CN101020799A - Heavy duty coating capable of curing on wet surface - Google Patents
Heavy duty coating capable of curing on wet surface Download PDFInfo
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- CN101020799A CN101020799A CN 200710027190 CN200710027190A CN101020799A CN 101020799 A CN101020799 A CN 101020799A CN 200710027190 CN200710027190 CN 200710027190 CN 200710027190 A CN200710027190 A CN 200710027190A CN 101020799 A CN101020799 A CN 101020799A
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Abstract
The heavy duty coating capable of curing on wet surface consists of two components, the component I including epoxy resin, active filler, thickener and stuffing; and the component II including modified amine curing agent and phenolic imine curing agent. During use, these two components are mixed, and the coating can attach firmly onto the wet surface of steel and concrete and cure in water to form film with excellent physical and mechanical performance and excellent anticorrosive performance.
Description
Technical field
The present invention relates to a kind of formulation for coating material and production technology of using at moist surface.
Background technology
Port and pier, marine Longspan Bridge, marine oil and marine structures such as Sweet natural gas drilling and producing platform, large-scale offshore mooring facility often are exposed under this abominable corrosive environment in ocean, and it is taked anticorrosive measure, seem particularly important.Paint spraying is the effective anticorrosive measure that generally adopts, and epoxy resin coating develops very fast owing to have excellent viscosifying power and mechanical property.But because the influence that splashed by tidewater fluctuation and wave, tidal range district and wave spatter the steel construction in district or the surface of concrete structure often is in dampness under the ocean environment condition, can not reach complete drying, general general epoxy coating is difficult to effectively to apply under this condition.Up to now, also there is not wetted surface to apply performance and the comparatively product appearance of good stable of preservative effect.Therefore, must develop and be suitable for wave and spatter district and tidal range district and even the anticorrosion paint special that applies under water, to satisfy harbour and oceanographic engineering steel construction coating site operation, the needs that recoat and coating are repaired.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of heavy duty coating capable of curing on wet surface, can be in the concrete and the steel construction surface applications of humidity, can be in steel and concrete surface firm attachment moist and band water.
The technical scheme that realizes the object of the invention is: a kind of heavy duty coating capable of curing on wet surface, and it is made up of component I and component I I, and wherein, component I comprises Resins, epoxy, active filler, thickening material and physique filler at least; Component I I comprises modified amine curing agent and phenolic aldehyde imines solidifying agent at least.Calculate by weight, component I comprises: 100 parts of Resins, epoxy, 10～15 parts of active fillers, 1～3 part of thickening material, 10～50 parts of physique fillers, 0～0.8 part of anti-sedimentation agent, 0～1 part of defoamer, 0～1 part of dispersion agent, make by dispersion grinding; Component I I comprises: 10～40 parts of modified amine curing agents, 5～15 parts in phenolic aldehyde imines solidifying agent, 0～3 part of coupling agent, by being mixed and made into; The weight proportion 4～6: 1 of component I and component I I.
The present invention can be in steel and concrete surface firm attachment moist and band water, apply initial stage coating and stand the impact of tidewater and wave before uncured and unlikely molten diffusing absciss layer, and can in water, solidify, final formation has filming of excellent physical mechanical property and Corrosion Protection, and be close in the cohesive force of the cohesive strength of moist and band water steel surface and concrete surface and dried noodle.
Embodiment
The present invention is a kind of heavy duty coating capable of curing on wet surface, it is made up of component I and component I I, wherein, component I is highly filled main lacquer, wherein be mixed with suitable thickening material (as aerosil), anti-sedimentation agent (as the modest 923s of moral), defoamer (can adopt polysiloxane, as HX-2000), dispersion agent (can adopt lower molecular weight unsaturated, saturated poly carboxylic acid amine salt, as HX-4010) and rust-preventive agent, make it to have good not flow, not segregability and Corrosion Protection, also added the filler that water is had shielding effect, for example red iron oxide is adopted in active filler, the physique filler adopts silica powder, helps reducing the influence of the preceding water of paint solidification to coating component stripping, the water tolerance behind the raising paint solidification.Component I I is a mixed curing agent, and main component is a modified amine, comprises modified amine curing agent and phenolic aldehyde imines solidifying agent at least.Component I and component I I are by after 4～6: 1 the mixed, the crosslinking curing effect can take place rapidly, and have certain wetting ability, make coating can be attached to wet surface, and can stand the shock action of the dipping of seawater and tide and molten loosing can not taken place, keep the integrity of filming.Also can add silane coupling agent among the component I I, the active group of its molecule one end and the sticking inorganics surface bonding of quilt, and the active group of the molecule the other end can combine with epoxy resin-matrix in the binding agent, so just between binding agent and adherend, play so-called " bridge formation " effect, helped improving cohesive force.
