CN1733853A - FBE phenolic modified epoxy powder coating and preparation method thereof - Google Patents
FBE phenolic modified epoxy powder coating and preparation method thereof Download PDFInfo
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- CN1733853A CN1733853A CN 200510042771 CN200510042771A CN1733853A CN 1733853 A CN1733853 A CN 1733853A CN 200510042771 CN200510042771 CN 200510042771 CN 200510042771 A CN200510042771 A CN 200510042771A CN 1733853 A CN1733853 A CN 1733853A
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- epoxy
- fbe
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- phenol aldehyde
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Abstract
The FBE phenolic modified epoxy powder comprises, 25~50% phenolic modified epoxy resin, 0~25% E-12 epoxy resin, 10~15% curing agent, 0.5~2.0% levelling agent, 0.2~0.3% degasifier, 0.02~0.05% curing accelerant, 0.5% chrome yellow, 0.05% phthalocyanine, 2.5% phthalocyanine, and 25~30% deposited barium sulfate. Wherein, mixing rapidly the resins, curing agent, and levelling agent for 1~2min; adding others to mix for 3~5min; fusion extruding the mixed material; tabletting the fused material; cooling to smash in frain mill and classify; separating fine powder by cyclone, and sieving the powder to obtain product.
Description
Technical field
It is anticorrosion with clinkery epoxy powder coating and preparation method thereof, the particularly processing method of phenol aldehyde modified epoxide powder coating to the present invention relates to a kind of oil pipeline.
Background technology
The FBE epoxide powder coating be a kind ofly do not contain solvent, with pulverulence spraying, there is not pollution in and the film forming new anti-corrosion coating of heating clinkering in to the spraying of pipeline, clinkering process.
The main means of buried steel pipe rot-resistant are that preservative coat adds galvanic protection, and preservative coat has pitch class preservative coat, adhesive tape, jacket, epoxy powder, FBE epoxy powder and three-layer polyethylene types such as (three layers of PE).The state foreign minister is mainly FBE epoxy powder, three-layer polyethylene apart from the preservative coat material of oil transportation (gas) pipeline, and the preservative coat material that oilfield internal mainly collects oil transportation (gas) pipeline also mostly is FBE epoxy powder and three-layer polyethylene.Compare with other preservative coats, the FBE epoxide powder coating has strong adhesion, anti-various dielectric corrosions, and technology, material technology maturation, the operating efficiency height, quality is easy to control and detects easy, the reliable advantage of repaired mouth, therefore extensively adopts in pipe laying is anticorrosion.
A kind of anti-acid smelting combined epoxy modified powder coating is disclosed among the CN1511903A, by E-12 Resins, epoxy, curing agent dicyandiamide+ether azoles, properties-correcting agent heat-reactive phenolic resin and filler SiO
2Form hcl corrosion that can anti-36.5%.
A kind of sea water resistance type smelting combined epoxy modified powder coating is disclosed among the CN1511904A, by E-12 Resins, epoxy, curing agent dicyandiamide, properties-correcting agent superfine Ti O
2With filler CaCO
3, BaSO
4Form, can the anti-saturated NaCl or the KCl aqueous solution.
Yet existing FBE epoxide powder coating often adopts E-12 Resins, epoxy-dicyandiamide system, has that crosslinking degree is low, the shortcoming of levelling property difference, and the corrosion protection coating of formation is difficult to satisfy the heavily requirement for anticorrosion that the buried oil pipeline road improves day by day.
Summary of the invention
The present invention can realize by following measure:
The prescription of the phenol aldehyde modified epoxy double antiseptic powder coating of FBE is: by mass percentage
Phenol aldehyde modified Resins, epoxy 25%～50%
Resins, epoxy E-12 0%～25%
Phenol aldehyde modified firming agent 10%～15%
Flow agent 0.5%～2.0%
Air release agent 0.2%～0.3%
Curing catalyst 0.02%～0.05%
Medium chrome yellow medium yellow 0.5%
Phthalocyanine blue 0.05%
Titanium dioxide 2.5%
Process white 25%～30%
By above-mentioned prescription, the preparation method of the phenol aldehyde modified epoxide powder coating of FBE of the present invention is:
(1) with phenol aldehyde modified Resins, epoxy, Resins, epoxy E-12, solidifying agent, flow agent high-speed mixing 1～2 minute, the air release agent, curing catalyst, medium chrome yellow medium yellow, phthalocyanine blue, titanium dioxide, process white etc. that add formula ratio mixed 3～5 minutes;
(2) mixture adding forcing machine melt extrudes 80～92 ℃ of feeding section temperature, 95～105 ℃ of melt zone temperature, 110～120 ℃ of mixing sections, 100～110 ℃ of discharging sections; The material average retention time is no more than 60 seconds;
(3) melt material through the tabletting machine compressing tablet, control thickness is at 1～3mm, send into crushing and classification in the pulverizing mill through cooling off fragmentation, by cyclonic separator with meticulous powder separation, powder sieving through cyclonic separation is waited until product, granularity control: 150 μ m oversize powders≤3%, 250 μ m oversize powder≤0.2%.
