CN104817950B - Energy-saving and environment-friendly roller coating paint for printing plate and application method of energy-saving and environment-friendly roller coating paint - Google Patents
Energy-saving and environment-friendly roller coating paint for printing plate and application method of energy-saving and environment-friendly roller coating paint Download PDFInfo
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- CN104817950B CN104817950B CN201510256902.6A CN201510256902A CN104817950B CN 104817950 B CN104817950 B CN 104817950B CN 201510256902 A CN201510256902 A CN 201510256902A CN 104817950 B CN104817950 B CN 104817950B
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides an energy-saving and environment-friendly roller coating paint for a printing plate and an application method of the energy-saving and environment-friendly roller coating paint. The paint comprises a priming paint and a finish paint. The paint is high in adhesive force, good in ductility, heat-resistant and long in service life; the processing technology for printing plate products is changed; the processing procedures are simplified; roller coating treatment is intensively finished on a panel of the printing plate; and a painting workshop does not need to be independently arranged.
Description
Technical field
The present invention relates to a kind of printing plate energy-conserving and environment-protective roller coat paint and its using method, it is primarily adapted for use in furred ceiling stamp
The application of the printing plates such as plate, metal pressed decorating plate.
Background technology
The coating process of existing printing plate mainly adopt spraying technology: first by printing plate slab be processed into furred ceiling printing plate,
Metal embossed decorative plate shape, is then delivered to painting workshop and is sprayed, and obtains furred ceiling printing plate, the metal embossed decorative of molding
Panel products.
Wherein, spraying is by spray gun or dish-style nebulizer, by means of pressure or centrifugal force, disperses uniformly and fine
Droplet, is applied over the coating process on coated article surface.
Subject matter in spraying be the coating cloud of high degree of dispersion and evaporate solvent (i.e. volatile organic contaminant,
Vocs), both pollute environment, be unfavorable for health, waste coating again, cause economic loss.
Specifically, existing printing plate spraying coating process has following defects that
1) paint consumption is big, but utilization rate is low, causes to waste.In spraying process, due to painting non-refractory, temperature mistake
Height can lead to paint variable color, so adopting low-temperature spray, causes each quantity for spray few, need to spray 3～5 times just can complete described
The spraying of molding stamp slab products, causes the waste to paint；
2) there is volatile material in painting used in existing spraying coating process, spraying process leads to only 30～40%
Paint be attached on molding stamp slab products, remaining is diffused in the air, or drops on the ground, wastes serious, to environment
There is pollution, spray high cost；
3) volatilization, be diffused into the paint of in the air, then form volatile organic contaminant (vocs), be detrimental to health.
In painting workshop, paint is as the main source of volatile organic contaminant, in the air volatile organic compound in painting workshop
It is easy to cause acute poisoning during thing excessive concentration, the lighter occurs headache, dizziness, cough, Nausea and vomiting or is in dead drunk liquor-saturated shape；
Severe one occurs that liver poisoning is even gone into a coma quickly, and have there may also be life danger.Stay in VOC for a long time dirty
In the painting workshop of dye, chronic poisoning can be caused, damage liver and nervous system, cause general weakness, drowsiness, skin pruritus
Deng.Have is also possible to cause endocrine disturbance, affects sexual function；Benzene and dimethylbenzene can also damage system, so that causing leukemia；
4) do not enable first to be sprayed on the operation of processing.If spraying after reprocessing process, can lead to PASS and
Ductility not, can come off in process；And the bending degree of the printing plate of spray paint (the curved performance of t) general in 2t or
More than person 2t, require 0t (i.e. after the bending of 180 ° of printing plate, completely seamless close up, paint does not burst and comes off) or 1t is (i.e.
Twice after 180 ° of bendings, outermost paint face does not fall off printing plate, does not burst) situation when, in existing spraying coating process adopt
Paint cannot meet requirement；
5) for existing spraying coating process, the printing plate of machined molding sprays, multiple for structure on molding printing plate
Miscellaneous region (at such as corner, recess etc.) it is more likely that cannot a spray mo(u)lding, need repeatedly to spray, just can complete
In the spraying in complex structure region, lead to printing plate surface paint skewness, impact is follow-up to be used；
6) adopt spraying coating process, need each printing plate product producer that painting workshop, environmental protection treatment pressure will be specially set
Power is big；
7) paint employed in existing spraying coating process, be mostly Polyester Paint or F-C paint, both paint ageing resistances are poor,
Through long-time consecutive sunlight, stamp plate surface occurs the situation of yellowing, variable color；
8) existing Polyester Paint or F-C paint, heat-resisting ability is poor, is reaching 230 DEG C using spot welding continuation processing or temperature
When, printing plate surface paint occurs variable color, cracking phenomena.
