CN104130711B - Water-bearing layer elastic epoxy composite anti-corrosion material and preparation method thereof in a kind of crude oil storage tank - Google Patents
Water-bearing layer elastic epoxy composite anti-corrosion material and preparation method thereof in a kind of crude oil storage tank Download PDFInfo
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Abstract
The invention provides water-bearing layer elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank, it is made up of the component of following weight portion: vinylite 90～100 parts, glass fibre 18.5～21.5 parts, nitrile rubber 8.5～11.5 parts, titanium dioxide 1.5～3.5 parts, phthalocyanine blue 0.6～1.8 parts, zinc yellow 2～4 parts, also include the defoamer of 0.2～0.7 part, the levelling agent of 0.2～0.4 part, the dispersant of 0.3～0.6 part, the firming agent of 0.6～1.2 part, the accelerator of 0.07～0.3 part and the accelerator of 0.02～0.08 part.Being prepared according to steps such as resin modified, powder interpolation and grinding, other fillers and the interpolation of auxiliary agent, solidifications, stream, the natural levelling of energy are not hung in the construction of this epoxy composite anti-corrosion material；Can effectively protect metal surface, acid and alkali resistance, salt excellent performance, heat resistance is good；Adhesive force is strong, is difficult to peel off, has water-bearing layer elastic epoxy composite anti-corrosion material in the storage tank of preferable mechanical property.
Description
Technical field
The present invention relates to a kind of anticorrosive, in being specifically related to a kind of crude oil storage tank, water-bearing layer elastic epoxy is compound anti-
Rotten material and preparation method thereof.
Background technology
Crude oil, during transport and exploitation, due to the infiltration of moisture, easily causes connate water the tank bottoms of crude oil storage tank,
Forming the water-bearing layer of crude oil storage tank, water-bearing layer is contained within substantial amounts of activation element sulphur, Cl~、O2And acid, these materials
Good corrosive environment has been built: one is that easy fouling generates crud, gradually leads for having the crude oil storage tank of electric conductivity
Cause anticorrosive coat comes off, and even causes the corrosion failure of adnexa in tank；Two is from the viewpoint of electrochemical corrosion, acid or weak acid
Property the hydrogen evolution corrosion that causes of material, result in pitting corrosion or circumdenudation, make the anticorrosive coat position that comes off form that " big negative electrode is little
Anode " electrochemical corrosion environment, accelerate the most again corrosion.
In order to protect crude oil storage tank and reduce the damage that crude oil storage tank is brought by corrosion, usual water-bearing layer can use anticorrosion
Material, harm corrosion brought is preferably minimized.Although adoptable anti-corrosion material kind is a lot, but in impact flexibility, attachment
Power, high temperature high voltage resistant and the construction aspect such as convenience compare shortcoming, it is impossible to well meet the anti-of water-bearing layer in crude oil storage tank
Rotten requirement, the safe operation for crude oil storage tank brings certain risk.
Summary of the invention
It is an object of the invention to provide water-bearing layer elastic epoxy composite anti-corrosion material and preparation thereof in a kind of crude oil storage tank
Method, to overcome defect present in prior art.
For achieving the above object, the present invention is by the following technical solutions, aqueous in the invention provides a kind of crude oil storage tank
Layer uses elastic epoxy composite anti-corrosion material, is made up of the component of following weight portion: vinylite 90～100 parts, glass fibre
18.5～21.5 parts, nitrile rubber 8.5～11.5 parts, titanium dioxide 1.5～3.5 parts, phthalocyanine blue 0.6～1.8 parts, zinc yellow 2～4
Part.
Elastic epoxy composite anti-corrosion material in water-bearing layer in described crude oil storage tank, also includes the froth breaking of 0.2～0.7 part
Agent, the levelling agent of 0.2～0.4 part, the dispersant of 0.3～0.6 part, the firming agent of 0.6～1.2 part, the promotion of 0.07～0.3 part
Agent and the accelerator of 0.02～0.08 part.
Described vinylite is 95 parts, and glass fibre is 21 parts, and nitrile rubber is 9 parts, and titanium dioxide is 3 parts, and phthalein is blue or green
Indigo plant is 1.5 parts, and zinc yellow is 3 parts, and defoamer is 0.4 part, and levelling agent is 0.3 part, and dispersant is 0.5 part, and firming agent is 1 part,
Accelerator is 0.2 part, and accelerator is 0.05 part.
Described defoamer is non-silicon class defoamer TECH～430.
Described levelling agent is fluorinated acrylate TECH～177.
