Ultrathin, cross-linked polyimide pervap
โ
D.M. Sullivan; M.L. Bruening
๐
Article
๐
2005
๐
Elsevier Science
๐
English
โ 274 KB
Alternating electrostatic adsorption of poly(amic acid) salts and polycations on porous alumina supports followed by heat-induced imidization yields ultrathin, polyimide membranes. Moreover, incorporation of additional carboxylic acid groups in the poly(amic acid) allows cross-linking via reaction o