CN102344739B - Epoxy glass flake heavy-duty coating and preparation method thereof - Google Patents
Epoxy glass flake heavy-duty coating and preparation method thereof Download PDFInfo
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- CN102344739B CN102344739B CN 201110282378 CN201110282378A CN102344739B CN 102344739 B CN102344739 B CN 102344739B CN 201110282378 CN201110282378 CN 201110282378 CN 201110282378 A CN201110282378 A CN 201110282378A CN 102344739 B CN102344739 B CN 102344739B
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Abstract
The invention relates to an anti-corrosion coating, in particular to an epoxy glass flake heavy-duty coating and a preparation method thereof. The epoxy glass flake heavy-duty coating is prepared by mixing and curing a component A and a component B. The epoxy glass flake heavy-duty coating can be coated on the surface of a steel structure, and can be taken as a primer together with an epoxy zinc-rich primer. When taken as a finish coat, the anti-corrosion coating has high antirust and anti-corrosion performance. As proved by detection, a paint film does not become foamed or rusty when the salt spray resistance reaches 5,000 hours and has high weather resistance, and the coating and maintaining costs of a steel structure can be lowered. The production method of the epoxy glass flake heavy-duty coating does not need post-treatment, so that the process method is simple, energy is saved, and the cost is low. The component A and the component B can be automatically dried into a film at normal temperature after being uniformly mixed, so that high film forming performance is realized, and the product has high storing stability.
Description
Technical field
The present invention is a kind of protective system, particularly GLASS FLAKE and preparation method thereof.
Background technology
Sustainable development along with national economy and fundamental construction, the etch-proof requirement of key state project and heavy construction is also more and more higher, large-scale steel equipment, member, pipeline are had higher requirement to coating, namely require coating to have excellent rust resistance and corrosion resistance performance, again good application property, adaptability and weather resistance must be arranged.As everyone knows, epoxy anti-rust paint has good chemical-resistant and antiseptic property.
But, traditional epoxy anti-rust paint is higher to the steel structure surface processing requirements, when the engineering project of having moved is wanted Painting in Maintenance, must carry out secondary high quality processing of rust removing, coating of application was again reprocessed in just maintenance every several years, to prevent the iron and steel corrosion.Again must clear up on a large scale and eliminate rust before application more thus, cause manpower and materials greatly to drop into, and can can't carry out the factors such as mechanical treatment because of the engineering structure of complicated moulding, these problems have been brought great difficulty to construction, also limited the good utilization of epoxy resin-based paint type products on the large-scale steel structure maintenance items of antiseptic property, simultaneously except the maintenance cost height and because also bringing negative impact for again environment to the processing of steel structure surface.
Summary of the invention
The present invention solves the deficiencies in the prior art, provides a kind of in easily get rusty GLASS FLAKE and the preparation method of steel structure surface construction, to satisfy the long-effective corrosion needs of the parties concerned.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of GLASS FLAKE obtains specifically preparation in the steps below after mixing slaking by first component and second component:
(1), the raw material weight per-cent of first component is as follows:
Epoxy resin 42～45%, glass flake 25～26%, pigment 15～20%, filler 5～8%, nano material 3～4%, auxiliary agent 1.5～2.5%, solvent 3～5%;
(2), the raw material weight per-cent of second component is as follows:
8235 cashew nut oil modified epoxy hardeners 10～15%, 650 daiamid epoxy curing agents 40～45%, mixed solvent 40～55%;
First component and second component obtain GLASS FLAKE after mixing slaking.
As preferably, the weight proportion of described first component and second component is 10:1.2.
As preferably, described auxiliary agent is the mixture of 904S wetting dispersing agent, 606 defoamers and CIMA240 anti-settling agent; 904S wetting dispersing agent: 606 defoamers: the weight ratio=0.5:0.4:0.6 of CIMA240 anti-settling agent; Described mixed solvent is comprised of dimethylbenzene and butanols, dimethylbenzene: the weight ratio=7:3 of butanols; Solvent in described first component is epoxy lacquer diluent, and epoxy lacquer diluent is comprised of butanols and dimethylbenzene; Described nano material is nanometer grade calcium carbonate; Described pigment is phosphorus zinc white, titanium dioxide and N330 carbon black.
