CN105176467A - Preparation method of epoxy resin adhesive special for offshore wind power blades - Google Patents
Preparation method of epoxy resin adhesive special for offshore wind power blades Download PDFInfo
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- CN105176467A CN105176467A CN201510727826.2A CN201510727826A CN105176467A CN 105176467 A CN105176467 A CN 105176467A CN 201510727826 A CN201510727826 A CN 201510727826A CN 105176467 A CN105176467 A CN 105176467A
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Abstract
The invention relates to a preparation method of an epoxy resin adhesive used on offshore wind power blades and belongs to the technical field of adhesives. The preparation method comprises the steps that hydroxybutyronitrile rubber, polychlorostyrene rubber and a solvent are taken according to parts by weight and are mixed evenly, and heating is performed to dissolve the rubber; the dissolved rubber obtained through the step one is cooled, epoxy resin, diethanolamine, tetraethoxysilane, methylphenylsilane, potassium sulfide, polymethyl methacrylate and ethyl acetoacetate are sequentially added and are evenly mixed to obtain a mixture I; then gas phase silica, N, N-zinc dibutyldithiocarbamate and a plasticizer are added into the mixture I, and heating, even mixing and cooling are performed to obtain a component A; methylenedianiline, a silane coupling agent, a promoter and ethyl acetate are heated, evenly mixed and cooled to obtain a component B. The epoxy resin adhesive prepared by means of the preparation method has good weather resistance to the maritime damp and hot conditions, the salt mist condition and the like and is suitable for application in the epoxy resin based wind power blades.
Description
Technical field
The present invention relates to a kind of preparation method of epoxy resin glue, particularly relate to a kind of preparation method being applicable to the epoxy resin glue that offshore wind farm blade uses, belong to field of adhesive technology.
Background technology
Day by day serious along with world energy sources crisis, wind energy is day by day subject to national governments as a kind of clean renewable energy source and payes attention to.Global Wind Power Industry present situation includes: 1. installation scale grows continuously and fast; 2. single-machine capacity constantly expands; 3. main wind power equipment supplier concentrates on America and Europe, Asia with Japan, India and China for representative; 4., along with wind power technology is ripe, after cost declines, various countries start large-scale development offshore wind farm.China's wind-powered electricity generation present situation includes: (1) China Wind Power Generation Industry starts to step into stage of steady development; (2) external wind power generating set is still in occupation of the main status of domestic wind-power market;
Wind Energy In China aboundresources, mainly concentrates on following area: 1. southeastern coast and neighbouring island; 2. area, " three Norths " (northeast, North China, northwest); 3. local, inland wind energy enriches district; 4. wind energy on the sea enriches district.
As the important a member in wind power generation plant, blade technology becomes the bottleneck of restriction wind-power electricity generation development.Different from land, there is the salt fog of more humidity at sea in the Working environment of the Wind turbines run, in long-term operation, the life-span of blade can be had influence on.Existing thixotrope is also not suitable for marine Working environment, after life-time service, adhesive strength can be caused significantly to decline, cause the damage of wind electricity blade.
Summary of the invention
The object of the invention is: provide a kind of epoxy resin thixotrope being suitable for that offshore wind farm blade uses, technical scheme is:
A preparation method for the epoxy resin glue that offshore wind farm blade is special, comprises the steps:
1st step, by weight, get carboxylated nbr 6 ~ 12 parts, polychlorostyrene rubber 5 ~ 10 parts, solvent 30 ~ 50 parts, mix, be heated to 40 ~ 50 DEG C, make rubber solution;
2nd step, the dissolving rubber of the 1st step gained is cooled to 30 ~ 40 DEG C, add epoxy resin 30 ~ 50 parts, diethanolamine 4 ~ 8 parts, tetraethoxysilane 2 ~ 4 parts, 1 ~ 3 part, tolyl silane, potassium sulphide 2 ~ 4 parts, polymethylmethacrylate 4 ~ 12 parts, 2 ~ 4 parts, etheric acid second fat successively, mix, obtain mixture I;
3rd step, in mixture I, add aerosil 5 ~ 15 parts, 2 ~ 4 parts, N, N-dibutylamino dithiocarbonic acid zinc, 4 ~ 7 parts, softening agent again, be warming up to 35 ~ 45 DEG C, mix, let cool, as first component;
4th step, get methylene dianiline (MDA) 10 ~ 20 parts, silane coupling agent 2 ~ 5 parts, promotor 1 ~ 3 part, ethyl acetate 15 ~ 25 parts, be warming up to 35 ~ 45 DEG C, mix, let cool, as second component.
