CN103342966B - High-strength high-temperature-resistant structural anaerobic adhesive and preparation method thereof - Google Patents
High-strength high-temperature-resistant structural anaerobic adhesive and preparation method thereof Download PDFInfo
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Abstract
The invention relates to the technical field of industrial anaerobic adhesives, particularly relates to a high-strength high-temperature-resistant structural anaerobic adhesive and further relates to a preparation method of the high-strength high-temperature-resistant structural anaerobic adhesive. The high-strength high-temperature-resistant structural anaerobic adhesive contains the following ingredients: an acrylate oligomer, a methacrylate monomer, a polymerization inhibitor, a metal chelator, an accelerant, an initiator and filler. According to the high-strength high-temperature-resistant structural anaerobic adhesive and the preparation method thereof, an appropriate amount of the high-functional-group oligomer and an appropriate amount of the monomer are added, and the characteristics of high adhesive strength, high glass transition temperature and high crosslinking density of the high-functional-group oligomer and the monomer are utilized, so that the adhesive power and high temperature resistance of a system are enhanced essentially; and the traditional methods that bismaleic amide is added are not used any more, so that the problem of poor flexibility caused by the addition of the bismaleic amide is solved.
Description
Technical field
The present invention relates to industrial anaerobic glue technical field, be specifically related to a kind of High-strength high-temperature-resstructural structural anaerobic adhesive, also relate to its preparation method.
Background technology
Anaerobic adhesive (abbreviation anaerobic glue), it is the single-component sealing bonding agent utilizing oxygen to make free radical inhibition principle, just can solidify at room temperature rapid polymerization when coated face and air exclusion and in catalysis, can be applicable to sealing, fixing, the aspect such as bonding.Anaerobic glue has become the indispensable liquid instrument of machinery industry, has apply very widely in aerospace, military project, automobile, machinery, electronics, the industry such as electric.And traditional high-temperature-resistant structure anaerobic adhesive is mainly based on thread locking glue, this type of screw thread glue is mainly for the application of thread seal and locking, low to the bonding strength of two dimensional structure, and snappiness is poor, and resistance to impact shock is low.Although general anaerobic structure glue has good bonding strength, but it is not ideal in thermotolerance, under mainly showing the working conditions of 150 DEG C or more, bonding strength there will be and declines to a great extent, and is difficult to meet metal machinery, the industry such as electric for the bonding requirements under hot conditions.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of High-strength high-temperature-resstructural structural anaerobic adhesive, also provides its preparation method.
Technical problem to be solved by this invention is achieved by the following technical programs:
A kind of High-strength high-temperature-resstructural structural anaerobic adhesive, the component containing, for example lower mass fraction:
Origoester acrylate 35 ~ 60 parts
Methacrylate monomer 25 ~ 50 parts
Stopper 0.1 ~ 1 part
Metal chelator 0.05 ~ 0.5 part
Promotor 0.1 ~ 3 part
Initiator 1 ~ 10 part
Filler 1 ~ 5 part.
Further, also containing the dyestuff of 0.1 ~ 0.5 part, the High-strength high-temperature-resstructural structural anaerobic adhesive containing dyestuff is made up of the component of following mass fraction:
Origoester acrylate 35 ~ 60 parts
Methacrylate monomer 25 ~ 50 parts
Stopper 0.1 ~ 1 part
Metal chelator 0.05 ~ 0.5 part
Promotor 0.1 ~ 3 part
Initiator 1 ~ 10 part
Filler 1 ~ 5 part
Dyestuff 0.1 ~ 0.5 part.
Described origoester acrylate is the mixture of one or more in bifunctional urethane acrylate, trifunctional urethane acrylate, polyfunctional group urethane acrylate, bifunctional epoxy acrylate, trifunctional epoxy acrylate, multifunction group epoxy acrylate.
Described methacrylate monomer is the mixture of one or more in isobornyl methacrylate, Rocryl 410, hydroxyethyl methylacrylate, methyltetrahydrofuran acrylate, 1,6 hexanediol diacrylate, tripropylene glycol dimethacrylate, Viscoat 295.
Described stopper is at least one in p-tert-butylphenol, Resorcinol, para benzoquinone, p methoxy phenol.
Described metal chelator is at least one in tetrasodium salt of EDTA, disodium EDTA.
Described promotor is at least one in adjacent benzenesulfonimide, pyrodin, xitix, triethylamine, tri-n-butylamine.
Described initiator is at least one in tertbutyl peroxide, isopropyl benzene hydroperoxide, dicumyl peroxide.
Described filler is at least one in aerosil, polytetrafluoroethylene powder, polymethylmethacrylate.
Described dyestuff is at least one in Disperse Red, scattered fluorescent yellow, 63 DISPERSE Violet 63.
The preparation method of above-mentioned High-strength high-temperature-resstructural structural anaerobic adhesive is: methacrylate monomer, origoester acrylate, stopper, metal chelator, promotor, filler are dropped in proportion in reactor, whole dissolving is stirred well at 50 ~ 60 DEG C, be cooled to less than 45 DEG C, again initiator is dropped in reactor, after stirring, can finished product be obtained.