Below in conjunction with embodiment the present invention is further described in detail, but is not limited thereto specific examples.Proportioning among the embodiment is calculated by weight.
Embodiment 1
Prescription is shown in Table 1.1.
The used component of table 1.1 heavy duty coating capable of curing on wet surface
| Component | Title material | Parts by weight |
| I | Low molecular weight liquid Resins, epoxy | 100 parts |
| Active filler | 15 parts | |
| Thickening material | 3 parts | |
| Anti-sedimentation agent | 0.8 part | |
| The physique filler | 40 parts | |
| Defoamer | 0.1 part | |
| Dispersion agent | 0.1 part | |
| II | The cashew nut modified amine | 24 parts |
| The phenolic aldehyde imines | 7 parts | |
| Silane coupling agent | 0.8 part | |
| Weight proportion | I∶II | 5∶1 |
Main mill base liquid is to carry out dispersed with stirring with JB-180-D type machine,massing, is ground to desired fineness with SG-65 type three-roll grinder, filters out the material package dress.
Test and result
The used test piece of test of measuring coating and steel cohesive force is the steel test piece of 70 * 150 * 3mm.Before the test, test piece behind the cleaning-drying, is used sand papering through acid pickling and rust removing again, and acetone is painted after wiping grease.
The concrete sample of measuring coating and concrete binding power is 150 * 150 * 150mm test specimen of strength grade C60, and maintenance was used after 60 days, removed the surface and oil contaminant and the mud of swimming before the coating.
Get among the embodiment 1 coating component I and component I I and mix after 10 minutes and begin smear, smear is divided into following several:
1, dry-coated test piece surface drying;
2, wetly be coated with test piece and from water, take out, erase the free water on test piece surface with wet towel and paint immediately;
3, be with water to be coated with test piece and from water, take out, paint immediately.
The coating test specimen is measured the tension cohesive force with ELCOMETER106 type cohesive force determinator after maintenance in 14 days.Its method is: glue on coating test specimen surface with high-strength fast hard binding agent in advance and put disc aluminium alloy drawing nail, with the cohesive force determinator disc drawing nail is drawn back after 24 hours, directly read and draw the cohesive force value.Test is one group with 3 test specimens, and every test specimen is measured 3 measuring points, as test-results, the results are shown in Table 2 with the mean value of 9 measuring point datas
The bonding strength test result of table 2 heavy duty coating capable of curing on wet surface and steel
| Apply and curing condition | Cohesive strength (MPa) | Draw back state |
| Maintenance is 14 days in the dry-coated air | 7.0 | Disconnected coating |
| Wet be coated with in the air maintenance 14 days | 6.3 | Disconnected coating |
| Band water was coated with in the air maintenance 14 days | 6.1 | Disconnected coating |
| Band water is coated with and promptly immerses 3% salt solution 24 hours and took out in the air maintenance 14 days | 3.2 | The disconnected coating of most measuring points, minority measuring point partial coating is the end of from |
As can be seen from Table 2, moisture curing coating is close in the cohesive force of the cohesive strength on moist and band water steel surface and dried noodle, is coated with than dried noodle and reduces by 10%～15% approximately.Be coated with at the band water surface and promptly immerse 3% salt solution after 24 hours in the air under 14 days the condition of maintenance,, but still can reach 3.2MPa though the viscous force of coating and steel has bigger reduction than dried noodle cohesive force.In addition, from the tension fracture situation of test coating, the coating of various application conditions mainly ruptures in the middle of coating, seldom disconnects (end of from) from coating and steel interface.
