CN110481135A - A kind of production technology of two-sided tectorial color steel plate for building - Google Patents
A kind of production technology of two-sided tectorial color steel plate for building Download PDFInfo
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- CN110481135A CN110481135A CN201810459844.0A CN201810459844A CN110481135A CN 110481135 A CN110481135 A CN 110481135A CN 201810459844 A CN201810459844 A CN 201810459844A CN 110481135 A CN110481135 A CN 110481135A
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- coiled strip
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 83
- 239000010959 steel Substances 0.000 title claims abstract description 83
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000005516 engineering process Methods 0.000 title claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 85
- 239000010410 layer Substances 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229920002799 BoPET Polymers 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 239000012790 adhesive layer Substances 0.000 claims abstract description 13
- 238000007664 blowing Methods 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 239000003513 alkali Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 7
- 239000010408 film Substances 0.000 claims description 123
- 238000005406 washing Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 33
- 238000005238 degreasing Methods 0.000 claims description 30
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 28
- 238000007761 roller coating Methods 0.000 claims description 27
- 239000002033 PVDF binder Substances 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 24
- 239000002994 raw material Substances 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000002161 passivation Methods 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 230000003796 beauty Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000009849 deactivation Effects 0.000 claims description 6
- 238000005202 decontamination Methods 0.000 claims description 6
- 230000003588 decontaminative effect Effects 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 230000006798 recombination Effects 0.000 claims description 6
- 238000005215 recombination Methods 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 239000002585 base Substances 0.000 claims description 5
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 239000002253 acid Substances 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- -1 glycol ester Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
-
- 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
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- 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
-
- 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
- B32B38/162—Cleaning
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of production technologies of two-sided tectorial color steel plate for building, include the following steps: to heat positive and negative two surface of substrate coiled strip by baking oven, after baking oven, adhesive layer can be formed on positive and negative two surface of substrate coiled strip, treated substrate coiled strip is overlayed on front side films by upper thermally conductive overlay film steel rider to the front of substrate, PET film is overlayed on to the reverse side of substrate by lower overlay film rubber roller, band oil path heating system makes steel roller faces temperature reach 90-100 DEG C inside upper thermally conductive overlay film steel rider, after the fitting of two-sided overlay film, cold water spraying cooling is carried out immediately, it is extracted after spray by squeeze roll, hot-air blowing dries front and back sides water spot, the metacoxal plate temperature that cools down is at 25-40 degrees Celsius, so as to form the color film layer on the outside of substrate, room temperature pastes one layer of PE protective film in color film layer.The ageing-resistant of steel plate proposed by the invention, humidity resistance, acid resistance, alkali resistance and temperature difference resistance significantly improve.
Description
Technical field
The present invention relates to steel plate preparation technical fields, more particularly to a kind of production work of two-sided tectorial color steel plate for building
Skill.
Background technique
Existing market applies to mainly using coating in the two-sided composite material built, in decoration industry, but coating is true
There is following defect, first is that product two sides all needs to coat protective film and could use, and roller coating process is to environment and the mankind
All cause very serious benzene pollution；Second is that certain coating have the minimal residue being difficult to avoid that, human health is influenced.Third is that production
Complex process, energy waste is serious in production process.Therefore two-sided film coating technique is mainly researched and developed in the market to meet building, decoration
The growing demand of industry, but two-sided coating technique falls behind currently on the market.
Domestic two-sided precoated steel sheet technology is still in infancy, although more than 10 Nian Qianyi of one side film steel plate are in
It has obtained generally using on electricity, ornament materials.But building, on decoration with the production application of two-sided precoated steel sheet still in recent years
Start rise, domestic such two-sided overlay film production technology falls behind relatively, unstable product quality.For this purpose, we have proposed
A kind of production technology of two-sided tectorial color steel plate for building.
Summary of the invention
The invention proposes a kind of production technologies of two-sided tectorial color steel plate for building, to solve to mention in above-mentioned background technique
Out the problem of.
