CN107099830A - A kind of graining aluminium section bar production technology and product - Google Patents
A kind of graining aluminium section bar production technology and product Download PDFInfo
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- CN107099830A CN107099830A CN201710417128.1A CN201710417128A CN107099830A CN 107099830 A CN107099830 A CN 107099830A CN 201710417128 A CN201710417128 A CN 201710417128A CN 107099830 A CN107099830 A CN 107099830A
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- section bar
- aluminium section
- graining
- production technology
- electrophoretic
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- 239000004411 aluminium Substances 0.000 title claims abstract description 60
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 60
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000005516 engineering process Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 138
- 230000008569 process Effects 0.000 claims abstract description 120
- 239000003973 paint Substances 0.000 claims abstract description 69
- 238000004040 coloring Methods 0.000 claims abstract description 62
- 230000003647 oxidation Effects 0.000 claims abstract description 47
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 47
- 239000002023 wood Substances 0.000 claims abstract description 46
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000010936 titanium Substances 0.000 claims abstract description 24
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 24
- 238000010023 transfer printing Methods 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims description 56
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 46
- 238000001962 electrophoresis Methods 0.000 claims description 32
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 22
- 238000007711 solidification Methods 0.000 claims description 22
- 230000008023 solidification Effects 0.000 claims description 22
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 20
- 230000007797 corrosion Effects 0.000 claims description 20
- 238000005260 corrosion Methods 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 239000004408 titanium dioxide Substances 0.000 claims description 11
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 10
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 10
- 239000003518 caustics Substances 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000006386 neutralization reaction Methods 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 7
- 229920002125 Sokalan® Polymers 0.000 claims description 6
- 238000005034 decoration Methods 0.000 claims description 6
- 239000004584 polyacrylic acid Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000011017 operating method Methods 0.000 claims description 2
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- -1 wherein Chemical compound 0.000 claims 1
- 230000000007 visual effect Effects 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 14
- 230000035807 sensation Effects 0.000 abstract description 6
- 230000008595 infiltration Effects 0.000 abstract description 5
- 238000001764 infiltration Methods 0.000 abstract description 5
- 239000003086 colorant Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 29
- 238000004140 cleaning Methods 0.000 description 21
- 239000000047 product Substances 0.000 description 18
- 239000011248 coating agent Substances 0.000 description 12
- 238000000576 coating method Methods 0.000 description 12
- 239000003513 alkali Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 238000002791 soaking Methods 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 239000000356 contaminant Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229910018162 SeO2 Inorganic materials 0.000 description 4
- 239000013527 degreasing agent Substances 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 239000002932 luster Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- JPJALAQPGMAKDF-UHFFFAOYSA-N selenium dioxide Chemical compound O=[Se]=O JPJALAQPGMAKDF-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007610 electrostatic coating method Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 208000007578 phototoxic dermatitis Diseases 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229940082569 selenite Drugs 0.000 description 2
- MCAHWIHFGHIESP-UHFFFAOYSA-L selenite(2-) Chemical compound [O-][Se]([O-])=O MCAHWIHFGHIESP-UHFFFAOYSA-L 0.000 description 2
- 206010016322 Feeling abnormal Diseases 0.000 description 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/16—Pretreatment, e.g. desmutting
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/04—Electrophoretic coating characterised by the process with organic material
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/04—Electrolytic coating other than with metals with inorganic materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
Abstract
The invention discloses a kind of graining aluminium section bar production technology, including anodic oxidation process, electrolytic coloring process, electrophoretic process process and transfer printing wood grain process, wherein, in electrolytic coloring process, it is that titanium colours groove to colour groove, utilize the Comprehensive Control of each operation, so that multiple film layer collective effects such as oxide-film, the background color of electrolytic coloring and electrodeposited paint film for being formed, splendid visual effect is presented, transferred finally by the infiltration of wood grain ink and make it that whole graining Product Visual effect is true to nature, it is unique.The present invention also provides a kind of graining aluminium section bar prepared using above-mentioned production technology, and the aluminium section bar possesses wooden light sensation and Wood hard sense, visual effect good the features such as homogeneous with appearance color.
Description
Technical field
The present invention relates to the production technology and product of production process of aluminium section, more particularly to a kind of graining aluminium section bar.
Background technology
At present, aluminium section bar graining product is mainly made using spraying transfer printing, and it forms the life of graining effect
Production. art is：One of powdery paints or liquid coating first are sprayed in Surface of profile, a coating film protective layer is formed, recycled special
Woodgrained paper parcel stick its surface, under conditions of high temperature, the ink penetration on woodgrained paper, which is transferred in film, forms lines,
The color of bottom film and the lines of ink penetration form the decorative effect of final wood grain.Wherein, high pressure electrostatic painting mode
Because paint-absorbable rate is high, saves material, be generally used in sprayed layer undercoat film-coating procedures.
But, spraying printing transferring method still suffers from many drawbacks.First, the corrosion-resistant at section bar groove position：Either
Powdery paints or liquid coating are as bottom protective film, when profile shapes structure has ditch groove position, often in groove
Position can not spray to sufficiently thick coating, in particular by electrostatic coating method, because of its Faraday effect, coating during spraying
Grain can not be adsorbed onto groove position because electric field force is shielded, therefore groove position coating is thin, and corrosion resistance is poor.
