Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1980-05-27
1982-08-03
Silverberg, Sam
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
B05D 106
Patent
active
043428240
ABSTRACT:
Disclosed herein is a developer with a flowable coated carrier for use in electrophotographic recordings. The carrier is coated with a solution formed by reacting a polyfunctional polyisocyanate with hydroxy containing polymers in the presence of a catalyst. The reaction occurs with a range of 1.4 to 1.55 parts polyfunctional polyisocyanate to one part of the hydroxy containing polymer. A fluid bed process is used to coat the carrier by cycling the carrier material thru a spray of the solution until a desired coating thickness is achieved and then the material is heat cured. The carrier is coated with an alipathic aeromatic cross-linked resin having a longer useful life and better triboelectric stability.
REFERENCES:
patent: 3632512 (1972-01-01), Miller
patent: 3778262 (1973-12-01), Queener
patent: 3811880 (1974-05-01), Browning
patent: 3922382 (1975-11-01), Kukla
patent: 4007293 (1977-02-01), Mincer
patent: 4042517 (1977-08-01), Moriconi
patent: 4078930 (1978-03-01), Mammino
patent: 4209550 (1980-06-01), Hagenbach
Chemical Products for Coatings & Binders Surfacings & Sealants, Mobay Chemical.
Chemistry for Coatings, Mobay Chemical, Plastic & Coatings Division.
Imaging Systems Corporation
Silverberg Sam
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