EUROPEAN POLYMER JOURNAL, vol.31, no.1, pp.9-14, 1995 (SCI-Expanded)
Polycondensation of biphenols such as 2,2-di-(4-hydroxyphenyl) propane, 1-phenyl-1,1-di(4-hydroxyphenyl) ethane, 1,1-di(4-hydroxyphenyl) cyclohexane and dihydroxynaphthalenes with glyoxal resulted in a ladder type of polymers. The structures of the ladder polymers were elucidated by FTIR and H-1-NMR.