CN103013293A - High-heat-resisting and anti-corrosive paint and application thereof - Google Patents
High-heat-resisting and anti-corrosive paint and application thereof Download PDFInfo
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- CN103013293A CN103013293A CN2012105621019A CN201210562101A CN103013293A CN 103013293 A CN103013293 A CN 103013293A CN 2012105621019 A CN2012105621019 A CN 2012105621019A CN 201210562101 A CN201210562101 A CN 201210562101A CN 103013293 A CN103013293 A CN 103013293A
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Abstract
The invention discloses a high-heat-resisting and anti-corrosive paint, which comprises a main agent and a curing agent, wherein the main agent comprises novolac epoxy F-51, a diluent, a pigment filler and an assistant. The high-heat-resisting and anti-corrosive paint achieves high-temperature resistance and long-term immersion corrosion protection of pipelines or hot water tanks in a boiling water environment; an internal wall coating formed by the paint resists high temperature, and is high in anti-corrosive property, thick, and good in flexibility; in addition, the paint can be cured at a normal temperature, has no special requirement on a construction environment or technology, and has no strict requirement on treatment of the surface of a metal substrate; the workability is good; the construction cost is lowered greatly; and the paint can be widely applied to internal walls of various heat storage tanks and hot water pipelines.
Description
Technical field
The invention belongs to the manufacturing technology field of industrial coating, particularly relate to a kind of coating and application thereof of heat-resistant anticorrosive.
Background technology
China's most large high-temperature wet tank or pipeline use metal pipe material, such as materials such as carbon steel, stainless steels more.Generally all can add lining or directly be coated with at inwall at these tank bodies, inner-walls of duct and coat, to improve high temperature resistant, the Corrosion Protection of these equipment, prolong its work-ing life.Mostly the normal inner lining protection mode that adopts of the tank body of stainless steel or carbon steel material or inner-walls of duct is to adopt matrix material; but its complex process, cost height; popularization is low; the suitable coating of comparatively generally selecting that adopts at present forms supercoat in inner wall surface; it is namely simple and effective that this kind measure implements, and use cost is low again.
The more coating that adopts at high temperature storage-tank pipeline inwall at present has polyurethane coating, dihydroxyphenyl propane coating and phenolic aldehyde epoxy coating etc.Wherein the urethane oil resistance is good, but to construction environment have relatively high expectations, construction technology is complicated; Dihydroxyphenyl propane coating has excellent rotproofness, substrate adhesion, is comparatively ripe at present reservoir walls coating; The phenolic aldehyde epoxy coating then is the new direction of the research of present functional coating; the coating of its formation has higher vitrification point and good chemical stability, and the ability multi-chemical especially has preferably resistance to high-temp liquid; antiseptic property is excellent simultaneously, and its Application Areas is comparatively extensive.
But the phenolic aldehyde epoxy coating that uses at present still comes with some shortcomings: solidify difficulty such as normal temperature, increased difficulty of construction; The coated membrane that forms is thin, firmly crisp, snappiness is poor, meet when temperature becomes easily to crack, simultaneously long period of soaking in high-temp liquid, the thin easy deliquescing of paint film coating, water tolerance is relatively poor etc.
Simultaneously on preparation technology, added in the film forming material owing to such coating that more color stuffing uses less solvent easily to be coated with phosphoric acid feeding-up, sand mill carries out difficulty of grinding distribution in the use traditional technology, therefore need to adjust its component and manufacture craft, the required suitable grinding viscosity of sand mill can be satisfied, thick the being coated with property of the excellence of the finished product can be ensured again.Therefore to solve the contradiction between thick being coated with property and the paint viscosity, formulate again suitable manufacturing process and seem particularly important.
Summary of the invention
For solving the problems of the technologies described above, the present invention has done further screening to the novolac epoxy in the phenolic aldehyde epoxy coating, reactive thinner, pigment extender, reduce proportion, the viscosity of coating, improved its high heat resistance energy and antiseptic property, adopt simultaneously the part superfine pigment, adjusted the proportioning of each component, solved the higher problem of preparation process medium viscosity, and guaranteed that simultaneously products obtained therefrom has higher thick being coated with property.
