CN108515002A - Two-sided decoration color coated aluminum plate preparation process - Google Patents
Two-sided decoration color coated aluminum plate preparation process Download PDFInfo
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- CN108515002A CN108515002A CN201810194664.4A CN201810194664A CN108515002A CN 108515002 A CN108515002 A CN 108515002A CN 201810194664 A CN201810194664 A CN 201810194664A CN 108515002 A CN108515002 A CN 108515002A
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- aluminum plate
- preparation process
- coated aluminum
- coating
- plate preparation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/586—No clear coat specified each layer being cured, at least partially, separately
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/587—No clear coat specified some layers being coated "wet-on-wet", the others not
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
Abstract
Two-sided decoration color coated aluminum plate preparation process unreels, dipping degreasing, cleaning, pickling, cleaning, dippingization layer, cleaning, primary coat+back of the body painting, drying, cooling, back of the body painting, Drying and cooling, face painting, dries, is cooling, winding, packaging.Three, which are applied, using four dries technique, i.e. primary coat+back of the body painting+back of the body painting+face applies, using unreeling and wind in the same side systemic circulation flow, the method that the assembly line also uses roller rest application due to backboard, it can make the disposable application of backboard, panel, reach the good result that two sides is decorative cover, and the pollution that coating process generates can be separated to avoid due to positive and negative, it not only ensure that the quality of product in this way but also reduced cost, and improved production efficiency.Immersion pre-treating technology keeps aluminium sheet degreasing and change layer more uniform, is more advantageous to attachment of the coating on aluminium sheet, improves the adhesive force of coating.
Description
Technical field：
The present invention relates to Roof Bounding System coloured coating aluminium sheets, more specifically to two-sided decoration color coated aluminum plate system
Standby technique.
Background technology：
Roof Bounding System coloured coating aluminium sheet is the coloured coating aluminium sheet for integrating building decoration, for workshop, meeting
The external wall of building in exhibition center, large-scale sales field, airport, railway station etc. is gone along with sb. to guard him, in the coloured coating aluminium sheet that roof, metope etc. use.
Due to the particularity of roofing maintenance system, it has particular/special requirement to substrate base material and coating.It is aluminum substrate first, it is desirable that aluminum substrate
There are higher Wind-Pressure Resistance endurance and good buckling performance, al-mn-mg alloy is generally used currently on the market, due to aluminium
Manganese magnesium alloy has good tensile strength, 1.5-2 times higher than common 3003,1100 alloy aluminium sheets respectively, and al-mn-mg alloy
Aluminium sheet has good ductility, and it is variously-shaped to be conducive to following process molding.Followed by coating, it is desirable that coating has resistance to well
Hou Xing, prevent sunlight, the dusting of ultraviolet light and atmospheric oxygen, steam oxidation corrosion, therefore at present using gather inclined difluoro second
Alkene (PVDF) coating, for polyvinylidene fluoride due to its molecular structure quite stable, it has good radiation hardness ageing properties,
Similarly, since its organic macromolecule characteristic, it is not easy to by oxygen, the steam oxidation in air, under normal circumstances if one
Under the conditions of fixed film thickness, polyvinylidene fluoride coating can ensure 20 years or more to never degenerate, and be right up to decoration of exterior wall in this way
It needs.Since Roof Bounding System color coated aluminum plate has building and the double grading of decoration concurrently, therefore it is required that coating color and luster is gorgeous more
Coloured silk, any surface finish is plentiful, and color is integrally unified, and requires to reach such effect thus, in producing color coated aluminum plate, coating equipment
Also extremely important, it is also considerable for reaching ideal decorative effect controlling of production process certainly.Only ripe production
The stringent control of technique processing can just produce good product.
Invention content：
Two-sided decoration color coated aluminum plate is provided technical problem to be solved by the present invention lies in existing technological deficiency is overcome
Preparation process.
The technical problems to be solved by the invention are realized using technical solution below：
Two-sided decoration color coated aluminum plate preparation process, it is characterised in that：It mainly includes the following steps that：
Unreel, dipping degreasing, cleaning, pickling, cleaning, dippingization layer, cleaning, the primary coat+back of the body apply, drying, the cooling, back of the body apply,
Drying and cooling, face are applied, drying, cooling, winding, are packed；
Wherein dipping degreasing step is：The topped up with water in degreasing bath is warming up to 45 ± 10 DEG C, and degreaser, degreasing bath is added
The control of interior degreaser concentration is 2 ± 0.5%, basicity 6-8 points, 45 ± 10 DEG C of fluid temperature in degreasing bath, the dipping degreasing time 15
± 5 seconds；
Pickling process：Mordant includes that a concentration of 10% hydrochloric acid, 10% sodium hydroxide, pure acetic acid, 30% ethyl alcohol are molten
Liquid, cleaning method are to impregnate 72h；
Wherein face applies：Coating：Polyurethane, film thickness 12um, drying：Baking temperature：PMT is 224-232 DEG C；
Wherein primary coat：Coating：Polyester, film thickness 6um, drying：Baking temperature：PMT is 216-224 DEG C；
Wherein the back of the body applies：Coating：Epoxy, film thickness 5-7um, drying：Baking temperature：PMT is 216-224 DEG C.
