Elastomeric polyurethane compositions containing side chain alkylol groups

Claim 1

POLYMERIC POLYURETHANES CONSISTING ESSENTIALLY OF SUBSTANTIALLY EQUIMOLAR AMOUNTS OF (1) RADICALS OBTAINED BY REMOVING THE TERMINAL CHLORINE ATOMS FROM BIS-CHLOROFORMATES ALTERNATING WITH (2) RADICALS OBTAINED BY REMOVING A HYDROGEN ATOM FROM EACH OF THE NITROGEN ATOMS OF A DIAMINE, SAID DIAMINE HAVING AT LEAST ONE PRIMARY AMINE GROUP; WITH AT LEAST 60% OF THE TOTAL WEIGHT OF THE POLYMER BEING THE POLYMERIC RADICALS OBTAINED BY REMOVING THE TERMINAL CHLORINE ATOMS FROM BIS-CHLOROFORMATES HAVING MOLECULAR WEIGHTS OF AT LEAST 875 AND BEING SELECTED FROM THE CLASS CONSISTING OF POLYALKYLENEETHER BIS-CHLOROFORMATE, POLYALKYLENEETHER-THIOETHER BISCHLOROFORMATE, POLYALKYLENEARYLENEETHER BIS-CHLOROFORMATE AND POLYURETHANE BIS-CHLOROFORMATE; SAID POLYMERIC POLYURETHANES HAVING ATTACHED TO AT LEAST ONE OF THE RADICALS OBTAINED FROM THE DIAMINE A SIDE CHAIN BEARING A CH2OH GROUP, SAID SIDE CHAIN OCCURRING AT LEAST ONCE FOR EVERY 8000 MOLECULAR WEIGHT UNITS OF SAID POLYMERIC POLYURETHANE.