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A kind of preparation method of extensible curing uv-led cationic curing adhesive

A UV-LED and cationic curing technology, which is applied in the direction of adhesives, non-polymer adhesive additives, adhesive types, etc., can solve the problems of difficult curing of the bottom adhesive layer and low curing depth of UV-LED cationic curing adhesives. Achieve the effect of improving curing speed and depth, excellent adhesion and mechanical properties, and low shrinkage

Active Publication Date: 2020-09-29
YANTAI SEAYU NEW MATERIALS CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The invention provides a preparation method of UV-LED cationic curing adhesive that can be extended and cured, and solves the problems that the colored UV-LED cationic curing adhesive has a low curing depth and the bottom adhesive layer is difficult to cure

Method used

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  • A kind of preparation method of extensible curing uv-led cationic curing adhesive
  • A kind of preparation method of extensible curing uv-led cationic curing adhesive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] 59 parts of 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexyl carboxylate, 2 parts of triarylsulfonium hexafluorophosphate, 0.9 parts of N-vinylcarbazole, 1,2, 6 parts of 8,9-diepoxy-4-vinylcyclohexene, 0.06 parts of carbon black and 4 parts of γ-aminopropyltriethoxysilane were added to the stirred tank, and the pressure was -0.1 MPa. Stir for 0.5h, add 23 parts of silica powder and MoS 2 0.04 parts of nano hollow spheres, under the condition of -0.1 MPa, disperse at high speed for 0.6h, add 5 parts of meteorological silica, stir evenly, under the condition of -0.1 MPa, disperse and stir at high speed for 1h, and then discharge the material, that is, Extensible and curable UV-LED cationic curing adhesive; the speed of the high-speed stirring is 50 r / min for revolution and 1800 r / min for autorotation.

[0035] The MoS 2 Nano hollow spheres are carried out according to the following steps:

[0036] Add polyethylene glycol with a molecular weight of 15,000 into deionized wate...

Embodiment 2

[0038] 30 parts of bis-(3,4-epoxycyclohexylmethyl) adipate, 23 parts of bisphenol F epoxy resin, 3 parts of iodonium diaryl hexafluoroantimonate, 1-hydroxy-cyclohexyl -0.4 parts of phenyl ketone, 12 parts of 3,3'-(oxybismethylene)bis(3-ethyl)oxetane, 0.06 parts of Sudan black and γ-aminopropyl triethoxy Add 3.5 parts of silane into the stirred tank, stir for 0.5h under the condition of -0.1 MPa, add 23 parts of silicon micropowder and MoS 2 0.04 parts of nano hollow spheres, under the condition of -0.1 MPa, disperse at high speed for 0.6h, add 5 parts of meteorological silica, stir evenly, under the condition of -0.1 MPa, disperse and stir at high speed for 1h, and then discharge the material, that is, Extensible and curable UV-LED cationic curing adhesive; the speed of the high-speed stirring is 30 r / min for revolution and 800 r / min for autorotation.

[0039] The MoS 2 Nano hollow spheres are carried out according to the following steps:

[0040] Add polyethylene glycol wi...

Embodiment 3

[0043] 25 parts of 4,5-epoxycyclohexane-1,2-dicarboxylic acid diglycidyl ester, 15 parts of hydrogenated bisphenol A epoxy resin, 3.5 parts of diaryl iodonium hexafluorophosphate, (2,4 , 0.4 parts of 6-trimethylbenzoyl) diphenylphosphine oxide, 20 parts of 1,2,8,9-diepoxy-4-vinylcyclohexene, 0.04 parts of titanium dioxide and γ-aminopropyl tri Add 3 parts of ethoxysilane into the stirred tank, stir for 0.5h under the pressure of -0.1 MPa, add 30 parts of silicon micropowder and MoS 2 0.06 parts of nano hollow spheres, under the condition of -0.1 MPa, disperse at high speed for 0.6h, add 2 parts of meteorological silica, stir evenly, under the condition of -0.1 MPa, disperse and stir at high speed for 1h, and then discharge the material, that is, Extensible curable UV-LED cationic curing adhesive; the speed of the high-speed stirring is 20 r / min for revolution and 1500 r / min for autorotation.

[0044] The MoS 2 Nano hollow spheres are carried out according to the following st...

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Abstract

The invention relates to a preparation method of an extensible solidifiable UV-LED cation solidifying adhesive. The extensible solidifiable UV-LED cation solidifying adhesive is prepared from, by weight, 30 to 55 parts of liquid epoxy resin, 0.01 to 0.5 part of MoS2 nanometer hollow ball, 5 to 20 parts of an active diluents, 10 to 30 parts of a filling material, 1 to 5 parts of a cation photoinitiator, 0.1 to 2.5 parts of a photosensitizer, 0.05 to 0.5 part of a pigment, 1 to 5 parts of a thixotropic agent, and 1 to 5 parts of an auxiliary agent. According to the preparation method, MoS2 nanometer hollow ball is added into colloid, is used for replacing a part of the pigment, can be taken as a scatterer, is capable of solving problems in the prior art that the solidification depth of conventional colored UV-LED cation solidifying adhesive is low, and solidification of bottom adhesive layers is difficult to realize; and the application range is wide.

Description

technical field [0001] The invention relates to a preparation method of an extensible and curable UV-LED cationic curing adhesive. Background technique [0002] Ultraviolet (UV) curing technology has attracted widespread attention due to its advantages of high efficiency, environmental protection, and energy saving, and has developed rapidly in the field of adhesives. Compared with traditional reactive adhesives, UV-curable adhesives have the advantages of long storage period, no solvent, fast curing speed, good comprehensive performance, and low production energy consumption. According to the reaction mechanism, UV curing is mainly divided into free radical curing and cationic curing. Compared with free radical curing adhesives, cationic light curing adhesives have unique advantages such as small volume shrinkage, no polymerization inhibition by oxygen, and "post-curing". [0003] The commonly used UV curing equipment is mainly based on mercury lamp light source. The mercu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J163/00C09J11/04C09J11/06
CPCC08K2201/003C08L2205/025C09J11/04C09J11/06C09J163/00C08L63/00C08K13/04C08K3/04C08K3/34C08K7/24C08K3/36
Inventor 魏芳芳李峰贺国新张利文
Owner YANTAI SEAYU NEW MATERIALS CORP LTD
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