CN106085218B - A kind of high-efficiency environment friendly compound closure agent - Google Patents
A kind of high-efficiency environment friendly compound closure agent Download PDFInfo
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- CN106085218B CN106085218B CN201610683064.5A CN201610683064A CN106085218B CN 106085218 B CN106085218 B CN 106085218B CN 201610683064 A CN201610683064 A CN 201610683064A CN 106085218 B CN106085218 B CN 106085218B
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/68—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
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- 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
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- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a kind of compound closure agent of high-efficiency environment friendly, it is related to watersoluble closed dose of technical field, the compound closure agent of the high-efficiency environment friendly is by methyl silicon resin, alkyd resin, 50~60 parts of alumina sol, redox graphene, catalyst, film forming agent, lubricant, accelerating agent, metal inhibitor, surfactant, silane coupling agent, low-carbon alcohols, water forms, the compound closure agent of the present invention is water-based system, be conducive to environmental protection and the health of operator, the adhesive force of zinc-plating material after Seal treatment substantially increases, the neutral salt spray time is more than 400h, it is homogeneous after sealer drying, it is smooth, non-discolouring transparent membrane, final corrosion-inhibiting coating can be used as, and sealer preparation method is simple, practicality is high.
Description
Technical field
The present invention relates to watersoluble closed dose of technical field, and in particular to a kind of high-efficiency environment friendly compound closure agent.
Background technology
China is the first in the world big steel producing country, but steel is the metal easily corroded.The whole world just has 1 in every 90 seconds
Ton steel corrosion refines the energy needed for 1 ton of steel then for one family with 3 months into iron rust, therefore at the corrosion resistant surfaces of iron
Reason technology is important all the more.
At present, steel surface phosphatization and zirconium treatment are common anti-corrosion means.By steel substrate and contain phosphate
Conversion fluid react, steel surface formed phosphating coat.But phosphating coat itself is porous, corrosion resistance is limited, so also
Further closing Passivation Treatment must be done to it.
Common sealer is chromic acid product salt.Chromic acid product salt has film forming, and one layer of cause can be formed in metal surface
Close water and oxide-film, and the also function of self-regeneration.Its is of low cost, and technique is simple, and sealing effect is good.But six
Valency chromium has strong toxicity, is one of carcinogenic substance having confirmed that, in addition chromium or a kind of sensibiligen, and the compound of Cr VI has
Some irritation and corrosivity.Trivalent chromium is due to hydrolysis and Cr (OH)3Solubility it is small, be not up in water body harmful
Concentration, Cr VI is with CrO4-Form exist, from the limitation of ambient condition, very high concentration can be reached in water.Cause
This, not trivalent chromium toxicity is little, but because its existing form is not up to very high adverse concentration under normal circumstances
It is horizontal.No matter trivalent chromium or Cr VI, its potential danger is fairly obvious, so stringent limit is carried out in discharge of the country to chromium
System, some countries have been proposed Chrome-free in waste water and discharge.
In the prior art, common chromium-free deactivation product, which still exists, is only used for phosphating solution passivation aspect, and new
In cold-reduced sheet without silicon plate, hot rolled plate, ironcasting etc. with after Passivation Treatment, easily get rusty more, after spray painting anti-corrosion ability reduce etc.
Shortcoming, therefore it is extremely urgent to research and develop a kind of new and effective sealer.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of compound closure agent, it not only there is excellent closing to imitate
Fruit, prevents steel corrosion, and with the characteristics of environment-protecting and non-poisonous, safe and reliable.
In order to achieve the above object, the present invention is achieved by the following technical programs：
A kind of high-efficiency environment friendly compound closure agent, by the material composition of following parts by weight：50~80 parts of methyl silicon resin, alkyd
10~30 parts of resin, 50~60 parts of alumina sol, 3~10 parts of redox graphene, 0.5~2 part of catalyst, film forming agent 1
~3 parts, 1~3 part of lubricant, 3~5 parts of accelerating agent, 5~8 parts of metal inhibitor, 3~5 parts of surfactant, silane coupling agent 1
~3 parts, 15~20 parts of low-carbon alcohols, 30~50 parts of water.
Preferably, the high-efficiency environment friendly compound closure agent, by the material composition of following parts by weight：60 parts of methyl silicon resin,
20 parts of alkyd resin, 50 parts of alumina sol, 8 parts of redox graphene, 1 part of catalyst, 1 part of film forming agent, 1 part of lubricant,
3 parts of accelerating agent, 6 parts of metal inhibitor, 5 parts of surfactant, 3 parts of silane coupling agent, 20 parts of low-carbon alcohols, 50 parts of water.
Preferably, in the alumina sol aluminium oxide particles a diameter of 20~30nm.
