System and method for preparing phthalocyanine blue P.B.15 by slurry direct acid expansion method

The invention relates to a system and method for preparing phthalocyanine blue P.B.15 by a slurry direct acid expansion method. The system comprises a pulping kettle, a calibration metering kettle, anacid expansion kettle, an acid boiling kettle, a filter press and an alkali boiling kettle which are...

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Bibliographic Details
Main Authors YIN SHOUHUA, MA SHUMIN, WANG GUOJIAN, LIU BANGKUN, HE SHOUQIN
Format Patent
LanguageChinese
English
Published 08.12.2020
Subjects
ADHESIVES
CHEMISTRY
DYES
LAKES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
PAINTS
POLISHES
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Summary:The invention relates to a system and method for preparing phthalocyanine blue P.B.15 by a slurry direct acid expansion method. The system comprises a pulping kettle, a calibration metering kettle, anacid expansion kettle, an acid boiling kettle, a filter press and an alkali boiling kettle which are connected in sequence. The pulping kettle comprises a pigment feeding hole and a surfactant feeding hole, the surfactant is selected from sodium butyl naphthalene sulfonate or methylnaphthalene sulfonate formaldehyde condensate, and the pigment comprises a refined copper phthalocyanine filter cakeobtained by acid boiling and filtering of copper phthalocyanine. The method comprises the following steps: adding a pigment containing a refined copper phthalocyanine filter cake into the pulping kettle, adding a surfactant, performing dispersing, carrying out wet grinding, adding water to obtain slurry, and carrying out acid expansion, acid boiling and alkali boiling on the slurry to obtain phthalocyanine blue P.B.15. Th
Bibliography:Application Number: CN202010872801