The invention proposes a kind of production technologies of two-sided tectorial color steel plate for building, include the following steps:
S1: selection substrate coiled strip, and the weight of substrate coiled strip is greater than 300kg, and preliminary cleaning is carried out to substrate coiled strip,
Then uniform roller coating weatherability environment friendly transparent glue is synchronized in the front and back sides of substrate coiled strip, in roller coating process, production linear speed exists
30-40 ms/min, baking oven is entered after complete roller coating；
S2: and then heat on positive and negative two surface of substrate coiled strip by baking oven, and heating temperature is 204-226
DEG C, after baking oven, adhesive layer can be formed on positive and negative two surface of substrate coiled strip, and adhesive layer with a thickness of 4-8 μ
m；
Front side films S3: treated in S2 substrate coiled strip is overlayed on to the front of substrate, warp by upper thermally conductive overlay film steel rider
The reverse side that PET film is overlayed on substrate by overlay film rubber roller is crossed down, and upper thermally conductive overlay film steel rider and lower overlay film rubber roller need to work asynchronously, and above lead
Pressure 5-8kg under hot steel rider, upper thermally conductive overlay film steel rider inside band oil path heating system make steel roller faces temperature reach 90-100 DEG C,
The smooth beauty of film layer after overlay film on surface of steel plate；
S4: by the substrate in S3 after the fitting of two-sided overlay film, cold water spraying cooling is carried out immediately, by squeeze roll after spray
Extract, hot-air blowing dries front and back sides water spot, the metacoxal plate temperature that cools down is at 25-40 degrees Celsius, so as to form on the outside of substrate
Color film layer；
S5: after the temperature of color film layer is restored to 25-40 degrees Celsius, room temperature pastes one layer of PE protective film in color film layer,
And PE protective film is with a thickness of 0.04-10 μm, after the completion to get arriving two-sided tectorial color steel plate.
Preferably, the substrate is before applying weatherability environment friendly transparent glue, needs by pre-treating technology, i.e., degreasing,
Cleaning and passivation.
Preferably, the degreasing need to pass through pre- degreasing, main degreasing, and free alkali point is controlled in 8-16pt, skimming temp control
For system at 45-60 DEG C, two degreasing baths have a pair of of brush roll round brush surface of steel plate to carry out decontamination.
Preferably, the cleaning need to be by three washings, wherein first of washing and second washing are softened water, water
Wash 45-55 DEG C of temperature, the washing of third road is washed for pure water, 45-55 DEG C of water temperature, and in the process of cleaning, PH need to be kept in 6-8, pure
Hot-air blowing is carried out again after twice squeeze roller is extracted after washing.
Preferably, the passivation need to uniformly smear passivating solution in substrate surface, and passivating solution is chromium-free deactivation, by applying
Roller is covered to the two-sided roller coating of plate face, with a thickness of 3 μm, passivating solution formation film layer is played by baking and curing and obstructs oxygen between steel plate
Change and promote surface and pay and put forth effort effect, baking and curing temperature is 100-120 DEG C.
Preferably, the front side films in S3 are specially PET film, pvdf membrane either PVDF+ modified PE laminated film.
Preferably, the primary raw material of the PE film is polyvinyl resin, and the primary raw material of PET film is poly- terephthaldehyde
Sour glycol ester resin, PVDF thin film primary raw material are polyvinylidene fluoride resin, and PVDF+ modified PE laminated film is metal film coated
The hot recombination process of plate, in the case where contacting hot conditions, melting generates bonding with metal substrate on modified PE layer surface layer, and process is physics change
Change, no other substances generate, and using and discharging instead of solvent in traditional adhesive, process is more environmentally-friendly.
The production technology of one kind two-sided tectorial color steel plate for building proposed by the present invention, beneficial effect are: this is for building
The production technology of two-sided tectorial color steel plate belongs to environment friendly and pollution-free production compared to paint spraying, roller coating industry, and structure is simple, production
Mode only need to be using a baking oven heating production, and spraying, roller coating industry need two or more baking oven Baking outs to compare the energy
50% is saved, and the ageing-resistant of steel plate, humidity resistance, acid resistance, alkali resistance and temperature difference resistance significantly improve, met existing
In the demand of development.