Preferably, the metal inhibitor is one in polyethylene, poly-aspartate, methenamine, amine, lignosulfonate
Kind or two kinds.
Preferably, the surfactant is hydrophobic class surfactant.
Preferably, the surfactant is preferable, and the low-carbon polyol is ethylene glycol, propane diols, isopropanol, just
One or more compositions in butanol, ethanol, glycerine.
Preferably, the preparation method of the high-efficiency environment friendly compound closure agent, comprises the following steps：
(1) by after the graphene concentrated sulfuric acid and concentrated nitric acid oxidation, then reduced with sodium borohydride under ice bath and obtain oxidation also
Former graphene suspension；
(2) water and low-carbon alcohols are uniformly mixed, obtain mixed solvent, then in the mixed solvent add methyl silicon resin and
Alkyd resin, silane coupling agent and catalyst, 1~2h is heated to reflux at 80~100 DEG C, is then added redox graphene and is hanged
Supernatant liquid, continues to be heated to reflux 15~45min, is subsequently cooled to 30~40 DEG C；
(3) film forming agent, lubricant, accelerating agent, metal inhibitor, surface-active are added in the mixing system of step (2)
Agent stirs evenly, and then adds alumina sol, continues 5~10min of stirring, and then 3~5min of ultrasound, obtains high-efficiency environment friendly and answer
Close sealer.
Beneficial effects of the present invention：The present invention is main using the compound modified product of organic methyl silicon resin and alkyd resin
Film forming matter, is used as auxiliary film forming matter by adding inorganic oxide Aluminum sol, forms one layer of dense film in coating surface, improves
The resistance to corrosion of coating, redox graphene are two-dimensional network shape structure, and have stronger combination power with plating interlayer,
Shield coating can be made to completely cut off with external environment, protective coating also add the stability of confining bed from corrosion.The present invention's answers
Conjunction sealer is water-based system, is conducive to environmental protection and the health of operator, the adhesive force of the zinc-plating material after Seal treatment
Obvious increase, neutral salt spray time exceed 400h, sealer dry after be homogeneous, smooth, non-discolouring transparent membrane, Ke Yiyong
Final corrosion-inhibiting coating is made, and sealer preparation method is simple, practicality is high.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
All other embodiments obtained under the premise of creative work, belong to the scope of protection of the invention.
Embodiment 1：
A kind of preparation method of high-efficiency environment friendly compound closure agent, comprises the following steps：
(1) by after the graphene concentrated sulfuric acid and concentrated nitric acid oxidation, then reduced with sodium borohydride under ice bath and obtain oxidation also
Former graphene suspension；
(2) 50 parts of water and 10 parts of ethanol, 10 parts of isopropanols are uniformly mixed, mixed solvent are obtained, then to mixed solvent
60 parts of methyl silicon resins of middle addition and 20 parts of alkyd resins, 3 parts of silane coupling agents and 1 part of catalyst, are heated to reflux at 100 DEG C
1.5h, then adds 8 parts of redox graphene suspensions, continues to be heated to reflux 30min, then cools down 40 DEG C；
(3) 1 part of film forming agent, 1 part of lubricant, 3 parts of accelerating agents, 4 parts of Wu Luotuo are added in the mixed system of step (2)
Product, 2 parts of lignosulfonates, 5 portions of hydrophobic surface activating agents stir evenly, and then adding 50 parts of alumina sols, (aluminium oxide is molten
A diameter of 20nm of aluminium oxide particles in glue), continue 5~10min of stirring, then 3~5min of ultrasound, it is compound to obtain high-efficiency environment friendly
Sealer.
Embodiment 2：
A kind of preparation method of high-efficiency environment friendly compound closure agent, comprises the following steps：
(1) by after the graphene concentrated sulfuric acid and concentrated nitric acid oxidation, then reduced with sodium borohydride under ice bath and obtain oxidation also
Former graphene suspension；
(2) 45 parts of water and 15 parts of glycerine are uniformly mixed, obtain mixed solvent, then add 65 parts in the mixed solvent
Methyl silicon resin and 10 parts of alkyd resins, 1 part of silane coupling agent and 1 part of catalyst, 1.5h, Ran Houjia are heated to reflux at 100 DEG C
Enter 5 parts of redox graphene suspensions, continue to be heated to reflux 15min, be subsequently cooled to 40 DEG C；
(3) 3 parts of film forming agents, 2 parts of lubricants, 5 parts of accelerating agents, 6 parts of poly- asparagus fern ammonia are added in the mixed system of step (2)
Acid, 2 parts of lignosulfonates, 5 parts of polyethylene, 3 parts of aspartic acids, 3 portions of hydrophobic surface activating agents stir evenly, and then add 50
Part alumina sol (a diameter of 20nm of aluminium oxide particles in alumina sol), continues 5~10min of stirring, then ultrasound 3~
5min, obtains high-efficiency environment friendly compound closure agent.
