Surface Modification of Rice Husk Ash by Ethanol-assisted Milling to Reinforce the Properties of Natural Rubber/Butadiene Rubber Composites

doi:10.1007/s40242-021-0341-1

高等学校化学研究 ›› 2021, Vol. 37 ›› Issue (3): 757-762.doi: 10.1007/s40242-021-0341-1

Surface Modification of Rice Husk Ash by Ethanol-assisted Milling to Reinforce the Properties of Natural Rubber/Butadiene Rubber Composites

CHEN Zhixiao¹, QIAN Miaomiao¹, LIU Chang², XUE Beichen¹, YU Liyun¹, ZHU Yanchao¹, WANG Xiaofeng¹

1. State Key Laboratory of Inorganic Synthesis & Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China;
2. Jilin Province Product Quality Supervision Test Institute, Changchun 130103, P. R. China

收稿日期:2020-10-26 修回日期:2020-12-16 出版日期:2021-06-01 发布日期:2020-12-24
通讯作者: WANG Xiaofeng, ZHU Yanchao E-mail:wangxf103@jlu.edu.cn;yanchao_zhu@jlu.edu.cn
基金资助:
This work was supported by the National Natural Science Foundation of China (No.21771084).

Surface Modification of Rice Husk Ash by Ethanol-assisted Milling to Reinforce the Properties of Natural Rubber/Butadiene Rubber Composites

CHEN Zhixiao¹, QIAN Miaomiao¹, LIU Chang², XUE Beichen¹, YU Liyun¹, ZHU Yanchao¹, WANG Xiaofeng¹

1. State Key Laboratory of Inorganic Synthesis & Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China;
2. Jilin Province Product Quality Supervision Test Institute, Changchun 130103, P. R. China

Received:2020-10-26 Revised:2020-12-16 Online:2021-06-01 Published:2020-12-24
Contact: WANG Xiaofeng, ZHU Yanchao E-mail:wangxf103@jlu.edu.cn;yanchao_zhu@jlu.edu.cn
Supported by:
This work was supported by the National Natural Science Foundation of China (No.21771084).

摘要/Abstract

摘要： Rice husk ash(RHA), obtained by pyrolysis of rice husks, can be used as a potential reinforcing filler for rubber composites. In this work, ball milling in ethanol(ethanol-assisted milling) was used to hydroxylate the surface of RHA, promoting the graft modification of bis-(γ-triethoxysilylpropyl)-tetrasulfide(Si69). The obtained modified RHA(RHA-EM-Si69) was filled into the natural rubber/butadiene rubber(NR/BR) composites, and the filler-rubber interactions were enhanced. In consequence, RHA-EM-Si69 filled NR/BR composites showed overall improvement in the mechanical properties compared with RHA filled NR/BR composites. The tear strength increased from 13.37 kN/m to 34.71 kN/m, and the tensile strength increased from 1.84 MPa to 7.75 MPa. Carbon black(N774) was also used for comparison under the same conditions. This method provides a potential for promoting the value of RHA in rubber industry.

关键词: Ethanol-assisted milling, Rice husk ash, Rubber reinforcement

Abstract: Rice husk ash(RHA), obtained by pyrolysis of rice husks, can be used as a potential reinforcing filler for rubber composites. In this work, ball milling in ethanol(ethanol-assisted milling) was used to hydroxylate the surface of RHA, promoting the graft modification of bis-(γ-triethoxysilylpropyl)-tetrasulfide(Si69). The obtained modified RHA(RHA-EM-Si69) was filled into the natural rubber/butadiene rubber(NR/BR) composites, and the filler-rubber interactions were enhanced. In consequence, RHA-EM-Si69 filled NR/BR composites showed overall improvement in the mechanical properties compared with RHA filled NR/BR composites. The tear strength increased from 13.37 kN/m to 34.71 kN/m, and the tensile strength increased from 1.84 MPa to 7.75 MPa. Carbon black(N774) was also used for comparison under the same conditions. This method provides a potential for promoting the value of RHA in rubber industry.

Key words: Ethanol-assisted milling, Rice husk ash, Rubber reinforcement

CHEN Zhixiao, QIAN Miaomiao, LIU Chang, XUE Beichen, YU Liyun, ZHU Yanchao, WANG Xiaofeng. Surface Modification of Rice Husk Ash by Ethanol-assisted Milling to Reinforce the Properties of Natural Rubber/Butadiene Rubber Composites[J]. 高等学校化学研究, 2021, 37(3): 757-762.

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Surface Modification of Rice Husk Ash by Ethanol-assisted Milling to Reinforce the Properties of Natural Rubber/Butadiene Rubber Composites

Surface Modification of Rice Husk Ash by Ethanol-assisted Milling to Reinforce the Properties of Natural Rubber/Butadiene Rubber Composites

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