Second, section bar graining effect heterogeneity：Whether wood grain effect homogeneous to depend primarily on protective underlayer film
Whether color and thicknesses of layers have uniformity.But profile structure complexity is various at present, and using electrostatic coating method
Often there is electric field force characteristic, the thickness at the sharp position of profile flange can be caused thicker.The defect such as bottom coating thickness difference is big
The depth for being easily caused ink penetration is inconsistent, causes the definition of lines different, or even produces bottom film aberration, fills wood grain
Adorn effect heterogeneity.
3rd, Surface of profile is wooden to feel not good enough firmly：Because the property of spraying method and former auxiliary coating influences, section bar bottom film
During for powdery paints, coating thickness is often more than 60 μm, and due to the inclined software feature of film hardness itself, film is thicker, and decoration is applied
Film more loses hard sense.When section bar bottom film is liquid coating, because of electric field force characteristic, coating thickness differs, and is also easy to produce aberration,
The higher problem of gloss itself, also causes Surface of profile is wooden to feel not good enough firmly simultaneously.
On the other hand, although the production method of existing electrophoresis wood grain aluminium section bar can improve spraying and turn to a certain extent
The open defect that print method is present, still, existing electrophoresis wood grain aluminium section bar still suffers from larger in visual effect with high-end product
Gap, can not especially solve the technical problem for possessing wooden light sensation and Wood hard sense etc. on Product Visual.
The content of the invention
Present invention seek to address that problem as described above.It is an object of the invention to provide a kind of production of graining aluminium section bar
Technique, the combination of the technology such as electrophoresis and woodgrained paper transfer is impregnated using anodic oxidation, electrolytic coloring, electrophoretic paint, can be effective
The uneven technical problem of section bar groove position film is solved, and groove coloring, electrodeposited paint film are coloured using oxide-film, titanium is formed
Etc. the refraction action of multiple film layers, with splendid visual effect so that the product of final infiltration wood grain ink has wooden light
Sense and Wood hard sense, with special graining effect.
Specifically, the graining aluminium section bar production technology includes following processes：
Anodic oxidation, aluminium section bar enters sulfuric acid oxidation groove and carries out electrolytic oxidation process；
Electrolytic coloring, the aluminium section bar after anodic oxidation enters titanium coloring groove and carries out electrolytic coloring processing；
Electrophoretic process, the aluminium section bar after electrolytic coloring processing enters electrophoresis tank and carries out electrophoretic process；
Transfer printing wood grain, grain pattern is transferred on the aluminium section bar after electrophoretic process, and graining product is made.
Wherein, in the anodic oxidation process, the oxide thickness of Surface of profile formation is 8~15 μm.
Wherein, in the electrolytic coloring process, SeO in the titanium colouring slot liquid2 -Concentration is 4~10g/L, tank liquor pH value
For 1.0~1.7, coloration voltage is 7~10V, and coloration time is 1~3min.
Wherein, in the electrophoretic process process, the aluminium shape surface formation translucent electrodeposited paint film of delustring, also, electrophoretic paint
Film thickness is 15~30 μm.
Wherein, in the electrophoretic process process, electrophoresis paint ingredients includes polyacrylic acid, melmac and titanium dioxide
Titanium, the ratio that the electrophoretic paint quality accounts for tank liquor quality is 30~50%, and the titanium dioxide quality accounts for the 0.01 of tank liquor quality
~1.5%, the electrophoresis tank solid part is 8~10%.
Wherein, in the electrophoretic process process, tank liquor solvent includes isopropanol, ethylene glycol monobutyl ether and hydroxyethyl methacrylate
Ethyl ester, wherein, in tank liquor the control of isopropanol mass fraction be the control of 1~3%, ethylene glycol monobutyl ether mass fraction be 1~2%,
The control of hydroxyethyl methacrylate mass fraction is 0.1~0.5%.
Wherein, in the electrophoretic process process, tank liquor pH value be 7~10, voltage be 110~150V, the time be 5~
15min。
Wherein, in the anodic oxidation process, oxidation trough sulfuric acid concentration is 165~185g/L, and voltage is 13~16V, when
Between be 30~50min.
Wherein, in the transfer printing wood grain process, woodgrained paper or wood grain film are adjacent to section bar, after be put at curing oven high temperature
Reason, wherein, the temperature of high-temperature process is 165~200 DEG C, and processing time is 3~10min.
Wherein, the electrophoretic process process also include curing operation carry out electrodeposited paint film solidification, solidification temperature be 165~
220 DEG C, hardening time is 25~45min.
Wherein, in the electrophoretic process process, before electrophoretic process is powered, 2~4min of section bar pre-soaking.
