CN106216204A - A kind of mono coat Coil Coating Products made for steel drum and production method thereof - Google Patents
A kind of mono coat Coil Coating Products made for steel drum and production method thereof Download PDFInfo
- Publication number
- CN106216204A CN106216204A CN201610891673.XA CN201610891673A CN106216204A CN 106216204 A CN106216204 A CN 106216204A CN 201610891673 A CN201610891673 A CN 201610891673A CN 106216204 A CN106216204 A CN 106216204A
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- CN
- China
- Prior art keywords
- steel drum
- production method
- coil coating
- coating products
- products made
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B05D3/10—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
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
-
- 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
- B05D7/51—One specific pretreatment, e.g. phosphatation, chromatation, in combination with one specific coating
-
- 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
- B05D7/52—Two layers
- B05D7/53—Base coat plus clear coat type
- B05D7/534—Base coat plus clear coat type the first layer being let to dry at least partially before applying the second 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
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
-
- 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
- B05D2501/00—Varnish or unspecified clear coat
-
- 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
- B05D2508/00—Polyesters
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- 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)
Abstract
The invention provides a kind of mono coat Coil Coating Products made for steel drum and production method thereof, compared with prior art, the containers such as Coil Coating Products production steel drum prepared by the present invention, can disposably machine-shaping, it is not required to the technique such as phosphatization, spraying, can thoroughly solve the VOC waste gas discharge of tubbing factory, the discharge of phosphorus-containing wastewater waste residue.It addition, use the containers such as the steel drum of the Product processing making of present invention production, outward appearance is fine and smooth, color is beautiful；Staving intensity is high, Stability Analysis of Structures, can meet the requirement of the standards such as vessel safety；And, the steel drum that the Coil Coating Products utilizing the present invention to produce makes, industrial mass constant product quality, the quality consistency between batch is good.
Description
Technical field
The invention belongs to Material Field, be specifically related to a kind of mono coat Coil Coating Products made for steel drum and producer thereof
Method.
Background technology
Traditional steel drum processing technology is " punch welding cleans phosphatization spraying ", i.e. uses cold rolling or galvanized sheet
After punch process molding, spray paint again through phosphatization and form.This technique not only labor intensity is big, production efficiency is low, and makes environment
Become serious pollution.According to measuring and calculating, every ten thousand square metres of steel plates of this technique produce the VOC gas of 2.9 ten thousand cubes, and 700 tons of concentration are
The phosphoric acid waste water of 0.29g/L.According to measuring and calculating, only Taicang, Jiangsu, annual oil drum steel drum yield about 6,000,000, add up to and produce
Raw VOC total amount about 50,000,000 cubes, environment, more than 1,000,000 tons, is caused serious pollution by phosphorus-containing wastewater.
Therefore, traditional steel drum processing technology is incompatible with environmental friendliness, is that national policy regulation needs to eliminate
Heavily contaminated technique.
Coil Coating Products, as a kind of environmental protection, new material energy-conservation, easily processed into type, is widely used in building, household electrical appliances, dress
The fields such as decorations decoration.Steel drum manufacturing industry directly processes tubbing, one-shot forming according to Coil Coating Products, is not required to the technique such as phosphatization, spraying,
Can thoroughly solve the VOC waste gas discharge of tubbing factory, the discharge of phosphorus-containing wastewater waste residue, contribute share for environmental friendliness.
But due to the particularity of steel drum its processing mode of manufacturing industry, to staving color appearance, the special need of protective layer performance
Asking, existing Coil Coating Products can not meet steel drum and make.
Summary of the invention
It is an object of the invention to provide a kind of mono coat Coil Coating Products made for steel drum and production method thereof, pass through
Cleaning, be passivated, coat paint and varnish, using the mode of continuous roller coat to produce one, to have excellent machinability, high glaze bright
The mono coat Coil Coating Products of beautiful coating result, meets the demand of steel drum manufacturing industry monochrome outward appearance steel drum.
