CN104130711A - Elastic epoxy composite anticorrosive material for water-retaining layer in crude oil storage tank, and preparation method thereof - Google Patents
Elastic epoxy composite anticorrosive material for water-retaining layer in crude oil storage tank, and preparation method thereof Download PDFInfo
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Abstract
The invention provides an elastic epoxy composite anticorrosive material for a water-retaining layer in a crude oil storage tank and a preparation method thereof. The epoxy composite anticorrosive material comprises, by weight, 90 to 100 parts of a vinyl resin, 18.5 to 21.5 parts of a glass fiber, 8.5 to 11.5 parts of butadiene-acrylonitrile rubber, 1.5 to 3.5 parts of titanium dioxide, 0.6 to 1.8 parts of phthalocyanine blue, 2 to 4 parts of zinc chrome powder, 0.2 to 0.7 part of an antifoaming agent, 0.2 to 0.4 part of a leveling agent, 0.3 to 0.6 part of a dispersant, 0.6 to 1.2 parts of a curing agent, 0.07 to 0.3 part of a promoter and 0.02 to 0.08 part of an accelerator. The preparation method comprises the following steps: resin modification; powder addition and grinding; addition of other filling materials and auxiliary agents; curing; etc. Thus, the prepared epoxy composite anticorrosive material does not sag and can realize natural leveling during construction, can effectively protect metal surfaces and has excellent resistance to acid, alkali and salt, good heat resistance, strong adhesion, uneasy falling and good mechanical properties.
Description
Technical field
The present invention relates to a kind of anticorrosive, be specifically related to waterbearing stratum elastic epoxy composite anti-corrosion material and preparation method thereof in a kind of crude oil storage tank.
Background technology
Crude oil, in the process of transport and exploitation, due to the infiltration of moisture, easily causes connate water at the bottom of the tank of crude oil storage tank, forms the waterbearing stratum of crude oil storage tank, and waterbearing stratum contains a large amount of activation element sulphur, Cl
~, O
2and acid, these materials are that the crude oil storage tank with electroconductibility has been built good corrosive environment: the one, and easy fouling generates crude, causes gradually preservative coat to come off, and even causes the corrosion failure of annex in tank; The 2nd, from the viewpoint of galvanic corrosion, the hydrogen evolution corrosion that acidity or acidulous material cause, causes producing pitting corrosion or circumerosion, makes the preservative coat position that comes off form the galvanic corrosion environment of " large negative electrode primary anode ", has virtually accelerated again corrosion.
In order to protect crude oil storage tank and to reduce the damage that corrosion brings crude oil storage tank, waterbearing stratum can be used anticorrosive conventionally, and the harm that corrosion is brought drops to minimum.Although adoptable impregnating material kind is a lot, but be relatively short of at aspects such as impelling strength, sticking power, high temperature high voltage resistant and construction convenience, be not well positioned to meet the requirement for anticorrosion in waterbearing stratum in crude oil storage tank, for the safe operation of crude oil storage tank has brought certain risk.
Summary of the invention
The object of this invention is to provide waterbearing stratum elastic epoxy composite anti-corrosion material and preparation method thereof in a kind of crude oil storage tank, to overcome the defect existing in prior art.
For achieving the above object, the present invention by the following technical solutions, the invention provides waterbearing stratum elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank, component by following weight part forms: 90～100 parts of Vinylites, 18.5～21.5 parts, glass fibre, 8.5～11.5 parts of paracrils, 1.5～3.5 parts of titanium dioxides, 0.6～1.8 part of phthalocyanine blue, 2～4 parts of zinc-chrome yellows.
Waterbearing stratum elastic epoxy composite anti-corrosion material in described crude oil storage tank, also comprise the defoamer of 0.2～0.7 part, the flow agent of 0.2～0.4 part, the dispersion agent of 0.3～0.6 part, the solidifying agent of 0.6～1.2 part, the accelerator of the promotor of 0.07～0.3 part and 0.02～0.08 part.
