CN109825164A - Solventless epoxy coating suit and its preparation method and application - Google Patents
Solventless epoxy coating suit and its preparation method and application Download PDFInfo
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- CN109825164A CN109825164A CN201910067755.6A CN201910067755A CN109825164A CN 109825164 A CN109825164 A CN 109825164A CN 201910067755 A CN201910067755 A CN 201910067755A CN 109825164 A CN109825164 A CN 109825164A
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- 229920006334 epoxy coating Polymers 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 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 abstract description 60
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 36
- 239000003822 epoxy resin Substances 0.000 claims abstract description 36
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 36
- 239000003085 diluting agent Substances 0.000 claims abstract description 25
- 239000011353 cycloaliphatic epoxy resin Substances 0.000 claims abstract description 23
- 239000000049 pigment Substances 0.000 claims abstract description 22
- 150000001412 amines Chemical class 0.000 claims abstract description 19
- 239000002270 dispersing agent Substances 0.000 claims abstract description 18
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims abstract description 17
- 239000013032 Hydrocarbon resin Substances 0.000 claims abstract description 16
- 229920006270 hydrocarbon resin Polymers 0.000 claims abstract description 16
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims abstract description 11
- 238000005260 corrosion Methods 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000004952 Polyamide Substances 0.000 claims description 8
- 230000003260 anti-sepsis Effects 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 229920002647 polyamide Polymers 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 7
- 239000010428 baryte Substances 0.000 claims description 7
- 229910052601 baryte Inorganic materials 0.000 claims description 7
- 239000008264 cloud Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 5
- -1 glycidyl ester Chemical class 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- AYGUCHAPOTYFRT-UHFFFAOYSA-H zinc molybdenum(4+) diphosphate Chemical compound [Zn+2].[Mo+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O AYGUCHAPOTYFRT-UHFFFAOYSA-H 0.000 claims description 4
- YSUQLAYJZDEMOT-UHFFFAOYSA-N 2-(butoxymethyl)oxirane Chemical compound CCCCOCC1CO1 YSUQLAYJZDEMOT-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-IGMARMGPSA-N Carbon-12 Chemical compound [12C] OKTJSMMVPCPJKN-IGMARMGPSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004844 aliphatic epoxy resin Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 53
- 239000011248 coating agent Substances 0.000 abstract description 51
- 238000005507 spraying Methods 0.000 abstract description 17
- 230000015572 biosynthetic process Effects 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 239000003973 paint Substances 0.000 description 60
- 239000000853 adhesive Substances 0.000 description 26
- 230000001070 adhesive effect Effects 0.000 description 26
- 229940106691 bisphenol a Drugs 0.000 description 26
- 239000002994 raw material Substances 0.000 description 21
- 238000001035 drying Methods 0.000 description 12
- 230000002829 reductive effect Effects 0.000 description 12
- 239000000126 substance Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000007423 decrease Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 231100000252 nontoxic Toxicity 0.000 description 6
- 230000003000 nontoxic effect Effects 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 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 description 5
- 125000002723 alicyclic group Chemical group 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000000505 pernicious effect Effects 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- YPIFGDQKSSMYHQ-UHFFFAOYSA-N 7,7-dimethyloctanoic acid Chemical compound CC(C)(C)CCCCCC(O)=O YPIFGDQKSSMYHQ-UHFFFAOYSA-N 0.000 description 3
- JQHFYGBZRPZIQW-UHFFFAOYSA-N [Zn].[P].[Mo] Chemical compound [Zn].[P].[Mo] JQHFYGBZRPZIQW-UHFFFAOYSA-N 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000002421 anti-septic effect Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 238000004210 cathodic protection Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 125000005456 glyceride group Chemical group 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000008601 oleoresin Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- ZYUVGYBAPZYKSA-UHFFFAOYSA-N 5-(3-hydroxybutan-2-yl)-4-methylbenzene-1,3-diol Chemical compound CC(O)C(C)C1=CC(O)=CC(O)=C1C ZYUVGYBAPZYKSA-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- HSRJKNPTNIJEKV-UHFFFAOYSA-N Guaifenesin Chemical compound COC1=CC=CC=C1OCC(O)CO HSRJKNPTNIJEKV-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- NHADDZMCASKINP-HTRCEHHLSA-N decarboxydihydrocitrinin Natural products C1=C(O)C(C)=C2[C@H](C)[C@@H](C)OCC2=C1O NHADDZMCASKINP-HTRCEHHLSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- QQWAKSKPSOFJFF-UHFFFAOYSA-N oxiran-2-ylmethyl 2,2-dimethyloctanoate Chemical compound CCCCCCC(C)(C)C(=O)OCC1CO1 QQWAKSKPSOFJFF-UHFFFAOYSA-N 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses solventless epoxy coating suits and its preparation method and application.Wherein, solventless epoxy coating suit, including the first component and the second component, first component and the second component are separately positioned in different containers, first component includes: the low-viscosity bisphenol A epoxide resin of 20~25 parts by weight, the hydrocarbon resin of 4~10 parts by weight, the cycloaliphatic epoxy resin of 20~25 parts by weight, the reactive diluent of 4~10 parts by weight, the hyper-dispersant of 0.5~1.5 parts by weight, the anti-settling anti-sag agent of 0.5~1.5 parts by weight, the low oil absorption ferric pigments and fillers of 40~50 parts by weight, the deaeration agent of the silane coupling agent of 0.5~1.5 parts by weight and 0.2~0.8 parts by weight；Second component includes: the promotor of the modified fatty amine of 50~70 parts by weight, the isophorone diamine of 20~40 parts by weight and 5~10 parts by weight.It is ultralow that the solventless epoxy coating is set with mixed viscosity of the coating, is not more than 95KU, can direct spraying construction, there is excellent and long-acting synthesis corrosion resistance.
