Automatic autonomous apparatus for the fast production of polyur

Details Automatic autonomous apparatus for the fast production of polyur Automatic autonomous apparatus for the fast production of polyur

1985-03-20

1986-10-14

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

169 27, 169 28, 422112, 422169, 422224, 422305, 422135, B01J 1400

Patent

active

046171746

ABSTRACT:
The foam is produced by mixing an isocyanate with a polyalcohol from a tight storage tank with two compartments, each of which contains one of the aforementioned products, the upper part of the tank being provided with a solid propellant trip or starter, which generates a pressurization gas form the tank. In the lower part of the storage tank, there is a pressure threshold mixer, whose operation is automatically controlled by the pressure prevailing in the tank and which has a mixing chamber entered (under the effect of the same pressure) by the isocyanate and the polyol via lateral injection nozzles, which produce a rotation of the mixture, the polyols being previously emulsified by a neutral gas (such as air or nitrogen) from a pressurized storage container.

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patent: 4126184 (1978-11-01), Hinrichs
patent: 4202279 (1980-05-01), Rand
patent: 4415269 (1983-11-01), Fraser

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