CN100582178C - Modified chlorosulphonated polyethylene rubber paint for steel storage tank and preparation method thereof - Google Patents
Modified chlorosulphonated polyethylene rubber paint for steel storage tank and preparation method thereof Download PDFInfo
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- CN100582178C CN100582178C CN 200810115544 CN200810115544A CN100582178C CN 100582178 C CN100582178 C CN 100582178C CN 200810115544 CN200810115544 CN 200810115544 CN 200810115544 A CN200810115544 A CN 200810115544A CN 100582178 C CN100582178 C CN 100582178C
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Abstract
The invention relates to a modified chlorosulfonated polyethylene rubber coating used for steel storage tanks and a preparation method thereof. The coating comprises a component A and a component B, wherein the component A is composed of chlorosulfonated polyethylene rubber, dimethylbenzene, trimethylbenzene, titanium white powder, talc powder, fluorocarbon-modified polyacrylamide and organic bentonite; and the component B is composed of bisphenol-A epoxy resin, dimethylbenzene, n-butanol, diphenyl guanidine (manufactured by Dongbei Auxiliary general factory, Shenyang) and ethylenethiourea. The component A and the component B are mixed and cured to form a coating film before application. The coating is excellent in physical property, chemical resistance, salt spray resistance and light fastness, and can be used for the surface protection and coating of steel storage tanks in various corrosive environments.
Description
Technical field
The present invention relates to a kind of protection of steel storage tank outside surface under the various corrosive environments and modification chloro-sulfonated polyethylene rubber coating of application and preparation method thereof of being used for.
Background technology
Existing steel storage tank outside surface adopts the coating of synthetic resin coating, its weak point is that salt spray resistance and light aging resisting property are not good, pitting and variable color efflorescence easily take place in coating, make coating by lining and outer coming off, the coating of employing synthetic resin coating is manually quickened salt-fog test and is generally 500h, manually quickens the light aging resisting test and is generally 600h.
Summary of the invention
The technical problem to be solved in the present invention: avoid above-mentioned weak point of the prior art and provide that a kind of manufacture method is easy, the Air drying film forming, its steel storage tank with excellent physicals, chemical-resistant, salt fog resistance, light fastness aging of filming is with modification chloro-sulfonated polyethylene rubber coating and preparation method thereof.
The technical solution used in the present invention: steel storage tank modification chloro-sulfonated polyethylene rubber coating of the present invention, it is characterized in that being made up of A agent and B agent, wherein the A agent is made up of the chlorosulfonated polyethylene rubber of 1 weight part, the dimethylbenzene of 1.5～3.0 weight parts, the trimethylbenzene of 1.0～2.0 weight parts, the titanium dioxide of 0.1～0.5 weight part, the talcum powder of 0.2～0.8 weight part, the fluorine-carbon modified polyacrylic ester of 0.01～0.04 weight part, the organobentonite of 0.02～0.05 weight part; Wherein the B agent is made up of the bisphenol A type epoxy resin of 1 weight part, the dimethylbenzene of 1.0～4.0 weight parts, the propyl carbinol of 0.5～1.5 weight part, the vulkacit D of 0.05～0.25 weight part, the ethylene thiourea of 0.02～0.20 weight part, ingredient groups becomes the A agent of 1 weight part during use, the B agent of 0.1～0.3 weight part.
More excellent modified chlorosulphonated polyethylene rubber paint for steel storage tank, it is characterized in that being made up of A agent and B agent, wherein the A agent is made up of the chlorosulfonated polyethylene rubber of 1 weight part, the dimethylbenzene of 3.0 weight parts, the trimethylbenzene of 1.2 weight parts, the titanium dioxide of 0.2 weight part, the talcum powder of 0.4 weight part, the fluorine-carbon modified polyacrylic ester of 0.02 weight part, the organobentonite of 0.02 weight part; Wherein the B agent is made up of the bisphenol A type epoxy resin of 1 weight part, the dimethylbenzene of 3.5 weight parts, the propyl carbinol of 1.0 weight parts, the vulkacit D of 0.1 weight part, the ethylene thiourea of 0.12 weight part, ingredient groups becomes the A agent of 1 weight part during use, the B agent of 0.25 weight part.
