CN102898993B - High strength epoxy pouring sealant composition and application thereof - Google Patents
High strength epoxy pouring sealant composition and application thereof Download PDFInfo
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- CN102898993B CN102898993B CN 201210334018 CN201210334018A CN102898993B CN 102898993 B CN102898993 B CN 102898993B CN 201210334018 CN201210334018 CN 201210334018 CN 201210334018 A CN201210334018 A CN 201210334018A CN 102898993 B CN102898993 B CN 102898993B
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- epoxy
- adhesive composition
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- polyurethane
- strength
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- 239000004593 Epoxy Substances 0.000 title claims abstract description 59
- 239000000203 mixture Substances 0.000 title claims abstract description 36
- 239000000565 sealant Substances 0.000 title abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 53
- 230000001070 adhesive effect Effects 0.000 claims abstract description 53
- 239000003822 epoxy resin Substances 0.000 claims abstract description 42
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 42
- 239000004814 polyurethane Substances 0.000 claims abstract description 32
- 229920002635 polyurethane Polymers 0.000 claims abstract description 32
- 239000004848 polyfunctional curative Substances 0.000 claims abstract description 23
- 238000004382 potting Methods 0.000 claims description 26
- 150000002924 oxiranes Chemical class 0.000 claims description 23
- 239000003085 diluting agent Substances 0.000 claims description 20
- 150000002148 esters Chemical class 0.000 claims description 19
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 18
- 229920000570 polyether Polymers 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 7
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 5
- 229960001124 trientine Drugs 0.000 claims description 5
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical group CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 3
- 229960004418 trolamine Drugs 0.000 claims description 3
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 claims description 2
- ADYVCZCQSVYNPQ-UHFFFAOYSA-N N=C=O.N=C=O.C=1C=CC=CC=1C(C)C1=CC=CC=C1 Chemical compound N=C=O.N=C=O.C=1C=CC=CC=1C(C)C1=CC=CC=C1 ADYVCZCQSVYNPQ-UHFFFAOYSA-N 0.000 claims description 2
- NSOXQYCFHDMMGV-UHFFFAOYSA-N Tetrakis(2-hydroxypropyl)ethylenediamine Chemical compound CC(O)CN(CC(C)O)CCN(CC(C)O)CC(C)O NSOXQYCFHDMMGV-UHFFFAOYSA-N 0.000 claims description 2
- -1 mphenylenediamine Chemical compound 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- 238000002156 mixing Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention provides a high strength epoxy pouring sealant composition which comprises, by weight, 2 to 2.5 parts of a polyurethane modified epoxy resin adhesive and 1 part of an epoxy hardener. The invention also discloses an application method of the high strength epoxy pouring sealant composition. The application method comprises the following steps: adding the epoxy hardener into the polyurethane modified epoxy resin adhesive in proportion; coating an obtained mixture on a bonding junction of objects; and carrying out curing at a temperature of 60 DEG C for 0.5 to 1 h. The high strength epoxy pouring sealant composition provided by the invention has the advantages of the simple application method, a low curing temperature and a tensile fracture strength 6 times higher than that of a common epoxy pouring sealant.
Description
Technical field
The present invention relates to tackifier, specifically a kind of high-strength epoxy potting adhesive composition and application thereof.
Background technology
Axe for fire-fighting needs the joint sealant of high strength, high tenacity that axe and helve are coupled together, and the instruments such as hammer need the joint sealant of high strength, high tenacity too.The domestic epoxy resin embedding adhesive for axe, hammer embedding has dividing of single-component, two component at present.
Single-component epoxy resin joint sealant is because its technological operation is loaded down with trivial details, and the quality guaranteed period is short, seldom uses.
The bicomponent epoxy resin joint sealant is comprised of epoxy resin adhesive and epoxy hardener, need under the high temperature of 200 ℃, solidify half hour to one hour, because the temperature difference is larger, in the process of taking out, easily crack, affect its intensity, its pull-off force is only 1000kg; And curing processing requirement is more complicated in the high temperature of 200 ℃; And epoxy hardener produces niff in the high temperature of 200 degrees centigrade, not environmental protection of operating process, harm direct labor's health.
Summary of the invention
For solving when existing epoxy resin embedding adhesive exists embedding, need hot setting to affect the problems such as axe intensity, curing process complexity, not environmental protection, the object of the present invention is to provide a kind of high-strength epoxy potting adhesive composition and application thereof.
