CN104341949A - Wear-resistant internal-corrosion-preventive coating and preparation and application thereof - Google Patents
Wear-resistant internal-corrosion-preventive coating and preparation and application thereof Download PDFInfo
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- CN104341949A CN104341949A CN201310333160.3A CN201310333160A CN104341949A CN 104341949 A CN104341949 A CN 104341949A CN 201310333160 A CN201310333160 A CN 201310333160A CN 104341949 A CN104341949 A CN 104341949A
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- corrosion
- resol
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- KRWPTQZNTOFQIB-UHFFFAOYSA-N CNc(cccc1)c1ON(Oc(cccc1)c1NC)Oc1ccccc1NN=C Chemical compound CNc(cccc1)c1ON(Oc(cccc1)c1NC)Oc1ccccc1NN=C KRWPTQZNTOFQIB-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
- F16L58/1009—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe
- F16L58/1045—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe the coating being an extruded or a fused layer
-
- 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
Abstract
The invention relates to a wear-resistant internal-corrosion-preventive coating and preparation and an application thereof. The coating consists of the following components in percentage by weight: 15-20 percent of a zirconium-modified phenolic resin, 1-5 percent of a fluidity adjusting resin, 3-5 percent of porcelain powder, 1-2 percent of silicon carbide, 3-5 percent of sebacic dihydrazide and the balance being a carboxymethylated polybutadiene epoxy resin. A crystalline resin is taken as a rheological property conditioning agent, so that the problems of poor corrosion prevention effect and unavailability of performing long-distance internal extrusion coating due to non-uniform coating during extrusion coating of a conventional coating are solved. The carboxymethylated polybutadiene epoxy resin and the zirconium-modified phenolic resin are taken as major agents, and a silicon carbide filler is introduced, so that the mechanical strength and the wear resistance of the coating are enhanced greatly. The coating is applied to online internal extrusion coating of long-distance pipelines, so that the problem concerned with online internal corrosion prevention/repair of long-distance used pipelines is solved. The wear-resistant internal-corrosion-preventive coating has the characteristics of high rheological property, great adhesive force, wear resistance, corrosion resistance and short curing time.
Description
Technical field
The present invention relates to and a kind of repair abrasion resistant anticorrosive paint and preparation method thereof online for pipeline, be particularly useful for long distance with the online reparation of corroding pipe fitting.
Background technology
Oil-gas field injection and extraction system number of tubes is large, and High water cut recovers the oil, produced-water reinjection corrosive pipeline is serious, based on internal corrosion.Interior squeezing and coating are at present comparatively conventional pipeline corrosion protection means, and it can be made to reach slowing down corrosion wearing and tearing, extend oil pipe work-ing life.In existing technology, renovation technique in online for particularly long distance in-service pipeline anticorrosion in in-service pipeline, the defects such as it is low that the squeezing and coating material adopted exists coating heat resisting and pressure resisting ability, uneven, the easy sagging of lower wall coating on pipeline in squeezing and coating process, and coating abrasion performance is not enough.
As disclosed a kind of inner side anticorrosion coating of resistance to strong acid and manufacture method at CN1621464, the weight ratio of each component of coating is: 1 parts by weight epoxy resin, 0.3 parts by weight of xylene, 0.3 weight part diacetone alcohol, 0.4 weight part pimelinketone, 0.2 ~ 0.5 parts by weight of phenolic resin, 0.1 ~ 0.2 weight part chromoxide green, 0.1 ~ 0.2 weight part process white, 0.1 ~ 0.2 parts by weight of graphite, 0.05 ~ 0.1 weight part tetrafluoroethylene, the cruel interpolymer solution of 0.01 ~ 0.1 parts by weight of polypropylene acid, 0.01 ~ 0.1 weight part gathers methyl alkyl siloxane solution, 0 ~ 0.2 weight part gathers phthalein amine wax composition.But this no-solvent type coating easily produces " upper-thin-lower-thick " non-uniform phenomenon in long distance construction, and construction wrong in addition jam occurs, coating existing defects, can not reach Construction index.
CN1733854 discloses a kind of protective coating for petroleum pipeline and preparation method thereof and constructional method, the weight ratio of each component of coating is: this protective coating comprises by weight percentage: polyphenylene sulfide 55 ~ 95, adhesive promoter 3 ~ 30, erosion resistant toughener 1 ~ 20, described adhesive promoter is at least micron order or nano level titanium dioxide, chromium sesquioxide, cobalt sesquioxide, one in carbon fiber, erosion resistant toughener is at least micron order or nano level aluminium sesquioxide, cupric sulfide, silicon carbide, molybdenumdisulphide, carbon fiber, one in silicon-dioxide.But this solvent based coating, solvent is not volatile in long distance airtight space, causes coating quality poor, constructs apart from short.
