CN108795272B - A kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture and preparation method thereof - Google Patents
A kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture and preparation method thereof Download PDFInfo
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- CN108795272B CN108795272B CN201811153101.7A CN201811153101A CN108795272B CN 108795272 B CN108795272 B CN 108795272B CN 201811153101 A CN201811153101 A CN 201811153101A CN 108795272 B CN108795272 B CN 108795272B
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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
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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
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- 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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Abstract
The invention discloses a kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture and preparation method thereof, the coating calculates by weight, it include: 20~40 parts of aqueous aliphatic urethane acrylate, 30~50 parts of aqueous aliphatic polyurethane dispersion, 0.15~0.75 part of aqueous dispersion, 0.1~0.5 part of aqueous wetting agent agent, 0.15~0.75 part of aqueous fumed silica, 15~30 parts of titanium dioxide, 0.1~0.5 part of aqueous defoamer, 0.15~0.75 part of aqueous levelling agent, 1~3 part of water-based thickener, 2~8 parts of water-soluble photoinitiator, 0.05~0.3 part of fungicide, 0.05~0.3 part of in-can preservative, 5.5~10.3 parts of deionized water；The paint solidification energy is low, and curing rate is fast, equally applicable to thermo-responsive substrate；It is environmentally protective, it has good workability；The preparation method is easy to implement, and curing apparatus is simple, does not generate ozone in the process.
Description
Technical field
The present invention relates to UV LED water paint and its preparation technical field, in particular to a kind of UV LED aquosity ultraviolet light
Solidify kitchen and bath's coatings for furniture and preparation method thereof.
Background technique
Traditional UV water paint refers to waterborne ultraviolet curing resin UV coating, i.e., using ultraviolet light as solidification energy
Source, the water-base resin UV coating that Quick cross-linking forms a film at normal temperature.
But waterborne ultraviolet curing resin UV coating energy consumption is high, a large amount of ozone can be generated in the curing process, to ring
Border pollution is big, endangers the health of people.
UV LED(UV LED) it is a cold light source, it is not exported in infrared range of spectrum, does not need to make
Thermo-responsive substrate, electrical-optical high conversion efficiency, to environment friend can be used for such as chill roll and black-out cloth with complicated cooling equipment
It is good, do not generate harm to human body.
As it can be seen that the prior art could be improved and improve.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, it is solid that the purpose of the present invention is to provide a kind of UV LED aquosity ultraviolet lights
Change kitchen and bath's coatings for furniture and preparation method thereof, it is intended to solve ultraviolet-curing paint solidification energy height in the prior art, solidification
The ozone to human body and environmental danger is generated in the process, and curing apparatus is complicated, is not suitable for photosensitivity materials'use
Problem.
In order to achieve the above object, this invention takes following technical schemes:
A kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, calculates by weight, comprising:
20~40 parts of aqueous aliphatic urethane acrylate,
30~50 parts of aqueous aliphatic polyurethane dispersion,
0.15~0.75 part of aqueous dispersion,
0.1~0.5 part of aqueous wetting agent agent,
0.15~0.75 part of aqueous fumed silica,
15~30 parts of titanium dioxide,
0.1~0.5 part of aqueous defoamer,
0.15~0.75 part of aqueous levelling agent,
1~3 part of water-based thickener,
2~8 parts of water-soluble photoinitiator,
0.05~0.3 part of fungicide,
0.05~0.3 part of in-can preservative,
5.5~10.3 parts of deionized water.
In UV LED UV-curable waterborne kitchen and bath's coatings for furniture, the aqueous dispersion and aqueous gas phase titanium dioxide
The weight ratio of silicon is 1: 1.
It is the aqueous defoamer, aqueous levelling agent, aqueous in UV LED UV-curable waterborne kitchen and bath's coatings for furniture
The weight ratio of dispersing agent is 2: 3: 3.
In UV LED UV-curable waterborne kitchen and bath's coatings for furniture, the aqueous dispersion is to contain the affine base of pigment
The block copolymer of group.