The production method of a kind of mono coat Coil Coating Products made for steel drum that the present invention provides, comprises the following steps:
1) cleaning base plate:
Substrate is placed in temperature and is 60-70 DEG C, mass concentration be 1.0-1.5% alkali liquor in a defat 3-8 second；Then
Be placed in temperature and be 50-70 DEG C, mass concentration be 0.5-1.5% alkali liquor in the secondary degreasing 3-8 second, then be placed in potcher rinsing
3 times, rinse liquid temperature is 50-70 DEG C for the first time, and rinse liquid temperature is 50-70 DEG C for the second time, and rinse liquid temperature is 40-for the third time
60 DEG C, 3 rinsing time 5-18 seconds altogether, complete to clean；
2) passivation: the substrate after cleaning is passivated through the applicator roll with passivating solution, then passivation layer solidification；
3) coating colored paint: the substrate front side coating colored paint after passivation layer solidification, then solidifies；
4) varnish coating: after colored paint solidification, then at substrate front side varnish coating, then solidify.
Step 1) described substrate is cold-rolled steel sheet or galvanized steel plain sheet；
Step 2) described in passivating solution be Chrome-free or have chromium passivating liquid；Preferably, the passivating solution trade mark be Henkel 1455SF or
Borndite1402W；
Further, step 2) in passivation layer coated weight control for Ti amount 4-12mg/ or Cr amount 25-40mg/m2；Passivation
Layer solidification temperature is 70-100 DEG C；
Step 3) described in colored paint be Polyester Paint；Colored paint coating layer thickness is 4-8 μm；Colored paint coating curing temperatures 216-224
℃；
Step 4) described in polyester varnish；Varnish coat thickness is 3-6 μm；Varnish coat solidification temperature 216-232 DEG C；
Further, step 4) after, cool down, batch.
A kind of mono coat Coil Coating Products made for steel drum, uses said method to produce and obtains.
In the present invention, carry out 2 defats, to remove the dirts such as the ROLLING OIL of substrate surface, antirust oil, impurity；Through 3 times
Clean, the dirts such as the alkali liquor of substrate surface thorough removal of contamination can be removed；After 5 sections of defats, cleaning treatment, substrate table
Face does not has the residuals such as greasy dirt, impurity, alkali liquor to affect subsequent technique.
Compared with prior art, the container such as Coil Coating Products production steel drum prepared by the present invention, can disposably be processed into
Type, is not required to the technique such as phosphatization, spraying, can thoroughly solve the VOC waste gas discharge of tubbing factory, the discharge of phosphorus-containing wastewater waste residue.It addition,
The containers such as the steel drum that the Product processing using the present invention to produce makes, outward appearance is fine and smooth, color is beautiful；Staving intensity is high, structure is steady
Fixed, the requirement of the standards such as vessel safety can be met；And, the steel drum that the Coil Coating Products utilizing the present invention to produce makes, industrialization is criticized
Amount constant product quality, the quality consistency between batch is good.
Accompanying drawing explanation
Fig. 1 is production technology schematic flow sheet；
1, base material；2, passivation layer；3 front face color enamelled coatings；4, front varnish；
Fig. 2 is by being produced Coil Coating Products structural representation.
Below against accompanying drawing, by the description to embodiment, the detailed description of the invention of the present invention is made further details of
Explanation, it is therefore an objective to help those skilled in the art that inventive concept, the technical scheme of the present invention are had more complete, accurate and goed deep into
Understanding, and contribute to its implement.
