Startup Carbon Rivers Explores Graphene As A Fish-Saving Alternative To A Toxic Compound Found In Tires

U.S. startup Carbon Rivers Inc. offers "wonder material" graphene as a solution to the environmental impacts of vehicle tires. 

The widely used compound found in tires — 6PPD — causes water pollution and harms various fish species. The compound stabilizes tires and reduces cracking but comes with environmental harm that outweighs the benefits. The compound's toxicity extends to human health as well because it contributes to air pollution when released into the atmosphere. 

Recognizing these dangers, there is a need to find safer alternatives to 6PPD to protect ecosystems and promote a healthier environment.

Graphene, a nanomaterial, can replace 6PPD while offering a range of benefits. 

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Carbon Rivers, based in Knoxville, Tennessee, believes that incorporating graphene nanoflakes into tires could replace most or all of the 6PPD and reduce emissions by 28%. 

From Testing To Production

Carbon Rivers is working with regulators, and testing of graphene-infused tires should begin in the first quarter of 2024. If successful, the company anticipates it could produce graphene nanoflakes for use in commercial tires as early as 2025. The startup is discussing the innovative approach with tire manufacturers, aiming to advance to commercial testing.

The Graphene Opportunity

Graphene, often hailed as a super material because of its exceptional properties, including strength, flexibility and thermal conductivity, offers several advantages. In addition to its potential as a safer alternative to 6PPD, graphene is also an inexpensive additive to tires. Its introduction into tire manufacturing could significantly reduce the environmental impact associated with 6PPD use, marking a step toward sustainability. 

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Cautious Industry Response

While some tire manufacturers already incorporate graphene for improved speed, grip, durability and puncture resistance, concerns remain about the dependence on China, which controls the majority of the global graphite supply required for graphene production. Companies such as Pirelli and Michelin have shown interest in graphene as an alternative to 6PPD but emphasize the need for further research and testing before considering its widespread industrial application.

The introduction of graphene into tire manufacturing presents a promising solution to replace the environmentally harmful compound 6PPD. Carbon Rivers' efforts, coupled with increasing regulatory pressure, could revolutionize the industry by offering a more sustainable and eco-friendly alternative. 

As tire manufacturers explore the potential of graphene, further research and collaboration will be necessary to ensure its viability as a safe and effective substitute. With continued innovation and commitment, the tire industry can make significant strides toward a greener and cleaner future.

Another startup looking to transform the world with graphene is Avadain. The company offers high-quality graphene flakes to meet the massive demand for the material's many industry uses. 

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