Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ion-exchange polymer or process of preparing
Patent
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.
Lange Peter M.
Struver Werner
Bayer Aktiengesellschaft
Kulkosky Peter F.
Schofer Joseph L.
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