CN102634287B - Method for improving stability of bonding strength of adhesive interface - Google Patents
Method for improving stability of bonding strength of adhesive interface Download PDFInfo
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- CN102634287B CN102634287B CN 201210125816 CN201210125816A CN102634287B CN 102634287 B CN102634287 B CN 102634287B CN 201210125816 CN201210125816 CN 201210125816 CN 201210125816 A CN201210125816 A CN 201210125816A CN 102634287 B CN102634287 B CN 102634287B
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- bonding
- tackiness agent
- ethyl acetate
- brushing
- adhesive
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- 239000000853 adhesive Substances 0.000 title claims abstract description 38
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 23
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 114
- 239000003292 glue Substances 0.000 claims abstract description 12
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 59
- 230000001680 brushing effect Effects 0.000 claims description 43
- 238000003756 stirring Methods 0.000 claims description 18
- 239000012895 dilution Substances 0.000 claims description 12
- 238000010790 dilution Methods 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 229920003987 resole Polymers 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 7
- 238000010923 batch production Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 229920001971 elastomer Polymers 0.000 abstract description 3
- 239000005060 rubber Substances 0.000 abstract description 3
- 238000004886 process control Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 2
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000007865 diluting Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 229920013649 Paracril Polymers 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000013536 elastomeric material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- -1 pottery Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003113 dilution method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides a method for improving the stability of the bonding strength of an adhesive interface, belongs to the field of an adhesive, improves a construction process of a Changcheng 730 adhesive, completes the process control and improves the stability of large-batch production and the bonding strength of large objects. The technical scheme disclosed by the invention mainly comprisesa regulating step, a glue preparation step, a diluting step, a coating step and a bonding step; and ethyl acetate is chemically pure or analytically pure. With the adoption of the technical scheme, the bonding between metal and a rubber material which takes acrylonitrile-butadiene rubber as a substrate material, and the bonding of the rubber material which takes the acrylonitrile-butadiene rubberas the substrate material are carried out; the large-scale batch production of objects with smaller bonding surfaces and the batch production of objects with larger bonding surfaces are realized; a test result and a detection result show that the bonding strength is high and the batch quality stability is good; and the very good technical effect is obtained.
Description
Technical field
The invention belongs to adhesive area, be specifically related to a kind of method that improves tackiness agent interfacial adhesion strength stability.
Background technology
The major function of tackiness agent is to be linked together by adhesives.Bonding principal mode has two kinds: non-structural type and structure-type.Non-structure is bonding mainly to be referred to surface cohering, sealing and functional bonding comprise that surface bonding sticks with glue agent, sealing and electro-conductive adhesive etc.; And structure-type bonding be structural unit to be sticked with glue agent firmly fix together bonding phenomenon.Wherein used sqtructural adhesive and adhesive spots thereof must transferring structure stress, do not influence the integrity of its structure and to the suitability of environment in scope of design.Stress transmission in the bonded assembly is compared with traditional machine riveting, and stress distribution is more even, and bonding unit construction than machine riveting (riveted joint, welding, interference connection and modes such as bolt is connected) intensity height, cost is low, quality is light.
Because stress distribution is very even in the bonded joint, can make by the strength and stiffness of sticky object and all be embodied, but also can alleviate quality, adopt the tackiness agent assembling to eliminate passive load as spacecraft, increase useful load; Can be used for bonding between the various materials such as metal, plastics, rubber, pottery, cork, glass, timber, paper, fiber.In the product development and production of industries such as aerospace, usually use adhesive technology and tackiness agent.Board 730 tackiness agent in Great Wall are a kind of outstanding structural tackiness agent, are usually used in metal and are bonding between the elastomeric material of body material with the paracril or are bonding between the elastomeric material of body material with the paracril.
