碳纤维织物基形状记忆复合材料的制备及其性能

doi:10.13475/j.fzxb.20210600306

纺织学报 ›› 2022, Vol. 43 ›› Issue (11): 75-80.doi: 10.13475/j.fzxb.20210600306

碳纤维织物基形状记忆复合材料的制备及其性能

苏子越¹, 单颖法², 巫莹柱¹(), 秦介垚¹, 彭美婷¹, 王晓梅¹, 黄美林¹

1.五邑大学纺织材料与工程学院, 广东江门 529020
2.广州辰东新材料有限公司, 广东广州 510000

收稿日期:2021-06-01 修回日期:2022-05-10 出版日期:2022-11-15 发布日期:2022-12-26
通讯作者: 巫莹柱
作者简介:苏子越(1996—),女,硕士生。主要研究方向为智能纺织品及快速检验技术。
基金资助:
广东省教育厅特色创新项目(2017KTSCX182);揭阳市科技计划重点项目(skjcx033);江门市基础与应用基础研究重点项目(2021030103890006796)

Preparation and properties of shape-memory composites reinforced by carbon fabrics

SU Ziyue¹, SHAN Yingfa², WU Yingzhu¹(), QIN Jieyao¹, PENG Meiting¹, WANG Xiaomei¹, HUANG Meilin¹

1. School of Textile Materials and Engineering, Wuyi University, Jiangmen, Guangdong 529020, China
2. Guangzhou Cndong Materials Co., Ltd., Guangzhou, Guangdong 510000, China

Received:2021-06-01 Revised:2022-05-10 Published:2022-11-15 Online:2022-12-26
Contact: WU Yingzhu

摘要/Abstract

摘要：

为解决碳纤维织物基形状记忆复合材料体系中催化剂存在对其回收利用的影响,通过基于动态酯交换反应的环氧-酸酐体系作为形状记忆功能体(BMT),以多羟基反应单体三羟甲基丙烷(TMP)作为反应活性剂,与碳纤维织物整理复合制备出无催化剂可调控的形状记忆复合材料。结果表明,这种多羟基催化碳纤维织物基复合材料(C-BMT)不仅具有良好的形状记忆的能力,而且其物理性能也十分优异,特别是拉伸强度较形状记忆功能体BMT提高了24倍。另外,这种复合材料中不存在催化剂,解决了催化剂对其回收利用产品应用的限制,对未来高性能碳纤维织物基复合材料开发和回收利用的实现具有重要意义。

关键词: 动态化学键, 多羟基催化, 形状记忆, 碳纤维织物基, 复合材料

Abstract:

In order to solve the impact of catalysts in a carbon fabric-based shape-memory composite system on its recycling performance, an epoxy-anhydride system (BMT) based on dynamic transesterification to provide the shape-memory function was adopted, and a polyhydroxy reactive monomer trimethylolpropane (TMP) as the reactive agent was combine with the carbon fabric to prepare a catalyst-free and regulable shape-memory composite. The results show that the polyhydroxy catalytic composite (C-BMT) not only displays a good shape-memory ability, and its physical properties are also excellent, especially its tensile strength is 24 time higher than that of the BMT system. In addition, there is no catalyst in the composite, which simplifies the recycling of the composites. The research is of great significance for the future development and for recycling of high-performance carbon fiber fabric matrix composites.

Key words: dynamic chemical bond, polyhydroxy catalysis, shape-memory, carbon fabric, composite

中图分类号:

TB33

苏子越, 单颖法, 巫莹柱, 秦介垚, 彭美婷, 王晓梅, 黄美林. 碳纤维织物基形状记忆复合材料的制备及其性能[J]. 纺织学报, 2022, 43(11): 75-80.

SU Ziyue, SHAN Yingfa, WU Yingzhu, QIN Jieyao, PENG Meiting, WANG Xiaomei, HUANG Meilin. Preparation and properties of shape-memory composites reinforced by carbon fabrics[J]. Journal of Textile Research, 2022, 43(11): 75-80.

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样品编号	BPA/moL	MHHPA /moL	TMP/moL
BMT-1	1	1	0.3
BMT-2	1	1	0.4
BMT-3	1	1	0.5

样品	BMT固化体系配比	T_d5/℃
BMT-1	1/1/0.3	284
BMT-2	1/1/0.4	274
BMT-3	1/1/0.5	271

样品	E_g/MPa	E_r /MPa	T_g /℃
BMT-1	2 520	11.3	100
BMT-2	2 060	5.2	94
BMT-3	1 794	3.6	91

样品	拉伸强度/MPa	拉伸模量 /MPa	断裂伸长率/%
BMT-1	60	2400	4.55
BMT-2	54	2250	3.47
BMT-3	49	2180	3

样品	形变回复时间/s	形变回复率/%
BMT-1	174	100
BMT-2	161	100
BMT-3	144	100

碳纤维织物基形状记忆复合材料的制备及其性能

Preparation and properties of shape-memory composites reinforced by carbon fabrics

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样品	拉伸强度/MPa	拉伸模量 /MPa	断裂伸长率/%
C-BMT-1	1 780	26 670	6.45
C-BMT-2	1 517	25 260	5.37
C-BMT-3	1 160	23 140	5.11