Pigment with high brightness, color purity and covering effect and preparation method of pigment

A high-brightness, pigment technology, applied in the field of pigments, can solve the problems that excellent effects cannot be fully reflected, affect the display and play of special color effects, and achieve the effect of maintaining mechanical stability

Inactive Publication Date: 2018-11-06
林一中
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the inherent unevenness of the base material obtained by grinding natural mica, the excellent effect caused by air instead of mica cannot be fully reflected, which affects the display and play of special color effects

Method used

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  • Pigment with high brightness, color purity and covering effect and preparation method of pigment
  • Pigment with high brightness, color purity and covering effect and preparation method of pigment
  • Pigment with high brightness, color purity and covering effect and preparation method of pigment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] The core material of the pigment in this embodiment is a single layer of silicon dioxide, and the outer coating layer is titanium dioxide.

[0077] Use vacuum sputtering technology to deposit a layer of zinc sulfide of about 10nm on the substrate glass plate, followed by deposition of silicon dioxide until it reaches 170nm, then deposit about 10nm of zinc sulfide, and then continue to deposit silicon dioxide 170nm, repeat Repeat the above process for 10 cycles, and the total thickness reaches about 2um. Afterwards, the material was immersed in hydrochloric acid (concentration: 35%) for about 30 minutes to remove zinc sulfide and obtain a silicon dioxide sheet with a very high surface smoothness and a thickness of 170 nm. After subsequent washing and classification, the particle size distribution was 20. - 100um core material precursor, used as a substrate for subsequent cladding, with a thickness of 170±2nm.

[0078] Then 40 g of the core material precursor was dispersed...

Embodiment 2

[0081] The core material of the pigment in this embodiment is a single layer of silicon dioxide, and the outer coating layer is a mixed coating layer of titanium dioxide and ferric oxide.

[0082] Use vacuum sputtering technology to deposit an organic peelable isolation layer of about 10nm on the base glass plate first, then deposit silicon dioxide until it reaches 80nm, then deposit an organic peelable isolation layer of about 10nm, and then continue to deposit two layers. Silicon oxide 80nm, repeat the above process repeatedly, repeat 20 cycles, the total thickness reaches about 2um. Then immerse the material in a release agent, remove the peelable isolation layer, and obtain a silicon dioxide sheet with a very high surface smoothness and a thickness of 80nm. After subsequent washing and classification, a core material with a particle size distribution of 10-60um is obtained. The precursor is used as the substrate for subsequent wet chemical coating, and its thickness is 80±...

Embodiment 3

[0086] The core material of the pigment in this embodiment is a single layer of aluminum oxide, and the outer cladding layer is iron oxide.

[0087] Use vacuum sputtering technology to deposit an organic strippable isolation layer of about 10nm on the substrate glass plate, then deposit aluminum oxide until it reaches 100nm, then deposit a strippable isolation layer of about 10nm, and then continue to deposit Al2O3 100nm, repeat the above process repeatedly, repeat 20 cycles, the total thickness reaches about 2um. Then immerse the material in an organic release agent to remove the peelable isolation layer to obtain aluminum oxide with a very high surface smoothness and a thickness of 100nm. After subsequent washing and grading treatment, a core with a particle size distribution of 40-80um is obtained. The material precursor is used as the substrate for subsequent wet chemical coating, and its thickness is 100±1.5nm.

[0088] Then disperse 40g of the substrate in 1L of water, ...

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Abstract

The invention relates to a pigment with high brightness, color purity and covering effects. The pigment comprises a core material and an outer covering layer, wherein the core material is of a 1-20 layer structure and comprises an air layer and/or one of the following three layers: a dielectric layer, a reflection layer and a multi-layer structure consisting of the dielectric layer and the reflection layer; the total thickness of the core material is 20-1000nm; the thickness of a single layer of the dielectric layer is 50-300nm; the thickness of a single layer of the reflection layer is 20-100nm; the deviation of the total thickness of the core material and the thickness of the single layer of the dielectric layer or the reflection layer is not greater than 1% or 5nm of the average value of the total thickness and corresponding layer thicknesses; the outer covering layer consists of 1-6 layers; the total thickness of the outer covering layer is 20-1000nm; the thickness of each coveringlayer is 10-300nm. The pigment provided by the invention can be applied to coatings, ink, cosmetics and makeup products.

Description

technical field [0001] The present invention relates to a pigment, more specifically, to a pigment with excellent brightness, color purity and hiding effect, its preparation method and application. Background technique [0002] Pearlescent pigments have rich and colorful colors, which can meet the application requirements of various industries. With the further expansion of the scope of use and the further expansion of the use occasions, more stringent requirements are put forward for pearlescent pigments. For ordinary pearlescent pigments, the general brightness and hiding power are two contradictory properties. If the covering power of the powder is good, the general brightness will be poor, and vice versa. Therefore, it is proposed to have better hiding and brightness requirements. However, because ordinary pearlescent pigments use ground flake materials as substrates and then coat them in gas phase or liquid phase, the two properties cannot be balanced. [0003] Materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/00C09C1/40C09C1/28C09C1/62C09C1/64C09C1/04C09C3/04C09C3/06
CPCC09C1/00C09C1/04C09C1/28C09C1/407C09C1/62C09C1/642C09C3/006C09C3/04C09C3/063
Inventor 林一中王振兴
Owner 林一中
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