In UV LED UV-curable waterborne kitchen and bath's coatings for furniture, the aqueous wetting agent agent is the alkane of acidic polymer
Alcohol amine salt.
In UV LED UV-curable waterborne kitchen and bath's coatings for furniture, the aqueous defoamer is TEGO Airex
904W, the aqueous levelling agent are TEGO Glide 410.
In UV LED UV-curable waterborne kitchen and bath's coatings for furniture, the water-based thickener is aqueous non-ionic associative
Type rheology modifier.
In UV LED UV-curable waterborne kitchen and bath's coatings for furniture, the water-soluble photoinitiator is (2,4,6- front threes
Base benzoyl)-diphenyl phosphine oxide and isooctyl p-dimethylaminobenzoate compound product.
In UV LED UV-curable waterborne kitchen and bath's coatings for furniture, the fungicide is 2- n-octyl -4- isothiazole
Quinoline -3- ketone, the in-can preservative are 2-methyl-4-isothiazolin-3-one.
A kind of preparation method of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, comprising the following steps:
S001. according to the above ratio by aqueous aliphatic urethane acrylate, aqueous aliphatic polyurethane dispersion, water
Property dispersing agent, aqueous wetting agent agent put into reactor respectively, 10~15min is dispersed under the revolving speed of 750~850rpm；
S002. aqueous fumed silica, R706 titanium dioxide, the revolving speed of 1200~1500rpm are put into reactor again
10~15min of lower dispersion；
S003. inspection by sampling puts into aqueous defoamer, aqueous levelling agent, water-based thickener when fineness≤20 μm,
Disperse 10~15min under the revolving speed of 1200~1500rpm；
S004. inspection by sampling, coating painting scrape on a glass without shrinkage cavity phenomenon after, investment water-soluble photoinitiator, go from
Sub- water, fungicide, in-can preservative disperse 10~15min under 750~850rpm revolving speed, are uniformly mixed, obtain finished product coating.
The utility model has the advantages that
The present invention provides a kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture and preparation method thereof, the coating
Solidification energy is low, and curing rate is fast, and under the irradiation of the UV LED light source of 395nm, curing rate 25m/min can save 50%
~75% electric power, it is equally applicable to thermo-responsive substrate；It is environmentally protective, the harmful substances such as VOC will not be generated, are had good workability,
Hardness of film after solidification reaches Chinese pencil hardness 1H, and for adhesive force up to 0 grade, gloss of film degree is high, has excellent levelability, rich
Full scale, hardness, yellowing resistance, covering power is strong, the external coating suitable for various kitchen and bath's furniture；The preparation method is easy real
It applies, curing apparatus is simple, does not need not generate ozone in the process using cooling or shading device.
Detailed description of the invention
Fig. 1 is ultra-violet absorption spectrum of the water-soluble photoinitiator provided by the invention under different quality percentage concentration
Figure.
Specific embodiment
The present invention provides a kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture and preparation method thereof, to make the present invention
Purpose, technical solution and effect it is clearer, clear, the present invention is described in more detail by the following examples.It should manage
Solution, described herein specific examples are only used to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, calculates by weight, comprising:
20~40 parts of aqueous aliphatic urethane acrylate,
30~50 parts of aqueous aliphatic polyurethane dispersion,
0.15~0.75 part of aqueous dispersion,
0.1~0.5 part of aqueous wetting agent agent,
0.15~0.75 part of aqueous fumed silica,
15~30 parts of titanium dioxide,
0.1~0.5 part of aqueous defoamer,
0.15~0.75 part of aqueous levelling agent,
1~3 part of water-based thickener,
2~8 parts of water-soluble photoinitiator,
0.05~0.3 part of fungicide,
0.05~0.3 part of in-can preservative,
5.5~10.3 parts of deionized water.
In above-mentioned coating, aqueous aliphatic urethane acrylate and aqueous aliphatic polyurethane dispersion be it is main at
Membrane substance has outstanding physical and chemical patience, has good adhesive force to ground, and in the coating, collocation uses particle size
Different aqueous aliphatic urethane acrylates and aqueous aliphatic polyurethane dispersion, improve the coating to kitchen and bath family
The adhesive force of tool keeps coating finer and smoother.
