Easily dispersing phthalocyanine blue

Details Easily dispersing phthalocyanine blue Easily dispersing phthalocyanine blue

C - Chemistry, Metallurgy

09

B

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C09B 47/04 (2006.01) C09B 62/00 (2006.01) C09B 67/00 (2006.01) C09B 67/12 (2006.01) C09C 1/00 (2006.01) C09C 3/00 (2006.01)

Patent

CA 1183309

EASILY DISPERSING PHTHALOCYANINE BLUE Abstract of the Disclosure Copper phthalocyanine blue pigments are produced by (A) grinding, 1. copper phthalocyanine blue crystals with 2. an inorganic salt and digesting the ground copper phthalocyanine blue in water containing a strong mineral acid. (B) separately preparing an emulsion by dissolving 1. a resin in 2. an organic solvent, 3. an emulsifying agent and 4. water (C) mixing 1. the emulsified resin with 2. the digested ground copper phthalocyanine pigment and (D) separating the pigment from the other mater- ials.

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