CN109777251A - One kind having the acid proof aluminum profile of excellent corrosion resistant - Google Patents
One kind having the acid proof aluminum profile of excellent corrosion resistant Download PDFInfo
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- CN109777251A CN109777251A CN201811634147.0A CN201811634147A CN109777251A CN 109777251 A CN109777251 A CN 109777251A CN 201811634147 A CN201811634147 A CN 201811634147A CN 109777251 A CN109777251 A CN 109777251A
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- excellent corrosion
- aluminum profile
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Abstract
The invention discloses one kind to have the acid proof aluminum profile of excellent corrosion resistant, including aluminium alloy extrusions substrate and the anticorrosive paint for being coated in aluminium alloy extrusions substrate surface；During the preparation process, dry by alkaline etching, washing by aluminium alloy extrusions substrate after oil removing, washing, anticorrosive paint is coated on surface, it is dry, obtain that there is the acid proof aluminum profile of excellent corrosion resistant.The present invention is capable of forming fine and close, uniform surface layer in aluminum alloy surface; it can effectively protect aluminium alloy extrusions substrate; effectively stop erosion of the corrosive liquid to aluminium alloy extrusions substrate, while stable processing technique of the present invention is easy, is used especially suitable for the building under harsh corrosive environment.
Description
Technical field
The present invention relates to aluminum profile technical fields, more particularly to one kind to have the acid proof aluminum profile of excellent corrosion resistant.
Background technique
Aluminium alloy in addition to have the advantages that small density, good conductivity, thermal conductivity it is high, it is erosion-resisting other than, also have specific strength and
The features such as specific stiffness is high, and processing and processability are good, therefore aluminium alloy has started to replace steel material, is widely used in automobile system
In making, 6000 conventional series alloys have been widely used in automobile decoration class material and vehicle structure class material, but conduct
Automobile function class material, corrosion resistance are extremely difficult to require.Auto parts and components product belongs to vehicle power control system, because
The particularity of working environment requires the corrosion resistance of product extremely harsh, it would be highly desirable to solve.
Summary of the invention
Technical problems based on background technology, the invention proposes one kind to have the acid proof aluminium profiles of excellent corrosion resistant
Material, the present invention are capable of forming fine and close, uniform surface layer in aluminum alloy surface, can effectively protect aluminium alloy extrusions substrate, effectively hinder
Erosion of the corrosive liquid to aluminium alloy extrusions substrate is kept off, while stable processing technique of the present invention is easy, especially suitable for harsh rotten
The building lost under environment uses.
It is proposed by the present invention it is a kind of there is the acid proof aluminum profile of excellent corrosion resistant, including aluminium alloy extrusions substrate be coated in
The anticorrosive paint of aluminium alloy extrusions substrate surface；
During the preparation process, dry by alkaline etching, washing by aluminium alloy extrusions substrate after oil removing, washing, in table
Face coats anticorrosive paint, dry, obtains having the acid proof aluminum profile of excellent corrosion resistant.
Preferably, the raw material of anticorrosive paint includes: by weight
Component A: E56,32-45 parts of acrylic resins of 40-100 parts of epoxy resin, 10-20 parts of waterborne polyurethane resins, 1-2
Part butylated amino resin, 1-1.8 parts of diethanol amine, 10-20 parts of ethyl alcohol, 10-20 parts of rosin, 1-2 parts of charcoal compounds, 5.4-
16.6 parts of fillers, 2.3-7.4 parts of auxiliary materials；
B component: 22-40 parts of curing agent, 10-40 parts of dimethylbenzene, 20-30 parts of n-butanols.
Preferably, in charcoal compound, charcoal, sulfuric acid solution is stirred, are centrifuged, p-Coumaric Acid, carboxylic is added in washing
Dehydrated alcohol is added in sodium carboxymethylcellulose pyce homogenization, filters, and washing is dried to obtain charcoal compound.
