CN104194558A - High-seawater-resistant epoxy coating suitable for ocean platforms and ships as well as preparation method and application method of high-seawater-resistant epoxy coating - Google Patents
High-seawater-resistant epoxy coating suitable for ocean platforms and ships as well as preparation method and application method of high-seawater-resistant epoxy coating Download PDFInfo
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- CN104194558A CN104194558A CN201410377553.9A CN201410377553A CN104194558A CN 104194558 A CN104194558 A CN 104194558A CN 201410377553 A CN201410377553 A CN 201410377553A CN 104194558 A CN104194558 A CN 104194558A
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Abstract
The invention relates to a high-seawater-resistant epoxy coating suitable for ocean platforms and ships as well as a preparation method of the high-seawater-resistant epoxy coating. A liquid A is composed of bisphenol A liquid epoxy resin, C9 petroleum resin, an epoxystearic acid alkyl ester, a polyurethane modified high-molecular compound, a modified hydrogenated castor oil, a silicone polyether, a nonionic surfactant, a mixture of dimethyl polysiloxane and hydrophobic silica, aerosol, micaceous iron oxide gray, quartz powder, silica micropowder, titanium dioxide powder, carbon black and aluminium triphosphate. A liquid B is a phenolic aldehyde amine curing agent with an amine value of 305 to 335. When the epoxy coating is used, the liquid A and the liquid B are mixed to form a coating layer which has a good adhesive force with a steel base material and is excellent in seawater resistance, salt spray resistance and cathodic disbonding resistance, so that the anticorrosion quality of ocean steel structures is effectively improved. Thus, the dock repairing of the ocean platforms, the ships and the like due to the failure of the coating layers is reduced.
Description
Technical field
The present invention relates to a kind of high sea water resistance epoxy coating, preparation method and using method that is applicable to ocean platform, boats and ships.
Technical background
In the ocean steel construction corrosive environment in ocean salt fog, seawater as long-term in ocean platform, boats and ships etc.Traditional epoxy coating is due to sticking power, sea water resistance, salt spray resistance, resistance to cathodic disbonding poor performance, and therefore, ocean platform, boats and ships etc. each just needed depressed place to repair by 2 years, and not only maintenance cost is huge, and affects ocean platform, the normal operation of boats and ships.
Summary of the invention
The object of the invention is to avoid weak point in above-mentioned prior art and provide that a kind of sticking power is good, sea water resistance, salt spray resistance, resistance to cathodic disbonding, the high sea water resistance epoxy coating and the preparation method that are applicable to ocean platform, boats and ships of easy construction.
The ocean platform that is applicable to provided by the invention, the high sea water resistance epoxy coating of boats and ships, by A liquid and B liquid, formed, wherein A liquid is by the dihydroxyphenyl propane liquid-state epoxy resin of 0.7～0.9 part by weight, the C9 petroleum resin of 0.1～0.2 part, the alkyl epoxy stearate of 0.01～0.02 part, the polyurethane-modified macromolecular compound of 0.015～0.03 part, the modified hydrogenated Viscotrol C of 0.01～0.02 part, the polyether silicone of 0.003～0.009 part, the nonionic surface active agent of 0.01～0.03 part, the dimethyl polysiloxane of 0.01～0.02 part and water drain silica mixture, the aerosil of 0.03～0.05 part, the iron mica of 0.2～0.4 part, the silica powder of 0.2～0.4 part, the silicon powder of 0.3～0.5 part, the titanium dioxide of 0.03～0.05 part, the carbon black of 0.01～0.02 part, 0.01～0.03 aluminium triphosphate forms, B liquid is that amine value is 305～335 pnenolic aldehyde amine hardeners, during use, by 1 part of A liquid, 0.15～0.30 part of B liquid, forms.
