机译:Structural Study on Aromatic Poly(amic n -alkyl ester)s and Their Derivatives by Solid-State Imidization Ⅰ. Effect of Alkyl Chains on the Structure Change
机译:Structural Study on Aromatic Poly(amic n-alkyl ester)s and Their Derivatives by Solid-State Imidization Ⅱ. Effect of Unremoved Alkyl Chains Attached by Ether Linkage