Further technology：Before primary coat+back of the body applies, one layer of glue is smeared, glue is expected YB2002X and the black material of curing agent by host agent in vain
YB8001 bi-components compound；4 parts of YB2002X of its weight meter mixing ratio add 1 part of YB8001.
Further technology：Hot pressing, pressure >=0.5kg/c ㎡, hot pressing temperature and time are carried out after spreading glue：Temperature often on
10 degree or 10 degree of reduction are risen, reaction speed will shorten or increase.
Further technology：Hot pressing temperature and corresponding time relationship are specially：10℃-20h；20℃-8h；40℃-3h；60
℃-1h；80℃-25min.
Further technology：The degreaser Basicity Determination method：
It is taken in 10ml treatment fluids to 250ml conical flasks with pipette, 50ml pure water is added, 3-5 drop phenolphthalein indicators are added,
With 0.1N titration with hydrochloric acid to pink color disappeared, required hydrochloric acid ml is treatment fluid basicity.
Further technology：The degreaser concentration management method
It was measured 1 time every 3 hours in application tolerance, when concentration is down to benchmark or less, needs to supplement, often reduced a bit, addition
The 0.15% of degreaser capacity；When concentration increases, it need to be diluted with water to normal；The dosage for checking degreaser is needed in coating process is
No normal, when insufficient half, need to be supplemented to normal.
Further technology：The back of the body applies, face applies and uses double roller application, primary to complete.
It has the beneficial effect that：
Three are applied using four and dries techniques, i.e. primary coat+back of the body painting+back of the body painting+face applies, using unreeling and wind in the same side systemic circulation stream
Journey, the method which also uses roller rest application due to backboard, can make the disposable application of backboard, panel, it is equal to reach two sides
For the good result of decorative cover, and can both ensure that in this way to avoid separate the pollution of coating process generation due to positive and negative
The quality of product reduces cost again, improves production efficiency.Immersion pre-treating technology keeps aluminium sheet degreasing and change layer more equal
It is even, it is more advantageous to attachment of the coating on aluminium sheet, improves the adhesive force of coating.Pickling is to remove the greasy dirt, dirty of aluminium base plate surface
The oxide layer of object and self-assembling formation, and one layer of close chemical composition coating is formed, in favor of the secure bond of coating.
Description of the drawings：
Fig. 1 is the flow diagram of the present invention.
Specific implementation mode：
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As shown in Figure 1, two-sided decoration color coated aluminum plate preparation process, mainly includes the following steps that：
Unreel, dipping degreasing, cleaning, pickling, cleaning, dippingization layer, cleaning, the primary coat+back of the body apply, drying, the cooling, back of the body apply,
Drying and cooling, face are applied, drying, cooling, winding, are packed；
Wherein dipping degreasing step is：The topped up with water in degreasing bath is warming up to 45 ± 10 DEG C, and degreaser, degreasing bath is added
The control of interior degreaser concentration is 2 ± 0.5%, basicity 6-8 points, 45 ± 10 DEG C of fluid temperature in degreasing bath, the dipping degreasing time 15
± 5 seconds；
Pickling process：Mordant includes that a concentration of 10% hydrochloric acid, 10% sodium hydroxide, pure acetic acid, 30% ethyl alcohol are molten
Liquid, cleaning method are to impregnate 72h；
Wherein face applies：Coating：Polyurethane, film thickness 12um, drying：Baking temperature：PMT is 224-232 DEG C；
Wherein primary coat：Coating：Polyester, film thickness 6um, drying：Baking temperature：PMT is 216-224 DEG C；
Wherein the back of the body applies：Coating：Epoxy, film thickness 5-7um, drying：Baking temperature：PMT is 216-224 DEG C.
Before primary coat+back of the body applies, one layer of glue is smeared, glue is expected YB2002X and bis- groups of the black material YB8001 of curing agent by host agent in vain
Divide and compounds；4 parts of YB2002X of its weight meter mixing ratio add 1 part of YB8001.
Hot pressing, pressure >=0.5kg/c ㎡, hot pressing temperature and time are carried out after spreading glue：Temperature often rises 10 degree or drop
Low 10 degree, reaction speed will shorten or increase.
Hot pressing temperature and corresponding time relationship are specially：10℃-20h；20℃-8h；40℃-3h；60℃-1h；80℃-
25min。
Degreaser Basicity Determination method：
It is taken in 10ml treatment fluids to 250ml conical flasks with pipette, 50ml pure water is added, 3-5 drop phenolphthalein indicators are added,
With 0.1N titration with hydrochloric acid to pink color disappeared, required hydrochloric acid ml is treatment fluid basicity.
Degreaser concentration management method
It was measured 1 time every 3 hours in application tolerance, when concentration is down to benchmark or less, needs to supplement, often reduced a bit, addition
The 0.15% of degreaser capacity；When concentration increases, it need to be diluted with water to normal；The dosage for checking degreaser is needed in coating process is
No normal, when insufficient half, need to be supplemented to normal.
