CN103992727B - A kind of general thick film epoxy heavy-duty anticorrosive coating and preparation method thereof - Google Patents
A kind of general thick film epoxy heavy-duty anticorrosive coating and preparation method thereof Download PDFInfo
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- CN103992727B CN103992727B CN201410215805.8A CN201410215805A CN103992727B CN 103992727 B CN103992727 B CN 103992727B CN 201410215805 A CN201410215805 A CN 201410215805A CN 103992727 B CN103992727 B CN 103992727B
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Abstract
The invention discloses a kind of general thick film epoxy heavy-duty anticorrosive coating and preparation method thereof, this coating is mixed by first component and second component, wherein by weight, and consisting of of first component: 6101 bisphenol A epoxide resin 30-40 parts, xylene formaldehyde resin 6-10 part, rust-stabilising pigment 8-12 part, color stuffing 25-35 part, mixed solvent 10-15 part, defoamer 0.1-0.5 part, wetting dispersing agent 0.5-0.8 part, anti-settling agent 1-2 part, flow agent 0.3-0.5 part; Consisting of of second component: phenolic aldehyde amine 70-80 part, modification aliphatic cyclic amine 20-30 part, dimethylbenzene 5-10 part; This coating is by reducing the solvent added in two components, increase the content of coating color stuffing, improve the solid content of coating with this, thus realize disposable one-tenth thickness and reach 150-200 μm, there is good application property simultaneously, and the composition not containing heavy metals such as lead, chromium.
Description
Technical field
The invention belongs to paint field, be specifically related to a kind of general thick film epoxy heavy-duty anticorrosive coating and preparation method thereof.
Background technology
Along with marine settings and shipbuilding industry development and International Environmental Protection regulation are put into effect, increasingly strict to the requirement of the VOC quantity discharged of coating, the VOC quantity discharged of a lot of solvent based coating is all defective.Moreover, disposable one-tenth thickness during the corrosion protective coating technology of customer requirement marine settings, bridge, sea port dock or boats and ships, the product that the indexs such as preservative property, sea water resistance, salt fog resistance, sticking power, wear resistance are superior, and the composition of the heavy metals such as lead, chromium can not be contained, therefore market all can be able to use at each position of hull of oceanographic equipment facility or boats and ships in the urgent need to a kind of, good with the matching capacity of various finish paint, really accomplish low viscosity, anti-sag, high solid, the general thick film epoxy heavy-duty anticorrosive coating of low VOC.
Summary of the invention
The object of this invention is to provide a kind of high-performance, disposable one-tenth thickness reaches 150-200 μm, application property is good, and the composition protective system not containing heavy metals such as lead, chromium, this formula is with xylene formaldehyde resin modification 6101 bisphenol A epoxide resin and add the rust-stabilising pigment of non-toxic efficient, and make solidifying agent with aliphatic cyclic amine and phenolic aldehyde amine, the compactness of product coating, sticking power, strength of coating, hardness, toughness, anti-wear, hydrophobicity, chemical resistance feature are significantly increased compared with other protective systems.
Another object of the present invention is to provide the preparation method of above-mentioned general thick film epoxy heavy-duty anticorrosive coating.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of general thick film epoxy heavy-duty anticorrosive coating, mixed by first component and second component, wherein by weight, consisting of of first component: 6101 bisphenol A epoxide resin 30-40 parts, xylene formaldehyde resin 6-10 part, rust-stabilising pigment 8-12 part, color stuffing 25-35 part, mixed solvent 10-15 part, defoamer 0.1-0.5 part, wetting dispersing agent 0.5-0.8 part, anti-settling agent 1-2 part, flow agent 0.3-0.5 part; Consisting of of second component: phenolic aldehyde amine 70-80 part, modification aliphatic cyclic amine 20-30 part, dimethylbenzene 5-10 part.
Preferably, first component and second component used in combination with the weight ratio of 6-7:1.
Preferably, the trade mark of described rust-stabilising pigment is NUBIROX106.
