CN106985475A - A kind of aluminium alloy nanometer electrophoresis composite film and its preparation technology - Google Patents
A kind of aluminium alloy nanometer electrophoresis composite film and its preparation technology Download PDFInfo
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- CN106985475A CN106985475A CN201710215951.4A CN201710215951A CN106985475A CN 106985475 A CN106985475 A CN 106985475A CN 201710215951 A CN201710215951 A CN 201710215951A CN 106985475 A CN106985475 A CN 106985475A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
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Abstract
The invention discloses a kind of aluminum alloy surface nanometer electrophoresis composite film and its preparation technology, aluminium alloy nanometer electrophoresis composite film includes nanometer layer and electrophoresis layer, described nanometer layer is one layer prepared with the method for special nanometer in aluminum alloy surface as the nanometer layer before electrophoresis, described coating electrophoresis layer is the electrocoating film prepared with electrophoresis method in aluminium alloy nanometer layer surface, and its preparation technology comprises the following steps:Deoil;Washing;Chemical nanosizing;Electrochemical nanosizing;Washing;Electrophoresis;Washing;Drying.Aluminium alloy nanometer electrophoresis composite membrane produced by the present invention, adhesion is excellent, and color is various, appearance looks elegant, and decorative surface is strong, and more preferably, technique is simple, easy to operate for corrosion resistance, it is easy to accomplish.
Description
Technical field
The present invention relates to a kind of aluminium alloy nanometer electrophoresis composite film and its preparation technology.
Background technology
Aluminium alloy is the general name using aluminium as the alloy of base, and its main alloy element has copper, silicon, magnesium, zinc, manganese, secondary alloy
Member have nickel, iron, titanium, chromium, lithium etc..Aluminium alloy density is low, but intensity is higher, near or above high-quality steel, and plasticity is good, can add
Work, with excellent electric conductivity and thermal conductivity, is widely used in industrial industry-by-industry into various required parts.Nanosizing
Processing technology is gradually favored in aluminium industry, and electrophoresis process is the basic technology being processed to aluminium alloy extrusions.Nano surface
Technical matters flow is simple, economical, environmentally friendly, film hardness is high, surface is there is the blind property micropore of nanoscale, is follow-up application coloring
Processing is laid a good foundation.Conventional electrophoretic technological development is very ripe, and electrophoresis film layer various colors, corrosion resistance are good, is suitable for each
Plant incrustation and anti-corrosion protection.But pretreatment process is sufficiently complex before electrophoresis, including degreasing, washing, neutralization, anodic oxidation,
The multiple working procedure of coloring, electrophoresis etc. 20, operation is various, and water consume is big, and toxic heavy metal element, wastewater and waste liquid treatment are contained in waste liquid
Trouble, so as to significantly limit its development space.It is how effective by both the above process integration so that electrophoresis composite film
With the respective advantage of both the above technique.
The content of the invention
In order to solve the above technical problems, the present invention proposes a kind of aluminium alloy nanometer electrophoresis composite film, including positioned at aluminium
Electrocoating film in nanometer layer on alloy-layer, the nanometer layer.
A kind of preparation technology of aluminium alloy nanometer electrophoresis composite film, comprises the following steps:
S1:Deoil, aluminium alloy is placed inIn degreaser, keepMinute, oil processing is gone in progress;
S2:Washing, will be placed in the water of flowing through the step s1 aluminium alloys for handling completion and wash at normal temperaturesMinute,
The pH value of its reclaimed water is
S3:Nanosizing, it includes following two sub-steps:
s301:Chemical nanosizing, aluminium alloy is put into chemical nanosizing inorganic agent, 50-70 DEG C of temperature, processing time 1-
5 minutes;
s302:Electric nanosizing, equal power supply, voltage 10-50V, processing time are aoxidized using common anodeMinute,
Treatment temperature is
S4:Washing, is washed at normal temperatures by being handled through step S3 in the aluminium alloy completed taking-up, the water for being placed in flowing
Minute, the pH value of its reclaimed water is
S5:Adjustment, will handle the aluminium alloy completed taking-up through step S4, is placed in regulator, handles at normal temperatures
Minute, the pH value of its reclaimed water is
S6:Washing, will be placed in the water of flowing through the step S5 aluminium alloys for handling completion and wash at normal temperaturesMinute,
The pH value of its reclaimed water is
S7:Electrophoresis:The aluminium alloy for washing completion is placed in electrophoretic process 1-2 minutes, wherein electrophoresis in 20-30 DEG C of electrophoresis tank
The voltage of processing is 60-100V;
S8:Washing, will be placed in the water of flowing through the step S7 aluminium alloys for handling completion and wash at normal temperaturesMinute;
S9:Drying, aluminium alloy is placed in baking oven in 180 DEG C of dryingMinute.