By relatively finding out, current existing coating all can not meet extensive length and repair requirement online apart from old pipeline.
Summary of the invention
The object of the invention is exploitation one and repair wear-resisting inner side anticorrosion coating formula and processing technology for long online apart from old pipeline, make it have that rheological property is good, strong adhesion, wear-resistant anti-corrosion, the good characteristics such as set time is shorter, be applicable to long online apart from old pipeline in repair.
The object of wood invention realizes by filling a prescription as follows: by weight 100%:
Modified zirconia resol 15 ~ 20%, fluidity regulates resin 1 ~ 5%, porcelain powder 3 ~ 5%, silicon carbide 1 ~ 2%, sebacic dihydrazide 3 ~ 5%, carboxymethylation polybutadiene epoxy resin surplus.
Host of the present invention selects carboxymethylation polybutadiene epoxy resin and modified zirconia resol.This kind of aliphatic epoxy resin of epoxidized butadiene resin, molecular structure is not containing phenyl ring, and also without alicyclic ring, the feature of environmental protection is better, and the intensity after solidification, toughness, cementability, heat resistance are good.After carboxymethyl-modification, in epoxidized butadiene molecular resin, in cyclic alcohol hydroxyl, part-OH changes into-O-CH
2-COO-, alcoholic extract hydroxyl group and carboxyl form netted hydrogen bond structure, strengthen resin heat resistance, toughness.Along with water-soluble increase, also can reduce the minimum interpolation concentration of epoxy resin, reduce costs, increase economic efficiency.
Modified zirconia resol, oxirane value is 0.15, and molecular weight is 5000 ~ 8000, and molecular structure is as follows:
Higher-Zr-O-the key of bond energy, makes resol toughness, temperature tolerance, physical strength all be better than unmodified resol.And carry out cross-linked network grafting with carboxymethylation epoxy resin, paint machine performance and sticking power strengthen further, fully ensure for long apart from the intensity of repairing coating in old pipeline.
The present invention adopts crystallized polyurethane resin to be that fluidity regulates resin, after adding coating, is liquid, is convenient to squeezing and coating at 50 ~ 60 DEG C of coating.Under certain molecular weight condition, crystallization resin melt viscosity is lower than the amorphous polyester of molecular weight close in powder coating, has better melt-flow rheological; Curing cross-linking reaction is quicker.In coating application process, keep suitable viscosity, can ensure that the fullness ratio of film can have good mobility again, improve the application property of coating; After paint spraying, viscosity recovers very fast, can prevent sagging again, improve construction effect while guarantee film levelling property.
The present invention adopts porcelain powder and silicon carbide as additive, improves coating hardness simultaneously, improves wear resistance.
The present invention adopts sebacic dihydrazide as solidifying agent, reduces set time, makes technique in the reparation of guarantee pipeline simultaneously, can produce by Quick-return again.
Preparation method of the present invention, calculate raw material dosage according to anticorrosion process design and inner surface of pipeline size, the major ingredient of inner lining material and solidifying agent are mixed in proportion stirring, use agitator fully to stir, make it homogeneous and do not produce bubble and leave standstill slaking to be about 30min, fully place stand-by after mixing.Actual consumption suitably can adjust according to the relief situation of the working condition of reality and pipeline locality and trend.
Coating tech of the present invention, whole interior crowded lining construction is by pipe flushing, oil removing, drying, sandblasting, and soak cleaning, crowded lining coating prepare and the partly composition such as extruding construction and quality examination.Mainly be divided into surface treatment, coating prepares, squeeze the large process of lining construction three.Wherein surface treatment adopts cleaning and online sandblasting to complete; According to the consumption of inwall situation after pipeline cleaning and the parameter determination coating such as duct length, layout of beam line tendency; Squeeze lining process to adopt air compressor to carry out wind to send and squeeze lining, adopt two balls to squeeze lining device and complete pipeline and squeeze lining coating construction, complete multipass coating according to construction requirement and finally complete integrated piping reparation.
