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Copper chloride phthalocyanine pigment composition for non-bronze plastic coloring and preparation method

A phthalocyanine pigment and copper chloride technology, applied in the field of chemical pigments, can solve the problems such as the inability to effectively reduce the bronze properties of copper phthalocyanine pigments, the coarse particles of copper phthalocyanine pigments, and the reduction of bronze properties, and achieve repeatability and reliability. Operability, short production process time, easy processing and grinding effect

Active Publication Date: 2022-02-18
浙江瑞灿科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the copper phthalocyanine pigment particle that this method produces is thicker, and dispersibility is poor, also can not effectively reduce the bronze performance of copper phthalocyanine pigment
[0006] The above-mentioned prior art about copper peptide nitrile pigments and their compositions failed to effectively reduce the color fastness, light resistance, heat resistance and corrosion resistance of the pigments when used on plastic surfaces. bronze performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] 18.5 parts of crude copper phthalocyanine chloride (average number of chlorine substituents: 0.5) and 1.5 parts of phthalimide methyl copper phthalocyanine were dissolved in 180 parts of sulfuric acid with a mass fraction of 95% to prepare ejector. Sulfuric acid slurry is obtained by aspirating with (resin aspirator) while mixing with hot water. The acid solution was obtained by contacting the sulfuric acid slurry and the poor solvent with the spray deposition method to obtain an acid solution; the acid solution was aged at 70°C for 1 hour, filtered, and then washed with water repeatedly until it became neutral. Then, a solution obtained by emulsifying xylene with an emulsifier was added to the pigment slurry, and xylene was distilled off, followed by filtration, washing with water, and drying. The dried product was pulverized to obtain a copper chloride phthalocyanine pigment composition.

Embodiment 2

[0056] 45 parts of crude copper phthalocyanine chloride (the average number of chlorine substituents: 0.5) and 18.5 parts of copper phthalocyanine dimethyl propyl sulfamate were dissolved in 180 parts of sulfuric acid with a mass fraction of 95% at 95°C, Used to prepare injectors. Sulfuric acid slurry is obtained by aspirating with (resin aspirator) while mixing with hot water. The acid solution was obtained by contacting the sulfuric acid slurry and the poor solvent with the spray deposition method to obtain an acid solution; the acid solution was aged at 70°C for 1 hour, filtered, and then washed with water repeatedly until it became neutral. Then, a solution obtained by emulsifying xylene with an emulsifier was added to the pigment slurry, and xylene was distilled off, followed by filtration, washing with water, and drying. The dried product was pulverized to obtain a copper chloride phthalocyanine pigment composition.

Embodiment 3

[0058] Take 18.5 parts of crude copper phthalocyanine chloride (average chlorine substituent number 0.5) and 1.5 parts of copper phthalocyanine sulfonic acid dimethyl diallyl ammonium salt (sulfonic acid substituent number 1.0), add to 180 parts by mass at 45°C Sulfuric acid with a fraction of 95% is used to prepare injectors. Mix with hot water while sucking with a resin aspirator to obtain sulfuric acid slurry. The acid solution was obtained by contacting the sulfuric acid slurry and the poor solvent with the spray deposition method to obtain an acid solution; the acid solution was aged at 70°C for 1 hour, filtered, and then washed with water repeatedly until it became neutral. Then, a solution obtained by emulsifying xylene with an emulsifier was added to the pigment slurry, and xylene was distilled off, followed by filtration, washing with water, and drying. The dried product was pulverized to obtain a copper chloride phthalocyanine pigment composition.

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Abstract

The invention belongs to the field of chemical pigments, in particular to a copper chloride phthalocyanine pigment composition used for coloring non-bronze plastics. A copper chloride phthalocyanine pigment composition used for coloring non-bronze plastics provided by the invention can effectively reduce the color fastness, light fastness, heat resistance and corrosion resistance of the pigments used on the plastic surface. When the bronze performance. The pigment composition comprises the following components: 100 parts of copper phthalocyanine chloride with an average chlorine substituent number of 0.1-3; 1-20 parts of CuPc-(Y)n; wherein, CuPc represents copper phthalocyanine residue; Y represents sulfonic acid, Substituents of sulfonate, sulfamic acid salt or alkyl phthalimide; n represents the average number of substituents, and n is 0.5‑3. Meanwhile, the invention also provides a preparation method of the pigment composition.

Description

technical field [0001] The invention belongs to the field of chemical pigments, and in particular relates to a copper chloride phthalocyanine pigment composition and a preparation method for non-bronze plastic coloring. Background technique [0002] Phthalocyanine pigment is a water-insoluble organic compound containing phthalocyanine molecules in its molecular structure. As a chromophore conjugated system, phthalocyanine is a cyclic alkene structure that combines four indoles to form a polycyclic molecule and contains 18 electrons. . As a kind of blue pigment derived from phthalocyanine structure, phthalocyanine pigment has bright color, strong tinting strength, high fastness, high light resistance, high weather resistance, high heat resistance, good dispersion, strong hiding power and durability , Acid and alkali corrosion resistance, fine particles, easy to diffuse, easy to process and grind. In addition, phthalocyanine pigments are polymorphic compounds, among which α ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09B47/10C09B67/12C09B67/16C09B67/00C08K5/3417C08K5/42
CPCC09B47/10C09B67/0032C09B67/0019C09B67/0016C08K5/0091
Inventor 张家松高华峰
Owner 浙江瑞灿科技有限公司
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