Research Papers by M. Sipek

The non-porous, flat membranes were prepared from soluble polyimides based on 4,40 -oxydi(phthalic anhydride) or 4,40 -(hexafluoroisopropylidene)diphthalic anhydride and 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane. Poly(ethylene adipate) terminated with 4-methyl-1,3-phenylene diisocyanate with