Embodiment 3：
A kind of preparation method of high-efficiency environment friendly compound closure agent, comprises the following steps：
(1) by after the graphene concentrated sulfuric acid and concentrated nitric acid oxidation, then reduced with sodium borohydride under ice bath and obtain oxidation also
Former graphene suspension；
(2) 30 parts of water and 10 parts of isopropanols, 10 parts of ethylene glycol are uniformly mixed, obtain mixed solvent, it is then molten to mixing
50 parts of methyl silicon resins and 20 parts of alkyd resins, 3 parts of silane coupling agents and 0.5 part of catalyst are added in agent, is heated back at 80 DEG C
2h is flowed, 10 parts of redox graphene suspensions is then added, continues to be heated to reflux 45min, be subsequently cooled to 30 DEG C；
(3) 2 parts of film forming agents, 3 parts of lubricants, 3 parts of accelerating agents, 5 parts of ethylenediamines, 5 are added in the mixed system of step (2)
Part hydrophobic surface activating agent stirs evenly, and then adding 60 parts of alumina sols, (aluminium oxide particles is straight in alumina sol
Footpath is 30nm), continue 5~10min of stirring, then 3~5min of ultrasound, obtain high-efficiency environment friendly compound closure agent.
Embodiment 4：
A kind of preparation method of high-efficiency environment friendly compound closure agent, comprises the following steps：
(1) by after the graphene concentrated sulfuric acid and concentrated nitric acid oxidation, then reduced with sodium borohydride under ice bath and obtain oxidation also
Former graphene suspension；
(2) 50 parts of water and 10 parts of propane diols, 5 parts of n-butanols are uniformly mixed, mixed solvent are obtained, then to mixed solvent
60 parts of methyl silicon resins of middle addition and 20 parts of alkyd resins, 3 parts of silane coupling agents and 2 parts of catalyst, 2h is heated to reflux at 80 DEG C,
Then 8 parts of redox graphene suspensions are added, continues to be heated to reflux 30min, is subsequently cooled to 30 DEG C；
(3) 1 part of film forming agent, 2 parts of lubricants, 3 parts of accelerating agents, 5 part of three ethanol are added in the mixed system of step (2)
Amine, 3 parts of lignosulfonates, 3 portions of hydrophobic surface activating agents stir evenly, and then adding 55 parts of alumina sols, (aluminium oxide is molten
A diameter of 20nm of aluminium oxide particles in glue), continue 5~10min of stirring, then 3~5min of ultrasound, it is compound to obtain high-efficiency environment friendly
Sealer.
Embodiment 5：
A kind of preparation method of high-efficiency environment friendly compound closure agent, comprises the following steps：
(1) by after the graphene concentrated sulfuric acid and concentrated nitric acid oxidation, then reduced with sodium borohydride under ice bath and obtain oxidation also
Former graphene suspension；
(2) 45 parts of water, 10 parts of glycerine, 10 parts of isopropanols are uniformly mixed, mixed solvent are obtained, then to mixed solvent
80 parts of methyl silicon resins of middle addition and 30 parts of alkyd resins, 1 part of silane coupling agent and 1.5 parts of catalyst, are heated to reflux at 100 DEG C
1h, then adds 3 parts of redox graphene suspensions, continues to be heated to reflux 15min, be subsequently cooled to 40 DEG C；
(3) 2 parts of film forming agents of addition, 1 part of lubricant, 5 parts of accelerating agents, 5 parts of sulfonation are wooden in the mixed system of step (2)
Element, 5 portions of hydrophobic surface activating agents stir evenly, and then add 55 parts of alumina sols (aluminium oxide particles in alumina sol
A diameter of 30nm), continue 5~10min of stirring, then 3~5min of ultrasound, obtain high-efficiency environment friendly compound closure agent.
To sum up, the embodiment of the present invention has the advantages that：The compound closure agent of the present invention is water-based system, is conducive to
Environmental protection and the health of operator, the adhesive force of the zinc-plating material after Seal treatment substantially increase, and the neutral salt spray time exceedes
400h, is homogeneous, smooth, non-discolouring transparent membrane after sealer drying, can be used as final corrosion-inhibiting coating, and sealer
Preparation method is simple, and practicality is high.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there are other identical element in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to foregoing each implementation
Technical solution described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical solution.
