化工新型材料

化工新型材料 ›› 2023, Vol. 51 ›› Issue (4) : 87-91. DOI: 10.19817/j.cnki.issn1006-3536.2023.04.015

新材料与新技术

二氧化硅协同氧化石墨烯改性丁苯橡胶复合材料及性能研究

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Preparation and properties of styrene butadiene rubber/SiO₂@GO composite materials

Wang Boyu, Yin Changjie, Zhang Qiuyu

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Received		Published
2022-01-09		2023-04-20
Issue Date	Revised Date
2023-04-27	2022-01-09

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摘要

采用静电自组装法首先制备二氧化硅/氧化石墨烯复合粒子(SiO₂@GO),然后对改性后的复合粒子进行了傅里叶红外光谱(FT-IR)、热失重(TG)和X射线光电子能谱(XPS)的表征。最后,通过机械共混法制备得到了SiO₂@GO增强的丁苯橡胶(SBR)复合材料,并对复合材料的热性能和力学性能进行了研究。结果表明:与单独二氧化硅增强的SBR复合材料相比,SiO₂@GO/SBR的最小转矩、最大转矩、拉伸强度和撕裂强度均较大,硫化时间也较长,并随着复合粒子添加量的增加而变大。当加入质量分数约为13%的复合粒子时,增强后的橡胶拉伸强度、撕裂强度分别能达到5.40MPa、36.35kN/m,动态力学性能表明增强后SBR复合物的抗湿滑性和低滚动阻力较好。

Abstract

The silica/graphene oxide composite particles (SiO₂@GO) were firstly prepared by electrostatic self-assembly method,and then the SiO₂@GO particles were characterized by Fourier transform infrared spectroscopy (FT-IR),thermogravimetric analysis(TG) and X-ray photoelectron spectroscopy(XPS).Finally,the SiO₂@GO-reinforced styrene butadiene rubber composite materials (SiO₂@GO/SBR) were obtained by mechanical mixing method,and the thermal and mechanical properties of SiO₂@GO/SBR composites were studied.The results showed that,compared with the SBR composites reinforced with silica alone,the minimum torque,maximum torque,tensile strength and tear strength of the SiO₂@GO/SBR composites were larger,and the vulcanization time were longer and increased with the increase of the addition of composite particles.When the mass fraction of SiO₂@GO composite particles was about 13.00%,the tensile strength and tear strength of the reinforced rubber were 5.40MPa and 36.35kN/m,respectively.The dynamic mechanical properties exhibited that the wet slip resistance and low rolling resistance of SiO₂@GO/SBR composites were better than that of SiO₂/SBR composites.

关键词

静电自组装 / 二氧化硅/氧化石墨烯复合粒子 / 丁苯橡胶 / 抗湿滑性 / 低滚动阻力

Key words

electrostatic self-assembly method / SiO₂@GO composites / styrene butadiene rubber / wet slip resistance / rolling resistance

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二氧化硅协同氧化石墨烯改性丁苯橡胶复合材料及性能研究[J]. 化工新型材料, 2023, 51(4): 87-91 DOI:10.19817/j.cnki.issn1006-3536.2023.04.015

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