CN102108240A - Solvent-free high-impact normal temperature-cured epoxy anti-corrosion paint - Google Patents
Solvent-free high-impact normal temperature-cured epoxy anti-corrosion paint Download PDFInfo
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- CN102108240A CN102108240A CN 201110045748 CN201110045748A CN102108240A CN 102108240 A CN102108240 A CN 102108240A CN 201110045748 CN201110045748 CN 201110045748 CN 201110045748 A CN201110045748 A CN 201110045748A CN 102108240 A CN102108240 A CN 102108240A
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Abstract
The invention relates to solvent-free high-impact normal temperature-cured epoxy anti-corrosion paint which comprises the following raw materials by weight percent: 30-50% of epoxy resin, 10-30% of cardanol curing agent, 2-10% of toughening agent, 0.1-1% of modified polysiloxane leveling agent, 0.01-0.1% of polysiloxane defoaming agent, 4-8% of polyacrylic ester dispersing agent, 3-11% of zinc phosphate, 3-8% of aluminum triphosphate, 6-15% of barite powder, 3-8% of titanium dioxide, 0.01-0.1% of carbon black, 3-8% of mica powder and 3-8% of talcum powder. The solvent-free high-impact normal temperature-cured epoxy anti-corrosion paint has the benefits as follows: the solvent-free high-impact normal temperature-cured epoxy anti-corrosion paint is an environment-friendly paint, the solid content is high, the thickness of a once formed film is large, the phenomenon of trickling is avoided, the paint film is non-toxic, and no pollutions can be caused to the environment; and the solvent-free high-impact normal temperature-cured epoxy anti-corrosion paint is strong in adhesive force and extremely strong in impact resistance, and can be used as the anti-corrosion paint for drinking water pipelines, sewage, brine and ore slurry conveying pipelines and inner walls of storage tanks.
Description
Technical field
The present invention relates to technical field of coatings, specifically, is the corrosion-resistant epoxy paint of the solvent-free high-impact ambient cure of a kind of two-pack, is applicable to drinking water pipeline, contains the protective system of corrosive medium pipeline and reservoir walls.
Background technology
The target of modern coatings industry development is to be substituted with pollution, solvent type product with high-performance, oligosaprobic product.The deficiency of solvent-borne type protective system is generally: (1) easily forms in the coating anticorrosion totally unfavorable hole owing to the volatilization of organic solvent; (2) in airtight small space during application, because ventilation effect is bad, inflammable and explosive organic solvent causes the generation of fire easily or workmen and staff's health is had bigger harm; (3) solvent based coating since application often, the per pass overlay painting interval time is long, construction cost height not only, and easily cause painting defect, especially the conservation rate at projection and weld seam position coating is low, cause the anticorrosion phase effect of coating unsatisfactory, need regularly carry out the recoat maintenance, cause the expense of whole application higher.Along with people are urgent day by day and strict to requirement on environmental protection, the exploitation no-solvent type, the coating that does not promptly contain volatile organic matter (V O C) or do not contain deleterious air pollutant (H A P) has become the new research direction of coatings industry.
Solvent-free super thick-film coating has no atmospheric pollution, safety non-toxic, service tool and is easy to advantages such as cleaning, alternative present widely used solvent based coating, no matter be from sustainable development of resource, still go to consider from the improvement of live and work environment, the exploitation solventless epoxy coating all is necessary, have very high economic benefit and social benefit, development and national economy is had important practical significance.Report about solventless epoxy anti-corrosive coating is more, and as a kind of ultra-thick film solvent-free epoxy coating of people such as Du Jianwei development, this coating coating dry film thickness of constructing together can reach 500 μ m.The DICEP solvent-free epoxy heavy-duty anticorrosive coating of domestic report has generally that strong adhesion, compact structure, film forming are solid, the advantage of good impact resistance.Chinese patent CN101747822A discloses " a kind of epoxy solvent free paint and preparation method ", and the weight ratio of this each component of coating is a Resins, epoxy 35～45, solidifying agent 10～20, inertia color stuffing 30～45, additive 5～10 etc., this coating acidproof, alkaline-resisting, chemical resistance is better.But kind is limited in other words for the kind of solventless epoxy anti-corrosive coating in the market, and is slightly inadequate concerning its wide applications.Above-mentioned coating variety is slightly inadequate on shock resistance, need can't be applied to the place of high impact properties.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of corrosion-resistant epoxy paint of solvent-free high-impact ambient cure is provided, be applicable to drinking water pipeline, the protective system of sewage, bittern and ore pulp transport pipe and reservoir walls, and want environment-protecting asepsis pollution-free, meet the hygienic standard of drinking water pipeline.