The invention has the advantages that this heavy corrosion protection epoxy powder coating has that construction technology is good, cross-linking density is high, chemical mediator-resitant property is excellent, strong adhesion, wear-resisting, cold-resistant thermal shocking and the high characteristics of gloss; can satisfy the protection requirement of buried pipeline; and have characteristics such as technology is simple, raw material is easy to get, be fit to large-scale commercial production.
It is base-material that the phenol aldehyde modified epoxy double antiseptic powder coating of FBE of the present invention adopts phenol aldehyde modified Resins, epoxy,
Its structural representation is as scheming:
Compare with traditional Resins, epoxy, the crosslinking activity position is many, the characteristics of the high high temperature rapid curing of reactive behavior but have, and the densification of filming, the antiseptic property that cooperate phenol aldehyde modified firming agent to form are good, and good leveling property, gloss height.
The present invention relates to have that construction technology is good, chemical mediator-resitant property is excellent, strong adhesion, the phenol aldehyde modified epoxy double antiseptic powder coating of FBE wear-resisting, cold-resistant thermal shocking and preparation method thereof.It is base-material that FBE heavy corrosion protection epoxy powder coating is selected phenol aldehyde modified Resins, epoxy for use, with phenol aldehyde modified firming agent, flow agent, curing catalyst, defoamer, titanium dioxide, process white, phthalocyanine blue and medium chrome yellow medium yellow etc. by high-speed mixing, melt extrude, cool off operations such as compressing tablet, crushing and classification and screening and obtain.
Embodiment
Embodiment 1:
The demonstrated preparation method of the phenol aldehyde modified epoxy double antiseptic powder coating of FBE of the present invention of present embodiment.
With phenol aldehyde modified Resins, epoxy 50.00kg, solidifying agent 10.00kg, flow agent 2.00kg adds in the high-speed mixer and mixed 2 minutes, add air release agent 0.28kg, curing catalyst 0.02kg, medium chrome yellow medium yellow 0.50kg, phthalocyanine blue 0.05kg, titanium dioxide 2.50kg, process white 34.65kg, high-speed mixing 3 minutes, the pre-mixing material adds forcing machine and melt extrudes, 88 ℃ of feeding section temperature, 100 ℃ of melt zone temperature, 110 ℃ of mixing sections, 100 ℃ of discharging sections, the forcing machine rotating speed is controlled at 70rpm, compressing tablet on air-cooled track type compressing tablet crusher, cooling, broken, compressing tablet thickness 2mm, be broken into the thin slice of 5～10mm, in pulverising mill through pulverizing, classification, cyclonic separator separates and screening obtains product, removed fine powder by cyclonic separation, product granularity control: 150 μ m oversize powders≤3%, 250 μ m oversize powder≤0.2%.
