied. The correlation between T_HD and T_g of GFRP and its matrix resin was investigated. The initial temperature of glass transition T_g,G′i and the final temperature of the glass transition T_g,G′f by the curve of storage modulus vs. temperature are defined to be applied in manufacturing, inspecting and engineering application of GFRP.

Key words: unsaturated polyester resin, GFRP, heat distortion temperature, glass transition temperature, correlation

中图分类号:

TB332

葛平, 孔鹏, 马国闰, 唐宇航. GFRP及其基体树脂的热变形温度与玻璃化转变温度的相关性[J]. 复合材料科学与工程, 2025, 0(4): 103-108.

GE Ping, KONG Peng, MA Guorun, TANG Yuhang. Correlation of heat distortion temperature and glass transition temperature of glass fiber reinforced unsaturated polyester resins and their matrix resins[J]. COMPOSITES SCIENCE AND ENGINEERING, 2025, 0(4): 103-108.

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GFRP及其基体树脂的热变形温度与玻璃化转变温度的相关性

Correlation of heat distortion temperature and glass transition temperature of glass fiber reinforced unsaturated polyester resins and their matrix resins

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