Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1995-10-16
1998-01-27
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430111, G03G 9097
Patent
active
057120714
ABSTRACT:
A toner produced by pulverizing and classifying a melt and kneaded mixture comprising a binder resin, a colorant and an offset preventing agent, said binder resin comprising a styrene-type copolymer and said offset preventing agent comprising a polypropylene having a softening point of 135.degree. to 155.degree. C. and a polyethylene having a softening point of 100.degree. to 150.degree. C., wherein a total amount of said polypropylene and said polyethylene is 2 to 10 parts by weight per 100 parts by weight of the binder resin and a weight ratio of said polypropylene to said polyethylene is 1:3 to 1:1, and said pulverizing and classifying carried out by a pulverizer and classifier which impart mechanical impact on a particle to be treated.
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Fukuda Hiroyuki
Mikuriya Yoshihiro
Nishihara Yoshikazu
Sukeno Mikihiko
Martin Roland
Minolta Co. , Ltd.
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