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Copper phthalocyanine manufacturing process

A process for the production of a copper phthalocyanine pigment composition from 70 to 99% by weight of a crude copper phthalocyanine and 30 to 1% by weight of a phthalocyanine derivative, the crude copper phthalocyanine being converted to a pigment without a large amount of energy and the treatment of exhaust water, the copper phthalocyanine pigment composition having excellent fluidity

  • WO1999054410A1 - Production process of copper
    WO1999054410A1 - Production process of copper

    The present invention provides a process for the production of pigmentary copper phthalocyanine in the beta crystalline phase comprising: a) dry or aqueous milling of crude copper phthalocyanine in combination with a natural or chemically modified resin and, optionally, a grinding auxiliary followed by; b) isolation of the milled mass followed by; c) conditioning treatment of the milled mass

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  • Process for the production of copper phthalocyanine
    Process for the production of copper phthalocyanine

    Mar 29, 1995 A process for the production of a copper phthalocyanine by a urea method, which enables the production of a highly pure copper phthalocyanine and/or its derivative by a uniform reaction, i.e., is free from problems of an insufficient mixing, nonuniformity in heat transfer and adhesion of the reaction mixture to a reactor wall, the process comprising heating a raw material mixture

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  • Fabrication and Characterization of Copper
    Fabrication and Characterization of Copper

    copper phthalocyanine as p-channel active material on SiO 2 dielectric and gold electrodes with a bottom-gate bottom-contact structure. 2. EXPERIMENTAL Here, n-type Si wafers 100 (0.0029 Ω cm) with thermally oxidized 300 nm SiO 2 dielectric are used as a substrate. The wafers were cleaned by the RCA standard cleaning process

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  • Manufacturing of C-P-C Blue Crude, Pigment Alpha Blue 15:0
    Manufacturing of C-P-C Blue Crude, Pigment Alpha Blue 15:0

    Stage 2 : Take above heated crude material into dumping vessel with spent sulphuric acid (mother liquor from Alpha Blue) and add water. Then start heating up to 95 deg C and maintain for 3 hrs.. Then filter in filter press, wash it , Neutralize it , dry & pulverize it and packed the final product as a CPC blue

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  • Copper Phthalocyanines - PCI Mag
    Copper Phthalocyanines - PCI Mag

    Jan 01, 2005 Copper Phthalocyanines. Copper Phthalocyanine (CPC) pigments, by virtue of their exceptionally brilliant shade, high tinctorial strength, low cost and outstanding fastness properties, have been ruling the colorant industry ever since their commercial introduction in 1935

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  • Manufacturing Process - DHANLAXMI PIGMENTS PVT. LTD
    Manufacturing Process - DHANLAXMI PIGMENTS PVT. LTD

    MANUFACTURING PROCESS: Chlorination: In this stage Copper phthalocyanine blue is converted to Copper phthalocyanine green by chlorination reaction. Chlorination of Copper phthalocyanine blue is carried out in a glass lined vessel of 3000lit.The raw materials anhydrous Aluminum chloride, Sodium chloride, CPC Blue, cupric chloride is charged lot

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  • Influence of the Processing Parameters on the Dispersion
    Influence of the Processing Parameters on the Dispersion

    cial Polyamide 6 matrix (PA6) with a halogenated copper phthalocyanine green pigment. The production process was investigated and optimized in order to improve the pigment dispersion, reducing the clogging power and increasing the color strength of the resulting products. The compounding process based on three extrusions without filtration led

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  • Phthalocyanine production technology project information
    Phthalocyanine production technology project information

    Copper Phthalocyanine dyes are produced by introducing solubilizing groups, such as one or more sulfonic acid functions in CPC structure. These dyes find extensive use in various areas of textile dyeing (Direct dyes for cotton), for spin dyeing and in the paper industry

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  • A Cost Effective, Process For The Waste Treatment
    A Cost Effective, Process For The Waste Treatment

    Aug 20, 2015 Manufacturing of Copper phthalocyanine and other phthalocyanine pigments are done by solvent process and dry process. Solvent process is widely used by Indian chemical industries as the other alternatives available are either quite economically not feasible of

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  • T 0210/04 (Phtalocyanine pigment/TOYO INK MANUFACTURING
    T 0210/04 (Phtalocyanine pigment/TOYO INK MANUFACTURING

    Nov 15, 2006 Nov 15, 2006 5.3.3 The second set of experiments of document (28) submitted by the Appellant intended to demonstrate that in the process for the production of a copper phthalocyanine pigment, the amount of inorganic salt ranging from 2 to 10 parts by weight, based on the crude copper phthalocyanine, was critical for obtaining a superior gloss and tinting

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  • SEMICONDUCTOR MIXED MATERIAL AND MANUFACTURING
    SEMICONDUCTOR MIXED MATERIAL AND MANUFACTURING

    Apr 23, 2018 Apr 23, 2018 A semiconductor mixed material and manufacturing method thereof, a thin film transistor and an electronic device are provided. The semiconductor mixed material includes an inorganic semiconductor nanoparticle and an organic semiconductor material, and the inorganic semiconductor nanoparticle is dispersed in the organic semiconductor material

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  • vanadium phthalocyanine novel
    vanadium phthalocyanine novel

    vanadium phthalocyanine novel - zahnarzt-berlin-buch.de. 2021-9-26 vanadium phthalocyanine novel. VanadiumV oxide as a Catalyst During the Contact Process for manufacturing sulfuric acid sulfur dioxide has to be converted into sulfur trioxide which is done by passing sulfur dioxide and oxygen over a solid vanadiumV oxide catalyst SO2 dfrac12O2 ceV2O5 SO3 This is a good example of the ability

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  • Process for the production of copper phthalocyanine - Toyo
    Process for the production of copper phthalocyanine - Toyo

    A process for the production of copper phthalocyanine, which overcomes the defect of a method using two reaction steps that since phthalimide formed in the first step adheres to the wall of a reactor and a stirring blade, the reaction in the second step does not smoothly proceed, so that the yield and the purity of the resultant pigment are low, and which process enables the industrially

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  • US5296034A - Process for the production of copper
    US5296034A - Process for the production of copper

    Copper phthalocyanine pigments and pigment preparations in the α phase are prepared with phase conversion from copper phthalocyanine crude pigments of the β phase in an environmentally safe and economical manner by a) first wet milling a copper phthalocyanine pigment, which is predominantly present in the β phase, in an aqueous, preferably neutral to alkaline medium in a stirred ball mill

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