Polyurethaneurea composition

Details Polyurethaneurea composition Polyurethaneurea composition

1991-08-20

1992-11-10

Welsh, Maurice J.

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 64, 528 78, 528 79, 4273855, 4284231, C08G 1810

Patent

active

051624818

ABSTRACT:
A substantially solvent-free two-part polyurethaneurea composition having excellent adhesion to elastomeric substrates, comprising the reaction product of a macrodiol endcapped with an oligomeric aromatic amine and a polyisocyanate or prepolymer. With selected compositions, curing can be effected in moist conditions, or even under water. The composition provides an excellent sealant or repair for elastomeric/rubberized articles such as waders, etc.

REFERENCES:
patent: 4328322 (1982-05-01), Baron
patent: 5002806 (1991-03-01), Chung

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