Composition dispensing system

Details Composition dispensing system Composition dispensing system

1988-02-29

1989-09-26

Rolla, Joseph J.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With discharge assistant for each source

222145, 222391, B67D 552, B67D 542, B67D 560

Patent

active

048694002

ABSTRACT:
An applicator delivers from side by side chambers a two-part urethane polymer composition in which the diisocyanate is differentially reactive with two amine components of side B such that an initial, faster reaction with one amine keeps viscosity low while a second, slower reaction with the second amine builds viscosity to a self-supporting paste outside the applicator.

REFERENCES:
patent: 3952920 (1976-04-01), Bergman
patent: 4471888 (1984-09-01), Herb et al.
patent: 4522504 (1985-06-01), Greverath
patent: 4538920 (1985-09-01), Drake
patent: 4566610 (1986-01-01), Herb
patent: 4767026 (1988-08-01), Keller et al.

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