1,4-Butanediol, 2,3-bis((gamma-omega-perfluoro-C6-20-alkyl)thio) derivs, polymers with 1,6-diisocyanatotrimethylhexane and 2,2-(methylimino)bis(ethanol)
1,4-Butanediol, 2,3-bis((gamma-omega-perfluoro-C6-20-alkyl)thio) derivs, polymers with 1,6-diisocyanatotrimethylhexane and 2,2-(methylimino)bis(ethanol)