Wherein, the decoration production process of aluminium section also includes pretreatment procedure, and each operation operating procedure is as follows：
1S pretreatment procedures：Including oil removing pretreatment, washing, caustic corrosion, washing, neutralization and water washing operations, wherein alkali is rotten
Erosion tank liquor is sodium hydroxide solution, and concentration is 40~50g/L, and temperature is 40~50 DEG C, and the time is 3~5min；Neutralizer is sulphur
Acid solution, concentration is 160~200g/L, and the time is 3~5min；
2S anodic oxidation processes：Including anodic oxidation and water washing operations, wherein in oxidation trough sulfuric acid concentration be 165~
185g/L, voltage is 13~16V, and the time is 30~50min, and temperature is 18~23 DEG C, and oxide thickness is 8~15 μm；
3S electrolytic coloring processes：Including electrolytic coloring and water washing operations, wherein SeO in titanium colouring slot liquid2 -Concentration be 4~
10g/L, tank liquor pH value is 1.0~1.7, and coloration voltage is 7~10V, and coloration time is 1~3min, and temperature is 28~35 DEG C；
4S electrophoretic process processes：Including electrophoretic process, washing, drip-dry, solidification and cooling down operation, wherein, electrophoretic paint includes
Polyacrylic acid, melmac and titanium dioxide, the ratio that the electrophoretic paint quality accounts for tank liquor quality are 30~50%, described
Titanium dioxide quality accounts for the 0.01~1.5% of tank liquor quality, and the electrophoresis tank solid part is 8~10%；
In tank liquor solvent the control of isopropanol mass fraction be the control of 1~3%, ethylene glycol monobutyl ether mass fraction be 1~
2%th, the control of hydroxyethyl methacrylate mass fraction is 0.1~0.5%；Tank liquor pH value is 7~10, and voltage is 110~150V,
Time is 5~15min, and temperature is 18~26 DEG C；
Solidification temperature is 165~220 DEG C, and hardening time is 25~45min；
5S transfer printing wood grain processes：Including woodgrained paper envelope, vacuumize, solidify and cooling down operation, wherein solidification temperature is 165
~200 DEG C, processing time is 3~10min.
The present invention also provides a kind of using graining aluminium section bar made from above-mentioned graining aluminium section bar production technology
Product.
Technical scheme mainly make use of anodic oxidation, electrolytic coloring, electrophoretic process and woodgrained paper transfer etc.
The production technology that process is combined, prepares even film layer, the splendid graining aluminium profile product of visual effect.Wherein,
In electrolytic coloring process, coloring groove is that titanium colours groove, and titanium colours groove using selenite as main salt, makes oxidation in coloring process
Precipitation metal or non-metallic atom particle in film fenestra, surface forms blond shades.Titanium, which is coloured, forms wood grain primary colours, and with
The electrodeposited paint film that electrophoretic process is obtained is combined, with splendid visual effect, whole wood grain after the transfer of wood grain ink penetration
Decorative product visual effect is true to nature, unique.
The visual effect of final obtained graining aluminium section bar is cooperatively forming by above-mentioned multiple film layers,
Therefore, inventor has carried out numerous studies for color, glossiness and the thicknesses of layers of each film layer.Preferably, oxide thickness
Control as 8~15 μm, and control appropriate electrolytic coloring process to form optimal product background color.The control of electrodeposited paint film is same
For the key of technical solution of the present invention, electrodeposited paint film film layer is excessively thin, then the infiltration of wood grain ink can not be facilitated to form cleaning line
Road, film layer is blocked up, then electrodeposited paint film soft feeling can be caused strong, the Wood hard sense for losing product, it is preferable that electrophoretic paint thickness
Degree control is 15~30 μm, enables to the Overlay of each film layer visually excellent, reduces the hard sense of solid wood.
As the innovative point of the present invention, it is the translucent electrodeposited paint film of delustring, obtained decoration aluminium to control electrodeposited paint film
Section bar visual effect is more life-like.The translucent electrodeposited paint film generated by Surface of profile electrophoresis, on the one hand will can be electrolysed
The titanium background color that coloring is formed is reflected, and it is become more soft, another aspect photoextinction effectively reduces titanium bottom
The glossiness of color and electrodeposited paint film in itself, with the not high characteristic of glossiness, reduction solid wood light sensation and solid wood color and luster.Work as oxide-film
Thicknesses of layers is 8~15 μm, and when the translucent electrodeposited paint film thickness of delustring is 15~30 μm, beneficial effect is optimal.
To realize being precisely controlled for each Film color, glossiness and thickness, process conditions of the inventor to each process
Numerous studies are carried out.
In anodic oxidation process, aluminium section bar is put into sulfuric acid oxidation groove and carries out electrolytic oxidation process, in section bar outer surface
Upper whole formation layer oxide film, on the one hand can solve the problem that the uneven problem of section bar groove position film, on the other hand the oxide-film
Due to that with intensive trickle fenestra, color can be kept homogeneous during follow-up electrolytic coloring.Control oxidation trough sulfuric acid dense
Spend for 165~185g/L, voltage is 13~16V, the time is 30~50min, can realize above-mentioned beneficial effect.
In electrolytic coloring process, by the section bar for having formed oxide-film be put into titanium coloring groove in, coloring groove in metal or
Nonmetalloid is electrolytic reduced to atom or its oxide precipitation in the fenestra of oxide-film, whole film layer refraction is showed gold
Color color and luster, by electrolytic colouring technology produce titanium color can avoid because thickness is thin differ caused by bottom film color distortion.
The pH value pair and the tinctorial property of selenite for colouring groove tank liquor have a major impact, also, coloration voltage is relatively low, then
Colouring speeds are slow, and colourity is shallower, and the higher then colouring speeds of coloration voltage are accelerated, and colourity is deeper.Found by studying, control titanium
SeO in golden colouring slot liquid2 -Concentration is 4~10g/L, and tank liquor pH value is 1.0~1.7, and coloration voltage is 7~10V, and coloration time is
1~3min, with preferably coloring effect, the titanium color color of formation is uniform, and blond shades are good, obtained product decoration color
It is homogeneous.