The present invention also provides a kind of ocean platform that is applicable to, the preparation method of the high sea water resistance epoxy coating of boats and ships adds by weight the dihydroxyphenyl propane liquid-state epoxy resin of 0.7～0.9 part in stainless steel charging basket, the C9 petroleum resin of 0.1～0.2 part, the alkyl epoxy stearate of 0.01～0.02 part, the polyurethane-modified macromolecular compound of 0.015～0.03 part, the modified hydrogenated Viscotrol C of 0.01～0.02 part, the polyether silicone of 0.003～0.009 part, the nonionic surface active agent of 0.01～0.03 part, the dimethyl polysiloxane of 0.01～0.02 part and water drain silica mixture, open high speed dispersor, rotating speed is controlled to 1000～1200r/min, stir 10～15min, rotating speed is increased to 1200～1400r/min, then adds successively the aerosil of 0.03～0.05 part, the iron mica of 0.2～0.4 part, the silica powder of 0.2～0.4 part, the silicon powder of 0.3～0.5 part, the titanium dioxide of 0.03～0.05 part, the carbon black of 0.01～0.02 part, 0.01～0.03 aluminium triphosphate, keeps the rotating speed of 1400r/min to continue to disperse 15～20min to make A liquid, B liquid is that amine value is 305～335 pnenolic aldehyde amine hardeners, during use, by 1 part of A liquid, 0.25～0.35 part of B liquid, forms.
The present invention also provides a kind of using method that is applicable to the high sea water resistance epoxy coating of ocean platform, boats and ships, and 1:0.15～0.30 mixes A liquid and B liquid in proportion, and slaking, after 10 minutes, is evenly coated in and processes rear steel structure surface.
The present invention's beneficial effect compared with prior art:
1, be applicable to the high sea water resistance epoxy coating of ocean platform, boats and ships, more than this coating one-pass film-forming can reach 300 μ m, coating and steel substrate have good sticking power, excellent sea water resistance, salt spray resistance, resistance to cathodic disbonding performance, the anticorrosive quality of ocean steel construction be can effectively improve, thereby ocean platform, boats and ships etc. reduced because repair in the coating depressed place of carrying out of losing efficacy.
2. preparation method's technique is simple, lower to the requirement in production unit and place.
Embodiment
Below the raw material sources that are applicable to the high sea water resistance epoxy coating of ocean platform, boats and ships provided by the invention are illustrated:
1, bisphenol A type epoxy resin (industrial goods), product grade: G 1302
Zhang Xiumei Guo Shujing edits domestic and international coating resin kind handbook, the 359th page of Chemical Industry Press.
Purposes: be applicable to the production of epoxy solvent free paint, terrace paint, corrosion-resistant epoxy paint and sizing agent.
Factory: Japanese San He chemical company
2, C
9petroleum resin (industrial goods), product grade: PR
1-100
Zhang Xiumei Guo Shujing edits domestic and international coating resin kind handbook, the 952nd page of Chemical Industry Press.
Purposes: be applicable to make various coating, can be for improving shock-resistance, alkali resistance, water tolerance, the temperature tolerance of oil varnish.
Factory: Hebei Yi Man resin company limited
3, alkyl epoxy stearate (industrial goods), product grade: EDENOL B 35
Qian Fenglin edits domestic and international coatings additive(s) kind handbook, the 726th page of Chemical Industry Press.
Properties and applications: can, for all kinds of SOLVENTS type coating and plastic prod, improve the stability of product to light and heat.Also there is the levelling that promotes epoxy-based lacquers, reduce the function of loss of gloss, yellowing.
Factory: Henkel Corp. (Henkel)
4, polyurethane-modified macromolecular compound (industrial goods), product grade: EFKA-LP 4010
Qian Fenglin edits domestic and international coatings additive(s) kind handbook, the 707th page of Chemical Industry Press.
Performance and purposes: this product is the macromolecule dispersing agent of mineral dye and carbon black.Be applicable to act on all solvent based coatings with General Decentralized, by high-grade industrial coating to common decorative paint.It can shorten milling time, prevents loose colour and grows dim, and increases gloss and pigmenting power.
Factory: Dutch EFKA company (EFKA).
5, modified hydrogenated Viscotrol C (industrial goods), product grade: RILANIT
rhT EXTRA
Qian Fenglin edits domestic and international coatings additive(s) kind handbook, the 815th page of Chemical Industry Press.
Properties and applications: be applicable to all kinds of SOLVENTS type, no-solvent type coating system, can produce very high thixotropy.
Factory: Henkel Corp. (Henkel).
6, polyether silicone (industrial goods), product grade: BORCHIGOL LAC 80
Qian Fenglin edits domestic and international coatings additive(s) kind handbook, the 598th page of Chemical Industry Press.
Performance: there is the shrinkage cavity of preventing, improve coating surface smoothness, increase sticking power and scratch resistant effect.
Purposes: can be used for all solvent based coating systems.