It is preferred that, the regulator in described step S5 is one kind in acid amides, acid imide, phosphoamide, fatty amine.
It is preferred that, the chemical nanosizing inorganic agent in described step S3 is the mixing of ammonium acid fluoride and hydrofluoric acid
Thing.
It is preferred that, the tank liquor of electrochemical nanometer method is sulfuric acid and the mixed acid tank liquor of phosphoric acid.
Aluminium alloy nanometer electrophoresis composite film proposed by the present invention and its process have following beneficial effect:
(1) aluminium alloy nanometer electrophoresis color produced by the present invention is various, and appearance looks elegant, decorative surface is strong;
(2) aluminum substrate and nano-pore of the invention, nanometer aperture layer are mutually chimeric with electrophoresis layer, and nano-pore composite film is overall
Adhesion is stronger, and corrosion resistance is more preferable;
(3) present invention process is simple, easy to operate, it is easy to accomplish.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described.
Fig. 1 is schematic diagram of the invention;
Wherein, 1- aluminium alloy layers, 2- nanometer layers, 3- electrocoating films.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.
Embodiment 1
The present invention proposes a kind of aluminium alloy nanometer electrophoresis composite film, including the nanometer layer 2 on aluminium alloy layer 1,
Electrocoating film 3 in the nanometer layer 2, described nanometer layer 2 is what is prepared with special nanosizing processing method in aluminum alloy surface
One layer is the electrophoresis prepared with electrophoresis method on the surface of aluminium alloy nanometer layer 2 as the bottom before electrophoresis, described coating
Film 3.The following is preparation technology:
One layer of nanometer layer 2 as the bottom before electrophoresis prepared by surface, described coating is to be closed with electrophoresis method in aluminium
The electrocoating film 3 that gold nano electrophoretic surface has been prepared.
The preparation technology of aluminium alloy nanometer electrophoresis composite film, it is characterised in that:It comprises the following steps:
s1:Deoil:Aluminium alloy is placed in 50 DEG C of degreasers, kept for 2 minutes, oil processing is gone in progress;
s2:Washing:It will be placed in the water of flowing and wash at normal temperatures 3 minutes through the step s1 aluminium alloys for handling completion, its
The pH value of reclaimed water is 7;
s3:Nanometered disposal:It includes following two sub-steps:
s301:Chemical nanosizing, aluminium alloy is put into chemical treatments, 60 DEG C, 3 minutes;
s302:Electric nanosizing, equal power supply is aoxidized using oxidation, electrolyte sulfuric acid, concentration 200g/L, voltage 10V,
15 minutes processing times, treatment temperature is 20 DEG C
s4:Washing:The aluminium alloy completed taking-up will be handled through step S3, be placed in the water of flowing and wash 3 points at normal temperatures
Clock, the pH value of its reclaimed water is 7;
s5:Adjustment:The aluminium alloy completed taking-up will be handled through step S4, be placed in acid imide, 3 points are washed at normal temperatures
Clock, the pH value of its reclaimed water is 9;
s6:Washing:It will be placed in the water of flowing and wash at normal temperatures 3 minutes through the step s2 aluminium alloys for handling completion, its
The pH value of reclaimed water is 7;
s7:Electrophoresis:The aluminium alloy extrusions for washing completion is placed in electrophoretic process 2 minutes, wherein electrophoresis in 20 DEG C of electrophoresis tanks
The voltage of processing is 60V;
s8:Washing:It will be placed in the water of flowing and wash at normal temperatures 3 minutes through the step S6 aluminium alloys for handling completion;
s9:Drying:Aluminium alloy extrusions is placed in baking oven and dried 30 minutes at 180 DEG C.
Embodiment 2
Aluminium alloy nanometer electrophoresis composite film, it includes nanometer layer 2 and coating, and described nanometer layer 2 is to use nanometered disposal
One layer of nanometer layer 2 as the bottom before electrophoresis that technology is prepared in aluminum alloy surface, described coating is to be existed with electrophoresis method
The electrocoating film 3 that aluminium alloy nanometer electrophoretic surface has been prepared.