In electrophoretic process process, the aluminium section bar after electrolytic coloring processing enters electrophoresis tank and carries out electrophoretic process, electrophoretic process
Be that section bar is impregnated into the electrophoresis tank containing liquid coating to be handled, solve in the prior art, section bar groove position because
Film layer is thin or without film problem caused by can not spraying to.Wherein, electrophoresis tank solid part is 8~10%, tank liquor pH value is 7~
10, voltage is 110~150V, and the time is 5~15min.Preferably, section bar needs 2~3min of pre-soaking before electrophoresis is powered, and makes electricity
Swimming paint moistening Surface of profile completely, improves the planarization of film.
As the improvement of the present invention, the present invention has made intensive studies to electrophoretic paint and electrophoresis tank composition, existing skill
Paint film in art after electrophoretic process is often transparent, gloss is high, fails to embody the light sensation and texture of log.To realize there is delustring to make
Translucent electrophoretic paint film layer, electrophoresis paint ingredients of the present invention may include polyacrylic acid, melmac and titanium dioxide, its
In, polyacrylic acid, melmac have preferable extinction effect, and titanium dioxide can make electrodeposited paint film semi-transparent as pigment
It is bright.Also, the ratio for controlling electrophoretic paint quality to account for tank liquor quality is 30~50%, and titanium dioxide quality accounts for the 0.01 of tank liquor quality
~1.5%, the electrodeposited paint film good weatherability of formation, and paint film has matt effect, and electrophoresis tank solid part is painted when being 8~10%
Film is better.
Further, tank liquor solvent includes isopropanol, ethylene glycol monobutyl ether and hydroxyethyl methacrylate, wherein, tank liquor
Middle isopropanol mass fraction control is that the control of 1~3%, ethylene glycol monobutyl ether mass fraction is 1~2%, hydroxyethyl methacrylate second
The control of ester mass fraction is 0.1~0.5%, and painting quality is more stablized.
After electrophoretic paint dipping electrophoresis formation electrodeposited paint film, wash and drip-dry Surface of profile, put the profile into solidification
Stove carries out the solidification of electrodeposited paint film, and it is 165~220 DEG C to control solidification temperature, and the time is 25~45min.
The operation temperature of the steps such as anodic oxidation, electrolytic coloring and electrophoretic process has considerable influence to the performance of each film layer,
The operation temperature of each step is presented as tank liquor temperature, and it is 18~23 DEG C preferably to control oxidation trough temperature；It is preferred that controlling electrolytic coloring
Bath temperature degree is 28~35 DEG C；It is preferred that controlling electrophoresis tank temperature to be 18~26 DEG C.
In transfer printing wood grain process, by high temperature action, by woodgrained paper or wood grain film curing ink solution pervasion to electrodeposited paint film
To form clearly lines in layer, the due lines effect of solid wood is reduced.
As a kind of embodiment, transfer printing wood grain process may include woodgrained paper envelope, vacuumize, solidifies and cool down
Operation.Specifically, section bar centering is wrapped first with special woodgrained paper, and the edge of paper two is sticked；Then take out true
Sky, the air in woodgrained paper envelope is pumped, and makes woodgrained paper is smooth to be adjacent to section bar；Then curing oven is put the profile into, in high temperature
Under effect, the ink solution pervasion on woodgrained paper is into electrophoretic paint protective layer, 165~200 DEG C of curing oven in-furnace temperature, time 3
~10min；Finally, air is blown into paper envelope, cooling tears woodgrained paper off, you can obtain possessing graining product.
As another improvement of the present invention, above-mentioned graining aluminium section bar production technology also includes pretreatment procedure, preceding
Treatment process includes the steps such as oil removing pretreatment, washing, caustic corrosion, neutralization, washing, and the purpose of pretreatment procedure is to remove section bar
Surface and oil contaminant, burr, miscellaneous point etc., improve section bar cleannes, can as agent technology scheme of the present invention basic process.Specifically
Ground, it is sodium hydroxide solution to control caustic corrosion tank liquor, and concentration is 40~50g/L, and temperature is 40~50 DEG C, and the time is 3~5min；
Neutralizer is sulfuric acid solution, and concentration is 160~200g/L, and the time is 3~5min.Surface cleaning effect is can obtain under the parameter
Good aluminium section bar, is easy to the orderly progress of subsequent operation, is further ensured that product quality.
The present invention solves the uneven problem of section bar groove position film by processes such as anodic oxidation and electrophoretic process, utilizes
The optimal background color of electrolytic coloring process generation graining, using the translucent electrodeposited paint film of delustring as superposition film layer, not only makes
The background color of electrolytic coloring is more soft, while reducing the glossiness of background color and organic film in itself, reduces the color and luster of solid wood, most
Transferred again by the infiltration of wood grain ink afterwards, lines is manufactured on electrodeposited paint film, the due lines of solid wood is reduced.With existing skill
Art is compared, with following beneficial effects：
First, each even film layer：Efficiently solve groove or labyrinth position thicknesses of layers is uneven, or even the skill without film
Art problem, the overall outward appearance of product and decay resistance are homogeneous.
Second, the hard good texture of product：By the control to each film layer glossiness and thickness, ink lines is being kept clearly
Meanwhile, retain Wood hard sense so that the Overlay of each film layer visually is good, possesses wooden light sensation and Wood hard sense.
