Process for the preparation of bead polymers of uniform particle

Details Process for the preparation of bead polymers of uniform particle Process for the preparation of bead polymers of uniform particle

1981-08-07

1984-01-24

Schofer, Joseph L.

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

Synthetic resins

Ion-exchange polymer or process of preparing

C08D 520

Patent

active

044277946

ABSTRACT:
Process for the production of bead polymers of improved uniform particle size and uniform quality comprising (a) producing droplets which have a uniform particle size from the monomer or polymerization mixture to be polymerized by spraying the monomer or polymerization mixture into a liquid (continuous phase) which is essentially immiscible with the monomer or polymerization mixture, (b) encapsulating these droplets of uniform size are by shells which are stable under the polymerization conditions to be used and (c) then polymerizing the encapsulated droplets, and with the provision to maintain in the process steps of droplet production and encapsulation of the droplets certain special conditions.

REFERENCES:
patent: 3429827 (1969-02-01), Rims
patent: 3458436 (1969-07-01), Martinola et al.
patent: 3577515 (1968-03-01), Vandegaer
patent: 3862924 (1975-01-01), Hamann et al.
patent: 3922255 (1975-11-01), Koestler et al.
P. Naefe et al., Chem. Ing. Tech. (50/1978), Nr. 4, pp. 321-327.

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