Preferably, charcoal, sulfuric acid solution weight ratio be 12-20:40-80, the concentration of sulfuric acid solution is 21-26wt%.
Preferably, charcoal, sulfuric acid solution are stirred, mixing time 10-16min, whipping temp is 80-89 DEG C.
Preferably, p-Coumaric Acid, sodium carboxymethylcellulose weight ratio be 1-4:1-3；Preferably, homogenization
Cheng Zhong, homogenization time 20-30min, homogenization pressure 12-18MPa.
Preferably, filler includes nano-titanium dioxide, sericite, diatomite, magnesium hydroxide, aluminum oxide.
Preferably, curing agent includes triethylene tetramine, dimethylaminopropylamine.
Preferably, auxiliary material includes levelling agent, defoaming agent, pigment, n-butanol.
Of the invention has in the acid proof aluminum profile of excellent corrosion resistant, by aluminium alloy extrusions substrate by oil removing, washing, so
Afterwards after alkaline etching, washing, drying, surface impurity removal rate is high, and forms certain roughness, and surface coats anti-corrosion and applies
Material, adhesive strength is high, is capable of forming fine and close, uniform surface layer in aluminum alloy surface, and its gloss, hardness, adhesive force, resistance to
Time property etc. can reach the capability and performance of solvent-based paints, can effectively protect aluminium alloy extrusions substrate, effectively stop corrosion
Erosion of the liquid to aluminium alloy extrusions substrate, while stable processing technique of the present invention is easy, especially suitable for harsh corrosive environment
Under building use.
In charcoal compound, charcoal is timber or wood material by imperfect combustion, or in the item of isolation air
It is pyrolyzed under part, the remaining dark brown of institute or black porosu solid fuel, charcoal maintain timber and constructed originally, have a large amount of
Micropore and transitional pore are activated under certain condition through persulfate solution, not only in hole tar material be excluded and have compared with
High specific surface area, and active group is sufficiently unfolded, carboxymethyl cellulose is anionic cellulose ethers, p-Coumaric Acid
It is the main component of lignocellulosic, containing phenolic hydroxyl group and carboxyl, charcoal that active group is sufficiently unfolded and p-Coumaric Acid,
It is combined under the homogeneous treatment conditions of carboxymethyl cellulose, secured chemical bond, phase is uniformly inserted into carbon char structure after treatment
Combined sufficiently between mutually, can effectively prevent the entrance of corrosive liquid, and excellent in stability, charcoal compound under the cooperation of rosin with
Epoxy resin E56, acrylic resin, waterborne polyurethane resin are fully dispersed, and adhesive force is strong after coating film forming solidification, resistance to extensive chemical
Corrosive nature is excellent, and mechanical property is good, though under the adverse circumstances of pole, will not aluminium alloy extrusions substrate surface generate bulge,
Obscission, significant service life of the extension with the acid proof aluminum profile of excellent corrosion resistant, and the epoxy resin E56 of addition, third
Olefin(e) acid resin, waterborne polyurethane resin are compounded and are reacted with triethylene tetramine, dimethylaminopropylamine, and intersect crosslinking curing shape
It is high in the adhesive strength of aluminium alloy extrusions substrate at highly cross-linked reticular structure, there is excellent resistance to ag(e)ing, economic benefit
It is high.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
One kind have the acid proof aluminum profile of excellent corrosion resistant, including aluminium alloy extrusions substrate be coated in aluminium alloy extrusions base
The anticorrosive paint on material surface；
During the preparation process, dry by alkaline etching, washing by aluminium alloy extrusions substrate after oil removing, washing, in table
Face coats anticorrosive paint, dry, obtains having the acid proof aluminum profile of excellent corrosion resistant.
