the development trend of the polyimide industry is improving. in the future, it needs to continue to upgrade in the direction of high-end
polyimide, abbreviated as pi, refers to a type of polymer containing an imide ring (-co-nr-co-) in the main chain. according to different chemical structures, polyimide can be divided into aliphatic polyimide there are three categories: imide, semi-aromatic polyimide, and aromatic polyimide; according to different product forms, they can be divided into polyimides such as films,…