Specific embodiment
It is next combined with specific embodiments below that the present invention will be further described.
Embodiment 1
The invention proposes a kind of production technologies of two-sided tectorial color steel plate for building, include the following steps:
S1: selection substrate coiled strip, and the weight of substrate coiled strip is greater than 300kg, and preliminary cleaning is carried out to substrate coiled strip,
Then uniform roller coating weatherability environment friendly transparent glue is synchronized in the front and back sides of substrate coiled strip, in roller coating process, production linear speed exists
30 ms/min, baking oven is entered after complete roller coating；
S2: and then heat on positive and negative two surface of substrate coiled strip by baking oven, and heating temperature is 204 DEG C,
After baking oven, adhesive layer can be formed on positive and negative two surface of substrate coiled strip, and adhesive layer with a thickness of 4 μm；
Front side films S3: treated in S2 substrate coiled strip is overlayed on to the front of substrate, warp by upper thermally conductive overlay film steel rider
The reverse side that PET film is overlayed on substrate by overlay film rubber roller is crossed down, and upper thermally conductive overlay film steel rider and lower overlay film rubber roller need to work asynchronously, and above lead
Pressure 5kg under hot steel rider, upper thermally conductive overlay film steel rider inside band oil path heating system make steel roller faces temperature reach 90 DEG C, after overlay film
The smooth beauty of film layer on surface of steel plate；
S4: by the substrate in S3 after the fitting of two-sided overlay film, cold water spraying cooling is carried out immediately, by squeeze roll after spray
Extract, hot-air blowing dries front and back sides water spot, cool down metacoxal plate temperature at 25 degrees Celsius, so as to form the coloured silk on the outside of substrate
Film layer；
S5: after the temperature of color film layer is restored to 25 degrees Celsius, room temperature pastes one layer of PE protective film, and PE in color film layer
Protective film with a thickness of 0.04 μm, after the completion to get arrive two-sided tectorial color steel plate.
The substrate needs before applying weatherability environment friendly transparent glue by pre-treating technology, i.e., degreasing, cleaning and
Passivation, the degreasing need to pass through pre- degreasing, main degreasing, and the control of free alkali point is controlled in 8pt, skimming temp at 45 DEG C, two
Degreasing bath has a pair of of brush roll round brush surface of steel plate to carry out decontamination, and the cleaning need to be by three washings, wherein first
Washing and second washing are softened water, and 45 DEG C of washing temperature, the washing of third road is washed for pure water, 45 DEG C of water temperature, and cleaning
Cheng Zhong need to keep PH 6, and pure water carries out hot-air blowing after washing again after twice squeeze roller is extracted, and the passivation need to be in base
Plate surface uniformly smears passivating solution, and passivating solution is chromium-free deactivation, by applicator roll to the two-sided roller coating of plate face, with a thickness of 3 μm, and warp
It crosses baking and curing and passivating solution formation film layer is played the barrier between steel plate and aoxidizes and promoted surface and pay and put forth effort effect, baking and curing
Temperature is 100 DEG C.
Front side films in S3 are specially PET film, pvdf membrane either PVDF+ modified PE laminated film, the PE film
Primary raw material be polyvinyl resin, the primary raw material of PET film is pet resin, PVDF thin film master
Wanting raw material is polyvinylidene fluoride resin, and PVDF+ modified PE laminated film is the hot recombination process of metal film coated plate, modified PE layer surface layer
In the case where contacting hot conditions, melting generates bonding with metal substrate, and process is physical change, and no other substances generate, instead of
Solvent using and discharges in traditional adhesive, and process is more environmentally-friendly.
