1,4-Butanediol,polymers with 2,3-bis[(g-w-perfluoro-C6-20-alkyl)thio]-1,4-butanediol,C36-alkylene diisocyanate and1,6-diisocyanato-2,2,4(or 2,4,4)-trimethylhexane
CAS No. 71205-28-2