Described dispersant is polycarboxylic acids amine ammonium salt TECH～501.
Described firming agent uses mass concentration to be 80% cumyl hydroperoxide.
Described accelerator uses mass concentration to be 6% cobalt salt.
Described accelerator uses mass concentration to be 100% dimethyl acetylamide.
The preparation method of water-bearing layer elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank, including following weight proportion
Raw material: in described crude oil storage tank, water-bearing layer elastic epoxy composite anti-corrosion material and weight proportion thereof include vinylite
90～100 parts, glass fibre 18.5～21.5 parts, nitrile rubber 8.5～11.5 parts, titanium dioxide 1.5～3.5 parts, phthalocyanine blue 0.6
～1.8 parts, zinc yellow 2～4 parts, defoamer 0.2～0.7 part, levelling agent 0.2～0.4 part, dispersant 0.3～0.6 part, solidification
Agent 0.6～1.2 parts, accelerator 0.07～0.3 part and accelerator 0.02～0.08 part, specifically comprise the following steps that
(1) resin modified: heating ethylene base resin, to 105 DEG C～135 DEG C, adds nitrile rubber, stirs, with
The speed of 2 DEG C per minute is warming up to 134 DEG C～150 DEG C, constant temperature 25min～35min, then is warming up to the speed of 2 DEG C per minute
155 DEG C～168 DEG C, after constant temperature 25min～35min, release resin solution；
(2) powder add and grind: release resin solution in add titanium dioxide, zinc yellow powder, stirring 25min～
35min, injects sand mill and is ground after having stirred, fineness of grind to 25um～40um；
(3) other fillers and the interpolation of auxiliary agent: add glass fibre in ground raw material, with per minute 1600～
The speed of 2600 turns disperses 30min～40min in dispersion machine, is subsequently adding phthalocyanine blue, dispersant, levelling agent, defoamer, then
In dispersion machine, 15min～38min is disperseed with the speed of 1500～1700 turns per minute；
(4) solidification: be initially charged firming agent in the raw material disperseed through dispersion machine, with per minute 250～350 rotary speeds
Stirring 2min～7min, adds accelerator, with per minute 250～350 rotary speed stirring 3min～12min, is eventually adding and adds
Speed agent, with per minute 250～350 rotary speed stirring 3min～12min, completes the preparation of epoxy composite anti-corrosion material；
The addition of above-mentioned raw materials is all added by formula ratio.
The present invention uses technique scheme, has the advantage that
In the crude oil storage tank that the present invention provides, water-bearing layer elastic epoxy composite anti-corrosion material is that one is applied to crude oil storage
Tank skin and tank bottoms antiseptical coating material at water-bearing layer in tank, it with vinylite, glass fibre, nitrile rubber, titanium dioxide,
Phthalocyanine blue, zinc yellow, defoamer, levelling agent and dispersant are host, add other firming agent, and a kind of impact flexibility of formation is
7KJ/m2, viscosity, at about 4000Pa.s, surface drying in 4～8h, can do solid work in 48 hours at 0～40 DEG C, and stream, energy are not hung in construction
Natural levelling；Can effectively protect metal surface, acid and alkali resistance, salt excellent performance, heat resistance is good；Adhesive force is strong, the most easy-peel
Fall, there is water-bearing layer elastic epoxy composite anti-corrosion material in the storage tank of preferable mechanical property.
Detailed description of the invention
Further water-bearing layer elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank is carried out below in conjunction with embodiment
Detailed description.
Water-bearing layer elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank, epoxy composite anti-corrosion material material composition and
The weight proportion of composition forms according to following composition and proportioning: vinylite 90～100 parts, glass fibre 18.5～
21.5 parts, nitrile rubber 8.5～11.5 parts, titanium dioxide 1.5～3.5 parts, phthalocyanine blue 0.6～1.8 parts, zinc yellow 2～4 parts, also
Including the defoamer of 0.2～0.7 part, the levelling agent of 0.2～0.4 part, the dispersant of 0.3～0.6 part, the solidification of 0.6～1.2 part
Agent, the accelerator of 0.07～0.3 part and the accelerator of 0.02～0.08 part.
