CARRIER FOR DEVELOPER

A carrier for a developer which carrier comprises a coating layer on a carrier core material, the coating layer comprising a silicone oil of formula (I): wherein p is a positive integer and the groups R are the same or different and each is independently selected from C1-4 alkyl, phenyl and monovale...

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Bibliographic Details
Main Authors KAWANO, NOBUAKI, HONDA, KOJI, UMEDA, KIMINORI, KAWATA, HIDEAKI, FUNATO, MASATOMI
Format Patent
LanguageEnglish
Published 30.01.1991
Edition5
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A carrier for a developer which carrier comprises a coating layer on a carrier core material, the coating layer comprising a silicone oil of formula (I): wherein p is a positive integer and the groups R are the same or different and each is independently selected from C1-4 alkyl, phenyl and monovalent organic groups having at least one vicinal epoxy group, provided that at least one group R is a monovalent organic group having at least one vicinal epoxy groups and provided that there is at least one C1-4 alkyl or phenyl group on each silicon atom and at least two C1-4 alkyl or phenyl groups on each terminal silicon atom, in which the spending phenomenon is prevented, the moisture resistance and flowability are improved, a stable friction chargeability can be maintained for a long time and the durability is much improved.
Bibliography:Application Number: EP19900307758