The back of the body applies, face applies and uses double roller application, primary to complete.
Experiment, the adhesive force of surface of aluminum plate and other performances after pre-treatment
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. two-sided decoration color coated aluminum plate preparation process, it is characterised in that：It mainly includes the following steps that：
It unreels, dipping degreasing, cleaning, pickling, cleaning, dippingization layer, cleaning, primary coat+back of the body is applied, dried, is cooling, the back of the body applies, drying
Cooling, face applies, drying, cooling, winds, packaging；
Wherein dipping degreasing step is：The topped up with water in degreasing bath is warming up to 45 ± 10 DEG C, and degreaser is added, is taken off in degreasing bath
The control of fat liquid concentration is 2 ± 0.5%, basicity 6-8 points, 45 ± 10 DEG C of fluid temperature in degreasing bath, the dipping degreasing time 15 ± 5
Second；
Pickling process：Mordant includes a concentration of 10% hydrochloric acid, 10% sodium hydroxide, pure acetic acid, 30% ethanol solution, clearly
Washing method is to impregnate 72h；
Wherein face applies：Coating：Polyurethane, film thickness 12um, drying：Baking temperature：PMT is 224-232 DEG C；
Wherein primary coat：Coating：Polyester, film thickness 6um, drying：Baking temperature：PMT is 216-224 DEG C；
Wherein the back of the body applies：Coating：Epoxy, film thickness 5-7um, drying：Baking temperature：PMT is 216-224 DEG C.
2. according to the two-sided decoration color coated aluminum plate preparation process described in claim 1, it is characterised in that：Before primary coat+back of the body applies,
One layer of glue is smeared, glue is expected that YB2002X and the black material YB8001 bi-components of curing agent are compounded by host agent in vain；Its weight meter is mixed
4 parts of YB2002X of composition and division in a proportion add 1 part of YB8001.
3. according to the two-sided decoration color coated aluminum plate preparation process described in claim 2, it is characterised in that：Spreading glue is laggard
Row hot pressing, pressure >=0.5kg/c ㎡, hot pressing temperature and time：Temperature often rises 10 degree or 10 degree of reduction, and reaction speed will shorten
Or increase.
4. according to the two-sided decoration color coated aluminum plate preparation process described in claim 3, it is characterised in that：Hot pressing temperature and when
Between correspondence be specially：10℃-20h；20℃-8h；40℃-3h；60℃-1h；80℃-25min.
5. according to the two-sided decoration color coated aluminum plate preparation process described in claim 1, it is characterised in that：The degreaser
Basicity Determination method：
It is taken in 10ml treatment fluids to 250ml conical flasks with pipette, 50ml pure water is added, 3-5 drop phenolphthalein indicators are added, used
0.1N titration with hydrochloric acid to pink color disappeared, required hydrochloric acid ml is treatment fluid basicity.
6. according to the two-sided decoration color coated aluminum plate preparation process described in claim 1, it is characterised in that：The degreaser
Concentration management method
It was measured 1 time every 3 hours in application tolerance, when concentration is down to benchmark or less, needs to supplement, often reduced a bit, add degreasing
The 0.15% of liquid capacity；When concentration increases, it need to be diluted with water to normal；The dosage of inspection degreaser is needed in coating process whether just
Often, it need to be supplemented to when insufficient half normal.
7. according to the two-sided decoration color coated aluminum plate preparation process described in claim 1, it is characterised in that：The back of the body applies, face applies and adopts
It is primary to complete with double roller application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194664.4A CN108515002A (en) | 2018-03-09 | 2018-03-09 | Two-sided decoration color coated aluminum plate preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194664.4A CN108515002A (en) | 2018-03-09 | 2018-03-09 | Two-sided decoration color coated aluminum plate preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108515002A true CN108515002A (en) | 2018-09-11 |
Family
ID=63433030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810194664.4A Pending CN108515002A (en) | 2018-03-09 | 2018-03-09 | Two-sided decoration color coated aluminum plate preparation process |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257510A (en) * | 2020-01-20 | 2020-06-09 | 武汉大润科技有限公司 | Degreasing fluid free alkalinity antistatic detection method |
| CN111408531A (en) * | 2020-03-24 | 2020-07-14 | 同曦集团有限公司 | Antibacterial and antiviral aluminum alloy electrostatic powder spraying process |
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| JPH09141188A (en) * | 1995-11-22 | 1997-06-03 | Central Glass Co Ltd | Film formation |
| JP2008188494A (en) * | 2007-02-01 | 2008-08-21 | Nihon Micro Coating Co Ltd | Method of coating double surfaces of porous metallic base material |
| CN101462104A (en) * | 2008-04-30 | 2009-06-24 | 海尔集团公司 | Method and equipment for processing coated metallic plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257510A (en) * | 2020-01-20 | 2020-06-09 | 武汉大润科技有限公司 | Degreasing fluid free alkalinity antistatic detection method |
| CN111408531A (en) * | 2020-03-24 | 2020-07-14 | 同曦集团有限公司 | Antibacterial and antiviral aluminum alloy electrostatic powder spraying process |
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Application publication date: 20180911 |