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Phthalocyanine blue and manufacturing process

A manufacturing process, phthalocyanine blue technology, applied in the direction of organic dyes, etc., can solve the problems of excessive waste gas and waste water, pollute the environment, and high energy consumption, and achieve good heat resistance and weather resistance, less waste gas and waste water, and energy consumption low effect

Active Publication Date: 2012-02-29
滨海康益医药化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing phthalocyanine blue pigment manufacturing process has the problems of generating more waste gas and waste water, polluting the environment, and consumes a lot of energy

Method used

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Examples

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Embodiment Construction

[0025] A kind of phthalocyanine blue, comprises copper phthalocyanine, sulfuric acid and auxiliary material, and described auxiliary material comprises liquid caustic soda, rosin and calcium chloride, and the weight percent of its composition is as follows:

[0026] Copper phthalocyanine 45-50%;

[0027] Sulfuric acid 45-48%;

[0028] Liquid caustic soda 3-5%;

[0029] Rosin 1-2%;

[0030] Calcium chloride 1-2%.

[0031] In this embodiment, the copper phthalocyanine accounts for 47%, liquid caustic soda accounts for 4.6%, rosin accounts for 1.5%, calcium chloride accounts for 1.5%, and the balance is sulfuric acid. The purity of the copper phthalocyanine is greater than or equal to 95%, and the concentration of sulfuric acid is 95-99%.

[0032] The manufacturing process of phthalocyanine blue comprises the following steps:

[0033] (1) acid-soluble, the copper phthalocyanine of 620 parts is mixed with the sulfuric acid of 98% with 600 parts of concentration;

[0034] (2)...

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PUM

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Abstract

The invention relates to phthalocyanine blue and a manufacturing process. The phthalocyanine blue comprises the following components: 45 to 50 percent of copper phthalocyanine, 45 to 48 percent of sulfuric acid, 3 to 5 percent of liquid caustic soda, 1 to 2 percent of rosin and 1 to 2 percent of calcium chloride. The purity of copper phthalocyanine is over 95 percent, and the concentration of the sulfuric acid is 95 to 99 percent. The manufacturing process comprises: (1) a step of acid dissolution, which is to mix 620 parts of copper phthalocyanine with 600 parts of 98-percent sulfuric acid; (2) a step of dilution, which is to add 4,000 parts of water and introducing 2,500 parts of vapor; (3) a step of pickling; (4) a step of neutralization, which is to add 60 parts of liquid caustic soda and 800 parts of water for neutralization; (5) a step of pulping, which is to add 2 parts of rosin and calcium chloride and introducing 400 parts of vapor; (6) a step of alkaline wash; (7) a step of drying; and (8) a step of crushing. The manufacturing process produces less waste gas and waste water, consumes less energy and produces little environment pollution. The phthalocyanine blue pigment manufactured by the invention has good color, transparency and tinctorial strength and high thermal stability and weather resistance and is particularly applicable to printing ink.

Description

technical field [0001] The invention relates to a phthalocyanine blue pigment, in particular to a formulation of the phthalocyanine blue pigment and a manufacturing process of the phthalocyanine blue. Background technique [0002] The manufacturing process of phthalocyanine blue pigment generally includes acid-dissolution method and grinding method. The acid-dissolution method usually treats crude phthalocyanine blue with acid, and then undergoes processes such as neutralization, rinsing, drying and crushing. At present, the acid-soluble method utilizes the property that phthalocyanine blue can be dissolved in concentrated sulfuric acid, dissolves it, and then precipitates crystals to obtain uniform and fine pigment particles. In order to control the agglomeration of particles, surface treatment, such as adding surfactants, is often required. The existing phthalocyanine blue pigment manufacturing process has the problems of generating more waste gas and waste water, polluti...

Claims

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Application Information

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IPC IPC(8): C09B67/20
Inventor 孙敬东
Owner 滨海康益医药化工有限公司
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