Embodiment 2:
The prescription of the phenol aldehyde modified epoxy double antiseptic powder coating of FBE is as follows:
Phenol aldehyde modified Resins, epoxy 37.50kg
E-12 Resins, epoxy 12.50kg
Solidifying agent 12.50kg
Flow agent 1.00kg
Air release agent 0.30kg
Curing catalyst 0.03kg
Medium chrome yellow medium yellow 0.50kg
Phthalocyanine blue 0.05kg
Titanium dioxide 2.50kg
Process white 33.12kg
Product granularity control: 150 μ m oversize powders≤3%, 250 μ m oversize powder≤0.2%
Embodiment 3:
The prescription of the phenol aldehyde modified epoxy double antiseptic powder coating of FBE is as follows:
Phenol aldehyde modified Resins, epoxy 25.00kg
E-12 Resins, epoxy 25.00kg
Solidifying agent 15.00kg
Flow agent 1.70kg
Air release agent 0.20kg
Curing catalyst 0.05kg
Medium chrome yellow medium yellow 0.50kg
Phthalocyanine blue 0.05kg
Titanium dioxide 2.50kg
Process white 30.00kg
Product granularity control: 150 μ m oversize powders≤3%, 250 μ m oversize powder≤0.2%
The accessible technical indicator of the phenol aldehyde modified epoxy double antiseptic powder coating of FBE that makes by embodiment:
A. the performance of anti-corrosion epoxy powder
The project quality index
Appearance luster is even, does not have caking
Set time (180 ℃)/min≤5
Set time (180 ℃)/s≤90
Sticking power/level≤2
Non-volatile content (%) 〉=99.4
Size-grade distribution (%) 150 μ m sieve≤3.0
Last powder≤0.2
250 μ m oversize powders 1300～1500
Density (kg/m
3)≤0.002
Magnetic material content (%)
B. the performance index of heavy corrosion protection epoxy powder coating
The project quality index
Flat appearance, color and luster is even, allows slight tangerine
24h cathodic disbonding (mm) skin
28d cathodic disbonding (mm)≤4
Section porosity (level)≤10
Adhesive surface porosity (level) 1～4
Anti-3 ° of bendings 1～4
Hit flawless among the anti-1.5J
Electrical strength (MV/M) free of pinholes
Volume specific resistance (Ω m) 〉=30
Sticking power (level) 1 * 10
13
Wear resistance (L/ μ m) 1～3
≥3
Claims (2)
1, the phenol aldehyde modified epoxide powder coating of FBE is characterized in that by mass percentage:
Phenol aldehyde modified Resins, epoxy 25%～50%
E-12 Resins, epoxy 0%～25%
Solidifying agent 10%～15%
Flow agent 0.5%～2.0%
Air release agent 0.2%～0.3%
Curing catalyst 0.02%～0.05%
Medium chrome yellow medium yellow 0.5%
Phthalocyanine blue 0.05%
Titanium dioxide 2.5%
Process white 25%～30%
2, the preparation method of the phenol aldehyde modified epoxide powder coating of the described FBE of claim 1 is characterized in that:
(1) with phenol aldehyde modified Resins, epoxy, E-12 Resins, epoxy, solidifying agent, flow agent high-speed mixing 1～2 minute, the air release agent, curing catalyst, medium chrome yellow medium yellow, phthalocyanine blue, titanium dioxide, process white etc. that add formula ratio mixed 3～5 minutes;
(2) mixture adding forcing machine melt extrudes, and the temperature of feeding section is 80～92 ℃, and the temperature of melt zone is 95～105 ℃, and the temperature of mixing section is 110～120 ℃, and the temperature of discharging section is 100～110 ℃; The material average retention time is no more than 60 seconds;
(3) melt material through the tabletting machine compressing tablet, control thickness is sent into crushing and classification in the pulverizing mill at 1～3mm through cooling off fragmentation, with meticulous powder separation, waits until product through the powder sieving of cyclonic separation by cyclonic separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100427718A CN1328339C (en) | 2005-06-01 | 2005-06-01 | FBE pnenolic aldehyde modified epoxy powder coating and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100427718A CN1328339C (en) | 2005-06-01 | 2005-06-01 | FBE pnenolic aldehyde modified epoxy powder coating and its preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1733853A true CN1733853A (en) | 2006-02-15 |
| CN1328339C CN1328339C (en) | 2007-07-25 |
Family
