浸泡环境下单向碳纤维/聚氨酯拉挤板材的性能研究

玻璃钢/复合材料 ›› 2018, Vol. 0 ›› Issue (10): 96-101.

浸泡环境下单向碳纤维/聚氨酯拉挤板材的性能研究

张雷¹, 洪斌², 李静³, 黄胜德³

1.中国石化胜利油田分公司石油工程技术研究院,山东257001;
2.哈尔滨工业大学土木工程学院,哈尔滨150090;
3.中国石化上海石油化工股份有限公司,上海200540

收稿日期:2018-04-16 出版日期:2018-10-28 发布日期:2018-10-28
通讯作者: 咸贵军(1972-),男,博士,教授,主要从事先进纤维复合材料及其工程应用方面的研究,gjxian@hit.edu.cn。
作者简介:张雷(1974-),男,硕士,高级工程师,主要从事机械采油、复合材料油田应用技术等方面的研究。

THERMO-MECHANICAL PROPERTY EVOLUTION OF A UNIDIRECTIONAL PULTRUDED CARBON FIBER REINFORCED POLYURETHANE PLATES SUBJECTED TO IMMERSION

ZHANG Lei¹, HONG Bin², LI Jing³, HUANG Sheng-de³

1.Sinopec Shengli Petrochemical Co., Ltd., Shandong 257001, China;
2.School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China;
3.Sinopec Shanghai Petrochemical Co., Ltd., Shanghai 200540, China

Received:2018-04-16 Online:2018-10-28 Published:2018-10-28

摘要/Abstract

摘要： 研究了单向碳纤维-聚氨酯拉挤板材分别在20 ℃、40 ℃与60 ℃蒸馏水、强碱溶液和人工海水浸泡过程中的性能演化。结果表明:在上述环境浸泡1年后,板材的热-力学性能变化不大,如板材面内剪切强度及玻璃化转变温度退化率均小于15%,而拉伸强度变化率小于5%;板材性能对浸泡温度及浸泡环境不敏感。红外光谱分析结果表明,浸泡过程中树脂基体发生后固化,板材热-力学性能的演化主要由复材基体的吸湿塑化引起。最后,比较了聚氨酯板材与环氧树脂基板材在上述环境下的耐久性能差异。

关键词: 聚氨酯, 碳纤维, 拉挤板材, 浸泡, 热-力学性能

Abstract: In the present paper, the effects of immersion in distilled water, strong alkaline solution and artificial seawater at 20 ℃, 40 ℃ and 60 ℃ on the thermo-mechanical properties of a unidirectional pultruded carbon fiber reinforced polyurethane plates were studied. As found, after one year of immersion, the in-plane shear strength and the glass transition temperatures of the plates decreased by less than 15%, while the tensile strength was only reduced by 5%. Meanwhile, the plates were insensitive to the immersion media and temperatures. FTIR (Fourier Transform Infrared Spectroscopy) analysis indicated that postcuring of the resin matrix occurred, and the degradation of the thermo-mechanical properties was mainly attributed to the plasticization of the resin. Finally, the durability performances of the polyurethane matrix plates was compared to the epoxy resin based carbon fiber plates.

Key words: polyurethane, carbon fiber, pultruded plates, immersion, thermo-mechanical properties

中图分类号:

TB332

张雷, 洪斌, 李静, 黄胜德. 浸泡环境下单向碳纤维/聚氨酯拉挤板材的性能研究[J]. 玻璃钢/复合材料, 2018, 0(10): 96-101.

ZHANG Lei, HONG Bin, LI Jing, HUANG Sheng-de. THERMO-MECHANICAL PROPERTY EVOLUTION OF A UNIDIRECTIONAL PULTRUDED CARBON FIBER REINFORCED POLYURETHANE PLATES SUBJECTED TO IMMERSION[J]. Fiber Reinforced Plastics/Composites, 2018, 0(10): 96-101.

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