CN102329543A - Hard film rust inhibiting oil for metal rust inhibition of nuclear power equipment and preparation method thereof - Google Patents
Hard film rust inhibiting oil for metal rust inhibition of nuclear power equipment and preparation method thereof Download PDFInfo
- Publication number
- CN102329543A CN102329543A CN201110285011A CN201110285011A CN102329543A CN 102329543 A CN102329543 A CN 102329543A CN 201110285011 A CN201110285011 A CN 201110285011A CN 201110285011 A CN201110285011 A CN 201110285011A CN 102329543 A CN102329543 A CN 102329543A
- Authority
- CN
- China
- Prior art keywords
- hard film
- nuclear power
- reaction kettle
- next step
- out next
- Prior art date
- 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.)
- Granted
Links
Abstract
The invention discloses hard film rust inhibiting oil for the metal rust inhibition of nuclear power equipment, which is prepared from dimethylbenzene, ethyl acetate, copolymeric acrylic resin, alkyd resin, phenolic resin, C5 petroleum resin, C9 petroleum resin, barium soap of an oil lipid oxide, benzotriazole, polyethylene glycol, cobalt naphthenate, calcium naphthenate , span and a pigment. The invention further discloses a preparation method of the hard film rust inhibiting oil for the metal rust inhibition of the nuclear power equipment. Compared with a conventional metal rust-inhibiting hard film, the hard film rust inhibiting oil has the advantages that the protection capability for a metal product which is placed outdoors is relatively higher, elements which are harmful to nuclear power are not contained, corrosivity is free, an ODS (ozone depleting substance) is not generated, and the like.
Description
Technical field
The present invention relates to the rust-proof oil field, particularly a kind of hard film rust preventive oil that is used for the nuclear power generating equipment metal rust preventing and preparation method thereof.
Background technology
The nuclear power generating equipment major part is formed by the metallic steel manufacturing, and metallic steel, is easy to by corrosion in the salt mist environment in humidity, the antirust processing of finished product this just need carry out the rust prevention during manufacture processing and make completion in manufacturing processed after.
Because nuclear power generating equipment belongs to weight equipment, technical sophistication, manufacturing processed is longer, and equipment claimed two above units of the family relay that has is accomplished, and the inter process interval time is longer.For avoiding corrosion, reducing the loss, factory has adopted various methods, protects the nuclear power generating equipment component with antirust grease, is one of present modal means of defence.
Before this, only considered that corrosion influences nuclear power generating equipment, nuclear power generating equipment has been influenced and ignored antirust grease (comprising slushing oil, antirust mantle, antirust dura mater) itself.Along with technical progress, understanding is deepened, and recognizes that elements such as fluorine in the antirust grease, chlorine, sulphur have pollution to the nuclear power generating equipment material.For fear of such pollution, be necessary to research and develop a kind of antirust grease, make wherein constituent contents such as fluorine, chlorine, sulphur, satisfy the anti-pollution requirement of nuclear power generating equipment.
Summary of the invention
Technical problem first aspect to be solved by this invention be to provide a kind of relative safety high, do not contain ODS material, constituent contents such as fluorine, chlorine, sulphur wherein; Satisfy the anti-pollution requirement of nuclear power generating equipment; Can effectively prevent corrosion of metal; Be highly resistant to salt fog, can the quick-drying hard film rust preventive oil that is used for the nuclear power generating equipment metal rust preventing.
Technical problem second aspect to be solved by this invention is to provide the above-mentioned preparation method who is used for the hard film rust preventive oil of nuclear power generating equipment metal rust preventing.
A kind of hard film rust preventive oil that is used for the nuclear power generating equipment metal rust preventing as first aspect present invention is characterized in that, and is formulated by following raw materials by weight percent:
YLENE 50～80%;
Ethyl acetate 0.1～10%;
Co-polypropylene acid resin 4～20%;
Synolac 0.1～8%;
Resol 4～20%;
C5 petroleum resin 0～20%;
C9 petroleum resin 0～20%;
Oxidized petrolatum barium soap 1～5%;
Benzotriazole 0～2%;
Polyoxyethylene glycol 0.1～5%;
Cobalt naphthenate 0.01～2%;
Calcium naphthenate 0.01～2%;
Sapn 0.01～5%;
Pigment 0.01～2%.
