Application of Coumarin and/or Benzylidene Cycloalkanone Dye in the Preparation of Two-Photon Polymerization Resin

A benzylidene cycloalkane ketone and two-photon polymerization technology, which is applied in the field of application of coumarin and/or benzylidene cycloalkane ketone dyes in the preparation of two-photon polymerization resins, can solve the problem of complex components and low efficiency of two-photon initiation systems. Low-level problems, achieve high induced quantum efficiency, easy preparation and operation, and large two-photon absorption cross-section

Inactive Publication Date: 2011-12-28
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] One of the purposes of the present invention is to solve the problem of complex components and low efficiency of the current two-photon initiation system, to provide a single-component two-photon initiator with high initiation quantum efficiency and larger two-photon absorption cross-section, which has a low Applications in Two-Photon Polymerization Resins with Initiation Threshold, Low Small Molecule Residue, and High Resolution

Method used

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  • Application of Coumarin and/or Benzylidene Cycloalkanone Dye in the Preparation of Two-Photon Polymerization Resin
  • Application of Coumarin and/or Benzylidene Cycloalkanone Dye in the Preparation of Two-Photon Polymerization Resin
  • Application of Coumarin and/or Benzylidene Cycloalkanone Dye in the Preparation of Two-Photon Polymerization Resin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] A 1 、A 2 Both are p-dimethylaminophenyl, Dye K1 as cyclohexanone as initiator in two-photon polymerization resin

[0054] Urethane acrylate 4g

[0055] Ethoxylated Pentaerythritol Triacrylate 3g

[0056] 2-phenoxyethyl acrylate 1.5g

[0057] Dichloromethane 5ml

[0058] Methanol 0.7ml

[0059] Dye K1 85mg

[0060] Dissolve 85mg of K1 in a mixed solvent of 5ml of dichloromethane and 0.7ml of methanol, and then mix it with 1.5g of 2-phenoxyethyl acrylate, 3g of ethoxylated pentaerythritol triacrylate and 4g of urethane acrylate The monomer was stirred evenly, and the dichloromethane and methanol solvents therein were drained away from light. The prepared two-photon polymer resin was coated on the pre-hydrophilized glass sheet, using Ti-Sapphire femtosecond laser as the laser light source, the excitation wavelength was 780nm, the output power was 0.6mw, and the pulse width was 80 femtoseconds. Through a microscope objective lens with a magnification of 100 times ...

Embodiment 2

[0062] A 1 、A 2 Both are p-dimethylaminophenyl, Dye K2 which is cyclopentanone as initiator in two-photon polymerization resin

[0063] Urethane acrylate 4g

[0064] Ethoxylated Pentaerythritol Triacrylate 3g

[0065] 2-phenoxyethyl acrylate 1.5g

[0066] Dichloromethane 5ml

[0067] Methanol 0.7ml

[0068] Dye K2 26mg

[0069] Dissolve 26mg of K2 in a mixed solvent of 5ml of dichloromethane and 0.7ml of methanol, and then mix it with 1.5g of 2-phenoxyethyl acrylate, 3g of ethoxylated pentaerythritol triacrylate, 4g of urethane acrylate The monomer was stirred evenly, and the dichloromethane and methanol solvents therein were drained away from light. The prepared two-photon polymer resin was coated on the pre-hydrophilized glass sheet, and the Ti-Sapphire femtosecond laser was used as the laser light source. The excitation wavelength was 780nm, the output power was 0.7mw, and the pulse width was 80 femtoseconds. Through a microscope objective lens with a magnificatio...

Embodiment 3

[0071] A 1 For p-dimethylaminophenyl, A 2 For o-methyl-p-diethylaminophenyl, Dyes K3 as cyclopentanone as initiator in two-photon polymerization resin

[0072] Polyester acrylate 4g

[0073] Pentaerythritol Triacrylate 3g

[0074] Hydroxypropyl methacrylate 1.5g

[0075] Dichloromethane 5ml

[0076] Methanol 0.7ml

[0077] Dye K3 30mg

[0078] Dissolve 30mg of K3 in a mixed solvent of 5ml of dichloromethane and 0.7ml of methanol, and then stir it with 1.5g of hydroxypropyl methacrylate, 3g of pentaerythritol triacrylate, and 4g of polyester acrylate monomer Evenly, the dichloromethane and methanol solvents were drained in the dark. The prepared two-photon polymer resin was coated on the pre-hydrophilized glass sheet, and the Ti-Sapphire femtosecond laser was used as the laser light source. The excitation wavelength was 780nm, the output power was 0.8mw, and the pulse width was 80 femtoseconds. Through a microscope objective lens with a magnification of 100 times and ...

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Abstract

The invention belongs to the field of two-photon polymerization, and particularly relates to the application of coumarin and / or benzylidene cycloalkanone dyes in the preparation of two-photon polymerization resins. The present invention is a straight-chain or multi-branched coumarin two-photon dye, a straight-chain or multi-branched benzylidene cycloalkanone two-photon dye, or a functional group containing both coumarin and benzylidene cycloalkane ketone The two-photon dye is used as a one-component initiator to prepare two-photon polymerization resin with low initiation threshold, low small molecule residue and high resolution.

Description

field of invention [0001] The invention belongs to the field of two-photon polymerization, in particular to a straight-chain or multi-branched coumarin two-photon dye, a straight-chain or multi-branched benzylidene cycloalkanone two-photon dye, or a combination of coumarin and The application of the two-photon dye with benzylidene cycloalkanone functional group as a single-component initiator in the preparation of two-photon polymerization resin with low initiation threshold, low small molecule residue and high resolution. Background technique [0002] Two-photon polymerization technology is produced with the development of two-photon technology. Two-photon has the advantages of strong penetrating power and high spatial resolution, and has broad application prospects in the fields of three-dimensional ultra-fine micromachining and three-dimensional high-density optical storage. . The core of two-photon polymerization technology is two-photon polymerization resin. The mater...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F2/50C08F220/10C08F290/06
Inventor 吴飞鹏薛建强赵榆霞
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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