Preferably, described epoxy resin is epoxy resin E-44 or E-40.
Preferably, solvent is one or more mixtures in dimethylbenzene, butylacetate, methyl acetate, ethyl acetate.
Preferably, softening agent is one or more mixtures in phthalic ester, terephthalate, isophthalic acid ester.
Preferably, described silane coupling agent is KH-550 or KH-570.
Preferably, described promotor is DMP-30.
Beneficial effect
Epoxy resin glue provided by the invention, for the wet heat condition, salt fog condition etc. at sea, all have good weathering resistance, it is suitable for the wind electricity blade being applied to epoxy resin-matrix.
Embodiment
Embodiment 1
1st step, get carboxylated nbr 6Kg, polychlorostyrene rubber 5Kg, solvent 30Kg, mix, be heated to 40 DEG C, make rubber solution;
2nd step, the dissolving rubber of the 1st step gained is cooled to 30 DEG C, add epoxy resin 30Kg, diethanolamine 4Kg, tetraethoxysilane 2Kg, tolyl silane 1Kg, potassium sulphide 2Kg, polymethylmethacrylate 4Kg, etheric acid second fat 2Kg successively, mix, obtain mixture I;
3rd step, in mixture I, add aerosil 5Kg, N again, N-dibutylamino dithiocarbonic acid zinc 2Kg, softening agent 4Kg, be warming up to 35 DEG C, mix, let cool, as first component;
4th step, get methylene dianiline (MDA) 10Kg, silane coupling agent 2Kg, promotor 1Kg, ethyl acetate 15Kg, be warming up to 35 DEG C, mix, let cool, as second component.
Described epoxy resin is epoxy resin E-44, and solvent is dimethylbenzene, and softening agent is phthalic ester, and described silane coupling agent is KH-550, and described promotor is DMP-30.
Embodiment 2
1st step, get carboxylated nbr 12Kg, polychlorostyrene rubber 10Kg, solvent 50Kg, mix, be heated to 50 DEG C, make rubber solution;
2nd step, the dissolving rubber of the 1st step gained is cooled to 40 DEG C, add epoxy resin 50Kg, diethanolamine 8Kg, tetraethoxysilane 4Kg, tolyl silane 3Kg, potassium sulphide 4Kg, polymethylmethacrylate 12Kg, etheric acid second fat 4Kg successively, mix, obtain mixture I;
3rd step, in mixture I, add aerosil 15Kg, N again, N-dibutylamino dithiocarbonic acid zinc 4Kg, softening agent 7Kg, be warming up to 45 DEG C, mix, let cool, as first component;
4th step, get methylene dianiline (MDA) 20Kg, silane coupling agent 5Kg, promotor 3Kg, ethyl acetate 25Kg, be warming up to 45 DEG C, mix, let cool, as second component.
Described epoxy resin is epoxy resin E-44, and solvent is butylacetate, and softening agent is terephthalate, and described silane coupling agent is KH-570, and described promotor is DMP-30.
Embodiment 3
1st step, get carboxylated nbr 8Kg, polychlorostyrene rubber 8Kg, solvent 39Kg, mix, be heated to 45 DEG C, make rubber solution;
2nd step, the dissolving rubber of the 1st step gained is cooled to 35 DEG C, add epoxy resin 40Kg, diethanolamine 6Kg, tetraethoxysilane 3Kg, tolyl silane 2Kg, potassium sulphide 3Kg, polymethylmethacrylate 6Kg, etheric acid second fat 3Kg successively, mix, obtain mixture I;
3rd step, in mixture I, add aerosil 12Kg, N again, N-dibutylamino dithiocarbonic acid zinc 3Kg, softening agent 5Kg, be warming up to 40 DEG C, mix, let cool, as first component;
4th step, get methylene dianiline (MDA) 15Kg, silane coupling agent 3Kg, promotor 2Kg, ethyl acetate 20Kg, be warming up to 40 DEG C, mix, let cool, as second component.