In a preferred embodiment of the invention, it is formulated by following raw materials by weight percent to be used for the hard film rust preventive oil of nuclear power generating equipment metal rust preventing:
YLENE 75.8%;
ETHYLE ACETATE 0.4%;
Co-polypropylene acid resin 9%;
Synolac 2%;
Resol 9%;
C5 petroleum resin 0.1%;
C9 petroleum resin 0.1%;
Oxidized petrolatum barium soap 1%;
Benzotriazole 0.15%;
Polyoxyethylene glycol 1%;
Cobalt naphthenate 0.1%;
Calcium naphthenate 0.1%;
Sapn 1%;
Pigment 0.25%.
Be used for the preparation method of the hard film rust preventive oil of nuclear power generating equipment metal rust preventing as second aspect present invention, form by following steps:
(1) earlier with reaction kettle with vacuum pump be evacuated-0.095～-0.098Mpa, close vacuum valve;
(2) the YLENE suction reaction kettle with formula ratio also carries out next step after the unlatching stirring;
(3) with the ETHYLE ACETATE suction reaction kettle of formula ratio and stir and carry out next step after 30-35 minute;
(4) co-polypropylene acid resin, C5 petroleum resin, C9 petroleum resin, resol, Synolac, the oxidized petrolatum barium soap with formula ratio drops into reaction kettle successively, and airtight and stirring is warming up to 50 ℃, stirs and carries out next step after 6 hours;
(5) behind frozen cooling to 8～12 ℃ the benzotriazole of formula ratio is dropped into reaction kettle and stir after 30-35 minute and carry out next step;
(6) polyoxyethylene glycol of formula ratio is dropped into reaction kettle and stir after 30-35 minute and carry out next step;
(7) cobalt naphthenate of formula ratio, calcium naphthenate are dropped into reaction kettle and stir after 30-35 minute and carry out next step;
(8) sapn of formula ratio, pigment are dropped into reaction kettle and stir after 30-35 minute and carry out next step;
(9) after all materials are thrown in and finished, stop to stir, leave standstill agingly, agingly carry out next step after 24 hours;
(10) must be used for the hard film rust preventive oil of nuclear power generating equipment metal rust preventing through 500 order filtering net blowings.
In step of the present invention (2), (3), (4), (5), (6), (7), (8), its stirring velocity is 60 rev/mins.
The method of use of hard film rust preventive oil that the present invention is used for the nuclear power generating equipment metal rust preventing is following: finding is immersed in the about 2-3 of liquid second, takes out seasoning.Heavy parts can be with hairbrush or Cylinder coating brush on workpiece, seasoning.The surface drying speed of hard film rust preventive oil is fast, only needs 10 minutes, and the surface will be dry and hard.Remove hard film rust preventive oil like need, moistening a little as long as use the nuclear power solvent cleaner, wipe gently and get final product.
The present invention is used for the hard film rust preventive oil and existing metal rust preventing dura mater ratio of nuclear power generating equipment metal rust preventing, does not contain nuclear power generating equipment is produced pollution element, has the damp and hot ability of excellent anti, is not made of salt.Have the salt fog resistance ability, satisfy sea transport, needs are installed.
Embodiment
In order to make technique means of the present invention, creation characteristic, to reach purpose and effect and be easy to understand and understand,, further set forth the present invention below in conjunction with concrete diagram.
The unit of the proportioning numerical value that following examples relate to is mass parts.
Embodiment 1
Solvent xylene, acetate second influence drying rate with different proportionings.
Experimental technique: the YLENE and the ethyl acetate of a certain amount of (0.2 gram) are smoothened at certain area (7850mm
2) on the watch-glass, put into 25 ± 1 ℃ of convection oven, record time of drying, calculate the relatively dry time.
Table 1: the time of drying (this shows only selected part data) of YLENE and the different proportionings of ETHYLE ACETATE
| The solvent title | Proportioning | Time of drying (minute) | Remarks |
| ETHYLE ACETATE | 100％ | 2 | |
| YLENE/ETHYLE ACETATE | 5∶1 | 6 | |
| YLENE/ETHYLE ACETATE | 8∶1 | 10 | |
| YLENE/ETHYLE ACETATE | 50∶1 | 11 | |
| YLENE/ETHYLE ACETATE | 100∶1 | 12 | |
| YLENE/ETHYLE ACETATE | 190∶1 | 12 | |
| YLENE | 100％ | 13 |
Can find out that by watch 1 the ETHYLE ACETATE evaporation rate is faster than YLENE.In YLENE, add amount of ethyl acetate and can accelerate solvent seasoning speed, shorten the time of drying of hard film rust preventive oil.The customer requirement hard film rust preventive oil surface drying time that has just needed to improve ETHYLE ACETATE quality percentage amounts in ten minutes.
