Method and apparatus for applying non-chemically foamed multi-co

Details Method and apparatus for applying non-chemically foamed multi-co Method and apparatus for applying non-chemically foamed multi-co

1989-08-04

1992-01-21

Huppert, Michael S.

Dispensing

Processes of dispensing

222136, 222190, 222318, 422133, 422225, B01F 304

Patent

active

050821423

ABSTRACT:
A two-component thermosetting polymer system is formed and dispensed by adding a foaming agent to one of two components of the polymer system. A solution of the foaming agent in the first component is formed in a supply tank. The foaming agent and first component solution is then mixed with a second component at a dispensing head or nozzle. By adding the foaming agent to only one of the two components and, in particular, by forming a solution of the foaming agent in the first component one is able to very carefully control the foam density of the cured end product.

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