ID=36076480
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100427718A Expired - Fee Related CN1328339C (en) | 2005-06-01 | 2005-06-01 | FBE pnenolic aldehyde modified epoxy powder coating and its preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1328339C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531857B (en) * | 2009-04-24 | 2011-02-16 | 江苏欧赛德钢涂有限公司 | Epoxy resin powder paint and application thereof |
| CN102161859A (en) * | 2011-05-27 | 2011-08-24 | 常州市飞扬粉末涂料有限公司 | Modified epoxy heavy-duty anticorrosion powder paint and preparation method thereof |
| CN103131297A (en) * | 2013-02-03 | 2013-06-05 | 倪进培 | Powder coating with trioctyl trimellitate |
| CN103160184A (en) * | 2013-02-20 | 2013-06-19 | 江苏吉福新材料有限公司 | Rapidly-solidified phenolic aldehyde epoxy coating |
| CN103351784A (en) * | 2013-07-19 | 2013-10-16 | 天津瑞远粉末涂料有限公司 | Rolling painting fusion bonded epoxy powder coating and preparation method thereof |
| CN106439263A (en) * | 2016-11-21 | 2017-02-22 | 无锡金顶石油管材配件制造有限公司 | Anti-corrosion petroleum pipeline |
| CN106634431A (en) * | 2016-12-20 | 2017-05-10 | 山东东方新材料有限公司 | Superhydrophobic-structure fusion-bonded epoxy powder paint and preparation method thereof |
| CN108003745A (en) * | 2017-12-01 | 2018-05-08 | 成都信达高分子材料有限公司 | A kind of pure epoxy powdery paints and preparation method thereof |
| CN108084840A (en) * | 2017-12-01 | 2018-05-29 | 成都信达高分子材料有限公司 | A kind of pure epoxy powdery paints and preparation method thereof |
| CN110105842A (en) * | 2019-04-23 | 2019-08-09 | 天津翔盛新材料有限公司 | A kind of dedicated drag reduction wax control powdery paints of crude oil pipeline and application |
| CN110819157A (en) * | 2019-11-28 | 2020-02-21 | 衡阳科盈钢管有限公司 | Production process of double-layer epoxy powder |
-
2005
- 2005-06-01 CN CNB2005100427718A patent/CN1328339C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531857B (en) * | 2009-04-24 | 2011-02-16 | 江苏欧赛德钢涂有限公司 | Epoxy resin powder paint and application thereof |
| CN102161859A (en) * | 2011-05-27 | 2011-08-24 | 常州市飞扬粉末涂料有限公司 | Modified epoxy heavy-duty anticorrosion powder paint and preparation method thereof |
| CN103131297A (en) * | 2013-02-03 | 2013-06-05 | 倪进培 | Powder coating with trioctyl trimellitate |
| CN103131297B (en) * | 2013-02-03 | 2016-03-30 | 安徽伟迈信息技术有限公司 | A kind of powder coating containing trioctyl trimellitate |
| CN103160184A (en) * | 2013-02-20 | 2013-06-19 | 江苏吉福新材料有限公司 | Rapidly-solidified phenolic aldehyde epoxy coating |
| CN103351784A (en) * | 2013-07-19 | 2013-10-16 | 天津瑞远粉末涂料有限公司 | Rolling painting fusion bonded epoxy powder coating and preparation method thereof |
| CN106439263A (en) * | 2016-11-21 | 2017-02-22 | 无锡金顶石油管材配件制造有限公司 | Anti-corrosion petroleum pipeline |
| CN106634431A (en) * | 2016-12-20 | 2017-05-10 | 山东东方新材料有限公司 | Superhydrophobic-structure fusion-bonded epoxy powder paint and preparation method thereof |
| CN106634431B (en) * | 2016-12-20 | 2019-06-25 | 山东东宏管业股份有限公司 | A kind of clinkery epoxy powder coating and preparation method thereof with super-drainage structure |
| CN108003745A (en) * | 2017-12-01 | 2018-05-08 | 成都信达高分子材料有限公司 | A kind of pure epoxy powdery paints and preparation method thereof |
| CN108084840A (en) * | 2017-12-01 | 2018-05-29 | 成都信达高分子材料有限公司 | A kind of pure epoxy powdery paints and preparation method thereof |
| CN110105842A (en) * | 2019-04-23 | 2019-08-09 | 天津翔盛新材料有限公司 | A kind of dedicated drag reduction wax control powdery paints of crude oil pipeline and application |
| CN110105842B (en) * | 2019-04-23 | 2021-08-31 | 天津翔盛新材料有限公司 | Special drag-reducing and wax-preventing powder coating for crude oil conveying pipeline and application |
| CN110819157A (en) * | 2019-11-28 | 2020-02-21 | 衡阳科盈钢管有限公司 | Production process of double-layer epoxy powder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1328339C (en) | 2007-07-25 |
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Granted publication date: 20070725 Termination date: 20100601 |