The invention provides a kind of high Heat and corrosion resistant coating, comprise host and solidifying agent, wherein said host is comprised of following component: novolac epoxy F-51, epoxide diluent, color stuffing and auxiliary agent, wherein color stuffing is comprised of tinting pigment and pigment extender, and auxiliary agent is comprised of anti-settling agent 200x, dispersion agent 301, anti-sagging agent HI-1058; Each component that comprises in the host is counted as follows by weight:
Novolac epoxy F-51:20-40 part;
Epoxide diluent: 10-15 part;
Tinting pigment: 3-7 part;
Pigment extender: 35-70 part;
Auxiliary agent:
Anti-settling agent 200x:1-5 part;
Dispersion agent 301:0.1-1.0 part;
Anti-sagging agent HI-1058:3-10 part.
Further, solidifying agent described in the above-mentioned coating is comprised of the component of following parts by weight:
Epoxide diluent: 20-40 part;
Modified aliphatic solidifying agent 2280:60-80 part.
Further, epoxide diluent described in the above-mentioned coating is comprised of dimethylbenzene, propyl carbinol, heavy aromatics, counts by weight dimethylbenzene in every part of epoxide diluent: 30-60 part, propyl carbinol: 25-45 part, heavy aromatics 10-25 part.
Further, pigment extender described in the above-mentioned coating is counted by weight by following component and is formed:
Ultra-fine barium sulfate 20-30 part;
Talcum powder 600 order 5-10 parts;
Mica powder 10-30 part.
High Heat and corrosion resistant coating in sum is for hot water pipeline or even boiling water pipeline or the required high temperature resistant high antiseptic property of high temperature container for storing liquid and the ambient cure high solid environmental protection coating material of developing.
Each raw material among the present invention all comes from the commercially available prod.
High Heat and corrosion resistant coating of the present invention has solved the high temperature resistant and long period of soaking Anticorrosion of pipeline in the boiling water environment, and the inside coating of its formation is high temperature resistant, antiseptic property is high, thick coating and snappiness are good; Simultaneously, low viscosity, viscosity below the 110KU, primary coating thickness can reach more than 200 μ, can solidify at normal temperatures, to construction environment and technique without particular requirement, for the processing on metal substrate surface without strict demand, have good workability, greatly lowered construction cost, can be widely used in various heat storage cans, hot water pipeline inwall.Embodiment
The invention will be further described below in conjunction with embodiment, but can not be as restriction of the present invention.
Embodiment 1:
The high Heat and corrosion resistant coating of a kind of grey:
Concrete composition and the content of host are as follows:
Novolac epoxy F-51:300 gram
Dimethylbenzene: 58.8 grams;
Propyl carbinol: 38.4;
Heavy aromatics: 21.6 grams;
Titanium dioxide 25.00 grams
Carbon black 0.5 gram
Pigment extender:
Ultra-fine barium sulfate: 220 grams
Talcum powder 600 orders: 80 grams
Mica powder: 160 grams
Auxiliary agent comprises:
Anti-settling agent 200x:10 gram
Dispersion agent 301:6 gram
Anti-sagging agent HI-1058:50 gram
The raw material of solidifying agent is:
Dimethylbenzene: 140 grams;
Propyl carbinol: 91.5 grams;
Heavy aromatics: 51.48 grams;
Modified aliphatic solidifying agent 2280:714 gram
The preparation technology of above-mentioned coating is as follows:
1. the step of preparation process of host:
1) batching: following material is stirred prepare burden in order: novolac epoxy F-51, dimethylbenzene, propyl carbinol, heavy aromatics, tinting pigment, pigment extender, anti-settling agent 200x, dispersion agent 301, operational condition is to stir 20 minutes under the normal temperature, rotating speed 300-500 rev/min, get mill base to be ground;
2) grind: the mill base to be ground that will configure is squeezed in the sand mill by the sand milling pump and is ground, and operational condition is temperature≤60 ℃, and the control flow is to reach following index: fineness≤50 μ m, viscosity≤90KU;
3) be in harmonious proportion: following material is stirred is in harmonious proportion in order: novolac epoxy F-51, anti-sagging agent HI-1058, epoxide diluent, operational condition is that normal temperature is more than 40 minutes, rotating speed 1000-1500/ divides, to reach following index: fineness≤60 μ m, viscosity≤110KU, solid part 80 ± 2%;
4) packing host;
2. the step of preparation process of solidifying agent:
1) following material is stirred prepare burden in order: dimethylbenzene, propyl carbinol, heavy aromatics, modified aliphatic solidifying agent 2280, operational condition are to stir 20 minutes under the normal temperature, rotating speed 300-500 rev/min, to reach following index: solid part 65 ± 2%;
2) packing solidifying agent.
