Magnetic pearlescent pigment with 3D (three-dimensional) effect and preparation method of magnetic pearlescent pigment

A pearlescent pigment, 3D effect technology, applied in inorganic pigment processing, chemical instruments and methods, fibrous fillers, etc., can solve the problems of affecting the color effect of pigments, weak surface magnetism of pigments, difficult to accurately control, etc., and achieve production economic benefits. Good, good magnetic properties, the effect of reducing the loss of ferric oxide

Active Publication Date: 2015-09-09
GUANGXI CHESIR PEARL MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In above-mentioned two kinds of inventions, no matter be to utilize potassium chlorate to generate ferric oxide or direct precipitation reaction generate ferric oxide as oxidant, it is difficult to precisely control Fe 3+ and Fe 2+ The problem of proportion, the oxidation of potassium chlorate cannot accurat

Method used

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  • Magnetic pearlescent pigment with 3D (three-dimensional) effect and preparation method of magnetic pearlescent pigment
  • Magnetic pearlescent pigment with 3D (three-dimensional) effect and preparation method of magnetic pearlescent pigment
  • Magnetic pearlescent pigment with 3D (three-dimensional) effect and preparation method of magnetic pearlescent pigment

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0035] Example 1

[0036] The finished pearlescent pigment is used as the base material to coat cobalt oxide, ferrous oxide and iron oxide in different proportions.

[0037] (1) Weigh 100g of QC110 silver pearlescent pigment (produced by Guangxi Qise Pearlescent Material Co., Ltd.), put it into a 1L reactor, add 800ml of deionized water, stir to make it evenly dispersed into a suspension.

[0038] (2) The suspension was heated in a constant temperature water bath and stabilized at 65°C, and the pH of the suspension was adjusted to 8.5 with a mass fraction of liquid caustic soda (liquid sodium hydroxide) of 31%.

[0039] (3) Adjust the temperature of the suspension to 75°C and the pH to 9.0. 10.93g CoCl 2 ·6H 2 O, 409.0mL FeCl 3 ·6H 2 O(75g / L) and 9.51g FeCl 2 ·4H 2 O is mixed and stirred to make a mixed solution, which is added dropwise at a rate of 0.75 ml / min while keeping the pH constant with sodium hydroxide solution. When the addition is completed, the pH is increased to 10 and s...

Example Embodiment

[0048] Example 2

[0049] The finished pearlescent pigment is used as the base material to coat cobalt oxide, ferrous oxide and iron oxide in different proportions.

[0050] (1) Weigh 100g of QC303 Royal Golden Finished Pearlescent Pigment, put it into a reactor with a volume of 1L, add 800ml of deionized water, stir to make it evenly dispersed into a suspension.

[0051] (2) The suspension was heated in a constant temperature water bath and stabilized at 65°C, and the pH of the suspension was adjusted to 8.5 with 31% liquid caustic soda.

[0052] (3) Adjust the temperature of the suspension to 75°C and the pH to 9.0. 4.833g CoCl 2 ·6H 2 O, 87.2mL FeCl 3 ·6H 2 O(75g / L) and 10.311g FeCl 2 ·4H 2 O was mixed and stirred to prepare a mixed solution. The mixed solution was added dropwise at a rate of 0.5ml / min while keeping the pH constant with an aqueous sodium hydroxide solution. When the addition was completed, the pH was raised to 10 and stirred at constant temperature for 15 minutes. ...

Example Embodiment

[0061] Example 3

[0062] The finished pearlescent pigment is used as the base material to coat cobalt oxide, ferrous oxide and iron oxide in different proportions.

[0063] (1) Weigh 100g of QC193 silver white pearlescent pigment, put it into a 1L reactor, add 800ml of deionized water, stir to make it evenly dispersed into a suspension.

[0064] (2) The suspension was heated in a constant temperature water bath and stabilized at 65°C, and the pH of the suspension was adjusted to 8.5 with 31% liquid caustic soda.

[0065] (3) Adjust the temperature of the suspension to 75°C and the pH to 9.0. 0.51g CoCl 2 ·6H 2 O, 4.5mL FeCl 3 ·6H 2 O(60g / L) and 2.12g FeCl 2 ·4H 2 O mix and add water to dilute to 10ml, add this mixture dropwise at a rate of 0.4ml / min while keeping the pH constant with an aqueous sodium hydroxide solution. When the addition is complete, raise the pH to 10 and stir at constant temperature for 15 minutes.

[0066] (4) Adjust the temperature of the suspension to 75°C, and ...

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Abstract

The invention discloses magnetic pearlescent pigment with a 3D (three-dimensional) effect and a preparation method of the magnetic pearlescent pigment. The magnetic pearlescent pigment comprises pearlescent pigment, a magnetic coating and a protecting layer, wherein the magnetic coating is located on one or more pearlescent pigment layers and comprises cobalt oxide, iron oxide and iron protoxide; the protecting layer is located on the magnetic coating; the pearlescent pigment comprises a base material and one or more pearlescent pigment layers. The prepared magnetic pearlescent pigment with the 3D effect can have a stereoscopic and dreamlike 3D effect by utilizing the magnetic tracking phenomenon of a surface magnetism material. By means of the preparation method of the magnetic pearlescent pigment with the 3D effect, the problem that ferrous iron is easily oxidized in the prior art can be solved, loss of ferroferric oxide is reduced, magnetic loss is reduced, part of produced iron cobaltate is stable and not prone to oxidation, and long-time storage of the pigment is guaranteed.

Description

Technical field [0001] The invention relates to a magnetic pearlescent pigment, particularly a magnetic series pearlescent pigment with 3D visual effects and a preparation method thereof, belonging to the field of decorative effect pigments. Background technique [0002] The 3D magnetic series of pearlescent pigments refers to coating a layer of magnetic material on the outside of the substrate, using the magnetic characteristics of the magnetic material to arrange, match, migrate and other behaviors under the action of a static magnetic field. It is used in decorative pearlescent pigments such as printing or spraying. In the field, when the paint is placed in a static magnetic field when it is not completely surface-dried, it can produce a fascinating and shiny dream 3D effect. This product is widely used to create 3D effects in cosmetics, synthetic leather, glass crafts, printing inks, textile printing, packaging materials, handicrafts, etc. [0003] The existing technology main...

Claims

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Application Information

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IPC IPC(8): C09C1/40C09C1/28C09C3/06
CPCC09C1/40C09C1/28C09C3/06
Inventor 杨伦全熊晓玲黄银樟
Owner GUANGXI CHESIR PEARL MATERIAL CO LTD
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