CN109439158A - A kind of weather-proof anticorrosive paint of solvent-free polyureas and preparation method - Google Patents
A kind of weather-proof anticorrosive paint of solvent-free polyureas and preparation method Download PDFInfo
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- CN109439158A CN109439158A CN201811238290.8A CN201811238290A CN109439158A CN 109439158 A CN109439158 A CN 109439158A CN 201811238290 A CN201811238290 A CN 201811238290A CN 109439158 A CN109439158 A CN 109439158A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
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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
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Abstract
The invention discloses a kind of solvent-free weather-proof anticorrosive paints of polyureas, are made of component A and B component, and the component A is 100% solid content hexamethylene diisocyanate curing agent of parts by weight；The B component includes the component of following parts by weight: 40~50 parts of parahelium based polyalcohol, 0.3~0.5 part of dispersing agent, 0.3~0.5 part of defoaming agent, 0.8~1 part of thixotropic agent, 3~5 parts of coupling agent, 7~10 parts of titanium dioxide, 7~10 parts of sericite, 23~42 parts of glass powder；The weight ratio of the component A and the B component is 27: 100~34: 100.The invention has the benefit that the weather-proof anticorrosive paint of solvent-free polyureas of the present invention can be used in ground steel storage tank outer wall, non-heat preservation steel aerial pipeline outer surface.Cohesive force good with low temperature flexibility, superpower with object surface is coated；Enough erosion resistant hardness, superpower anti-ultraviolet aging and salt spray resistance；For solid content up to 98% or more, the environment temperature section of curable reaction is big；It can rapid curing reaction it is not necessary that curing agent promotor is added；Thickness applies the characteristic of not sagging.
Description
Technical field
The present invention relates to oil-gas pipeline technical field of anticorrosion, apply in particular to a kind of solvent-free weather-proof anti-corrosion of polyureas
Material and preparation method.
Background technique
To slow down corruption of the atmospheric environment got worse to ground steel storage tank, non-heat preservation steel aerial pipeline metallic matrix
Erosion prevents the generation of the leakage accident caused by corroding, and the anticorrosive coating that antiseptic property is excellent, application property is good becomes most main
The preventive means wanted.The anti-corrosion that home and abroad steel land storage tank outer wall, non-heat preservation steel aerial pipeline outer surface generally use applies
Layer structure is epoxy primer+epoxy micaceous iron intermediate coat+weather-proof antisepsis finishing paint composite construction, and weatherability antisepsis finishing paint is predominantly molten
Dosage form acroleic acid polyurethane coating or crosslinking fluorocarbon coating.Both finishing coats, the solid content of coating is generally all 50%~60%；
Epoxy zinc rich primer, epoxy micaceous iron intermediate coat are also all solvent based coatings, and the construction of this kind of composite structure coating is more complicated, are applied
Work difficulty is higher；In actual work progress, if large area applies, the interval time of per pass paint film coating is difficult control and exists
In defined time range, cause the bonding force of forward and backward twice paint film that cannot meet the requirements, to influence the attachment of entire coating
Power；Solvent based coating solid content is low, and the primary film forming matter formed of brushing is thin, and multiple tracks coating is needed to can be only achieved defined thickness
Degree；It is larger to the harm of personnel and environment in work progress containing a large amount of volatile organic solvents.
Application No. is 201310299625.8 Chinese patent application, to disclose a kind of storage tank no-solvent polyurethane weather-proof
Anticorrosive paint, component A film-forming resin are the polyester polyether polyols containing secondary hydroxyl.Because being good in structure containing ether, long-term sunlight
Easy chain rupture is irradiated, weatherability is poor；The polyester polyether polyol of secondary hydroxyl when being reacted with polyisocyanate hydrogen acid ether (hydrogen acid ester) polymer curing agents,
Speed is slower, and curing accelerator need to be added, and otherwise, the moisture in the trace water and air in component A can first and polyisocyanate hydracid
Ester reacts, and makes in the coating after solidifying comprising more bubble；It, can not be complete even if curing accelerator is added in curing agent
The full reaction for preventing polyisocyanate hydrogen acid ether (hydrogen acid ester) and water, moisture after curing of coatings, can also have a certain number of bubbles, to influence whole
The mechanical performance and antiseptic property of a coating, so not promoting and applying at home so far.
