Photoinduced polymer holographic recording material and preparation method thereof

A holographic recording material and photopolymer technology, which is applied in the direction of photomechanical equipment, optics, pattern surface photoplate making process, etc., can solve the problems of affecting the safety of operators, polluting the environment, and being unable to industrialize production, etc., and achieves wide application Foreground, simple operation, short production cycle effect

Active Publication Date: 2013-01-16
永发印务(东莞)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this technology introduces a large amount of organic solvents into the system, such as dichloromethane, methanol, etc., which seriously pollutes the environment and affects the safety of operators.
The photopolymer system without film-forming substances is in a fluid state and cannot be produced industrially.

Method used

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  • Photoinduced polymer holographic recording material and preparation method thereof
  • Photoinduced polymer holographic recording material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Under the protection of the green light, in a 500ml container, add 0.8g of 1,3:2,4-dibenzylidene-D-sorbitol, 30g of hydroxyethyl methacrylate, 30g of triethylene glycol dimethacrylate, 20g of nano-titanium dioxide (prepared according to the literature [advfunct mater 2005, 15, 1623-1629]), 0.12g of methylene blue, and 2.0g of N-methyldiethanolamine were stirred and mixed uniformly at 80°C. Then, the mixed solution is coated on the glass surface with a manual coating bar at 80°C, with a film thickness of 50 microns, and then the temperature is lowered to 30°C to gel, and a photopolymer that can be used for holographic recording is prepared. dry film. A 50-micron PET film is used to cover the surface, a 632.8nm He-Ne laser is used as a light source, a coin is used as a real object, and a transmission holographic imaging method is adopted, with a reference light intensity of 5mW / cm 2 , the maximum light intensity in the object light is 3mW / cm 2 , the angle between the tw...

Embodiment 2

[0031] Under the protection of the green light, add 0.8g of 1,3:2,4-dibenzylidene-D-sorbitol, 30g of hydroxyethyl methacrylate, triethylene glycol dimethyl 30g of acrylate, 20g of p-amylbiphenylcyanide, 0.12g of methylene blue, and 2.0g of N-methyldiethanolamine were stirred and mixed uniformly at 80°C. Then, the mixed solution is coated on the glass surface with a manual coating bar at 80°C, with a film thickness of 50 microns, and then the temperature is lowered to 30°C to gel, and a photopolymer that can be used for holographic recording is prepared. dry film. A 50-micron PET film is used to cover the surface, a 632.8nm He-Ne laser is used as a light source, a coin is used as a real object, and a transmission holographic imaging method is adopted, with a reference light intensity of 5mW / cm 2 , the maximum light intensity in the object light is 3mW / cm 2 , the angle between the two beams of light is 45°, and the image of the object can be obtained after exposing for 10s.

Embodiment 3

[0033] Prepare the photopolymer material according to the following formula:

[0034] Gel factor 1.6g Ethoxydiphenylfluorene diacrylate 30g o-Phenylphenylethoxyacrylate 30g Methylene blue 0.12g N-phenylglycine 2.0g 1-Butyl-3-methylimidazolium tetrafluoroborate 40g

[0035] The structural formula of gelatin is (n=1, m=17)

[0036] Under the protection of green light, in the environment of 80 ℃, the blending is uniform. Then, the mixed solution was coated on the glass surface under the environment of 80° C., and then the temperature was lowered to 30° C. for gelation, so as to obtain a photopolymer dry film that can be used for holographic recording. Cover the surface with a 50-micron PET film, use a 632.8nm He-Ne laser as the light source, take coins as objects, and use a reference light intensity of 10mW / cm 2 , the maximum light intensity of object light is 5mW / cm 2 , two beams of light are incident from different surfaces of th...

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Abstract

The invention discloses a photoinduced polymer holographic recording material and a preparation method thereof. The holographic recording material comprises, by mass, 0.1%-10% of physical gelators, 30%-90% of allyl monomers, 0.05%-5% of a photoinitiator system and 1%-50% of refractive index modulators. A photoinduced polymer dry plate is obtained by uniformly mixing the materials and coating the mixture on the surface of a substrate when the gelating temperature is higher than that of the materials, then decreasing the temperature and gelating transparent liquid and can be used for holographic recording. Solvent is not introduced to the whole production process of the photoinduced polymer holographic recording material, and environmental pollution is avoided.

Description

technical field [0001] The invention belongs to the technical field of holographic photopolymer storage materials, and in particular relates to a solvent-free photopolymer holographic recording material and a preparation method thereof. Background technique [0002] Traditional information storage technologies, such as magnetic disk technology, compact disc technology (CD), digital versatile disc (DVD) and Blu-ray disc (BD) technology, are all based on the two-dimensional storage mode of the material surface. With the development of miniaturization, this two-dimensional information storage technology quickly reached the storage limit. Therefore, exploring new technologies for ultra-high information storage capacity and storage density is currently a research hotspot in the information science and industry circles. Laser holographic data storage technology is a three-dimensional information storage mode that stores information within the entire volume of the storage medium. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03F7/028G03H1/02
Inventor 杨志方郑成赋董明艳
Owner 永发印务(东莞)有限公司
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