3rd, visual effect is true to nature：It is the translucent electrodeposited paint film of delustring to control electrodeposited paint film, not only reflects titanium background color
Out, make it more soft, and effectively control the visual glossiness of film layer, the visual effect of whole graining product
It is true to nature, it is unique.
It is used as a kind of currently preferred graining aluminium section bar production technology, including operations described below process：
1S pretreatment procedures：Including oil removing pretreatment, washing, caustic corrosion, washing, neutralization and water washing operations, wherein alkali is rotten
Erosion tank liquor is sodium hydroxide solution, and concentration is 40~50g/L, and temperature is 40~50 DEG C, and the time is 3~5min；Neutralizer is sulphur
Acid solution, concentration is 160~200g/L, and the time is 3~5min；
2S anodic oxidation processes：Including anodic oxidation and water washing operations, wherein in oxidation trough sulfuric acid concentration be 165~
185g/L, voltage is 13~16V, and the time is 30~50min, and temperature is 18~23 DEG C, and oxide thickness is 8~15 μm；
3S electrolytic coloring processes：Including electrolytic coloring and water washing operations, wherein SeO in titanium colouring slot liquid2 -Concentration be 4~
10g/L, tank liquor pH value is 1.0~1.7, and coloration voltage is 7~10V, and coloration time is 1~3min, and temperature is 28~35 DEG C；
4S electrophoretic process processes：Including electrophoretic process, washing, drip-dry, solidification and cooling down operation, wherein, electrophoretic paint includes
Polyacrylic acid, melmac and titanium dioxide, the ratio that the electrophoretic paint quality accounts for tank liquor quality are 30~50%, described
Titanium dioxide quality accounts for the 0.01~1.5% of tank liquor quality, and the electrophoresis tank solid part is 8~10%；
In tank liquor solvent the control of isopropanol mass fraction be the control of 1~3%, ethylene glycol monobutyl ether mass fraction be 1~
2%th, the control of hydroxyethyl methacrylate mass fraction is 0.1~0.5%；Tank liquor pH value is 7~10, and voltage is 110~150V,
Time is 5~15min, and temperature is 18~26 DEG C；
Solidification temperature is 165~220 DEG C, and hardening time is 25~45min；
5S transfer printing wood grain processes：Including woodgrained paper envelope, vacuumize, solidify and cooling down operation, wherein solidification temperature is 165
~200 DEG C, processing time is 3~10min.
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 scheme 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, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.It should be noted that
In the case of not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
Embodiment 1
One kind decoration production process of aluminium section, comprises the following steps：
1S pretreatment procedures：Aluminium section bar carries out oil removing pretreatment, washing, caustic corrosion, washing, neutralization and washing behaviour successively
Make, oil removing pretreatment is carried out first, 5~10min is soaked in degreaser, remove surface and oil contaminant, then washing cleaning surface, alkali
Corrosion process is 40g/L in concentration, and temperature is corrosion dissolution surface spikes, miscellaneous to handle 3min in 40 DEG C of sodium hydroxide solution
Point；Concentration is the alkaline matter in 160g/L sulfuric acid solution with residual after washing, improves the cleannes of section bar, is neutralized
Time is 3min, finally washing cleaning surface；
2S anodic oxidation processes：Anodic oxidation is carried out in sulfuric acid oxidation groove, it is 165g/L to control sulfuric acid concentration, voltage is
13V, the time is 30min, and oxide thickness is 9 μm, and temperature is 19 DEG C, then washing cleaning surface；
3S electrolytic coloring processes：Electrolytic coloring operation is carried out in titanium coloring groove, makes precipitation metal in oxide-film fenestra
Or non-metallic atom particle, control SeO2 -Concentration 4g/L, voltage 7V, tank liquor PH are 1.0, and time 1min, temperature is 35 DEG C, makes type
Material surface forms blond shades, then washing cleaning surface；
4S electrophoretic process processes：2~3min of pre-soaking in electrophoresis tank, then carries out electrophoretic process, and control electrophoresis tank is consolidated
Body part is 8%, and tank liquor pH value is 7, and voltage is 110V, and the time is 5min, and temperature is 24 DEG C, Surface of profile formation is had delustring
Property translucent electrodeposited paint film, and the thickness of electrodeposited paint film is 16 μm, drip-dry behind washing cleaning surface, then is put the profile into solid
Change the solidification that electrophoretic paint film layer is carried out in stove, solidification temperature is 165 DEG C, and hardening time is 25min, is finally cooled to room temperature；
5S transfer printing wood grain processes：Section bar centering is wrapped using special woodgrained paper, and the edge of paper two is sticked, so
The air in woodgrained paper envelope is pumped afterwards, makes woodgrained paper is smooth to be adjacent to section bar；Then curing oven is put the profile into, is made in high temperature
Under, the ink solution pervasion on woodgrained paper is into electrodeposited paint film, 165 DEG C of control curing oven in-furnace temperature, time 3min, finally
Woodgrained paper is torn off after air, cooling are blown into paper envelope, and graining aluminium section bar is made.