The raw material of anticorrosive paint includes: by weight
Component A: 40 parts of epoxy resin E56,45 parts of acrylic resins, 10 parts of waterborne polyurethane resins, 1.8 parts of nano-silicas
Change titanium, 1 part of sericite, 6 parts of diatomite, 1 part of magnesium hydroxide, 1.8 parts of aluminum oxides, 1 part of charcoal compound, 2 parts of butyl ether
Amino resins, 1 part of diethanol amine, 1 part of levelling agent, 1 part of n-butanol, 20 parts of ethyl alcohol, 10 parts of rosin, 0.4 part of defoaming agent, 1 part of face
Material；
B component: 20 parts of triethylene tetramines, 10 parts of dimethylaminopropylamines, 40 parts of dimethylbenzene, 20 parts of n-butanols.
Charcoal compound uses following technique to prepare: by weight that 20 parts of charcoals, 40 parts of concentration are molten for 26wt% sulfuric acid
Liquid stirs 10min, and whipping temp is 89 DEG C, is centrifuged, and it is equal that 1 part of p-Coumaric Acid, 3 parts of sodium carboxymethylcelluloses are added in washing
Matter handles 20min, homogenization pressure 18MPa, and 120 parts of absolute ethyl alcohol and stirring 3h are added, and whipping temp is 50 DEG C, filters, washing,
It is dried to obtain charcoal compound.
Embodiment 2
One kind have the acid proof aluminum profile of excellent corrosion resistant, including aluminium alloy extrusions substrate be coated in aluminium alloy extrusions base
The anticorrosive paint on material surface；
During the preparation process, dry by alkaline etching, washing by aluminium alloy extrusions substrate after oil removing, washing, in table
Face coats anticorrosive paint, dry, obtains having the acid proof aluminum profile of excellent corrosion resistant.
The raw material of anticorrosive paint includes: by weight
Component A: 100 parts of epoxy resin E56,32 parts of acrylic resins, 20 parts of waterborne polyurethane resins, 1 part of nano-silica
Change titanium, 4 parts of sericites, 2 parts of diatomite, 3 parts of magnesium hydroxides, 0.4 part of aluminum oxide, 2 parts of charcoal compounds, 1 part of butyl ether
Amino resins, 1.8 parts of diethanol amine, 0.2 part of levelling agent, 4 parts of n-butanols, 10 parts of ethyl alcohol, 20 parts of rosin, 0.1 part of defoaming agent, 2
Part pigment；
B component: 12 parts of triethylene tetramines, 20 parts of dimethylaminopropylamines, 10 parts of dimethylbenzene, 30 parts of n-butanols.
Charcoal compound uses following technique to prepare: by weight that 12 parts of charcoals, 80 parts of concentration are molten for 21wt% sulfuric acid
Liquid stirs 16min, and whipping temp is 80 DEG C, is centrifuged, and it is equal that 4 parts of p-Coumaric Acids, 1 part of sodium carboxymethylcellulose is added in washing
Matter handles 30min, homogenization pressure 12MPa, and 200 parts of absolute ethyl alcohol and stirring 1h are added, and whipping temp is 60 DEG C, filters, washing,
It is dried to obtain charcoal compound.
Embodiment 3
One kind have the acid proof aluminum profile of excellent corrosion resistant, including aluminium alloy extrusions substrate be coated in aluminium alloy extrusions base
The anticorrosive paint on material surface；
During the preparation process, dry by alkaline etching, washing by aluminium alloy extrusions substrate after oil removing, washing, in table
Face coats anticorrosive paint, dry, obtains having the acid proof aluminum profile of excellent corrosion resistant.
The raw material of anticorrosive paint includes: by weight
Component A: 60 parts of epoxy resin E56,34 parts of acrylic resins, 12 parts of waterborne polyurethane resins, 1.2 parts of nano-silicas
Change titanium, 1.4 parts of sericites, 2.6 parts of diatomite, 1.3 parts of magnesium hydroxides, 0.48 part of aluminum oxide, 1.2 parts of charcoal compounds,
1.2 parts of butylated amino resins, 1.2 parts of diethanol amine, 0.4 part of levelling agent, 2 parts of n-butanols, 11 parts of ethyl alcohol, 12 parts of rosin,
0.14 part of defoaming agent, 1.2 parts of pigment；
B component: 13 parts of triethylene tetramines, 11 parts of dimethylaminopropylamines, 12 parts of dimethylbenzene, 24 parts of n-butanols.
