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Instant-drying adhesive

An adhesive and instant-drying technology, applied in the direction of adhesives, non-polymer adhesive additives, non-polymer organic compound adhesives, etc., can solve the problems of limited radiation range of bonding effect and difficult application, and achieve environmental protection , wide range of applications, the effect of reducing light pollution

Inactive Publication Date: 2020-09-01
SHENZHEN PROSPER DOBOND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to solve the problem that the bonding effect of radiation-curable adhesives in the above-mentioned prior art is easily limited by the radiation range, it is difficult to apply them between opaque materials, on substrates with complex shapes, ultra-thick coatings and colored coatings, etc. Defect, the present invention proposes an instant adhesive

Method used

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  • Instant-drying adhesive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1, an instant-drying adhesive comprising 8 parts of polymethacrylate, 15 parts of pentaerythritol triacrylate, 150 parts of ethyl cyanoacetate, 100 parts of formaldehyde, 0.3 parts of piperidine, 30 parts of dichloroethane, Polymerizing agent hydroquinone 5 parts, photoinitiator 2,4,6-trimethylbenzoyl-diphenylphosphine oxide 10 parts.

[0038] During preparation, mix the polymethyl methacrylate, piperidine, pentaerythritol triacrylate, ethyl cyanoacetate, and formaldehyde into the reaction kettle, slowly raise the temperature to 70°C and heat for 2 hours, then add the polymerization inhibitor Hydroquinone, photoinitiator 2, 4, 6-trimethylbenzoyl-diphenylphosphine oxide, dichloroethane, slowly warming up to 180°C, distilling under reduced pressure in the reactor until the solvent dichloride Complete evaporation of methane, that is, the finished product.

Embodiment 2

[0039] Embodiment 2, an instant-drying adhesive comprising 12 parts of polymethacrylate, 12 parts of pentaerythritol triacrylate, 145 parts of ethyl cyanoacetate, 100 parts of formaldehyde, 0.3 parts of piperidine, 30 parts of dichloroethane, and Polymerizing agent hydroquinone 5 parts, photoinitiator 2-hydroxy-2-methyl-1-phenyl-1-acetone 10 parts.

[0040] During preparation, mix the above-mentioned parts by weight of polymethyl methacrylate, piperidine, pentaerythritol triacrylate, ethyl cyanoacetate, and formaldehyde into the reaction kettle, slowly raise the temperature to 68°C and heat for 2 hours, then add the polymerization inhibitor Hydroquinone, photoinitiator 2-hydroxy-2-methyl-1-phenyl-1-propanone, dichloroethane, slowly warming up to 175°C, distilling under reduced pressure in the reactor until the solvent dichloromethane Complete evaporation, that is, the finished product.

Embodiment 3

[0041] Embodiment 3, an instant adhesive, comprising 15 parts of polymethacrylate, 8 parts of dipentaerythritol hexaacrylate, 140 parts of ethyl cyanoacetate, 95 parts of formaldehyde, 0.3 parts of piperidine, 30 parts of dichloroethane, 5 parts of hydroquinone as a polymerization inhibitor, 10 parts of photoinitiator 1-hydroxy-cyclohexyl-phenyl ketone.

[0042] During preparation, mix the above weight parts of polymethyl methacrylate, piperidine, dipentaerythritol hexaacrylate, ethyl cyanoacetate, and formaldehyde into the reaction kettle, slowly raise the temperature to 70°C and heat for 2 hours, then add polymerization inhibitor Agent hydroquinone, photoinitiator 1-hydroxy-cyclohexyl-phenyl ketone, dichloroethane, slowly warming up to 180 ° C, and distilling under reduced pressure in the reactor until the solvent dichloromethane evaporates completely, to obtain finished product.

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Abstract

The invention discloses an instant-drying adhesive which comprises the following components in parts by weight: 8-15 parts of polymethacrylate, 8-15 parts of an acrylate monomer, 140-150 parts of ethyl cyanoacetate, 95-100 parts of formaldehyde, 0.1-0.3 part of a condensing agent, 30-35 parts of a solvent, 3-5 parts of a polymerization inhibitor and 6-10 parts of a photoinitiator. The invention has the effect of being applicable to both light curing and moisture curing; meanwhile, the instant-drying adhesive is wide in action and curing application range, particularly excellent in applicationeffect on opaque materials, base materials with complex shapes, or super-thick coatings, colored coatings and the like, wider in application range compared with a traditional UV curing adhesive and suitable for application and popularization.

Description

technical field [0001] The invention relates to the technical field of adhesive preparation, in particular to an instant-drying adhesive. Background technique [0002] Radiation curing is a chemical process that uses electromagnetic radiation, such as ultraviolet rays or electron beams, to irradiate coatings to produce reactions such as radiation polymerization, radiation crosslinking and radiation grafting, and rapidly transform low molecular weight substances into high molecular weight products. Since the curing is carried out directly between the unheated substrates, the system basically does not contain solvents, and the liquid film after radiation is almost completely cured, so the emission of volatile organic compounds is extremely large. With the increasing environmental protection in recent years More attention has been paid to it, and the way of radiation curing has also been greatly developed. [0003] Among them, UV curing adhesive is a relatively wide applicatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/06C09J4/02C09J4/04C09J11/06
CPCC09J4/06C09J11/06
Inventor 袁海宾贺珍程丹刘行
Owner SHENZHEN PROSPER DOBOND TECH