Zylon (IUPAC name: 'poly(p-phenylene-2,6-benzobisoxazole)') is a trademarked name for a range of thermoset liquid-crystalline polyoxazole. This synthetic polymer material was invented and developed by SRI International in the 1980s and manufactured by Toyobo. In generic usage, the fiber is referred to as PBO.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).