A kind of high-strength epoxy potting adhesive composition provided by the invention is comprised of the raw material of following weight part:
Ester modified epoxy resin adhesive 2-2.5 part with polyurethane;
1 part of epoxy hardener.
Wherein, the described epoxy resin adhesive ester modified with polyurethane, the preparation method is as follows:
1) add the carbamate of 80-90 weight part in the polyether glycol of 300-400 weight part, be heated to 80-90 ℃, react 3 hours, obtain polyurethane(s);
2) epoxy resin of 1000-1300 weight part is heated to 80 ℃, adds the described polyurethane(s) 80-100 of step 1) weight part, after reacting 4 hours, be cooled to 40 ℃, add 10-40 weight part epoxide diluent, mix, obtain the epoxy resin adhesive ester modified with polyurethane.
Wherein, described polyether glycol is conventional polyether glycol, one or more in preferred, polyethers 2070, polyethers 3010, polyethers 3050 or polyethers 210.
Wherein, described carbamate is the compound that amino or amido directly are connected with the carbonyl of manthanoate, is preferably tolylene diisocyanate (TDI) or diphenyl-methyl methane diisocyanate (MDI).
Wherein, wear-resisting, cold-resistant, ageing-resistant, water-fast, oil resistant, antidetonation, stretch-proof of the performance requriements of described polyurethane(s), shearing resistance is good, stripping strength is good.
Wherein, described epoxy resin refers in molecule and contains two or more epoxide groups and the lower polymkeric substance of molecular weight.Be preferably a kind of in bisphenol A epoxide resin E-55, bisphenol A epoxide resin E-54 or bisphenol A epoxide resin E-44.
Wherein, described epoxide diluent is to contain an epoxide group in molecule, and molecular weight is lower, for regulating the low molecular compound of epoxy resin adhesive viscosity.Be preferably a kind of in epoxide diluent 512, epoxide diluent 600, epoxide diluent 622 or epoxide diluent 630.
Wherein, the preparation method of described epoxy hardener is as follows:
Add epoxide diluent 320-350 weight part in the triethylene tetramine of 160-180 weight part, control temperature at 70-80 ℃, react 3 hours, be cooled to below 60 ℃, add amine epoxy catalyzer 20-25 weight part, mix, obtain epoxy hardener.
Wherein, described amine epoxy catalyzer is preferably a kind of in quadrol, glycol ether, trolamine, mphenylenediamine, DMP-30.
Wherein, described epoxide diluent is to contain an epoxide group in molecule, and molecular weight is lower, for regulating the low molecular compound of epoxy resin adhesive viscosity.Be preferably a kind of in epoxide diluent 512, epoxide diluent 600, epoxide diluent 622 or epoxide diluent 630.
Add epoxy hardener in proportion in the epoxy resin adhesive ester modified with polyurethane, obtain high-strength epoxy potting adhesive composition of the present invention after mixing.
The present invention also provides the application of described high-strength epoxy potting adhesive composition in the object gluing, is specially: high-strength epoxy potting adhesive composition of the present invention is coated in to the adhering object place, temperature lower set time of the 0.5-1 hour of 60 ℃.
Adopt the advantage of high-strength epoxy potting adhesive composition of the present invention to be:
After at present epoxy resin embedding adhesive commonly used need to solidify half an hour to one hour under the high temperature of 200 ℃, from high temperature oven, take out, when taking-up, because the variation of temperature is larger, can crack, its pull-off force is only 1000kg.And high-strength epoxy potting adhesive composition of the present invention embedding at the temperature of 60 ℃, be 0.5-1 hour set time, both reduced energy consumption, can keep higher intensity again, its pull-off force is 6000kg, exceed 6 times than used epoxy pouring sealant pull-off force, good levelling property is arranged again, be applicable to the production of axe, hammer etc.
Embodiment
Following examples are used for the present invention is described, but are not used for limiting the scope of the invention.Preparation and the application of embodiment 1 high-strength epoxy potting adhesive composition 1 of the present invention
Prepare described high-strength epoxy potting adhesive composition 1 according to method of the present invention.
Prepare the ester modified epoxy resin adhesive of polyurethane:
1) add the polyethers 3010 after 300kg dewaters in the reactor that 90kg MDI is housed, open and stir, be warmed up to 90 ℃, react 3 hours, cooling discharging, obtain polyurethane(s).