Find in product research with in producing, because the construction technology of Great Wall board 730 tackiness agent mainly adopts manual brushing, the became uneven of the glue-line of brushing is even, need solvent to dilute in the Great Wall board 730 tackiness agent construction processs, sometimes solvent fails fully to volatilize, and above factor has caused the bonding strength instability.Be mainly reflected in, big in batches though the bonding plane of object is smaller in large-scale batch process the in batches, cause the bonding strength of some amount object lower, influenced a batch quality of stability; The batch of some object is little, but the bonding plane of object is very big, and the bonding strength at local indivedual positions is lower, has influenced the quality of whole object.
How to improve the construction technology of Great Wall board 730 tackiness agent, improve process control, improve the stability of the bonding strength of production in enormous quantities and big article, be a technical barrier always.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method that improves tackiness agent interfacial adhesion strength stability, in order to improve to produce in enormous quantities and the stability of the bonding strength of big article.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of method that improves tackiness agent interfacial adhesion strength stability mainly may further comprise the steps:
1) regulation and control step: the envrionment temperature control of bonding object is at 20 ℃ ~ 25 ℃, and humidity is controlled 45% ~ 65%;
2) join the glue step: 730 tackiness agent are carried out weighing, mixing according to quality than the ratio of first: second=1:3 ~ 5, stir, color presents redness, and described first component is resol, and component B is nitrile rubber solution;
3) dilution step: add ethyl acetate in the tackiness agent and dilute, the amount of ethyl acetate is 3 ~ 4 times of adhesive quality, adds at twice, adds equivalent for the first time, and mixing and stirring is added remaining ethyl acetate then, mixes;
4) brushing step: at the bonding plane brushing adhesive stick of object, treat ethyl acetate volatilization, use the finger touch bonding plane, if with the finger phenomenon that do not stick together, then again at bonding plane brushing adhesive stick, add up to and brush three times;
5) bonding step: after the brushing step finishes, use the finger touch bonding plane, treat and point when not sticking together, then that object is bonding;
Can improve tackiness agent interfacial adhesion strength stability by above-mentioned steps.
Described ethyl acetate adopts chemical pure or analytical pure.
Board 730 tackiness agent in Great Wall are the sqtructural adhesives by first and second pairs of components, the first component is resol, component B is nitrile rubber solution, resol in the first component mainly plays bonding with metal, and the paracril in the component B and paracril are that the object of body material takes place bonding by chemically crosslinked.
A kind of method that improves tackiness agent interfacial adhesion strength stability provided by the invention; in construction process; because mixing of tackiness agent is extremely important; dilution by solvent; can guarantee to mix between tackiness agent first and second components; adopt the secondary dilution method, can further guarantee to mix.The stability that tackiness agent can be guaranteed bonding strength in homogeneity and the stability of the bondline thickness of bonding article surface, the quantitative dilution of thinner, can guarantee the tackiness agent steady concentration, guaranteed the consistence of each brushing amount, divide three brushings, the brushing total amount be can guarantee, thereby homogeneity and the stability of bondline thickness guaranteed.Control envrionment temperature and the humidity of the environment of bonding object, be conducive to control the volatilization of solvent in the construction process, the carrying out of reaction, make everything be in slave mode.Solvent evaporates in the tackiness agent is very important, and after the dilution, concentration reduces, and the glue-line after the brushing is thinner, is conducive to the volatilization of solvent, divides three brushings, also is beneficial to the volatilization of solvent, has adopted with finger touch bonding plane mode, can detect the volatilization degree of solvent.Ethyl acetate adopts chemical pure or analytical pure to consider that mainly the impurity in chemical pure and the analytical pure is fewer, and the existence of the magazine of high molecular and difficult volatilization will directly influence bonding strength.
After having adopted above technical scheme, development and the production of many objects have been carried out, comprise metal and be bonding between the elastomeric material of body material with the paracril, paracril is bonding between the elastomeric material of body material, the smaller object of bonding plane is produced in batches on a large scale, and the very large object of bonding plane is produced in batches, and test result and detected result show bonding strength height therebetween, batch quality of stability is good, has obtained extraordinary technique effect.