In described crude oil storage tank, the preparation method of water-bearing layer elastic epoxy composite anti-corrosion material divides resin modified, powder
Add and grinding, other fillers and the interpolation of auxiliary agent, four steps of solidification:
(1) resin modified: heating ethylene base resin, to 105 DEG C～135 DEG C, adds nitrile rubber, stirs, with
The speed of 2 DEG C per minute is warming up to 134 DEG C～150 DEG C, constant temperature 25min～35min, then is warming up to the speed of 2 DEG C per minute
155 DEG C～168 DEG C, after constant temperature 25min～35min, release resin solution；
(2) powder add and grind: release resin solution in add titanium dioxide, zinc yellow powder, stirring 25min～
35min, injects sand mill and is ground after having stirred, fineness of grind to 25um～40um；
(3) other fillers and the interpolation of auxiliary agent: add glass fibre in ground raw material, with per minute 1600～
The speed of 2600 turns disperses 30min～40min in dispersion machine, is subsequently adding phthalocyanine blue, dispersant, levelling agent, defoamer, then
In dispersion machine, 15min～38min is disperseed with the speed of 1500～1700 turns per minute；
(4) solidification: be initially charged firming agent in the raw material disperseed through dispersion machine, with per minute 250～350 rotary speeds
Stirring 2min～7min, adds accelerator, with per minute 250～350 rotary speed stirring 3min～12min, is eventually adding and adds
Speed agent, with per minute 250～350 rotary speed stirring 3min～12min, completes the preparation of epoxy composite anti-corrosion material.
Embodiment 1
The weight proportion providing raw material according to table 1 is prepared, and selecting vinylite is 95 parts, and glass fibre is 21
Part, nitrile rubber is 9 parts, and titanium dioxide is 3 parts, and phthalocyanine blue is 1.5 parts, and zinc yellow is 3 parts, and defoamer is 0.4 part, and levelling agent is
0.3 part, dispersant is 0.5 part, and firming agent is 1 part, and accelerator is 0.2 part, and accelerator is 0.05 part, after end of selecting materials, according to
Following steps are prepared:
(1) resin modified: heat 95 parts of vinylites to 125 DEG C, add 9 parts of nitrile rubbers, stir, with
The speed of 2 DEG C per minute is warming up to 141 DEG C, constant temperature 31min, then is warming up to 162 DEG C with the speed of 2 DEG C per minute, constant temperature 31min
After, release resin solution；
(2) powder adds and grinds: add 3 parts of titanium dioxides, 3 parts of zinc yellow powders, stirring in the resin solution released
31min, injects sand mill and is ground after having stirred, fineness of grind to 30um；
(3) other fillers and the interpolation of auxiliary agent: add 21 parts of glass fibre in ground raw material, with per minute 2200
The speed turned disperses 39min in dispersion machine, be subsequently adding 1.5 parts of phthalocyanine blues, 0.6 part of dispersant, 0.4 part of levelling agent, 0.4 part
Defoamer, then disperse 25min in dispersion machine with the speed of 1600 turns per minute, through dispersion machine raw material after row dispersion
Carry out subpackage, packaging；
(4) solidification: when needs use, open packaging, pours into the raw material in packaging in vessel, divides to through dispersion machine
Being initially charged 1 part of firming agent in the raw material dissipated, with 310 rotary speed stirring 6min per minute, adding is 0.2 part of accelerator, with
310 rotary speed stirring 6min per minute, are eventually adding 0.05 part of accelerator, with 320 rotary speed stirring 6min, Jing Guogu per minute
Material after change is exactly the elastic epoxy composite anti-corrosion material needing preparation, it is only necessary to containing that this material is coated onto in crude oil storage tank
The tank skin of water layer.
The present invention uses epoxy composite anti-corrosion material prepared by above-mentioned composition and proportioning and preparation method thereof, has preferably
Antiseptic property, (concrete numeric reference table two), and easy construction.