As preferably, described epoxy resin is the dihydroxyphenyl propane solid epoxy; The granularity of described glass flake is 400～500 orders; Described filler is the mixture of 1250 order talcum powder and calcium carbonate, 1250 order talcum powder: the weight ratio=8:6 of calcium carbonate.
A kind of its preparation method of GLASS FLAKE, carry out according to the following steps:
(1), add reactor to heat melting butanols 8～10 ㎏ in dimethylbenzene 28～30 ㎏ and solubilizing agent in dihydroxyphenyl propane solid epoxy 60～62 ㎏, solubilizing agent in the first component, steam-heated cal(l)andria to 85 ℃ in reactor～87 ℃, be incubated again 6～7 hours, making it to be homogeneous transparent liquid under fully stirring refilters and becomes work in-process, solids content is controlled at 60 ± 2%, then be cooled to 60 degrees centigrade test qualified;
(2), after step (1), add phosphorus zinc white 11～12 ㎏, titanium dioxide 19～20 ㎏, nano-calcium carbonate 5～6 ㎏, 1250 order talcum powder 7～8 ㎏ and N330 carbon black 0.1～0.11 ㎏ in work in-process, carried out high-speed stirring 15～20 minutes, rotating speed is 800～850 rev/mins, again by sand milling to fineness below 50 microns, form transparent liquid;
Add glass flake 24～25 ㎏, 606 defoamer 0.4～0.45 ㎏ and epoxy lacquer diluent 2～3 ㎏ in transparent liquid, through high-speed stirring 25～30 minutes, rotating speed is 80～120 rev/mins, filter with 80 eye mesh screens after making it to be uniform liquid, obtain the first component of this product, first component viscosity controller was in 6# cup 80～100 seconds;
(3), 8235 cashew nut oil modified epoxy hardeners are put in stirred pot, add again 650 daiamid epoxy curing agents, dimethylbenzene and butanols fully to stir, the time of stirring is 25～30 minutes, rotating speed is 80～120 rev/mins, filter the second component of De Deben product after making it to be uniform liquid with 80 eye mesh screens;
(4), when using, with first component and second component 10:1.2 by weight ratio, stir the formation product, churning time is 10～15 minutes, and uses in 5 hours.
The main component of CIMA240 anti-settling agent is polyamide wax pulp, belongs to one of paint auxiliary agent kind.
First component viscosity controller referred to an index of the denseness size of painting in 80～100 seconds at the 6# cup, if the excessive difficulty of construction of viscosity is large, viscosity is little also not all right, thus 80～100 seconds elution time scope in instrument (calculating take second) as span of control.
The preferred bisphenol A epoxide resin of epoxy resin, the trade mark of producing as resin processing plant of nation of Shanghai unit are the bisphenol A epoxide resin of the manufacturer production such as YPE-011, SM-601 three wood gums, E-20 profit send out; Pigment is conventional mineral dye, as titanium dioxide, zinc oxide, iron oxide red, glass flake, phosphorus zinc white etc.; 8235 cashew nut oil modified epoxy hardeners are that Shanghai Mei Dong chemical company purchases; 650 daiamid epoxy curing agents are that the Changjiang river, Jiangsu chemical company purchases; 218 titanium dioxides are that Panzhihua City titanium sea Science and Technology Ltd. produces; Phosphorus zinc white is that Shanghai Chrome Yellow Plant produces; Carbon black is that Shanghai heavenly steed pigment factory produces; Nanometer grade calcium carbonate is that Hangzhou ten thousand scape novel material company limiteds produce; 1250 order talcum powder are that Haicheng talcum powder factory produces; Glass flake Langfang in Hebei Province skies glass flake factory produces; Dimethylbenzene is that Hangzhou is thought to reach organic chemical industry company limited and produced; Butanols is that the Ningbo petrochemical industry is imported and exported company limited's supply of material; The 904S dispersion agent is that the Shanghai favour is just being gone (moral is modest) company supply; The anti-settling rheological agent of CIMA240 is Korea S's CFC company production Hangzhou fine jade source chemical industry commission merchant supply; 606 defoamers are the supply of Jin Bo Shanghai Wei Ka trading company.