Embodiment
Embodiment 1:
A kind of method that improves tackiness agent interfacial adhesion strength stability mainly may further comprise the steps:
1) regulation and control step: the envrionment temperature control of bonding object is at 20 ℃, and humidity is controlled 45%;
2) join the glue step: board 730 tackiness agent in Great Wall are carried out weighing according to quality than the ratio of first: second=1:3, and first is that 100g, second are 300g, mixes, and stirs, and color presents redness;
3) dilution step: add the chemical pure ethyl acetate in the tackiness agent and dilute, the amount of ethyl acetate is 3 times of adhesive quality, is 1200g, add at twice, add 400g, mixing and stirring for the first time, add remaining 800g ethyl acetate then, mix;
4) brushing step: at the bonding plane brushing adhesive stick of object, treat ethyl acetate volatilization, use the finger touch bonding plane, if with the finger phenomenon that do not stick together, then again at bonding plane brushing adhesive stick, add up to and brush three times;
5) bonding step: after the brushing step finishes, use the finger touch bonding plane, treat and point when not sticking together, then that object is bonding;
Can improve tackiness agent interfacial adhesion strength stability by above-mentioned steps.
This technical scheme especially is fit to metal and is bonding between the elastomeric material of body material with the paracril, and the ratio of first component is higher in the tackiness agent, and phenolic resin content is many, is conducive to bonding with metal, has extraordinary technique effect.
Embodiment 2:
A kind of method that improves tackiness agent interfacial adhesion strength stability mainly may further comprise the steps:
1) regulation and control step: the envrionment temperature control of bonding object is at 23 ℃, and humidity controls 55%;
2) join the glue step: board 730 tackiness agent in Great Wall are carried out weighing according to quality than the ratio of first: second=1:5, and first is 100g, and second is 500g, mixes, and stirs, and color presents redness;
3) dilution step: add the chemical pure ethyl acetate in the tackiness agent and dilute, the amount of ethyl acetate is 4 times of adhesive quality, is 2400g, add at twice, add equivalent for the first time, be 600g, mix, add remaining 1800g, mixing and stirring then;
4) brushing step: at the bonding plane brushing adhesive stick of object, treat ethyl acetate volatilization, use the finger touch bonding plane, if with the finger phenomenon that do not stick together, then again at bonding plane brushing adhesive stick, add up to and brush three times;
5) bonding step: after the brushing step finishes, use the finger touch bonding plane, treat and point when not sticking together, then that object is bonding;
Can improve tackiness agent interfacial adhesion strength stability by above-mentioned steps.
Embodiment 3:
A kind of method that improves tackiness agent interfacial adhesion strength stability mainly may further comprise the steps:
1) regulation and control step: the envrionment temperature control of bonding object is at 25 ℃, and humidity is controlled 65%;
2) join the glue step: board 730 tackiness agent in Great Wall are carried out weighing according to quality than the ratio of first: second=1:4, and first is 100g, and second is 400g, mixes, and stirs, and color presents redness;
3) dilution step: add the analytical pure ethyl acetate in the tackiness agent and dilute, the amount of ethyl acetate is 4 times of adhesive quality, is 2000g, add at twice, add equivalent for the first time, be 500g, mix, add remaining 1500g, mixing and stirring then;
4) brushing step: at the bonding plane brushing adhesive stick of object, treat ethyl acetate volatilization, use the finger touch bonding plane, if with the finger phenomenon that do not stick together, then again at bonding plane brushing adhesive stick, add up to and brush three times;
5) bonding step: after the brushing step finishes, use the finger touch bonding plane, treat and point when not sticking together, then that object is bonding;
Can improve tackiness agent interfacial adhesion strength stability by above-mentioned steps.
