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Solid Wastes Toward Flame Retardants for Polymeric Materials: A Review

Frontiers in Materials 2021 9 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 30 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Chuanhua Gao, Chuanhua Gao, Siqi Huo Siqi Huo Zhenhu Cao, Zhenhu Cao, Siqi Huo

Summary

This review examines how industrial waste materials can be repurposed as flame retardants in plastic products, reducing reliance on toxic chemicals while also diverting solid waste. Improving plastic durability through better flame retardancy can reduce the rate at which plastics degrade into microplastics.

It has been significant yet challenging to recycle and reuse different kinds of wastes because of their mass production within society. Many efforts have been conducted to reuse wastes in different fields. Interestingly, some wastes have been employed to replace traditional petroleum-based flame retardants for polymeric materials. This review focuses on the recent development of waste flame retardants and their impacts on thermal stability, flame retardancy, and smoke suppression of polymers, followed by representative flame-retardant mechanisms. Finally, the key challenges associated with waste flame retardants are presented, and some future perspectives are proposed.

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