For achieving the above object, the technical scheme taked of the present invention is:
A kind of corrosion-resistant epoxy paint of solvent-free high-impact ambient cure is characterized in that, the mass percent of various raw materials is:
Resins, epoxy 30～50%;
Cashew nut phenols curing agent 10～30%;
Toughner 2～10%;
Modified polyorganosiloxane class flow agent 0.1～1%;
Polysiloxane defoamer 0.01～0.1%;
Polyacrylate(s) dispersion agent 0.1～1.5%;
Zinc phosphate 3～11%;
Aluminium triphosphate 3～8%;
Ground barium sulfate 6～15%;
Titanium dioxide 3～8%;
Carbon black 0.01～0.1%;
Mica powder 3～8%;
Talcum powder 3～8%.
A kind of corrosion-resistant epoxy paint of solvent-free high-impact ambient cure is characterized in that, the mass percent of various raw materials is:
Resins, epoxy 35～45%;
Cashew nut phenols curing agent 15～25%;
Toughner 3～6%;
Modified polyorganosiloxane class flow agent 0.4～0.7%;
Polysiloxane defoamer 0.05～0.08%;
Polyacrylate(s) dispersion agent 0.5～1%;
Zinc phosphate 5～9%;
Aluminium triphosphate 4～7%;
Ground barium sulfate 10～13%;
Titanium dioxide 5～7%;
Carbon black 0.02～0.05%;
Mica powder 3～7%;
Talcum powder 3～7%.
Described toughner is one or more in paracril, thiorubber, the epoxy-terminated polyurethane.
The positively effect of the corrosion-resistant epoxy paint of a kind of solvent-free high-impact ambient cure of the present invention is:
(1) be a kind of environment-friendly type coating, solid content is big, can reach more than 95%, and disposable film forming thickness is big, and wet-film thickness does not have the trickling phenomenon between 300 μ m～600 μ m, and paint film is nontoxic, and is pollution-free to water;
(2) strong adhesion is between paint film and the base material, all have good adhesive between paint film and the paint film;
(3) have extremely strong impact resistance, build can tolerate the impact of 18J weight when 300 μ m～400 μ m, and paint film does not have cracking, no obscission.
Embodiment
Below provide the embodiment of the corrosion-resistant epoxy paint of a kind of solvent-free high-impact ambient cure of the present invention, provide 3 embodiment.But should be pointed out that enforcement of the present invention is not limited to following embodiment.
Embodiment 1A kind of corrosion-resistant epoxy paint of solvent-free high-impact ambient cure, the mass percent of various raw materials is:
Resins, epoxy 35% adopts products such as 128 of the E-51 of 828 or Xinhua Resin Factory, Shanghai of the DER331 of Dow Chemical or SHELL chemical company or grand prosperous company;
Amine curing agent 16% adopts the product of Shanghai Meidong Biological Material Co., Ltd or Ka Delai chemical industry company limited;
Modified polyorganosiloxane class flow agent 0.7%, employing moral modest (Shanghai) chemical company model are 435 product;
Polysiloxane defoamer 0.05%, employing moral modest (Shanghai) chemical company model are 6800 product;
Dispersion agent 0.5%, adopting Bi Ke company model is the BYK-354 product;
Toughner 6% adopts products such as Ba Ling petrochemical complex limited liability company or Dow Chemical;
Talcum powder 4%, the product of employing Shanghai Ze Chuan chemical industry company limited or the grand Rui Huashifenchang of Haicheng City;
Zinc phosphate 10.73% adopts the product of Shanghai Jian Cheng chemical industry company limited or Shanghai Chrome Yellow Plant;
Aluminium triphosphate 4% adopts the product of a Guangxi Chemical Inst. or a product pigment company;
Mica powder 5%, adopting Chuzhou Grea Minerals Co., Ltd.'s model is the product of GA-1;
Carbon black 0.02%, adopting sky, Qingdao and graphite company limited model is the product of C612;
Ground barium sulfate 13%, adopting Shanghai Shuan Run chemical industry company limited model is the product of LB-800, its kind and consumption are decided according to required color and colourity;
Titanium dioxide 5%, adopting Shanghai suitable should company of chemical company model be the product of R902.