Embodiment 4:
A kind of method that improves tackiness agent interfacial adhesion strength stability mainly may further comprise the steps:
1) regulation and control step: the envrionment temperature control of bonding object is at 25 ℃, and humidity is controlled 65%;
2) join the glue step: board 730 tackiness agent in Great Wall are carried out weighing according to quality than the ratio of first: second=1:5, and first is that 100g, second are 500g, mixes, and stirs, and color presents redness;
3) dilution step: add the analytical pure ethyl acetate in the tackiness agent and dilute, the amount of ethyl acetate is 4 times of adhesive quality, is 2400g, add at twice, add 600g, mixing and stirring for the first time, add remaining 1800g ethyl acetate then, mix;
4) brushing step: at the bonding plane brushing adhesive stick of object, treat ethyl acetate volatilization, use the finger touch bonding plane, if with the finger phenomenon that do not stick together, then again at bonding plane brushing adhesive stick, add up to and brush three times;
5) bonding step: after the brushing step finishes, use the finger touch bonding plane, treat and point when not sticking together, then that object is bonding;
Can improve tackiness agent interfacial adhesion strength stability by above-mentioned steps.
Embodiment 5:
A kind of method that improves tackiness agent interfacial adhesion strength stability mainly may further comprise the steps:
1) regulation and control step: the envrionment temperature control of bonding object is at 20 ℃, and humidity is controlled 65%;
2) join the glue step: board 730 tackiness agent in Great Wall are carried out weighing according to quality than the ratio of first: second=1:5, and first is that 100g, second are 500g, mixes, and stirs, and color presents redness;
3) dilution step: add the chemical pure ethyl acetate in the tackiness agent and dilute, the amount of ethyl acetate is 4 times of adhesive quality, is 2400g, add at twice, add 600g, mixing and stirring for the first time, add remaining 1800g ethyl acetate then, mix;
4) brushing step: at the bonding plane brushing adhesive stick of object, treat ethyl acetate volatilization, use the finger touch bonding plane, if with the finger phenomenon that do not stick together, then again at bonding plane brushing adhesive stick, add up to and brush three times;
5) bonding step: after the brushing step finishes, use the finger touch bonding plane, treat and point when not sticking together, then that object is bonding;
Can improve tackiness agent interfacial adhesion strength stability by above-mentioned steps.
Embodiment 6:
A kind of method that improves tackiness agent interfacial adhesion strength stability mainly may further comprise the steps:
1) regulation and control step: the envrionment temperature control of bonding object is at 20 ℃, and humidity is controlled 65%;
2) join the glue step: board 730 tackiness agent in Great Wall are carried out weighing according to quality than the ratio of first: second=1:5, and first is that 100g, second are 500g, mixes, and stirs, and color presents redness;
3) dilution step: add the chemical pure ethyl acetate in the tackiness agent and dilute, the amount of ethyl acetate is 3 times of adhesive quality, is 1800g, add at twice, add 600g, mixing and stirring for the first time, add remaining 1200g ethyl acetate then, mix;
4) brushing step: at the bonding plane brushing adhesive stick of object, treat ethyl acetate volatilization, use the finger touch bonding plane, if with the finger phenomenon that do not stick together, then again at bonding plane brushing adhesive stick, add up to and brush three times;
5) bonding step: after the brushing step finishes, use the finger touch bonding plane, treat and point when not sticking together, then that object is bonding;
Can improve tackiness agent interfacial adhesion strength stability by above-mentioned steps.
Embodiment 7:
A kind of method that improves tackiness agent interfacial adhesion strength stability mainly may further comprise the steps:
1) regulation and control step: the envrionment temperature control of bonding object is at 23 ℃, and humidity is controlled 45%;
2) join the glue step: board 730 tackiness agent in Great Wall are carried out weighing according to quality than the ratio of first: second=1:3, and first is that 100g, second are 300g, mixes, and stirs, and color presents redness;
3) dilution step: add in the tackiness agent to analyze and deposit ethyl acetate and dilute, the amount of ethyl acetate is 4 times of adhesive quality, is 1600g, add at twice, add 400g, mixing and stirring for the first time, add remaining 1200g ethyl acetate then, mix;
4) brushing step: at the bonding plane brushing adhesive stick of object, treat ethyl acetate volatilization, use the finger touch bonding plane, if with the finger phenomenon that do not stick together, then again at bonding plane brushing adhesive stick, add up to and brush three times;
5) bonding step: after the brushing step finishes, use the finger touch bonding plane, treat and point when not sticking together, then that object is bonding;
Can improve tackiness agent interfacial adhesion strength stability by above-mentioned steps.