2) add 1200kg bisphenol A epoxide resin E-54 in reactor, intensification is at 80 ℃, add step 1) gained polyurethane(s) 80kg, open and stir, after reaction 4h, be cooled to 40 ℃, add 30kg epoxide diluent 630, stirring and evenly mixing, cooling discharging, obtain the epoxy resin adhesive ester modified with polyurethane.
Prepare epoxy hardener:
Drip 350kg epoxide diluent 630 and rise to 60 ℃ to temperature in the 180kg triethylene tetramine, artificial cooling prevents excess Temperature, controls afterwards temperature 80 ℃ of reactions 3 hours, is cooled to below 60 ℃, adds trolamine 25kg, mixes, and obtains epoxy hardener.
The application of the described high-strength epoxy potting adhesive composition 1 of the present embodiment:
In the epoxy resin adhesive ester modified with polyurethane: ratio epoxy hardener=2:1(mass ratio) adds epoxy hardener in the epoxy resin adhesive ester modified with polyurethane, be coated in the bonding place of axe and handle after mixing, 0.5 hour lower set time of temperature of 60 ℃.
The axe of producing as stated above, measuring its pull-off force is 6100kg.Preparation and the application of embodiment 2 high-strength epoxy potting adhesive composition 2 of the present invention
Prepare described high-strength epoxy potting adhesive composition 2 according to method of the present invention.
Prepare the ester modified epoxy resin adhesive of polyurethane:
1) add the polyethers 210 after 400kg dewaters in the reactor that 80kg TDI is housed, open and stir, be warmed up to 80 ℃, react 3 hours, cooling discharging, obtain polyurethane(s).
2) add 1000kg bisphenol A epoxide resin E-55 in reactor, intensification is at 80 ℃, add step 1) gained polyurethane(s) 80kg, open and stir, after reaction 4h, be cooled to 40 ℃, add 10kg epoxide diluent 622, stirring and evenly mixing, cooling discharging, obtain the epoxy resin adhesive ester modified with polyurethane.
Prepare epoxy hardener:
Drip 320kg epoxide diluent 622 and rise to 60 ℃ to temperature in the 160kg triethylene tetramine, artificial cooling prevents that temperature is higher than 70 ℃, controls afterwards temperature 70 ℃ of reactions 3 hours, be cooled to below 60 ℃, add mphenylenediamine 20kg, mix, obtain epoxy hardener.
The application of the described high-strength epoxy potting adhesive composition 2 of the present embodiment:
In the epoxy resin adhesive ester modified with polyurethane: ratio epoxy hardener=2.5:1(mass ratio) adds epoxy hardener in the epoxy resin adhesive ester modified with polyurethane, be coated in hammer and handle bonding place after mixing, 1 hour lower set time of temperature of 60 ℃.
The hammer of producing as stated above, measuring its pull-off force is 6010kg.Preparation and the application of embodiment 3 high-strength epoxy potting adhesive composition 3 of the present invention
Prepare described high-strength epoxy potting adhesive composition 3 according to method of the present invention.
Prepare the ester modified epoxy resin adhesive of polyurethane:
1) add the polyethers 3050 after 350kg dewaters in the reactor that 90kg MDI is housed, open and stir, be warmed up to 90 ℃, react 3 hours, cooling discharging, obtain polyurethane(s).
2) add 1300kg bisphenol A epoxide resin E-44 in reactor, intensification is at 80 ℃, add step 1) gained polyurethane(s) 100kg, open and stir, after reacting 4 hours, be cooled to 40 ℃, add 40kg epoxide diluent 600, stirring and evenly mixing, cooling discharging, obtain the epoxy resin adhesive ester modified with polyurethane.
Prepare epoxy hardener:
Drip 330kg epoxide diluent 600 and rise to 60 ℃ to temperature in the 170kg triethylene tetramine, artificial cooling prevents excess Temperature, controls afterwards temperature 80 ℃ of reactions 3 hours, is cooled to below 60 ℃, adds DMP-3023kg, mixes, and obtains epoxy hardener.
The application of the described high-strength epoxy potting adhesive composition 3 of the present embodiment:
In the epoxy resin adhesive ester modified with polyurethane: ratio epoxy hardener=2:1(mass ratio) adds epoxy hardener in the epoxy resin adhesive ester modified with polyurethane, be coated in the bonding place of axe and handle after mixing, 1 hour lower set time of temperature of 60 ℃.
The axe of producing as stated above, measuring its pull-off force is 6000kg.
