Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1982-03-29
1983-10-04
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521137, 524377, 524762, 525424, 528336, 528343, C08G 1814
Patent
active
044079834
ABSTRACT:
A new class of polymer/polyols based on the condensation polymerization of an oxalate ester and a diamine directly in a polyether polyol. The resultant polyoxamate/polyols have viscosities ranging from 1,500 to 15,000 cps. These polyoxamate/polyols are useful in the preparation of urethane elastomers and high resilience foams.
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Leuzzi, II Paul W.
Union Carbide Corporation
Welsh Maurice J.
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