The manufacture method of modified chlorosulphonated polyethylene rubber paint for steel storage tank, it is characterized in that by chlorosulfonated polyethylene rubber 1 weight part, the chlorosulfonated polyethylene rubber of 1 weight part is joined the dimethylbenzene of 1.5～3.0 weight parts, 1.0 in the trimethylbenzene mixed solvent of～2.0 weight parts, stirring at low speed is even at normal temperatures, behind high speed dispersion 5～7h, the titanium dioxide that under condition of stirring, adds 0.1～0.5 weight part, 0.2 the talcum powder of～0.8 weight part, 0.01 the fluorine-carbon modified polyacrylic ester of～0.04 weight part, 0.02 the organobentonite of～0.05 weight part, disperse to grind 1～2h, the A agent of making this coating with sand mill behind 0.5～1h; In the bisphenol A type epoxy resin of 1 weight part, add the dimethylbenzene of 1.0～4.0 weight parts and the propyl carbinol of 0.5～1.5 weight part, mix, under the situation of high-speed stirring, add the vulkacit D of 0.05～0.25 weight part, the ethylene thiourea of 0.02～0.20 weight part, disperse 0.5～1h, mix the B agent of making in this coating, the B agent of the A agent of 1 weight part, 0.1～0.3 weight part is mixed and is made modified chlorosulphonated polyethylene rubber paint for steel storage tank during use.
The manufacture method of more excellent modified chlorosulphonated polyethylene rubber paint for steel storage tank, it is characterized in that: by chlorosulfonated polyethylene rubber 1 weight part, the chlorosulfonated polyethylene rubber of 1 weight part is joined the dimethylbenzene of 3.0 weight parts, 1.2 in the trimethylbenzene mixed solvent of weight part, stirring at low speed is even at normal temperatures, behind the high speed dispersion 5h, the titanium dioxide that under condition of stirring, adds 0.2 weight part, 0.4 the talcum powder of weight part, 0.02 the fluorine-carbon modified polyacrylic ester of weight part, 0.02 the organobentonite of weight part, disperse to grind 1h with sand mill behind the 0.5h, make the A agent of this coating; In the bisphenol A type epoxy resin of 1 weight part, add the dimethylbenzene of 3.5 weight parts and the propyl carbinol of 1.0 weight parts, mix, under the situation of high-speed stirring, add the vulkacit D of 0.1 weight part, the ethylene thiourea of 0.12 weight part, disperse 0.5h, mix the B agent of making in this coating, the B agent of the A agent of 1 weight part, 0.25 weight part is mixed and is made modified chlorosulphonated polyethylene rubber paint for steel storage tank during use.
Described fluorine-carbon modified polyacrylic ester is fluorine-carbon modified polyacrylic ester of AFCONA-3777 or the fluorine-carbon modified polyacrylic ester of EFKA-3777.
Described ethylene thiourea is the NA-22 ethylene thiourea.
Described organobentonite is an organobentonite 881.
Modified chlorosulphonated polyethylene rubber paint for steel storage tank of the present invention is to add a certain amount of mixed solvent, a certain amount of auxiliary agent, the formulated A agent of a certain amount of color stuffing by chlorosulfonated polyethylene rubber; Form by the B agent that bisphenol A type epoxy resin adding dimethylbenzene, propyl carbinol, vulkacit D, ethylene thiourea are made, during use A agent and the mixing cured formation of B agent are filmed.The chlorosulfonated polyethylene rubber that uses is raw material with polyethylene, react with chlorine and sulfurous gas and to make, because its molecular structure is the complete saturation type rubber that does not contain double bond structure with polyethylene as main chain, thereby it is the same with other saturation type rubber, the performance of weathering resistance, resistance to deterioration, ozone resistance and chemical-resistant, especially antioxidant is excellent more; The existence of chlorine atom in the molecular structure can strengthen salt fog resistance, oil-proofness, anti-combustion, the solvent resistance of filming and improve physical and mechanical properties.The fluorine-carbon modified polyacrylic ester that uses can provide dispersed efficiently to color stuffing, improves dispersing of pigments efficient, makes dope viscosity stable.The organobentonite that uses helps to improve the thixotropy and the application property of coating, improves the stability in storage of coating.Solidifying agent by bisphenol A type epoxy resin adding dimethylbenzene, propyl carbinol, vulkacit D, ethylene thiourea are made has good consistency, curing at normal temperatures can form and have filming of excellent weather resistance, chemerosiveness resistent with chlorosulfonated polyethylene rubber.A large amount of hydroxyls and ether isopolarity group are arranged in the bisphenol A type epoxy resin molecular structure that uses in the solidifying agent, active epoxy group(ing) can form very firm chemical bond with the interface metal atomic reaction in solidification process, strengthened the sticking power of coating and base material, and made that coating is hard, snappiness good.The rubber accelerator vulkacit D and the ethylene thiourea that use with the chlorosulfonyl accelerated reaction, form stable cross-linked network, improve the stability of filming.
The present invention's beneficial effect compared with prior art
1, steel storage tank modification chloro-sulfonated polyethylene rubber coating of the present invention, have the film forming characteristics of Air drying, its coating has excellent physical and mechanical performance, chemical-resistant, salt fog resistance, light fastness aging, wherein artificial accelerated aging test reaches 1000h, manually quickens salt-fog resistant test and reaches 1000h.Can be applicable to the protection and the application of the steel storage tank outside surface in the various corrosive environments.
2, steel storage tank of the present invention modification chloro-sulfonated polyethylene rubber coating and preparation method thereof, technology is simple, need not specific installation.
3, the steel storage tank of the present invention ratio of performance to price height of modification chloro-sulfonated polyethylene rubber coating.
Embodiment
Embodiment 1
The steel storage tank of present embodiment 1 with the manufacturing processed of modification chloro-sulfonated polyethylene rubber coating is: in stainless charging basket, by chlorosulfonated polyethylene rubber 1 weight part, the chlorosulfonated polyethylene rubber of 1 weight part is joined the dimethylbenzene of 3.0 weight parts, in the trimethylbenzene mixed solvent of 1 weight part, stirring at low speed is even at normal temperatures, behind the high speed dispersion 5h, the titanium dioxide that under condition of stirring, adds 0.1 weight part, 0.2 the talcum powder of weight part, 0.02 the fluorine-carbon modified polyacrylic ester of the AFCONA-3777 of weight part, 0.02 the organobentonite 881 of weight part, disperse to grind 1h with sand mill behind the 0.5h, make the A agent of this coating; In the bisphenol A type epoxy resin of 1 weight part, add the dimethylbenzene of 3.5 weight parts and the propyl carbinol of 0.8 weight part, mix, under the situation of high-speed stirring, add the vulkacit D of 0.1 weight part, the NA-22 ethylene thiourea of 0.1 weight part, disperse 0.5h, mix the B agent of making in this coating, the B agent of the A agent of 1 weight part, 0.25 weight part is mixed and is made modified chlorosulphonated polyethylene rubber paint for steel storage tank during use.This coating has the film forming characteristics of Air drying, and its film flexibility is 1mm; Shock strength is 50cm; Sticking power is 1 grade; Chemicals-resistant immersion property (10% hydrochloric acid, 10% sodium hydroxide, 3% sodium-chlor) 60 days coatings are intact; Artificial accelerated aging test 1000h coating is intact; Artificial acceleration salt-fog test 1000h coating is intact, and its performance is that common chloro-sulfonated polyethylene rubber coating is incomparable.The raw materials used commercially available product that all adopts.
Ethylene thiourea (accelerant N A-22): Dongbei Assistant General Factory, Shenyang
Dust husband Kona auxiliary agent company limited produces the fluorine-carbon modified polyacrylic ester of AFCONA-3777.
Auxiliary reagent factory, Linan, Zhejiang produces organobentonite 881.
Embodiment 2
The steel storage tank of present embodiment 2 with the manufacturing processed of modification chloro-sulfonated polyethylene rubber coating is: in stainless charging basket, by chlorosulfonated polyethylene rubber 1 weight part, the chlorosulfonated polyethylene rubber of 1 weight part is joined the dimethylbenzene of 2.5 weight parts, 1.5 in the trimethylbenzene mixed solvent of weight part, stirring at low speed is even at normal temperatures, behind the high speed dispersion 5h, the titanium dioxide that under condition of stirring, adds 0.2 weight part, 0.3 the talcum powder of weight part, 0.01 the fluorine-carbon modified polyacrylic ester of the EFKA-3777 of weight part, 0.03 the organobentonite 881 of weight part, disperse to grind 1h with sand mill behind the 0.5h, make the A agent of this coating; In the bisphenol A type epoxy resin of 1 weight part, add the dimethylbenzene of 3.5 weight parts and the propyl carbinol of 0.8 weight part, mix, under the situation of high-speed stirring, add the vulkacit D of 0.1 weight part, the NA-22 ethylene thiourea of 0.1 weight part, disperse 0.5h, mix the B agent of making in this coating, the B agent of the A agent of 1 weight part, 0.25 weight part is mixed and is made modified chlorosulphonated polyethylene rubber paint for steel storage tank during use.This coating has the film forming characteristics of Air drying, and its film flexibility is 1mm; Shock strength is 50cm; Sticking power is 1 grade; Chemicals-resistant immersion property (10% hydrochloric acid, 10% sodium hydroxide, 3% sodium-chlor) 60 days coatings are intact; Artificial accelerated aging test 1000h coating is intact; Artificial acceleration salt-fog test 1000h coating is intact, and its performance is that common chloro-sulfonated polyethylene rubber coating is incomparable.