Description
Technical field
The invention belongs to chemical fields, in particular to solventless epoxy coating suit and its preparation method and application.
Background technique
As environmental protection policy is increasingly stringenter, product that high-solid-content paint, solventless coatings are favored at market.But at present
Due to being free of solvent so generally existing viscosity is high, difficult problem of constructing to spray gun, sprays solventless epoxy coating both domestic and external
The requirement of condition, external environment such as humidity and ventilation condition etc. is stringent, or needs to add Macrodilution agent in the construction process
It could construct after reducing viscosity, solventless epoxy coating loses the meaning of environmental protection.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose solventless epoxy coating suit and its preparation method and application.The solventless epoxy coating is set at least
Have the advantage that it is nontoxic, without pernicious gas volatilization, without dodging quick-fried danger, it is highly-safe；It can be used in mixed way under normal temperature environment,
And mixed viscosity of the coating is ultralow, and without adding any diluent, conventional lance direct spraying can be used；It can be in humidity
Surface construction；It is not only easy to use, but also be atomized after coating spraying, fast drying, and the compact in paint film, the intensity that are formed are high, tough
Property it is good, adhesive force is excellent, have excellent and long-acting water resistant permeance property and resist chemical performance；The fissility of resistance to cathode is good.
The application is proposed based on following problems and discovery:
In order to solve solventless epoxy coating viscosity height, difficult problem of constructing, existing solventless epoxy coating is mainly used
Reactive diluent reduces viscosity, but reactive diluent can only be added within the 15wt% of epoxy resin, otherwise can reduce paint
Film toughness and mechanical performance.Inventors be surprised to learn that by the way that bisphenol A epoxide resin and high-end electronic glue and sealant will be chiefly used in
The cycloaliphatic epoxy resin of industry is mixed, and the viscosity of coating can be significantly reduced.
For this purpose, according to the first aspect of the invention, the invention proposes a kind of solventless epoxy coating suits.According to this
The embodiment of invention, solventless epoxy coating suit include the first component and the second component, first component and second group
It is separately positioned in different containers, in which:
First component include: the low-viscosity bisphenol A epoxide resin of 20~25 parts by weight, 4~10 parts by weight it is hydrocarbon
Resin, the cycloaliphatic epoxy resin of 20~25 parts by weight, the reactive diluent of 4~10 parts by weight, 0.5~1.5 parts by weight it is super
Dispersing agent, the anti-settling anti-sag agent of 0.5~1.5 parts by weight, the low oil absorption ferric pigments and fillers of 40~50 parts by weight, 0.5~1.5 weight
The silane coupling agent of part and the deaeration agent of 0.2~0.8 parts by weight；
Second component includes: the isophorone diamine of the modified fatty amine of 50~70 parts by weight, 20~40 parts by weight
And 5~10 parts by weight promotor.
It is set with using the solventless epoxy coating of the above embodiment of the present invention, can effectively configure to obtain non-solvent epoxy painting
Material, and in the suit, by not only can significantly drop cycloaliphatic epoxy resin and bisphenol A epoxide resin large scale blending
The viscosity of prepared paint can also improve the flexibility and adhesive force of formed paint film；In addition, anti-settling anti-sag agent can be mentioned significantly
The storage stability of high first component；Hydrocarbon resin can significantly improve the flexibility of formed paint film；Reactive diluent is not only
The viscosity of system can be significantly reduced, moreover it is possible to increase the compactness of formed paint film；Low oil absorption ferric pigments and fillers not only can be significant
Absorption of the powder to resin is reduced, viscosity of the coating is reduced, the impact resistance and anti-medium that can also improve formed paint film are seeped
Permeability energy；Hyper-dispersant can allow resin preferably to wrap up with pigment, and viscosity of the coating is effectively reduced；Silane coupling agent can be to powder
Raw material surface coating modification wraps up powder material more preferably with resin, while can generate chemical reaction in steel surface, increases
The adhesive force of paint film；And the viscosity of modified fatty amine is lower, not only the curing time of adjustable paint film, can also enhance paint film
Moisture resistance and stability；Isophorone diamine can be obviously improved coating in the wetting property of moist surface, promote paint film
Adhesive force；Promotor can accelerate the rate of drying of paint film, improve workability.Further, passing through in the present invention will be upper
Stating each raw material and being used cooperatively and further control each raw material is said ratio, can not only further decrease the painting prepared and obtained
The viscosity of material makes the viscosity of coating no more than 95KU, can also further increase the flexibility of formed paint film, impact resistance,
Adhesive force and comprehensive anticorrosive performance.Solventless epoxy coating suit has at least the following advantages as a result: nontoxic, without nocuousness
Gaseous volatilization, without dodging quick-fried danger, it is highly-safe；It can be used in mixed way under normal temperature environment, and mixed viscosity of the coating is ultralow, nothing
Any diluent need to be added, conventional lance direct spraying can be used；It can construct in moist surface；It is not only easy to use, and
And be atomized after coating spraying, fast drying, and the compact in paint film of formation, intensity height, good toughness, adhesive force are excellent, have excellent
And long-acting water resistant permeance property and resist chemical performance；The fissility of resistance to cathode is good.