Claims (6)
1. the compound closure agent of a kind of high-efficiency environment friendly, it is characterised in that by the material composition of following parts by weight：Methyl silicon resin 50
~80 parts, 10~30 parts of alkyd resin, 50~60 parts of alumina sol, 3~10 parts of redox graphene, catalyst 0.5~2
Part, 1~3 part of film forming agent, 1~3 part of lubricant, 3~5 parts of accelerating agent, 5~8 parts of metal inhibitor, 3~5 parts of surfactant,
1~3 part of silane coupling agent, 15~20 parts of low-carbon alcohols, 30~50 parts of water.
2. the compound closure agent of high-efficiency environment friendly as claimed in claim 1, it is characterised in that by the material group of following parts by weight
Into：60 parts of methyl silicon resin, 20 parts of alkyd resin, 50 parts of alumina sol, 8 parts of redox graphene, 1 part of catalyst, into
1 part of film, 1 part of lubricant, 3 parts of accelerating agent, 6 parts of metal inhibitor, 5 parts of surfactant, 3 parts of silane coupling agent, low-carbon alcohols
20 parts, 50 parts of water.
3. high-efficiency environment friendly compound closure agent as claimed in claim 2, it is characterised in that aoxidize aluminum shot in the alumina sol
A diameter of 20~30nm of son.
4. the compound closure agent of high-efficiency environment friendly as claimed in claim 3, it is characterised in that the metal inhibitor is poly- second
One or both of alkene, poly-aspartate, methenamine, amine, lignosulfonate.
5. the compound closure agent of high-efficiency environment friendly as claimed in claim 4, it is characterised in that the surfactant is hydrophobic class
Surfactant.
6. the compound closure agent of high-efficiency environment friendly as claimed in claim 5, it is characterised in that its preparation method, including following step
Suddenly：
(1) by after the graphene concentrated sulfuric acid and concentrated nitric acid oxidation, then reduced with sodium borohydride under ice bath and obtain redox stone
Black alkene suspension；
(2) water and low-carbon alcohols are uniformly mixed, obtain mixed solvent, then add methyl silicon resin and alkyd in the mixed solvent
Resin, silane coupling agent and catalyst, 1~2h is heated to reflux at 80~100 DEG C, is then added redox graphene and is suspended
Liquid, continues to be heated to reflux 15~45min, is subsequently cooled to 30~40 DEG C；
(3) film forming agent, lubricant, accelerating agent, metal inhibitor, surfactant is added in the mixing system of step (2) to stir
Mix uniformly, then add alumina sol, continue 5~10min of stirring, then 3~5min of ultrasound, obtains the compound of high-efficiency environment friendly
Sealer.
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| CN201610683064.5A CN106085218B (en) | 2016-08-17 | 2016-08-17 | A kind of high-efficiency environment friendly compound closure agent |
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| CN201610683064.5A CN106085218B (en) | 2016-08-17 | 2016-08-17 | A kind of high-efficiency environment friendly compound closure agent |
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| CN106085218B true CN106085218B (en) | 2018-05-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106967971A (en) * | 2017-03-31 | 2017-07-21 | 森鹤乐器股份有限公司 | A kind of feature of environmental protection nickel plating antirust sealer and its compound method |
| CN107828327A (en) * | 2017-10-27 | 2018-03-23 | 安徽瑞合铁路紧固件科技有限公司 | A kind of waterborne anti-rust sealer |
| CN107815231A (en) * | 2017-10-27 | 2018-03-20 | 安徽瑞合铁路紧固件科技有限公司 | A kind of preparation method of waterborne anti-rust sealer |
| CN108129885B (en) * | 2017-12-22 | 2019-04-09 | 广州超邦化工有限公司 | Modified coating sealer of hydroxyl graphene and preparation method thereof |
| CN108179418B (en) * | 2018-02-08 | 2024-02-20 | 广州超邦化工有限公司 | Preparation method of zinc-nickel alloy coating structure suitable for strong corrosion environment |
| CN108468041A (en) * | 2018-02-19 | 2018-08-31 | 桂林理工大学 | The method with corrosion-resistant function self-assembled composite film is prepared in aluminum alloy surface |
| CN109440094A (en) * | 2018-11-15 | 2019-03-08 | 江苏振光电力设备制造有限公司 | A kind of chrome-free tanning agent and the application on iron tower construction member is zinc-plated |
| CN110644032A (en) * | 2019-09-20 | 2020-01-03 | 成都阳光铝制品有限公司 | Nickel-free hole sealing agent and hole sealing process for aluminum alloy anodic oxide film |
| CN110724985B (en) * | 2019-11-13 | 2021-03-26 | 珠海市玛斯特五金塑胶制品有限公司 | Sealing treatment liquid, transparent corrosion-resistant film and preparation method thereof |
| CN111303764A (en) * | 2020-03-25 | 2020-06-19 | 江苏寅昊智能装备有限公司 | Coating sealing material based on nano composite and preparation method thereof |
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