Embodiment 1
The production method of a kind of mono coat Coil Coating Products made for steel drum, comprises the following steps:
Such as Fig. 1；
Production method particularly as follows:
1) cleaning base plate:
Substrate being placed in temperature and is 60-70 DEG C, mass concentration is that (trade mark is Henkel Parco for the alkali liquor of 1.0-1.5%
Cleaner 338L) in a defat 3-8 second；Being subsequently placed in temperature and be 50-70 DEG C, mass concentration is the alkali liquor of 0.5-1.5%
The secondary degreasing 3-8 second in (trade mark is Henkel Parco cleaner 338L), with remove the ROLLING OIL of substrate surface, antirust oil,
The dirts such as impurity；Being placed in potcher rinsing 3 times again, rinse liquid temperature is 50-70 DEG C for the first time, and rinse liquid temperature is for the second time
50-70 DEG C, rinse liquid temperature is 40-60 DEG C for the third time, through the rinsing of three common 5-18 seconds, can remove the alkali of substrate surface
The dirts such as liquid thoroughly removal of contamination；After 5 sections of defats, cleaning treatment, substrate surface does not has greasy dirt, impurity, alkali liquor etc. residual
Stay and affect subsequent technique, complete to clean；
2) passivation: the substrate after cleaning is passivated through the applicator roll with passivating solution, and passivation layer solidification temperature is
70-100 DEG C, passivation layer coated weight Ti amount 4-12mg/ or Cr measures 25-40mg/m2；
3) coating colored paint: the substrate front side coating Polyester Paint after passivation, colored paint coating layer thickness is 4-8 μm；Colored paint coating exists
Solidify at 216-224 DEG C；
4) varnish coating: after colored paint solidification, then coat polyester varnish in substrate front side；Varnish coat thickness is 3-6 μm；?
Solidify at 216-232 DEG C；Cooling；
5) finally cool down, batch.
Step 1) cleaning such as table 1
Table 1 cleaning
| Operation | Concentration of lye (%) | Tank liquor temperature (DEG C) |
| Defat | 1.0-1.5 | 60-70 |
| Defat | 0.5-1.5 | 50-70 |
| Rinsing | / | 50-70 |
| Rinsing | / | 50-70 |
| Rinsing | / | 40-60 |
Step 2) passivation technology such as table 2
Table 2 passivation technology
Step 3) and step 4) coating process is such as table 3
Table 3 coating process
Use Coil Coating Products structural representation such as Fig. 2 that said method produces, technical performance such as table 4 below.
Table 4 Coil Coating Products partial properties
| Sequence number | Project | Technology requirement |
| 1 | Total coating thickness (μm) | 7-14 |
| 2 | Coating aberration | △E≤2.0 |
| 3 | Gloss | ≥70 |
| 4 | Impact | ≥9J |
| 5 | Pencil hardness | ≥F |
| 6 | T is curved | ≤2T |
Above in association with accompanying drawing, the present invention is exemplarily described.Obviously, the present invention implements not by above-mentioned side
The restriction of formula.As long as the improvement of the various unsubstantialities that the method design that have employed the present invention is carried out with technical scheme；Or not
Improved, above-mentioned design and the technical scheme of the present invention are directly applied to other occasion, all in protection scope of the present invention
Within.
Claims (9)
1. the production method of the mono coat Coil Coating Products made for steel drum, it is characterised in that described production method bag
Include following steps:
1) cleaning base plate:
Substrate is placed in temperature and is 60-70 DEG C, mass concentration be 1.0-1.5% alkali liquor in a defat 3-8 second；It is subsequently placed in
Temperature is 50-70 DEG C, mass concentration be 0.5-1.5% alkali liquor in the secondary degreasing 3-8 second, then be placed in potcher rinsing 3 times,
Rinse liquid temperature is 50-70 DEG C for the first time, and rinse liquid temperature is 50-70 DEG C for the second time, and rinse liquid temperature is 40-60 for the third time
DEG C, 3 rinsing time 5-18 seconds altogether, complete to clean；
2) passivation: the substrate after cleaning is passivated through the applicator roll with passivating solution, then passivation layer solidification；
3) coating colored paint: the substrate front side coating colored paint after passivation, then solidifies；
4) varnish coating: after colored paint solidification, then at substrate front side varnish coating, then solidify.
The production method of the mono coat Coil Coating Products made for steel drum the most according to claim 1, it is characterised in that step
Rapid 1) described substrate is cold-rolled steel sheet or galvanized steel plain sheet.