Preferably, described color stuffing is the mixture of flaky mica powder 8-14 part, process white 12-18 part, zinc sulfide white 5-8 part, iron oxide yellow 3-5 part.
Preferably, described mixed solvent is the mixture of reactive thinner 5013-5 part, cyclohexanone 2-3 part, dimethylbenzene 3-6 part, isopropylcarbinol 2-3 part.
Prepare a method for described general thick film epoxy heavy-duty anticorrosive coating, mixed by previously prepared good first component and second component, the preparation of described first component and second component comprises the following steps respectively:
A. first component:
(1) in Scattered Kettle, adding 6101 bisphenol A epoxide resins, xylene formaldehyde resin, the mixed solvent of total consumption 10-15%, anti-settling agent, defoamer, wetting dispersing agent and flow agent successively, under 1000-1200 rev/min of speed conditions, disperseing 20-30min to fully dissolving;
(2) in the mixture of step (1), add rust-stabilising pigment, color stuffing, disperse 20-30min under the speed conditions of 1000-1200 rev/min after, be ground to fineness≤30 μm, add residue mixed solvent and be uniformly dispersed;
B. second component:
In Scattered Kettle, add phenolic aldehyde amine successively, modification aliphatic cyclic amine, dimethylbenzene is uniformly mixed, stirring velocity is 100-200 rev/min, and churning time is 15-20min.
Preferably, the solidifying agent of second component is that (amine value is 460 ± 20 to phenolic aldehyde amine, active hydrogen equivalent weight is 60g/eq, viscosity is 2300-3000mPas/25 DEG C, there is low temperature and moisture solidification function) and aliphatic cyclic amine (amine value is 375 ± 50, active hydrogen equivalent weight is 78g/eq, and viscosity is 200-300mPas/25 DEG C) xylene mixture, coating plate finish, coating toughness, adhesion performance can be improved.
Containing hydroxyl, ehter bond isoreactivity group in xylene formaldehyde resin molecular structure, more than 80% is had for dimethylbenzene methyne structure in molecular composition, proportion 1.06-1.10, non-volatile content >=90%, active o content 9-12%, viscosity 70-150mPas, acid number≤0.3mgKOH/g, plasticising, toughening effect can be played, increase bonding strength, improve gloss; Increase amount of hydroxyl groups in first component, react containing active hydrogen group with solidifying agent, make the reticulated structure that resin formation is crosslinked, make paint film not easily be destroyed.
Rust-stabilising pigment is the zinc phosphate of NUBIROX series.Because particle diameter is less, thus there is larger specific surface area, can with solvent evenly and have good compatibility with resin.In addition, replace the rust-stabilising pigment of traditional leaded, chromium with zinc phosphate, effectively can control pollution and the discharge of heavy metal.
The invention has the beneficial effects as follows: general thick film epoxy heavy-duty anticorrosive coating of the present invention, by reducing the solvent added in two components, increase the content of coating color stuffing, the solid content of coating is improved with this, thus realize disposable one-tenth thickness and reach 150-200 μm, there is good application property simultaneously, and the composition not containing heavy metals such as lead, chromium.The present invention is with xylene formaldehyde resin modification 6101 bisphenol A epoxide resin and add the rust-stabilising pigment of non-toxic efficient, and make solidifying agent with aliphatic cyclic amine and phenolic aldehyde amine, the compactness of product coating, sticking power, strength of coating, hardness, toughness, anti-wear, hydrophobicity, chemical resistance feature are significantly increased compared with other protective systems.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.
Embodiment 1
A kind of general thick film epoxy heavy-duty anticorrosive coating, mixed by first component and second component, wherein by weight, consisting of of first component: 6101 bisphenol A epoxide resins 30 parts, xylene formaldehyde resin 6 parts, rust-stabilising pigment 8 parts, color stuffing 35 parts, mixed solvent 15 parts, defoamer 0.1 part, wetting dispersing agent 0.5 part, anti-settling agent 2 parts, flow agent 0.3 part; Consisting of of second component: phenolic aldehyde amine 70 parts, modification aliphatic cyclic amine 20 parts, dimethylbenzene 10 parts.