Content of the invention
It is an object of the invention to provide a kind of printing plate energy-conserving and environment-protective roller coat paint, preparation method and coating process,
Described PASS is strong, ductility is good, high temperature resistant, long service life, changes the processing technique of stamp slab products, simplifies processing
Formality, concentrates on printing plate sheet material and completes roller coat process, need not be separately provided painting workshop.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of printing plate is painted with energy-conserving and environment-protective roller coat, and described paint includes priming paint and finish paint；The chemistry one-tenth of described priming paint
Point mass percent is: mill base: 40～50%, polyurethane modified acrylic resin: and 20～30%, polyester modified epoxy resin: 1
～5%, barium sulfate slurry: 10～20%, firming agent: 2～8%, benzene is for amino resins: 1～5%, curing accelerator: 0.1～
0.8%, levelling agent: 0.1～0.8%, adhesion promoter: 1～5%, defoamer: 0.1～0.7%, mixed solvent: 1～
5%；In described priming paint, the chemical composition mass percent of mill base is: polyurethane modified acrylic resin: 40～50%, pigment:
40～50%, dispersant: 1～2%, rust resisting pigment: 1～5%, mixed solvent: 1～5%；The chemical composition quality of described finish paint
Percentage ratio is: polyurethane modified acrylic resin: 30～40%, polyester modified epoxy resin: and 30～40%, firming agent: 1～
10%, benzene is for amino resins: 1～6%, curing accelerator: and 0.1～0.7%, levelling agent: 0.5～1.5%, baking vanish attachment is made every effort to promote
Enter agent: 0.1～1%, flatting silica: 1～5%, defoamer: 0.1～1%, mixed solvent: 10～15%.
Preferably, the chemical composition mass percent of described priming paint is: mill base: 40～42%, polyurethane-modified acrylic acid
Resin: 24～26%, polyester modified epoxy resin: 1～3%, barium sulfate slurry: 17～19%, firming agent: 4～6%, benzene is for ammonia
Base resin: 1～2%, curing accelerator: 0.2～0.3%, levelling agent: 0.5～0.7%, adhesion promoter: 1～3%, disappear
Infusion: 0.5～0.7%, mixed solvent: 3～5%；In described priming paint, the chemical composition mass percent of mill base is: polyurethane changes
Property acrylic resin: 47～49%, pigment: 43～45%, dispersant: 1～2%, rust resisting pigment: 3～5%, mixed solvent: 3
～4%；The chemical composition mass percent of described finish paint is: polyurethane modified acrylic resin: 34～36%, polyester modification ring
Oxygen tree fat: 36～38%, firming agent: 8～10%, benzene is for amino resins: 4～6%, curing accelerator: 0.6～0.7%, levelling
Agent: 1～1.5%, baking vanish adhesion promoter: 0.1～0.3%, flatting silica: 2～4%, defoamer: 0.5～0.8%, mixing
Solvent: 10～12%.
Preferably, the chemical composition mass percent of described priming paint is: mill base: 40.32%, polyurethane-modified acrylic acid tree
Fat: 25%, polyester modified epoxy resin: 2%, barium sulfate slurry: 18%, firming agent: 5.5%, benzene is for amino resins: 1.7%, Gu
Change accelerator: 0.28%, levelling agent: 0.55%, adhesion promoter: 2%, defoamer: 0.65%, mixed solvent: 4%；Institute
The chemical composition mass percent stating mill base in priming paint is: polyurethane modified acrylic resin: 48.4%, pigment: and 43.1%, point
Powder: 1.2%, rust resisting pigment: 4%, mixed solvent: 3.3%；The chemical composition mass percent of described finish paint is: polyurethane
Acrylic resin modified: 34.75%, polyester modified epoxy resin: 36.15%, firming agent: 8.73%, benzene is for amino resins:
4.2%, curing accelerator: 0.61%, levelling agent: 1.03%, baking vanish adhesion promoter: 0.2%, flatting silica: 2.6%, disappear
Infusion: 0.7%, mixed solvent: 11.3%.
