Effect of interfacial sacrificial bonds on the vulcanization and mechanical properties of styrene butadiene rubber/talcum powder composites

Qilai Wang; Guangyang He; Xianrong Shen; Houluo Cong; Bikuan Wang; Jianjian Tian; Yixin Xiang

doi:10.1002/app.55400

journal article Mar 07, 2024

Effect of interfacial sacrificial bonds on the vulcanization and mechanical properties of styrene butadiene rubber/talcum powder composites

Qilai Wang Guangyang He Xianrong Shen Houluo Cong Bikuan Wang Jianjian Tian Yixin Xiang

Journal of Applied Polymer Science Vol. 141 No. 21 · Wiley

View at Publisher Save 10.1002/app.55400

Abstract

AbstractTalcum powder (Talc) contains large amounts of silica; however, its poor surface compatibility with diene rubber makes it difficult to develop its application in styrene‐butadiene rubber (SBR). Herein, a method to enhance the compatibility of Talc with SBR via interfacial sacrificial bonds of 4‐vinylpyridine and Mg2+/Zn2+ is proposed. Poly(isoprene‐co‐4‐vinylpyridine) copolymers, designated PIPVP‐10 and PIPVP‐20, were synthesized via reversible addition‐fragmentation chain transfer polymerization. PM1‐Talc and PM2‐Talc were obtained by spraying PIPVP‐10 and PIPVP‐20 solutions onto the Talc surface, followed by drying. During thermal vulcanization, the double bonds in the copolymers can be grafted directly onto the rubber skeleton. The vulcanization rates of the SBR/PM1‐Talc and SBR/PM2‐Talc complexes were accelerated by 65% and 77%, respectively, compared with that of SBR/Talc. Simultaneously, the interfacial interaction between SBR and Talc is enhanced owing to the formation of metal–ligand bonds between pyridine and Mg2+/Zn2+. As a result, the tensile strengths of SBR/PM1‐Talc and SBR/PM2‐Talc are 5.8 and 7.9 MPa, 65% and 127% higher than that of SBR/Talc (3.5 MPa).

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Details

Published: Mar 07, 2024
Vol/Issue: 141(21)
License: View

Authors

Q

Qilai Wang

Anhui Laboratory of Clean Catalytic Engineering, and School of Chemical and Environmental Engineering Anhui Polytechnic University Wuhu People's Republic of China

G

Guangyang He

Anhui Laboratory of Clean Catalytic Engineering, and School of Chemical and Environmental Engineering Anhui Polytechnic University Wuhu People's Republic of China

X

Xianrong Shen

Anhui Laboratory of Clean Catalytic Engineering, and School of Chemical and Environmental Engineering Anhui Polytechnic University Wuhu People's Republic of China

H

Houluo Cong

Xuzhou College of Industrial Technology Xuzhou People's Republic of China

B

Bikuan Wang

Anhui Lixin Rubber Technology Co., Ltd Xuancheng People's Republic of China

J

Jianjian Tian

Anhui Lixin Rubber Technology Co., Ltd Xuancheng People's Republic of China

Y

Yixin Xiang

Anhui Laboratory of Clean Catalytic Engineering, and School of Chemical and Environmental Engineering Anhui Polytechnic University Wuhu People's Republic of China

Funding

Anhui Provincial Key Research and Development Plan Award: 2022a05020009

Cite This Article

Qilai Wang, Guangyang He, Xianrong Shen, et al. (2024). Effect of interfacial sacrificial bonds on the vulcanization and mechanical properties of styrene butadiene rubber/talcum powder composites. Journal of Applied Polymer Science, 141(21). https://doi.org/10.1002/app.55400

Effect of interfacial sacrificial bonds on the vulcanization and mechanical properties of styrene butadiene rubber/talcum powder composites

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