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A kind of mica titanium gold pigment with blue effect and preparation method thereof

A technology of mica titanium and pigments, which is applied in the direction of pigment preparation, inorganic pigment treatment, chemical instruments and methods, etc. It can solve the problems of uneven light color, insufficient controllability, and large surface layer structure thickness of surface layer coatings. , to achieve enhanced visual effects, good production economic benefits, simple environmental protection process

Active Publication Date: 2018-05-29
杭州华大海天科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, this method is mainly used in the production and coating of pearlescent pigments. The thickness of the surface layer structure is relatively large and the controllability is not enough. The unevenness of the surface layer coating makes the light color of refracted-reflected light very mixed.

Method used

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  • A kind of mica titanium gold pigment with blue effect and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0026] A mica titanium gold pigment with a blue effect such as figure 1 As shown, it includes substrate 1, two layers of cationic layers and two layers of pigment anion layers. One layer of pigment anion layer 3, the first layer of pigment anion layer 3 is coated with the second layer of cationic layer 4, the surface of the second layer of cationic layer 4 is coated with the second layer of pigment anion layer 5; the base material 1 is golden mica titanium pearlescent pigment, The material of the cationic layer is PAH, and the material of the pigment cationic layer is copper phthalocyanine polysulfonate.

[0027] A preparation method of mica titanium gold pigment with blue effect, comprising the following steps:

[0028] Step 1, mixing 30% hydrogen peroxide with a mass fraction of 1:4 and sulfuric acid with a mass fraction of 98% to obtain a mixed solution; immersing the substrate 1 in the mixed solution, soaking at 72°C for 32 minutes, Obtain solid after filtration, dry aft...

Embodiment 2

[0034] A mica titanium gold pigment with blue effect, including a base material, two cationic layers and two pigment anion layers, the base material is the innermost layer, the surface of the base material is coated with the first cationic layer, and the first cationic layer The surface is coated with the first layer of pigment anion layer, the first layer of pigment anion layer is coated with the second layer of cationic layer, the surface of the second layer of cationic layer is coated with the second layer of pigment anion layer, the base material is golden mica titanium pearlescent pigment, the cationic layer The material of the pigment is PDDA, and the material of the cationic layer of the pigment is copper phthalocyanine disulfonate.

[0035] A preparation method of mica titanium gold pigment with blue effect, comprising the following steps:

[0036] Step 1, mix 30% hydrogen peroxide with a mass fraction of 1:3 and sulfuric acid with a mass fraction of 98% to obtain a mi...

Embodiment 3

[0042] A mica titanium gold pigment with blue effect, including a base material, three cationic layers and three pigment anion layers, the base material is the innermost layer, the surface of the base material is coated with the first cationic layer, and the first cationic layer The surface is coated with the first layer of pigment anion layer, the first layer of pigment anion layer is coated with the second layer of cationic layer, and then the cationic layer and the pigment anion layer are alternately coated, the outermost layer is the pigment anion layer, and the base material is golden mica titanium The pearlescent pigment, the material of the cationic layer is a combination of PAH and PDDA, and the material of the cationic layer of the pigment is copper phthalocyanine polysulfonate.

[0043] A preparation method of mica titanium gold pigment with blue effect, comprising the following steps:

[0044] Step 1, mix 30% hydrogen peroxide with a mass fraction of 1:5 and sulfuri...

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Abstract

The invention relates to the field of pearlescent pigments, and discloses a mica-titanium gold pigment with a bluing effect. The mica-titanium gold pigment comprises a substrate, at least two cation layers and at least two pigment anion layers, the substrate is the innermost layer, the surface of the substrate is covered with the first cation layer, the surface of the first cation layer is covered with the first pigment anion layer, then the cation layers and the pigment anion layers alternately cover to construct to a multilayer ordered structure, and the outermost layer is the pigment anion layer. The invention also discloses a preparation method of the mica-titanium gold pigment with a bluing effect. The method allows the nanometer multilayer phthalocyanin pigment to be controllably constructed on the surface of the mica-titanium gold pigment in order to improve the bluing effect and the visual effect of the surface of the mica-titanium pearlescent pigment, and the pigment can be used in the fields of the automobile industry, anti-fake identification, ornaments and printing inks. The method has the advantages of controllable nanometer thickness, excellent bluing effect, simple process, environmental protection, good advanced property and wide application prospect.

Description

technical field [0001] The invention relates to the field of pearlescent pigments, in particular to a mica titanium gold pigment with blue effect and a preparation method thereof. Background technique [0002] Pearlescent pigments refer to decorative pigments with pearl luster, which are based on mica, flake quartz, flake alumina or flake glass powder, and then coated with a layer of high refractive index metal oxide transparent film composite As a result, when the light hits the flat interface of the shading pigment, reflected light and refracted-reflected light will be generated, and they interfere with each other to produce a pearlescent color with a strong three-dimensional effect. Pearlescent pigments are widely used in the automotive industry, plastic products, printing inks, decorative coatings, craft accessories and other fields due to their excellent properties such as strong luster, good decorative effect, non-toxicity, light resistance, heat resistance, and good c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09C1/40C09C3/08C09C3/10
CPCC01P2006/60C09C1/0015C09C3/006C09C3/08C09C3/10C09C2200/102C09C2200/404C09C2220/103
Inventor 夏桂玲吕德水林贤福
Owner 杭州华大海天科技股份有限公司
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