CN109467988A - A kind of thermosetting powder coating of UV resistant - Google Patents
A kind of thermosetting powder coating of UV resistant Download PDFInfo
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- CN109467988A CN109467988A CN201811399477.6A CN201811399477A CN109467988A CN 109467988 A CN109467988 A CN 109467988A CN 201811399477 A CN201811399477 A CN 201811399477A CN 109467988 A CN109467988 A CN 109467988A
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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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
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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)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of thermosetting powder coatings of UV resistant.The thermosetting powder coating of UV resistant provided by the present invention includes following raw material: 20-60 parts of FEVE fluorocarbon resin；20-60 parts of polyester resin；Poly- polyisocyanate curing agent 2-10 parts；0.1-1 parts of Benzotriazole Ultraviolet Stabilizer；0.5-3 parts of gold redrock nano-titanium dioxide；5-20 parts of calcium carbonate；5-20 parts of barium sulfate；0.5-3 parts of levelling agent；0.1-0.5 parts of pigment；0.1-0.5 parts of degasser；0.5-3 parts of wetting enhancer.Coating provided by the present invention passes through FEVE fluorocarbon resin and polyester resin is compound, and Benzotriazole Ultraviolet Stabilizer and gold redrock nano carbon dioxide is added, obtain cost of material is lower, cost performance is high, it is environmentally friendly, safe and non-toxic, with fabulous UV resistant performance, stability is good, can keep the thermosetting powder coating of the UV resistant of highly resistance photo-oxidative and ageing resistance for a long time.
Description
Technical field
The invention belongs to thermosetting powder coating fields, specifically, the present invention relates to a kind of thermosetting properties of UV resistant
Powdery paints.
Background technique
UV resistant coating is mainly used for the free radical for absorbing and blocking ultraviolet light or capture is caused by ultraviolet radiation,
Molecular breakdown is prevented, has good uvioresistant, resistance to ag(e)ing and resistance to metope surface, automotive coatings, housing material etc.
Hou Xing.However, used anti-ultraviolet paint is largely solvent based coating or thermoplastic powder coating, this kind of coating at present
VOC (volatile organic compounds) often is discharged, and VOC release pollutes the environment, even influences human health.
Thermosetting powder coating due to be not discharged VOC (volatile organic compounds), pollution-free, utilization rate is high, low energy consumption,
Simple process has become " 4E type " (high production efficiency, excellent film performance, ecological, environmental protective, warp of everybody approval at present
Ji) coating.It is mainly used in the fields such as coated metal, household electrical appliance, automobile, aluminium at present.According to statistics, China's powder thermosetting
Coating consumption figure 2012 are 1,050,000 tons, and 2013 are 1,120,000 tons, and 2014 are 1,240,000 tons, rise to about 1,350,000 within 2015
Ton, 2016 annual turnovers are 1,420,000 tons, and growth trend year by year is presented up to 160.5 ten thousand tons in 2017 annual turnovers.Thermosetting property powder
Last coating mainly has epoxy powder coating, polyester powder coating, polyurethane powder coating, acrylic acid powder coatings, fluorine carbon
Powdery paints, mixed powder coating and ultraviolet light (UV) cured powder paint etc..
Presently commercially available common UV resistant thermosetting powder coating is usually epoxy resin powdery paints, such as
A kind of epoxy powder coating and preparation method thereof of weather-proof uvioresistant is announced in CN106085103A, includes hydrogen in the coating
Change the components such as bisphenol A type epoxy resin, novolac epoxy resin and ultraviolet absorbing agent, wherein its ultraviolet absorbing agent is UV-
531 (2- hydroxyl -4- octyloxybenzophenones).However, due to the presence of fragrant ether group in epoxy coating, to ultraviolet light
Extremely allergy, so that weatherability is not high, the easy yellowing in baking or sunlight irradiation process, dusting influences glossiness, decorative meeting
It is deteriorated, this is subject to certain restrictions the coating ultra-violet resistance.
Thermosetting fluorocarbon powder coatings are compared with other ordinary powder coating, melting temperature, baking temperature, coating process phase
Seemingly, but the several times of weatherability, corrosion resistance really ordinary powder coating, in addition, it also has preferable anti-ultraviolet property,
It will not turn yellow under baking or solar radiation, glossiness is preferable.
However, since pure fluorocarbon powder paint is expensive, technique controlling difficulty is high, and there are wetabilitys and poor adhesive force
Defect, so not promoted and applied sufficiently.By by fluorocarbon resin and epoxy resin, polyester resin or acrylic resin etc.