Concrete, in crude oil storage tank, the formula table of water-bearing layer elastic epoxy composite anti-corrosion material is as follows:
Water-bearing layer elastic epoxy composite anti-corrosion material formula concrete specifications and models table in table 1 crude oil storage tank
Xi'an product quality supervision and inspection institute has carried out quality supervision and test, examining report to the product of above-described embodiment
Numbering: H1601186, assay is as follows:
Water-bearing layer elastic epoxy composite anti-corrosion material main performance table in the crude oil storage tank of table 2 embodiment of the present invention
Embodiment 2
Use the preparation method in similar embodiment 1, use following weight proportion, carry out epoxy composite anti-corrosion material
Preparation:
(1) resin modified: heat 90 parts of vinylites to 105 DEG C, add 8.5 parts of nitrile rubbers, stir,
It is warming up to 134 DEG C with the speed of 2 DEG C per minute, constant temperature 25min, then it is warming up to 155 DEG C with the speed of 2 DEG C per minute, constant temperature
After 25min, release resin solution；
(2) powder adds and grinds: adds 1.5 parts of titanium dioxides, 2 parts of zinc yellow powders in the resin solution released, stirs
Mix 25min, inject sand mill after having stirred and be ground, fineness of grind to 25um；
(3) other fillers and the interpolation of auxiliary agent: add 18.5 parts of glass fibre in ground raw material, with per minute
The speed of 1600 turns disperses 30min in dispersion machine, be subsequently adding 0.6 part of phthalocyanine blue, 0.3 part of dispersant, 0.2 part of levelling agent,
0.2 part of defoamer, then disperse 15min in dispersion machine with the speed of 1500 turns per minute, through dispersion machine after row dispersion
Raw material carry out subpackage, packaging；
(4) solidification: when needs use, open packaging, pours into the raw material in packaging in vessel, divides to through dispersion machine
Being initially charged 0.6 part of firming agent in the raw material dissipated, with 250 rotary speed stirring 2min per minute, adding is 0.07 part of accelerator,
With 250 rotary speed stirring 3min per minute, it is eventually adding 0.02 part of accelerator, with 250 rotary speed stirring 3min per minute, passes through
Material after solidification is exactly the elastic epoxy composite anti-corrosion material needing preparation, it is only necessary to this material is coated onto in crude oil storage tank
The tank skin in water-bearing layer.
Its effect of the present embodiment anti-corrosion material is consistent with the table 2 of embodiment 1.
Embodiment 3
Use the preparation method in similar embodiment 1, use following weight proportion, carry out epoxy composite anti-corrosion material
Preparation:
(1) resin modified: heat 100 parts of vinylites to 135 DEG C, add 11.5 parts of nitrile rubbers, is sufficiently stirred for all
Even, it is warming up to 150 DEG C with the speed of 2 DEG C per minute, constant temperature 35min, then it is warming up to 168 DEG C with the speed of 2 DEG C per minute, constant temperature
After 35min, release resin solution；
(2) powder adds and grinds: adds 3.5 parts of titanium dioxides, 4 parts of zinc yellow powders in the resin solution released, stirs
Mix 35min, inject sand mill after having stirred and be ground, fineness of grind to 40um；
(3) other fillers and the interpolation of auxiliary agent: add 21.5 parts of glass fibre in ground raw material, with per minute
The speed of 2600 turns disperses 40min in dispersion machine, be subsequently adding 1.8 parts of phthalocyanine blues, 0.6 part of dispersant, 0.4 part of levelling agent,
0.7 part of defoamer, then disperse 38min in dispersion machine with the speed of 1700 turns per minute, through dispersion machine after row dispersion
Raw material carry out subpackage, packaging；
(4) solidification: when needs use, open packaging, pours into the raw material in packaging in vessel, divides to through dispersion machine
Being initially charged 1.2 parts of firming agent in the raw material dissipated, with 350 rotary speed stirring 7min per minute, adding is 0.3 part of accelerator,
With 350 rotary speed stirring 12min per minute, it is eventually adding 0.08 part of accelerator, with 350 rotary speed stirring 12min per minute, warp
Material after overcuring is exactly the elastic epoxy composite anti-corrosion material needing preparation, it is only necessary to this material is coated onto in crude oil storage tank
The tank skin in water-bearing layer.
Its effect of the present embodiment anti-corrosion material is consistent with the table 2 of embodiment 1.
In the above-described embodiment, defoamer, levelling agent, dispersant are from the Shanghai limited public affairs of Tag polymer technology
Department, specific address is Room, No. 665 Dehong mansions 602, Zhangjiang road, Pudong New Area, Shanghai, and concrete model is that defoamer uses non-silicon
Class defoamer TECH-430；Levelling agent uses fluorinated acrylate TECH-177；Dispersant embodiment uses polycarboxylic acids amine ammonium
Salt TECH-501；
Vinylite, nitrile rubber, phthalocyanine blue, firming agent, accelerator both are from selecting latitude (Shanghai) fine chemistry industry
Company limited, Song Sheng road, CompanyAddress's Shanghai Songjiang industrial occupancy 118；Concrete model, vinylite uses
SWANCOR908 resin；Nitrile rubber uses CTBN；Phthalocyanine blue selects vinylite type；Firming agent uses concentration 80% mistake
Hydrogen oxide isopropylbenzene；Accelerator uses concentration 100% dimethyl acetylamide.
Titanium dioxide selects Beijing Orient Rui Xiang commerce and trade company limited supply Dupont titanium dioxide, Xuanwu District, address Beijing
Beiwei Lu 9, uses the titanium dioxide of rutile R type.