This technical scheme especially is fit to metal and is bonding between the elastomeric material of body material with the paracril, and the ratio of first component is higher in the tackiness agent, and phenolic resin content is many, is conducive to bonding with metal, has extraordinary technique effect.
Claims (2)
1. method that improves tackiness agent interfacial adhesion strength stability mainly may further comprise the steps:
1) regulation and control step: the envrionment temperature control of bonding object is at 20 ℃ ~ 25 ℃, and humidity is controlled 45% ~ 65%;
2) join the glue step: 730 tackiness agent are carried out weighing, mixing according to quality than the ratio of first: second=1:3 ~ 5, stir, color presents redness, and described first component is resol, and component B is nitrile rubber solution;
3) dilution step: add ethyl acetate in the tackiness agent and dilute, the amount of ethyl acetate is 3 ~ 4 times of adhesive quality, adds at twice, adds equivalent for the first time, and mixing and stirring is added remaining ethyl acetate then, mixes;
4) brushing step: at the bonding plane brushing adhesive stick of object, treat ethyl acetate volatilization, use the finger touch bonding plane, if with the finger phenomenon that do not stick together, then again at bonding plane brushing adhesive stick, add up to and brush three times;
5) bonding step: after the brushing step finishes, use the finger touch bonding plane, treat and point when not sticking together, then that object is bonding;
Can improve tackiness agent interfacial adhesion strength stability by above-mentioned steps.
2. described a kind of method that improves tackiness agent interfacial adhesion strength stability according to claim 1 is characterized in that: described ethyl acetate employing chemical pure or analytical pure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210125816 CN102634287B (en) | 2012-04-26 | 2012-04-26 | Method for improving stability of bonding strength of adhesive interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210125816 CN102634287B (en) | 2012-04-26 | 2012-04-26 | Method for improving stability of bonding strength of adhesive interface |
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| Publication Number | Publication Date |
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| CN102634287A CN102634287A (en) | 2012-08-15 |
| CN102634287B true CN102634287B (en) | 2013-10-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104387602B (en) * | 2014-11-19 | 2018-12-11 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of Aircraft Canopy Transparencies edge connection application method of adhesive |
| CN108102560A (en) * | 2016-11-24 | 2018-06-01 | 中航贵州飞机有限责任公司 | A kind of room temperature low pressure technique for sticking of nitrile rubber and metal |
| CN109827645B (en) * | 2018-12-26 | 2021-06-18 | 江苏日托光伏科技股份有限公司 | MWT assembly conductive adhesive quota testing method |
| CN113337223B (en) * | 2020-08-28 | 2023-04-07 | 湖南蓝伯化工有限责任公司 | High-weather-resistance green component distributed bonding method |
| CN114196329B (en) * | 2021-12-15 | 2022-09-16 | 成都飞机工业（集团）有限责任公司 | Method for bonding rubber plate by using chloroprene rubber adhesive |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10001777A1 (en) * | 1999-02-03 | 2000-08-10 | Basf Ag | Heat activatable adhesive bonding dispersion useful for adhesive bonding of metals, wood, glass, plastics, containing polyurethane of carbodiimide structure gives adhesive bonded products of high shear strength and peeling off resistance |
| CN101824281B (en) * | 2010-02-05 | 2012-02-15 | 国营江河化工厂 | Method for bonding 5-VI material and material using nitrile-butadiene rubber as substrate |
| CN102108274B (en) * | 2011-01-27 | 2013-03-27 | 安徽安大中鼎橡胶技术开发有限公司 | Phenolic-nitrile rubber hot vulcanized adhesive and preparation method thereof |
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