Factory: Beyer Co., Ltd (Bayer)
7, nonionic surface active agent (industrial goods), product grade: Wet ZFS 453
Qian Fenglin edits domestic and international coatings additive(s) kind handbook, the 448th page of Chemical Industry Press.
Performance: can prevent that solvent based coating from producing shrinkage cavity and improving the wetting of low-yield surface.
Purposes: the screen printing ink that heat resisting coating, printing-ink, polyolefine or other plastics that to be applicable to industrial coating, organosilicon-vibrin be base-material are used.
Factory: Di Gao chemical company (Tego)
8, dimethyl polysiloxane and water drain silica mixture (industrial goods), product grade: Foamex N
Qian Fenglin edits domestic and international coatings additive(s) kind handbook, the 156th page of Chemical Industry Press.
Performance and purposes: Foamex N is applicable to high viscosity coating as epoxide terrace paint, protective system, solvent-borne type gravure printing ink, ultraviolet cured colored paint and finish paint.
Factory: Di Gao chemical company (Tego)
9, aerosil (industrial goods), product grade: CT-1016
Qian Fenglin edits domestic and international coatings additive(s) kind handbook, the 240th page of Chemical Industry Press.
Performance and purposes: this product can be used for all kinds of solvent based coatings, can give system mobility, control rheological property, the sagging that prevents from constructing, splash, prevent pigment precipitation, also can be used for delustring.
Factory: Cabot Co.,Ltd
10, micaceous iron oxide gray (industrial goods), Fanchang County remy hair pigment company limited
11, silica powder (industrial goods), Shijiazhuang Chang Li mineral products company limited
12, silicon powder (industrial goods), Nanjing Hua Hao quartz ware company limited
13, titanium dioxide (industrial goods), Hebei Mai Sen titanium dioxide company limited
14, carbon black (industrial goods), Anyang Tian Shuo novel material company limited
15, aluminium triphosphate (industrial goods), Xinyue City BOCO impregnating material company limited
16, pnenolic aldehyde amine hardener (industrial goods), product grade: Aradur 3460
Zhang Xiumei Guo Shujing edits domestic and international coating resin kind handbook, the 482nd page of Chemical Industry Press.
Below in conjunction with following examples, the present invention is introduced further.
Embodiment 1
Be applicable to the preparation method of the high sea water resistance epoxy coating of ocean platform, boats and ships.The dihydroxyphenyl propane liquid-state epoxy resin that adds by weight 0.7 part in stainless steel charging basket, the C9 petroleum resin of 0.2 part, the alkyl epoxy stearate of 0.02 part, the polyurethane-modified macromolecular compound of 0.02 part, the modified hydrogenated Viscotrol C of 0.01 part, the polyether silicone of 0.005 part, the nonionic surface active agent of 0.02 part, the dimethyl polysiloxane of 0.01～0.02 part and water drain silica mixture, open high speed dispersor, rotating speed is controlled to 1000r/min, stir 15min, rotating speed is increased to 1400r/min, the aerosil that adds successively 0.05 part, the iron mica of 0.4 part, the silica powder of 0.4 part, the silicon powder of 0.5 part, the titanium dioxide of 0.05 part, the carbon black of 0.01 part, 0.03 aluminium triphosphate.Keep the rotating speed of 1400r/min to continue to disperse 15min to make A liquid; B liquid is that amine value is 305～335 pnenolic aldehyde amine hardeners, and during use, the A liquid of 1 weight part and the B liquid of 0.17 weight part are mixed and makes the high sea water resistance epoxy coating that is applicable to ocean platform, boats and ships.
Embodiment 2
Be applicable to the preparation method of the high sea water resistance epoxy coating of ocean platform, boats and ships.The dihydroxyphenyl propane liquid-state epoxy resin that adds by weight 0.8 part in stainless steel charging basket, the C9 petroleum resin of 0.1 part, the alkyl epoxy stearate of 0.02 part, the polyurethane-modified macromolecular compound of 0.015 part, the modified hydrogenated Viscotrol C of 0.015 part, the polyether silicone of 0.007 part, the nonionic surface active agent of 0.02 part, the dimethyl polysiloxane of 0.01 part and water drain silica mixture, open high speed dispersor, rotating speed is controlled to 1200r/min, stir 10min, rotating speed is increased to 1300r/min, the aerosil that adds successively 0.04 part, the iron mica of 0.3 part, the silica powder of 0.3 part, the silicon powder of 0.4 part, the titanium dioxide of 0.04 part, the carbon black of 0.01 part, 0.02 aluminium triphosphate.Keep the rotating speed of 1300r/min to continue to disperse 20min to make A liquid; B liquid is that amine value is 305～335 pnenolic aldehyde amine hardeners, and during use, the A liquid of 1 weight part and the B liquid of 0.24 weight part are mixed and makes the high sea water resistance epoxy coating that is applicable to ocean platform, boats and ships.