Summary of the invention
To solve the above problems, having low the purpose of the present invention is to provide a kind of solvent-free weather-proof anticorrosive paint of polyureas
Temperature flexibility is good, the cohesive force superpower with object surface is coated, enough erosion resistant hardness, superpower anti-ultraviolet aging
And salt spray resistance, the environment temperature section of curable reaction is big, without be added curing agent promotor can rapid curing reaction,
Thickness applies the characteristic of not sagging.
The present invention provides a kind of solvent-free weather-proof anticorrosive paints of polyureas, are made of component A and B component:
The component A is 100% solid content hexamethylene diisocyanate curing agent of parts by weight；
The B component includes the component of following parts by weight: 40~50 parts of parahelium based polyalcohol, dispersing agent 0.3~0.5
Part, 0.3~0.5 part of defoaming agent, 0.8~1 part of thixotropic agent, 3~5 parts of coupling agent, 7~10 parts of titanium dioxide, 7~10 parts of sericite,
23~42 parts of glass powder；
The weight ratio of the component A and the B component is 27: 100~34: 100.
As a further improvement of the present invention, the B component includes the component of following parts by weight: parahelium based polyalcohol 42
~50 parts, 0.3~0.5 part of dispersing agent, 0.3~0.4 part of defoaming agent, 0.8~0.9 part of thixotropic agent, 3~5 parts of coupling agent, titanium dioxide
7~10 parts, 7~10 parts of sericite, 23~40 parts of glass powder.
As a further improvement of the present invention, the weight ratio of the component A and the B component is 28: 100~33.4:
100。
As a further improvement of the present invention, it is the poly- of 277g/mol that the parahelium based polyalcohol, which is by amido equivalent,
The polyaspartic ester parahelium based polyalcohol that aspartate parahelium based polyalcohol and amido equivalent are 333g/mol according to
82.8: 17.2 weight ratio mixing is matched.
As a further improvement of the present invention, the dispersing agent is esters of acrylic acid dispersing agent, and defoaming agent is organic silicone oil
Class defoaming agent, thixotropic agent are ultra-fine fumed silica powder, and the coupling agent is the coupling agent that end group has epoxy group, described
Titanium dioxide is rutile type titanium white.
As a further improvement of the present invention, the partial size of the sericite and the glass powder is 800 mesh.
The present invention provides a kind of solvent-free weather-proof preparation method of anticorrosion paint of polyureas, this method comprises:
Step 1 proportionally sequentially adds parahelium based polyalcohol, dispersing agent, defoaming agent and thixotropic agent in material-compound tank, with
1000 revs/min of mixing speed stirs 15~20 minutes, and mixing speed is down to 200 revs/min after mixing evenly；
Step 2 sequentially adds coupling agent, titanium dioxide, sericite and glass powder into material-compound tank again, with 400~500 turns/
The mixing speed of minute stirs 35~50 minutes；
Step 3 grinds mixture obtained using sand mill, and during the grinding process to the fineness of mixture into
Row test, until stopping grinding when fineness reaches 100 μm or less obtains B component；
Step 4 is proportionally separately packaged up to the weather-proof anticorrosive paint of solvent-free polyureas, institute component A and B component
State the hexamethylene diisocyanate curing agent that component A is solid content 100%.
As a further improvement of the present invention, the step 3 selects Hegman grind gage to test fineness.
The invention has the benefit that the weather-proof anticorrosive paint of solvent-free polyureas of the present invention can be used in the storage of ground steel
Tank wall, non-heat preservation steel aerial pipeline outer surface.Cohesive force good with low temperature flexibility, superpower with object surface is coated；
Enough erosion resistant hardness, superpower anti-ultraviolet aging and salt spray resistance；Solid content is curable up to 98% or more
The environment temperature section of reaction is big；It can rapid curing reaction it is not necessary that curing agent promotor is added；Thickness applies the characteristic of not sagging.
