Binder resin for color toners and color toner using the same

Provided is a binder resin for color toners which comprises at least a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E) and a reaction product thereof, wherein the storage modulus G' at 160 degrees centigrade is not less than 20 and less than 800 Pa measure...

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Bibliographic Details
Main Authors SAKATA KAZUYA, TAKEI HIROYUKI, UCHIYAMA KENJI, MATSUOKA HIROSHI, SASAKI ICHIROU
Format Patent
LanguageEnglish
Published 28.05.2013
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:Provided is a binder resin for color toners which comprises at least a carboxyl group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E) and a reaction product thereof, wherein the storage modulus G' at 160 degrees centigrade is not less than 20 and less than 800 Pa measured at a frequency of 6.28 rad/sec, the tetrahydrofuran (THF) soluble portion in the binder resin has a main peak in the molecular weight region of not less than 20,000 and less than 40,000 in the molecular weight distribution measured by gel permeation chromatography (GPC), and the binder resin contains at least one of releasing agents having a melting point of not lower than 60 and not higher than 120 degrees centigrade in an amount of not less than 3.5 and not more than 12 mass % based on 100 mass % of the total amount of the carboxyl group-containing vinyl resin (C), the glycidyl group-containing vinyl resin (E) and a reaction product thereof.
Bibliography:Application Number: US20080675362