Embodiment 2
1S pretreatment procedures：Aluminium section bar carries out oil removing pretreatment, washing, caustic corrosion, washing, neutralization and washing behaviour successively
Make, oil removing pretreatment is carried out first, 5~10min is soaked in degreaser, remove surface and oil contaminant, then washing cleaning surface, alkali
Corrosion process is 45g/L in concentration, and temperature is corrosion dissolution surface spikes, miscellaneous to handle 4min in 43 DEG C of sodium hydroxide solution
Point；Concentration is the alkaline matter in 170g/L sulfuric acid solution with residual after washing, improves the cleannes of section bar, is neutralized
Time is 4min, finally washing cleaning surface；
2S anodic oxidation processes：Anodic oxidation is carried out in sulfuric acid oxidation groove, it is 170g/L to control sulfuric acid concentration, voltage is
14V, the time is 37min, and oxide thickness is 11 μm, and temperature is 20 DEG C, then washing cleaning surface；
3S electrolytic coloring processes：Electrolytic coloring operation is carried out in titanium coloring groove, makes precipitation metal in oxide-film fenestra
Or non-metallic atom particle, control SeO2 -Concentration 6g/L, voltage 8V, tank liquor PH are 1.2, and time 2min, temperature is 30 DEG C, makes type
Material surface forms blond shades, then washing cleaning surface；
4S electrophoretic process processes：2~3min of pre-soaking in electrophoresis tank, then carries out electrophoretic process, and control electrophoresis tank is consolidated
Body part is 9%, and tank liquor pH value is 8, and voltage is 120V, and the time is 10min, and temperature is 26 DEG C, has Surface of profile formation and disappears
The translucent electrodeposited paint film of photosensitiveness, and the thickness of electrodeposited paint film is 21 μm, drip-dry behind washing cleaning surface, then put the profile into
The solidification of electrophoretic paint film layer is carried out in curing oven, solidification temperature is 180 DEG C, and hardening time is 30min, is finally cooled to room temperature；
5S transfer printing wood grain processes：Section bar centering is wrapped using special woodgrained paper, and the edge of paper two is sticked, so
The air in woodgrained paper envelope is pumped afterwards, makes woodgrained paper is smooth to be adjacent to section bar；Then curing oven is put the profile into, is made in high temperature
Under, the ink solution pervasion on woodgrained paper is into electrodeposited paint film, 175 DEG C of control curing oven in-furnace temperature, time 5min, finally
Woodgrained paper is torn off after air, cooling are blown into paper envelope, and graining aluminium section bar is made.
Embodiment 3
1S pretreatment procedures：Aluminium section bar carries out oil removing pretreatment, washing, caustic corrosion, washing, neutralization and washing behaviour successively
Make, oil removing pretreatment is carried out first, 5~10min is soaked in degreaser, remove surface and oil contaminant, then washing cleaning surface, alkali
Corrosion process is 45g/L in concentration, and temperature is corrosion dissolution surface spikes, miscellaneous to handle 4min in 46 DEG C of sodium hydroxide solution
Point；Concentration is the alkaline matter in 180g/L sulfuric acid solution with residual after washing, improves the cleannes of section bar, is neutralized
Time is 4min, finally washing cleaning surface；
2S anodic oxidation processes：Anodic oxidation is carried out in sulfuric acid oxidation groove, it is 180g/L to control sulfuric acid concentration, voltage is
15V, the time is 42min, and oxide thickness is 12 μm, and temperature is 21 DEG C, then washing cleaning surface；
3S electrolytic coloring processes：Electrolytic coloring operation is carried out in titanium coloring groove, makes precipitation metal in oxide-film fenestra
Or non-metallic atom particle, control SeO2 -Concentration 8g/L, voltage 9V, tank liquor PH are 1.4, and time 2min, temperature is 32 DEG C, makes type
Material surface forms blond shades, then washing cleaning surface；
4S electrophoretic process processes：2~3min of pre-soaking in electrophoresis tank, then carries out electrophoretic process, and control electrophoresis tank is consolidated
Body part is 9%, and tank liquor pH value is 9, and voltage is 130V, and the time is 13min, and temperature is 21 DEG C, has Surface of profile formation and disappears
The translucent electrodeposited paint film of photosensitiveness, and the thickness of electrodeposited paint film is 26 μm, drip-dry behind washing cleaning surface, then put the profile into
The solidification of electrophoretic paint film layer is carried out in curing oven, solidification temperature is 205 DEG C, and hardening time is 40min, is finally cooled to room temperature；
5S transfer printing wood grain processes：Section bar centering is wrapped using special woodgrained paper, and the edge of paper two is sticked, so
The air in woodgrained paper envelope is pumped afterwards, makes woodgrained paper is smooth to be adjacent to section bar；Then curing oven is put the profile into, is made in high temperature
Under, the ink solution pervasion on woodgrained paper is into electrodeposited paint film, 185 DEG C of control curing oven in-furnace temperature, time 7min, finally
Woodgrained paper is torn off after air, cooling are blown into paper envelope, and graining aluminium section bar is made.
