CN104479553A - Anti-corrosion epoxy coal pitch paint - Google Patents
Anti-corrosion epoxy coal pitch paint Download PDFInfo
- Publication number
- CN104479553A CN104479553A CN201410806628.0A CN201410806628A CN104479553A CN 104479553 A CN104479553 A CN 104479553A CN 201410806628 A CN201410806628 A CN 201410806628A CN 104479553 A CN104479553 A CN 104479553A
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- China
- Prior art keywords
- paint
- coal
- powder
- wingdale
- pitch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses external-use anti-corrosion epoxy coal pitch paint for an underground metal pipeline. According to the paint, epoxy resin and coal pitch are taken as main film forming substances, talcum powder, limestone and gangue powder are taken as filling media, and toluene and xylene are taken as solvents. The paint production process is simple, coal pitch is heated and dewatered firstly, components with low distillation points and part of acid oil are removed, talcum powder and limestone are added sequentially, coal powder and gangue powder are transferred to a colloid mill for grinding, and the paint can be obtained if the fineness of ground powder meets the requirements for anti-corrosion paint film formation and easiness in leveling. According to the anti-corrosion epoxy coal pitch paint, the softening point of the paint is increased, the temperature resistance range is widened, the hardness of a paint film is increased, the cured coating has excellent adhesion force, and the paint film has good mechanical property and is resistant to microbiological corrosion and plant root penetration.
Description
Technical field
The present invention relates to a kind of protective system, especially a kind of is main film forming substance with coal-tar pitch, and with talcum powder, Wingdale, spoil powder is the buried metal pipeline external application anti-corrosion asphalt paint of filled media.
Background technology
There are a large amount of water, vapour, pipe laying in China every year in provided underground, these metallic conduits because buried in soil, so the corrosion being the most easily subject to soil moisture, chlorion, sulfate ion, microorganism, plant roots and stems etc. with penetrate.The outer wall of buried metal pipeline is anticorrosion in recent years more and more comes into one's own, and associated various heavy-duty coatings have also been obtained R and D energetically.The protection against corrosion of buried metal pipeline is not only for this simple object of prolongation pipeline life, also has more how prior for many-sided consideration such as safety, environment.The oily code of Hunan Province's refinery struggles against the underground oil pipeline of plant area once because of microbiological corrosion, occurs perforation leakage of oil, reaches 7-8 time every year, bring huge financial loss to this factory.If the fluid in pipe be inflammable substance or toxic substance time, also can cause the serious accident such as calamity and blast.Qingdao Huang Island refinery, Dalian refinery, once because of equipment and pipeline corrosion, causes blast stopping production accident.Certain storage tank of NORTHWEST CHINA area, the maintenance though outer wall has been painted, but inwall is exposed, aqueous vapor corrosion steel plate in tank, make steel plate corrosion thinning, finally cause workman steel plate when tank deck works to wear out generation fatal accident, it is too numerous to enumerate especially that pipeline hole corrodes the leakage of oil event of leaking caused, pipeline corrosion protection is extremely important as can be seen here, and we must draw attention.
Summary of the invention
The object of this invention is to provide a kind of strong adhesion, good mechanical property, cost is low, and manufacturing process is simple, the anticorrosion epoxy coal asphalt paint antifouling paste of buried metal pipeline external application of favorable anti-corrosion effect.
The technical scheme that the present invention realizes is:
A kind of epoxy resin asphalt antifouling paste, each composition weight proportioning forming this paint is:
Each weight percentages of components is: % by weight:
Composite epoxy resin: (mixture of glycidyl ester epoxy resin and coumarone indene resin .) 20% ~ 30%
Modified coal pitch: 30% ~ 55%;
Talcum powder: 8% ~ 20%;
Wingdale: 7% ~ 20%;
Spoil powder: 10-20%
Total mass number of more than filling a prescription is 100.
The feature of antifouling paste of the present invention is with coal-tar pitch to be main film forming substance, and with talcum powder, Wingdale, spoil powder is filled media.
The filmogen that the present invention adopts is coal-tar pitch, coal-tar pitch, petroleum pitch, the mixture of one or more in oxidized bitumen, blend asphalt, emulsified bitumen, modifying asphalt
.
Talcum powder in technique scheme, Wingdale spoil Powder Particle Size is below 400 orders,
composite epoxy resin is: glycidyl ester epoxy resin, propanepoxy resin, the mixture of one or more in coumarone indene resin.the mixture of the preferred glycidyl ester epoxy resin of composite epoxy resin and coumarone indene resin.
Modifying asphalt is coal-tar pitch, petroleum pitch, and the mixture of one or more in oxidized bitumen, blend asphalt, emulsified bitumen, modifying asphalt, modifying asphalt is preferably the mixture of emulsified bitumen and coal-tar pitch.Wingdale is light calcium carbonate, the mixture of one or more of water-ground limestone, gel calcium carbonate and crystal calcium carbonate.