First component and second component used in combination with the weight ratio of 7:1.
Embodiment 2
A kind of general thick film epoxy heavy-duty anticorrosive coating, mixed by first component and second component, wherein by weight, consisting of of first component: 6101 bisphenol A epoxide resins 40 parts, xylene formaldehyde resin 10 parts, rust-stabilising pigment 12 parts, color stuffing 25 parts, mixed solvent 10 parts, defoamer 0.5 part, wetting dispersing agent 0.8 part, anti-settling agent 1 part, flow agent 0.5 part; Consisting of of second component: phenolic aldehyde amine 80 parts, modification aliphatic cyclic amine 30 parts, dimethylbenzene 5 parts.
First component and second component used in combination with the weight ratio of 6:1.
Embodiment 3
Prepare a method for described general thick film epoxy heavy-duty anticorrosive coating, mixed by previously prepared good first component and second component, the preparation of described first component and second component comprises the following steps respectively:
A. first component:
(1) in Scattered Kettle, adding 6101 bisphenol A epoxide resins, xylene formaldehyde resin, the mixed solvent of total consumption 10-15%, anti-settling agent, defoamer, wetting dispersing agent and flow agent successively, under 1000-1200 rev/min of speed conditions, disperseing 20-30min to fully dissolving;
(2) in the mixture of step (1), add rust-stabilising pigment, color stuffing, disperse 20-30min under the speed conditions of 1000-1200 rev/min after, be ground to fineness≤30 μm, add residue mixed solvent and be uniformly dispersed;
B. second component:
In Scattered Kettle, add phenolic aldehyde amine successively, modification aliphatic cyclic amine, dimethylbenzene is uniformly mixed, stirring velocity is 100-200 rev/min, and churning time is 15-20min.
Test general thick film epoxy heavy-duty anticorrosive coating prepared by above-described embodiment 1, result is as following table 1.
Table 1 test result
Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.After the content of having read the present invention's instruction, those skilled in the art can do various conversion or amendment with any same or similar means to the present invention, and these equivalent form of values fall within protection scope of the present invention equally.
Claims (8)
1. a general thick film epoxy heavy-duty anticorrosive coating, it is characterized in that: mixed by first component and second component, wherein by weight, consisting of of first component: 6101 bisphenol A epoxide resin 30-40 parts, xylene formaldehyde resin 6-10 part, rust-stabilising pigment 8-12 part, color stuffing 25-35 part, mixed solvent 10-15 part, defoamer 0.1-0.5 part, wetting dispersing agent 0.5-0.8 part, anti-settling agent 1-2 part, flow agent 0.3-0.5 part; Consisting of of second component: phenolic aldehyde amine 70-80 part, modification aliphatic cyclic amine 20-30 part, dimethylbenzene 5-10 part.
2. general thick film epoxy heavy-duty anticorrosive coating according to claim 1, is characterized in that: first component and second component used in combination with the weight ratio of 6-7:1.
3. general thick film epoxy heavy-duty anticorrosive coating according to claim 1, is characterized in that: the trade mark of described rust-stabilising pigment is NUBIROX106.
4. general thick film epoxy heavy-duty anticorrosive coating according to claim 1, is characterized in that: the amine value of described phenolic aldehyde amine is 460 ± 20, and active hydrogen equivalent weight is 60g/eq, and viscosity is 2300-3000mPas/25 DEG C.
5. general thick film epoxy heavy-duty anticorrosive coating according to claim 1, is characterized in that: the amine value of described modification aliphatic cyclic amine is 375 ± 50, and active hydrogen equivalent weight is 78g/eq, and viscosity is 200-300mPas/25 DEG C.
6. general thick film epoxy heavy-duty anticorrosive coating according to claim 1, is characterized in that: described color stuffing is the mixture of flaky mica powder 8-14 part, process white 12-18 part, zinc sulfide white 5-8 part, iron oxide yellow 3-5 part.