Embodiment 2
Solvent xylene, ETHYLE ACETATE influence co-polypropylene acid resin, oxidized petrolatum barium soap dissolution rate with different proportionings.(massfraction %)
Experimental technique: in three-necked flask,, put into (100 gram) and with different proportioning YLENE and ethyl acetate mixed solvent, be warming up to 50 ℃, the record dissolution time with the co-polypropylene acid resin or (2 gram) oxidized petrolatum barium soap of a certain amount of (20 gram).
Table 2: the different proportionings with ETHYLE ACETATE of YLENE are to co-polypropylene acid resin, oxidized petrolatum barium soap dissolution time (this shows only selected part data)
Can find out that by table 2 ETHYLE ACETATE can relatively comparatively fast dissolve oxidized petrolatum barium soap, YLENE can relatively comparatively fast dissolve the co-polypropylene acid resin.For save energy consumption, according to the product actual needs, solvent selects appropriate ratio very important.
Embodiment 3
Co-polypropylene acid resin, Synolac, resol, C5 petroleum resin, the different proportionings of C9 petroleum resin influence the solvent tolerant ability.
Experimental technique: will dissolve good co-polypropylene acid resin, Synolac, resol, C5 petroleum resin, C9 petroleum resin and smoothen at certain area (7850mm
2) on the bright iron plate, immerse in the kerosene, placed 60 seconds, take out, use clean calico, wiping tries.Can not wipe, solvent resistance is good, in the solvent resistance that part is wiped, and the poor solvent resistance of all wiping.
Table 3: co-polypropylene acid resin, Synolac, resol, the different proportionings of C5/C9 petroleum resin influence the solvent tolerant ability.
Can find out the co-polypropylene acid resin by last table, resol has anti-preferably solvent ability, and the anti-solvent ability of C5/C9 petroleum resin is relatively poor.The customer requirement that has applies the product of hard film rust preventive oil, and anti-solvent ability is good, and suitable long-distance transport adapts to the storage under the complex working condition.Just need the co-polypropylene acid resin this moment, and resol is as the main body composition.The customer requirement that has applies the product of hard film rust preventive oil, adapts to of short duration rust prevention during manufacture needs, can dry easily to the greatest extent by enough kerosene equal solvents, does not need scavenger specially, saves time, and saves money, and is laborsaving.Just need C5 petroleum resin, C9 petroleum resin as the main body composition this moment.
Embodiment 4
Oxidized petrolatum barium soap, benzotriazole adding influence rustless property.
Experimental technique: oxidized petrolatum barium soap, benzotriazole are dissolved in xylene solvent respectively, be mixed with 1% solution, 2% solution is then with metallic steel; The copper test piece is put into above-mentioned solution respectively and is soaked half a minute, takes out airing; Hang on the indoor shelf, below shelf, put Yi Penshui, placed for two weeks respectively; After one month, whether the observation metal is bright, gets rusty.
Table 4: oxidized petrolatum barium soap, benzotriazole adding influence rustless property.
Can find out that by last table oxidized petrolatum barium soap has rust-proof effect to steel, antirust undesirable to non-ferrous metal, benzotriazole has rust-proof effect to non-ferrous metal, but poor to the ferrous metal rust-proof effect.In order to obtain rust-proof effect comprehensively, two kinds of rust-preventive agent add simultaneously in prescription.In order to satisfy different clients to rust-proof life length demands of different, adjustment rust-preventive agent add-on.
Embodiment 5
Cobalt naphthenate, calcium naphthenate adds the influence to the surface drying time of metal rust preventing dura mater.
Experimental technique: with cobalt naphthenate, calcium naphthenate adds in the various proportionings of hard film rust preventive oil, the speed of observation metal rust preventing dura mater surface drying.
Table 5: cobalt naphthenate, calcium naphthenate adds the influence to the surface drying time of various different proportioning hard film rust preventive oils.(this shows only selected part data)
Can find out that through last table add cobalt naphthenate, calcium naphthenate can obviously reduce the surface drying time of hard film rust preventive oil, along with cobalt naphthenate, the calcium naphthenate amount increases, and surface drying time shortens, and the Synolac amount increases, and surface drying time increases.Cobalt naphthenate is compared with calcium naphthenate, the cobalt naphthenate better effects if.But join more than 2% surface drying time, do not have obviously and reduce.
