芳纶/超高分子量聚乙烯织物增强聚氨酯夹芯复合材料制备及其力学性能

doi:10.13475/j.fzxb.20180601607

纺织学报 ›› 2019, Vol. 40 ›› Issue (07): 64-70.doi: 10.13475/j.fzxb.20180601607

芳纶/超高分子量聚乙烯织物增强聚氨酯夹芯复合材料制备及其力学性能

吴利伟¹^,², 王伟¹, 林佳弘¹^,³^,⁴, 姜茜¹^,²

^1. 天津工业大学纺织科学与工程学院, 天津 300387
^2. 天津工业大学教育部与天津市共建先进复合材料重点实验室, 天津 300387
^3. 闽江学院海洋学院, 福建福州 350108
^4. 台湾逢甲大学纤维与复合材料学系, 台湾 40724

收稿日期:2018-06-01 修回日期:2019-04-02 出版日期:2019-07-15 发布日期:2019-07-25
作者简介:吴利伟(1984-),男,讲师,博士。主要研究方向为柔性缓冲复合材料。E-mail: wuliwei@tjpu.edu.cn。
基金资助:
国家自然科学基金项目(11502163);国家自然科学基金项目(11702187);天津市自然科学基金项目(17JCQNJC03000);天津市自然科学基金项目(16JCZDJC36600);天津市教委科研计划项目(2017ZD05)

Preparation and mechanical properties of aramid/ ultra-high molecular weight polyethylene fabric reinforced polyurethane sandwich composite

WU Liwei¹^,², WANG Wei¹, LIN Jiahorng¹^,³^,⁴, JIANG Qian¹^,²

^1. School of Textile Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China
^2. Tianjin and Ministry of Education Key Laboratory of Advanced Textile Composite Materials, Tianjin Polytechnic University, Tianjin 300387, China
^3. Ocean College, Minjiang University, Fuzhou, Fujian 350108, China
^4. Department of Fiber and Composite Materials, Feng Chia University, Taiwan 40724, China

Received:2018-06-01 Revised:2019-04-02 Online:2019-07-15 Published:2019-07-25

摘要/Abstract

摘要：

为开发出一种柔性防护材料,采用超高分子量聚乙烯纤维(UHMWPE)与芳纶制备的平纹织物作为增强面板,软式聚氨酯(PU)作为芯材,利用纺织技术与一体发泡技术相结合制备了具有良好缓冲性能的夹芯结构柔性复合材料。同时,选用面密度相同的锦纶非织造布及玄武岩平纹布作为增强面板对比材料,对3类夹芯复合材料进行静态与动态力学性能测试。结果表明:芳纶/UHMWPE织物增强夹芯复合材料的力学性能优良,经向拉伸断裂强力为1 930 N,断裂伸长率为5.8%;纬向拉伸断裂强力为1 744 N,断裂伸长率为6.5%;在7.5 mm处进入压实阶段,压缩形变为93%;冲击破坏强力为1 260 N, 吸收的总能量为13.4 J,能量密度为4.95 J/g;芳纶/UHMWPE织物增强夹芯复合材料在保证质轻的基础上,具有良好的能量吸收效果。

关键词: 超高分子量聚乙烯纤维, 芳纶, 聚氨酯, 夹芯复合材料, 力学性能

Abstract:

By applying ultra-high molecular weight polyethylene fiber (UHMWPE) and aramid as reinforced fabric panels and flexible polyurethane (PU) as core, a sandwich flexible composite with good cushioning property was developed by textile technique and one-step foaming process. PU composites reinforced by nylon nonwoven and basalt plain weave fabric were prepared as control group, and static and dynamic mechanical testing were conducted on all three composites. The results show aramid/UHMWPE plain weave reinforced sandwich composite has excellent mechanical property. The tensile strengths and elongation at breaks of aramid/UHMWPE plain weave reinforced sandwich composite in longitudinal and horizontal direction are 1 930 N, 1 744 N, 5.8% and 6.5%, respectively. The sandwich composite is compact when the compressive displacement reaches to 7.5 mm, and the compressive deformation is 93%. Impact strength of aramid/UHMWPE plain weave reinforced sandwich composite is 1 260 N with absorbed energy of 13.4 J and energy density of 4.95 J/g, proving good energy absorption capability on the basis of lightweight.

Key words: ultra-high molecular weight polyethylene fiber, aramid, polyurethane, sandwich composite, mechanical property

中图分类号:

TB332

吴利伟, 王伟, 林佳弘, 姜茜. 芳纶/超高分子量聚乙烯织物增强聚氨酯夹芯复合材料制备及其力学性能[J]. 纺织学报, 2019, 40(07): 64-70.

WU Liwei, WANG Wei, LIN Jiahorng, JIANG Qian. Preparation and mechanical properties of aramid/ ultra-high molecular weight polyethylene fabric reinforced polyurethane sandwich composite[J]. Journal of Textile Research, 2019, 40(07): 64-70.

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参考文献 11

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材料	生产厂家	线密度/ tex	拉伸强度/ MPa	拉伸模量/ GPa	断裂伸长率/%
芳纶短纤纱	仪征化纤有限责任公司	58	1 020	65	2.4
超高分子量聚乙烯纤维	连云港神特新材料有限公司	63	2 000	80	3.1

材料	密度/ (根·(10 cm)^-1)		断裂强力/N		面密度/ (g·m^-2)	厚度/ mm
材料	经密	纬密	经向	纬向	面密度/ (g·m^-2)	厚度/ mm
芳纶/UHMWPE平纹织物	120	110	657.3	577.1	176	0.4
玄武岩平纹织物	100	100	876.0	907.0	330	0.4
锦纶非织造布	-	-	96.6	43.3	180	1.5

芳纶/超高分子量聚乙烯织物增强聚氨酯夹芯复合材料制备及其力学性能

Preparation and mechanical properties of aramid/ ultra-high molecular weight polyethylene fabric reinforced polyurethane sandwich composite

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