Pretreatment in encapsulation process

Details Pretreatment in encapsulation process Pretreatment in encapsulation process

1985-04-24

1986-05-13

Beck, Shrive P.

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

427220, 426307, B05D 122

Patent

active

045886121

ABSTRACT:
A process for encapsulating materials which are difficult to fluidize in a fluidized bed reactor comprising the steps of (1) compacting said materials into a plurality of flat chips; (2) grinding said chips into particles having a small particle size; (3) forming a fluid bed of the particles of step (2) in a fluid bed spray reactor; (4) applying a spray of a melted or molten hydrogenated liquid or wax to the surface of said particles in said reactor, encapsulating said particles; withdrawing said encapsulating material from said reactor.

REFERENCES:
patent: 2986475 (1961-05-01), Mesnard et al.
patent: 3447950 (1969-06-01), Evans et al.
patent: 3740248 (1973-06-01), Buhler et al.
patent: 4139639 (1979-02-01), Bahoshy et al.
patent: 4384004 (1983-05-01), Cea et al.

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