The preparation process of the corrosion-resistant epoxy paint of described solvent-free high-impact ambient cure is mainly:
(1) Resins, epoxy and thinner etc. are added in the dispersion cylinder, be uniformly dispersed;
(2) then an amount of toughner is joined in the resin system of step (1) gained, high speed dispersion is uniformly dispersed various materials;
(3) in the base-material of step (2), add various auxiliary agents, high speed dispersion;
(4) by the time after step (3) end, reduce rotating speed, add various color stuffings, and then high speed dispersion;
(5) the abrasive lapping of step (4) gained to fineness less than 60 μ m, get final product needed coating; Temperature is controlled at below 60 ℃ in the process of lapping.
Embodiment 2A kind of corrosion-resistant epoxy paint of solvent-free high-impact ambient cure comprises priming paint and finish paint, and the mass percent of various raw materials is:
Resins, epoxy 40%;
Amine curing agent 20%;
Modified polyorganosiloxane class flow agent 1%;
Polysiloxane defoamer 0.07%;
Dispersion agent 1%;
Toughner 4%;
Talcum powder 5%;
Zinc phosphate 4%;
Aluminium triphosphate 7%;
Mica powder 6.88%;
Carbon black 0.05%;
Ground barium sulfate 8%;
Titanium dioxide 3%.
(raw material sources are with embodiment 1)
The preparation method is with embodiment 1.
Embodiment 3A kind of corrosion-resistant epoxy paint of solvent-free high-impact ambient cure comprises priming paint and finish paint, and the mass percent of various raw materials is:
Resins, epoxy 43%;
Amine curing agent 22%;
Modified polyorganosiloxane class flow agent 0.5%;
Polysiloxane defoamer 0.08%;
Dispersion agent 0.8%;
Toughner 3%;
Talcum powder 6%;
Zinc phosphate 5%;
Aluminium triphosphate 3.61%;
Mica powder 3%;
Carbon black 0.01%;
Ground barium sulfate 9%;
Titanium dioxide 4%.
(raw material sources are with embodiment 1)
The preparation method is with embodiment 1.
The performance of the corrosion-resistant epoxy paint of solvent-free high-impact ambient cure of the present invention is as shown in the table:
Table. the corrosion-resistant epoxy paint performance test table of solvent-free high-impact ambient cure
Claims (3)
1. the corrosion-resistant epoxy paint of a solvent-free high-impact ambient cure is characterized in that, the mass percent of various raw materials is:
Resins, epoxy 30～50%;
Cashew nut phenols curing agent 10～30%;
Toughner 2～10%;
Modified polyorganosiloxane class flow agent 0.1～1%;
Polysiloxane defoamer 0.01～0.1%;
Polyacrylate(s) dispersion agent 4～8%;
Zinc phosphate 3～11%;
Aluminium triphosphate 3～8%;
Ground barium sulfate 6～15%;
Titanium dioxide 3～8%;
Carbon black 0.01～0.1%;
Mica powder 3～8%;
Talcum powder 3～8%.
2. according to the corrosion-resistant epoxy paint of right 1 described a kind of solvent-free high-impact ambient cure, it is characterized in that the mass percent of various raw materials is:
Resins, epoxy 35～45%;
Cashew nut phenols curing agent 15～25%;
Toughner 3～6%;
Modified polyorganosiloxane class flow agent 0.4～0.7%;
Polysiloxane defoamer 0.05～0.08%;
Polyacrylate(s) dispersion agent 5～7%;
Zinc phosphate 5～9%;
Aluminium triphosphate 4～7%;
Ground barium sulfate 10～13%;
Titanium dioxide 5～7%;
Carbon black 0.02～0.05%;
Mica powder 3～7%;
Talcum powder 3～7%.
