Polyurea elastomer with reduced moisture vapor transmission

Details Polyurea elastomer with reduced moisture vapor transmission Polyurea elastomer with reduced moisture vapor transmission

1993-04-12

1994-05-31

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 60, 528 67, 528 68, 525131, C08G 1850, C08G 1865

Patent

active

053170768

ABSTRACT:
A polyurea elastomer which exhibits a reduced moisture transfer rate is disclosed. The elastomer includes an isocyanate, an amine terminated 1,2-polyoxybutylene diol and a chain extender. The isocyanate is preferably a quasiprepolymer of an isocyanate and a material selected from at least one polyol, a high molecular weight polyoxyalkyleneamine or a combination thereof.

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