Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Photopolymer thin film photosensitive material used for holographic record, and preparation method therefor

A photopolymer and holographic recording technology, which is applied in the direction of photomechanical equipment, pattern surface photolithography, optics, etc., can solve the problems of low diffraction efficiency, short storage time, poor mechanical properties, etc., and achieve the source of raw materials Wide range, simple synthesis process, and excellent mechanical properties

Inactive Publication Date: 2016-11-09
SHENZHEN SHENDA AURORA TECH
View PDF5 Cites 22 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the silver salt gelatin photosensitive material has higher photosensitivity, its diffraction efficiency is low (about 40%); the dichromate gelatin photosensitive material has higher diffraction efficiency (about 85%), but its photosensitivity is lower
In addition, the above two gelatin photosensitive materials also have the following disadvantages: short storage time, wet processing, poor mechanical properties, and poor weather resistance after imaging (the hologram must be stored in a dry environment, and it will easily disappear when the ambient humidity is high. picture)
However, the product still has defects such as poor heat resistance, diffraction efficiency not reaching the theoretical value (above 99.9%), insufficient transmittance, and poor mechanical properties.
In the market and research, research on photopolymer holographic materials mainly focuses on improving their diffraction efficiency and sensitivity, and comprehensively considers their diffraction efficiency, sensitivity, mechanical properties, heat resistance, and weather resistance. No literature report yet

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Photopolymer thin film photosensitive material used for holographic record, and preparation method therefor
  • Photopolymer thin film photosensitive material used for holographic record, and preparation method therefor
  • Photopolymer thin film photosensitive material used for holographic record, and preparation method therefor

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0064] In addition, the present application also provides a method for preparing a photopolymer film photosensitive material that can be used for holographic recording, including:

[0065] (1) Preparation of photopolymer coating: under dark conditions or under safe lights, base resin, active fluororesin, silane-coupled nanoparticles, active monomer, plasticizer, photoinitiator, photosensitive additives, chain transfer agents, nonionic surfactants, heat stabilizers, optical brighteners, etc. are added to the solvent, stirred and mixed evenly to obtain photopolymer coatings;

[0066] (2) Preparation of photopolymer film: in dark conditions or under safe lights, apply photopolymer coating on the base film layer, and cover the photopolymer surface after leveling and drying The protective layer;

[0067] The base film layer is one of PET film, PS film, cellulose acetate film or PVC film, and the protective layer is one of silicone oil PET film, cellulose acetate film or PVC film. ...

Embodiment 1

[0073] Under dark light or safe light, add in 500ml glass beaker: matrix resin polyvinyl butyral and cellulose acetate copolymer 30g (44.28wt%), active fluororesin BY-F500 (provided by Beijing Baiyuan chemical industry, has Structural formula 1) 8g (11.8wt%), self-made coupling nano-alumina particles 2g (2.95wt%), active liquid monomer 2-phenoxyethyl acrylate 3.4g (5.02wt%), ethylene glycol di Methacrylate 9.6g (14.17wt%), active solid monomer N-vinyl carbazole etc. 5.4g (7.97wt%), photoinitiator 2-(o-chlorophenyl)-4,5-bis(m- Methoxyphenyl) imidazole 1.8g (2.66wt%), photosensitizer 2,5-bis{[4-(diethylamino)-2-methylphenyl]-methylene}cyclopentanone 0.01g (0.015wt%), chain transfer agent: 4-methyl-4H-3-mercapto-1,2,4-triazole 4g ​​(5.9wt%), plasticizer triethylene glycol diacrylate 3g (4.43 wt%) nonionic surfactant FC-4430 0.24g (0.35wt%), thermal stabilizer β-naphthol 0.2g (0.295wt%), optical brightener 7-(4'-chloro-6'-di Ethylamino-1',3',5'-triazine-4'-amino)-3-phenylcoumari...

Embodiment 2

[0077] Under dark or safe light, add in 500ml glass beaker: matrix resin polyvinyl acetate 50g (48.20wt%), active fluororesin BY-F400 (provided by Beijing Baiyuan chemical industry, have structural formula 2) 10g (9.64wt%) ), self-made coupling nano-alumina particles 3g (2.89wt%), active liquid monomer 2-(p-chlorophenoxyethyl methacrylate) 6g (5.78wt%), ethylene glycol dimethyl Acrylate 14g (13.50wt%), active solid monomer N-vinylcarbazole etc. 10g (9.64wt%), photoinitiator 2,2'-bis(o-chlorophenyl)-4,4',5, 5'-tetraphenyl 1,1'-diimidazole 2.4g (2.31wt%), photosensitizer 2,5-bis{[4-(diethylamino)phenyl]methylene}cyclopentanone 0.02g (0.019wt%), chain transfer agent: 2-mercaptobenzoxazole 3g (2.89wt%), plasticizer diethyl adipate 5g (4.82wt%) nonionic surfactant FC-4430 0.12g (0.12wt%), thermal stabilizer p-methoxyphenol 0.15g (0.14wt%), optical brightener 7-(4'-chloro-6'-diethylamino-1',3',5'- Triazine-4'-amino)-3-phenylcoumarin 0.05g (0.05wt%), mixed solvent 150ml, wherein bu...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Particle sizeaaaaaaaaaa
Login to View More

Abstract

The invention provides a photopolymer thin film photosensitive material used for holographic record. The photopolymer thin film photosensitive material comprises a base film layer, a photopolymer photosensitive layer and a protection layer which are arranged in a laminated manner in sequence, wherein the base film layer is one of a PET film, a PS film, a cellulose acetate film or a PVC film; the photopolymer photosensitive layer is obtained from a photopolymer coating in a coating manner; the protection layer is one of a silicone oil PET film, cellulose acetate film or a PVC film; the photopolymer thin film photosensitive material is simple in structure, relatively wide in the raw material source, relatively low in cost, and low in environmental pollution; and the prepared photopolymer material has high diffraction efficiency and sensitivity, excellent mechanical performance, high heat resistance and high weather resistance. In addition, the invention also provides a preparation method for the photopolymer thin film photosensitive material used for holographic record.

Description

technical field [0001] The invention relates to the field of holographic recording materials, in particular to a photopolymer thin film photosensitive material which can be used for holographic recording and a preparation method thereof. Background technique [0002] The so-called volume hologram refers to two beams of coherent light (object light, reference light) interfering with each other to form an interference light field. In this interference light field, the photosensitive material records three-dimensional space interference fringes with alternating light and dark to form a hologram. The reason why the interference fringes can be recorded is due to the change of the internal refractive index of the holographic recording photosensitive material: the refractive index changes with the change of the interference fringes, the bright area of ​​the interference fringes has a high (or low) refractive index, and the dark area has a low refractive index (and On the contrary),...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G03F7/038
CPCG03F7/038
Inventor 王笑冰李建兵曾岑
Owner SHENZHEN SHENDA AURORA TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com