The present invention compared with prior art has the following advantages: when using GLASS FLAKE application of the present invention, can be in the steel structure surface application, also can make priming paint by supporting epoxy zinc rich primer, product of the present invention is done finish paint and is carried out the supporting good rust resistance and corrosion resistance performance that has, salt spray resistance reaches 5000 hours paint films and does not bubble, do not get rusty after testing, paint film weatherability is good, can reduce the steel structure coating maintenance cost.The production method that GLASS FLAKE of the present invention is coated with must aftertreatment, so processing method is simple, save energy, cost are lower.Can be at normal temperatures after first component and second component mix drying and forming-film voluntarily, have good film forming properties, the stability in storage of product is good.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1:
A kind of GLASS FLAKE obtains specifically preparation in the steps below after mixing slaking by first component and second component:
1, get the raw materials ready:
The raw material weight per-cent of first component is as follows:
Epoxy resin 42%, glass flake 26%, pigment 18%, filler 6.5%, nano material 3%, auxiliary agent 1.5%, solvent 3%;
The raw material weight per-cent of second component is as follows:
8235 cashew nut oil modified epoxy hardeners 10%, 650 daiamid epoxy curing agents 40%, mixed solvent 50%.
The weight proportion of described first component and second component is 10:1.2.
Described auxiliary agent is the mixture of 904S wetting dispersing agent, 606 defoamers and CIMA240 anti-settling agent; 904S wetting dispersing agent: 606 defoamers: the weight ratio=0.5:0.4:0.6 of CIMA240 anti-settling agent; Described mixed solvent is comprised of dimethylbenzene and butanols, dimethylbenzene: the weight ratio=7:3 of butanols; Solvent in described first component is epoxy lacquer diluent, and epoxy lacquer diluent is comprised of butanols and dimethylbenzene; Described nano material is nanometer grade calcium carbonate; Described pigment is phosphorus zinc white, titanium dioxide and N330 carbon black.
Described epoxy resin is the dihydroxyphenyl propane solid epoxy; The granularity of described glass flake is 400 orders; Described filler is the mixture of 1250 order talcum powder and calcium carbonate, 1250 order talcum powder: the weight ratio=8:6 of calcium carbonate.
2, the preparation method carries out according to the following steps:
(1), add reactor to heat melting butanols 8 ㎏ in dimethylbenzene 28 ㎏ and solubilizing agent in dihydroxyphenyl propane solid epoxy 60 ㎏, solubilizing agent in the first component, steam-heated cal(l)andria to 85 ℃ in reactor, be incubated again 6 hours, making it to be homogeneous transparent liquid under fully stirring refilters and becomes work in-process, solids content is controlled at 60 ± 2%, then be cooled to 60 the degree test qualified;
(2), after step (1), add phosphorus zinc white 11 ㎏, titanium dioxide 19 ㎏, nano-calcium carbonate 5 ㎏, 1250 order talcum powder 7 ㎏ and N330 carbon black 0.1 ㎏ in work in-process, carried out high-speed stirring 15 minutes, rotating speed is 800 rev/mins, again by sand milling to fineness below 50 microns, form transparent liquid;
Add glass flake 24 ㎏, 606 defoamer 0.4 ㎏ and epoxy lacquer diluent 2 ㎏ in transparent liquid, through high-speed stirring 25 minutes, rotating speed was 80 rev/mins, filtered with 80 eye mesh screens after making it to be uniform liquid, obtain the first component of this product, first component viscosity controller was in 6# cup 80 seconds;
(3), 8235 cashew nut oil modified epoxy hardeners are put in stirred pot, add again 650 daiamid epoxy curing agents, dimethylbenzene and butanols fully to stir, the time of stirring is 25 minutes, rotating speed is 80 rev/mins, filter the second component of De Deben product after making it to be uniform liquid with 80 eye mesh screens;
(4), when using, with first component and second component 10:1.2 by weight ratio, stir the formation product, churning time is 10 minutes, and uses in 5 hours.
