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One-component ultraviolet-light-anaerobic dual-curing adhesive

A dual-curing, ultraviolet light technology, applied in the direction of adhesives, modified epoxy resin adhesives, adhesive types, etc., can solve the problems of low shear strength, unsuitable for shading or translucent materials, etc., to achieve bonding High reliability, wide application range and excellent curing performance

Active Publication Date: 2013-09-25
天津市合成材料工业研究所有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the low shear strength of the adhesive in the prior art, it is not suitable for the bonding of light-shielding or translucent materials. The present invention provides an ultraviolet-anaerobic dual-curing adhesive with high shear strength, which is suitable for light-shielding or translucent materials. bonding

Method used

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  • One-component ultraviolet-light-anaerobic dual-curing adhesive
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  • One-component ultraviolet-light-anaerobic dual-curing adhesive

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Embodiment Construction

[0027] 1. The composition and ratio of UV-anaerobic dual curing adhesive. The ultraviolet light-anaerobic dual curing adhesive of the embodiment 1-18 of the present invention is made of the following raw materials in weight percentage:

[0028]

[0029] (The symbol " / " in the table means none)

[0030] 2. Performance test. The sample of embodiment 1-18 and existing common photocurable adhesive have been carried out the comparative test of mechanical property by following method:

[0031] Sample preparation method: apply glue to two stainless steel plates for curing;

[0032] Light curing conditions: light intensity 80W / cm 2 , light time 15s;

[0033] Post-curing conditions: 48 hours at room temperature or 1.5 hours at 80 degrees;

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Abstract

The invention discloses a one-component ultraviolet-light-anaerobic dual-curing adhesive. The adhesive comprises the following active ingredients in percentage by weight: 40-50% of epoxy acrylate, 15-20% of polyurethane acrylate, 30-35% of acrylics reactive diluents, 1-2% of photoinitiator, 0.5-1% of oxidizing agent, 0.1-0.5% of reducing agent, 0.1-0.5% of polymerization inhibitor, and 0.5-2% of accelerator. The one-component ultraviolet-light-anaerobic dual-curing adhesive has the advantage of entirely solving the difficulty that the photocuring adhesive cannot be entirely cured at the shading parts. In addition, the adopted resin contains acrylate and double bonds. Through the one-component ultraviolet-light-anaerobic dual-curing adhesive, the photocuring reaction and anaerobic curing reaction are well combined, the reaction system is uniform, the curing property is excellent, the binding reliability is high, the energy resource can be saved, and the application range is wide.

Description

technical field [0001] The invention relates to an adhesive, in particular to a one-component ultraviolet-anaerobic dual curing adhesive and a preparation method thereof. Background technique [0002] Adhesives commonly used in the market currently include epoxy adhesives and UV-curable adhesives. [0003] Epoxy adhesives need to be prepared on-site. During the compounding process, a large number of mechanical air bubbles will be brought into the glue by fully stirring the compounding process, resulting in congenital technical defects in sealing and reliability. And the epoxy adhesive colloid is too hard and easy to crack. [0004] UV-curable adhesives have the advantages of single-liquid packaging, fast curing speed, and environmental protection. However, the use of UV-curable adhesives also has limitations, especially in terms of sealing. Because some light cannot be directly irradiated, such as non-transparent objects or complex geometric surfaces, curing is difficult t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J163/10C09J175/14C09J11/06
Inventor 李刚姚娜李令明刘珩温晓萌
Owner 天津市合成材料工业研究所有限公司
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