CN106634291A - Functional anticorrosion coating for steel surfaces and a preparing method thereof - Google Patents
Functional anticorrosion coating for steel surfaces and a preparing method thereof Download PDFInfo
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- CN106634291A CN106634291A CN201610881420.4A CN201610881420A CN106634291A CN 106634291 A CN106634291 A CN 106634291A CN 201610881420 A CN201610881420 A CN 201610881420A CN 106634291 A CN106634291 A CN 106634291A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
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- Life Sciences & Earth Sciences (AREA)
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Abstract
Functional anticorrosion coating for steel surfaces and a preparing method thereof are provided. The coating includes, by mass, 40-50 parts of an acrylic acid emulsion, 20-30 parts of a polytetrafluoroethylene emulsion, 5-8 parts of poly(vinyl butyral) resin, 6-10 parts of thiophosphate, 1-2 parts of sodium carboxymethyl cellulose, 5-15 parts of nanometer silica, 0.1-1 part of a dispersant, 0.1-1 part of a stabilizing agent, 0.5-1.5 parts of an adhesion promoter and 0.2-1.2 parts of graphene powder. The acrylic acid emulsion, the polytetrafluoroethylene emulsion and the poly(vinyl butyral) resin are mixed with other additives and cure, and the content of each component is optimized, and therefore a product has good adhesion force and corrosion resistance. The graphene powder is added, and therefore the coating can be evenly distributed on steel surfaces to allow the steel surfaces to have good compactness and resistance to ion permeability, and the corrosion resistance of the steel anticorrosion coating is further improved.
Description
Technical field
The present invention relates to steel antirusting paint field, more particularly to a kind of steel surface feature anticorrosive coating and its system
Preparation Method.
Background technology
According to statistics, every year because the iron and steel loss that corrosion is caused accounts for the 10～20% of output of steel then, metal erosion thing
Therefore the indirect loss such as stopping production, power failure for causing just more cannot be calculated.Corrosion of metal phenomenon is very universal.During corrosion, in metal
Interface on there occurs chemistry or electrochemistry heterogeneous reaction, make metal proceed to oxidation (ion) state.This can significantly reduce metal
The mechanical properties such as intensity, plasticity, the toughness of material, destroy the geometry of hardware, increase the abrasion between part, deteriorate electricity
The physical property such as and optics, shortens the service life of equipment, or even causes the catastrophic failures such as fire, blast.At present, steel
Though antirust coat has certain rust inhibition to steel, rustless property is poor, and the service life of steel is shorter.
Patent publication No. 103045050A discloses a kind of antirusting paint for metallic conduit, by weight percentage,
The antirusting paint includes：Epoxy resin：25-50%, epoxy acrylate：10-20%, reactive diluent：35-60%, light draws
Send out agent：3-6%, adhesion promoter：1-5%, levelling agent：0.5-1.5%.The antirusting paint has certain antirust to steel
Performance, but improve not obvious enough.
The content of the invention
In view of this, one aspect of the present invention provides a kind of steel surface feature anticorrosive coating, the steel surface function
Property anticorrosive coating solves the problems, such as that steel coating Corrosion Protection is poor.
It is that, up to this purpose, the present invention is employed the following technical solutions：
A kind of steel surface feature anticorrosive coating, in parts by mass, including following components：
Acrylic emulsion in the present invention can be 40 parts, 42 parts, 45 parts, 46 parts, 48 parts or 50 parts etc., polytetrafluoroethylene (PTFE)
Emulsion can be 20 parts, 22 parts, 24 parts, 25 parts, 26 parts, 28 parts or 30 parts, polyvinyl butyral resin can for 5 parts, 6
Part, 7 parts or 8 parts etc.；Thiophosphate can be 6 parts, 7 parts, 8 parts, 9 parts or 10 parts etc.；Sodium cellulose glycolate can be 1
Part, 1.2 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.8 parts or 2 parts etc., nano silicon can for 5 parts, 6 parts, 8 parts, 10 parts, 12
Part, 14 parts or 15 parts etc., dispersant can be 0.1 part, 0.2 part, 0.3 part, 0.5 part, 0.6 part, 0.8 part, 0.9 part or 1 part, surely
It can be 0.1 part, 0.2 part, 0.3 part, 0.4 part, 0.5 part, 0.6 part, 0.8 part or 1 part etc. to determine agent, and adhesion promoter can be
0.5 part, 0.6 part, 0.8 part, 1 part, 1.2 parts, 1.4 parts or 1.5 parts etc., graphene powder can for 0.2 part, 0.3 part, 0.5 part,
0.6 part, 0.8 part, 1.0 parts or 1.2 parts etc..