It is compound to prepare composite resin, to obtain the thermosetting property that lower cost, wetability and adhesive force improve and corrosion resistance is superpower
Powdery paints, this is research hotspot in recent years.Polyester powder coating is a kind of widely used thermosetting powder coating,
Powdery paints total output about 70% is occupied, there are the advantages such as cost is relatively low, pollution-free, energy saving, long service life, still
Its weatherability is weaker than fluorocarbon resin.As people are higher and higher to the requirement of coating products UV resistant, such as aircraft protective coating,
Historical relic's protection coating and building coating etc., thus the thermosetting fluoro carbon-polyester powder coating for developing UV resistant becomes preferable
Selection.
In addition, anti-ultraviolet paint stability used at present is poor, when used for a long time with absorption agent molecule
It decomposes and volatilization, product anti-uv-ray declines, it is difficult to it is long-term to keep highly resistance photo-oxidative, and can be with point of absorbent
Solution generates certain toxicity.
Therefore, develop that a cost is reasonable, price is economical, and with fabulous UV resistant performance and environmentally friendly resistance to
Thermosetting fluoro carbon-polyester powder coating of ultraviolet light is that those skilled in the art have technical problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of thermosetting powder coatings of UV resistant, existing in the prior art to solve
The above problem.The thermosetting powder coating cost of material of UV resistant provided by the present invention is lower, cost performance is high, environmentally friendly, peace
Atoxic, and thermosetting fluoro provided by the present invention carbon-polyester powder coating has fabulous UV resistant performance, and stability
It is good, highly resistance photo-oxidative and ageing resistance can be kept for a long time.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of thermosetting powder coating of UV resistant comprising following raw material:
Currently used for preparing fluorocarbon powder paint, often there are two types of fluorocarbon resins: PVDF fluorocarbon resin and FEVE fluorocarbon resin.
But prepare thermosetting property PVDF fluorocarbon powder paint at present and need first to prepare solvent type PVDF coating, then using spray drying
Technique prepares PVDF fluorocarbon powder paint, and technique is cumbersome, energy consumption is high, also needs recycling design and asks there are dissolvent residual etc. is a series of
Topic, and the PVDF fluorocarbon powder paint traction and acceptance prepared be not high.And FEVE fluorocarbon powder paint is with super
The advantages that long weatherability, splendid salt fog resistance, fabulous guarantor's light colour retention, so selecting FEVE fluorocarbon resin in the present invention.
In addition, the solidification temperature of the solidification temperature ratio PVDF fluorocarbon powder paint of FEVE fluorocarbon powder paint will reduce 20-
40 DEG C, curing time shortens 2-5 minutes, greatly improves spray process efficiency and reduces energy consumption, reaches environmental protection and energy saving effect.
Poly- polyisocyanate curing agent provided by the present invention can be hexa-methylene isocyanates (HDI), caprolactam
The dimer isophorone diisocyanate (IPDI-1) or tripolymer IPDI-2 of sealing end.
Wherein the dimer isophorone diisocyanate (IPDI-1) of caprolactam blocking is as the extra-weather-proof of curing agent
Hot powdery paints impact property and alkali resistance are best.
Therefore, in more preferred embodiment, the poly- polyisocyanate curing agent is the two of caprolactam blocking
Aggressiveness isophorone diisocyanate (IPDI-1).
Benzotriazole Ultraviolet Stabilizer provided by the present invention is UV-P (2- (2'- hydroxyl -5'- aminomethyl phenyl) benzene
And triazole), UVP-327 (2- (the tertiary phenyl of 2'- hydroxyl -3'5'- two) -5- chlorination benzotriazole) or UV-360 (2,2'- methylene
Base is bis- (4- t-octyl -6- benzotriazole phenol)).
In preferred embodiments, the Benzotriazole Ultraviolet Stabilizer is UVP-327.
Ultraviolet absorbing agent is a kind of light stabilizer, can absorb the ultraviolet part in sunlight and fluorescent light source, and in itself
It does not change again.Ultraviolet absorbing agent can be divided into salicylic acid esters, benzophenone, benzotriazole, substitution by its structure
Vinyl cyanide, triazines etc., industrial application is at most benzophenone and benzotriazole.
Benzotriazole Ultraviolet Stabilizer has good absorption to the ultraviolet light within the scope of 280~400nm, does not absorb
Visible light can convert the ultraviolet luminous energy of absorption to thermal energy, and have fusing point height, small toxicity, have certain water dispersion at high temperature
Property, with the good advantage of polymer compatibility, performance (such as using disclosed in CN106085103A better than benzophenone
UV-531)。
Pigment provided by the present invention can be common inorganic pigment, inorganic ceramic pigment, organic pigment or lead pigments.
Fluorine carbon system wetability is poor, so pigment selection is harsher.Under equal conditions, inorganic ceramic pigment is protected light, is protected
Color is superior to common inorganic pigment, organic pigment and lead pigments, and best with fluorine carbon-polyester compound system compatibility.
Therefore, in more preferred embodiment, the pigment is inorganic ceramic pigment.
The degasser can be styrax, modified styrax or wax class degasser.