Preparation method for coating
(1) synthesis of carboxymethylation epoxidized butadiene resin
Accurately take 2molD-17 type epoxy resin, be dissolved in 500mL ethanol, at room temperature place 24h, reach swelling equilibrium.Accurately measuring certain volume pours in 250mL three-necked bottle, with 10%(m/v) sodium hydroxide solution adjust ph, then add 0.5mol sodium chloroacetate while stirring.Three-necked bottle is put into water-bath, and constant temperature stirs 1h.After reaction terminates, product glue is cooled to room temperature, is 10%(m/v with massfraction) product glue pH value is adjusted to 6 ~ 7 by glacial acetic acid solution.By concentrated for glue, dry, to pulverize aperture be 0.125mm sieve, i.e. obtained Powdered carboxymethylation epoxidized butadiene resin.
(2) synthesis of crystallized polyurethane resin
0.5mol terephthalic acid, hexanodioic acid, ethylene glycol, neopentyl glycol and 0.1mol catalyzer sodium bicarbonate are dropped in reactor and reacts, nitrogen is passed into after it melts, progressively be warming up to 240 DEG C, when the water yield of collecting is 95% of theoretical aquifer yield, add 0.1mol triphenyl phosphite and carry out vacuum polycondensation, follow the tracks of simultaneously and survey acid number and molecular weight, as pH=5.5, logical nitrogen disappears vacuum, obtains hydroxyl telechelic polyester resin.Be cooled to 170 DEG C, add 0.3mol trimellitic acid 1,2-anhydride and carry out acidifying, be progressively warming up to 200 DEG C, apply vacuum again, to remove the moisture of any remaining trace amount and unreacted monomer, as pH=3, remove vacuum, cooling discharge, namely obtain target crystallized polyurethane resin.
(3) synthesis of modified zirconia resol
In the 1L four-hole boiling flask that electric mixer is housed, add formaldehyde: phenol: sodium carbonate 1:3:0.2(mol ratio), wherein sodium carbonate is catalyzer, heats in oil bath.Treat that temperature rises to 70 ~ 75 DEG C, reaction 3h.Then add zirconium chloride, with formaldehyde mole ratio 1:0.5, be warming up to 100 DEG C, after backflow to appear, backflow 4h, is cooled to room temperature, vacuum hydro-extraction, discharging, obtains solid modified zirconia resol after cooling.
(4) preparation of coating
Carboxymethylation epoxidized butadiene resin is heated to 40 DEG C join in 100 DEG C of modified zirconia resol, adds magnetic and silicon carbide stirs, be cooled to 50 DEG C and add crystallized polyurethane resin, adopt high-speed stirring dispersion machine, be dispersed in coating.Sebacic dihydrazide mixing and stirring is at room temperature added during use.
Final formation is filled a prescription below:
Carboxymethylation polybutadiene epoxy resin surplus, modified zirconia resol 15 ~ 20%, fluidity regulates resin 1 ~ 5%, porcelain powder 3 ~ 5%, silicon carbide 1 ~ 2%, sebacic dihydrazide 3 ~ 5%.
Field conduct effect
Certain station year outer defeated wet oil 6.48 ten thousand m
3, day outer output oil 180m
3.X well group belongs to a well group at this station, and total oil well 5 mouthfuls, water injection well 3 mouthfuls, this well group mixing duct is frequently damaged.Choose certain the old pipeline of 3km oil transportation put into operation 3 years carry out online in repair, wherein Cemented filling temperature 35 DEG C, operating pressure 3MPa, delivery medium moisture 85%, it is higher to corrode the run-down frequency.
Selection formulation for coating material is: carboxymethylation polybutadiene epoxy resin surplus, modified zirconia resol 18%, and fluidity regulates resin 2%, porcelain powder 4%, silicon carbide 1.5%, sebacic dihydrazide 4%.
Get the observation pipe nipple being located at pipeline optional position after enforcement to detect, test wrapper is to the film thickness of 6 points, and all within the scope of 860 ± 30 μm, thickness is even, and reaches film design requirements.Carry out 4.5kV high-voltage spark to detect without leak source, sticking power test reaches 5A-4A level.
In this pipeline is implemented, anticorrosion operation is after 30 months, again tests, the results are shown in following table to the observation pipe nipple detected after construction, and antiseptic property is excellent, ensures that pipeline well runs for a long time.
Beneficial effect of the present invention:
(1) good rheological property makes to apply coating of the present invention can be once anticorrosion apart from squeezing and coating in enforcement at line length, coating uniform, no sag.
(2) due to the mechanical property that improve coating by a relatively large margin and wear resistance, coating of the present invention can adapt to the corrosive environment of all kinds of pressure in oil field, temperature, corrosive medium.