3. according to the corrosion-resistant epoxy paint of right 1 described a kind of solvent-free high-impact ambient cure, it is characterized in that described toughner is one or more in paracril, thiorubber, the epoxy-terminated polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110045748 CN102108240A (en) | 2011-02-25 | 2011-02-25 | Solvent-free high-impact normal temperature-cured epoxy anti-corrosion paint |
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| CN 201110045748 CN102108240A (en) | 2011-02-25 | 2011-02-25 | Solvent-free high-impact normal temperature-cured epoxy anti-corrosion paint |
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| CN102108240A true CN102108240A (en) | 2011-06-29 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382553A (en) * | 2011-08-26 | 2012-03-21 | 江苏达胜热缩材料有限公司 | Solvent-free epoxy primer for high temperature corrosion prevention of steel pipeline welded junction position |
| CN103497624A (en) * | 2013-09-03 | 2014-01-08 | 安徽精一机械设备有限公司 | Impact-resistant metal powdery paint |
| CN104987806A (en) * | 2015-07-07 | 2015-10-21 | 冶建新材料股份有限公司 | Solvent-free anticorrosive coating |
| CN106366738A (en) * | 2015-07-24 | 2017-02-01 | 旭化成株式会社 | Package of polycarbonate diol, saving method, and transporting method |
| CN109265916A (en) * | 2017-07-18 | 2019-01-25 | 味之素株式会社 | Resin combination |
| CN114479619A (en) * | 2021-11-10 | 2022-05-13 | 中国人民解放军海军工程大学 | Polysulfide rubber modified epoxy resin anticorrosive coating and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434807A (en) * | 2008-12-26 | 2009-05-20 | 扬州美涂士金陵特种涂料有限公司 | Primer-topcoat in one epoxy heavy duty anticorrosive paint |
| CN101643610A (en) * | 2008-08-05 | 2010-02-10 | 上海海隆赛能新材料有限公司 | Internal antiscale coating for oil well tubes and gathering pipelines in ASP-combinational flooding oil recovery |
| CN101747822A (en) * | 2008-12-12 | 2010-06-23 | 上海大通高科技材料有限责任公司 | Epoxy solvent free paint and preparation method thereof |
-
2011
- 2011-02-25 CN CN 201110045748 patent/CN102108240A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643610A (en) * | 2008-08-05 | 2010-02-10 | 上海海隆赛能新材料有限公司 | Internal antiscale coating for oil well tubes and gathering pipelines in ASP-combinational flooding oil recovery |
| CN101747822A (en) * | 2008-12-12 | 2010-06-23 | 上海大通高科技材料有限责任公司 | Epoxy solvent free paint and preparation method thereof |
| CN101434807A (en) * | 2008-12-26 | 2009-05-20 | 扬州美涂士金陵特种涂料有限公司 | Primer-topcoat in one epoxy heavy duty anticorrosive paint |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382553A (en) * | 2011-08-26 | 2012-03-21 | 江苏达胜热缩材料有限公司 | Solvent-free epoxy primer for high temperature corrosion prevention of steel pipeline welded junction position |
| CN103497624A (en) * | 2013-09-03 | 2014-01-08 | 安徽精一机械设备有限公司 | Impact-resistant metal powdery paint |
| CN104987806A (en) * | 2015-07-07 | 2015-10-21 | 冶建新材料股份有限公司 | Solvent-free anticorrosive coating |
| CN106366738A (en) * | 2015-07-24 | 2017-02-01 | 旭化成株式会社 | Package of polycarbonate diol, saving method, and transporting method |
| CN109265916A (en) * | 2017-07-18 | 2019-01-25 | 味之素株式会社 | Resin combination |
| CN109265916B (en) * | 2017-07-18 | 2023-06-13 | 味之素株式会社 | Resin composition |
| CN114479619A (en) * | 2021-11-10 | 2022-05-13 | 中国人民解放军海军工程大学 | Polysulfide rubber modified epoxy resin anticorrosive coating and preparation method thereof |
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Application publication date: 20110629 |