In addition, solventless epoxy coating suit according to the above embodiment of the present invention can also have following additional technology
Feature:
In some embodiments of the invention, in first component, the viscosity of the low-viscosity bisphenol A epoxide resin is
No more than 10000mPas/25 DEG C, the viscosity of the cycloaliphatic epoxy resin is not more than 100mPas/25 DEG C.It is possible thereby to
Further decrease the viscosity for preparing obtained coating.
In some embodiments of the invention, the low-viscosity bisphenol A epoxide resin and the aliphatic epoxy resin
Mass ratio is 1:1.It is possible thereby to make to be formed by paint film with better flexibility and adhesive force.
In some embodiments of the invention, the reactive diluent be selected from new certain herbaceous plants with big flowers acid glycidyl ester, carbon 12 to
At least one of carbon myristyl glycidol ether and butyl glycidyl ether.
In some embodiments of the invention, the anti-settling anti-sag agent be in polyamide wax and polyethylene wax extremely
Few one kind.
In some embodiments of the invention, the low oil absorption ferric pigments and fillers are selected from molybdenum phosphate zinc, barite, cloud iron powder
At least one of with aluminium powder.
In some embodiments of the invention, the fineness of first component is no more than 80 microns.It is possible thereby into one
Step improves flatness, smoothness and color and durability of formed paint film etc..
According to the second aspect of the invention, the invention proposes a kind of sides for preparing above-mentioned solventless epoxy coating suit
Method.According to an embodiment of the invention, first component is prepared according to the following steps:
(1) low-viscosity bisphenol A epoxide resin, hydrocarbon resin, reactive diluent, the alicyclic ring of predetermined ratio are added into container
Race's epoxy resin, hyper-dispersant, silane coupling agent and low oil absorption ferric pigments and fillers, persistently stir at low speed 4 after high-speed stirred is uniform again
Hour or more；
(2) anti-settling anti-sag agent and the high speed dispersion 20~30 of predetermined ratio are added in the mixed liquor obtained to step (1)
Minute；
(3) defoaming agent of predetermined ratio is added in the mixed liquor obtained to step (2) and is uniformly dispersed；
(4) mixed liquor obtained to step (3) is successively ground, dispersed and is filtered, to obtain the first component,
Second component is prepared according to the following steps: modified fatty amine, isophorone diamine and promotor are pressed
It is filtered after mixing according to predetermined ratio, to obtain the second component.
The method according to the above embodiment of the present invention for preparing solventless epoxy coating suit, by matching above-mentioned each raw material
It closes using and further controls raw material proportioning and preparation condition, can not only further decrease and prepare the viscous of obtained coating
Degree, can also further increase flexibility, impact resistance, adhesive force and the comprehensive anticorrosive performance of formed paint film.Wherein, lead to
The viscosity for crossing coating after the solventless epoxy coating suit being prepared using the above method is mixed is ultralow, is not more than 95KU, and
The solventless epoxy coating suit being prepared has at least the following advantages: it is nontoxic, without pernicious gas volatilization, without dodging quick-fried danger,
It is highly-safe；It can be used in mixed way under normal temperature environment, and mixed viscosity of the coating is ultralow, it, can without adding any diluent
To use conventional lance direct spraying；It can construct in moist surface；It is not only easy to use, but also be atomized after coating spraying,
Fast drying, and the compact in paint film of formation, intensity height, good toughness, adhesive force are excellent, have excellent and long-acting water resistant permeance property
With resist chemical performance；The fissility of resistance to cathode is good.
In some embodiments of the invention, first component is prepared under the conditions of 60~75 DEG C of temperature
's.It prepares the viscosity of obtained coating it is possible thereby to further decrease solventless epoxy coating suit and significantly improves coating institute shape
At the comprehensive performance of paint film.
According to the third aspect of the present invention, the invention proposes a kind of solventless epoxy coatings.Reality according to the present invention
Apply example, the solventless epoxy coating by above-mentioned solventless epoxy coating be set in first component and second component mix
What conjunction obtained.Compared with existing solventless epoxy coating, the solventless epoxy coating of the above embodiment of the present invention is not only safe
Environmental protection, and viscosity is ultralow, is not more than 95KU, and without adding any diluent when use, conventional lance direct spraying can be used,
Self-crosslinkable forms a film when using at normal temperature, and can be suitably used for moist surface construction, easy to use；And it is atomized after coating spraying
Good, fast drying, and the compact in paint film of formation, intensity height, good toughness, adhesive force are excellent, permeate with excellent and long-acting water resistant
Performance and resist chemical performance, and the fissility of resistance to cathode is good；It is with a wide range of applications in industrial antisepsis field.
In some embodiments of the invention, the mass ratio of first component and second component is 5:1.Thus may be used
To further increase the service performance and antiseptic property of solventless epoxy coating.
In some embodiments of the invention, the viscosity of the solventless epoxy coating is not more than 95KU.
In some embodiments of the invention, the viscosity of the solventless epoxy coating is 80~95KU.
According to the fourth aspect of the present invention, the invention proposes above-mentioned solventless epoxy coating suit or it is above-mentioned solvent-free
Purposes of the epoxy coating in industrial antisepsis, the industrial antisepsis include ocean engineering, ship, port and pier, electric power, petrochemical industry,
Mine, steel construction and bridge anti-corrosion.It is possible thereby to effectively inhibit the corrosion of metal base, significantly improve metal base uses the longevity
Life.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Specific embodiment
The embodiment of the present invention is described below in detail.The embodiments described below is exemplary, it is intended to for explaining this
Invention, and be not considered as limiting the invention.