(3) make good set time it to repair online, its cost is change piping cost 1/4 ~ 1/6; Can 1/3 be reduced costs compared with equal pressure rating fiber reinforced plastic pipe.
Embodiment
Embodiment 1:
Carboxymethylation polybutadiene epoxy resin surplus fluidity regulates resin 4%
Modified zirconia resol 17% porcelain powder 5%
Silicon carbide 2% sebacic dihydrazide 4%
Above-mentioned formula is applied to certain interior squeezing and coating anticorrosive construction of pipe laying of being on active service 2 years, duct length 2.5km, Cemented filling temperature 30 DEG C, operating pressure 2MPa, delivery medium moisture 78%, and it is high to corrode the run-down frequency.After using 18 months, pipeline is observed pipe nipple and opens, do not find coating shedding, the appearance of spot corrosion and pitting corrosion.
Embodiment 2:
Carboxymethylation polybutadiene epoxy resin surplus fluidity regulates resin 3.5%
Modified zirconia resol 15% porcelain powder 3.5%
Silicon carbide 1.5% sebacic dihydrazide 1.2%
Above-mentioned formula is applied to certain interior squeezing and coating anticorrosive construction of produced-water reinjection pipeline of being on active service 4 years, duct length 2km, Cemented filling temperature 23 DEG C, operating pressure 15MPa, and it is high to corrode the run-down frequency.After using 22 months, contrast with similar conditions adjacent lines, do not occur coating shedding, corrosion failure phenomenon.
Claims (5)
1. a wear-resisting inner side anticorrosion coating, is characterized in that: by weight 100%: modified zirconia resol 15 ~ 20%, and fluidity regulates resin 1 ~ 5%, porcelain powder 3 ~ 5%, silicon carbide 1 ~ 2%, sebacic dihydrazide 3 ~ 5%, carboxymethylation polybutadiene epoxy resin surplus.
2. the wear-resisting inner side anticorrosion coating as described in right 1, is characterized in that: modified zirconia resol, and oxirane value is 0.15, and molecular weight is 5000 ~ 8000, and molecular structure is as follows:
3. the wear-resisting inner side anticorrosion coating as described in right 1, is characterized in that: described carboxymethylation polybutadiene epoxy resin, and oxirane value is 0.09, and molecular weight is 4500 ~ 12000.
4. a preparation method for the wear-resisting inner side anticorrosion coating described in right 1, is characterized in that:
(1) synthesis of carboxymethylation epoxidized butadiene resin
Take 2molD-17 type epoxy resin, be dissolved in 500mL ethanol, at room temperature place 24h, reach swelling equilibrium; Pour in 250mL three-necked bottle, with 10%(m/v) sodium hydroxide solution adjust ph, add 0.5mol sodium chloroacetate while stirring, three-necked bottle is put into water-bath, constant temperature stirs 1h, and product glue is cooled to room temperature, is 10%(m/v with massfraction) product glue pH value is adjusted to 6 ~ 7 by glacial acetic acid solution, by concentrated for glue, dry, to pulverize aperture be 0.125mm sieve, obtained Powdered carboxymethylation epoxidized butadiene resin;
(2) synthesis of crystallized polyurethane resin
By 0.5mol terephthalic acid, hexanodioic acid, ethylene glycol, neopentyl glycol and 0.1mol catalyzer sodium bicarbonate drop in reactor and react, nitrogen is passed into after it melts, progressively be warming up to 240 DEG C, when the water yield of collecting is 95% of theoretical aquifer yield, add 0.1mol triphenyl phosphite and carry out vacuum polycondensation, follow the tracks of simultaneously and survey acid number and molecular weight, as pH=5.5, logical nitrogen disappears vacuum, obtain hydroxyl telechelic polyester resin, be cooled to 170 DEG C, add 0.3mol trimellitic acid 1,2-anhydride and carry out acidifying, progressively be warming up to 200 DEG C, apply vacuum again, to remove the moisture of any remaining trace amount and unreacted monomer, as pH=3, remove vacuum, cooling discharge, obtain target crystallized polyurethane resin,
(3) synthesis of modified zirconia resol
In the 1L four-hole boiling flask that electric mixer is housed, add formaldehyde, phenol, sodium carbonate, mol ratio is 1:3:0.2, wherein sodium carbonate is catalyzer, heats in oil bath, treats that temperature rises to 70 ~ 75 DEG C, reaction 3h, then adding zirconium chloride, is 1:0.5 with formaldehyde mole ratio, be warming up to 100 DEG C, after backflow to appear, backflow 4h, be cooled to room temperature, vacuum hydro-extraction, discharging, obtains solid modified zirconia resol after cooling;
(4) preparation of coating
Carboxymethylation epoxidized butadiene resin is heated to 40 DEG C join in 100 DEG C of modified zirconia resol, adds magnetic and silicon carbide stirs, be cooled to 50 DEG C and add crystallized polyurethane resin, adopt high-speed stirring dispersion machine, be dispersed in coating; Sebacic dihydrazide mixing and stirring is at room temperature added during use.