Embodiment 6
Some large-scale hardwares behind the brushing hard film rust preventive oil, generally all are placed on the open air, and this just needs hard film rust preventive oil, have and necessarily resist rainwater, Exposure to Sunlight ability.The adding of polyoxyethylene glycol, sapn is to the wetting resistance influence of hard film rust preventive oil.
Experimental technique: will be coated with the cast iron test piece of different proportioning hard film rust preventive oils, and be placed on (50 ℃ of temperature, humidity is more than 95%) in the humidity cabinet, whenever at a distance from inspection in 24 hours once, the test piece of observation cast iron has or not gets rusty.
Table 6: polyoxyethylene glycol, sapn add the influence to the wetting resistance of various different proportioning hard film rust preventive oils.(this shows only selected part data)
Some large-scale hardwares behind the brushing hard film rust preventive oil, generally all are placed on the open air, and this just needs hard film rust preventive oil, have and necessarily resist rainwater, Exposure to Sunlight ability.Some tiny pores are arranged after the resin film forming, therefore can not keep out moisture fully and invade.There is table 6 to find out, polyoxyethylene glycol, the adding of sapn can effectively stop water molecules to be invaded, and obviously improves hard film rust preventive oil and keeps out the moisture infiltration capability, the protection metal.Make large-scale hardware, behind the brushing hard film rust preventive oil, at the medium-term and long-term non-corrosive of rainwater, polyoxyethylene glycol, sapn consumption are more than 1 mass parts.
Embodiment 7
Some large-scale hardwares need through the sea route transportation, and this just needs hard film rust preventive oil to have the salt fog of keeping out ability, prevents the salt fog aptitude tests for this reason.
Experimental technique; With the cast iron test piece that is coated with different proportioning hard film rust preventive oils, be placed in the salt-spray cabinet (35 ± 2 ℃, PH:6.5-7, the solution chlorination na concn of collecting: 50 ± 10g/l), every at a distance from inspection in 24 hours once, observe the cast iron test piece have or not and get rusty.
Table 7: the influence of the anti-salt fog ability of various different proportioning hard film rust preventive oils.(this shows only selected part data)
Can find out that from last table the co-polypropylene acid resin plays a major role to keeping out the salt fog ability.Detect through Shanghai building AS, this hard film rust preventive oil, neutral salt spray test did not have and get rusty in 7 days, and humid heat test 30 days is rustless.
Embodiment 8
This hard film rust preventive oil mainly can be applicable to nuclear power generating equipment.Follow according to the anti-pollution requirement of nuclear power, and the antirust requirement of AP1000 nuclear power projects forging, halogen, S muriate, lead in the metal rust preventing dura mater, mercury content must be below prescribed value.Through Shanghai organic chemistry institute of the Chinese Academy of Sciences, Shanghai Research Institute Of Coatings inspection center is detected, and satisfies the anti-pollution requirement of nuclear power generating equipment fully.
Claims (4)
1. a hard film rust preventive oil that is used for the nuclear power generating equipment metal rust preventing is characterized in that, and is formulated by following raw materials by weight percent:
YLENE 50～80%;
Ethyl acetate 0.1～10%;
Co-polypropylene acid resin 4～20%;
Synolac 0.1～8%;
Resol 4～20%;
C5 petroleum resin 0～20%;
C9 petroleum resin 0～20%;
Oxidized petrolatum barium soap 1～5%;
Benzotriazole 0～2%;
Polyoxyethylene glycol 0.1～5%;
Cobalt naphthenate 0.01～2%;
Calcium naphthenate 0.01～2%;
Sapn 0.01～5%;
Pigment 0.01～2%.
2. the hard film rust preventive oil that is used for the nuclear power generating equipment metal rust preventing as claimed in claim 1 is characterized in that, and is formulated by following raw materials by weight percent:
YLENE 75.8%;
ETHYLE ACETATE 0.4%;
Co-polypropylene acid resin 9%;
Synolac 2%;
Resol 9%;
C5 petroleum resin 0.1%;
C9 petroleum resin 0.1%;
Oxidized petrolatum barium soap 1%;
Benzotriazole 0.15%;
Polyoxyethylene glycol 1%;
Cobalt naphthenate 0.1%;
Calcium naphthenate 0.1%;
Sapn 1%;
Pigment 0.25%.