Further, described pigment is transparent pigment.
Separately, described firming agent is modified amine curing agent.
Separately have, described benzene for amino resins for methyl-etherified benzene in amino resins and the etherification benzene substituted amino resins of fourth at least
A kind of.
Again, described defoamer is silicone defoamer, mineral oil defoaming agent or a combination thereof.
Further, described adhesion promoter is epoxy radical siloxane auxiliary agent, described levelling agent is that fluorine-carbon modified acrylic acid gathers
Compound levelling agent, flatting silica is silicon dioxide flatting silica.
And, described mixed solvent is esters, ketone, aliphatic hydrocarbon, fatty alcohol, two or more in aromatic hydrocarbon solvent
Mixture.
Meanwhile, the present invention also provides a kind of using method of printing plate energy-conserving and environment-protective roller coat paint, comprises the steps:
Pretreatment is carried out to printing plate steel slab surface, then in printing plate steel slab surface by the way of roller coat, successively by described paint
In priming paint and finish paint apply and be attached to printing plate steel slab surface, obtain stamp paint plate, 216～224 DEG C of roller coat temperature, roller coat number of times is
1 time.
The beneficial effects of the present invention is:
A) PASS obtained by is strong, ductility good, high temperature resistant (can invariant color at 230 DEG C), service life
Long.
B) roller coat can be passed through by oil paint coating provided by the present invention in printing plate slab table in the printing plate slab stage
Face, forms stamp paint slab, and gained stamp paint slab directly can carry out following process, obtain molding appliance plate, even if structure
Complicated appliance plate structure, also completes oil paint coating in the slab stage, need not subsequently application, instead of " elder generation in existing process
Be processed into appliance plate slab, then spray again and obtain molding appliance plate " technique, paint is strong with printing plate adhesive force, Bu Huiyin
Processing technique and crack or come off.
C) due to painting excellent adhesive force and ductility, change the processing technique of stamp slab products, simplify processing
Formality, concentrates the roller coat completing printing plate to process on printing plate, need not be separately provided painting workshop again, stamp slab products are processed
Factory does not have the discharge of waste water and gas, and environmental conservation detection only needs the source of centralized Control printing plate to spray, optimizes environment
Protection.
D) paint, by the way of roller coat, is rolled onto appliance plate steel slab surface by the way of disposable roller coat by paint,
, between 216～224 DEG C, rate of drying is fast for roller coat temperature control, becomes 1 molding by 2～5 times original roller coat, can be real
The production and processing speed of existing 60m slab/min, greatly accelerates speed of production, improves production efficiency, greatly reduce processing
Time, good energy-conserving effect.
E) due to being that the quick-drying roller coating technology of disposable roller coat molding replaces spraying coating process, the availability energy painting during application
Reach more than 90%, decrease volatilization and the waste of in the air, effectively reduce and lead to paint the vocs that volatilization is formed, roller because of spraying
Apply vocs discharge capacity≤420ppm in workshop, paint environment protecting is good.
F) stamp paint slab products roller coat application being completed are processed, and are fabricated to various household electrical appliances board finished products, stamp oil
The paint curved performance of plate t up to 0t (after the bending of 180 ° of the finished product printing plate after roller coat, completely seamless close up, paint does not burst and comes off)
Or 1t (twice after 180 ° of bendings, outermost paint face does not fall off printing plate, does not burst) is it is ensured that printing plate quality.
Specific embodiment
Below by specific embodiment, the present invention is described further, but embodiment is not intended to limit the protection of the present invention
Scope.
Table 1 is priming paint chemical composition list in printing plate energy-conserving and environment-protective roller coat paint described in the embodiment of the present invention.Table 2 is
The chemical composition list of mill base in priming paint described in the embodiment of the present invention.Table 3 is printing plate energy-saving ring described in the embodiment of the present invention
Protect the chemical composition list of finish paint in roller coat paint.