Embodiment 2:
The high Heat and corrosion resistant coating of a kind of red iron oxide:
Concrete composition and the content of host are as follows:
Novolac epoxy F-51:200 gram
Dimethylbenzene: 49 grams;
Propyl carbinol: 32 grams;
Heavy aromatics: 18 grams;
Red iron oxide: 30 grams
Pigment extender:
Ultra-fine barium sulfate: 200 grams
Talcum powder 600 orders: 50 grams
Mica powder: 100 grams
Auxiliary agent comprises:
Anti-settling agent 200x:20 gram
Dispersion agent 301:1 gram
Anti-sagging agent HI-1058:30 gram
The raw material of solidifying agent is:
Dimethylbenzene: 98 grams;
Propyl carbinol: 64 grams;
Heavy aromatics: 36 grams;
Modified aliphatic solidifying agent 2280:600 gram
The preparation technology of above-mentioned coating is as follows:
1. the step of preparation process of host:
1) batching: following material is stirred prepare burden in order: novolac epoxy F-51, dimethylbenzene, propyl carbinol, heavy aromatics, tinting pigment, pigment extender, anti-settling agent 200x, dispersion agent 301, operational condition is to stir 20 minutes under the normal temperature, rotating speed 300-500 rev/min, get mill base to be ground;
2) grind: the mill base to be ground that will configure is squeezed in the sand mill by the sand milling pump and is ground, and operational condition is temperature≤60 ℃, and the control flow is to reach following index: fineness≤50 μ m, viscosity≤90KU;
3) be in harmonious proportion: following material is stirred is in harmonious proportion in order: novolac epoxy F-51, anti-sagging agent HI-1058, epoxide diluent, operational condition is that normal temperature is more than 40 minutes, rotating speed 1000-1500/ divides, to reach following index: fineness≤60 μ m, viscosity≤110KU, solid part 80 ± 2%;
4) packing host;
2. the step of preparation process of solidifying agent:
1) following material is stirred prepare burden in order: dimethylbenzene, propyl carbinol, heavy aromatics, modified aliphatic solidifying agent 2280, operational condition are to stir 20 minutes under the normal temperature, rotating speed 300-500 rev/min, to reach following index: solid part 65 ± 2%;
2) packing solidifying agent.
The actual detection data of above embodiment are as follows:
Treatment process of the present invention is described by specific embodiment.Those skilled in the art can use for reference the links such as content appropriate change raw material of the present invention, processing condition and realize corresponding other purpose, its relevant change does not all break away from content of the present invention, all similarly replace and change apparent to those skilled in the art, all are deemed to be included within the scope of the present invention.
Claims (5)
1. high Heat and corrosion resistant coating, comprise host and solidifying agent, it is characterized in that described host is comprised of following component: novolac epoxy F-51, epoxide diluent, color stuffing and auxiliary agent, wherein color stuffing is comprised of tinting pigment and pigment extender, and auxiliary agent is comprised of anti-settling agent 200x, dispersion agent 301, anti-sagging agent HI-1058; Each component that comprises in the host is counted as follows by weight:
Novolac epoxy F-51:20-40 part;
Epoxide diluent: 10-15 part;
Tinting pigment: 3-7 part;
Pigment extender: 35-70 part;
Auxiliary agent:
Anti-settling agent 200x:1-5 part;
Dispersion agent 301:0.1-1.0 part;
Anti-sagging agent HI-1058:3-10 part.
