Process and apparatus for the preparation of a reaction mixture

Details Process and apparatus for the preparation of a reaction mixture Process and apparatus for the preparation of a reaction mixture

1976-09-22

1979-01-02

Cockeram, H.S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521917, 422133, C08G 1808, C08G 1814, B01J 100

Patent

active

041328388

ABSTRACT:
The instant invention relates to a process and apparatus for the preparation of a reaction mixture for the production of foam materials from at least two components, wherein one of the components, before it is mixed with the remaining components to form the reaction mixture, is passed through a constriction at a predetermined flowrate. The constriction produces a zone of reduced pressure and a gas is fed into the reduced pressure zone.

REFERENCES:
patent: 2730433 (1956-01-01), Cartledge
patent: 3286992 (1966-11-01), Armeniades et al.
patent: 4022722 (1977-05-01), Prokai et al.
Knox- DuPont Foam Bulletin, Sept. 12, 1960, 1 page.

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