Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making developer composition
Patent
1987-03-31
1989-10-10
Welsh, J. David
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Process of making developer composition
430114, 524533, G03G 912, G03G 1100
Patent
active
048731668
ABSTRACT:
Disclosed is a process for producing a liquid developer for electrostatic photography which comprises a highly insulating hydrocarbon medium and resin particles dispersed therein, said process comprising polymerizing a monomer (A) soluble in said medium, but insolubilized upon being polymerized in the presence of a polymer (S) insoluble in said medium and having a carboxyl group, a hydroxyl group or an amide group. In this process, a monomer (B) soluble in said medium and still soluble upon being polymerization and/or a monomer (C) having at least two polymerizable unsaturated double bonds may also be polyumerized.
REFERENCES:
patent: 3657130 (1972-04-01), Machida et al.
patent: 4636452 (1987-01-01), Furukawa et al.
Hashimoto Takimi
Senga Takao
Takaoka Kazuchiyo
Yamamoto Hirokazu
Mitsubishi Paper Mills Ltd.
Welsh J. David
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