Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1988-05-25
1989-10-31
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430 98, 430110, 430138, 428407, G03G 908
Patent
active
048777064
ABSTRACT:
A cold pressure fixing toner composition comprised of a core containing a polymer component and magnetic pigment particles, and wherein the core is encapsulated within a shell comrised of the interfacial polycondensation reaction of a first polyisocyanate component and a second amine component, which toner includes thereon an electroconductive material obtained from a water based dispersion of said material in a polymeric binder, said first polyisocyanate component being selected from the group consisting of PAPI 27, PAPI 135, PAPI 94, PAPI 901, Isonate 143L, Isonate 181, Isonate 125M, Isonate 191, and Isonate 240; and said second amine component selected from the group consisting of ethylenediamine, tetramethylenediamine, pentamethylenediamine, hexamethylenediamine, p-phenylenediamine, m-phenylenediamine, 2-hydroxy trimethylenediamine, diethylenetriamine, triethylenetetraamine, tetraethylenepentaamine, 1,8-diaminooctane, xylylene diamine, bis(hexamethylene)triamine, tris(2-aminoethyl)amine, 4,4'-methylene bis(cyclohexylamine), bis(3-aminopropyl)ethylene diamine, 1,3-bis(aminomethyl)cyclohexane, 1,5-diamino-2-methylpentane piperazine, 2-methylpiperazine, 2,5-dimethylpiperazine, and 1,4-bis(3-aminopropyl)piperazine.
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Listigovers Nancy A.
Mahabadi Hadi K.
Martin Trevor I.
Ng Tie H.
Lindeman Jeffrey A.
Michl Paul R.
Palazzo E. O.
Xerox Corporation
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