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Photonic crystal capsule pigment and preparation method and application thereof

A photonic crystal and capsule technology, applied in microcapsule preparation, application, crystal growth and other directions, can solve the problems of inhomogeneity, colloidal photonic crystal structure damage, colloidal photonic crystal color angular dependence, etc. Low cost, strong tinting effect

Active Publication Date: 2015-03-18
INST OF CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Because the traditional method is difficult to realize the large-scale preparation of colloidal photonic crystal films, the preparation cost remains high, the preparation process is time-consuming and laborious, and cannot be prepared in batches, such as the technical solutions disclosed in Chinese patent application numbers 01141733.1, 00815379.5, and 01137309.1; At the same time, the photonic band gap of the colloidal photonic crystal is closely related to the environment and the refractive index of the colloidal photonic crystal material. The colloidal photonic crystal with a porous structure can easily penetrate into other substances, causing the color of the colloidal photonic crystal to change, and the colloidal photonic crystal The structure of the crystal is also easily destroyed, and the color of the flaky colloidal photonic crystal is angle-dependent and non-uniform, such as the technical solution disclosed in Chinese patent application number 200510011219.2

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] At room temperature, polystyrene monodisperse beads with particle diameters of 284nm and 253nm were uniformly dispersed in a mixed aqueous solution prepared from acrylamide, ammonium persulfate, N,N-methylenebisacrylamide and water. , Respectively obtain two dispersions, the content of the polystyrene monodisperse beads in the two dispersions are both 20wt%, and the content of acrylamide is 5wt% (the polystyrene The volume ratio of ethylene monodisperse beads to the acrylamide is about 4.3:1), the content of the ammonium persulfate is 0.5wt%, and the content of the N,N-methylenebisacrylamide is 0.5wt%. Then put the obtained two dispersions into the containers of two spray drying instruments, and adjust the inlet temperature of the two spray drying instruments to 200℃, and carry the dispersion liquid with the nitrogen carrier gas used by the spray drying instruments. Spray drying, by spraying, dispersing and drying the dispersion liquid, the mixture of the polystyrene mo...

Embodiment 2

[0042] At room temperature, polystyrene methyl methacrylate monodisperse beads with particle diameters of 275 nm and 260 nm and silica nanocrystalline particles with particle diameters of 20 nm were uniformly dispersed in water to obtain two dispersions respectively. The content of the polystyrene methyl methacrylate monodisperse beads in the two dispersions is 10wt%, and the content of the silica nanocrystalline particles is 5wt% (the The volume ratio of the polystyrene methyl methacrylate monodisperse beads to the silica nanocrystalline particles is about 4.4:1). Then put the obtained two dispersions into the containers of two spray drying instruments, and adjust the inlet temperature of the two spray drying instruments to 200℃, and carry the dispersion with the air carrier gas used by the spray drying instruments. Spray drying, by spraying, dispersing and drying the dispersion liquid, so that the polystyrene methyl methacrylate monodisperse beads and the silica nanocrystalli...

Embodiment 3

[0045] At room temperature, titanium dioxide monodisperse beads with particle diameters of 130nm, 115nm, and 100nm were uniformly dispersed in acrylamide, diethoxyacetophenone, N,N-methylenebisacrylamide and water. In the mixed solution, three dispersions were obtained respectively, the content of the titanium dioxide monodisperse beads in the three dispersions were all 20wt%, and the content of acrylamide was 2wt% (the The volume ratio of titanium dioxide monodisperse beads and the acrylamide is about 2.8:1), the content of perdiethoxyacetophenone is 0.2wt%, and the N,N-methylene bis The content of acrylamide is 0.2wt%. Then put the obtained three dispersions into the containers of three spray drying instruments, and adjust the inlet temperature of the three spray drying instruments to 200°C, and the dispersion is carried by the argon carrier gas used by the spray drying instrument Carry out spray drying, by spraying, disperse and dry the dispersion liquid, make the titanium ...

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Abstract

A photonic crystal microsphere, comprising: a plurality of mono-dispersed polymer particles in a closely-packed and regularly-ordered structure, with interstition therebetween, forming the photonic crystal microsphere; and a co-assembly material contained in the interstition. The photonic crystal microsphere provides a structure of enhanced strength and a good color effect.

Description

Technical field [0001] The invention belongs to the technical field of pigment preparation, and particularly relates to photonic crystal capsule pigments that are rapidly and batch prepared by monodisperse beads and co-assembled materials, and the photonic crystal capsule pigments are used in coatings, inks, printing and dyeing, plastic products, and rubber products. , Ceramics and cosmetics. Background technique [0002] Pigments are mainly used in coatings, inks, printing and dyeing, plastic products, papermaking, rubber products, ceramics and other industries. With the rapid development of downstream industries, the demand for pigments continues to expand. The development prospects of China's pigment industry are very broad. According to "2013- According to statistics from the 2017 China Pigment Industry Production and Sales Demand and Investment Forecast Analysis Report, the sales scale of China's pigment industry in 2010 reached 40.963 billion yuan. [0003] The pigments curr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/56C08F222/38C08F2/48C08L33/26C08L25/06C08L25/14C08K3/36C08K3/22B01J13/04B01J13/14C09D133/00C09D7/12C09D11/00A61K8/81A61Q3/02
CPCC08F222/385C08F2/22C08F220/56C30B29/58B01J13/14C30B5/00C30B29/16C30B29/46C30B29/60G02B1/005C08F212/08C08F220/14C08F220/06G02B1/04
Inventor 李明珠杨强宋延林
Owner INST OF CHEM CHINESE ACAD OF SCI
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