Degasser, which can be removed, usually generates small molecule compound during coating baking-curing.Styrax has fine
Degasifying effect, still, in fluorocarbon powder paint, be easy the easy yellowing of film at high temperature.And the resistance to Huang of wax class degasser itself
Denaturation is best.
Therefore, in more preferred embodiment, the degasser is preferably wax class degasser.
In addition, include gold redrock nano-titanium dioxide in the thermosetting powder coating of UV resistant provided by the present invention,
For increasing ultraviolet radiation absorption, the anti-aging property and mechanical property of coating are improved.Gold redrock nano-titanium dioxide belongs to nanometer
Material, since its particle size is tiny, have many excellent pigment performances: refractive index is high, ultraviolet absorption ability is strong etc..With it is existing
Some organic uv absorbers are compared, and Nano titanium dioxide is with nontoxic, optical property is stable, good dispersion, specific surface
The features such as product is big, Surface binding energy is high.These performances make the stabilization of the coating property made from nano-titanium dioxide, anti-aging energy
Power is strong, mechanical property is preferable.
The thermosetting powder coating of UV resistant provided by the present invention, can reach it is following the utility model has the advantages that
(1) thermosetting powder coating of UV resistant provided by the present invention is a kind of ring of organic solvent-free volatilization and discharge
Border friendly coating, and toxic ultraviolet absorbing agent is free of, it is safe and non-toxic to the person and environment；
(2) thermosetting fluoro carbon-polyester powder coating cost of UV resistant provided by the present invention is far below pure fluorine carbon dust
Coating；
(3) present invention, which selects, has overlength weatherability, splendid salt fog resistance, fabulous guarantor's light colour retention and ultra-violet resistance
FEVE fluorocarbon resin is compound with polyester resin, obtains thermosetting fluoro carbon-polyester powder coating of fabulous ultra-violet resistance；
(4) thermosetting powder coating of UV resistant provided by the present invention using fusing point height, small toxicity, have one at high temperature
Determine water dispersible and the good Benzotriazole Ultraviolet Stabilizer of polymer compatibility, obtains using hexichol than in the prior art
The more preferable ultraviolet radiation absorption effect of ketone class ultraviolet absorbing agent coating；
(5) wetting enhancer is added in the thermosetting powder coating of UV resistant provided by the present invention, can further improve fluorine
Carbon-polyester compound system wetability；
(6) gold redrock nano carbon dioxide is added in the thermosetting powder coating of UV resistant provided by the present invention, can
Degradation is adsorbed on coating surface Organic Pollutants or part inorganic matter, to reach self-cleaning purpose so that coating property it is stable,
Ageing resistance is strong, mechanical property is preferable.
Specific embodiment
It is described in detail below with reference to thermosetting powder coating of the embodiment to UV resistant of the invention.
Embodiment 1
A kind of thermosetting powder coating of UV resistant comprising following raw material:
Embodiment 2
A kind of thermosetting powder coating of UV resistant comprising following raw material:
Embodiment 3
A kind of thermosetting powder coating of UV resistant comprising following raw material:
Embodiment 4
A kind of thermosetting powder coating of UV resistant comprising following raw material:
Embodiment 5
A kind of thermosetting powder coating of UV resistant comprising following raw material:
Embodiment 6
A kind of thermosetting powder coating of UV resistant comprising following raw material:
Comparative example 1
A kind of pure fluorocarbon powder paint of thermosetting property comprising following raw material:
Comparative example 2
A kind of thermosetting fluoro carbon-polyester composite powder coatings comprising following raw material:
Comparative example 3
A kind of thermosetting fluoro carbon-polyester composite powder coatings comprising following raw material:
The present invention is carried out measure of merit for above-described embodiment and comparative example, specifically uses above-described embodiment
And the thermosetting powder coating that comparative example obtains sprays aluminum base material, obtains film after curing process, and to the painting
Film carries out following test, and it is shown that test result is as follows:
1 embodiment 1-6 of table and comparative example 1-3 testing result
As seen from the above table, (formula is pure fluorocarbon powder paint, not compound with polyester resin, other and implementation with comparative example 1
Example 1 is identical) it compares, embodiment 1-6 film is smooth, and little orange peel occurs in comparative example 1；Embodiment 1-6 film impact resistance (machine
Tool performance), adhesive force be substantially better than comparative example 1；Embodiment 1-5 acetic acid salt spray tests (corrosion resistance) with comparative example 1 without obvious
Difference；And embodiment 1-6 fluorescent ultraviolet aging (ultra-violet resistance) and QUV-B artificial accelerated aging test (weatherability) are better than comparison
Example 1.Thus illustrate, compared with the comparative example 1 of the pure fluorocarbon powder paint of thermosetting property, thermosetting fluoro carbon-polyester composite powder coatings
With better wetability, mechanical performance, ultra-violet resistance and weatherability.