Embodiment 2
The invention proposes a kind of production technologies of two-sided tectorial color steel plate for building, include the following steps:
S1: selection substrate coiled strip, and the weight of substrate coiled strip is greater than 300kg, and preliminary cleaning is carried out to substrate coiled strip,
Then uniform roller coating weatherability environment friendly transparent glue is synchronized in the front and back sides of substrate coiled strip, in roller coating process, production linear speed exists
33 ms/min, baking oven is entered after complete roller coating；
S2: and then heat on positive and negative two surface of substrate coiled strip by baking oven, and heating temperature is 210 DEG C,
After baking oven, adhesive layer can be formed on positive and negative two surface of substrate coiled strip, and adhesive layer with a thickness of 5 μm；
Front side films S3: treated in S2 substrate coiled strip is overlayed on to the front of substrate, warp by upper thermally conductive overlay film steel rider
The reverse side that PET film is overlayed on substrate by overlay film rubber roller is crossed down, and upper thermally conductive overlay film steel rider and lower overlay film rubber roller need to work asynchronously, and above lead
Pressure 6kg under hot steel rider, upper thermally conductive overlay film steel rider inside band oil path heating system make steel roller faces temperature reach 94 DEG C, after overlay film
The smooth beauty of film layer on surface of steel plate；
S4: by the substrate in S3 after the fitting of two-sided overlay film, cold water spraying cooling is carried out immediately, by squeeze roll after spray
Extract, hot-air blowing dries front and back sides water spot, cool down metacoxal plate temperature at 30 degrees Celsius, so as to form the coloured silk on the outside of substrate
Film layer；
S5: after the temperature of color film layer is restored to 30 degrees Celsius, room temperature pastes one layer of PE protective film, and PE in color film layer
Protective film with a thickness of 3 μm, after the completion to get arrive two-sided tectorial color steel plate.
The substrate needs before applying weatherability environment friendly transparent glue by pre-treating technology, i.e., degreasing, cleaning and
Passivation, the degreasing need to pass through pre- degreasing, main degreasing, and the control of free alkali point is controlled in 12pt, skimming temp at 50 DEG C, two
Degreasing bath has a pair of of brush roll round brush surface of steel plate to carry out decontamination, and the cleaning need to be by three washings, wherein first
Washing and second washing are softened water, and 48 DEG C of washing temperature, the washing of third road is washed for pure water, 48 DEG C of water temperature, and cleaning
Cheng Zhong need to keep PH 6, and pure water carries out hot-air blowing after washing again after twice squeeze roller is extracted, and the passivation need to be in base
Plate surface uniformly smears passivating solution, and passivating solution is chromium-free deactivation, by applicator roll to the two-sided roller coating of plate face, with a thickness of 3 μm, and warp
It crosses baking and curing and passivating solution formation film layer is played the barrier between steel plate and aoxidizes and promoted surface and pay and put forth effort effect, baking and curing
Temperature is 107 DEG C.
Front side films in S3 are specially PET film, pvdf membrane either PVDF+ modified PE laminated film, the PE film
Primary raw material be polyvinyl resin, the primary raw material of PET film is pet resin, PVDF thin film master
Wanting raw material is polyvinylidene fluoride resin, and PVDF+ modified PE laminated film is the hot recombination process of metal film coated plate, modified PE layer surface layer
In the case where contacting hot conditions, melting generates bonding with metal substrate, and process is physical change, and no other substances generate, instead of
Solvent using and discharges in traditional adhesive, and process is more environmentally-friendly.
Embodiment 3
The invention proposes a kind of production technologies of two-sided tectorial color steel plate for building, include the following steps:
S1: selection substrate coiled strip, and the weight of substrate coiled strip is greater than 300kg, and preliminary cleaning is carried out to substrate coiled strip,
Then uniform roller coating weatherability environment friendly transparent glue is synchronized in the front and back sides of substrate coiled strip, in roller coating process, production linear speed exists
38 ms/min, baking oven is entered after complete roller coating；
S2: and then heat on positive and negative two surface of substrate coiled strip by baking oven, and heating temperature is 220 DEG C,
After baking oven, adhesive layer can be formed on positive and negative two surface of substrate coiled strip, and adhesive layer with a thickness of 7 μm；
Front side films S3: treated in S2 substrate coiled strip is overlayed on to the front of substrate, warp by upper thermally conductive overlay film steel rider
The reverse side that PET film is overlayed on substrate by overlay film rubber roller is crossed down, and upper thermally conductive overlay film steel rider and lower overlay film rubber roller need to work asynchronously, and above lead
Pressure 7kg under hot steel rider, upper thermally conductive overlay film steel rider inside band oil path heating system make steel roller faces temperature reach 97 DEG C, after overlay film
The smooth beauty of film layer on surface of steel plate；
S4: by the substrate in S3 after the fitting of two-sided overlay film, cold water spraying cooling is carried out immediately, by squeeze roll after spray
Extract, hot-air blowing dries front and back sides water spot, cool down metacoxal plate temperature at 35 degrees Celsius, so as to form the coloured silk on the outside of substrate
Film layer；
S5: after the temperature of color film layer is restored to 35 degrees Celsius, room temperature pastes one layer of PE protective film, and PE in color film layer
Protective film with a thickness of 7 μm, after the completion to get arrive two-sided tectorial color steel plate.