Charcoal compound uses following technique to prepare: by weight that 13 parts of charcoals, 44 parts of concentration are molten for 22wt% sulfuric acid
Liquid stirs 12min, and whipping temp is 82 DEG C, is centrifuged, and 2 parts of p-Coumaric Acids, 1.2 parts of sodium carboxymethylcelluloses are added in washing
125 parts of absolute ethyl alcohol and stirring 1.5h are added in homogenization 24min, homogenization pressure 13MPa, and whipping temp is 52 DEG C, filtering,
Washing, is dried to obtain charcoal compound.
Embodiment 4
One kind have the acid proof aluminum profile of excellent corrosion resistant, including aluminium alloy extrusions substrate be coated in aluminium alloy extrusions base
The anticorrosive paint on material surface；
During the preparation process, dry by alkaline etching, washing by aluminium alloy extrusions substrate after oil removing, washing, in table
Face coats anticorrosive paint, dry, obtains having the acid proof aluminum profile of excellent corrosion resistant.
The raw material of anticorrosive paint includes: by weight
Component A: 82 parts of epoxy resin E56,41 parts of acrylic resins, 18 parts of waterborne polyurethane resins, 1.6 parts of nano-silicas
Change titanium, 3 parts of sericites, 5 parts of diatomite, 2.4 parts of magnesium hydroxides, 1.5 parts of aluminum oxides, 1.6 parts of charcoal compounds, 1.8 parts
Butylated amino resin, 1.6 parts of diethanol amine, 0.9 part of levelling agent, 3 parts of n-butanols, 18 parts of ethyl alcohol, 17 parts of rosin, 0.3 part disappear
Infusion, 1.8 parts of pigment；
B component: 16 parts of triethylene tetramines, 18 parts of dimethylaminopropylamines, 32 parts of dimethylbenzene, 28 parts of n-butanols.
Charcoal compound uses following technique to prepare: by weight that 18 parts of charcoals, 70 parts of concentration are molten for 25wt% sulfuric acid
Liquid stirs 15min, and whipping temp is 88 DEG C, is centrifuged, and it is equal that 3 parts of p-Coumaric Acids, 2 parts of sodium carboxymethylcelluloses are added in washing
Matter handles 28min, homogenization pressure 16MPa, and 180 parts of absolute ethyl alcohol and stirring 2h are added, and whipping temp is 58 DEG C, filters, washing,
It is dried to obtain charcoal compound.
By prepared by embodiment 1-4 there is the acid proof aluminum profile of excellent corrosion resistant to be tested for the property, test result is as follows:
100 days scratch salt mist experiments, paint film spread 0.9mm without blistering, without falling off, corroding at scratch；
100 days salt mist experiments, paint film without blistering, without fall off, non-corroding；
Acid resistance (5% sulfuric acid solution, 25 DEG C, 50h): paint film without blistering, without fall off, non-corroding；
Alkali resistance (5% sodium hydroxide solution, 25 DEG C, 600h): paint film without blistering, without fall off, non-corroding；
Resistance to salt water (5% sodium chloride solution, 25 DEG C, 800h): paint film without blistering, without fall off, non-corroding.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. one kind has the acid proof aluminum profile of excellent corrosion resistant, which is characterized in that including aluminium alloy extrusions substrate and be coated in aluminium
The anticorrosive paint of alloy profile substrate surface；
During the preparation process, dry by alkaline etching, washing by aluminium alloy extrusions substrate after oil removing, washing, it is applied on surface
Anticorrosive paint is covered, it is dry, obtain that there is the acid proof aluminum profile of excellent corrosion resistant.