Acrylic emulsion, ptfe emulsion and the polyvinyl butyral resin that the present invention is adopted has good phase
Capacitive and stability, rate of drying are fast, and the present invention adopts acrylic emulsion, ptfe emulsion and polyvinyl butyral resin tree
Fat carries out mixing solidification with other additives, and is optimized process to each component content, makes product have preferable adhesive force
And Corrosion Protection, while adding graphene powder, enable coating to be evenly distributed in steel surface so that steel surface has
There are good compactness and anti-ion permeability, can further improve the Corrosion Protection of Steel anticorrosive paint.
Including following components wherein, in parts by mass,：
Including following components wherein, in parts by mass,：
Wherein, the dispersant is selected from inorganic dispersant and/or organic dispersing agent；
Preferably, the inorganic dispersant is selected from waterglass, sodium tripolyphosphate, calgon or sodium pyrophosphate
Kind or at least two mixture, preferred sodium tripolyphosphate and/or sodium pyrophosphate；
Preferably, the organic dispersing agent is selected from triethyl group hexyl phosphoric acid, lauryl sodium sulfate, methyl anyl alcohol, fiber
One kind or at least two mixture in plain derivative, polyacrylamide, guar gum or fatty acid polyethylene glycol ester, preferably ten
Sodium dialkyl sulfate and/or polyacrylamide；
Preferably, the dispersant is sodium pyrophosphate and lauryl sodium sulfate in mass ratio 1:2～4 mixed it is mixed
Compound.
Wherein, the stabilizer is in zinc stearate, dimercapto 2-ethyl hexyl ethanoate dioctyltin or pentaerythrite
It is a kind of or at least two mixture, preferred zinc stearate and/or dimercapto 2-ethyl hexyl ethanoate dioctyltin.
Wherein, the adhesion promoter is selected from silicon class adhesion promoter, titanate ester adhesion promoter or metal
One kind or at least two mixture in organic compound adhesion promoter.
Another aspect of the present invention provides a kind of preparation method of above-mentioned Steel anticorrosive paint, and the preparation method solves system
Standby process is loaded down with trivial details, the problem of complex process.
A kind of preparation method of above-mentioned Steel anticorrosive paint, comprises the following steps：
(1) by the mass parts, acrylic emulsion and ptfe emulsion are added in reactor and are mixed, system
Obtain lysate；
(2) polyvinyl butyral resin, sodium cellulose glycolate and dispersant is added to be mixed in the lysate
Stirring is closed, dispersion liquid is obtained；
(3) thiophosphate, stabilizer, nano silicon, adhesion promoter and stone are added in the dispersion liquid
Black alkene powder carries out heating stirring, and ball-milling treatment is obtained steel surface feature anticorrosive coating.
Wherein, speed of agitator is 300～500r/min, preferably 350～420r/min in the step (1)；Mixing time
For 5～20min, preferably 12～15min.
Wherein, speed of agitator is 800～1200r/min, preferably 850～950r/min in the step (2)；Mixing time
For 10～15min, preferably 12～15min.
Wherein, heating-up temperature is 40～60 DEG C, preferably 45～50 DEG C in the step (3)；Speed of agitator be 600～
800r/min, preferably 620～650r/min；Mixing time is 5～10min, preferably 6～8min；The ball-milling treatment time be 2～
5h, preferably 3～4h.
Compared with prior art, beneficial effects of the present invention are as follows：Acrylic emulsion, polytetrafluoroethylene (PTFE) that the present invention is adopted
Emulsion and polyvinyl butyral resin have that good compatibility and stability, rate of drying are fast, and the present invention adopts acrylic acid
Emulsion, ptfe emulsion and polyvinyl butyral resin and other additives carry out mixing solidification, and each component is contained
Amount is optimized process, makes product have preferable adhesive force and Corrosion Protection, while adding graphene powder, enables coating
Enough it is evenly distributed in steel surface so that steel surface has good compactness and anti-ion permeability, can further carry
The Corrosion Protection of high Steel anticorrosive paint.