The chemical composition (unit: wt%) of priming paint described in table 1. embodiment
The chemical composition (unit: wt%) of mill base in priming paint described in table 2. embodiment
| Polyurethane modified acrylic resin | Pigment | Dispersant | Rust resisting pigment | Mixed solvent | |
| Embodiment 1 | 48.4 | 43.1 | 1.2 | 4 | 3.3 |
| Embodiment 2 | 40.9 | 50 | 2 | 5 | 2.1 |
| Embodiment 3 | 47.1 | 45.9 | 1 | 1 | 5 |
| Embodiment 4 | 50 | 40 | 1.8 | 5 | 3.2 |
| Embodiment 5 | 45.2 | 48.8 | 2 | 3 | 1 |
Based white primer chemical composition (unit: wt%) described in table 3. embodiment
Using the printing plate provided by the present invention stamp being obtained after energy-conserving and environment-protective roller coat oil paint coating printing plate slab
Paint plate, the curved performance of t is up to 0t or 1t.Paint utilization rate is high, and every 30 kilograms of paint can 1 ton of printing plate slab of application.?
Do not ftracture under 230 ° of high temperature, invariant color, ageing resistance is strong, places consecutive sunlight not yellowing, invariant color in 10～15 years out of doors.
Acidproof corrosion resistance is strong, the good product of spray coating is put into and boils 2h life in 85 ° of water and be progressively heated at 100 ° again, product no variable color,
Fall paint, bubble.At normal temperatures with, after 5% nad solution soaking 24h, product surface non-corroding, variable color and coating come off.Pure
Cotton dips in full 95% ethanol bag on 500g counterweight, and the stroke about speed (20mm) with 40-60 time per minute is in product table
Face wipes 50 circulations, removing oil of no fading.Detect the one-tenth being coated with paint provided by the present invention according to the x method of drawing in U.S. astm
The stamp slab products such as type furred ceiling printing plate, metal pressed decorating plate, can reach the 0=astm grade of iso grade, and notching edge is complete
Entirely smooth, the peeling that edge has not a particle of.
It should be noted that above example is only in order to illustrate technical scheme and unrestricted.Although with reference to relatively
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the technology of invention
Scheme is modified or equivalent, and without deviating from the scope of technical solution of the present invention, it all should cover the power in the present invention
In sharp claimed range.
Claims (8)
1. a kind of printing plate is painted with energy-conserving and environment-protective roller coat it is characterised in that described paint includes priming paint and finish paint；
The chemical composition mass percent of described priming paint is: mill base: 40 ~ 50%, polyurethane modified acrylic resin: and 20 ~ 30%, gather
Ester modified epoxy resin: 1 ~ 5%, barium sulfate slurry: 10 ~ 20%, firming agent: 2 ~ 8%, benzene is for amino resins: 1 ~ 5%, curing accelerator:
0.1 ~ 0.8%, levelling agent: 0.1 ~ 0.8%, adhesion promoter: 1 ~ 5%, defoamer: 0.1 ~ 0.7%, mixed solvent: 1 ~ 5%；
In described priming paint, the chemical composition mass percent of mill base is: polyurethane modified acrylic resin: 40 ~ 50%, pigment: 40 ~
50%, dispersant: 1 ~ 2%, rust resisting pigment: 1 ~ 5%, mixed solvent: 1 ~ 5%；
Described pigment is transparent pigment；
The chemical composition mass percent of described finish paint is: polyurethane modified acrylic resin: 30 ~ 40%, polyester modification asphalt mixtures modified by epoxy resin
Fat: 30 ~ 40%, firming agent: 1 ~ 10%, benzene is for amino resins: 1 ~ 6%, curing accelerator: 0.1 ~ 0.7%, levelling agent: 0.5 ~ 1.5%,
Baking vanish adhesion promoter: 0.1 ~ 1%, flatting silica: 1 ~ 5%, defoamer: 0.1 ~ 1%, mixed solvent: 10 ~ 15%.
2. printing plate according to claim 1 paints the chemistry one-tenth it is characterised in that described priming paint with energy-conserving and environment-protective roller coat
Point mass percent is: mill base: 40 ~ 42%, polyurethane modified acrylic resin: and 24 ~ 26%, polyester modified epoxy resin: 1 ~ 3%,
Barium sulfate slurry: 17 ~ 19%, firming agent: 4 ~ 6%, benzene is for amino resins: 1 ~ 2%, curing accelerator: 0.2 ~ 0.3%, levelling agent: 0.5 ~
0.7%, adhesion promoter: 1 ~ 3%, defoamer: 0.5 ~ 0.7%, mixed solvent: 3 ~ 5%；
In described priming paint, the chemical composition mass percent of mill base is: polyurethane modified acrylic resin: 47 ~ 49%, pigment: 43 ~
45%, dispersant: 1 ~ 2%, rust resisting pigment: 3 ~ 5%, mixed solvent: 3 ~ 4%；
The chemical composition mass percent of described finish paint is: polyurethane modified acrylic resin: 34 ~ 36%, polyester modification asphalt mixtures modified by epoxy resin
Fat: 36 ~ 38%, firming agent: 8 ~ 10%, benzene is for amino resins: 4 ~ 6%, curing accelerator: 0.6 ~ 0.7%, levelling agent: 1 ~ 1.5%, bake
Paint adhesion promoter: 0.1 ~ 0.3%, flatting silica: 2 ~ 4%, defoamer: 0.5 ~ 0.8%, mixed solvent: 10 ~ 12%.