Preferably, the weight ratio of the aqueous dispersion and aqueous fumed silica is 1: 1；The aqueous dispersion is
Block copolymer containing pigment affinity groups, in a kind of embodiment, the aqueous dispersion is BYK 190, in the painting
It mainly better disperses aqueous fumed silica in material, stablizes the viscosity of coating, improve its storage stability；It is described aqueous
Fumed silica uses the WR 8520 of Bi Ke chemistry, is mainly used for adjusting stream of the coating in production, storage and construction
Denaturation, the mobility and thickness of paint film when improving construction；When the mass ratio of the aqueous dispersion and aqueous fumed silica
When being 1: 1, the dispersion effect of the fumed silica is best, and the storage stability of the coating is best.
Preferably, the aqueous defoamer, aqueous levelling agent, the weight ratio of aqueous dispersion are 2: 3: 3；A kind of embodiment party
In formula, the aqueous defoamer is that TEGO Airex 904W, TEGO Airex 904W is free of solvent, has excellent anti-shrinkage cavity
Property, it can prevent the coating from forming bubble and pin hole in stirring and construction；The aqueous levelling agent is TEGO Glide
410, TEGO Glide, 410 efficiency is high, and the mobility and levelability on surface, subtract when can control and improve the coating application
There is shrinkage cavity in few film, can also prevent pigment floating, adjust the smoothness and resistance to scraping of film；The aqueous defoaming
When agent, aqueous levelling agent, aqueous dispersion use said ratio, the dispersion effect of the coating, anti-shrinkage cavity effect are best.
Preferably, the aqueous wetting agent agent is the alkanolamine of acidic polymer；It is described aqueous wet in a kind of embodiment
Profit agent is TEGO Wet 270, is efficient wetting agent, soaks the paint ingredient uniformly, is had to ground good wet
The surface of the relatively rough metal product of lubricant nature, especially surface, can greatly improve coating system to the adhesive force of ground,
And there is excellent nonshrink pore performance, improve the levelability of the coating.
In a kind of embodiment, the titanium dioxide uses R706 titanium dioxide, and R706 titanium dioxide is compared with similar product, had
Better glossiness and weatherability, covering power is strong, easily soaks.
Preferably, the water-based thickener is aqueous non-ionic associative type rheology modifier；It is described in a kind of embodiment
Water-based thickener uses the RM-8W of ROHM AND HAAS, a kind of aqueous non-ionic associative type rheology modifier without oil solvent, in institute
It states and splendid flowing and levelability, uniform filming performance is provided in coating system.
Preferably, the water-soluble photoinitiator is for (2,4,6- trimethylbenzoyl)-diphenyl phosphine oxide and to diformazan
The compound product of the different monooctyl ester of aminobenzoic acid, isooctyl p-dimethylaminobenzoate can neutralize (2,4,6- trimethylbenzoyls
Base)-diphenyl phosphine oxide, it is efficient photoinitiator, there is absorption peak at 393nm, close to the solidification wavelength of the coating, and
And the photolytic product for compounding photoinitiator is trimethylbenzoyl free radical and diphenylphosphine free acyl radical, is all to cause activity very
High free radical, and it is conducive to UV light permeability, excellent in stability improves the surface drying effect of coating.Referring to Fig. 1, Fig. 1 is
After the water-soluble photoinitiator passes through resins dilute, the uv absorption spectra under different quality percentage concentration, as shown,
The water-soluble photoinitiator has strong absorption near 395nm.
Preferably, the fungicide is Kathon, hinders the new of coating microorganism and bacterium
Old metabolism blocks photosynthesis；The in-can preservative is 2-methyl-4-isothiazolin-3-one, is a kind of efficient sterilization
Agent has good effect to the growth for inhibiting microorganism, can inhibit the growth and heredity of microorganism in the coating, destroy it
Cell wall and cell membrane.