Described Vinylite is 95 parts, and glass fibre is 21 parts, and paracril is 9 parts, and titanium dioxide is 3 parts, phthalocyanine blue is 1.5 parts, and zinc-chrome yellow is 3 parts, and defoamer is 0.4 part, and flow agent is 0.3 part, dispersion agent is 0.5 part, and solidifying agent is 1 part, and promotor is 0.2 part, and accelerator is 0.05 part.
Described defoamer is non-silicon defoamer TECH～430.
Described flow agent is fluorinated acrylate TECH～177.
Described dispersion agent is poly carboxylic acid amine ammonium salt TECH～501.
It is 80% hydrogen phosphide cumene that described solidifying agent adopts mass concentration.
It is 6% cobalt salt that described promotor adopts mass concentration.
It is 100% N,N-DIMETHYLACETAMIDE that described accelerator adopts mass concentration.
The preparation method of elastic epoxy composite anti-corrosion material for waterbearing stratum in a kind of crude oil storage tank, comprise the raw material of following weight proportion: in described crude oil storage tank, waterbearing stratum elastic epoxy composite anti-corrosion material and weight proportion thereof comprise 90～100 parts of Vinylites, 18.5～21.5 parts, glass fibre, 8.5～11.5 parts of paracrils, 1.5～3.5 parts of titanium dioxides, 0.6～1.8 part of phthalocyanine blue, 2～4 parts of zinc-chrome yellows, 0.2～0.7 part of defoamer, 0.2～0.4 part of flow agent, 0.3～0.6 part of dispersion agent, 0.6～1.2 part, solidifying agent, 0.02～0.08 part of 0.07～0.3 part of promotor and accelerator, concrete steps are as follows:
(1) resin modified: heating Vinylite to 105 DEG C～135 DEG C, add paracril, stir, be warming up to 134 DEG C～150 DEG C with the speed of 2 DEG C of per minutes, constant temperature 25min～35min, be warming up to 155 DEG C～168 DEG C with the speed of 2 DEG C of per minutes again, after constant temperature 25min～35min, emit resin solution;
(2) powder adds and grinds: in the resin solution of emitting, add titanium dioxide, zinc-chrome yellow powder, stir 25min～35min, stirred rear injection sand mill and ground, mesh-of-grind is to 25um～40um;
(3) interpolation of other fillers and auxiliary agent: add glass fibre in ground raw material, the speed turning with per minute 1600～2600 is disperseed 30min～40min in dispersion machine, then add phthalocyanine blue, dispersion agent, flow agent, defoamer, then the speed turning with per minute 1500～1700 is disperseed 15min～38min in dispersion machine;
(4) solidify: in the raw material disperseing through dispersion machine, first add solidifying agent, stir 2min～7min with per minute 250～350 rotary speeds, add again promotor, stir 3min～12min with per minute 250～350 rotary speeds, finally add accelerator, stir 3min～12min with per minute 250～350 rotary speeds, complete the preparation of epoxy composite impregnating material;
The add-on of above-mentioned raw materials all adds by formula ratio.
The present invention adopts technique scheme, has the following advantages:
Waterbearing stratum is that one is applied to rot-resistant coated material at the bottom of the interior waterbearing stratum place's tank skin of crude oil storage tank and tank with elastic epoxy composite anti-corrosion material in crude oil storage tank provided by the invention, it is taking Vinylite, glass fibre, paracril, titanium dioxide, phthalocyanine blue, zinc-chrome yellow, defoamer, flow agent and dispersion agent as host, add other solidifying agent, a kind of impelling strength of formation is 7KJ/m
2, viscosity, can be at 0～40 DEG C in about 4000Pa.s, surface drying in 4～8h, in 48 hours, does solid work, and stream, the natural levelling of energy are not hung in construction; Can effectively protect metallic surface, acid-and base-resisting, salt excellent performance, resistance toheat is good; Strong adhesion, incrust, there is waterbearing stratum elastic epoxy composite anti-corrosion material in the storage tank of good mechanical property.
Embodiment
Further waterbearing stratum in a kind of crude oil storage tank is described in detail with elastic epoxy composite anti-corrosion material below in conjunction with embodiment.
Waterbearing stratum elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank, the weight proportion of epoxy composite impregnating material material composition and composition forms according to following composition and proportioning: 90～100 parts of Vinylites, 18.5～21.5 parts, glass fibre, 8.5～11.5 parts of paracrils, 1.5～3.5 parts of titanium dioxides, 0.6～1.8 part of phthalocyanine blue, 2～4 parts of zinc-chrome yellows, also comprise the defoamer of 0.2～0.7 part, the flow agent of 0.2～0.4 part, the dispersion agent of 0.3～0.6 part, the solidifying agent of 0.6～1.2 part, the accelerator of the promotor of 0.07～0.3 part and 0.02～0.08 part.
In described crude oil storage tank, the interpolation of resin modified, powder interpolation and grinding, other fillers and auxiliary agent, curing four steps are divided by the preparation method of elastic epoxy composite anti-corrosion material in waterbearing stratum:
(1) resin modified: heating Vinylite to 105 DEG C～135 DEG C, add paracril, stir, be warming up to 134 DEG C～150 DEG C with the speed of 2 DEG C of per minutes, constant temperature 25min～35min, be warming up to 155 DEG C～168 DEG C with the speed of 2 DEG C of per minutes again, after constant temperature 25min～35min, emit resin solution;
(2) powder adds and grinds: in the resin solution of emitting, add titanium dioxide, zinc-chrome yellow powder, stir 25min～35min, stirred rear injection sand mill and ground, mesh-of-grind is to 25um～40um;
(3) interpolation of other fillers and auxiliary agent: add glass fibre in ground raw material, the speed turning with per minute 1600～2600 is disperseed 30min～40min in dispersion machine, then add phthalocyanine blue, dispersion agent, flow agent, defoamer, then the speed turning with per minute 1500～1700 is disperseed 15min～38min in dispersion machine;
(4) solidify: in the raw material disperseing through dispersion machine, first add solidifying agent, stir 2min～7min with per minute 250～350 rotary speeds, add again promotor, stir 3min～12min with per minute 250～350 rotary speeds, finally add accelerator, stir 3min～12min with per minute 250～350 rotary speeds, complete the preparation of epoxy composite impregnating material.
Embodiment 1
The weight proportion of supplying raw materials according to table 1 is prepared, and selecting Vinylite is 95 parts, and glass fibre is 21 parts, paracril is 9 parts, and titanium dioxide is 3 parts, and phthalocyanine blue is 1.5 parts, zinc-chrome yellow is 3 parts, and defoamer is 0.4 part, and flow agent is 0.3 part, dispersion agent is 0.5 part, solidifying agent is 1 part, and promotor is 0.2 part, and accelerator is 0.05 part, select materials after end, be prepared according to following steps:
(1) resin modified: heat 95 parts of Vinylites to 125 DEG C, add 9 parts of paracrils, stir, be warming up to 141 DEG C with the speed of 2 DEG C of per minutes, constant temperature 31min, then be warming up to 162 DEG C with the speed of 2 DEG C of per minutes, after constant temperature 31min, emit resin solution;
(2) powder adds and grinds: in the resin solution of emitting, add 3 parts of titanium dioxides, 3 parts of zinc-chrome yellow powders, stir 31min, stirred rear injection sand mill and ground, mesh-of-grind is to 30um;
(3) interpolation of other fillers and auxiliary agent: add 21 parts of glass fibre in ground raw material, the speed turning with per minute 2200 is disperseed 39min in dispersion machine, then add 1.5 parts of phthalocyanine blues, 0.6 part of dispersion agent, 0.4 part of flow agent, 0.4 part of defoamer, the speed turning with per minute 1600 is again disperseed 25min in dispersion machine, through dispersion machine, the raw material after row disperses carries out packing, packaging;
(4) solidify: in the time that needs use, unpack, raw material in packaging is poured in vessel, in the raw material disperseing through dispersion machine, first add 1 part of solidifying agent, stir 6min with per minute 310 rotary speeds, adding is 0.2 part of promotor again, stir 6min with per minute 310 rotary speeds, finally add 0.05 part of accelerator, stir 6min with per minute 320 rotary speeds, material after overcuring is exactly the elastic epoxy composite anti-corrosion material that needs preparation, only this material need to be coated onto to the tank skin in the waterbearing stratum in crude oil storage tank.
The present invention adopts the epoxy composite impregnating material of above-mentioned composition and proportioning and preparation method thereof preparation, has good antiseptic property, (concrete numeric reference table two), and easy construction.
Concrete, in crude oil storage tank, waterbearing stratum is as follows with the formula table of elastic epoxy composite anti-corrosion material:
The concrete specifications and models table of elastic epoxy composite anti-corrosion material formula for waterbearing stratum in table 1 crude oil storage tank
Xi'an product quality supervision and inspection institute has carried out quality supervision and test to the product of above-described embodiment, examining report numbering: H1601186, and assay is as follows:
Elastic epoxy composite anti-corrosion material salient features table for waterbearing stratum in the crude oil storage tank of table 2 embodiment of the present invention
Embodiment 2
Use the preparation method in similar embodiment 1, adopt following weight proportion, carry out the preparation of epoxy composite impregnating material:
(1) resin modified: heat 90 parts of Vinylites to 105 DEG C, add 8.5 parts of paracrils, stir, be warming up to 134 DEG C with the speed of 2 DEG C of per minutes, constant temperature 25min, then be warming up to 155 DEG C with the speed of 2 DEG C of per minutes, after constant temperature 25min, emit resin solution;
(2) powder adds and grinds: in the resin solution of emitting, add 1.5 parts of titanium dioxides, 2 parts of zinc-chrome yellow powders, stir 25min, stirred rear injection sand mill and ground, mesh-of-grind is to 25um;
(3) interpolation of other fillers and auxiliary agent: add 18.5 parts of glass fibre in ground raw material, the speed turning with per minute 1600 is disperseed 30min in dispersion machine, then add 0.6 part of phthalocyanine blue, 0.3 part of dispersion agent, 0.2 part of flow agent, 0.2 part of defoamer, the speed turning with per minute 1500 is again disperseed 15min in dispersion machine, through dispersion machine, the raw material after row disperses carries out packing, packaging;
(4) solidify: in the time that needs use, unpack, raw material in packaging is poured in vessel, in the raw material disperseing through dispersion machine, first add 0.6 part of solidifying agent, stir 2min with per minute 250 rotary speeds, adding is 0.07 part of promotor again, stir 3min with per minute 250 rotary speeds, finally add 0.02 part of accelerator, stir 3min with per minute 250 rotary speeds, material after overcuring is exactly the elastic epoxy composite anti-corrosion material that needs preparation, only this material need to be coated onto to the tank skin in the waterbearing stratum in crude oil storage tank.
Its effect of the present embodiment impregnating material is consistent with the table 2 of embodiment 1.
Embodiment 3
Use the preparation method in similar embodiment 1, adopt following weight proportion, carry out the preparation of epoxy composite impregnating material:
(1) resin modified: heat 100 parts of Vinylites to 135 DEG C, add 11.5 parts of paracrils, stir, be warming up to 150 DEG C with the speed of 2 DEG C of per minutes, constant temperature 35min, then be warming up to 168 DEG C with the speed of 2 DEG C of per minutes, after constant temperature 35min, emit resin solution;
(2) powder adds and grinds: in the resin solution of emitting, add 3.5 parts of titanium dioxides, 4 parts of zinc-chrome yellow powders, stir 35min, stirred rear injection sand mill and ground, mesh-of-grind is to 40um;
(3) interpolation of other fillers and auxiliary agent: add 21.5 parts of glass fibre in ground raw material, the speed turning with per minute 2600 is disperseed 40min in dispersion machine, then add 1.8 parts of phthalocyanine blues, 0.6 part of dispersion agent, 0.4 part of flow agent, 0.7 part of defoamer, the speed turning with per minute 1700 is again disperseed 38min in dispersion machine, through dispersion machine, the raw material after row disperses carries out packing, packaging;
(4) solidify: in the time that needs use, unpack, raw material in packaging is poured in vessel, in the raw material disperseing through dispersion machine, first add 1.2 parts of solidifying agent, stir 7min with per minute 350 rotary speeds, adding is 0.3 part of promotor again, stir 12min with per minute 350 rotary speeds, finally add 0.08 part of accelerator, stir 12min with per minute 350 rotary speeds, material after overcuring is exactly the elastic epoxy composite anti-corrosion material that needs preparation, only this material need to be coated onto to the tank skin in the waterbearing stratum in crude oil storage tank.