Coal-tar pitch is the byproduct of coke-oven plant, and pitch forms primarily of aromatic hydrocarbon substance, and chemical is very stable, and petroleum pitch forms primarily of alkanes substance, and chemical is relatively unstable, along with time lapse, its molecule easily degrade, aging etc.As previously mentioned in pitch because of containing a large amount of phenol, anthracene, quinone, these for plant and bacterium containing phenolic compound, are the toxin suppressing its Growth and Reproduction, can resist plant roots and stems and grow into, and resistance to bacterium corrodes.Coal tar water-intake rate is very low on the other hand, and generally at about 0.3-0.5%, plant can not adhere to its growth, thus makes buried steel pipe obtain good protection.So this paint is as the external application protective system of buried metal pipeline and boats and ships, there is superior protection and antiseptic property.
The filled media that the present invention adopts is talcum powder, Wingdale, spoil is the waste in coal mining, washing process, containing multiple product material raw materials such as pyrite, bauxite, poly aluminium chlorides, can spoil brick processed, cement, gas concrete, also can be used to generating etc.The coal gangue piled up in recent years into mountain brings serious pollution to environment, and open giving of the present invention fully utilizes coal gangue, turns waste into wealth and provides a good approach.Coal be we the fuel be familiar with, see everywhere.We know that the antiseptic property of conventional pitch coating and coal tar pitch class coating is fabulous, but there is the susceptibility to temperature, and namely temperature is low becomes fragile, trickling that temperature is high.The present invention is creatively with talcum powder, and Wingdale, is filled media at spoil powder, through pyroreaction modification, can overcome these shortcomings above-mentioned, improve its softening temperature, increase its toughness, greatly widen temp. variation resistant scope and comprehensive anticorrosive performance.Modified epoxide coal bituminous antifouling paste has light as the enamel and excellent erosion resistance, has again the good sticking power of iron and steel.Spoil powder adds wherein as filled media in addition, and it significantly can increase the hardness of paint film, strengthens plasticity and the physical strength of paint film.
The present invention realizes like this, first be raw-material preparation, comprise talcum powder, Wingdale, it is for subsequent use that spoil is milled down to below 400 orders, and pitch, after thermal dehydration, is milled down to below 400 orders for subsequent use, next is the preparation of paint finished product: first the modified pitch of dehydration is joined colloid mill and continue grinding and mixing, softening, dispersion.After grinding in 40 minutes, one add talcum powder successively, Wingdale in proportion with noted earlier, after the complete melting of spoil powder, fully mixing, dispersion, soaked by pitch completely and be dissolved in wherein, and continue grinding 2 hours.Until be ground to completely, there is good filming, finally add, formula rate composite epoxy resin, continue ground and mixed, when detecting various index and reaching brushing construction reference, proceed to packaging, once brush and can obtain paint film thickness 220 ± 5um.
The present invention is compared with existing epoxide coal bituminous class coating, improve the softening temperature of paint, widen the temperature resistant range of paint film, solvent and solidifying agent be packaging and use separately, avoids because once cannoing be used up, and causes paint vehicle to lose efficacy, with talcum powder, Wingdale, spoil powder is that filled media makes hardness of paint film be significantly improved, and makes paint film have shiny black gloss and good elasticity.
Epoxide coal bituminous antifouling paste disclosed in this invention is with talcum powder, and Wingdale, spoil powder are filled media, not only have the advantage that coal tar coating has, and hardness of paint film, intensity, elasticity, corrosion-resistant etc. in had very large improvement.
Embodiment
Practical application of the present invention is specifically set forth below by way of several embodiment.
Embodiment 1:
first be raw-material preparation, comprise talcum powder, Wingdale, it is for subsequent use that spoil is milled down to below 400 orders, pitch is after thermal dehydration, being milled down to below 400 orders for subsequent use, is secondly the preparation of painting finished product: first the modified pitch that dewaters is joined the lasting grinding of colloid mill and mixing, soften, disperse, soak.After grinding in 40 minutes, one add talcum powder successively, Wingdale in proportion with noted earlier, after the complete melting of spoil powder, fully mixing, dispersion, soaked by pitch completely and be dissolved in wherein, and continue grinding 2 hours.Until be ground to completely, there is good filming, finally add, formula rate composite epoxy resin, continue ground and mixed, when detecting various index and reaching brushing construction reference, proceed to packaging, once brush and can obtain paint film thickness 225 um.
antifouling paste in the present embodimentcomponent is: % by weight
Composite epoxy resin adopts the mixture 23% of glycidyl ester epoxy resin and coumarone indene resin
Modified coal pitch: 41%;
Talcum powder: 17%;
Wingdale selects gel calcium carbonate 13%;
Spoil powder: 6%
According to the coating model that example 1 of the present invention does, data are as follows after testing:
Embodiment 2:
in the present embodiment, antifouling paste component is % by weight
Composite epoxy resin adopts the mixture 27% of glycidyl ester epoxy resin and coumarone indene resin
Modified coal pitch: 39%;
Talcum powder: 15%;
Wingdale: 12%;
Spoil powder: 7%
First be raw-material preparation, comprise talcum powder, Wingdale, it is for subsequent use that spoil is milled down to below 400 orders, pitch is after thermal dehydration, being milled down to below 400 orders for subsequent use, is secondly the preparation of paint finished product: first the modified pitch of dehydration is joined colloid mill and continue grinding and mixing, softening, dispersion.After grinding in 40 minutes, one add talcum powder successively, Wingdale in proportion with noted earlier, after the complete melting of spoil powder, fully mixing, dispersion, soaked by pitch completely and be dissolved in wherein, and continue grinding 2 hours.Until be ground to completely, there is good filming, finally add, formula rate composite epoxy resin, continue ground and mixed, when detecting various index and reaching brushing construction reference, proceed to packaging, once brush and can obtain paint film thickness 230um.
