Electrostatographic suspension developer of block copolymer reac

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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430115, G03G 912

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active

045992916

ABSTRACT:
The suspension developer contains, in an electrically-insulating carrier liquid, a pigment and a block copolymer comprising a block of polymerized vinylaromatic compounds and a block of polymerized dienes the double bonds of which have been partially or completely reacted with alkyl mercaptans. The developer is distinguished by its high dispersion stability, small particle size and uniform particle size distribution.

REFERENCES:
patent: 3900412 (1975-08-01), Kosel
Merrill et al., "Liquid Electrographic Developers", Research Discl., 14337, Mar. 1976.

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