Specific embodiment
Technical scheme is further illustrated with reference to embodiment.
Embodiment 1：
The present embodiment steel surface feature anticorrosive coating, in parts by mass, including following components：
The preparation method of above-mentioned Steel anticorrosive paint, comprises the following steps：
According to proportioning, acrylic emulsion and ptfe emulsion are added in reactor, according to rotating speed 300r/min
Mixing 6min is carried out, lysate is obtained；
Polyvinyl butyral resin, sodium cellulose glycolate and dispersant are added in the lysate, according to rotating speed
800r/min mixes 10min, obtains dispersion liquid；
Thiophosphate, stabilizer, nano silicon, adhesion promoter and Graphene are added in the dispersion liquid
Powder carries out being heated to 45 DEG C, and according to 600r/min 8min is stirred, and ball-milling treatment 2h is obtained the anticorrosion of steel surface feature and applies
Material.
Embodiment 2：
The present embodiment steel surface feature anticorrosive coating, in parts by mass, including following components：
The preparation method of above-mentioned Steel anticorrosive paint, comprises the following steps：
According to proportioning, acrylic emulsion and ptfe emulsion are added in reactor, according to rotating speed 300r/min
Mixing 6min is carried out, lysate is obtained；
Polyvinyl butyral resin, sodium cellulose glycolate and dispersant are added in the lysate, according to rotating speed
800r/min mixes 10min, obtains dispersion liquid；
Thiophosphate, stabilizer, nano silicon, adhesion promoter and Graphene are added in the dispersion liquid
Powder carries out being heated to 45 DEG C, and according to 600r/min 8min is stirred, and ball-milling treatment 2h is obtained the anticorrosion of steel surface feature and applies
Material.
Embodiment 3：
The present embodiment steel surface feature anticorrosive coating, in parts by mass, including following components：
The preparation method of above-mentioned Steel anticorrosive paint, comprises the following steps：
According to proportioning, acrylic emulsion and ptfe emulsion are added in reactor, according to rotating speed 300r/min
Mixing 6min is carried out, lysate is obtained；
Polyvinyl butyral resin, sodium cellulose glycolate and dispersant are added in the lysate, according to rotating speed
800r/min mixes 10min, obtains dispersion liquid；
Thiophosphate, stabilizer, nano silicon, adhesion promoter and Graphene are added in the dispersion liquid
Powder carries out being heated to 45 DEG C, and according to 600r/min 8min is stirred, and ball-milling treatment 2h is obtained the anticorrosion of steel surface feature and applies
Material.
Embodiment 4：
The present embodiment steel surface feature anticorrosive coating, in parts by mass, including following components：
The preparation method of above-mentioned Steel anticorrosive paint, comprises the following steps：
According to proportioning, acrylic emulsion and ptfe emulsion are added in reactor, according to rotating speed 300r/min
Mixing 6min is carried out, lysate is obtained；
Polyvinyl butyral resin, sodium cellulose glycolate and dispersant are added in the lysate, according to rotating speed
800r/min mixes 10min, obtains dispersion liquid；
Thiophosphate, stabilizer, nano silicon, adhesion promoter and Graphene are added in the dispersion liquid
Powder carries out being heated to 45 DEG C, and according to 600r/min 8min is stirred, and ball-milling treatment 2h is obtained the anticorrosion of steel surface feature and applies
Material.
Comparative example 1：
Steel surface feature anticorrosive coating in this comparative example, in parts by mass, including following components：
The preparation method of above-mentioned Steel anticorrosive paint, comprises the following steps：
According to proportioning, acrylic emulsion and ptfe emulsion are added in reactor, according to rotating speed 300r/min
Mixing 6min is carried out, lysate is obtained；
Polyvinyl butyral resin, sodium cellulose glycolate and dispersant are added in the lysate, according to rotating speed
800r/min mixes 10min, obtains dispersion liquid；
Thiophosphate, stabilizer, nano silicon, adhesion promoter is added to be heated in the dispersion liquid
To 45 DEG C, 8min is stirred according to 600r/min, ball-milling treatment 2h is obtained steel surface feature anticorrosive coating.