With comparative example 2 (not having Benzotriazole Ultraviolet Stabilizer in formula, other are same as Example 1) and comparative example
3 (not having gold redrock nano-titanium dioxide in formula, other are same as Example 1) are compared, and embodiment 1-6 impact resistance is (mechanical
Performance), adhesive force and comparative example 2 and 3 be without marked difference.Embodiment 1-6 fluorescent ultraviolet aging (ultra-violet resistance) is significantly better than pair
Ratio 2 and comparative example 3；And embodiment 1-6QUV-B artificial accelerated aging test (weatherability) is better than comparative example 2 and comparative example 3.
Thus illustrate, with no Benzotriazole Ultraviolet Stabilizer or not the powder thermosetting of gold redrock nano-titanium dioxide does not apply
Material is compared, and the solidity powdery paints of UV resistant heat provided by the present invention has more preferable ultra-violet resistance and weatherability.
To sum up, addition is that the thermosetting fluoro carbon-of Benzotriazole Ultraviolet Stabilizer and gold redrock nano-titanium dioxide is poly-
Ester powdery paints is the thermosetting powder coating embodiment of best UV resistant.
It should be known that specific embodiment is only representative embodiments in the present invention, protection scope of the present invention is not
It is only limitted to this.The technical scope that any known those skilled in the art can disclose through the invention, in conjunction with the technology of the present invention side
Case is equivalently replaced or changes, these are encompassed by within protection scope of the present invention.Also, this hair of description cited herein
Bright background technique and publication, patent, website or other reference materials provided by the present invention for implementing details of operation, which pass through, draws
It is incorporated herein with mode.
Claims (9)
1. a kind of thermosetting powder coating of UV resistant, which is characterized in that the thermosetting powder coating packet of the UV resistant
Include following raw material:
2. the thermosetting powder coating of UV resistant according to claim 1, which is characterized in that the poly- polyisocyanates
Curing agent is the dimer isophorone diisocyanate (IPDI-1) of hexa-methylene isocyanates (HDI), caprolactam blocking
Or tripolymer IPDI-2.
3. the thermosetting powder coating of UV resistant according to claim 2, which is characterized in that the poly- polyisocyanates
Curing agent is the dimer isophorone diisocyanate (IPDI-1) of caprolactam blocking.
4. the thermosetting powder coating of UV resistant according to claim 1, which is characterized in that the benzotriazole is purple
Ultraviolet absorbers are UV-P (2- (2'- hydroxyl -5'- aminomethyl phenyl) benzotriazole), UVP-327 (2- (2'- hydroxyl -3'5'-
Two tertiary phenyl) -5- chlorination benzotriazole) or UV-360 (2,2' methylene bis (4- t-octyl -6- benzotriazole phenol).
5. the thermosetting powder coating of UV resistant according to claim 4, which is characterized in that the benzotriazole is purple
Ultraviolet absorbers are UVP-327.
6. the thermosetting powder coating of UV resistant according to claim 1, which is characterized in that the pigment is common nothing
Machine pigment, inorganic ceramic pigment, organic pigment or lead pigments.
7. the thermosetting powder coating of UV resistant according to claim 6, which is characterized in that the pigment is inorganic pottery
Porcelain pigment.
8. the thermosetting powder coating of UV resistant according to claim 1, which is characterized in that the degasser is to rest in peace
Fragrant, modified styrax or wax class degasser.
9. the thermosetting powder coating of UV resistant according to claim 8, which is characterized in that the degasser is wax class
Degasser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399477.6A CN109467988A (en) | 2018-11-22 | 2018-11-22 | A kind of thermosetting powder coating of UV resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399477.6A CN109467988A (en) | 2018-11-22 | 2018-11-22 | A kind of thermosetting powder coating of UV resistant |
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| Publication Number | Publication Date |
|---|---|
| CN109467988A true CN109467988A (en) | 2019-03-15 |
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| CN201811399477.6A Withdrawn CN109467988A (en) | 2018-11-22 | 2018-11-22 | A kind of thermosetting powder coating of UV resistant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113930130A (en) * | 2021-11-04 | 2022-01-14 | 淮安凯佳粉末涂料有限公司 | Thermosetting powder coating |
| CN116769377A (en) * | 2023-03-03 | 2023-09-19 | 河南佳诺威木业有限公司 | Preparation method of paint for medium-density fiberboard |
-
2018
- 2018-11-22 CN CN201811399477.6A patent/CN109467988A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113930130A (en) * | 2021-11-04 | 2022-01-14 | 淮安凯佳粉末涂料有限公司 | Thermosetting powder coating |
| CN116769377A (en) * | 2023-03-03 | 2023-09-19 | 河南佳诺威木业有限公司 | Preparation method of paint for medium-density fiberboard |
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Application publication date: 20190315 |