The substrate needs before applying weatherability environment friendly transparent glue by pre-treating technology, i.e., degreasing, cleaning and
Passivation, the degreasing need to pass through pre- degreasing, main degreasing, and the control of free alkali point is controlled in 14pt, skimming temp at 55 DEG C, two
Degreasing bath has a pair of of brush roll round brush surface of steel plate to carry out decontamination, and the cleaning need to be by three washings, wherein first
Washing and second washing are softened water, and 52 DEG C of washing temperature, the washing of third road is washed for pure water, 52 DEG C of water temperature, and cleaning
Cheng Zhong need to keep PH 7, and pure water carries out hot-air blowing after washing again after twice squeeze roller is extracted, and the passivation need to be in base
Plate surface uniformly smears passivating solution, and passivating solution is chromium-free deactivation, by applicator roll to the two-sided roller coating of plate face, with a thickness of 3 μm, and warp
It crosses baking and curing and passivating solution formation film layer is played the barrier between steel plate and aoxidizes and promoted surface and pay and put forth effort effect, baking and curing
Temperature is 114 DEG C.
Front side films in S3 are specially PET film, pvdf membrane either PVDF+ modified PE laminated film, the PE film
Primary raw material be polyvinyl resin, the primary raw material of PET film is pet resin, PVDF thin film master
Wanting raw material is polyvinylidene fluoride resin, and PVDF+ modified PE laminated film is the hot recombination process of metal film coated plate, modified PE layer surface layer
In the case where contacting hot conditions, melting generates bonding with metal substrate, and process is physical change, and no other substances generate, instead of
Solvent using and discharges in traditional adhesive, and process is more environmentally-friendly.
Embodiment 4
The invention proposes a kind of production technologies of two-sided tectorial color steel plate for building, include the following steps:
S1: selection substrate coiled strip, and the weight of substrate coiled strip is greater than 300kg, and preliminary cleaning is carried out to substrate coiled strip,
Then uniform roller coating weatherability environment friendly transparent glue is synchronized in the front and back sides of substrate coiled strip, in roller coating process, production linear speed exists
40 ms/min, baking oven is entered after complete roller coating；
S2: and then heat on positive and negative two surface of substrate coiled strip by baking oven, and heating temperature is 226 DEG C,
After baking oven, adhesive layer can be formed on positive and negative two surface of substrate coiled strip, and adhesive layer with a thickness of 8 μm；
Front side films S3: treated in S2 substrate coiled strip is overlayed on to the front of substrate, warp by upper thermally conductive overlay film steel rider
The reverse side that PET film is overlayed on substrate by overlay film rubber roller is crossed down, and upper thermally conductive overlay film steel rider and lower overlay film rubber roller need to work asynchronously, and above lead
Pressure 8kg under hot steel rider, upper thermally conductive overlay film steel rider inside band oil path heating system make steel roller faces temperature reach 100 DEG C, overlay film
The smooth beauty of film layer afterwards on surface of steel plate；
S4: by the substrate in S3 after the fitting of two-sided overlay film, cold water spraying cooling is carried out immediately, by squeeze roll after spray
Extract, hot-air blowing dries front and back sides water spot, cool down metacoxal plate temperature at 40 degrees Celsius, so as to form the coloured silk on the outside of substrate
Film layer；
S5: after the temperature of color film layer is restored to 40 degrees Celsius, room temperature pastes one layer of PE protective film, and PE in color film layer
Protective film with a thickness of 10 μm, after the completion to get arrive two-sided tectorial color steel plate.