5. an application for the wear-resisting inner side anticorrosion coating described in right 1, is characterized in that: for long-distance pipe online in anticorrosion, adopt crystallized polyurethane resin as fluidity conditioning agent, according to the strained condition adjusting viscosity of inner-walls of duct coating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310333160.3A CN104341949B (en) | 2013-08-02 | 2013-08-02 | A kind of wear-resisting inner side anticorrosion coating and preparation thereof and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310333160.3A CN104341949B (en) | 2013-08-02 | 2013-08-02 | A kind of wear-resisting inner side anticorrosion coating and preparation thereof and application |
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| CN104341949A true CN104341949A (en) | 2015-02-11 |
| CN104341949B CN104341949B (en) | 2016-12-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111393621A (en) * | 2020-04-02 | 2020-07-10 | 黄山泰鑫新材料有限公司 | Corrosion-resistant polyester resin and preparation method thereof |
| CN111410889A (en) * | 2020-04-24 | 2020-07-14 | 容七英 | Acid-resistant anticorrosive paint for inner wall of petrochemical equipment |
| CN112143301A (en) * | 2020-03-31 | 2020-12-29 | 北京博研中能科技有限公司 | Thermosetting corrosion-resistant wear-resistant coating material and preparation and use methods thereof |
| CN112574637A (en) * | 2019-12-30 | 2021-03-30 | 天津市富特斯科技发展有限公司 | Preparation method of nano modified solvent-free epoxy ceramic coating |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043151A (en) * | 1988-11-23 | 1990-06-20 | 弗利康公司 | Improved abrasion resistant coating and using method thereof |
| JP2003286449A (en) * | 2002-03-28 | 2003-10-10 | Sumitomo Bakelite Co Ltd | Overcoating material |
| CN1974699A (en) * | 2006-11-21 | 2007-06-06 | 大连理工大学 | Prepn process of blast furnace dust-based antiwear anticorrosive paint |
| CN102140299A (en) * | 2011-04-08 | 2011-08-03 | 广州慧谷化学有限公司 | Pop-top can cap coating with self-lubricating function and suitable for high-speed punching |
| CN103172811A (en) * | 2013-03-13 | 2013-06-26 | 西北工业大学 | Zirconium-modified phenolic resin and preparation method thereof |
-
2013
- 2013-08-02 CN CN201310333160.3A patent/CN104341949B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043151A (en) * | 1988-11-23 | 1990-06-20 | 弗利康公司 | Improved abrasion resistant coating and using method thereof |
| JP2003286449A (en) * | 2002-03-28 | 2003-10-10 | Sumitomo Bakelite Co Ltd | Overcoating material |
| CN1974699A (en) * | 2006-11-21 | 2007-06-06 | 大连理工大学 | Prepn process of blast furnace dust-based antiwear anticorrosive paint |
| CN102140299A (en) * | 2011-04-08 | 2011-08-03 | 广州慧谷化学有限公司 | Pop-top can cap coating with self-lubricating function and suitable for high-speed punching |
| CN103172811A (en) * | 2013-03-13 | 2013-06-26 | 西北工业大学 | Zirconium-modified phenolic resin and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112574637A (en) * | 2019-12-30 | 2021-03-30 | 天津市富特斯科技发展有限公司 | Preparation method of nano modified solvent-free epoxy ceramic coating |
| CN112143301A (en) * | 2020-03-31 | 2020-12-29 | 北京博研中能科技有限公司 | Thermosetting corrosion-resistant wear-resistant coating material and preparation and use methods thereof |
| CN111393621A (en) * | 2020-04-02 | 2020-07-10 | 黄山泰鑫新材料有限公司 | Corrosion-resistant polyester resin and preparation method thereof |
| CN111410889A (en) * | 2020-04-24 | 2020-07-14 | 容七英 | Acid-resistant anticorrosive paint for inner wall of petrochemical equipment |
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| Publication number | Publication date |
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| CN104341949B (en) | 2016-12-28 |
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