Embodiment 2:
A kind of GLASS FLAKE obtains specifically preparation in the steps below after mixing slaking by first component and second component:
1, get the raw materials ready:
The weight percent of first component is as follows:
Epoxy resin 44%, glass flake 25%, pigment 15%, filler 7%, nano material 3%, auxiliary agent 2%, solvent 4%;
The weight percent of second component is as follows:
8235 cashew nut oil modified epoxy hardeners 14%, 650 daiamid epoxy curing agents 42%, mixed solvent 44%.
The weight proportion of described first component and second component is 10:1.2.
Described auxiliary agent is the mixture of 904S wetting dispersing agent, 606 defoamers and CIMA240 anti-settling agent; 904S wetting dispersing agent: 606 defoamers: the weight ratio=0.5:0.4:0.6 of CIMA240 anti-settling agent; Described mixed solvent is comprised of dimethylbenzene and butanols, dimethylbenzene: the weight ratio=7:3 of butanols; Solvent in described first component is epoxy lacquer diluent, and epoxy lacquer diluent is comprised of butanols and dimethylbenzene; Described nano material is nanometer grade calcium carbonate; Described pigment is phosphorus zinc white, titanium dioxide and N330 carbon black.
Described epoxy resin is the dihydroxyphenyl propane solid epoxy; The granularity of described glass flake is 450 orders; Described filler is the mixture of 1250 order talcum powder and calcium carbonate, 1250 order talcum powder: the weight ratio=8:6 of calcium carbonate.
2, the preparation method carries out according to the following steps:
(1), add reactor to heat melting butanols 9 ㎏ in dimethylbenzene 29 ㎏ and solubilizing agent in dihydroxyphenyl propane solid epoxy 61 ㎏, solubilizing agent in the first component, steam-heated cal(l)andria to 86 ℃ in reactor, be incubated again 6.5 hours, making it to be homogeneous transparent liquid under fully stirring refilters and becomes work in-process, solids content is controlled at 60 ± 2%, then be cooled to 60 the degree test qualified;
(2), after step (1), add phosphorus zinc white 11.5 ㎏, titanium dioxide 19.5 ㎏, nano-calcium carbonate 5.5 ㎏, 1250 order talcum powder 7.5 ㎏ and N330 carbon black 0.1 ㎏ in work in-process, carried out high-speed stirring 18 minutes, rotating speed is 830 rev/mins, again by sand milling to fineness below 50 microns, form transparent liquid;
Add glass flake 24.5 ㎏, 606 defoamer 0.4 ㎏ and epoxy lacquer diluent 2.5 ㎏ in transparent liquid, through high-speed stirring 28 minutes, rotating speed is 100 rev/mins, filter with 80 eye mesh screens after making it to be uniform liquid, obtain the first component of this product, first component viscosity controller was in 6# cup 90 seconds;
(3), 8235 cashew nut oil modified epoxy hardeners are put in stirred pot, add again 650 daiamid epoxy curing agents, dimethylbenzene and butanols fully to stir, the time of stirring is 28 minutes, rotating speed is 100 rev/mins, filter the second component of De Deben product after making it to be uniform liquid with 80 eye mesh screens;
(4), when using, with first component and second component 10:1.2 by weight ratio, stir the formation product, churning time is 13 minutes, and uses in 5 hours.
Embodiment 3:
A kind of GLASS FLAKE obtains specifically preparation in the steps below after mixing slaking by first component and second component:
1, get the raw materials ready:
The weight percent of first component is as follows:
Epoxy resin 44%, glass flake 25.5%, pigment 15%, filler 8%, nano material 3%, auxiliary agent 1.5%, solvent 3%;
The weight percent of second component is as follows:
8235 cashew nut oil modified epoxy hardeners 15%, 650 daiamid epoxy curing agents 45%, mixed solvent 40%.
The weight proportion of described first component and second component is 10:1.2.
Described auxiliary agent is the mixture of 904S wetting dispersing agent, 606 defoamers and CIMA240 anti-settling agent; 904S wetting dispersing agent: 606 defoamers: the weight ratio=0.5:0.4:0.6 of CIMA240 anti-settling agent; Described mixed solvent is comprised of dimethylbenzene and butanols, dimethylbenzene: the weight ratio=7:3 of butanols; Solvent in described first component is epoxy lacquer diluent, and epoxy lacquer diluent is comprised of butanols and dimethylbenzene; Described nano material is nanometer grade calcium carbonate; Described pigment is phosphorus zinc white, titanium dioxide and N330 carbon black.