Claims (7)
1. a high-strength epoxy potting adhesive composition, its raw material by following weight part forms:
Ester modified epoxy resin adhesive 2-2.5 part with polyurethane;
1 part of epoxy hardener;
The described epoxy resin adhesive ester modified with polyurethane, its preparation method is as follows:
1) add the carbamate of 80-90 weight part in the polyether glycol of 300-400 weight part, be heated to 80-90 ℃, react 3 hours, obtain polyurethane(s);
2) epoxy resin of 1000-1300 weight part is heated to 80 ℃, adds the described polyurethane(s) 80-100 of step 1) weight part, after reacting 4 hours, be cooled to 40 ℃, add 10-40 weight part epoxide diluent, mix, obtain the epoxy resin adhesive ester modified with polyurethane;
Described epoxy hardener, its preparation method is as follows:
Add epoxide diluent 320-350 weight part in the triethylene tetramine of 160-180 weight part, control temperature at 70-80 ℃, react 3 hours, be cooled to below 60 ℃, add amine epoxy catalyzer 20-25 weight part, mix, obtain epoxy hardener;
Described carbamate is tolylene diisocyanate or diphenyl-methyl methane diisocyanate.
2. a kind of high-strength epoxy potting adhesive composition according to claim 1, is characterized in that, described polyether glycol is one or more in polyethers 2070, polyethers 3010, polyethers 3050 or polyethers 210.
3. a kind of high-strength epoxy potting adhesive composition according to claim 1, is characterized in that, described epoxy resin is a kind of in bisphenol A epoxide resin E-55, bisphenol A epoxide resin E-54 or bisphenol A epoxide resin E-44.
4. a kind of high-strength epoxy potting adhesive composition according to claim 1, is characterized in that, described amine epoxy catalyzer is a kind of in quadrol, trolamine, mphenylenediamine, DMP-30.
5. the application of the described a kind of high-strength epoxy potting adhesive composition of claim 1-4 any one in the object gluing.
6. the application of high-strength epoxy potting adhesive composition according to claim 5 in the object gluing, is characterized in that, described high-strength epoxy potting adhesive composition is coated in to the adhering object place, at the temperature of 60 ℃, solidifies.
7. the application of high-strength epoxy potting adhesive composition according to claim 6 in the object gluing is characterized in that be 0.5-1 hour set time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210334018 CN102898993B (en) | 2012-09-11 | 2012-09-11 | High strength epoxy pouring sealant composition and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210334018 CN102898993B (en) | 2012-09-11 | 2012-09-11 | High strength epoxy pouring sealant composition and application thereof |
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| CN102898993A CN102898993A (en) | 2013-01-30 |
| CN102898993B true CN102898993B (en) | 2013-12-18 |
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| CN106398613A (en) * | 2016-06-23 | 2017-02-15 | 吴迪 | A preparing method of composite toughened modified epoxy structural glue |
| CN115558115A (en) * | 2022-10-19 | 2023-01-03 | 苏州金枪新材料股份有限公司 | Epoxy resin composition, epoxy foaming adhesive and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323772A (en) * | 2008-08-05 | 2008-12-17 | 湖南神力实业有限公司 | Ultra-thin stone and aluminum honeycomb composite modified epoxy adhesive and preparation thereof |
| CN101475788A (en) * | 2009-01-15 | 2009-07-08 | 湖南神力实业有限公司 | High strength polyurethane modified epoxy construction structure glue and manufacturing method thereof |
| CN102627933A (en) * | 2012-04-13 | 2012-08-08 | 黑龙江省化工研究院有限责任公司 | Thixotrope for high-power wind turbine blade and preparation method thereof |
| JP5271640B2 (en) * | 2008-09-02 | 2013-08-21 | 本田技研工業株式会社 | Control device for electric power steering |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3036657B2 (en) * | 1992-03-27 | 2000-04-24 | 宇部興産株式会社 | Epoxy resin adhesive composition |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323772A (en) * | 2008-08-05 | 2008-12-17 | 湖南神力实业有限公司 | Ultra-thin stone and aluminum honeycomb composite modified epoxy adhesive and preparation thereof |
| JP5271640B2 (en) * | 2008-09-02 | 2013-08-21 | 本田技研工業株式会社 | Control device for electric power steering |
| CN101475788A (en) * | 2009-01-15 | 2009-07-08 | 湖南神力实业有限公司 | High strength polyurethane modified epoxy construction structure glue and manufacturing method thereof |
| CN102627933A (en) * | 2012-04-13 | 2012-08-08 | 黑龙江省化工研究院有限责任公司 | Thixotrope for high-power wind turbine blade and preparation method thereof |
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