The substrate needs before applying weatherability environment friendly transparent glue by pre-treating technology, i.e., degreasing, cleaning and
Passivation, the degreasing need to pass through pre- degreasing, main degreasing, and the control of free alkali point is controlled in 16pt, skimming temp at 60 DEG C, two
Degreasing bath has a pair of of brush roll round brush surface of steel plate to carry out decontamination, and the cleaning need to be by three washings, wherein first
Washing and second washing are softened water, and 55 DEG C of washing temperature, the washing of third road is washed for pure water, 55 DEG C of water temperature, and cleaning
Cheng Zhong need to keep PH 8, and pure water carries out hot-air blowing after washing again after twice squeeze roller is extracted, and the passivation need to be in base
Plate surface uniformly smears passivating solution, and passivating solution is chromium-free deactivation, by applicator roll to the two-sided roller coating of plate face, with a thickness of 3 μm, and warp
It crosses baking and curing and passivating solution formation film layer is played the barrier between steel plate and aoxidizes and promoted surface and pay and put forth effort effect, baking and curing
Temperature is 120 DEG C.
Front side films in S3 are specially PET film, pvdf membrane either PVDF+ modified PE laminated film, the PE film
Primary raw material be polyvinyl resin, the primary raw material of PET film is pet resin, PVDF thin film master
Wanting raw material is polyvinylidene fluoride resin, and PVDF+ modified PE laminated film is the hot recombination process of metal film coated plate, modified PE layer surface layer
In the case where contacting hot conditions, melting generates bonding with metal substrate, and process is physical change, and no other substances generate, instead of
Solvent using and discharges in traditional adhesive, and process is more environmentally-friendly.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of production technology of two-sided tectorial color steel plate for building, which comprises the following steps:
S1: selection substrate coiled strip, and the weight of substrate coiled strip is greater than 300kg, and preliminary cleaning is carried out to substrate coiled strip, then
Uniform roller coating weatherability environment friendly transparent glue is synchronized in the front and back sides of substrate coiled strip, in roller coating process, produces linear speed in 30-40
M/min, baking oven is entered after complete roller coating；
S2: and then heat on positive and negative two surface of substrate coiled strip by baking oven, and heating temperature is 204-226 DEG C,
After baking oven, adhesive layer can be formed on positive and negative two surface of substrate coiled strip, and adhesive layer with a thickness of 4-8 μm；
S3: treated in S2 substrate coiled strip is overlayed on to the front of substrate by upper thermally conductive overlay film steel rider, under for front side films
PET film is overlayed on the reverse side of substrate by overlay film rubber roller, and upper thermally conductive overlay film steel rider and lower overlay film rubber roller need to work asynchronously, upper thermally conductive steel
Pressure 5-8kg under roller, upper thermally conductive overlay film steel rider inside band oil path heating system make steel roller faces temperature reach 90-100 DEG C, overlay film
The smooth beauty of film layer afterwards on surface of steel plate；
S4: by the substrate in S3 after the fitting of two-sided overlay film, cold water spraying cooling is carried out immediately, is squeezed after spray by squeeze roll
Dry, hot-air blowing dries front and back sides water spot, and the metacoxal plate temperature that cools down is at 25-40 degrees Celsius, on the outside of substrate
Color film layer；
S5: after the temperature of color film layer is restored to 25-40 degrees Celsius, room temperature pastes one layer of PE protective film, and PE in color film layer
Protective film with a thickness of 0.04-10 μm, after the completion to get arrive two-sided tectorial color steel plate.
2. the production technology of one kind two-sided tectorial color steel plate for building according to claim 1, it is characterised in that: the base
Plate needs before applying weatherability environment friendly transparent glue by pre-treating technology, i.e. degreasing, cleaning and passivation.
3. the production technology of one kind two-sided tectorial color steel plate for building according to claim 2, it is characterised in that: described
Degreasing need to pass through pre- degreasing, main degreasing, and the control of free alkali point is in 8-16pt, and skimming temp control is at 45-60 DEG C, two degreasing baths
There is a pair of of brush roll round brush surface of steel plate to carry out decontamination.