Described epoxy resin is the dihydroxyphenyl propane solid epoxy; The granularity of described glass flake is 400～500 orders; Described filler is the mixture of 1250 order talcum powder and calcium carbonate, 1250 order talcum powder: the weight ratio=8:6 of calcium carbonate.
2, the preparation method carries out according to the following steps:
(1), add reactor to heat melting butanols 10 ㎏ in dimethylbenzene 30 ㎏ and solubilizing agent in dihydroxyphenyl propane solid epoxy 62 ㎏, solubilizing agent in the first component, steam-heated cal(l)andria to 87 ℃ in reactor, be incubated again 7 hours, making it to be homogeneous transparent liquid under fully stirring refilters and becomes work in-process, solids content is controlled at 60 ± 2%, then be cooled to 60 the degree test qualified;
(2), after step (1), add phosphorus zinc white 12 ㎏, titanium dioxide 20 ㎏, nano-calcium carbonate 6 ㎏, 1250 order talcum powder 8 ㎏ and N330 carbon black 0.11 ㎏ in work in-process, carried out high-speed stirring 20 minutes, rotating speed is 850 rev/mins, again by sand milling to fineness below 50 microns, form transparent liquid;
Add glass flake 25 ㎏, 606 defoamer 0.45 ㎏ and epoxy lacquer diluent 3 ㎏ in transparent liquid, through high-speed stirring 30 minutes, rotating speed was 120 rev/mins, filtered with 80 eye mesh screens after making it to be uniform liquid, obtain the first component of this product, first component viscosity controller was in 6# cup 100 seconds;
(3), 8235 cashew nut oil modified epoxy hardeners are put in stirred pot, add again 650 daiamid epoxy curing agents, dimethylbenzene and butanols fully to stir, the time of stirring is 30 minutes, rotating speed is 120 rev/mins, filter the second component of De Deben product after making it to be uniform liquid with 80 eye mesh screens;
(4), when using, with first component and second component 10:1.2 by weight ratio, stir the formation product, churning time is 15 minutes, and uses in 5 hours.
Claims (4)
1. GLASS FLAKE is characterized in that comprising following material:
(1), the raw material weight per-cent of first component is as follows:
Epoxy resin 42～45%, glass flake 25～26%, pigment 15～20%, filler 5～8%, nano material 3～4%, auxiliary agent 1.5～2.5%, solvent 3～5%;
(2), the raw material weight per-cent of second component is as follows:
8235 cashew nut oil modified epoxy hardeners 10～15%, 650 daiamid epoxy curing agents 40～45%, mixed solvent 40～55%;
Each weight percentages of components sum is 100%;
First component and second component obtain GLASS FLAKE after mixing slaking;
The weight proportion of described first component and second component is 10:1.2.
2. a kind of GLASS FLAKE according to claim 1, it is characterized in that: described auxiliary agent is the mixture of 904S wetting dispersing agent, 606 defoamers and CIMA240 anti-settling agent; 904S wetting dispersing agent: 606 defoamers: the weight ratio=0.5:0.4:0.6 of CIMA240 anti-settling agent; Described mixed solvent is comprised of dimethylbenzene and butanols, dimethylbenzene: the weight ratio=7:3 of butanols; Solvent in described first component is epoxy lacquer diluent, and epoxy lacquer diluent is comprised of butanols and dimethylbenzene; Described nano material is nanometer grade calcium carbonate; Described pigment is phosphorus zinc white, titanium dioxide and N330 carbon black.
3. a kind of GLASS FLAKE according to claim 1, it is characterized in that: described epoxy resin is the dihydroxyphenyl propane solid epoxy; The granularity of described glass flake is 400～500 orders; Described filler is the mixture of 1250 order talcum powder and calcium carbonate, 1250 order talcum powder: the weight ratio=8:6 of calcium carbonate.
