Composition dispensing system

Details Composition dispensing system Composition dispensing system

1989-09-22

1992-11-24

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 65, 528 76, 528 77, 528 83, 528 15, 528335, 222137, C08G 1870

Patent

active

051663015

ABSTRACT:
A composition is provided adapted for a dual chamber (12, 14) applicator 10 having a common mixing zone 42, the composition comprising a low viscosity side A liquid mixture of a hydroxyl functional moiety component and at least two isocyanate components thixatropically reactive with amines, and a side B of at least two amines differentially reactive with said isocyanates in side A for a reaction first to a relatively low viscosity mass and thereafter to a relatively high viscosity mass as a function of time in passing through and then out of the applicator mixing zone 42.

REFERENCES:
patent: 3475266 (1969-10-01), Strassel
patent: 4748192 (1988-05-01), Smith
patent: 4859735 (1989-08-01), Cung Vu
patent: 4869400 (1989-09-01), Jacobs
patent: 5059672 (1991-10-01), Engebretson

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