The present invention has following beneficial effect:
The present invention adds high functional group oligopolymer and monomer by appropriate, utilize the high-adhesive-strength of high functional group oligopolymer and monomer, high glass transition temperature, high crosslink density characteristic, inherently strengthen bonding force and the resistance to elevated temperatures of system, and do not re-use the traditional method of adding two maleinamides, thus avoid the problem because adding the snappiness difference that two maleinamide brings.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.Embodiment is only the preferred embodiment of the present invention, is not limitation of the present invention.
Embodiment 1:
A kind of High-strength high-temperature-resstructural structural anaerobic adhesive, each component and mass fraction as follows:
Trifunctional epoxy acrylate 20 parts
Four-functional group urethane acrylate 27 parts
Tripropylene glycol dimethacrylate 45.2 parts
P methoxy phenol 0.3 part
Tetrasodium salt of EDTA 0.05 part
Pyrodin 1.3 parts
Tertbutyl peroxide 6.5 parts
Aerosil 2.3 parts
Scattered fluorescent yellow 0.35 part.
During preparation, by above-mentioned parts by weight, trifunctional epoxy acrylate, four-functional group urethane acrylate, tripropylene glycol dimethacrylate, pyrodin, p methoxy phenol, tetrasodium salt of EDTA, aerosil are dropped in reactor, be stirred well to after all dissolving at 50 ~ 60 DEG C, be cooled to less than 45 DEG C, again tertbutyl peroxide, scattered fluorescent yellow are dropped in reactor, stir and can obtain finished product.
Embodiment 2:
A kind of High-strength high-temperature-resstructural structural anaerobic adhesive, each component and mass fraction as follows:
Hexafunctional aliphatic urethane acrylates 33 parts
Bifunctional epoxy acrylate 25 parts
Viscoat 295 24 parts
Hydroxyethyl methylacrylate 10 parts
Resorcinol 0.2 part
Disodium EDTA 0.1 part
Adjacent benzenesulfonimide 1.5 parts
Isopropyl benzene hydroperoxide 5.5 parts
Polymethylmethacrylate 2 parts
Disperse Red 0.2 part
63 DISPERSE Violet 63 0.2 part.
During preparation, by above-mentioned parts by weight, hexafunctional aliphatic urethane acrylates, bifunctional epoxy acrylate, hydroxyethyl methylacrylate, Viscoat 295, adjacent benzenesulfonimide, Resorcinol, disodium EDTA/polymethylmethacrylate are dropped in reactor, be stirred well to after all dissolving at 50 ~ 60 DEG C, be cooled to less than 45 DEG C, again isopropyl benzene hydroperoxide, Disperse Red, 63 DISPERSE Violet 63 are dropped in reactor, stir and can obtain finished product.
Embodiment 3
A kind of High-strength high-temperature-resstructural structural anaerobic adhesive, each component and mass fraction as follows:
Bifunctional urethane acrylate 35 parts
Isobornyl methacrylate 35 parts
P-tert-butylphenol 1 part
Tetrasodium salt of EDTA 5 parts
Adjacent benzenesulfonimide 3 parts
Dicumyl peroxide 3 parts
Polytetrafluoroethylene powder 3 parts
During preparation, by above-mentioned parts by weight, isobornyl methacrylate, bifunctional urethane acrylate, p-tert-butylphenol, tetrasodium salt of EDTA, adjacent benzenesulfonimide, polytetrafluoroethylene powder are dropped in reactor in proportion, whole dissolving is stirred well at 50 ~ 60 DEG C, be cooled to less than 45 DEG C, again initiator dicumyl peroxide is dropped in reactor, after stirring, can finished product be obtained.
Comparative example:
An anaerobic glue for routine, each component and parts by weight as follows:
Epoxy methacrylates 51 parts
Polyoxyethylene glycol (200) diacrylate 43 parts
P methoxy phenol 0.15 part
Tetrasodium salt of EDTA 0.05 part
Triethylamine 2.5 parts
Isopropyl benzene hydroperoxide 4.5 parts
Disperse Red 0.5 part
During preparation, by above-mentioned parts by weight, epoxy methacrylates, polyoxyethylene glycol (200) diacrylate, triethylamine, p methoxy phenol, tetrasodium salt of EDTA are dropped in reactor, be stirred well to after all dissolving at 50 ~ 60 DEG C, be cooled to less than 45 DEG C, again isopropyl benzene hydroperoxide, Disperse Red etc. are dropped in reactor, stir and can obtain finished product.
The test data of embodiment and comparative example gained finished product is as follows:
As can be seen from the above table, High-strength high-temperature-resstructural structural anaerobic adhesive prepared by the present invention is compared with comparative example, and not only shock strength is larger, and heat-resisting ability is also significantly improved, even still have good bonding strength under 180 DEG C of high temperature.
Claims (8)
1. a High-strength high-temperature-resstructural structural anaerobic adhesive, is characterized in that: the component containing, for example lower mass fraction:
Origoester acrylate 35 ~ 60 parts
Tripropylene glycol dimethacrylate 25 ~ 50 parts
Stopper 0.1 ~ 1 part
Metal chelator 0.05 ~ 0.5 part
Promotor 0.1 ~ 3 part
Initiator 1 ~ 10 part
Filler 1 ~ 5 part;
Described origoester acrylate is the mixture of trifunctional epoxy acrylate and four-functional group urethane acrylate.