3. prepare the method for the hard film rust preventive oil that is used for the nuclear power generating equipment metal rust preventing of claim 1 or 2, it is characterized in that, form by following steps:
(1) earlier with reaction kettle with vacuum pump be evacuated-0.095～-0.098Mpa, close vacuum valve;
(2) the YLENE suction reaction kettle with formula ratio also carries out next step after the unlatching stirring;
(3) with the ETHYLE ACETATE suction reaction kettle of formula ratio and stir and carry out next step after 30-35 minute;
(4) co-polypropylene acid resin, C5 petroleum resin, C9 petroleum resin, resol, Synolac, the oxidized petrolatum barium soap with formula ratio drops into reaction kettle successively, and airtight and stirring is warming up to 50 ℃, stirs and carries out next step after 6 hours;
(5) behind frozen cooling to 8～12 ℃ the benzotriazole of formula ratio is dropped into reaction kettle and stir after 30-35 minute and carry out next step;
(6) polyoxyethylene glycol of formula ratio is dropped into reaction kettle and stir after 30-35 minute and carry out next step;
(7) cobalt naphthenate of formula ratio, calcium naphthenate are dropped into reaction kettle and stir after 30-35 minute and carry out next step;
(8) sapn of formula ratio, pigment are dropped into reaction kettle and stir after 30-35 minute and carry out next step;
(9) after all materials are thrown in and finished, stop to stir, leave standstill agingly, agingly carry out next step after 24 hours;
(10) must be used for the hard film rust preventive oil of nuclear power generating equipment metal rust preventing through 500 order filtering net blowings.
4. method as claimed in claim 3 is characterized in that, in said step (2), (3), (4), (5), (6), (7), (8), its stirring velocity is 60 rev/mins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110285011.5A CN102329543B (en) | 2011-09-22 | 2011-09-22 | Hard film rust inhibiting oil for metal rust inhibition of nuclear power equipment and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110285011.5A CN102329543B (en) | 2011-09-22 | 2011-09-22 | Hard film rust inhibiting oil for metal rust inhibition of nuclear power equipment and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102329543A true CN102329543A (en) | 2012-01-25 |
| CN102329543B CN102329543B (en) | 2014-01-08 |
Family
ID=45481518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110285011.5A Active CN102329543B (en) | 2011-09-22 | 2011-09-22 | Hard film rust inhibiting oil for metal rust inhibition of nuclear power equipment and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102329543B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634270A (en) * | 2012-03-27 | 2012-08-15 | 马鞍山采石矶涂料有限公司 | Hard film rust preventive oil for train hub rust prevention and preparation method of hard film rust preventive oil |
| CN103146238A (en) * | 2013-02-04 | 2013-06-12 | 安徽省繁昌县皖南阀门铸造有限公司 | Metal rust-preventative oil containing trimerization glycerol monostearate |
| CN103665980A (en) * | 2013-11-29 | 2014-03-26 | 江苏帕齐尼铜业有限公司 | Anticorrosive primer for copper |
| CN103756534A (en) * | 2013-12-27 | 2014-04-30 | 吴江市东泰电力特种开关有限公司 | Conductive anti-corrosion coating and preparation method thereof |
| CN103773148A (en) * | 2014-01-20 | 2014-05-07 | 南通钰成光电科技有限公司 | Corrosion-resistant coating for metal lamp post and preparation method of corrosion-resistant coating |
| CN104312364A (en) * | 2013-11-14 | 2015-01-28 | 青岛伊森化学有限公司 | Anti-rust paint and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944556A (en) * | 2006-11-13 | 2007-04-11 | 三河市来金涂料工程有限公司 | Anti-rust paint and anti-rust coating and their preparing method |
| CN101245218A (en) * | 2008-03-14 | 2008-08-20 | 大连科海新材料科技有限公司 | Gas-phase anti-corrosion paint |
| CN102153935A (en) * | 2011-01-27 | 2011-08-17 | 衡阳艳利化学工业有限公司 | Interpenetrating network hard coat antirust oil and preparation method thereof |
-
2011
- 2011-09-22 CN CN201110285011.5A patent/CN102329543B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944556A (en) * | 2006-11-13 | 2007-04-11 | 三河市来金涂料工程有限公司 | Anti-rust paint and anti-rust coating and their preparing method |