According to the first aspect of the invention, the invention proposes a kind of solventless epoxy coating suits.According to the present invention
Embodiment, the solventless epoxy coating suit include the first component and the second component, the first component and the second component are set respectively
It sets in different containers, in which: the first component includes: the low-viscosity bisphenol A epoxide resin of 20~25 parts by weight, 4~10 weights
Measure the hydrocarbon resin of part, the cycloaliphatic epoxy resin of 20~25 parts by weight, the reactive diluent of 4~10 parts by weight, 0.5~1.5
The hyper-dispersant of parts by weight, the anti-settling anti-sag agent of 0.5~1.5 parts by weight, 40~50 parts by weight low oil absorption ferric pigments and fillers,
The deaeration agent of the silane coupling agent of 0.5~1.5 parts by weight and 0.2~0.8 parts by weight；Second component includes: 50~70 weight
The modified fatty amine, the isophorone diamine of 20~40 parts by weight and the promotor of 5~10 parts by weight of part.
It is set with using the solventless epoxy coating of the above embodiment of the present invention, can effectively configure to obtain non-solvent epoxy painting
Material, and in the suit, by not only can significantly drop cycloaliphatic epoxy resin and bisphenol A epoxide resin large scale blending
The viscosity of prepared paint can also improve the flexibility and adhesive force of formed paint film；In addition, anti-settling anti-sag agent can be mentioned significantly
The storage stability of high first component；Hydrocarbon resin can significantly improve the flexibility of formed paint film；Reactive diluent is not only
The viscosity of system can be significantly reduced, moreover it is possible to increase the compactness of formed paint film；Low oil absorption ferric pigments and fillers not only can be significant
Absorption of the powder to resin is reduced, viscosity of the coating is reduced, the impact resistance and anti-medium that can also improve formed paint film are seeped
Permeability energy；Hyper-dispersant can allow resin preferably to wrap up with pigment, and viscosity of the coating is effectively reduced；Silane coupling agent can be to powder
Raw material surface coating modification wraps up powder material more preferably with resin, while can generate chemical reaction in steel surface, increases
The adhesive force of paint film；And the viscosity of modified fatty amine is lower, not only the curing time of adjustable paint film, can also enhance paint film
Moisture resistance and stability；Isophorone diamine can be obviously improved coating in the wetting property of moist surface, promote paint film
Adhesive force；Promotor can accelerate the rate of drying of paint film, improve workability.
Further, inventor has found through a large number of experiments: properly increasing the content of cycloaliphatic epoxy resin in the first component
The viscosity that system can be significantly reduced can make the viscous of whole system when the content of cycloaliphatic epoxy resin is 16~28wt%
Degree is preferably minimized range, and it is unobvious to continue growing the reduction of dosage system viscosity；And it is double in the first component by further controlling
The content of phenol A epoxy resin is 16~28wt%, can significantly improve preparation and obtain flexibility and paint that coating forms paint film
The adhesive force of film and matrix；Further, when the content of hydrocarbon resin in the first component is 3.2~11.2wt%, Ke Yixian
The viscosity for writing reduction system increases the wellability of paint film, increases flexibility, and finally formed paint can then be made by continuing growing dosage
Film is excessively soft, and paint film intensity is caused to decline；On this basis, by making above-mentioned raw materials and the cooperation of other raw materials in the present invention
With and further to control each raw material be said ratio, can not only further decrease the viscosity for preparing obtained coating, make to apply
The viscosity of material is not more than 95KU, can also further increase flexibility, impact resistance, adhesive force and the synthesis of formed paint film
Antiseptic property.As a result, the solventless epoxy coating suit have at least the following advantages: it is nontoxic, without pernicious gas volatilization, without dodge it is quick-fried
Danger, it is highly-safe；It can be used in mixed way under normal temperature environment, and mixed viscosity of the coating is ultralow, without adding any dilution
Conventional lance direct spraying can be used in agent；It can construct in moist surface；It is not only easy to use, but also mist after coating spraying
Change, fast drying, and the compact in paint film of formation, intensity height, good toughness, adhesive force are excellent, is seeped with excellent and long-acting water resistant
Permeability can be with resist chemical performance；The fissility of resistance to cathode is good.
According to an embodiment of the invention, in the present invention by respectively control solventless epoxy coating suit in the first component and
Second group is divided into above-mentioned raw materials composition and ratio, and the storage stability of the first component and the second component can be made not less than 1 year, and
The coating that first component and the second component are mixed to get can satisfy claimed below: be not more than 95KU, table without volatile matter, viscosity
Dry (underwater) time is not more than 4h, does solid work the time no more than for 24 hours, is not less than 10 megapascal with matrix adhesive force, flexibility is not more than
2mm, impact strength are not less than 50cm, and resistance to cathodic disbonding (1500h) is less than 8mm, salt spray resistance (3000h) and resistance to artificial seawater
(3000h) is corroded without blistering.Further, it is divided by adjusting the first component in solventless epoxy coating suit and second group
Above-mentioned raw materials composition and ratio, the viscosity 80 of the coating that can also further make the first component and the second component be mixed to get~
95KU, inventors have found that if can be further decreased when the additive amount of reactive diluent and cycloaliphatic epoxy resin is relatively high
The viscosity of the coating being finally mixed to get, if but viscosity of the coating is too low, and paint film intensity and toughness can be reduced, paint film is caused to become
It is crisp, and the viscosity for working as coating is not less than 80KU, is not only more advantageous to construction, while also having good sag resistance and storage surely
It is qualitative, thus can finally it be obtained comprehensive in the present invention by further being adjusted within the scope of above-mentioned raw materials composition and ratio
Close performance more preferably solventless coatings.
A specific embodiment according to the present invention, the content of cycloaliphatic epoxy resin can be preferably 20 in the first component
~25wt%, the content of bisphenol A epoxide resin can be preferably 20~25wt%, inventors have found that by controlling above-mentioned match
Than the 80~95KU of viscosity for the coating that the first component and the second component can be made to be mixed to get not only is more advantageous to applies as a result,
Work, and make the solventless epoxy coating being mixed to get that there is good flow and storage stability, moreover it is possible to ensuring to construct obtains
Paint film has preferable intensity, toughness and adhesive force, it is possible thereby to further increase the workability of coating and the synthesis of paint film
Performance；It is highly preferred that the mass ratio of cycloaliphatic epoxy resin and bisphenol A epoxide resin can be 1:1, inventors have found that at it
In the identical situation of its condition, when cycloaliphatic epoxy resin and when bisphenol A epoxide resin equivalent blending, it can make to be subsequently formed
Paint film has optimal flexibility and adhesive force, is matched in the present invention by controlling said ratio and can be further improved as a result,
Coating is made and forms the flexibility of paint film and the adhesive force of paint film and matrix.Another specific implementation according to the present invention
, the content of hydrocarbon resin can be preferably 4-10wt% in the first component, it is possible thereby on the basis of ensuring paint film intensity
The wellability and flexibility for further increasing paint film, improve the comprehensive performance of paint film.
Another specific embodiment according to the present invention, the viscosity of low-viscosity bisphenol A epoxide resin can not in the present invention
Greater than 10000mPas/25 DEG C, for example, can no more than 9000mPas/25 DEG C, no more than 7000mPas/25 DEG C, no
Greater than 5000mPas/25 DEG C or no more than 3000mPas/25 DEG C etc., the viscosity of cycloaliphatic epoxy resin can be not more than
100mPa·s.It, can by further controlling the viscosity of low-viscosity bisphenol A epoxide resin and cycloaliphatic epoxy resin in the present invention
To further decrease the viscosity for finally preparing obtained coating, and then can further be conducive to using conventional lance direct spraying
Construction.
The fineness of another specific embodiment according to the present invention, the first component is not more than 80 microns, such as can be little
In 75 microns, no more than 70 microns, be not more than 65 microns etc., it is possible thereby to further increase the flatness of formed paint film, light
The comprehensive performances such as slippery and color and durability.
Another specific embodiment according to the present invention, selected low-viscosity bisphenol A epoxide resin, alicyclic ring in the present invention
Race's epoxy resin and hydrocarbon resin are not particularly restricted, and those skilled in the art can select according to actual needs.
For example, low-viscosity bisphenol A epoxide resin can be for selected from the bisphenol-A liquid that shell is EPIKOTE 827 also primary resin, South Asia
At least one of 127 bisphenol A epoxide resin of NPEL and first nation YPE-127 bisphenol a liquid epoxy resin；Alicyclic epoxy tree
Rouge can be for selected from least one of good hair JEW-12, Tai Teer TTA21 and Warner ERL-4421；Hydrocarbon resin can be choosing
From at least one of Johanna Lüttge C30, Johanna Lüttge LA700, Cologne PL1000.
Another specific embodiment according to the present invention, selected reactive diluent in the present invention, anti-settling anti-sag agent,
Low oil absorption ferric pigments and fillers, hyper-dispersant and silane coupling agent are not particularly restricted, and those skilled in the art can be according to reality
Border is selected.For example, reactive diluent can be for selected from new certain herbaceous plants with big flowers acid glycidyl ester, carbon 12 to carbon myristyl contracting
Thus at least one of water glycerin ether and butyl glycidyl ether can not only reduce the viscosity of system, can also be further
The compactness for increasing paint film, is obviously improved the comprehensive performance of paint film；Anti-settling anti-sag agent can be for selected from polyamide wax and poly- second
At least one of alkene wax obtains the stability of coating it is possible thereby to significantly improve the first component and configure；Low oil absorption ferric face
Filler is selected from least one of molybdenum phosphate zinc, barite, cloud iron powder and aluminium powder, it is possible thereby to dramatically increase the anti-impact of paint film
Hitting property and anti-medium permeability；Hyper-dispersant can be for selected from hyper-dispersant Lu Borun 20000, BYK-2000 and Karst
At least one of 4200, it is possible thereby to which resin is allowed preferably to wrap up with pigment, and then the viscosity of coating is effectively reduced；Silane is even
Joining agent can be to be modified selected from least one of KH550 and DOW CORNING Z-6040 it is possible thereby to carry out surface to powder raw material,
The compatibility of powder raw material and resin raw material is improved, while chemical reaction can be generated in steel surface, increases the attachment of paint film
Power.
Another specific embodiment according to the present invention, selected promotor is not particularly restricted in the present invention, this
Field technical staff can select according to actual needs.For example, promotor can be in modified amine DMP30 and K54
At least one improve workability it is possible thereby to accelerate the rate of drying of paint film.
According to the second aspect of the invention, the invention proposes a kind of sides for preparing above-mentioned solventless epoxy coating suit
Method.According to an embodiment of the invention, the first component is prepared according to the following steps: (1) predetermined ratio being added into container
Low-viscosity bisphenol A epoxide resin, hydrocarbon resin, reactive diluent, cycloaliphatic epoxy resin, hyper-dispersant, silane coupling agent and
Low oil absorption ferric pigments and fillers persistently stir at low speed 4 hours or more again after high-speed stirred is uniform；(2) mixed liquor obtained to step (1)
The middle anti-settling anti-sag agent that predetermined ratio is added simultaneously high speed dispersion 20~30 minutes；(3) add in the mixed liquor obtained to step (2)
Enter the defoaming agent of predetermined ratio and is uniformly dispersed；(4) mixed liquor obtained to step (3) is successively ground, dispersed and is filtered,
To obtain the first component, the second component is prepared according to the following steps: by modified fatty amine, isophorone diamine and promotion
Agent is filtered after mixing according to predetermined ratio, to obtain the second component.
The method according to the above embodiment of the present invention for preparing solventless epoxy coating suit, by matching above-mentioned each raw material
It closes using and further controls raw material proportioning and preparation condition, can not only further decrease and prepare the viscous of obtained coating
Degree, can also further increase flexibility, impact resistance, adhesive force and the comprehensive anticorrosive performance of formed paint film, for example, step
Suddenly in (1), stirring at low speed the time by control can allow resin more fully to infiltrate with pigment not less than 4 hours, cladding
It is more perfect, it can sufficiently reduce viscosity and improve compact in paint film.Wherein, it is prepared by using the above method
The viscosity of coating is ultralow after solventless epoxy coating suit mixing, is not more than 95KU, and the solventless epoxy coating being prepared
Suit has at least the following advantages: it is nontoxic, without pernicious gas volatilization, without dodging quick-fried danger, it is highly-safe；It can be mixed under normal temperature environment
It closes and uses, and mixed viscosity of the coating is ultralow, and without adding any diluent, conventional lance direct spraying can be used；It can
In moist surface construction or underwater brushing；It is not only easy to use, but also be atomized after coating spraying, fast drying, and formed
Compact in paint film, intensity height, good toughness, adhesive force are excellent, have excellent and long-acting water resistant permeance property and resistance to chemical corrosion
Energy；The fissility of resistance to cathode is good.
A specific embodiment according to the present invention, the first component can be prepared under the conditions of 60~75 DEG C of temperature
It arrives.Inventors have found that preparation first group of timesharing, keep the temperature between 60~75 DEG C, for example, 60 degrees Celsius, 65 degrees Celsius or
70 degrees Celsius, to promoted coating property play the role of it is very crucial: it is possible, firstly, to allow low-viscosity bisphenol A epoxide resin, alicyclic
The strand of epoxy resin, which is sufficiently opened, unfolds, and winding is not generated, to reduce viscosity of the coating；Secondly, can allow pigments and fillers with
Silane coupling agent, epoxy resin sufficiently infiltrate, and reach the most ideal coated state of pigment and resin；Third can excite anti-settling
The activity of anti-sag agent such as polyamide wax powder, to promote the sag resistance and storage stability of pigment.Lead in the present invention as a result,
It crosses to control above-mentioned temperature condition and can further decrease solventless epoxy coating suit and prepares the obtained viscosity of coating and significant
Improve the comprehensive performance of the formed paint film of coating.
Another specific embodiment according to the present invention, can be by low-viscosity bisphenol A epoxide resin, hydrocarbon resin, activity
Diluent, cycloaliphatic epoxy resin and hyper-dispersant, silane coupling agent, low oil absorption ferric pigments and fillers are successively put into according to predetermined ratio
Scattered Kettle high-speed stirred is uniform, then persistently stirs at low speed 4 hours or more, then puts into anti-settling anti-sag agent high speed dispersion, temperature
It is kept for 60~75 DEG C, defoaming agent is put into after continuing 20~30 minutes and is uniformly dispersed, is ground using three-roller, fineness control is made to exist
100 microns hereinafter, such as 50 microns hereinafter, be then uniformly dispersed, filter filling after detection is qualified, obtain the first component.
According to the third aspect of the present invention, the invention proposes a kind of solventless epoxy coatings.Reality according to the present invention
Apply example, the solventless epoxy coating by above-mentioned solventless epoxy coating be set in the first component and the second component be mixed to get
's.Compared with existing solventless epoxy coating, the solventless epoxy coating of the above embodiment of the present invention not only safety and environmental protection, and
Viscosity is ultralow, is not more than 95KU, without adding any diluent when use, conventional lance direct spraying can be used, in room temperature
Self-crosslinkable forms a film when lower use, and can be suitably used for moist surface construction or underwater brushing, easy to use；And after coating spraying
It is atomized, fast drying, and the compact in paint film of formation, intensity height, good toughness, adhesive force are excellent, there is excellent and long-acting water resistant
Permeance property and resist chemical performance, and the fissility of resistance to cathode is good, is with a wide range of applications in industrial antisepsis field.
The mass ratio of a specific embodiment according to the present invention, the first component and the second component can be 5:1.Inventor
It was found that not only may insure the viscosity of coating not when being mixed the first component and the second component according to the mass ratio of 5:1
Greater than 95KU, surface drying (underwater) time is not more than 4h, does solid work the time no more than for 24 hours, is not less than 10 megapascal with matrix adhesive force,
Flexibility be not more than 2mm, impact strength be not less than 50cm, resistance to cathodic disbonding (1500h) be less than 8mm, salt spray resistance (3000h) and
Resistance to artificial seawater (3000h) is corroded without blistering, and the service performance and anti-corrosion of solventless epoxy coating can also be further increased
Performance.
According to the fourth aspect of the present invention, the invention proposes above-mentioned solventless epoxy coating suit or it is above-mentioned solvent-free
Purposes of the epoxy coating in industrial antisepsis, industrial antisepsis include ocean engineering, ship, port and pier, electric power, petrochemical industry, mine,
Steel construction and bridge anti-corrosion.It is possible thereby to effectively inhibit the corrosion of metal base, the service life of metal base is significantly improved.
In conclusion the coating being set with using solventless epoxy coating described in the above embodiment of the present invention is at least had
Have the advantage that (1) ecological, environmental protective, nontoxic, no pernicious gas volatilizees, no quick-fried danger of sudden strain of a muscle, highly-safe；(2) ultra-low viscosity, no
Greater than 95KU, conventional lance direct spraying can be used；(3) have excellent adhesive force (not low in moist surface and underwater brush
In 10 megapascal)；(4) paint film flexibility, impact resistance are very good；(5) excellent water vapor permeance property and resist chemical energy:
The peculiar tough and tensile coating of densification, can enduringly prevent the hazardous mediums such as outside moisture, gas, salt fog to the erosion hazard of coating；(6)
The fissility of resistance to cathode is good: matching with cathodic protection, has extraordinary cathodic protection characteristic.
The solution of the present invention is explained below in conjunction with embodiment.It will be understood to those of skill in the art that following
Embodiment is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.Particular technique or item are not specified in embodiment
Part, it described technology or conditions or is carried out according to the literature in the art according to product description.Agents useful for same or instrument
Production firm person is not specified in device, and being can be with conventional products that are commercially available.
The raw material sources of solventless epoxy coating suit are as follows:
The raw material sources of first component are as follows:
Low-viscosity bisphenol A epoxide resin: 827 epoxy resin of shell EPIKOTE
Cycloaliphatic epoxy resin: the good hair JEW-12 in Changzhou
Hydrocarbon resin: hydrocarbon oil resin Johanna Lüttge C30
Reactive diluent: glycidyl neodecanoate (four friend of Hebei)
Dispersing agent: hyper-dispersant Lu Borun 20000
Anti-settling anti-sag agent: the anti-settling anti-sag agent 6650 (this chemical conversion of nanmu) of polyamide wax
Pigments and fillers: molybdenum phosphate zinc, barite, cloud iron powder, aluminium powder
Silane coupling agent: KH550
Deaeration agent: organosilicon deaeration agent TEGAO900
The raw material sources of second component are as follows:
Modified fatty amine: figure chemical industry is stepped
Isophorone diamine: Bayer
Promotor: modified amine DMP30
Embodiment 1
1) solventless epoxy coating is set with
Solventless epoxy coating suit includes the first component and the second component, in which:
First component includes the hydrocarbon stone of the low-viscosity bisphenol A epoxide resin (EPIKOTE827) of 22 parts by weight, 5 parts by weight
The neodecanoic acid contracting of oleoresin (Lv Tege C30), the cycloaliphatic epoxy resin (the good hair JEW-12 in Changzhou) of 22 parts by weight, 5 parts by weight
Water glyceride, the hyper-dispersant Lu Borun 20000 of 1 parts by weight, 1.5 parts by weight the anti-settling anti-sag agent 6650 of polyamide wax,
Poly- phosphorus molybdenum zinc, the barite of 12 parts by weight, the cloud iron powder of 15 parts by weight, the aluminium powder of 5 parts by weight, 0.5 weight of 10.8 parts by weight
Part Silane coupling agent KH550,0.2 parts by weight organosilicon deaeration agent TEGAO900；
Second component includes: changing for the modified fatty amine of 65 parts by weight, the isophorone diamine of 30 parts by weight and 5 parts by weight
Property amine DMP30.
2) method of solventless epoxy coating suit is prepared
Prepare raw material according to above-mentioned each component and dosage.
The preparation of first component: by low-viscosity bisphenol A epoxide resin, hydrocarbon resin, reactive diluent, alicyclic epoxy tree
It is uniform that rouge and hyper-dispersant, silane coupling agent, low oil absorption ferric pigments and fillers successively put into Scattered Kettle high-speed stirred according to aforementioned proportion,
It persistently stirs at low speed again 4 hours or more, then puts into anti-settling anti-sag agent high speed dispersion, temperature is kept for 60~75 DEG C, continues 20
Defoaming agent is put into after~30 minutes to be uniformly dispersed, is ground using three-roller, makes fineness control at 80 microns hereinafter, then dispersing
Uniformly, it is filtered after detection is qualified filling.
The preparation of second component: investment modified fatty amine, after mixing, filtering fills for isophorone diamine and promotor
Dress.
3) solventless epoxy coating
By solventless epoxy coating be set in the first component and the second component according to mass ratio be 5:1 mix
It arrives.
4) solventless epoxy coating performance is evaluated
It is color and appearance, nonvolatile matter, viscosity, fineness, drying time, adhesive force to solventless epoxy coating, flexible
Property, impact strength, stability, the fissility of resistance to cathode and corrosion resistance are evaluated, technical indicator and evaluation result such as 1 institute of table
Show.
Embodiment 2
It is with the difference of embodiment 1:
First component include the low-viscosity bisphenol A epoxide resin (EPIKOTE827) of 20 parts by weight, 10 parts by weight it is hydrocarbon
Petropols (Lv Tege C30), the cycloaliphatic epoxy resin (the good hair JEW-12 in Changzhou) of 25 parts by weight, 4 parts by weight neodecanoic acid
The anti-settling anti-sag agent of polyamide wax of ethylene oxidic ester, the hyper-dispersant Lu Borun 20000 of 1.5 parts by weight, 0.5 parts by weight
6650, poly- phosphorus molybdenum zinc, the barite of 15 parts by weight, the cloud iron powder of 17 parts by weight, the aluminium powder of 6 parts by weight, 0.5 weight of 12 parts by weight
Measure the Silane coupling agent KH550 of part, the organosilicon deaeration agent TEGAO900 of 0.8 parts by weight；
Second component includes: the modified fatty amine of 50 parts by weight, the isophorone diamine of 40 parts by weight and 10 parts by weight
Modified amine DMP30.
