The PBO polymer solution was synthesized by means of polycondensation of 4,6-diaminoresorcinol ( DAR) and terephthalic acid ( TPA). At 180~ 200 ℃, the polymer starts to form liquid crystal state, and the fiber can be synthesized by using the dry-jet wet-spinning method.

  • 采用4,6-二氨基间苯二酚(DAR)与对苯二甲酸(TPA)缩聚的方法制备PBO聚合物溶液,在180~200℃使聚合物形成液晶态,利用干喷湿纺制法制备纤维。

  • 互联网摘选 2025-01-20 19:07:38

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