Specific embodiment
The present invention is described in further detail below by specific embodiment.
It is a kind of weather-proof anticorrosive paint of solvent-free polyureas described in the embodiment of the present invention, is made of component A and B component:
The component A is the hexamethylene diisocyanate curing agent of solid content 100%；
The B component includes the component of following parts by weight: 40~50 parts of parahelium based polyalcohol, dispersing agent 0.3~0.5
Part, 0.3~0.5 part of defoaming agent, 0.8~1 part of thixotropic agent, 3~5 parts of coupling agent, 7~10 parts of titanium dioxide, 7~10 parts of sericite,
23~42 parts of glass powder；
The weight ratio of the component A and the B component is 27: 100~34: 100.
Further, the B component includes the component of following parts by weight: 42~50 parts of parahelium based polyalcohol, dispersing agent
0.3~0.5 part, 0.3~0.4 part of defoaming agent, 0.8~0.9 part of thixotropic agent, 3~5 parts of coupling agent, 7~10 parts of titanium dioxide, thin,tough silk cloud
It is 7~10 parts, 23~40 parts of glass powder female.
Further, the weight ratio of the component A and the B component is 28: 100~33.4: 100.
Further, the parahelium based polyalcohol is the polyaspartic ester parahelium for being 277g/mol by amido equivalent
The polyaspartic ester parahelium based polyalcohol that based polyalcohol and amido equivalent are 333g/mol according to 82.8: 17.2 weight ratio
Mixing is matched.
Further, the dispersing agent is esters of acrylic acid dispersing agent, and defoaming agent is organosilicon oils defoaming agent, thixotropic agent
For ultra-fine fumed silica powder, the coupling agent is the coupling agent that end group has epoxy group, and the titanium dioxide is rutile
Type titanium dioxide.
Further, the partial size of the sericite and the glass powder is 800 mesh.
The weather-proof anticorrosive paint reaction mechanism of solvent-free polyureas of the present invention be secondary amine polymeric components (- NH) and
The solidification crosslinking of the different hydrogen acid ether (hydrogen acid ester) (- NCO) curing agent of hexa-methylene two.The film-forming resin of B component is using polyaspartic ester
Secondary amine based polyalcohol, the polymer be by aliphatic diamine and dialkyl maleate under the catalysis of organotin, carry out advanced in years
Product obtained from Ke Er addition reaction, without containing ether is strong and chromophoric group in molecular structure, steady chemical structure, the polymer
The resin collocation different hydrogen acid ether (hydrogen acid ester) of aliphatic has excellent weather resistance and mechanical property, can be in -40 DEG C~+70 DEG C of environment temperature
Reaction in range.The polyaspartic ester parahelium based polyalcohol and amido equivalent that amido equivalent is 277g/mol are 333g/
The polyaspartic ester parahelium based polyalcohol of mol is improving coating toughness, salt tolerant according to 82.8: 17.2 weight ratio mixture
While mist performance and ultraviolet light and aging performance, the hardness of cured product can be improved.Since the viscosity of this kind of fluoropolymer resin is low,
Secondary amine in molecular structure is good for without containing ether and chromophoric group, remote with hexamethylene diisocyanate curing agent reaction speed
It is faster than the reaction speed of hydroxy polymer and water, therefore is not required to addition deicer, promotor, UV absorbers in this kind of component.
The effect of thixotropic agent is that sagging is generated when preventing curing of coatings in polymers compositions, and the effect of dispersing agent is to improve to apply
Powder is uniformly dispersed in material production whipping process, and the effect of defoaming agent is to improve levelling and the defoaming of coating, coupling agent
Effect is the adhesive force increased after solidifying with coated surface, and sericite then improves the water resistant permeability of coating, and glass powder improves coating
Wearability.Curing agent uses the hexamethylene diisocyanate curing agent of solid content 100%, and the solidification speed of coating can be improved
Degree, enhancing coating ultraviolet-resistant performance, salt spray resistance and mechanical performance.
