Fire resistant anaerobic adhesive with low dismounting force moment and preparation method thereof

A high-temperature-resistant, anaerobic adhesive technology, applied in adhesives, non-polymer organic compound adhesives, etc., can solve the problems of poor maintainability of high-temperature-resistant anaerobic adhesives, difficult disassembly of bonded parts, and low-strength products. Overcoming the effects of low breaking torque at high temperature, low cost, and adjustable strength

Inactive Publication Date: 2007-10-24
HEILONGJIANG INST OF PETROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of poor maintainability of existing high-temperature resistant anaerobic adhesives, difficulty in disassembly of bonding parts, and no medium and low-strength products; and to provide a high-temperature resistant anaerobic adhesive with low disassembly torque and its preparation method

Method used

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  • Fire resistant anaerobic adhesive with low dismounting force moment and preparation method thereof
  • Fire resistant anaerobic adhesive with low dismounting force moment and preparation method thereof
  • Fire resistant anaerobic adhesive with low dismounting force moment and preparation method thereof

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specific Embodiment approach 1

[0015] Specific embodiment 1: In this embodiment, the high temperature resistant anaerobic adhesive with low disassembly torque consists of 50-95 parts by weight of diester methacrylate monomer, 10-40 parts of heat-resistant additive, 0.1-5 parts of accelerator, It is prepared by 0.1-5 parts of o-benzenesulfonimide, 0.01-2 parts of stabilizer, 5-40 parts of high temperature resistant torque regulator, 0.1-5 parts of fumed silicon dioxide and 1-10 parts of organic peroxide.

specific Embodiment approach 2

[0016] Specific embodiment two: In this embodiment, the low disassembly torque high temperature resistant anaerobic adhesive consists of 60-80 parts by weight of diester methacrylate monomer, 15-30 parts of heat-resistant additive, 2-4 parts of accelerator, and It is prepared by 1-3 parts of benzenesulfonimide, 0.1-1 part of stabilizer, 10-35 parts of high temperature resistant torque regulator, 1-4 parts of fumed silicon dioxide and 2-8 parts of organic peroxide.

specific Embodiment approach 3

[0017] Specific embodiment three: In this embodiment, the low disassembly torque high temperature resistant anaerobic adhesive consists of 70 parts by weight of diester methacrylate monomer, 20 parts of heat-resistant additive, 3 parts of accelerator, and 3 parts of o-benzenesulfonimide. 1 part, 1 part of stabilizer, 20 parts of high temperature resistant torque regulator, 3 parts of fumed silica and 6 parts of organic peroxide.

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Abstract

The invention discloses a thermostable anaerobic gel with low-detaching torque and making method to improve the maintaining property for thermostable anaerobic gel and simplfy to detach the binding position, which comprises the following steps: a. stirring methacrylic acid di-ester monomer and stabilizer until dissolving completely; b. adding accelerant and o-benzene sulfonyl imine until dissolving completely; c. adding thermostable additive, thermostable torque adjuster and gas-phased silica; cooling to indoor temperature until dissolving completely; d. adding organic peroxide until stirring evenly.

Description

technical field [0001] The invention relates to an anaerobic adhesive and a preparation method thereof. Background technique [0002] At present, there are many kinds of practical high-temperature-resistant anaerobic adhesive products, but because the molecular chain of high-temperature-resistant anaerobic adhesive monomers is rigid, and the intermolecular cross-linking density is large after high-temperature curing, commercially available high-temperature-resistant anaerobic adhesives are generally high-strength. Anaerobic adhesives, bonded specimens are difficult to disassemble during maintenance. [0003] There are many factors that affect the disassembly strength of threaded parts and flange planes, such as thread diameter, length and fit clearance, but mainly the properties of the adhesive. At present, the evaluation of the ease of disassembly of the adhesive mainly refers to the breaking torque / removal torque (T b / T p ) ratio. When it is used for permanent locking...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/00C09J9/00
Inventor 王刚刘晓辉
Owner HEILONGJIANG INST OF PETROCHEM
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