2. High-strength high-temperature-resstructural structural anaerobic adhesive according to claim 1, is characterized in that: also containing the dyestuff of 0.1 ~ 0.5 part, the High-strength high-temperature-resstructural structural anaerobic adhesive containing dyestuff is made up of the component of following mass fraction:
Origoester acrylate 35 ~ 60 parts
Tripropylene glycol dimethacrylate 25 ~ 50 parts
Stopper 0.1 ~ 1 part
Metal chelator 0.05 ~ 0.5 part
Promotor 0.1 ~ 3 part
Initiator 1 ~ 10 part
Filler 1 ~ 5 part
Dyestuff 0.1 ~ 0.5 part;
Described origoester acrylate is the mixture of trifunctional epoxy acrylate and four-functional group urethane acrylate.
3. High-strength high-temperature-resstructural structural anaerobic adhesive according to claim 1 and 2, is characterized in that: described stopper is at least one in p-tert-butylphenol, Resorcinol, para benzoquinone, p methoxy phenol.
4. High-strength high-temperature-resstructural structural anaerobic adhesive according to claim 1 and 2, is characterized in that: described metal chelator is at least one in tetrasodium salt of EDTA, disodium EDTA.
5. High-strength high-temperature-resstructural structural anaerobic adhesive according to claim 1 and 2, is characterized in that: described promotor is at least one in adjacent benzenesulfonimide, pyrodin, xitix, triethylamine, tri-n-butylamine.
6. High-strength high-temperature-resstructural structural anaerobic adhesive according to claim 1 and 2, is characterized in that: described initiator is at least one in tertbutyl peroxide, isopropyl benzene hydroperoxide, dicumyl peroxide.
7. High-strength high-temperature-resstructural structural anaerobic adhesive according to claim 1 and 2, is characterized in that: described filler is at least one in aerosil, polytetrafluoroethylene powder, polymethylmethacrylate.
8. the preparation method of High-strength high-temperature-resstructural structural anaerobic adhesive described in a claim 1, it is characterized in that: monomer, origoester acrylate, stopper, metal chelator, promotor, filler are dropped in reactor in proportion, whole dissolving is stirred well at 50 ~ 60 DEG C, be cooled to less than 45 DEG C, again initiator is dropped in reactor, after stirring, can finished product be obtained.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103497728B (en) * | 2013-10-18 | 2015-06-24 | 北京海斯迪克新材料有限公司 | Room-temperature-storage type acrylate underfill adhesive and preparation method thereof |
| CN104046280A (en) * | 2014-06-04 | 2014-09-17 | 重庆聚瑞化工新材料有限公司 | Anaerobic adhesive for sealing bowl-shaped plug of engine |
| CN104031592A (en) * | 2014-06-30 | 2014-09-10 | 江苏华程光电科技有限公司 | Sealant with low shrinkage rate for encapsulating LED (light-emitting diode) |
| CN105176422B (en) * | 2015-10-21 | 2018-04-20 | 武汉双键开姆密封材料有限公司 | A kind of low cost anaerobic adhesive and preparation method thereof |
| CN105754493A (en) * | 2016-03-22 | 2016-07-13 | 湖南把兄弟新材料股份有限公司 | Anaerobic and impact-resistant magnetic steel glue as well as preparation method and application thereof |
| CN108102587A (en) * | 2016-11-24 | 2018-06-01 | 中航贵州飞机有限责任公司 | It is not added with the preparation method of glycidyl methacrylate modified acrylic ester adhesion agent |
| CN107384271A (en) * | 2017-06-27 | 2017-11-24 | 常州奕轩纺织品有限公司 | A kind of thread locking anaerobic adhesive and preparation method thereof |
| CN107625665A (en) * | 2017-08-31 | 2018-01-26 | 河源然生新材料有限公司 | A kind of nail polish glue and preparation method thereof |
| CN109135551B (en) * | 2018-08-09 | 2020-11-20 | 深圳市前海奇迹新材料有限公司 | High-flexibility water-based UV coating |
| CN109825242B (en) * | 2019-02-28 | 2021-07-13 | 浙江科力厌氧胶有限公司 | Anaerobic structural adhesive and preparation method thereof |
| US11739172B2 (en) | 2020-12-17 | 2023-08-29 | 3M Innovative Properties Company | Composition including monomer with a carboxylic acid group, monomer with a hydroxyl group, and crosslinker and related articles and methods |
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| MX2010004765A (en) * | 2007-10-29 | 2010-07-02 | Henkel Corp | Thermally resistant anaerobically curable compositions. |
| CN101735734B (en) * | 2008-11-04 | 2012-05-16 | 广东恒大新材料科技有限公司 | Anaerobic adhesive initiator composite and anaerobic adhesive containing initiator |
| WO2012073684A1 (en) * | 2010-12-03 | 2012-06-07 | 株式会社スリーボンド | Curable composition |
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