| CN101245218A (en) * | 2008-03-14 | 2008-08-20 | 大连科海新材料科技有限公司 | Gas-phase anti-corrosion paint |
| CN102153935A (en) * | 2011-01-27 | 2011-08-17 | 衡阳艳利化学工业有限公司 | Interpenetrating network hard coat antirust oil and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634270A (en) * | 2012-03-27 | 2012-08-15 | 马鞍山采石矶涂料有限公司 | Hard film rust preventive oil for train hub rust prevention and preparation method of hard film rust preventive oil |
| CN103146238A (en) * | 2013-02-04 | 2013-06-12 | 安徽省繁昌县皖南阀门铸造有限公司 | Metal rust-preventative oil containing trimerization glycerol monostearate |
| CN103146238B (en) * | 2013-02-04 | 2015-11-18 | 安徽省繁昌县皖南阀门铸造有限公司 | A kind of rust-proof oil containing Tripolyglycerol monostearates |
| CN104312364A (en) * | 2013-11-14 | 2015-01-28 | 青岛伊森化学有限公司 | Anti-rust paint and preparation method thereof |
| CN103665980A (en) * | 2013-11-29 | 2014-03-26 | 江苏帕齐尼铜业有限公司 | Anticorrosive primer for copper |
| CN103756534A (en) * | 2013-12-27 | 2014-04-30 | 吴江市东泰电力特种开关有限公司 | Conductive anti-corrosion coating and preparation method thereof |
| CN103773148A (en) * | 2014-01-20 | 2014-05-07 | 南通钰成光电科技有限公司 | Corrosion-resistant coating for metal lamp post and preparation method of corrosion-resistant coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102329543B (en) | 2014-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102329543B (en) | Hard film rust inhibiting oil for metal rust inhibition of nuclear power equipment and preparation method thereof | |
| CN108950567B (en) | Antirust agent for cold-rolled steel coil subjected to cover annealing and application method thereof | |
| CN103820012B (en) | Protective system, its preparation method and surface have the oil pipe of protective system | |
| CN103540937A (en) | Solvent type antirust cleaning agent used for cleaning and preventing rust of metal parts and components | |
| CN111575693B (en) | Chromium-free pre-passivation solution for hot-dip galvanized steel pipe | |
| CN107557709A (en) | A kind of environment-friendly type zincincation | |
| CN110468398A (en) | A kind of phytic acid passivating solution and preparation and deactivating process for the treatment of | |
| CN114133848A (en) | Zinc-aluminum-magnesium alloy steel plate surface treatment liquid and preparation method and use method thereof | |
| CN101476099A (en) | Method for steel product batch hot dip galvanizing | |
| CN105970138A (en) | Long-lasting corrosion prevention method of transmission line tower | |
| CN107663471A (en) | A kind of high capability of anti-salt mist solvent cutback rust preventing oil and preparation method thereof | |
| CN104277693B (en) | Anti-rust paint for ship and preparation method thereof | |
| CN104120439A (en) | Environment-friendly type water-based metal cleaning agent and manufacturing method thereof | |
| CN104313589B (en) | A kind of micro-emulsion type metal antirust solution and preparation method thereof | |
| CN106010756A (en) | Water displacement type steel plate lubrication and rust prevention oil | |
| CN104213126A (en) | Metal surface rust inhibitor and preparation method thereof | |
| CN113249715B (en) | Prefilming agent for water cooler of circulating cooling water and preparation method and application thereof | |
| CN105239067B (en) | A kind of environment-friendly metal high temperature quenching antirust agent and preparation method thereof | |
| CN103966609A (en) | Method for preparing efficient acid-proof corrosion inhibiter | |
| CN104087946B (en) | After a kind of washing is clean, use antirust oil | |
| CN103045329A (en) | Urea gas phase slow-release anti-rust oil and preparation method thereof | |
| CN111304572A (en) | Hot-dip galvanizing process for corrosion-resistant steel pipe | |
| CN109852975A (en) | A kind of galvanizing equipment restrainer | |
| CN111087877A (en) | Oil immersion-free antirust blackening agent and preparation method and application thereof | |
| CN104213130A (en) | Cold-drawn steel pipe treating agent as well as preparation method and cold-drawn steel pipe treating method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |