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Modified acrylate high temperature-resistant anaerobic adhesive and preparation method thereof

An acrylate, high temperature resistant technology, applied in the field of high temperature resistant anaerobic adhesive and its preparation, can solve the problems of increased strength, difficulty in disassembly, etc., and achieve the effects of improving heat resistance, easy disassembly and maintenance, and good adhesion performance

Inactive Publication Date: 2014-11-19
INST OF PETROCHEM HEILONGJIANG ACADEMY OF SCI
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  • Summary
  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problem that the existing anaerobic adhesives added with heat-resistant resins such as bismaleimide, after being heated and cured, have increased strength and are difficult to disassemble, and provide a modified acrylate High temperature resistant anaerobic adhesive and preparation method thereof

Method used

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  • Modified acrylate high temperature-resistant anaerobic adhesive and preparation method thereof
  • Modified acrylate high temperature-resistant anaerobic adhesive and preparation method thereof
  • Modified acrylate high temperature-resistant anaerobic adhesive and preparation method thereof

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specific Embodiment approach 1

[0030] Specific embodiment one: In this embodiment, a modified acrylate high-temperature anaerobic adhesive consists of 100 parts by weight of anaerobic acrylate monomer, 0.01-5 parts of stabilizer, 5-70 parts of heat-resistant resin, 0.1 ~10 parts of accelerator, 0.1~10 parts of co-accelerator, 20~70 parts of silicon-titanium modified resin and 1~10 parts of initiator;

[0031] The anaerobic acrylate monomer is ethylene glycol (meth)acrylate, triethylene glycol di(meth)acrylate, tetraethylene glycol di(meth)acrylate, polyethylene Glycol Di(meth)acrylate, Ethoxylated Bisphenol A Di(meth)acrylate, Alkyl(meth)acrylate, Trimethylolpropane Tri(meth)acrylate, Ethoxylated Trihydroxy Methylpropane Tri(meth)acrylate, Hydroxyethyl(meth)acrylate, Hydroxypropyl(meth)acrylate, 2-Ethylhexyl(meth)acrylate, Silicone acrylate, Monomethylol One or one of phenol monoacrylate, dimethylol phenol diacrylate, trimethylol phenol triacrylate, polyurethane (meth)acrylate and allyloxybenzene-containin...

specific Embodiment approach 2

[0040] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is: by weight, 100 parts of anaerobic acrylate monomer, 2 to 5 parts of stabilizer, 10 to 40 parts of heat-resistant resin, 4 to 8 parts It is prepared by 1 part of accelerator, 4-8 parts of co-accelerator, 30-60 parts of silicon-titanium modified resin and 4-8 parts of initiator. Others are the same as the first embodiment.

specific Embodiment approach 3

[0041] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is that: by weight, 100 parts of anaerobic acrylate monomer, 3 parts of stabilizer, 20 parts of heat-resistant resin, 5 parts of accelerator, It is made of 5 parts of co-accelerator, 50 parts of silicon titanium modified resin and 5 parts of initiator. Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a modified acrylate high temperature-resistant anaerobic adhesive and a preparation method thereof. The modified acrylate high temperature-resistant anaerobic adhesive solves the problem that after heating curing, the existing anaerobic adhesive with heat-resistant resin such as bismaleimide has increased strength and is dismounted difficultly. The modified acrylate high temperature-resistant anaerobic adhesive is prepared from an anaerobic acrylate monomer, a stabilizing agent, a heat-resistant resin, a promoter, a promoter assistant, a titanium-silicon-modified resin and an initiator according to a certain weight part ratio. The preparation method comprises the following steps of adding the stabilizing agent into the anaerobic acrylate monomer, orderly adding the promoter and the promoter assistant into the mixture, carrying out stirring dissolution, adding the heat-resistant resin and the titanium-silicon-modified resin into the solution, adding the initiator into the mixed solution, and carrying out stirring to obtain the uniform high temperature-resistant anaerobic adhesive. The modified acrylate high temperature-resistant anaerobic adhesive is used in anaerobic curing adhesive connection fields such as bolt loosening resistance, fixation of interlocked shafts, sealing of a screwed pipe joint and a screwed plug, and sealing of a flange closing surface.

Description

technical field [0001] The invention relates to a high temperature resistant anaerobic adhesive and a preparation method thereof. Background technique [0002] Anaerobic adhesives have the characteristics of adjustable bonding strength, small volume shrinkage, room temperature curing and wide applicability, so they have been widely used in various fields. In recent years, with the rapid development of high-tech industries such as aerospace, aircraft manufacturing, precision electronics, and machining, higher requirements have been placed on the heat resistance of anaerobic adhesives, such as sensor bonding of internal combustion engines, rocket engines, and nuclear reactors. The locking of threaded parts such as flanges and pipe threads requires high temperature resistant adhesives. [0003] In order to enable anaerobic adhesives to be applied at higher temperatures, methods such as synthesizing high-temperature resistant anaerobic adhesive monomers and adding heat-resistan...

Claims

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Application Information

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IPC IPC(8): C09J151/08C08F283/12
Inventor 王刚王雅珍刘晓辉赵颖李欣张大勇朱金华白雪峰
Owner INST OF PETROCHEM HEILONGJIANG ACADEMY OF SCI
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