Shanghai permanent sunlight chemical industry company limited produces the fluorine-carbon modified polyacrylic ester of EFKA-3777.
Embodiment 3
The steel storage tank of present embodiment 3 with the manufacturing processed of modification chloro-sulfonated polyethylene rubber coating is: in stainless charging basket, by chlorosulfonated polyethylene rubber 1 weight part, the chlorosulfonated polyethylene rubber of 1 weight part is joined the dimethylbenzene of 2.0 weight parts, 2..1 in the trimethylbenzene mixed solvent of weight part, stirring at low speed is even at normal temperatures, behind the high speed dispersion 5h, the titanium dioxide that under condition of stirring, adds 0.18 weight part, 0.25 the talcum powder of weight part, 0.03 the fluorine-carbon modified polyacrylic ester of the AFCONA-3777 of weight part, 0.05 the organobentonite of weight part, disperse to grind 1h with sand mill behind the 0.5h, make the A agent of this coating; In the bisphenol A type epoxy resin of 1 weight part, add the dimethylbenzene of 3.5 weight parts and the propyl carbinol of 0.8 weight part, mix, under the situation of high-speed stirring, add the vulkacit D of 0.1 weight part, the ethylene thiourea of 0.1 weight part, disperse 0.5h, mix the B agent of making in this coating, the B agent of the A agent of 1 weight part, 0.25 weight part is mixed and is made modified chlorosulphonated polyethylene rubber paint for steel storage tank during use.This coating has the film forming characteristics of Air drying, and its film flexibility is 1mm; Shock strength is 50cm; Sticking power is 1 grade; Chemicals-resistant immersion property (10% hydrochloric acid, 10% sodium hydroxide, 3% sodium-chlor) 60 days coatings are intact; Artificial accelerated aging test 1000h coating is intact; Artificial acceleration salt-fog test 1000h coating is intact, and its performance is that common chloro-sulfonated polyethylene rubber coating is incomparable.
Claims (7)
1, a kind of modified chlorosulphonated polyethylene rubber paint for steel storage tank, it is characterized in that being made up of A agent and B agent, wherein the A agent is made up of the chlorosulfonated polyethylene rubber of 1 weight part, the dimethylbenzene of 1.5～3.0 weight parts, the trimethylbenzene of 1.0～2.0 weight parts, the titanium dioxide of 0.1～0.5 weight part, the talcum powder of 0.2～0.8 weight part, the fluorine-carbon modified polyacrylic ester of 0.01～0.04 weight part, the organobentonite of 0.02～0.05 weight part; Wherein the B agent is made up of the bisphenol A type epoxy resin of 1 weight part, the dimethylbenzene of 1.0～4.0 weight parts, the propyl carbinol of 0.5～1.5 weight part, the vulkacit D of 0.05～0.25 weight part, the ethylene thiourea of 0.02～0.20 weight part, ingredient groups becomes the A agent of 1 weight part during use, the B agent of 0.1～0.3 weight part.
2, a kind of modified chlorosulphonated polyethylene rubber paint for steel storage tank according to claim 1, it is characterized in that being made up of A agent and B agent, wherein the A agent is made up of the chlorosulfonated polyethylene rubber of 1 weight part, the dimethylbenzene of 3.0 weight parts, the trimethylbenzene of 1.2 weight parts, the titanium dioxide of 0.2 weight part, the talcum powder of 0.4 weight part, the fluorine-carbon modified polyacrylic ester of 0.02 weight part, the organobentonite of 0.02 weight part; Wherein the B agent is made up of the bisphenol A type epoxy resin of 1 weight part, the dimethylbenzene of 3.5 weight parts, the propyl carbinol of 1.0 weight parts, the vulkacit D of 0.1 weight part, the ethylene thiourea of 0.12 weight part, ingredient groups becomes the A agent of 1 weight part during use, the B agent of 0.25 weight part.