Described epoxy resin is epoxy resin E-40, and solvent is methyl acetate, and softening agent is isophthalic acid ester, and described silane coupling agent is KH-550, and described promotor is DMP-30.
Performance test
In use, first component is mixed with the ratio of second component according to weight ratio about 3: 1, puts between epoxy-based plastic sheet material, investigate its bonding strength; In order to characterize its resistance to high wet heat condition and salt fog condition, respectively sample is placed in 60 DEG C, humidity 50% time 1000h, and 400h in the sodium chloride solution of 4% mass concentration of 30 DEG C, continue after taking out to investigate bonding strength.Contrast to be common to epoxy resin glue.Test-results is as shown in the table.
As can be seen from the table above, epoxy resin glue provided by the invention has good resistance to high Hygrothermal Properties and salt spray resistance, is better than general purpose epoxy resin glue, and it is appropriate to the use of offshore wind farm blade.
Claims (6)
1. a preparation method for the epoxy resin glue that offshore wind farm blade is special, is characterized in that, comprises the steps:
1st step, by weight, get carboxylated nbr 6 ~ 12 parts, polychlorostyrene rubber 5 ~ 10 parts, solvent 30 ~ 50 parts, mix, be heated to 40 ~ 50 DEG C, make rubber solution;
2nd step, the dissolving rubber of the 1st step gained is cooled to 30 ~ 40 DEG C, add epoxy resin 30 ~ 50 parts, diethanolamine 4 ~ 8 parts, tetraethoxysilane 2 ~ 4 parts, 1 ~ 3 part, tolyl silane, potassium sulphide 2 ~ 4 parts, polymethylmethacrylate 4 ~ 12 parts, 2 ~ 4 parts, etheric acid second fat successively, mix, obtain mixture I;
3rd step, in mixture I, add aerosil 5 ~ 15 parts, 2 ~ 4 parts, N, N-dibutylamino dithiocarbonic acid zinc, 4 ~ 7 parts, softening agent again, be warming up to 35 ~ 45 DEG C, mix, let cool, as first component;
4th step, get methylene dianiline (MDA) 10 ~ 20 parts, silane coupling agent 2 ~ 5 parts, promotor 1 ~ 3 part, ethyl acetate 15 ~ 25 parts, be warming up to 35 ~ 45 DEG C, mix, let cool, as second component.
2. the preparation method of the epoxy resin glue that offshore wind farm blade according to claim 1 is special, is characterized in that: described epoxy resin is epoxy resin E-44 or E-40.
3. the preparation method of the epoxy resin glue that offshore wind farm blade according to claim 1 is special, is characterized in that: described solvent is one or more mixtures in dimethylbenzene, butylacetate, methyl acetate, ethyl acetate.
4. the preparation method of the epoxy resin glue that offshore wind farm blade according to claim 1 is special, is characterized in that: described softening agent is one or more mixtures in phthalic ester, terephthalate, isophthalic acid ester.
5. the preparation method of the epoxy resin glue that offshore wind farm blade according to claim 1 is special, is characterized in that: described silane coupling agent is KH-550 or KH-570.
6. the preparation method of the epoxy resin glue that offshore wind farm blade according to claim 1 is special, is characterized in that: described promotor is DMP-30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510727826.2A CN105176467A (en) | 2015-10-28 | 2015-10-28 | Preparation method of epoxy resin adhesive special for offshore wind power blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510727826.2A CN105176467A (en) | 2015-10-28 | 2015-10-28 | Preparation method of epoxy resin adhesive special for offshore wind power blades |
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| Publication Number | Publication Date |
|---|---|
| CN105176467A true CN105176467A (en) | 2015-12-23 |
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|---|---|---|---|
| CN201510727826.2A Pending CN105176467A (en) | 2015-10-28 | 2015-10-28 | Preparation method of epoxy resin adhesive special for offshore wind power blades |
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- 2015-10-28 CN CN201510727826.2A patent/CN105176467A/en active Pending
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151223 |