氧化石墨烯/天然橡胶-丁腈橡胶复合材料的制备与性能

殷俊; 张玉红; 张伟丽; 程珍琪; 纪萍; 何培新

doi:10.13801/j.cnki.fhclxb.20151110.001

氧化石墨烯/天然橡胶-丁腈橡胶复合材料的制备与性能

殷俊^1,2,3,
张玉红^1,2,3,,
张伟丽^1,2,3,
程珍琪^1,2,3,
纪萍^1,2,3,
何培新^1,2,3

1.
湖北大学有机化工新材料湖北省协同创新中心, 武汉 430062;
2.
湖北大学有机功能分子合成与应用教育部重点实验室, 武汉 430062;
3.
湖北大学化学化工学院, 武汉 430062

基金项目: 国家自然科学基金（51273154）

详细信息

通讯作者:
张玉红, 博士, 教授, 硕士生导师, 研究方向为有机-无机杂化材料与功能高分子。 E-mail: zhangyuhong@hubu.edu.cn

中图分类号: TQ333
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出版历程
- 收稿日期: 2015-08-15
- 修回日期: 2015-10-25
- 刊出日期: 2016-09-14

Manufacture and properties of graphite oxide/natural rubber- nitrile-butadiene rubber composites

YIN Jun^1,2,3,
ZHANG Yuhong^1,2,3,,
ZHANG Weili^1,2,3,
CHENG Zhenqi^1,2,3,
JI Ping^1,2,3,
HE Peixin^1,2,3

1.
Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Hubei University, Wuhan 430062, China;
2.
Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Ministry of Education, Hubei University, Wuhan 430062, China;
3.
College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China

摘要

摘要: 为研究氧化石墨烯（GO）对共混橡胶的补强改性作用，首先，通过改进的Hummers方法制备了GO，并通过乳液共混法制备了GO/天然橡胶（NR）-丁腈橡胶（NBR）复合材料；然后，采用SEM、FTIR、XRD、溶胀测试和力学性能测试表征了GO、NR-NBR硫化胶和GO/NR-NBR复合材料的微观形态、结构和力学性能。结果表明：所得GO含有大量的含氧官能团，氧化效果较好；橡胶基体中GO分散均匀，且GO/NR-NBR复合材料的拉伸断面粗糙程度显著增加；GO的填充可以提高复合材料的表观交联密度；GO/NR-NBR复合材料的力学性能随着GO含量的增加而改善，当GO含量为3.0wt%时，GO/NR-NBR复合材料的拉伸强度、100%定伸应力和邵氏A硬度分别提高了53.3%、67.3%和10.5%，断裂伸长率降低了9.6%。
- 氧化石墨烯 /
- 天然橡胶 /
- 丁腈橡胶 /
- 乳液共混 /
- 力学性能
Abstract: In order to investigate the reinforcement and modification effects of graphite oxide (GO) on blending rubber, GO was synthesized by modified Hummers method, and GO/natural rubber (NR)-nitrile-butadiene rubber (NBR) composites were fabricated by latex co-coagulation technology firstly. Then, SEM, FTIR, XRD, swelling tests and mechanical property tests were employed to characterize the morphologies, structures and mechanical properties of GO, NR-NBR vulcanized rubber and GO/NR-NBR composites. The results show that the GO obtained contains a large amount of oxygen-containing functional groups, the oxidation effect is good; GO is homogeneously dispersed in rubber matrix, and the roughness of stretching section for GO/NR-NBR composites improves obviously. The apparent cross-linking density of the composites increases for the filling of GO. The mechanical properties of GO/NR-NBR composites improve with GO content increasing. When GO content is 3.0wt%, the tensile strength, tensile stress at 100% and Shore A hardness of GO/NR-NBR composites increase by 53.3%, 67.3% and 10.5%, respectively, and the elongation at break decreases by 9.6%.
- graphene oxide /
- natural rubber /
- nitrile-butadiene rubber /
- latex co-coagulation /
- mechanical properties

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