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[1]季家友,夏宁,苏奇,等.乙酸酐改性对芳纶/环氧复合材料的影响[J].武汉工程大学学报,2014,(07):39-42.[doi:103969/jissn16742869201407008]
　JI Jia you,XIA Ning,SU Qi,et al.Effect of acetic anhydride modification on interface of aramid fiber/epoxy composites[J].Journal of Wuhan Institute of Technology,2014,(07):39-42.[doi:103969/jissn16742869201407008]
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乙酸酐改性对芳纶/环氧复合材料的影响(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2014年07期
页码:
39-42
栏目:
材料科学与工程
出版日期:
2014-07-31

文章信息/Info

Title:
Effect of acetic anhydride modification on interface of aramid fiber/epoxy composites
文章编号:
16742869(2014)07003904
作者:
季家友1; 夏宁2; 苏奇3; 祝云1; 沈凡1; 徐慢1
1．武汉工程大学材料科学与工程学院， 湖北 武汉 430074；2.武汉轻工大学食品科学与工程学院，湖北 武汉 430023；3．四川东材科技集团股份有限公司，四川 绵阳 621000
Author(s):
JI Jiayou1; XIA Ning2; SU Qi3; ZHU Yun1; SHEN Fan1; XU Man1
1.Materials Science and Engineering，Wuhan Institute of Technology，Wuhan 430074，China；2.School of Food Science and Engineering,Wuhan Polytechnic University,Wuhan 430023,China;3.Sichuan EM Technology CO.,LTD.，Mianyang 621000，China
关键词:
芳纶; 复合材料; 表面改性; 界面粘结
Keywords:
aramid fiber; composites; surface modification; interface adhesion
分类号:
TB332
DOI:
103969/jissn16742869201407008
文献标志码:
A
摘要:
为提高芳纶Ⅲ/环氧复合材料界面粘结强度，用乙酸酐分别在常温、50℃、75℃、100℃条件下对芳纶Ⅲ改性处理，分别用傅里叶变换红外光谱仪、扫描电子显微镜、X射线光电子能谱仪对改性前后芳纶Ⅲ纤维表面性质及性能进行表征.用处理前后的纤维与24A聚胺酯树脂按质量比为树脂∶纤维=1∶1.5的比例分别称取，将二甲苯溶解后的树脂溶液均匀地涂覆于处理过的纤维表面制成预浸料，然后用层压法将其制成复合材料.按照GB/T 14492005标准，分别测试其弯曲强度.结果表明：经改性处理过的纤维表面较未处理时含氧基团增加、表面变粗糙，制备的复合材料的弯曲强度较未处理时提高了35.8%.乙酸酐对芳纶Ⅲ改性处理的方法操作简便、效果显著，是一种非常有效的化学改性方法.
Abstract:
To improve the interface adhesion of the aramid fiber Ⅲ/epoxy resin composites,acetic anhydride was used to modify aramid fiber Ⅲ at room temperature,50 ℃,75 ℃,100 ℃.The surface properties of untreated and treated aramid fiber Ⅲ were characterized by scanning electron microscope,fourier transforminfrared spectroscopy and Xray photoelectron spectroscope.The untreated and treated fiber and 24A polyurethane resin with the ratio of 1∶1.5 were separately weighed.The solution of 24A polyurethane resin in dimethyltoluene was casted uniformly onto the surface of the modified fibers,then the composites were prepared by laminating.According to the GB/T 14492005,the bending strength of all composites was tested.The results show that oxygencontaining groups on the modified fiber surface increase and the surface is rougher; furthermore,the bending strength of the composite with treated fiber and resin is increased by 35.8%.Acetic anhydride treatment is an effective method for the modifying aramid fiber Ⅲ.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20140422基金项目：国家自然科学基金青年基金项目（213005105）；湖北省自然科学基金面上项目（2013CFB319）；武汉市科技攻关计划（2013010501010138）；湖北省科技厅省级科技项目（2013HB12）；武汉工程大学青年科学基金（Q201301）作者简介：季家友（1983）， 男，山东日照人，讲师，博士.研究方向：节能新材料、环保新材料.
更新日期/Last Update: 2014-08-20