Embodiment 4
1S pretreatment procedures：Aluminium section bar carries out oil removing pretreatment, washing, caustic corrosion, washing, neutralization and washing behaviour successively
Make, oil removing pretreatment is carried out first, 5~10min is soaked in degreaser, remove surface and oil contaminant, then washing cleaning surface, alkali
Corrosion process is 50g/L in concentration, and temperature is corrosion dissolution surface spikes, miscellaneous to handle 5min in 50 DEG C of sodium hydroxide solution
Point；Concentration is the alkaline matter in 190g/L sulfuric acid solution with residual after washing, improves the cleannes of section bar, is neutralized
Time is 5min, finally washing cleaning surface；
2S anodic oxidation processes：Anodic oxidation is carried out in sulfuric acid oxidation groove, it is 185g/L to control sulfuric acid concentration, voltage is
16V, the time is 50min, and oxide thickness is 14 μm, and temperature is 23 DEG C, then washing cleaning surface；
3S electrolytic coloring processes：Electrolytic coloring operation is carried out in titanium coloring groove, makes precipitation metal in oxide-film fenestra
Or non-metallic atom particle, control SeO2 -Concentration 10g/L, voltage 10V, tank liquor PH are 1.6, and time 3min, temperature is 28 DEG C, is made
Surface is cleaned in Surface of profile formation blond shades, then washing；
4S electrophoretic process processes：2~3min of pre-soaking in electrophoresis tank, then carries out electrophoretic process, and control electrophoresis tank is consolidated
Body part is 10%, and tank liquor pH value is 10, and voltage is 150V, and the time is 15min, and temperature is 18 DEG C, has Surface of profile formation
The translucent electrodeposited paint film of extinction, and the thickness of electrodeposited paint film is 29 μm, drip-dry behind washing cleaning surface, then section bar is put
Enter to carry out the solidification of electrophoretic paint film layer in curing oven, solidification temperature is 220 DEG C, and hardening time is 45min, is finally cooled to room
Temperature；
5S transfer printing wood grain processes：Section bar centering is wrapped using special woodgrained paper, and the edge of paper two is sticked, so
The air in woodgrained paper envelope is pumped afterwards, makes woodgrained paper is smooth to be adjacent to section bar；Then curing oven is put the profile into, is made in high temperature
Under, the ink solution pervasion on woodgrained paper is into electrodeposited paint film, 200 DEG C of control curing oven in-furnace temperature, time 10min, most
Woodgrained paper is torn off after being blown into air, cooling in paper envelope afterwards, and graining aluminium section bar is made.
Wherein, electrophoretic paint selects Hani board electrophoretic paint, also, isopropanol quality point in tank liquor solvent in embodiment 1~4
It is that 1~2%, hydroxyethyl methacrylate mass fraction is controlled that numerical control, which is made as the control of 1~3%, ethylene glycol monobutyl ether mass fraction,
For 0.1~0.5%.
Test case
The mode of operation provided using above-described embodiment carries out the production of graining aluminium section bar to aluminium section bar, and to being made
Product carries out performance test, and test event includes outward appearance, adhesive force, pencil hardness and salt fog resistance, the test result such as institute of table 1
Show：
The different graining aluminium section bar the performance test results of table 1
| Sequence number | Detection project | Standard requirement | Implement 1 | Implement 2 | Implement 3 | Implement 4 |
| 1 | Outward appearance | It is without exception | It is without exception | It is without exception | It is without exception | It is without exception |
| 2 | Adhesive force | It is not less than 0 grade | 0 grade | 0 grade | 0 grade | 0 grade |
| 3 | Pencil hardness | ≥3H | 4H | 4H | 4H | 4H |
| 4 | Salt fog resistance | >=9.5 grades | 10 grades | 10 grades | 10 grades | 10 grades |
And by visual analysis, obtained graining aluminium section bar color is homogeneous, thicknesses of layers is uniform, with pole
Production technology disclosed in good wood grain light sensation and Wood hard sense, particularly embodiment 2 and embodiment 3, obtained aluminium section bar
Visual effect is especially true to nature, unique.
In summary, it is recessed that the production technology that the present invention is provided solves section bar by processes such as anodic oxidation and electrophoretic process
Groove location film inequality problem, and with good decay resistance, generate graining using electrolytic coloring process optimal
Background color, using the translucent electrodeposited paint film of delustring as superposition film layer, not only make the background color of electrolytic coloring more soft, simultaneously drop
The low glossiness of background color and organic film in itself, reduces the color and luster of solid wood, is finally transferred again by the infiltration of wood grain ink,
Lines is manufactured on electrodeposited paint film, with splendid visual effect.
Descriptions above can combine implementation individually or in a variety of ways, and these variants all exist
Within protection scope of the present invention.
Finally it should be noted that：Herein, term " comprising ", "comprising" or its any other variant are intended to non-
It is exclusive to include, so that process, method, article or equipment comprising a series of key elements not only include those key elements,
But also other key elements including being not expressly set out, or also include solid by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element limited by sentence " including one ... ", it is not excluded that including institute
Also there is other identical element in process, method, article or the equipment of stating 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 within the art that：It still can be to foregoing each implementation
Technical scheme 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 scheme.
Claims (10)
1. a kind of graining aluminium section bar production technology, it is characterised in that under the graining aluminium section bar production technology includes
State process：
Anodic oxidation, aluminium section bar enters sulfuric acid oxidation groove and carries out electrolytic oxidation process；
Electrolytic coloring, the aluminium section bar after anodic oxidation enters titanium coloring groove and carries out electrolytic coloring processing；
Electrophoretic process, the aluminium section bar after electrolytic coloring processing enters electrophoresis tank and carries out electrophoretic process；
Transfer printing wood grain, grain pattern is transferred on the aluminium section bar after electrophoretic process, and graining product is made.
2. graining aluminium section bar production technology as claimed in claim 1, it is characterised in that in the anodic oxidation process,
The oxide thickness of Surface of profile formation is 8~15 μm.