In above-mentioned coating, the aqueous aliphatic polyurethane dispersion and the various function of aqueous aliphatic polyurathane emulsion collocation
Energy auxiliary agent synergistic effect, obtained coating application performance is good, has excellent levelability, richness, hardness, yellowing resistance, hides
Gai Liqiang, curing reaction is fast, and solidification energy is low, the external coating suitable for various kitchen and bath's furniture；The coating deionized water
As solvent, the risk that solvent generates VOC is avoided, it is environmentally protective.
A kind of preparation method of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, comprising the following steps:
Firstly, according to the above ratio by aqueous aliphatic urethane acrylate, aqueous aliphatic polyurethane dispersion, water
Property dispersing agent, aqueous wetting agent agent put into reactor respectively, 10~15min is dispersed under the revolving speed of 750~850rpm；
Aqueous fumed silica, R706 titanium dioxide are put into reactor again, is dispersed under the revolving speed of 1200~1500rpm
10~15min；
Inspection by sampling, when fineness≤20 μm, investment aqueous defoamer, aqueous levelling agent, water-based thickener, 1200~
Disperse 10~15min under the revolving speed of 1500rpm；
Inspection by sampling, coating painting scrape on a glass without shrinkage cavity phenomenon after, investment water-soluble photoinitiator, deionized water,
Fungicide, in-can preservative disperse 10~15min under 750~850rpm revolving speed, are uniformly mixed, obtain finished product coating.
Jitter time and rate of dispersion in the preparation process of above-mentioned coating are determined by the ingredient and proportion of the coating
, in 30 DEG C/75 ± 2KU, fineness≤20 μm have good workability the viscosity of the coating prepared by the above method.
The coating finished product prepared by the above method is applied in various kitchen and bath's furniture surfaces, it is solid in the UV LED of 395nm
Change and irradiated under light source, curing rate 25m/min, the hardness of the paint film coating of formation is Chinese pencil hardness 1H, by GB
9286-88S standard is detected, and up to 0 grade, gloss of film degree is high for the adhesive force of coating, have excellent levelability, richness,
Hardness, yellowing resistance, strong covering power.
Embodiment 1
A kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, calculates by weight, comprising:
29 parts of aqueous aliphatic urethane acrylate,
38 parts of aqueous aliphatic polyurethane dispersion,
0.3 part of aqueous dispersion,
0.3 part of aqueous wetting agent agent,
0.3 part of aqueous fumed silica,
20 parts of titanium dioxide,
0.2 part of aqueous defoamer,
0.3 part of aqueous levelling agent,
1.2 parts of water-based thickener,
3.5 parts of water-soluble photoinitiator,
0.1 part of fungicide,
0.1 part of in-can preservative,
6.7 parts of deionized water.
The preparation method of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, comprising:
Firstly, according to the above ratio by aqueous aliphatic urethane acrylate, aqueous aliphatic polyurethane dispersion, water
Property dispersing agent, aqueous wetting agent agent are put into respectively in reactor, disperse 15min under the revolving speed of 800rpm；
Aqueous fumed silica, R706 titanium dioxide are put into reactor again, disperses 12min under the revolving speed of 1200rpm；
Inspection by sampling puts into aqueous defoamer, aqueous levelling agent, water-based thickener, 1500rpm when fineness≤20 μm
Revolving speed under disperse 10min；
Inspection by sampling, coating painting scrape on a glass without shrinkage cavity phenomenon after, investment water-soluble photoinitiator, deionized water,
Fungicide, in-can preservative disperse 10min under 800rpm revolving speed, are uniformly mixed, obtain finished product coating.
In 30 DEG C/75 ± 2KU, fineness≤20 μm have good workability the viscosity of the coating prepared by the above method.By institute
It states coating finished product and is applied in various kitchen and bath's furniture surfaces, irradiated under the UV LED curing light source of 395nm, curing rate 25m/
Min, the hardness of the paint film coating of formation are Chinese pencil hardness 1H, are detected by GB 9286-88S standard, the attachment of coating
For power up to 0 grade, gloss of film degree is high, has excellent levelability, richness, hardness, yellowing resistance, strong covering power.
