Acrylic anaerobic adhesive

An anaerobic adhesive and acrylic technology, applied in the direction of adhesives, adhesive additives, polymer adhesive additives, etc., can solve the problems of long curing time and low strength, and achieve improved mechanical properties, high strength, and fast curing speed at room temperature Effect

Inactive Publication Date: 2017-06-09
吴中区穹窿山倪源交通器材经营部
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional anaerobic adhesives have long curing time and low strength. With the widespread use of anaerobic adhesives, the preparation of adhesives with better performance is a must for production and development.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An acrylic anaerobic adhesive, made of the following raw materials in parts by weight: 45 parts of hydroxypropyl methacrylate, 30 parts of polyethylene glycol dimethacrylate, triethylene glycol dimethacrylate 18 parts of ester, 10 parts of modified nano-attapulgite, 15 parts of bismaleimide resin, 1.5 parts of initiator, 1 part of accelerator, 0.8 part of phthalimide, and 3 parts of processing aid.

[0018] Described processing aid is the mixture of mica powder, titanium dioxide, white carbon black, pigment, thickener, plasticizer, thixotropic agent and ultraviolet absorber; Described initiator is tert-butyl hydroperoxide and peroxide A mixture of oxidized dicyclohexyl carbonate; the accelerator is a mixture of N,N-diethyl-p-toluidine and triethanolamine; the modified nano attapulgite is the use of aluminate coupling agent The soil is prepared by surface treatment.

Embodiment 2

[0020] An acrylic anaerobic adhesive, made of the following raw materials in parts by weight: 50 parts of hydroxypropyl methacrylate, 25 parts of polyethylene glycol dimethacrylate, ethoxylated bisphenol A dimethacrylate 20 parts, 8 parts of modified nano-attapulgite, 18 parts of bismaleimide resin, 1 part of initiator, 1.5 parts of accelerator, 0.5 parts of phthalimide, and 4 parts of processing aid.

[0021] Described processing aid is the mixture of mica powder, titanium dioxide, white carbon black, pigment, thickener, plasticizer, thixotropic agent and ultraviolet absorber; Described initiator is tert-butyl hydroperoxide and peroxide A mixture of oxidized dicyclohexyl carbonate; the accelerator is a mixture of N,N-diethyl-p-toluidine and triethanolamine; the modified nano attapulgite is the use of aluminate coupling agent The soil is prepared by surface treatment.

Embodiment 3

[0023] An acrylic anaerobic adhesive, made of the following raw materials in parts by weight: 40 parts of hydroxypropyl methacrylate, 35 parts of polyethylene glycol dimethacrylate, triethylene glycol dimethacrylate 15 parts of ester, 12 parts of modified nano-attapulgite, 10 parts of bismaleimide resin, 2 parts of initiator, 0.5 part of accelerator, 1 part of phthalimide, and 2 parts of processing aid.

[0024] Described processing aid is the mixture of mica powder, titanium dioxide, white carbon black, pigment, thickener, plasticizer, thixotropic agent and ultraviolet absorber; Described initiator is tert-butyl hydroperoxide and peroxide A mixture of oxidized dicyclohexyl carbonate; the accelerator is a mixture of N,N-diethyl-p-toluidine and triethanolamine; the modified nano attapulgite is the use of aluminate coupling agent The soil is prepared by surface treatment.

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PUM

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Abstract

The invention relates to the field of anaerobic adhesive, in particular to acrylic anaerobic adhesive. The acrylic anaerobic adhesive is made of raw materials including, by weight, 40-50 parts of hydroxypropyl methacrylate, 25-35 parts of bis-methacrylic acid poly-condensation glycol ester, 15-20 parts of anaerobic acrylate monomers, 8-12 parts of modified nanometer attapulgite, 10-18 parts of heat-resistant resin, 1-2 parts of initiators, 0.5-1.5 parts of accelerators, 0.5-1 part of activating accelerators and 2-4 parts of processing auxiliaries. The acrylic anaerobic adhesive has the advantages that the modified nanometer attapulgite is added into the acrylic anaerobic adhesive, accordingly, the mechanical properties of the adhesive can be enhanced, and the heat resistance and the corrosion resistance of the adhesive can be improved; the heat resistance of the acrylic anaerobic adhesive can be obviously improved by added bismaleimide resin; various raw material components are reasonably configured, accordingly, the obtained acrylic anaerobic adhesive is high in room-temperature curing speed and strength, good leveling effects can be realized by the acrylic anaerobic adhesive, and paint films on adhered surfaces are uniform and consistent and are excellent in heat resistance and corrosion resistance.

Description

technical field [0001] The invention relates to the field of anaerobic adhesives, in particular to an acrylic anaerobic adhesive. Background technique [0002] Adhesives Anaerobic adhesives, short for anaerobic adhesives, are single-component sealing adhesives made from the principle of oxygen radical inhibition by radicals. They can be used for both bonding and sealing. When the glued surface is isolated from the air and catalyzed, it can be quickly polymerized and solidified at room temperature. The composition of anaerobic adhesives is relatively complex, with unsaturated monomers as the main components, and aromatic amines, phenols, aromatic hydrazines, and peroxides. Due to its unique anaerobic adhesive curing characteristics, anaerobic adhesives can be used in locking, sealing, holding, bonding, plugging, etc. Anaerobic adhesives have become an indispensable liquid tool for the machinery industry. It is widely used in aerospace, military industry, automobile, machin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/02C09J4/06C09J11/04C09J11/08
CPCC09J4/06C09J11/04C09J11/08
Inventor 潘虹
Owner 吴中区穹窿山倪源交通器材经营部
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