Comparative example 2：
This comparative example steel surface feature anticorrosive coating, in parts by mass, including following components：
The preparation method of above-mentioned Steel anticorrosive paint, comprises the following steps：
According to proportioning, acrylic emulsion is added in reactor, according to rotating speed 300r/min mixing 6min is carried out,
Prepared lysate；
Polyvinyl butyral resin, sodium cellulose glycolate and dispersant are added in the lysate, according to rotating speed
800r/min mixes 10min, obtains dispersion liquid；
Thiophosphate, stabilizer, nano silicon, adhesion promoter and Graphene are added in the dispersion liquid
Powder carries out being heated to 45 DEG C, and according to 600r/min 8min is stirred, and ball-milling treatment 2h is obtained the anticorrosion of steel surface feature and applies
Material.
Test：By embodiment 1～4 and obtained in comparative example 1～2, Steel anticorrosive paint carries out performance test, as a result such as
Shown in following table：
Compared with comparative example 1, in embodiment 1 graphene powder is added with so that salt-fog resistant time, alkali resistance performance are obvious
Improve, i.e., Corrosion Protection be improved significantly, meanwhile, adhesive force is also remarkably reinforced, and rate of drying also obtains certain
Improve；Compared with comparative example 2, increasing in embodiment 1 has ptfe emulsion, wherein, acrylic emulsion, polytetrafluoroethylene (PTFE) breast
Between liquid and polyvinyl butyral resin have good compatibility and stability, embodiment 1 using acrylic emulsion, poly- four
PVF emulsion and polyvinyl butyral resin carry out mixing solidification with other additives so that further speed up and be dried speed
Degree, meanwhile, Corrosion Protection be improved significantly, adhesive force is also remarkably reinforced；
Compared with Example 1, embodiment 2 and embodiment 3 are further optimized to each component content so that coating it is dry
Dry speed obtains certain, meanwhile, Corrosion Protection and adhesive force also obtain certain enhancing；
Compared with Example 3, in embodiment 4 dispersant using sodium pyrophosphate and lauryl sodium sulfate, its mass ratio is
1:3, enable each component in coating to be more evenly distributed in steel surface, further improve coating rate of drying, anti-corrosion
Corrosion energy and adhesion performance.
Applicant states that the present invention illustrates the detailed construction feature and construction party of the present invention by above-described embodiment
Method, but the invention is not limited in above-mentioned detailed construction feature and construction method, that is, do not mean that the present invention has to rely on
Stating detailed construction feature and construction method could implement.Person of ordinary skill in the field is it will be clearly understood that to the present invention's
Any improvement, increase, selection of concrete mode of equivalence replacement and accessory to part selected by the present invention etc., fall
Within the scope of protection scope of the present invention and disclosure.
Claims (10)
1. a kind of steel surface feature anticorrosive coating, it is characterised in that in parts by mass, including following components：
2. steel surface feature anticorrosive coating according to claim 1, it is characterised in that in parts by mass, including
Following components：
3. steel surface feature anticorrosive coating according to claim 1, it is characterised in that in parts by mass, including
Following components：
4. steel surface feature anticorrosive coating according to claim 1, it is characterised in that the dispersant is selected from nothing
Machine dispersant and/or organic dispersing agent；
Preferably, one kind in waterglass, sodium tripolyphosphate, calgon or the sodium pyrophosphate of the inorganic dispersant or
At least two mixture, preferred sodium tripolyphosphate and/or sodium pyrophosphate；
Preferably, the organic dispersing agent spreads out selected from triethyl group hexyl phosphoric acid, lauryl sodium sulfate, methyl anyl alcohol, cellulose
One kind or at least two mixture in biology, polyacrylamide, guar gum or fatty acid polyethylene glycol ester, preferred dodecane
Base sodium sulphate and/or polyacrylamide；
Preferably, the dispersant is sodium pyrophosphate and lauryl sodium sulfate in mass ratio 1:2～4 mixing for being mixed
Thing.
5. steel surface feature anticorrosive coating according to claim 1, it is characterised in that the stabilizer is selected from hard
One kind or at least two mixture in resin acid zinc, dimercapto 2-ethyl hexyl ethanoate dioctyltin or pentaerythrite, it is preferably hard
Resin acid zinc and/or dimercapto 2-ethyl hexyl ethanoate dioctyltin.