Its effect of the present embodiment impregnating material is consistent with the table 2 of embodiment 1.
In the above-described embodiment, defoamer, flow agent, dispersion agent are all from Shanghai Tag Polymer Sciences Ltd., specific address is Room 602, No. 665 Dehong mansions, Zhangjiang road, Pudong New Area, Shanghai, and concrete model is that defoamer adopts non-silicon defoamer TECH-430; Flow agent adopts fluorinated acrylate TECH-177; In dispersion agent embodiment, adopt poly carboxylic acid amine ammonium salt TECH-501;
Vinylite, paracril, phthalocyanine blue, solidifying agent, accelerator are all from selecting upper latitude (Shanghai) Fine Chemical Co., Ltd, No. 118, Song Sheng road, CompanyAddress's Shanghai Songjiang manufacturing district; Concrete model, Vinylite adopts SWANCOR908 resin; Paracril adopts CTBN; Phthalocyanine blue is selected Vinylite type; Solidifying agent adopts concentration 80% hydrogen phosphide cumene; Accelerator adopts concentration 100% N,N-DIMETHYLACETAMIDE.
Titanium dioxide is selected Beijing Orient Rui Xiang commerce and trade company limited supply Dupont titanium dioxide, No. 9, Beiwei Lu, Xuanwu District, address Beijing, employing be the titanium dioxide of rutile R type.
Zinc chrome bloom is selected
shanghai courser Chemical Co., Ltd.the concentration of producing is the zinc chrome bloom of 35%～45% CrO3, and specific address is No. 2299, Zhongshan North Road, Putuo District, Shanghai.
Glass fibre is selected 1～2mm non-alkali glass powder;
It is 6% cobalt salt that promotor adopts concentration, and cobalt salt can be CoX
2, CoF
2, CoCl
2, CoBr
2, CoI
2, CoCO
3, Co (NO
3)
2, CoSO
4in any one.
Waterbearing stratum is that one is applied to rot-resistant coated material at the bottom of the interior waterbearing stratum place's tank skin of crude oil storage tank and tank with elastic epoxy composite anti-corrosion material in crude oil storage tank provided by the invention, it is taking Vinylite, glass fibre, paracril, titanium dioxide, phthalocyanine blue, zinc-chrome yellow, defoamer, flow agent and dispersion agent as host, add other solidifying agent, a kind of impelling strength of formation is 7KJ/m
2, viscosity, can be at 0～40 DEG C in about 4000Pa.s, surface drying in 4～8h, in 48 hours, does solid work, and stream, the natural levelling of energy are not hung in construction; Can effectively protect metallic surface, acid-and base-resisting, salt excellent performance, resistance toheat is good; Strong adhesion, incrust, there is waterbearing stratum elastic epoxy composite anti-corrosion material in the storage tank of good mechanical property.
The raw material of above-described embodiment also can directly be buied from market.Concentration is mass percent concentration.
More than exemplifying is only to illustrate of the present invention, does not form the restriction to protection scope of the present invention, within the every and same or analogous design of the present invention all belongs to protection scope of the present invention.
Claims (10)
1. waterbearing stratum elastic epoxy composite anti-corrosion material in a crude oil storage tank, it is characterized in that: the component by following weight part forms: 90～100 parts of Vinylites, 18.5～21.5 parts, glass fibre, 8.5～11.5 parts of paracrils, 1.5～3.5 parts of titanium dioxides, 0.6～1.8 part of phthalocyanine blue, 2～4 parts of zinc-chrome yellows.
2. waterbearing stratum elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank as claimed in claim 1, it is characterized in that: waterbearing stratum elastic epoxy composite anti-corrosion material in described crude oil storage tank, also comprise the defoamer of 0.2～0.7 part, the flow agent of 0.2～0.4 part, the dispersion agent of 0.3～0.6 part, the solidifying agent of 0.6～1.2 part, the accelerator of the promotor of 0.07～0.3 part and 0.02～0.08 part.