7. general thick film epoxy heavy-duty anticorrosive coating according to claim 1, is characterized in that: described mixed solvent is the mixture of reactive thinner 5013-5 part, cyclohexanone 2-3 part, dimethylbenzene 3-6 part, isopropylcarbinol 2-3 part.
8. prepare a method for general thick film epoxy heavy-duty anticorrosive coating according to claim 1, it is characterized in that: mixed by previously prepared good first component and second component, the preparation of described first component and second component comprises the following steps respectively:
A. first component:
(1) in Scattered Kettle, adding 6101 bisphenol A epoxide resins, xylene formaldehyde resin, the mixed solvent of total consumption 10-15%, anti-settling agent, defoamer, wetting dispersing agent and flow agent successively, under 1000-1200 rev/min of speed conditions, disperseing 20-30min to fully dissolving;
(2) in the mixture of step (1), add rust-stabilising pigment, color stuffing, disperse 20-30min under the speed conditions of 1000-1200 rev/min after, be ground to fineness≤30 μm, add residue mixed solvent and be uniformly dispersed;
B. second component:
In Scattered Kettle, add phenolic aldehyde amine successively, modification aliphatic cyclic amine, dimethylbenzene is uniformly mixed, stirring velocity is 100-200 rev/min, and churning time is 15-20min.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104629549A (en) * | 2015-02-11 | 2015-05-20 | 济南永昌利化工有限公司 | Organic-montmorillonite-modified water-based fluorocarbon resin emulsion anticorrosive paint and preparation method thereof |
| CN105153870A (en) * | 2015-05-30 | 2015-12-16 | 成都拜迪新材料有限公司 | Preparation method of ultralow temperature-cured and low temperature-resistant epoxy anticorrosive paint |
| CN106752726A (en) * | 2017-01-11 | 2017-05-31 | 合肥英索莱特新材料科技有限公司 | Water-base epoxy coal tar pitch anticorrosive paint |
| CN107099218A (en) * | 2017-04-28 | 2017-08-29 | 常州佳尔科仿真器材有限公司 | A kind of high solid selfreparing corrosion-resistant epoxy paint and preparation method thereof |
| CN107513325B (en) * | 2017-07-13 | 2019-10-01 | 洛阳双瑞防腐工程技术有限公司 | A kind of weather-proof epoxy thickness slurry anticorrosive paint and preparation method thereof |
| CN110016246A (en) * | 2019-04-12 | 2019-07-16 | 杭州彩贝化工有限公司 | One kind building yellow finishing coat and preparation method thereof in machine environmentally friendly functional |
| CN110408309B (en) * | 2019-08-19 | 2022-04-01 | 武汉钢铁有限公司 | Treating agent for temporary protection of steel rail and use method |
| CN112457747A (en) * | 2020-11-05 | 2021-03-09 | 无锡福斯特涂料有限公司 | Epoxy drinking water coating and preparation method thereof |
| CN116694191A (en) * | 2023-07-10 | 2023-09-05 | 沈希 | Solvent-free epoxy heavy-duty anticorrosive paint for ocean engineering and preparation method thereof |
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| CN101987937A (en) * | 2009-08-04 | 2011-03-23 | 海洋化工研究院 | Super-thick film anticorrosion coating of splash zone marine steel structure |
| CN101824265A (en) * | 2010-01-29 | 2010-09-08 | 北京航材百慕新材料技术工程股份有限公司 | Low-surface treatment moisture cured heavy anti-corrosion coating |
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Address after: 519040 Guangdong city of Zhuhai province Jinwan District Sanzao Town Gate Road No. 16 Applicant after: ZHUHAI WINNER ANTICORROSION TECHNOLOGY CO., LTD. Address before: 519040 Guangdong city of Zhuhai province Jinwan District Sanzao Town Gate Road No. 16 Applicant before: The anticorrosion Science and Technology Ltd. of prestige flag of Zhuhai City |
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