6. steel surface feature anticorrosive coating according to claim 1, it is characterised in that the adhesion promoter
One kind in silicon class adhesion promoter, titanate ester adhesion promoter or metallo-organic compound adhesion promoter
Or at least two mixture.
7. a kind of preparation method of the steel surface feature anticorrosive coating as described in claim 1～6 is arbitrary, its feature exists
In comprising the following steps：
(1) by mass parts, acrylic emulsion and ptfe emulsion are added in reactor and are mixed, dissolving is obtained
Liquid；
(2) polyvinyl butyral resin, sodium cellulose glycolate and dispersant is added to carry out mixing and stir in the lysate
Mix, obtain dispersion liquid；
(3) thiophosphate, stabilizer, nano silicon, adhesion promoter and Graphene are added in the dispersion liquid
Powder carries out heating stirring, and ball-milling treatment is obtained steel surface feature anticorrosive coating.
8. preparation method according to claim 7, it is characterised in that in the step (1) speed of agitator be 300～
500r/min, preferably 350～420r/min；Mixing time is 5～20min, preferably 12～15min.
9. preparation method according to claim 7, it is characterised in that in the step (2) speed of agitator be 800～
1200r/min, preferably 850～950r/min；Mixing time is 10～15min, preferably 12～15min.
10. preparation method according to claim 7, it is characterised in that heating-up temperature is 40～60 in the step (3)
DEG C, preferably 45～50 DEG C；Speed of agitator is 600～800r/min, preferably 620～650r/min；Mixing time is 5～10min,
It is preferred that 6～8min；The ball-milling treatment time is 2～5h, preferably 3～4h.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107715492A (en) * | 2017-11-13 | 2018-02-23 | 广西华银铝业有限公司 | Evaporator group incoagulable gas collects injection energy-saving device |
| CN108003726A (en) * | 2017-12-18 | 2018-05-08 | 广东好邦石墨烯新材料科技有限公司 | A kind of coating and its preparation method and application |
| CN108395749A (en) * | 2018-04-05 | 2018-08-14 | 晋佳佳 | A kind of anticorrosive coating and preparation method thereof |
| CN112226127A (en) * | 2020-10-17 | 2021-01-15 | 温州国微科技有限公司 | Vehicle tail lamp bracket and processing technology thereof |
| CN113667374A (en) * | 2021-07-27 | 2021-11-19 | 宁夏星邦豹丰涂料科技有限公司 | Water-based epoxy thick-paste anticorrosive paint for petroleum steel pipes |
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| CN105742641A (en) * | 2016-03-24 | 2016-07-06 | 天津市捷威动力工业有限公司 | Conductive coating and lithium-ion battery employing same |
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| CN101220234A (en) * | 2008-01-25 | 2008-07-16 | 江苏怡成屏障科技有限公司 | Anticorrosion paint and method for producing the same |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715492A (en) * | 2017-11-13 | 2018-02-23 | 广西华银铝业有限公司 | Evaporator group incoagulable gas collects injection energy-saving device |
| CN108003726A (en) * | 2017-12-18 | 2018-05-08 | 广东好邦石墨烯新材料科技有限公司 | A kind of coating and its preparation method and application |
| CN108003726B (en) * | 2017-12-18 | 2020-05-19 | 广东好邦石墨烯新材料科技有限公司 | Coating and preparation method and application thereof |
| CN108395749A (en) * | 2018-04-05 | 2018-08-14 | 晋佳佳 | A kind of anticorrosive coating and preparation method thereof |
| CN112226127A (en) * | 2020-10-17 | 2021-01-15 | 温州国微科技有限公司 | Vehicle tail lamp bracket and processing technology thereof |
| CN112226127B (en) * | 2020-10-17 | 2021-10-29 | 温州国微科技有限公司 | Vehicle tail lamp bracket and processing technology thereof |
| CN113667374A (en) * | 2021-07-27 | 2021-11-19 | 宁夏星邦豹丰涂料科技有限公司 | Water-based epoxy thick-paste anticorrosive paint for petroleum steel pipes |
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