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Nanoparticles as Catalyst for Formation of Rigid Organic Polymers with Controlled Polymerization

Overview Polybenzoxazole (PBO) fibers have usually been made by condensing diaminobenzene diol and terephthalic acid with polyphosphoric acid (PA), which serves as both solvent and catalyst. The use of PA, however, causes the PBO fibers to be contaminated with PA units. We have invented a nanoparticle (NP)-based catalytic method to synthesize functional...

Published: 5/24/2023 | Inventor(s): Shouheng Sun, Christopher Seto, Chao Yu, Xuefeng Guo

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Category(s): Polymers, Catalyst