Table 3 heavy duty coating capable of curing on wet surface and concrete bonding strength test result
| Apply and curing condition | Cohesive strength (MPa) | The disconnection situation |
| Maintenance is 14 days in the dry-coated air | 3.4 | Draw back the concrete surface mortar |
| Wet be coated with in the air maintenance 14 days | 3.0 | Draw back the concrete surface mortar |
| Band water was coated with in the air maintenance 14 days | 2.9 | Draw back the concrete surface mortar |
| Band water is coated with and promptly immerses 3% salt solution 24 hours and took out in the air maintenance 14 days | 2.5 | Draw back the part concrete mortar, part is drawn back from coating and concrete interface |
As can be seen from Table 3, coating material solidified the applying at concrete surface moist and band water of wetted surface all has good adhesive property, and it is close that its cohesive strength and dried noodle are coated with, and all the concrete surface mortar drawn back, and its tension cohesive strength is higher than 2.85MPa.Be coated with at the band water surface and promptly immerse 3% salt solution after 24 hours in the air under 14 days the condition of maintenance, coating and concrete tension cohesive strength still can reach 2.5MPa.
Embodiment 2
Prescription is pressed shown in the table 1.2.
The used component of table 1.2 heavy duty coating capable of curing on wet surface
| Component | Title material | Parts by weight |
| I | Low molecular weight liquid Resins, epoxy | 100 parts |
| Active filler | 12 parts | |
| Thickening material | 1.5 part | |
| Anti-sedimentation agent | 0.4 part | |
| The physique filler | 30 parts | |
| Defoamer | 0.5 part | |
| Dispersion agent | 0.5 part | |
| II | The cashew nut modified amine | 10 parts |
| The phenolic aldehyde imines | 5 parts | |
| Silane coupling agent | 0 part | |
| Weight proportion | I∶II | 6∶1 |
The preparation method is with embodiment 1.
Embodiment 3
Prescription is pressed shown in the table 1.3.
The used component of table 1.3 heavy duty coating capable of curing on wet surface
| Component | Title material | Parts by weight |
| I | Low molecular weight liquid Resins, epoxy | 100 parts |
| Active filler | 10 parts | |
| Thickening material | 1 part | |
| Anti-sedimentation agent | 0 part | |
| The physique filler | 50 parts | |
| Defoamer | 0 part | |
| Dispersion agent | 0 part | |
| II | The cashew nut modified amine | 40 parts |
| The phenolic aldehyde imines | 15 parts | |
| Silane coupling agent | 3 parts | |
| Weight proportion | I∶II | 4∶1 |
The preparation method is with embodiment 1.
Claims (10)
1, a kind of heavy duty coating capable of curing on wet surface is characterized in that being made up of component I and component I I, and wherein, component I comprises Resins, epoxy, active filler, thickening material and physique filler at least; Component I I comprises modified amine curing agent and phenolic aldehyde imines solidifying agent at least.
2, heavy duty coating capable of curing on wet surface as claimed in claim 1, it is characterized in that: calculate by weight, component I comprises: 100 parts of Resins, epoxy, 10～15 parts of active fillers, 1～3 part of thickening material, 10～50 parts of physique fillers, 0～0.8 part of anti-sedimentation agent, 0～1 part of defoamer, 0～1 part of dispersion agent; Component I I comprises: 10～40 parts of modified amine curing agents, 5～15 parts in phenolic aldehyde imines solidifying agent, 0～3 part of coupling agent; The weight proportion 4～6: 1 of component I and component I I.
3, heavy duty coating capable of curing on wet surface as claimed in claim 1 or 2 is characterized in that: described Resins, epoxy is low molecular weight liquid epoxy.
4, heavy duty coating capable of curing on wet surface as claimed in claim 3 is characterized in that: described low molecular weight liquid epoxy is the bisphenol A-type low molecular weight liquid epoxy.
5, heavy duty coating capable of curing on wet surface as claimed in claim 1 or 2 is characterized in that: described active filler is a red iron oxide.
6, heavy duty coating capable of curing on wet surface as claimed in claim 1 or 2 is characterized in that: described thickening material is an aerosil.
7, heavy duty coating capable of curing on wet surface as claimed in claim 1 or 2 is characterized in that: described anti-sedimentation agent is the modest 923s of moral.
8, heavy duty coating capable of curing on wet surface as claimed in claim 1 or 2 is characterized in that: described physique filler is a silica powder.