The preparation technology of aluminum alloy differential arc electrophoresis composite film, it is characterised in that:It comprises the following steps:
s1:Deoil:Aluminium alloy is placed in 45 DEG C of degreasers, kept for 6 minutes, oil processing is gone in progress;
s2:Washing:It will be placed in the water of flowing and wash at normal temperatures 4 minutes through the step S1 aluminium alloys for handling completion, its
The pH value of reclaimed water is 7;
s3:Nanosizing:It includes following two sub-steps:s301:Chemical nanosizing, chemical treatments are put into by aluminium alloy
In, 60 DEG C, 3 minutes;s302:Electric nanosizing, power supply is aoxidized using common anode, uses phosphoric acid, 200g/L, voltage 20V, processing
18 minutes time, treatment temperature is 25 DEG C;
s4:Washing:The aluminium alloy completed taking-up will be handled through step S3, be placed in the water of flowing and wash 4 points at normal temperatures
Clock, the pH value of its reclaimed water is 7;
s5:Adjustment:The aluminium alloy completed taking-up will be handled through step S4, be placed in amide solvent, 3 points are washed at normal temperatures
Clock, the pH value of its reclaimed water is 9;
s6:Washing:It will be placed in the water of flowing and wash at normal temperatures 3 minutes through the step S5 aluminium alloys for handling completion, its
The pH value of reclaimed water is 7;
s7:Electrophoresis:The aluminium alloy for washing completion is placed in electrophoretic process 1 minute, wherein electrophoretic process in 20 DEG C of electrophoresis tanks
Voltage be 80V;
s8:Washing:It will be placed in the water of flowing and wash at normal temperatures 5 minutes through the step S7 aluminium alloys for handling completion;
s9:Drying:Aluminium alloy is placed in baking oven and dried 45 minutes at 180 DEG C.
Embodiment 3
Aluminum alloy differential arc electrophoresis composite film, it includes bottom and coating, and described bottom is to be existed with differential arc oxidation method
One layer of nanometer layer 2 as the bottom before electrophoresis prepared by aluminium alloy section surface, described coating is in aluminium with electrophoresis method
The electrocoating film 3 that alloy profile ceramic membrane surface has been prepared.
The preparation technology of aluminum alloy differential arc electrophoresis composite film, it is characterised in that:It comprises the following steps:
s1:Deoil:Aluminium alloy is placed in 50 DEG C of degreasers, kept for 7 minutes, oil processing is gone in progress;
s2:Washing:It will be placed in the water of flowing and wash at normal temperatures 5 minutes through the step S1 aluminium alloys for handling completion, its
The pH value of reclaimed water is 7;
s3:Nanosizing:It includes following two sub-steps:s301:Chemical nanosizing, chemical treatments are put into by aluminium alloy
In, 70 DEG C, 5 minutes;s302:Electric nanosizing, equal power supply is aoxidized using oxidation, using phosphoric acid and sulfuric acid mixture liquid tank liquor, often
150g sulfuric acid and 50g phosphoric acid in liter tank liquor, voltage 30V, 20 minutes processing times, treatment temperature is 50 DEG C;
s4:Washing:The aluminium alloy completed taking-up will be handled through step S3, be placed in the water of flowing and wash 5 points at normal temperatures
Clock, the pH value of its reclaimed water is 7;
s5:Adjustment:The aluminium alloy completed taking-up will be handled through step S4, be placed in phosphinylidyne amine solvent, 5 are washed at normal temperatures
Minute, the pH value of its reclaimed water is 10;
s6:Washing:It will be placed in the water of flowing and wash at normal temperatures 5 minutes through the step S2 aluminium alloys for handling completion, its
The pH value of reclaimed water is 7;
s7:Electrophoresis:The aluminium alloy for washing completion is placed in electrophoretic process 2 minutes, wherein electrophoretic process in 20 DEG C of electrophoresis tanks
Voltage be 100V;
s8:Washing:It will be placed in the water of flowing and wash at normal temperatures 5 minutes through the step S7 aluminium alloys for handling completion;
s9:Drying:Aluminium alloy is placed in baking oven and dried 60 minutes at 180 DEG C.