Embodiment 3
Be applicable to the preparation method of the high sea water resistance epoxy coating of ocean platform, boats and ships.The dihydroxyphenyl propane liquid-state epoxy resin that adds by weight 0.9 part in stainless steel charging basket, the C9 petroleum resin of 0.1 part, the alkyl epoxy stearate of 0.01 part, the polyurethane-modified macromolecular compound of 0.03 part, the modified hydrogenated Viscotrol C of 0.01 part, the polyether silicone of 0.003 part, the nonionic surface active agent of 0.01 part, the dimethyl polysiloxane of 0.02 part and water drain silica mixture, open high speed dispersor, rotating speed is controlled to 1100r/min, stir 15min, rotating speed is increased to 1300r/min, the aerosil that adds successively 0.03 part, the iron mica of 0.2 part, the silica powder of 0.2 part, the silicon powder of 0.3 part, the titanium dioxide of 0.03 part, the carbon black of 0.01 part, 0.02 aluminium triphosphate.Keep the rotating speed of 1300r/min to continue to disperse 15min to make A liquid; B liquid is that amine value is 305～335 pnenolic aldehyde amine hardeners, and during use, the A liquid of 1 weight part and the B liquid of 0.28 weight part are mixed and makes the high sea water resistance epoxy coating that is applicable to ocean platform, boats and ships.
Embodiment 4
Be applicable to the preparation method of the high sea water resistance epoxy coating of ocean platform, boats and ships.The dihydroxyphenyl propane liquid-state epoxy resin that adds by weight 0.9 part in stainless steel charging basket, the C9 petroleum resin of 0.2 part, the alkyl epoxy stearate of 0.02 part, the polyurethane-modified macromolecular compound of 0.01 part, the modified hydrogenated Viscotrol C of 0.02 part, the polyether silicone of 0.009 part, the nonionic surface active agent of 0.03 part, the dimethyl polysiloxane of 0.02 part and water drain silica mixture, open high speed dispersor, rotating speed is controlled to 1200r/min, stir 12min, rotating speed is increased to 1400r/min, the aerosil that adds successively 0.05 part, the iron mica of 0.4 part, the silica powder of 0.4 part, the silicon powder of 0.5 part, the titanium dioxide of 0.05 part, the carbon black of 0.02 part, 0.03 aluminium triphosphate.Keep the rotating speed of 1400r/min to continue to disperse 17min to make A liquid; B liquid is that amine value is 305～335 pnenolic aldehyde amine hardeners, and during use, the A liquid of 1 weight part and the B liquid of 0.2 weight part are mixed and makes the high sea water resistance epoxy coating that is applicable to ocean platform, boats and ships.
Embodiment 5
Be applicable to the preparation method of the high sea water resistance epoxy coating of ocean platform, boats and ships.The dihydroxyphenyl propane liquid-state epoxy resin that adds by weight 0.8 part in stainless steel charging basket, the C9 petroleum resin of 0.2 part, the alkyl epoxy stearate of 0.02 part, the polyurethane-modified macromolecular compound of 0.03 part, the modified hydrogenated Viscotrol C of 0.015 part, the polyether silicone of 0.003 part, the nonionic surface active agent of 0.01 part, the dimethyl polysiloxane of 0.01 part and water drain silica mixture, open high speed dispersor, rotating speed is controlled to 1200r/min, stir 10min, rotating speed is increased to 1300r/min, the aerosil that adds successively 0.05 part, the iron mica of 0.4 part, the silica powder of 0.3 part, the silicon powder of 0.4 part, the titanium dioxide of 0.04 part, the carbon black of 0.015 part, 0.03 aluminium triphosphate.Keep the rotating speed of 1300r/min to continue to disperse 20min to make A liquid; B liquid is that amine value is 305～335 pnenolic aldehyde amine hardeners, and during use, the A liquid of 1 weight part and the B liquid of 0.21 weight part are mixed and makes the high sea water resistance epoxy coating that is applicable to ocean platform, boats and ships.
