Graphene as an Antioxidant and Antiozonant in Tire Sidewall Compounds

IF 17.7 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-07-03 DOI:10.5254/rct.23.00042

Doug Paschall, A. Halasa, Brendan Rodgers

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Abstract

Tire sidewalls have an important function in achieving optimized tire performance. The sidewall compound must show good abrasion resistance, aging resistance, tear strength, low hysteresis and minimal contribution to whole tire rolling resistance, and good adhesion to adjacent components in the tire. In addition, in both the original equipment, or OE market and the premium performance markets, appearance is also of considerable importance. The current system of waxes, antioxidants, and phenyl diamine antiozonants are very effective in meeting the need of the tire end-user. However recent concerns centered on environmental impact of N’-phenyl-p-phenylenediamine and specifically 6PPD, and staining and discoloration of the tire sidewall surface raise issues that should be addressed. Specialized grades of graphene can offer a mechanism by which tire appearance and environmental questions can be overcome. Pristine graphene can improve compound resistance of ozonolysis and oxidation by both replacing the current antiozonants and antioxidants used in tire compounds, improve tire sidewall appearance, and also improve tire sidewall resistance to scuffing, abrasion, and tearing.

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石墨烯作为轮胎侧壁化合物的抗氧化剂和抗臭氧剂

轮胎胎侧对实现轮胎性能优化具有重要作用。胎侧复合材料必须具有良好的耐磨性、抗老化性、抗撕裂强度、低滞后性和对整个轮胎滚动阻力的最小贡献，以及与轮胎中相邻部件的良好粘附性。此外，无论是在原始设备（OE）市场还是在高性能市场，外观也相当重要。目前使用的蜡、抗氧化剂和苯基二胺抗臭氧剂系统能非常有效地满足轮胎终端用户的需求。然而，最近人们对 N'-苯基-对苯二胺（特别是 6PPD）对环境的影响以及轮胎侧壁表面的染色和褪色等问题的关注提出了亟待解决的问题。特殊等级的石墨烯可以提供一种机制，从而解决轮胎外观和环境问题。纯净的石墨烯可以取代目前轮胎配方中使用的抗臭氧剂和抗氧化剂，从而提高配方的抗臭氧分解和抗氧化能力，改善轮胎侧壁的外观，还能提高轮胎侧壁的抗刮伤、抗磨损和抗撕裂能力。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.

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