Embodiment 3
It is with the difference of embodiment 1:
First component includes the hydrocarbon stone of the low-viscosity bisphenol A epoxide resin (EPIKOTE827) of 25 parts by weight, 4 parts by weight
The neodecanoic acid contracting of oleoresin (Lv Tege C30), the cycloaliphatic epoxy resin (the good hair JEW-12 in Changzhou) of 20 parts by weight, 10 parts by weight
Water glyceride, the hyper-dispersant Lu Borun 20000 of 0.5 parts by weight, 1.5 parts by weight the anti-settling anti-sag agent 6650 of polyamide wax,
Poly- phosphorus molybdenum zinc, the barite of 12 parts by weight, the cloud iron powder of 14 parts by weight, the aluminium powder of 4.5 parts by weight, 1.5 weight of 9.5 parts by weight
Part Silane coupling agent KH550,0.2 parts by weight organosilicon deaeration agent TEGAO900；
Second component includes: the modified fatty amine of 70 parts by weight, the isophorone diamine of 20 parts by weight and 10 parts by weight
Modified amine DMP30.
1 solventless epoxy coating Evaluation results of table
In the description of the present invention, term " first ", " second " are used for description purposes only, and should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The feature of " first ", " second " is defined as a result,
It can explicitly or implicitly include at least one of the features.In the description of the present invention, the meaning of " plurality " is at least two,
Such as two, three etc., unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in a or multiple embodiment or examples.In addition, without conflicting with each other, the technology of this field
The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel
And combination.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of solventless epoxy coating suit, which is characterized in that including the first component and the second component, first component and
Second component is separately positioned in different containers, in which:
First component include: the low-viscosity bisphenol A epoxide resin of 20~25 parts by weight, 4~10 parts by weight hydrocarbon resin,
The cycloaliphatic epoxy resin of 20~25 parts by weight, the reactive diluent of 4~10 parts by weight, 0.5~1.5 parts by weight it is ultra-dispersed
Agent, the anti-settling anti-sag agent of 0.5~1.5 parts by weight, the low oil absorption ferric pigments and fillers of 40~50 parts by weight, 0.5~1.5 parts by weight
The deaeration agent of silane coupling agent and 0.2~0.8 parts by weight；
Second component includes: the modified fatty amine of 50~70 parts by weight, the isophorone diamine of 20~40 parts by weight and 5
The promotor of~10 parts by weight.
2. solventless epoxy coating suit according to claim 1, which is characterized in that described low in first component
The viscosity of viscosity bisphenol A epoxide resin is no more than 10000mPa.s/25 DEG C, and the viscosity of the cycloaliphatic epoxy resin is not more than
100mPa.s/25 DEG C,
Optionally, the mass ratio of the low-viscosity bisphenol A epoxide resin and the aliphatic epoxy resin is 1:1.
3. solventless epoxy coating suit according to claim 1, which is characterized in that the reactive diluent is selected from new
Certain herbaceous plants with big flowers acid glycidyl ester, carbon 12 at least one of carbon myristyl glycidol ether and butyl glycidyl ether,
Optionally, the anti-settling anti-sag agent be selected from least one of polyamide wax and polyethylene wax,
Optionally, the low oil absorption ferric pigments and fillers are selected from least one of molybdenum phosphate zinc, barite, cloud iron powder and aluminium powder.
4. solventless epoxy coating suit according to claim 1-4, which is characterized in that first component
Fineness is not more than 80 microns.
5. a kind of method for preparing solventless epoxy coating suit of any of claims 1-4, which is characterized in that
First component is prepared according to the following steps:
(1) low-viscosity bisphenol A epoxide resin, hydrocarbon resin, the reactive diluent, aliphatic ring of predetermined ratio are added into container
Oxygen resin, hyper-dispersant, silane coupling agent and low oil absorption ferric pigments and fillers, persistently stir at low speed 4 hours again after high-speed stirred is uniform
More than；
(2) the anti-settling anti-sag agent of predetermined ratio and high speed dispersion 20~30 minutes are added in the mixed liquor obtained to step (1)；
(3) defoaming agent of predetermined ratio is added in the mixed liquor obtained to step (2) and is uniformly dispersed；
(4) mixed liquor obtained to step (3) is successively ground, dispersed and is filtered, to obtain the first component,
Second component is prepared according to the following steps:
Modified fatty amine, isophorone diamine and promotor are filtered after mixing according to predetermined ratio, to obtain second
Component.
6. according to the method described in claim 5, it is characterized in that, first component is under the conditions of 60~75 DEG C of temperature
It is prepared.
7. a kind of solventless epoxy coating, which is characterized in that the solventless epoxy coating is by any one of claim 1-4 institute
First component in solventless epoxy coating suit and second component stated are mixed to get.
8. solventless epoxy coating according to claim 7, which is characterized in that first component and second component
Mass ratio be 5:1.
9. solventless epoxy coating according to claim 7 or 8, which is characterized in that the solventless epoxy coating glues
Degree is not more than 95KU,
Optionally, the viscosity of the solventless epoxy coating is 80~95KU.
10. described in any one of solventless epoxy coating suit of any of claims 1-4 or claim 7-9
Purposes of the solventless epoxy coating in industrial antisepsis, the industrial antisepsis include ocean engineering, ship, port and pier, electric power,
Petrochemical industry, mine, steel construction and bridge anti-corrosion.
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Application publication date: 20190531 |