It is a kind of weather-proof preparation method of anticorrosion paint of solvent-free polyureas described in the embodiment of the present invention, this method comprises:
Step 1 proportionally sequentially adds parahelium based polyalcohol, dispersing agent, defoaming agent and thixotropic agent in material-compound tank, with
1000 revs/min of mixing speed stirs 15~20 minutes, and mixing speed is down to 200 revs/min after mixing evenly；
Step 2 sequentially adds coupling agent, titanium dioxide, sericite and glass powder into material-compound tank again, with 400~500 turns/
The mixing speed of minute stirs 35~50 minutes；
Step 3 grinds mixture obtained using sand mill, and during the grinding process to the fineness of mixture into
Row test obtains B component until fineness stops grinding when reaching 100 μm or less；
Step 4 is proportionally separately packaged up to the weather-proof anticorrosive paint of solvent-free polyureas, institute component A and B component
State the hexamethylene diisocyanate curing agent that component A is solid content 100%.Component A is directly bought in the present embodiment
The hexamethylene diisocyanate curing agent (HDI trimer) of 200L needs to examine it entirely pack to component A
It looks into, judging it, whether there is or not flocculations, and are stirred to it, check that bottom whether there is or not scleroma sediment, is difficult above-mentioned phenomenon, ability
It is dispensed in proportion.
Further, the step 3 selects Hegman grind gage to test fineness.
Embodiment 1
(1) preparation of component A: inspection of uncapping is carried out to the HDI trimer (import) for the 200L packaging directly bought, is estimated
See whether limpid, whether there is or not flocculations, are stirred, and check bottom whether there is or not scleroma sediments and make marks if any above-mentioned phenomenon
Unified place is replaced, and without above-mentioned phenomenon, carries out subpackage in proportion.Obtain component A；
(2) preparation of B component: sequentially adding 42 parts of secondary amine based polyalcohol by formula in material-compound tank, and 0.3 part of dispersing agent,
It 0.3 part of defoaming agent, 0.8 part of thixotropic agent, stirs 15~20 minutes, 1000 revs/min of mixing speed, after mixing evenly, slows down and stir
Speed is mixed, 200 revs/min of mixing speed, sequentially adds 3 parts of coupling agent, 7 parts of titanium dioxide, mica powder 7, mentions by 39.6 parts of glass powder
High mixing speed, is stirred 35~40 minutes, is then ground with sand mill, process of lapping by 400~500 revs/min of revolving speed
In, fineness test is carried out using Hegman grind gage.Fineness is at 100 μm hereinafter, blowing is packed in proportion；Fineness at 100 μm or more,
It draws back sand mill to be ground again, until fineness reaches requirement, blowing is packed in proportion, obtains B component.
(3) component A, B component weight proportion are pressed, A:B=28:100.
The performance indicator of the weather-proof anticorrosive paint of solvent-free polyureas of embodiment 1
Embodiment 2
(1) preparation of component A: inspection of uncapping is carried out to the HDI trimer (import) for the 200L packaging directly bought, is estimated
See whether limpid, whether there is or not flocculations, are stirred, and check bottom whether there is or not scleroma sediments and make marks if any above-mentioned phenomenon
Unified place is replaced, and without above-mentioned phenomenon, carries out subpackage in proportion.Obtain component A；
(2) preparation of B component: sequentially adding 46 parts of secondary amine based polyalcohol by formula in material-compound tank, and 0.4 part of dispersing agent,
It 0.4 part of defoaming agent, 0.9 part of thixotropic agent, stirs 15~20 minutes, 1000 revs/min of mixing speed, after mixing evenly, slows down and stir
It mixes speed, 200 revs/min of mixing speed, sequentially adds 5 parts of coupling agent, 9 parts of titanium dioxide, mica powder 9.8,28.5 parts of glass powder,
Mixing speed is improved, 400~500 revs/min of revolving speed, stirs 35~40 minutes, is then ground with sand mill, it is ground
Cheng Zhong carries out fineness test using Hegman grind gage.Fineness is at 100 μm hereinafter, blowing is packed in proportion；Fineness 100 μm with
On, it draws back sand mill and is ground again, until fineness reaches requirement, blowing is packed in proportion, obtains B component.