2. according to claim 1 have the acid proof aluminum profile of excellent corrosion resistant, which is characterized in that the raw material of anticorrosive paint
Include: by weight
Component A: E56,32-45 parts of acrylic resins of 40-100 parts of epoxy resin, 10-20 parts of waterborne polyurethane resins, 1-2 parts of fourths
Etherified amino resins, 1-1.8 part diethanol amine, 10-20 parts of ethyl alcohol, 10-20 parts of rosin, 1-2 parts of charcoal compounds, 5.4-16.6
Part filler, 2.3-7.4 parts of auxiliary materials；
B component: 22-40 parts of curing agent, 10-40 parts of dimethylbenzene, 20-30 parts of n-butanols.
3. according to claim 1 have the acid proof aluminum profile of excellent corrosion resistant, which is characterized in that in charcoal compound,
Charcoal, sulfuric acid solution are stirred, are centrifuged, p-Coumaric Acid, sodium carboxymethylcellulose homogenization is added in washing, and nothing is added
Water-ethanol filters, and washing is dried to obtain charcoal compound.
4. according to claim 3 have the acid proof aluminum profile of excellent corrosion resistant, which is characterized in that charcoal, sulfuric acid solution
Weight ratio be 12-20:40-80, the concentration of sulfuric acid solution is 21-26wt%.
5. according to claim 3 have the acid proof aluminum profile of excellent corrosion resistant, which is characterized in that charcoal, sulfuric acid is molten
Liquid stirring, mixing time 10-16min, whipping temp are 80-89 DEG C.
6. according to claim 3 have the acid proof aluminum profile of excellent corrosion resistant, which is characterized in that p-Coumaric Acid,
The weight ratio of sodium carboxymethylcellulose is 1-4:1-3；Preferably, during homogenization, homogenization time 20-30min,
Matter pressure is 12-18MPa.
7. according to claim 1 have the acid proof aluminum profile of excellent corrosion resistant, which is characterized in that filler includes nanometer two
Titanium oxide, sericite, diatomite, magnesium hydroxide, aluminum oxide.
8. according to claim 1 have the acid proof aluminum profile of excellent corrosion resistant, which is characterized in that curing agent includes three second
Alkene tetramine, dimethylaminopropylamine.
9. according to claim 1 have the acid proof aluminum profile of excellent corrosion resistant, which is characterized in that auxiliary material includes levelling
Agent, defoaming agent, pigment, n-butanol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811634147.0A CN109777251A (en) | 2018-12-29 | 2018-12-29 | One kind having the acid proof aluminum profile of excellent corrosion resistant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811634147.0A CN109777251A (en) | 2018-12-29 | 2018-12-29 | One kind having the acid proof aluminum profile of excellent corrosion resistant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172327A (en) * | 2019-05-31 | 2019-08-27 | 黄敏 | Photocuring composite adhesive and its production technology |
| CN110306082A (en) * | 2019-06-28 | 2019-10-08 | 慈溪万顺轴承有限公司 | A kind of preparation method of the elevator change gear of built-in bearing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108250866A (en) * | 2017-12-28 | 2018-07-06 | 安徽鑫铂铝业股份有限公司 | A kind of preparation method of radiator high heat conduction aluminium alloy extrusions |
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2018
- 2018-12-29 CN CN201811634147.0A patent/CN109777251A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108250866A (en) * | 2017-12-28 | 2018-07-06 | 安徽鑫铂铝业股份有限公司 | A kind of preparation method of radiator high heat conduction aluminium alloy extrusions |
Non-Patent Citations (1)
| Title |
|---|
| 苑晴峦等: "《新型防水及装饰材料手册 上》", 31 January 1987, 黑龙江科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172327A (en) * | 2019-05-31 | 2019-08-27 | 黄敏 | Photocuring composite adhesive and its production technology |
| CN110306082A (en) * | 2019-06-28 | 2019-10-08 | 慈溪万顺轴承有限公司 | A kind of preparation method of the elevator change gear of built-in bearing |
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