4. the production technology of one kind two-sided tectorial color steel plate for building according to claim 2, it is characterised in that: described
Cleaning need to by three washing, wherein first washing and second washing be softened water, 45-55 DEG C of washing temperature, third road
Washing is washed for pure water, 45-55 DEG C of water temperature, and in the process of cleaning, PH need to be kept in 6-8, pure water wash after by twice squeeze roller
Hot-air blowing is carried out after extracting again.
5. the production technology of one kind two-sided tectorial color steel plate for building according to claim 2, it is characterised in that: described
Passivation need to uniformly smear passivating solution in substrate surface, and passivating solution is chromium-free deactivation, thick by applicator roll to the two-sided roller coating of plate face
Degree is 3 μm, by baking and curing plays the barrier between steel plate and aoxidizes and promoted surface and pay passivating solution formation film layer and puts forth effort to imitate
Fruit, baking and curing temperature are 100-120 DEG C.
6. the production technology of one kind two-sided tectorial color steel plate for building according to claim 1, it is characterised in that: in S3
Front side films be specially PET film, pvdf membrane either PVDF+ modified PE laminated film.
7. the production technology of one kind two-sided tectorial color steel plate for building according to claim 6, it is characterised in that: described
The primary raw material of PE film is polyvinyl resin, and the primary raw material of PET film is pet resin, and PVDF is thin
Film primary raw material is polyvinylidene fluoride resin, and PVDF+ modified PE laminated film is the hot recombination process of metal film coated plate, modified PE layer
Surface layer is in the case where contacting hot conditions, and melting generates bonding with metal substrate, and process is physical change, and no other substances generate, and replaces
Solvent using and discharges in generation traditional adhesive, and process is more environmentally-friendly.
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| CN201810459844.0A CN110481135A (en) | 2018-05-15 | 2018-05-15 | A kind of production technology of two-sided tectorial color steel plate for building |
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| CN201810459844.0A CN110481135A (en) | 2018-05-15 | 2018-05-15 | A kind of production technology of two-sided tectorial color steel plate for building |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823669A (en) * | 2020-06-03 | 2020-10-27 | 安徽墙煌彩铝科技有限公司 | Radiation refrigeration metal plate and production process |
| CN114211833A (en) * | 2021-12-20 | 2022-03-22 | 合肥河钢新材料科技有限公司 | Pre-coated color plate with three-dimensional texture visual effect and production equipment thereof |
| CN114434995A (en) * | 2022-01-25 | 2022-05-06 | 山东沃丰新材料有限公司 | A color steel plate printing device and process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106585050A (en) * | 2016-12-13 | 2017-04-26 | 天津市宝坻区靓彩彩钢厂 | Colored steel band double-face coating device |
| CN107283961A (en) * | 2017-07-10 | 2017-10-24 | 山东京宏智能科技股份有限公司 | A kind of tectorial color steel plate and its manufacture method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585050A (en) * | 2016-12-13 | 2017-04-26 | 天津市宝坻区靓彩彩钢厂 | Colored steel band double-face coating device |
| CN107283961A (en) * | 2017-07-10 | 2017-10-24 | 山东京宏智能科技股份有限公司 | A kind of tectorial color steel plate and its manufacture method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823669A (en) * | 2020-06-03 | 2020-10-27 | 安徽墙煌彩铝科技有限公司 | Radiation refrigeration metal plate and production process |
| CN114211833A (en) * | 2021-12-20 | 2022-03-22 | 合肥河钢新材料科技有限公司 | Pre-coated color plate with three-dimensional texture visual effect and production equipment thereof |
| CN114211833B (en) * | 2021-12-20 | 2023-07-28 | 合肥河钢新材料科技有限公司 | Precoated color plate with stereoscopic texture visual effect and production equipment thereof |
| CN114434995A (en) * | 2022-01-25 | 2022-05-06 | 山东沃丰新材料有限公司 | A color steel plate printing device and process |
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