9, heavy duty coating capable of curing on wet surface as claimed in claim 1 or 2 is characterized in that: described modified amine curing agent is the modified by cardanol amine hardener.
10, heavy duty coating capable of curing on wet surface as claimed in claim 1 or 2 is characterized in that: described coupling agent is a silane coupling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100271906A CN100513497C (en) | 2007-03-16 | 2007-03-16 | Heavy duty coating capable of curing on wet surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100271906A CN100513497C (en) | 2007-03-16 | 2007-03-16 | Heavy duty coating capable of curing on wet surface |
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| Publication Number | Publication Date |
|---|---|
| CN101020799A true CN101020799A (en) | 2007-08-22 |
| CN100513497C CN100513497C (en) | 2009-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100271906A Expired - Fee Related CN100513497C (en) | 2007-03-16 | 2007-03-16 | Heavy duty coating capable of curing on wet surface |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533060A (en) * | 2011-12-28 | 2012-07-04 | 江苏大中制漆有限公司 | Solvent-free type fiber reinforced epoxy paint and preparation method thereof |
| CN105602313A (en) * | 2016-02-23 | 2016-05-25 | 和县科嘉阀门铸造有限公司 | Outer layer protecting coating for manufacturing pipe injector valve |
| CN108487330A (en) * | 2018-02-13 | 2018-09-04 | 石狮华宝新材料工程有限公司 | Can underwater construction or submersible nano anti-corrosive, impervious layer and construction method |
| CN109251626A (en) * | 2018-08-16 | 2019-01-22 | 广骏新材料科技有限公司 | A kind of high-strength water-based epoxy waterproof coating and preparation method thereof |
-
2007
- 2007-03-16 CN CNB2007100271906A patent/CN100513497C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533060A (en) * | 2011-12-28 | 2012-07-04 | 江苏大中制漆有限公司 | Solvent-free type fiber reinforced epoxy paint and preparation method thereof |
| CN102533060B (en) * | 2011-12-28 | 2014-05-07 | 江苏大中制漆有限公司 | Solvent-free type fiber reinforced epoxy paint and preparation method thereof |
| CN105602313A (en) * | 2016-02-23 | 2016-05-25 | 和县科嘉阀门铸造有限公司 | Outer layer protecting coating for manufacturing pipe injector valve |
| CN108487330A (en) * | 2018-02-13 | 2018-09-04 | 石狮华宝新材料工程有限公司 | Can underwater construction or submersible nano anti-corrosive, impervious layer and construction method |
| CN109251626A (en) * | 2018-08-16 | 2019-01-22 | 广骏新材料科技有限公司 | A kind of high-strength water-based epoxy waterproof coating and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100513497C (en) | 2009-07-15 |
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Owner name: CCCC FOURTH HARBOR ENGINEERING BUREAU LTD.; APPLI Free format text: FORMER OWNER: ZHONGJIAOSIHANG ENGINEERING RESEARCH INST., CO., LTD. Effective date: 20080620 |
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Effective date of registration: 20080620 Address after: 163 zip Road, Guangzhou City, post code: 510230 Applicant after: China exchange fourth Aeronautical Engineering Bureau Co., Ltd. Co-applicant after: Zhongjiao Sihang Engineering Inst. Co., Ltd. Address before: No. 157, Qianjin Road, Guangdong, 504, Guangzhou four Air Navigation Engineering Institute, Guangzhou 510230, China Applicant before: Zhongjiao Sihang Engineering Inst. Co., Ltd. |
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Owner name: ZHONGJIAO SIHANG ENGINEERING INST. CO., LTD. GUANG Free format text: FORMER OWNER: ZHONGJIAO SIHANG ENGINEERING INST. CO., LTD. |
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Effective date of registration: 20110628 Address after: 510230 No. 163 Qianjin Road, Guangzhou Co-patentee after: Zhongjiao Sihang Engineering Inst. Co., Ltd. Patentee after: CCCC Fourth Harbor Engineering Co., Ltd. Co-patentee after: Guangzhou Sihang Material Technology Co., Ltd. Address before: 510230 No. 163 Qianjin Road, Guangzhou Co-patentee before: Zhongjiao Sihang Engineering Inst. Co., Ltd. Patentee before: CCCC Fourth Harbor Engineering Co., Ltd. |
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