Embodiment 2
A kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, calculates by weight, comprising:
20 parts of aqueous aliphatic urethane acrylate,
50 parts of aqueous aliphatic polyurethane dispersion,
0.15 part of aqueous dispersion,
0.1 part of aqueous wetting agent agent,
0.15 part of aqueous fumed silica,
15 parts of titanium dioxide,
0.1 part of aqueous defoamer,
0.15 part of aqueous levelling agent,
1.5 parts of water-based thickener,
2.8 parts of water-soluble photoinitiator,
0.3 part of fungicide,
0.05 part of in-can preservative,
5.5 parts of deionized water.
The preparation method of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, comprising:
Firstly, according to the above ratio by aqueous aliphatic urethane acrylate, aqueous aliphatic polyurethane dispersion, water
Property dispersing agent, aqueous wetting agent agent are put into respectively in reactor, disperse 15min under the revolving speed of 750rpm；
Aqueous fumed silica, R706 titanium dioxide are put into reactor again, disperses 10min under the revolving speed of 1500rpm；
Inspection by sampling puts into aqueous defoamer, aqueous levelling agent, water-based thickener, 1300rpm when fineness≤20 μm
Revolving speed under disperse 10min；
Inspection by sampling, coating painting scrape on a glass without shrinkage cavity phenomenon after, investment water-soluble photoinitiator, deionized water,
Fungicide, in-can preservative disperse 15min under 750rpm revolving speed, are uniformly mixed, obtain finished product coating.
In 30 DEG C/75 ± 2KU, fineness≤20 μm have good workability the viscosity of the coating prepared by the above method.By institute
It states coating finished product and is applied in various kitchen and bath's furniture surfaces, irradiated under the UV LED curing light source of 395nm, curing rate 25m/
Min, the hardness of the paint film coating of formation are Chinese pencil hardness 1H, are detected by GB 9286-88S standard, the attachment of coating
For power up to 0 grade, gloss of film degree is high, has excellent levelability, richness, hardness, yellowing resistance, strong covering power.
Embodiment 3
A kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, calculates by weight, comprising:
32 parts of aqueous aliphatic urethane acrylate,
30 parts of aqueous aliphatic polyurethane dispersion,
0.75 part of aqueous dispersion,
0.5 part of aqueous wetting agent agent,
0.75 part of aqueous fumed silica,
24 parts of titanium dioxide,
0.5 part of aqueous defoamer,
0.75 part of aqueous levelling agent,
1 part of water-based thickener,
2 parts of water-soluble photoinitiator,
0.15 part of fungicide,
0.12 part of in-can preservative,
7.2 parts of deionized water.
The preparation method of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, comprising:
Firstly, according to the above ratio by aqueous aliphatic urethane acrylate, aqueous aliphatic polyurethane dispersion, water
Property dispersing agent, aqueous wetting agent agent are put into respectively in reactor, disperse 12min under the revolving speed of 850rpm；
It is put into again into reactor under the revolving speed of aqueous fumed silica, R706 titanium dioxide, 1400rpm and disperses 10min；
Inspection by sampling puts into aqueous defoamer, aqueous levelling agent, water-based thickener, 1500rpm when fineness≤20 μm
Revolving speed under disperse 10min；
Inspection by sampling, coating painting scrape on a glass without shrinkage cavity phenomenon after, investment water-soluble photoinitiator, deionized water,
Fungicide, in-can preservative disperse 12min under 750rpm revolving speed, are uniformly mixed, obtain finished product coating.
In 30 DEG C/75 ± 2KU, fineness≤20 μm have good workability the viscosity of the coating prepared by the above method.By institute
It states coating finished product and is applied in various kitchen and bath's furniture surfaces, irradiated under the UV LED curing light source of 395nm, curing rate 25m/
Min, the hardness of the paint film coating of formation are Chinese pencil hardness 1H, are detected by GB 9286-88S standard, the attachment of coating
For power up to 0 grade, gloss of film degree is high, has excellent levelability, richness, hardness, yellowing resistance, strong covering power.