Zinc chrome bloom is selectedShanghai courser Chemical Co., Ltd.The zinc chrome bloom that concentration is 35%～45% CrO3 produced,
Specific address is Zhongshan North Road, Putuo District, Shanghai 2299.
1～2mm alkali-free glass powder selected by glass fibre；
Accelerator uses concentration to be 6% cobalt salt, and cobalt salt can be CoX2, CoF2, CoCl2, CoBr2, CoI2, CoCO3, Co
(NO3)2, CoSO4In any one.
In the crude oil storage tank that the present invention provides, water-bearing layer elastic epoxy composite anti-corrosion material is that one is applied to crude oil storage
Tank skin and tank bottoms antiseptical coating material at water-bearing layer in tank, it with vinylite, glass fibre, nitrile rubber, titanium dioxide,
Phthalocyanine blue, zinc yellow, defoamer, levelling agent and dispersant are host, add other firming agent, and a kind of impact flexibility of formation is
7KJ/m2, viscosity, at about 4000Pa.s, surface drying in 4～8h, can do solid work in 48 hours at 0～40 DEG C, and stream, energy are not hung in construction
Natural levelling；Can effectively protect metal surface, acid and alkali resistance, salt excellent performance, heat resistance is good；Adhesive force is strong, the most easy-peel
Fall, there is water-bearing layer elastic epoxy composite anti-corrosion material in the storage tank of preferable mechanical property.
The raw material of above-described embodiment directly can also be buied from market.Concentration is mass percent concentration.
Exemplified as above is only the illustration to the present invention, is not intended that the restriction to protection scope of the present invention, all
It is within design same or analogous with the present invention belongs to protection scope of the present invention.
Claims (2)
1. the water-bearing layer preparation method of elastic epoxy composite anti-corrosion material in a crude oil storage tank, it is characterised in that: described
In crude oil storage tank, water-bearing layer elastic epoxy composite anti-corrosion material and weight proportion thereof include vinylite 90～100 parts, glass
Glass fiber 18.5～21.5 parts, nitrile rubber 8.5～11.5 parts, titanium dioxide 1.5～3.5 parts, phthalocyanine blue 0.6～1.8 parts, zinc chrome
Yellow 2～4 parts, defoamer 0.2～0.7 part, levelling agent 0.2～0.4 part, dispersant 0.3～0.6 part, firming agent 0.6～1.2 parts,
Accelerator 0.07～0.3 part and accelerator 0.02～0.08 part,
Specifically comprise the following steps that
(1) resin modified: heating ethylene base resin, to 105 DEG C～135 DEG C, adds nitrile rubber, stirs, with every point
The speed that clock is 2 DEG C is warming up to 134 DEG C～150 DEG C, constant temperature 25min～35min, then is warming up to 155 DEG C with the speed of 2 DEG C per minute
～168 DEG C, after constant temperature 25min～35min, release resin solution；
(2) powder add and grind: release resin solution in add titanium dioxide, zinc yellow powder, stirring 25min～
35min, injects sand mill and is ground after having stirred, fineness of grind to 25 μm～40 μm；
(3) other fillers and the interpolation of auxiliary agent: add glass fibre in ground raw material, with 1600～2600 turns per minute
Speed in dispersion machine, disperse 30min～40min, be subsequently adding phthalocyanine blue, dispersant, levelling agent, defoamer, then with every point
The speed of clock 1500～1700 turns disperses 15min～38min in dispersion machine；
(4) solidification: be initially charged firming agent in the raw material disperseed through dispersion machine, with per minute 250～350 rotary speed stirrings
2min～7min, adds accelerator, with per minute 250～350 rotary speed stirring 3min～12min, is eventually adding accelerator,
With per minute 250～350 rotary speed stirring 3min～12min, complete the preparation of epoxy composite anti-corrosion material；
The addition of above-mentioned raw materials is all added by formula ratio.
The preparation method of water-bearing layer elastic epoxy composite anti-corrosion material in a kind of crude oil storage tank the most as claimed in claim 1,
It is characterized in that: described defoamer is non-silicon class defoamer TECH～430, and described levelling agent is fluorinated acrylate TECH
～177, described dispersant is polycarboxylic acids amine ammonium salt TECH～501, and described firming agent uses mass concentration to be 80% peroxidating
Hydrogen isopropylbenzene, described accelerator uses mass concentration to be 6% cobalt salt, and described accelerator uses mass concentration to be 100% diformazan
Yl acetamide.
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