(3) component A, B component weight proportion are pressed, A:B=31:100.
The performance indicator of the weather-proof anticorrosive paint of solvent-free polyureas of embodiment 2
Embodiment 3
(1) preparation of component A: inspection of uncapping is carried out to the HDI trimer (import) for the 200L packaging directly bought, is estimated
See whether limpid, whether there is or not flocculations, are stirred, and check bottom whether there is or not scleroma sediments and make marks if any above-mentioned phenomenon
Unified place is replaced, and without above-mentioned phenomenon, carries out subpackage in proportion.Obtain component A；
(2) preparation of B component: sequentially adding 50 parts of secondary amine based polyalcohol by formula in material-compound tank, and dispersing agent 0.5 disappears
It 0.4 part of infusion, 1 part of thixotropic agent, stirs 15~20 minutes, 1000 revs/min of mixing speed, after mixing evenly, slows down stirring speed
Degree, sequentially adds 4.5 parts of coupling agent, 10 parts of titanium dioxide, mica powder 10, mentions by 23.6 parts of glass powder by 200 revs/min of mixing speed
High mixing speed, is stirred 35~40 minutes, is then ground with sand mill, process of lapping by 400~500 revs/min of revolving speed
In, fineness test is carried out using Hegman grind gage.Fineness is at 100 μm hereinafter, blowing is packed in proportion；Fineness at 100 μm or more,
It draws back sand mill to be ground again, until fineness reaches requirement, blowing is packed in proportion, obtains B component.
(3) component A, B component weight proportion are pressed, A:B=33.4:100.
The performance indicator of the weather-proof anticorrosive paint of solvent-free polyureas of embodiment 3
During 3 tests, embodiment 1, embodiment 2, coating provided by embodiment 3, the coating table being prepared
Face is smooth, smooth, bubble-free；1 grade of coating section porosity, tomography bubble significantly reduces compared with other class weather-resistant coatings；It should
Coating application is easy, and flexibility, wearability, hardness, resistance to UV aging energy and salt spray resistance are good.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of weather-proof anticorrosive paint of solvent-free polyureas, which is characterized in that it is made of component A and B component,
The component A is the hexamethylene diisocyanate curing agent of solid content 100%；
The B component includes the component of following parts by weight: 40~50 parts of parahelium based polyalcohol, 0.3~0.5 part of dispersing agent, being disappeared
0.3~0.5 part of infusion, 0.8~1 part of thixotropic agent, 3~5 parts of coupling agent, 7~10 parts of titanium dioxide, 7~10 parts of sericite, glass powder
23~42 parts；
The weight ratio of the component A and the B component is 27: 100~34: 100.
2. the weather-proof anticorrosive paint of solvent-free polyureas according to claim 1, which is characterized in that the B component includes following
The component of parts by weight: 42~50 parts of parahelium based polyalcohol, 0.3~0.5 part of dispersing agent, 0.3~0.4 part of defoaming agent, thixotropic agent
0.8~0.9 part, 3~5 parts of coupling agent, 7~10 parts of titanium dioxide, 7~10 parts of sericite, 23~40 parts of glass powder.
3. the weather-proof anticorrosive paint of solvent-free polyureas according to claim 1, which is characterized in that the component A and the B group
The weight ratio divided is 28: 100~33.4: 100.
4. the weather-proof anticorrosive paint of solvent-free polyureas according to claim 1, which is characterized in that the parahelium based polyalcohol is
The poly- day that the polyaspartic ester parahelium based polyalcohol for being 277g/mol by amido equivalent and amido equivalent are 333g/mol
L-aminobutanedioic acid ester parahelium based polyalcohol is matched according to 82.8: 17.2 weight ratio mixing.