3. printing plate energy-conserving and environment-protective roller coat according to claim 1 and 2 paints it is characterised in that described firming agent is
Modified amine curing agent.
4. printing plate according to claim 1 and 2 is painted it is characterised in that described benzene is for amino with energy-conserving and environment-protective roller coat
Resin is methyl-etherified benzene at least one in amino resins and the etherification benzene substituted amino resins of fourth.
5. printing plate energy-conserving and environment-protective roller coat according to claim 1 and 2 paints it is characterised in that described defoamer is
Silicone defoamer, mineral oil defoaming agent or a combination thereof.
6. printing plate energy-conserving and environment-protective roller coat according to claim 1 and 2 paints it is characterised in that described attachment is made every effort to promote
Entering agent is epoxy radical siloxane auxiliary agent, and described levelling agent is fluorine-carbon modified acrylate copolymer levelling agent, and flatting silica is titanium dioxide
Silicon flatting silica.
7. printing plate according to claim 1 and 2 energy-conserving and environment-protective roller coat paint is it is characterised in that described mixed solvent
It is esters, ketone, aliphatic hydrocarbon, fatty alcohol, two or more the mixture in aromatic hydrocarbon solvent.
8. a kind of printing plate as claimed in claim 1 or 2 is painted with energy-conserving and environment-protective roller coat using method it is characterised in that
Comprise the steps: to carry out pretreatment to printing plate steel slab surface, then in printing plate steel slab surface by the way of roller coat, according to
Secondary apply the priming paint in described paint and finish paint is attached to printing plate steel slab surface, obtains stamp paint plate, roller coat temperature 216 ~ 224
DEG C, roller coat number of times is 1 time.
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|---|---|---|---|
| CN201510256902.6A CN104817950B (en) | 2015-05-19 | 2015-05-19 | Energy-saving and environment-friendly roller coating paint for printing plate and application method of energy-saving and environment-friendly roller coating paint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256902.6A CN104817950B (en) | 2015-05-19 | 2015-05-19 | Energy-saving and environment-friendly roller coating paint for printing plate and application method of energy-saving and environment-friendly roller coating paint |
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| CN104817950B true CN104817950B (en) | 2017-01-25 |
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| CN105038474A (en) * | 2015-09-02 | 2015-11-11 | 太仓市金新涂料有限公司 | Modified acrylic resin energy conservation and environment protection coating for suspended ceiling print-coating plate |
| CN105111871A (en) * | 2015-09-02 | 2015-12-02 | 太仓市金新涂料有限公司 | Modified acrylic resin energy-saving environment-friendly paint for suspended ceiling metal sheets |
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| US20040147671A1 (en) * | 2002-05-15 | 2004-07-29 | Richard Milic | Decorative coating composition for solid substrates |
| CN102259557A (en) * | 2010-05-31 | 2011-11-30 | 威海万丰奥威汽轮有限公司 | Aluminum alloy wheel hub with coatings on double sides |
| CN103031048A (en) * | 2012-12-14 | 2013-04-10 | 中国船舶重工集团公司第七二五研究所 | Low solar-energy absorbing energy-saving coating for ship |
| CN104371508B (en) * | 2014-11-03 | 2016-09-28 | 苏州福斯特新材料有限公司 | A kind of weathering resistance coatings combined films |
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Effective date of registration: 20210817 Address after: Room 01, building 13, No.1, Zhaoyan Road, Shaxi Town, Taicang City, Jiangsu Province Patentee after: Suzhou Xineng Environmental Protection Technology Co.,Ltd. Address before: 215421 Shaxi Zhen Zhi Tang ban Jing Cun, Taicang City, Suzhou City, Jiangsu Province Patentee before: TAICANG JINXIN PAINT Co.,Ltd. |
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