4. its preparation method of a GLASS FLAKE is characterized in that carrying out according to the following steps:
(1), add reactor to heat melting butanols 8～10 ㎏ in dimethylbenzene 28～30 ㎏ and solubilizing agent in dihydroxyphenyl propane solid epoxy 60～62 ㎏, solubilizing agent in the first component, steam-heated cal(l)andria to 85 ℃ in reactor～87 ℃, be incubated again 6～7 hours, making it to be homogeneous transparent liquid under fully stirring refilters and becomes work in-process, solids content is controlled at 60 ± 2%, then be cooled to 60 degrees centigrade test qualified;
(2), after step (1), add phosphorus zinc white 11～12 ㎏, titanium dioxide 19～20 ㎏, nano-calcium carbonate 5～6 ㎏, 1250 order talcum powder 7～8 ㎏ and N330 carbon black 0.1～0.11 ㎏ in work in-process, carried out high-speed stirring 15～20 minutes, rotating speed is 800～850 rev/mins, again by sand milling to fineness below 50 microns, form transparent liquid;
Add glass flake 24～25 ㎏, 606 defoamer 0.4～0.45 ㎏ and epoxy lacquer diluent 2～3 ㎏ in transparent liquid, through high-speed stirring 25～30 minutes, rotating speed is 80～120 rev/mins, filter with 80 eye mesh screens after making it to be uniform liquid, obtain the first component of this product, first component viscosity controller was in 6# cup 80～100 seconds;
(3), 8235 cashew nut oil modified epoxy hardeners are put in stirred pot, add again 650 daiamid epoxy curing agents, dimethylbenzene and butanols fully to stir, the time of stirring is 25～30 minutes, rotating speed is 80～120 rev/mins, filter the second component of De Deben product after making it to be uniform liquid with 80 eye mesh screens;
(4), when using, with first component and second component 10:1.2 by weight ratio, stir the formation product, churning time is 10～15 minutes, and uses in 5 hours.
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| CN102734297A (en) * | 2012-06-08 | 2012-10-17 | 广东明阳风电产业集团有限公司 | Anchoring bolt for offshore wind power foundation |
| CN102775880A (en) * | 2012-08-24 | 2012-11-14 | 西北永新化工股份有限公司 | Low-temperature quick-drying type epoxy paste paint and preparation method thereof |
| CN103194131B (en) * | 2013-04-12 | 2015-07-22 | 广西大学 | Composite flake heavy-duty coating for ocean storage and transportation facilities |
| CN104194560A (en) * | 2014-08-15 | 2014-12-10 | 广西梧州龙鱼漆业有限公司 | Epoxy glass-flake antiseptic paint and preparation method thereof |
| CN104341811A (en) * | 2014-11-10 | 2015-02-11 | 珠海市澜诺新材料科技有限公司 | Bonding agent for water-based over-rust corrosion protective coating, preparation method of bonding agent, and coating composition formed by bonding agent |
| CN105086768B (en) * | 2015-09-17 | 2018-08-14 | 浙江钱浪涂料科技有限公司 | Thick paste type epoxy modified coal pitch anticorrosive paint and preparation method |
| CN105838186B (en) * | 2016-03-25 | 2018-05-11 | 东北石油大学 | A kind of novel anticorrosion coating and preparation method thereof |
| CN107201142A (en) * | 2017-06-26 | 2017-09-26 | 太仓市友联干燥粉碎设备有限公司 | Non-solvent epoxy Glass Flake Coating for vertical and horizontal basin |
| CN108129949A (en) * | 2017-12-25 | 2018-06-08 | 中冶建筑研究总院有限公司 | A kind of preparation method of epoxy heavy-duty anticorrosive coating |
| CN111662618B (en) * | 2020-05-08 | 2021-11-19 | 江苏兰陵高分子材料有限公司 | Light-color high-solid-content epoxy micaceous iron intermediate paint and preparation method thereof |
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| US7005483B2 (en) * | 2003-01-17 | 2006-02-28 | 3L & T, Inc. | Epoxy ebonite compositions |
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| CN101671515A (en) * | 2009-09-01 | 2010-03-17 | 中国人民解放军海军后勤技术装备研究所 | Anticorrosive coating for concrete structure reinforcing bars and preparation method thereof |
| CN102181218A (en) * | 2011-03-18 | 2011-09-14 | 西北矿冶研究院 | Novel polymer anticorrosive coating material |
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