5. the weather-proof anticorrosive paint of solvent-free polyureas according to claim 1, which is characterized in that the dispersing agent is acrylic acid
Esters dispersing agent, defoaming agent are organosilicon oils defoaming agent, and thixotropic agent is ultra-fine fumed silica powder, and the coupling agent is
End group has the coupling agent of epoxy group, and the titanium dioxide is rutile type titanium white.
6. the weather-proof anticorrosive paint of solvent-free polyureas according to claim 1, which is characterized in that the sericite and the glass
The partial size of glass powder is 800 mesh.
7. a kind of weather-proof preparation method of anticorrosion paint of solvent-free polyureas characterized by comprising
Step 1 proportionally sequentially adds parahelium based polyalcohol, dispersing agent, defoaming agent and thixotropic agent in material-compound tank, with 1000
Rev/min mixing speed stir 15~20 minutes, mixing speed is down to 200 revs/min after mixing evenly；
Step 2 sequentially adds coupling agent, titanium dioxide, sericite and glass powder into material-compound tank again, with 400~500 revs/min
Mixing speed stir 35~50 minutes；
Step 3 is ground mixture obtained using sand mill, and is surveyed during the grinding process to the fineness of mixture
Examination obtains B component until fineness stops grinding when reaching 100 μm or less；
Step 4 is proportionally separately packaged up to the weather-proof anticorrosive paint of solvent-free polyureas, the A component A and B component
Group is divided into the hexamethylene diisocyanate curing agent of solid content 100%.
8. the weather-proof preparation method of anticorrosion paint of solvent-free polyureas according to claim 7, which is characterized in that the step 3
Hegman grind gage is selected to test fineness.
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| CN110437654A (en) * | 2019-08-08 | 2019-11-12 | 深圳航天科技创新研究院 | A kind of aqueous inorganic zinc-rich anti-corrosive paint and preparation method thereof |
| CN113045972A (en) * | 2019-12-27 | 2021-06-29 | 深圳市精彩科技有限公司 | Polyurea coating |
| CN113637398A (en) * | 2021-08-25 | 2021-11-12 | 黄山中邦孚而道涂料有限公司 | Bottom-surface integrated solvent-free polyaspartic acid ester heavy-duty anticorrosive paint, and preparation method and application thereof |
| CN113801553A (en) * | 2020-06-15 | 2021-12-17 | 上海格烈风新材料科技有限公司 | Novel graphene heavy-duty anticorrosive wear-resistant coating and preparation process thereof |
| CN114574081A (en) * | 2022-04-14 | 2022-06-03 | 中国石油化工股份有限公司 | Preparation method of heavy-duty anticorrosive protective coating for metal surface |
| CN114644877A (en) * | 2021-06-16 | 2022-06-21 | 广东达尔新型材料有限公司 | Self-cleaning type corrosion-resistant weather-resistant polyurea coating |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110437654A (en) * | 2019-08-08 | 2019-11-12 | 深圳航天科技创新研究院 | A kind of aqueous inorganic zinc-rich anti-corrosive paint and preparation method thereof |
| CN113045972A (en) * | 2019-12-27 | 2021-06-29 | 深圳市精彩科技有限公司 | Polyurea coating |
| CN113801553A (en) * | 2020-06-15 | 2021-12-17 | 上海格烈风新材料科技有限公司 | Novel graphene heavy-duty anticorrosive wear-resistant coating and preparation process thereof |
| CN114644877A (en) * | 2021-06-16 | 2022-06-21 | 广东达尔新型材料有限公司 | Self-cleaning type corrosion-resistant weather-resistant polyurea coating |
| CN113637398A (en) * | 2021-08-25 | 2021-11-12 | 黄山中邦孚而道涂料有限公司 | Bottom-surface integrated solvent-free polyaspartic acid ester heavy-duty anticorrosive paint, and preparation method and application thereof |
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Application publication date: 20190308 |