abstract:Polybenzimidazole (PBI) fiber is a synthetic fiber with a very high melting point that also does not readily ignite, because of its exceptional thermal and chemical stability. The U.
Thepolybenzimidazoleresincan beused in the fieldssuch as high temperatureresistantfiber, paint, coatings, adhesives, films, compositematerials and the like, and hasbroadapplicationprospect.