A variety of modifications to embodiment will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, originally
Invention is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty
Consistent most wide scope.
Claims (5)
1. a kind of aluminium alloy nanometer electrophoresis composite film, it is characterised in that described to receive including the nanometer layer on aluminium alloy layer
Electrocoating film on rice layer.
2. a kind of preparation technology of aluminium alloy nanometer electrophoresis composite film, it is characterised in that comprise the following steps:
S1:Deoil, aluminium alloy is placed inIn degreaser, keepMinute, oil processing is gone in progress;
S2:Washing, will be placed in the water of flowing through the step s1 aluminium alloys for handling completion and wash at normal temperatures Minute, wherein
The pH value of water is
S3:Nanosizing, it includes following two sub-steps:
s301:Chemical nanosizing, aluminium alloy is put into chemical nanosizing inorganic agent, 50-70 DEG C of temperature, processing time 1-5 point
Clock;
s302:Electric nanosizing, equal power supply, voltage 10-50V, processing time are aoxidized using common anode Minute, processing
Temperature is
S4:Washing, is washed at normal temperatures by being handled through step S3 in the aluminium alloy completed taking-up, the water for being placed in flowingPoint
Clock, the pH value of its reclaimed water is
S5:Adjustment, will handle the aluminium alloy completed taking-up through step S4, is placed in regulator, handles at normal temperaturesMinute,
The pH value of its reclaimed water is
S6:Washing, will be placed in the water of flowing through the step S5 aluminium alloys for handling completion and wash at normal temperatures Minute, wherein
The pH value of water is
S7:Electrophoresis:The aluminium alloy for washing completion is placed in electrophoretic process 1-2 minutes, wherein electrophoretic process in 20-30 DEG C of electrophoresis tank
Voltage be 60-100V;
S8:Washing, will be placed in the water of flowing through the step S7 aluminium alloys for handling completion and wash at normal temperatures Minute;
S9:Drying, aluminium alloy is placed in baking oven in 180 DEG C of dryingMinute.
3. the preparation technology of aluminium alloy nanometer electrophoresis composite film according to claim 2, it is characterised in that described step
Regulator in rapid S5 is one kind in acid amides, acid imide, phosphoamide, fatty amine.
4. the preparation technology of aluminium alloy nanometer electrophoresis composite film according to claim 2, it is characterised in that described step
The chemical nanosizing inorganic agent in rapid S3 is ammonium acid fluoride and the mixture of hydrofluoric acid.
5. the preparation technology of aluminium alloy nanometer electrophoresis composite film according to claim 2, it is characterised in that electrochemical nanometer
The tank liquor of method is the mixed acid tank liquor of sulfuric acid and phosphoric acid.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107687016A (en) * | 2017-09-02 | 2018-02-13 | 湖南金牛铝业有限公司 | A kind of aluminium alloy extrusions electrophoretic surface handling process |
CN107699936A (en) * | 2017-09-02 | 2018-02-16 | 湖南金牛铝业有限公司 | A kind of heat insulation broken bridge aluminum profile electrophoresis painting technique |
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CN103203915A (en) * | 2013-03-27 | 2013-07-17 | 成都阳光铝制品有限公司 | Aluminum micro-arc electrophoresis composite film and preparation process thereof |
CN105522684A (en) * | 2014-12-25 | 2016-04-27 | 比亚迪股份有限公司 | Metal-resin composite as well as preparation method thereof and electronic product shell |
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CN102477575A (en) * | 2010-11-23 | 2012-05-30 | 张家港市华杨金属制品有限公司 | Electrophoresis surface treatment process for aluminum product |
CN103203915A (en) * | 2013-03-27 | 2013-07-17 | 成都阳光铝制品有限公司 | Aluminum micro-arc electrophoresis composite film and preparation process thereof |
CN105522684A (en) * | 2014-12-25 | 2016-04-27 | 比亚迪股份有限公司 | Metal-resin composite as well as preparation method thereof and electronic product shell |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107687016A (en) * | 2017-09-02 | 2018-02-13 | 湖南金牛铝业有限公司 | A kind of aluminium alloy extrusions electrophoretic surface handling process |
CN107699936A (en) * | 2017-09-02 | 2018-02-16 | 湖南金牛铝业有限公司 | A kind of heat insulation broken bridge aluminum profile electrophoresis painting technique |
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