3, modified chlorosulphonated polyethylene rubber paint for steel storage tank according to claim 1 and 2 is characterized in that: described fluorine-carbon modified polyacrylic ester is fluorine-carbon modified polyacrylic ester of AFCONA-3777 or the fluorine-carbon modified polyacrylic ester of EFKA-3777.
4, modified chlorosulphonated polyethylene rubber paint for steel storage tank according to claim 1 and 2 is characterized in that: described ethylene thiourea is the NA-22 ethylene thiourea.
5, modified chlorosulphonated polyethylene rubber paint for steel storage tank according to claim 1 and 2 is characterized in that: described organobentonite is an organobentonite 881.
6, the preparation method of modified chlorosulphonated polyethylene rubber paint for steel storage tank according to claim 1, it is characterized in that: by chlorosulfonated polyethylene rubber 1 weight part, the chlorosulfonated polyethylene rubber of 1 weight part is joined the dimethylbenzene of 1.5～3.0 weight parts, 1.0 in the trimethylbenzene mixed solvent of～2.0 weight parts, stirring at low speed is even at normal temperatures, behind high speed dispersion 5～7h, the titanium dioxide that under condition of stirring, adds 0.1～0.5 weight part, 0.2 the talcum powder of～0.8 weight part, 0.01 the fluorine-carbon modified polyacrylic ester of～0.04 weight part, 0.02 the organobentonite of～0.05 weight part, disperse to grind 1～2h, the A agent of making this coating with sand mill behind 0.5～1h; In the bisphenol A type epoxy resin of 1 weight part, add the dimethylbenzene of 1.0～4.0 weight parts and the propyl carbinol of 0.5～1.5 weight part, mix, under the situation of high-speed stirring, add the vulkacit D of 0.05～0.25 weight part, the ethylene thiourea of 0.02～0.20 weight part, disperse 0.5～1h, mix the B agent of making in this coating, the B agent of the A agent of 1 weight part, 0.1～0.3 weight part is mixed and is made modified chlorosulphonated polyethylene rubber paint for steel storage tank during use.
7, the preparation method of modified chlorosulphonated polyethylene rubber paint for steel storage tank according to claim 6, it is characterized in that: by chlorosulfonated polyethylene rubber 1 weight part, the chlorosulfonated polyethylene rubber of 1 weight part is joined the dimethylbenzene of 3.0 weight parts, 1.2 in the trimethylbenzene mixed solvent of weight part, stirring at low speed is even at normal temperatures, behind the high speed dispersion 5h, the titanium dioxide that under condition of stirring, adds 0.2 weight part, 0.4 the talcum powder of weight part, 0.02 the fluorine-carbon modified polyacrylic ester of weight part, 0.02 the organobentonite of weight part, disperse to grind 1h with sand mill behind the 0.5h, make the A agent of this coating; In the bisphenol A type epoxy resin of 1 weight part, add the dimethylbenzene of 3.5 weight parts and the propyl carbinol of 1.0 weight parts, mix, under the situation of high-speed stirring, add the vulkacit D of 0.1 weight part, the ethylene thiourea of 0.12 weight part, disperse 0.5h, mix the B agent of making in this coating, the B agent of the A agent of 1 weight part, 0.25 weight part is mixed and is made modified chlorosulphonated polyethylene rubber paint for steel storage tank during use.
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| CN 200810115544 CN100582178C (en) | 2008-06-25 | 2008-06-25 | Modified chlorosulphonated polyethylene rubber paint for steel storage tank and preparation method thereof |
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| CN 200810115544 CN100582178C (en) | 2008-06-25 | 2008-06-25 | Modified chlorosulphonated polyethylene rubber paint for steel storage tank and preparation method thereof |
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| CN100582178C true CN100582178C (en) | 2010-01-20 |
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Cited By (1)
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| CN101942153B (en) * | 2010-10-22 | 2012-07-04 | 南京长江涂料有限公司 | Single-component chlorosulfonated polyethylene anticorrosive paint and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971897A (en) * | 2014-04-18 | 2014-08-06 | 陆霞芸 | Novel R-type iron core used for nuclear power station |
| CN103971897B (en) * | 2014-04-18 | 2016-06-15 | 奉化市飞天人精密模具设计有限公司 | Used in nuclear power station R sections core |
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