Renewable phenolic compounds are intriguing substrates for the generation of high performance thermosetting materials. The unique functionality of bio-based phenols often allows for enhanced material properties, and efficient, high throughput synthetic techniques for synthesizing monomers. Cardanol, a low cost component of cashew nut shell oil, is a phenolic compound with a 15-carbon unsaturated chain in the position meta to the hydroxyl group. Recent work has shown that polythiols are effective for cross-linking the side-chain alkenes of cardanol while concomitantly catalyzing the cure of thermosetting groups attached to the aromatic ring. This novel synergistic approach allows for a significant reduction in the cure temperature, while enhancing the rate and degree of cross-linking. In addition to novel dual cure strategies, this presentation will describe the synthesis, characterization, and cure chemistry of various cardanol-based thermosetting monomers and polymers.

Synthesis of biorenewable polyphenols from cardanol: Precursors to high-performance materials

2019 Spring National Meeting

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