3. waterbearing stratum elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank as claimed in claim 1 or 2, is characterized in that: described Vinylite is 95 parts, and glass fibre is 21 parts, paracril is 9 parts, titanium dioxide is 3 parts, and phthalocyanine blue is 1.5 parts, and zinc-chrome yellow is 3 parts, defoamer is 0.4 part, flow agent is 0.3 part, and dispersion agent is 0.5 part, and solidifying agent is 1 part, promotor is 0.2 part, and accelerator is 0.05 part.
4. waterbearing stratum elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank as claimed in claim 1, is characterized in that: described defoamer is non-silicon defoamer TECH～430.
5. waterbearing stratum elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank as claimed in claim 1, is characterized in that: described flow agent is fluorinated acrylate TECH～177.
6. waterbearing stratum elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank as claimed in claim 1, is characterized in that: described dispersion agent is poly carboxylic acid amine ammonium salt TECH～501.
7. waterbearing stratum elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank as claimed in claim 1, is characterized in that: it is 80% hydrogen phosphide cumene that described solidifying agent adopts mass concentration.
8. waterbearing stratum elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank as claimed in claim 1, is characterized in that: it is 6% cobalt salt that described promotor adopts mass concentration.
9. waterbearing stratum elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank as claimed in claim 1, is characterized in that: it is 100% N,N-DIMETHYLACETAMIDE that described accelerator adopts mass concentration.
10. the preparation method of waterbearing stratum use elastic epoxy composite anti-corrosion material in a crude oil storage tank, it is characterized in that: in described crude oil storage tank, waterbearing stratum elastic epoxy composite anti-corrosion material and weight proportion thereof comprise 90～100 parts of Vinylites, 18.5～21.5 parts, glass fibre, 8.5～11.5 parts of paracrils, 1.5～3.5 parts of titanium dioxides, 0.6～1.8 part of phthalocyanine blue, 2～4 parts of zinc-chrome yellows, 0.2～0.7 part of defoamer, 0.2～0.4 part of flow agent, 0.3～0.6 part of dispersion agent, 0.6～1.2 part, solidifying agent, 0.02～0.08 part of 0.07～0.3 part of promotor and accelerator,
Concrete steps are as follows:
(1) resin modified: heating Vinylite to 105 DEG C～135 DEG C, add paracril, stir, be warming up to 134 DEG C～150 DEG C with the speed of 2 DEG C of per minutes, constant temperature 25min～35min, be warming up to 155 DEG C～168 DEG C with the speed of 2 DEG C of per minutes again, after constant temperature 25min～35min, emit resin solution;
(2) powder adds and grinds: in the resin solution of emitting, add titanium dioxide, zinc-chrome yellow powder, stir 25min～35min, stirred rear injection sand mill and ground, mesh-of-grind is to 25um～40um;
(3) interpolation of other fillers and auxiliary agent: add glass fibre in ground raw material, the speed turning with per minute 1600～2600 is disperseed 30min～40min in dispersion machine, then add phthalocyanine blue, dispersion agent, flow agent, defoamer, then the speed turning with per minute 1500～1700 is disperseed 15min～38min in dispersion machine;
(4) solidify: in the raw material disperseing through dispersion machine, first add solidifying agent, stir 2min～7min with per minute 250～350 rotary speeds, add again promotor, stir 3min～12min with per minute 250～350 rotary speeds, finally add accelerator, stir 3min～12min with per minute 250～350 rotary speeds, complete the preparation of epoxy composite impregnating material;
The add-on of above-mentioned raw materials all adds by formula ratio.
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Cited By (1)
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| CN115850612A (en) * | 2022-12-09 | 2023-03-28 | 招商局重庆交通科研设计院有限公司 | Manufacturing method of weather-resistant and salt fog-resistant FRP unit for bridge collision avoidance |
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| CN102690586A (en) * | 2011-03-24 | 2012-09-26 | 北京化工大学 | Heavy-duty anticorrosive coating for flue gas desulphurization equipment and preparation technology thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115850612A (en) * | 2022-12-09 | 2023-03-28 | 招商局重庆交通科研设计院有限公司 | Manufacturing method of weather-resistant and salt fog-resistant FRP unit for bridge collision avoidance |
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