2. coating as claimed in claim 1 is characterized in that described solidifying agent is comprised of the component of following parts by weight: epoxide diluent: 20-40 part;
Modified aliphatic solidifying agent 2280:60-80 part.
3. coating as claimed in claim 1 or 2, wherein said epoxide diluent is comprised of dimethylbenzene, propyl carbinol, heavy aromatics, counts by weight dimethylbenzene in the epoxide diluent: 30-60 part, propyl carbinol: 25-45 part, heavy aromatics 10-25 part.
4. coating as claimed in claim 1 is characterized in that described pigment extender is counted by weight by following component to form:
Ultra-fine barium sulfate 20-30 part;
Talcum powder 600 order 5-10 parts;
Mica powder 10-30 part.
5. right wants each described coating of 1-4 to use in hot water pipeline or hot water container for storing liquid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210562101.9A CN103013293B (en) | 2012-12-21 | 2012-12-21 | A kind of high Heat and corrosion resistant coating and application thereof |
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| CN201210562101.9A CN103013293B (en) | 2012-12-21 | 2012-12-21 | A kind of high Heat and corrosion resistant coating and application thereof |
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| CN103013293B CN103013293B (en) | 2016-08-03 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267176A (en) * | 2013-06-09 | 2013-08-28 | 王满玉 | Anti-corrosion, high-temperature-resisting and wear-resisting cast pipe |
| CN103289517A (en) * | 2013-06-04 | 2013-09-11 | 苏州艾特斯环保材料有限公司 | O-cresol formaldehyde epoxy resin-containing waterproof heat resisting paint |
| CN104946090A (en) * | 2015-06-22 | 2015-09-30 | 成都拜迪新材料有限公司 | Preparation method for water-borne novolac epoxy anti-corrosion paint |
| CN105038520A (en) * | 2015-08-27 | 2015-11-11 | 无锡华虹信息科技有限公司 | High-efficiency wet flue gas desulphurization system and application method thereof |
| CN106634451A (en) * | 2016-12-28 | 2017-05-10 | 天津嘉石水泥制品有限公司 | Cement pipe internal anticorrosion method, anticorrosion paint and preparation method of anticorrosion paint |
| CN106833262A (en) * | 2016-12-29 | 2017-06-13 | 杭州温格科技有限公司 | Refrigerant pipe protective coating and preparation method thereof |
| CN108219629A (en) * | 2018-01-16 | 2018-06-29 | 中国船舶重工集团公司第七二五研究所 | A kind of seawater desalination evaporators inside cabin protective coating |
| CN116082920A (en) * | 2023-02-13 | 2023-05-09 | 山东奔腾漆业股份有限公司 | Thick coating type water-based epoxy paint for storage tank and preparation method and application thereof |
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| US20100047583A1 (en) * | 2008-08-20 | 2010-02-25 | Miles Michelle S | Automotive substrate having a coating layer system with a barrier coating composition layer |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289517A (en) * | 2013-06-04 | 2013-09-11 | 苏州艾特斯环保材料有限公司 | O-cresol formaldehyde epoxy resin-containing waterproof heat resisting paint |
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| CN106634451A (en) * | 2016-12-28 | 2017-05-10 | 天津嘉石水泥制品有限公司 | Cement pipe internal anticorrosion method, anticorrosion paint and preparation method of anticorrosion paint |
| CN106634451B (en) * | 2016-12-28 | 2019-05-14 | 天津嘉石水泥制品有限公司 | Preserving method, anticorrosive paint and preparation method thereof inside pipe of cement |
| CN106833262A (en) * | 2016-12-29 | 2017-06-13 | 杭州温格科技有限公司 | Refrigerant pipe protective coating and preparation method thereof |
| CN108219629A (en) * | 2018-01-16 | 2018-06-29 | 中国船舶重工集团公司第七二五研究所 | A kind of seawater desalination evaporators inside cabin protective coating |
| CN116082920A (en) * | 2023-02-13 | 2023-05-09 | 山东奔腾漆业股份有限公司 | Thick coating type water-based epoxy paint for storage tank and preparation method and application thereof |
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| CN103013293B (en) | 2016-08-03 |
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