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A kind of holographic recording material, holographic recording base plate and application thereof

A holographic recording material and a technology of polymerizing monomers, applied in the functional field, can solve problems such as insufficient refractive index modulation and poor photosensitivity, and achieve the effects of high diffraction efficiency, good angle selectivity, and wide application prospects

Active Publication Date: 2017-05-10
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above defects or improvement needs of the prior art, the present invention provides a holographic recording material, a holographic recording substrate and its application. plate and applied to laser holographic recording, thereby solving the technical problems of insufficient refractive index modulation and poor photosensitivity of current laser holographic recording materials

Method used

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  • A kind of holographic recording material, holographic recording base plate and application thereof
  • A kind of holographic recording material, holographic recording base plate and application thereof
  • A kind of holographic recording material, holographic recording base plate and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0032] A holographic recording material comprises 6% of zinc sulfide nanoparticles, 0.2% of photoinitiator, and the rest of mixed photopolymerizable monomers according to the mass ratio.

[0033] The mixed photopolymerizable monomer is a mixture of a polar photopolymerizable monomer and a multifunctional photopolymerizable monomer in a mass ratio of 1:2. The polar monomer is β-hydroxyethyl acrylate and acrylic acid, and the mass ratio of β-hydroxyethyl acrylate and acrylic acid in the polar monomer is 1:1. The multifunctional monomer is ethylene glycol dimethacrylate and pentaerythritol tetraacrylate, and the mass ratio of ethylene glycol dimethacrylate and pentaerythritol tetraacrylate in the multifunctional monomer is 1:3.

[0034] The average particle diameter of the zinc sulfide nanoparticles is 50 nanometers. The surface of the zinc sulfide nanoparticles contains mercaptoethanol groups.

[0035] The photoinitiator is a visible light initiator. The visible light initiat...

Embodiment 2

[0039] A holographic recording material comprises 36% of zinc sulfide nanoparticles, 2% of photoinitiator, and the rest of mixed photopolymerizable monomers according to the mass ratio.

[0040] The mixed photopolymerizable monomer is a mixture of polar photopolymerizable monomer and multifunctional photopolymerizable monomer according to the mass ratio of 2:1. The polar monomer is N,N'-dimethylacrylamide, and the multifunctional monomer is hyperbranched acrylate.

[0041] The average particle diameter of the zinc sulfide nanoparticles is 5 nanometers, and its surface contains mercaptoethanol groups, which can be synthesized by a one-pot method using zinc acetate, thiourea, and mercaptoethanol as raw materials.

[0042] The photoinitiator is a visible light initiator. The visible light initiator is a mixture of 3,3'-carbonylbis(7-diethylaminocoumarin and N-phenylglycine.

[0043] The preparation method of the holographic recording material is as follows:

[0044]Firstly, zi...

Embodiment 3

[0046] A holographic recording material comprises 60% of zinc sulfide nanoparticles, 3% of photoinitiator and the rest of mixed photopolymerizable monomer according to the mass ratio.

[0047] The mixed photopolymerizable monomer is a mixture of a polar photopolymerizable monomer and a multifunctional photopolymerizable monomer in a mass ratio of 1:2. The polar monomer is β-hydroxyethyl methacrylate methacrylic acid, and the mass ratio of β-hydroxyethyl methacrylate methacrylic acid in the polar monomer is 1:1. The multifunctional monomer is ethylene glycol dimethacrylate and pentaerythritol triacrylate, and the mass ratio of ethylene glycol dimethacrylate and pentaerythritol triacrylate in the multifunctional monomer is 1:4.

[0048] The average particle diameter of the zinc sulfide nanoparticles is 10 nanometers. The surface of the zinc sulfide nanoparticles contains mercaptoethanol groups.

[0049] The photoinitiator is a visible light initiator. The visible light initia...

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Abstract

The invention discloses a holographic record material, a holographic record base plate and an application. The holographic record material comprises the following components by mass proportion: 6-60% of zinc sulfide nanoparticles, 0.2-10% of photoinitiator and the balance of mixing photo polymerization monomer; the mixing photo polymerization monomer is a mixture of a polarized light polymerization monomer and a polyfunctionality light polymerization monomer according to mass ratio of 3: 1-1: 2; the average particle size of the zinc sulfide nanoparticles is between 1 nanometer to 50 nanometers; the photoinitiator is an ultraviolet light initiator or a visible photoinitiator. The holographic record base plate comprises a holographic record material and a transparent box, and the thickness of the transparent box cavity is between 1 micrometer and 1000 micrometers. The holographic record material and the holographic record base plate are used for laser holographic record, has the advantages of high refractive index adjustment degree, high holographic image brightness and good stability.

Description

technical field [0001] The invention belongs to the functional field, and more specifically relates to a holographic recording material, a holographic recording base plate and applications thereof. Background technique [0002] Holographic recording materials have important application value in the fields of holographic data storage, high-end anti-counterfeiting, distributed feedback lasers and sensors, and have always been a research hotspot at home and abroad. The performance parameters of holographic recording materials include refractive index modulation, photosensitivity and volume shrinkage, among which the refractive index modulation is particularly important. When applied to holographic data storage, the higher the refractive index modulation, the higher the data storage capacity; when applied to holographic image storage, without overmodulation, the higher the refractive index modulation, the higher the diffraction of the grating. The higher the efficiency, the hig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/28C08F220/06C08F222/14C08F2/44C08K9/04C08K3/30
Inventor 解孝林倪名立廖永贵周兴平
Owner HUAZHONG UNIV OF SCI & TECH
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