PREPARATION OF EPSILON COPPER PHTHALOCYANINE OF SMALL PRIMARY PARTICLE SIZE AND NARROW PARTICLE SIZE DISTRIBUTION BY KNEADING

A process of preparing copper phthalocyanine particles exhibiting a e crystallographic form, comprising a kneading step by kneading at at least two different temperatures copper phthalocyanine particles wherein more than or equal to 50 wt % of the particles exhibit an a crystallographic form in pres...

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Bibliographic Details
Main Authors JUNG, KISUCK, HAN, SANG-MIN, CHOI, IL-JO, KIM, DONG-YOON, JEONG, EUN-HA, JEONG, HYUN-SEOK
Format Patent
LanguageEnglish
French
Published 07.01.2010
Subjects
ADHESIVES
APPARATUS SPECIALLY ADAPTED THEREFOR
CHEMISTRY
CINEMATOGRAPHY
DYES
ELECTROGRAPHY
HOLOGRAPHY
LAKES
MATERIALS THEREFOR
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
ORIGINALS THEREFOR
PAINTS
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
POLISHES
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Summary:A process of preparing copper phthalocyanine particles exhibiting a e crystallographic form, comprising a kneading step by kneading at at least two different temperatures copper phthalocyanine particles wherein more than or equal to 50 wt % of the particles exhibit an a crystallographic form in presence of a liquid and of at least one inorganic salt. L'invention concerne un procédé de préparation de particules de phtalocyanine de cuivre présentant une forme cristallographique e comportant une étape de malaxage consistant à malaxer des particules de phtalocyanine de cuivre se trouvant à au moins deux températures différentes, une quantité supérieure ou égale à 50 % en poids des particules présentant une forme cristallographique a en présence d'un liquide et d'au moins un sel inorganique.
Bibliography:Application Number: WO2008EP65448