The production method of the mono coat Coil Coating Products made for steel drum the most according to claim 1 and 2, its feature exists
In, step 2) described in passivating solution be Chrome-free or have chromium passivating liquid.
4., according to the production method of the mono coat Coil Coating Products made for steel drum described in claim 1 or 3, its feature exists
In, rapid 2) in passivation layer coated weight control for Ti amount 4-12mg/ or Cr amount 25-40mg/m2；Passivation layer solidification temperature is 70-
100℃。
The production method of the mono coat Coil Coating Products made for steel drum the most according to claim 1, it is characterised in that step
Rapid 3) colored paint described in is Polyester Paint, and colored paint coating layer thickness is 4-8 μm.
The production method of the mono coat Coil Coating Products made for steel drum the most according to claim 1 or 5, its feature exists
In, step 3) in colored paint coating curing temperatures 216-224 DEG C.
The production method of the mono coat Coil Coating Products made for steel drum the most according to claim 1, it is characterised in that step
Rapid 4) polyester varnish described in；Varnish coat thickness is 3-6 μm.
8., according to the production method of the mono coat Coil Coating Products made for steel drum described in claim 1 or 7, its feature exists
In, step 4) in varnish coat solidification temperature 216-232 DEG C.
9. the mono coat Coil Coating Products made for steel drum, it is characterised in that use described in any one of claim 1-8
Method produces and obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891673.XA CN106216204A (en) | 2016-10-12 | 2016-10-12 | A kind of mono coat Coil Coating Products made for steel drum and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891673.XA CN106216204A (en) | 2016-10-12 | 2016-10-12 | A kind of mono coat Coil Coating Products made for steel drum and production method thereof |
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| Publication Number | Publication Date |
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| CN106216204A true CN106216204A (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610891673.XA Pending CN106216204A (en) | 2016-10-12 | 2016-10-12 | A kind of mono coat Coil Coating Products made for steel drum and production method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659175A (en) * | 2009-09-02 | 2010-03-03 | 苏州扬子江新型材料股份有限公司 | Scratching-resistant and wear-resistant color-coated steel sheet |
| CN101912839A (en) * | 2010-02-10 | 2010-12-15 | 常熟华冶薄板有限公司 | Continuous processing method of printed color coated steel plates at normal temperature |
| CN104723708A (en) * | 2015-04-03 | 2015-06-24 | 马钢(集团)控股有限公司 | Wood-like printing color coating steel strip manufacturing method |
| CN104805951A (en) * | 2015-05-07 | 2015-07-29 | 马钢(集团)控股有限公司 | High-corrosion-resistance building color-coated plate and manufacturing method of high-corrosion-resistance building color-coated plate |
| CN104859355A (en) * | 2015-05-07 | 2015-08-26 | 马钢(集团)控股有限公司 | Sand streak coating color-coated plate and preparation method thereof |
-
2016
- 2016-10-12 CN CN201610891673.XA patent/CN106216204A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659175A (en) * | 2009-09-02 | 2010-03-03 | 苏州扬子江新型材料股份有限公司 | Scratching-resistant and wear-resistant color-coated steel sheet |
| CN101912839A (en) * | 2010-02-10 | 2010-12-15 | 常熟华冶薄板有限公司 | Continuous processing method of printed color coated steel plates at normal temperature |
| CN104723708A (en) * | 2015-04-03 | 2015-06-24 | 马钢(集团)控股有限公司 | Wood-like printing color coating steel strip manufacturing method |
| CN104805951A (en) * | 2015-05-07 | 2015-07-29 | 马钢(集团)控股有限公司 | High-corrosion-resistance building color-coated plate and manufacturing method of high-corrosion-resistance building color-coated plate |
| CN104859355A (en) * | 2015-05-07 | 2015-08-26 | 马钢(集团)控股有限公司 | Sand streak coating color-coated plate and preparation method thereof |
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Application publication date: 20161214 |
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