3. graining aluminium section bar production technology as claimed in claim 1, it is characterised in that in the electrolytic coloring process,
SeO in the titanium colouring slot liquid2 -Concentration is 4~10g/L, and tank liquor pH value is 1.0~1.7, and coloration voltage is 7~10V, coloring
Time is 1~3min.
4. such as graining aluminium section bar production technology according to any one of claims 1 to 3, it is characterised in that the electrophoresis
In treatment process, the aluminium shape surface formation translucent electrodeposited paint film of delustring, also, electrodeposited paint film thickness is 15~30 μm.
5. such as graining aluminium section bar production technology according to any one of claims 1 to 3, it is characterised in that the electrophoresis
In treatment process, electrophoresis paint ingredients includes polyacrylic acid, melmac and titanium dioxide, and the electrophoretic paint quality accounts for tank liquor
The ratio of quality is 30~50%, and the titanium dioxide quality accounts for the 0.01~1.5% of tank liquor quality, the electrophoresis tank solid part
For 8~10%.
6. graining aluminium section bar production technology as claimed in claim 5, it is characterised in that in the electrophoretic process process,
Tank liquor solvent includes isopropanol, ethylene glycol monobutyl ether and hydroxyethyl methacrylate, wherein, isopropanol mass fraction control in tank liquor
It is that the control of 1~2%, hydroxyethyl methacrylate mass fraction is 0.1 to be made as the control of 1~3%, ethylene glycol monobutyl ether mass fraction
~0.5%；
Tank liquor pH value is 7~10, and electrophoretic voltage is 110~150V, and the time is 5~15min.
7. such as graining aluminium section bar production technology according to any one of claims 1 to 3, it is characterised in that the anode
In oxidation operation, oxidation trough sulfuric acid concentration is 165~185g/L, and voltage is 13~16V, and the time is 30~50min.
8. graining aluminium section bar production technology as claimed in claim 1, it is characterised in that in the transfer printing wood grain process,
Woodgrained paper or wood grain film are adjacent to section bar, after be put into curing oven high-temperature process, wherein, the temperature of high-temperature process is 165~200
DEG C, processing time is 3~10min.
9. graining aluminium section bar production technology as claimed in claim 1, it is characterised in that the decoration aluminium section bar produces work
Skill also includes pretreatment procedure, and each operation operating procedure is as follows：
(1) pretreatment procedure：Including oil removing pretreatment, washing, caustic corrosion, washing, neutralization and water washing operations, wherein caustic corrosion groove
Liquid is sodium hydroxide solution, and concentration is 40~50g/L, and temperature is 40~50 DEG C, and the time is 3~5min；Neutralizer is that sulfuric acid is molten
Liquid, concentration is 160~200g/L, and the time is 3~5min；
(2) anodic oxidation process：Including anodic oxidation and water washing operations, sulfuric acid concentration is 165~185g/L wherein in oxidation trough,
Voltage is 13~16V, and the time is 30~50min, and temperature is 18~23 DEG C, and oxide thickness is 8~15 μm；
(3) electrolytic coloring process：Including electrolytic coloring and water washing operations, wherein SeO in titanium colouring slot liquid2 -Concentration be 4~
10g/L, tank liquor pH value is 1.0~1.7, and coloration voltage is 7~10V, and coloration time is 1~3min, and temperature is 28~35 DEG C；
(4) electrophoretic process process：Including electrophoretic process, washing, drip-dry, solidification and cooling down operation, wherein, electrophoretic paint includes poly- third
Olefin(e) acid, melmac and titanium dioxide, the ratio that the electrophoretic paint quality accounts for tank liquor quality are 30~50%, the dioxy
Change titanium quality and account for the 0.01~1.5% of tank liquor quality, the electrophoresis tank solid part is 8~10%；Isopropanol matter in tank liquor solvent
Amount Fractional domination is that the control of 1~3%, ethylene glycol monobutyl ether mass fraction is 1~2%, hydroxyethyl methacrylate mass fraction
Control as 0.1~0.5%；Tank liquor pH value is 7~10, and voltage is 110~150V, and the time is 5~15min, and temperature is 18~26
℃；
Solidification temperature is 165~220 DEG C, and hardening time is 25~45min；
(5) transfer printing wood grain process：Including woodgrained paper envelope, vacuumize, solidify and cooling down operation, wherein solidification temperature be 165~
200 DEG C, processing time is 3~10min.
10. one kind is filled using the wood grain as made from graining aluminium section bar production technology according to any one of claims 1 to 9
Adorn aluminium profile product.
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| CN110438544A (en) * | 2019-07-26 | 2019-11-12 | 湖南金牛铝业有限公司 | A kind of weather-proof electrophoresis wood grain production process of aluminium section and its aluminum profile of preparation |
| CN110846701A (en) * | 2019-12-05 | 2020-02-28 | 山东华建铝业集团有限公司 | Aluminum alloy electrophoresis pure-color transfer printing production process |
| CN112339483A (en) * | 2020-11-18 | 2021-02-09 | 成都阳光铝制品有限公司 | Transfer printing process for wood grain of aluminum profile |
| CN115787033A (en) * | 2022-12-08 | 2023-03-14 | 苏州华远纳米科技有限公司 | Decoration panel simulating anodic oxidation effect through electrophoresis and processing technology thereof |
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