Effect:
The high sea water resistance epoxy coating coating performance that is applicable to ocean platform, boats and ships of preparing according to above 5 embodiment all can reach table 1 test result.
Table 1 the performance test results
| Sequence number | Test item | Test result | Testing method |
| 1. | Sticking power (method of drawing a circle, level) | 1 | GB/T1732 |
| 2. | Drawing sticking power | 19MPa | ISO4624 |
| 3. | Snappiness (mm) | 1 | GB/T1724 |
| 4. | Shock resistance (cm) | 50 | GB/T1732 |
| 5. | Salt fog (4200h) | Paint film is non-foaming, do not come off | ISO7253 |
| 6. | Sea water immersion (40 ℃, 180d) | Coating is intact | ISO2812-2 |
| 7. | Cathodic disbonding (1.05V, 23 ℃, 180d) | 8.3mm | ISO15711 |
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (3)
1. one kind is applicable to ocean platform, the high sea water resistance epoxy coating of boats and ships, it is characterized in that, by A liquid and B liquid, formed, wherein A liquid is by the dihydroxyphenyl propane liquid-state epoxy resin of 0.7～0.9 part by weight, the C9 petroleum resin of 0.1～0.2 part, the alkyl epoxy stearate of 0.01～0.02 part, the polyurethane-modified macromolecular compound of 0.015～0.03 part, the modified hydrogenated Viscotrol C of 0.01～0.02 part, the polyether silicone of 0.003～0.009 part, the nonionic surface active agent of 0.01～0.03 part, the dimethyl polysiloxane of 0.01～0.02 part and water drain silica mixture, the aerosil of 0.03～0.05 part, the iron mica of 0.2～0.4 part, the silica powder of 0.2～0.4 part, the silicon powder of 0.3～0.5 part, the titanium dioxide of 0.03～0.05 part, the carbon black of 0.01～0.02 part, 0.01～0.03 aluminium triphosphate forms, B liquid is that amine value is 305～335 pnenolic aldehyde amine hardeners, during use, by 1 part of A liquid, 0.25～0.35 part of B liquid, forms.
2. the ocean platform that is applicable to according to claim 1, the preparation method of the high sea water resistance epoxy coating of boats and ships, is characterized in that, adds by weight the dihydroxyphenyl propane liquid-state epoxy resin of 0.7～0.9 part in stainless steel charging basket, the C9 petroleum resin of 0.1～0.2 part, the alkyl epoxy stearate of 0.01～0.02 part, the polyurethane-modified macromolecular compound of 0.015～0.03 part, the modified hydrogenated Viscotrol C of 0.01～0.02 part, the polyether silicone of 0.003～0.009 part, the nonionic surface active agent of 0.01～0.03 part, the dimethyl polysiloxane of 0.01～0.02 part and water drain silica mixture, open high speed dispersor, rotating speed is controlled to 1000～1200r/min, stir 10～15min, rotating speed is increased to 1200～1400r/min, then adds successively the aerosil of 0.03～0.05 part, the iron mica of 0.2～0.4 part, the silica powder of 0.2～0.4 part, the silicon powder of 0.3～0.5 part, the titanium dioxide of 0.03～0.05 part, the carbon black of 0.01～0.02 part, 0.01～0.03 aluminium triphosphate, keeps the rotating speed of 1400r/min to continue to disperse 15～20min to make A liquid, B liquid is that amine value is 305～335 pnenolic aldehyde amine hardeners, during use, by 1 part of A liquid, 0.25～0.35 part of B liquid, forms.
3. a using method that is applicable to the high sea water resistance epoxy coating of ocean platform, boats and ships claimed in claim 1, it is characterized in that, 1:0.15～0.30 mixes A liquid and B liquid in proportion, and slaking, after 10 minutes, is evenly coated in and processes rear steel structure surface.
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| CN113861386A (en) * | 2021-11-25 | 2021-12-31 | 浙江交工高等级公路养护有限公司 | Curing agent of seawater-resistant epoxy coating, preparation method of curing agent and seawater-resistant epoxy coating |
| CN113861386B (en) * | 2021-11-25 | 2024-01-19 | 浙江交工高等级公路养护有限公司 | Curing agent of seawater-resistant epoxy paint, preparation method of curing agent and seawater-resistant epoxy paint |
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Application publication date: 20141210 |