[0023]embodiment 3:
antifouling paste in the present embodimentcomponent is: % by weight
The mixture 25% of the preferred glycidyl ester epoxy resin of composite epoxy resin and coumarone indene resin
Modified coal pitch: 40%;
Talcum powder: 15%;
Wingdale: 12%;
Spoil powder: 8%
First be raw-material preparation, comprise talcum powder, Wingdale, it is for subsequent use that spoil is milled down to below 400 orders, pitch is after thermal dehydration, being milled down to below 400 orders for subsequent use, is secondly the preparation of paint finished product: first the modified pitch of dehydration is joined colloid mill and continue grinding and mixing, softening, dispersion.After grinding in 40 minutes, one add talcum powder successively, Wingdale in proportion with noted earlier, after the complete melting of spoil powder, fully mixing, dispersion, soaked by pitch completely and be dissolved in wherein, and continue grinding 2 hours.Until be ground to completely, there is good filming, finally add, formula rate composite epoxy resin, continue ground and mixed, when detecting various index and reaching brushing construction reference, proceed to packaging, once brush and can obtain paint film thickness 237um.
Claims (8)
1. an epoxide coal bituminous antifouling paste, is characterized in that: take coal-tar pitch as main film forming substance, talcum powder, Wingdale, spoil powder, is filled media, toluene, and dimethylbenzene is solvent; Each weight percentages of components is:
Composite epoxy resin: 20% ~ 30%
Modified coal pitch: 30% ~ 55%;
Talcum powder: 8% ~ 20%;
Wingdale: 7% ~ 20%;
Spoil powder: 10-20%
Each component sum is 100% above;
Wherein, coal-tar pitch is 5% ~ 15% containing tar weight percent.
2. epoxide coal bituminous antifouling paste according to claim 1, it is characterized in that: talcum powder, Wingdale spoil Powder Particle Size is below 400 orders.
3. epoxide coal bituminous antifouling paste according to claim 1, is characterized in that: composite epoxy resin is: glycidyl ester epoxy resin, propanepoxy resin, the mixture of one or more in coumarone indene resin.
4. epoxide coal bituminous antifouling paste according to claim 3, is characterized in that: the mixture of the preferred glycidyl ester epoxy resin of composite epoxy resin and coumarone indene resin.
5. epoxide coal bituminous antifouling paste according to claim 1, is characterized in that: modifying asphalt is coal-tar pitch, petroleum pitch, the mixture of one or more in oxidized bitumen, blend asphalt, emulsified bitumen, modifying asphalt.
6. epoxide coal bituminous antifouling paste according to claim 5, is characterized in that: modifying asphalt is the mixture of emulsified bitumen and coal-tar pitch.
7. epoxide coal bituminous antifouling paste according to claim 1, is characterized in that: Wingdale is light calcium carbonate, the mixture of one or more of water-ground limestone, gel calcium carbonate and crystal calcium carbonate.
8. epoxide coal bituminous antifouling paste according to claim 1, is characterized in that: Wingdale is gel calcium carbonate
.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410806628.0A CN104479553A (en) | 2014-12-23 | 2014-12-23 | Anti-corrosion epoxy coal pitch paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410806628.0A CN104479553A (en) | 2014-12-23 | 2014-12-23 | Anti-corrosion epoxy coal pitch paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104479553A true CN104479553A (en) | 2015-04-01 |
Family
ID=52754166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410806628.0A Withdrawn CN104479553A (en) | 2014-12-23 | 2014-12-23 | Anti-corrosion epoxy coal pitch paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104479553A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802493A (en) * | 2016-03-31 | 2016-07-27 | 山东黄金矿业（玲珑）有限公司 | Corrosion control method of galvanized iron piece in sludge |
| CN111234700A (en) * | 2020-03-01 | 2020-06-05 | 湖北三宁碳磷基新材料产业技术研究院有限公司 | Coating prepared by utilizing byproducts in coal tar pitch-based carbon material production and method |
-
2014
- 2014-12-23 CN CN201410806628.0A patent/CN104479553A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802493A (en) * | 2016-03-31 | 2016-07-27 | 山东黄金矿业（玲珑）有限公司 | Corrosion control method of galvanized iron piece in sludge |
| CN111234700A (en) * | 2020-03-01 | 2020-06-05 | 湖北三宁碳磷基新材料产业技术研究院有限公司 | Coating prepared by utilizing byproducts in coal tar pitch-based carbon material production and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150401 |