Embodiment 4
A kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, calculates by weight, comprising:
25 parts of aqueous aliphatic urethane acrylate,
42 parts of aqueous aliphatic polyurethane dispersion,
0.6 part of aqueous dispersion,
0.2 part of aqueous wetting agent agent,
0.6 part of aqueous fumed silica,
30 parts of titanium dioxide,
0.4 part of aqueous defoamer,
0.6 part of aqueous levelling agent,
2 parts of water-based thickener,
4.2 parts of water-soluble photoinitiator,
0.08 part of fungicide,
0.3 part of in-can preservative,
8.6 parts of deionized water.
The preparation method of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, comprising:
Firstly, according to the above ratio by aqueous aliphatic urethane acrylate, aqueous aliphatic polyurethane dispersion, water
Property dispersing agent, aqueous wetting agent agent are put into respectively in reactor, disperse 10min under the revolving speed of 800rpm；
Aqueous fumed silica, R706 titanium dioxide are put into reactor again, disperses 12min under the revolving speed of 1500rpm；
Inspection by sampling puts into aqueous defoamer, aqueous levelling agent, water-based thickener, 1500rpm when fineness≤20 μm
Revolving speed under disperse 15min；
Inspection by sampling, coating painting scrape on a glass without shrinkage cavity phenomenon after, investment water-soluble photoinitiator, deionized water,
Fungicide, in-can preservative disperse 10min under 800rpm revolving speed, are uniformly mixed, obtain finished product coating.
In 30 DEG C/75 ± 2KU, fineness≤20 μm have good workability the viscosity of the coating prepared by the above method.
The coating finished product is applied in various kitchen and bath's furniture surfaces, is irradiated under the UV LED curing light source of 395nm, Gu
Change speed is 25m/min, and the hardness of the paint film coating of formation is Chinese pencil hardness 1H, is examined by GB 9286-88S standard
It surveys, for the adhesive force of coating up to 0 grade, gloss of film degree is high, has excellent levelability, richness, hardness, yellowing resistance, covers
Power is strong.
Embodiment 5
A kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, calculates by weight, comprising:
40 parts of aqueous aliphatic urethane acrylate,
35 parts of aqueous aliphatic polyurethane dispersion,
0.45 part of aqueous dispersion,
0.4 part of aqueous wetting agent agent,
0.45 part of aqueous fumed silica,
18 parts of titanium dioxide,
0.3 part of aqueous defoamer,
0.45 part of aqueous levelling agent,
3 parts of water-based thickener,
8 parts of water-soluble photoinitiator,
0.05 part of fungicide,
0.08 part of in-can preservative,
10.3 parts of deionized water.
The preparation method of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, comprising:
Firstly, according to the above ratio by aqueous aliphatic urethane acrylate, aqueous aliphatic polyurethane dispersion, water
Property dispersing agent, aqueous wetting agent agent are put into respectively in reactor, disperse 15min under the revolving speed of 780rpm；
It is put into again into reactor under the revolving speed of aqueous fumed silica, R706 titanium dioxide, 1400rpm and disperses 12min；
Inspection by sampling puts into aqueous defoamer, aqueous levelling agent, water-based thickener, 1300rpm when fineness≤20 μm
Revolving speed under disperse 13min；
Inspection by sampling, coating painting scrape on a glass without shrinkage cavity phenomenon after, investment water-soluble photoinitiator, deionized water,
Fungicide, in-can preservative disperse 15min under 820rpm revolving speed, are uniformly mixed, obtain finished product coating.
In 30 DEG C/75 ± 2KU, fineness≤20 μm have good workability the viscosity of the coating prepared by the above method.
The coating finished product is applied in various kitchen and bath's furniture surfaces, is irradiated under the UV LED curing light source of 395nm, Gu
Change speed is 25m/min, and the hardness of the paint film coating of formation is Chinese pencil hardness 1H, is examined by GB 9286-88S standard
It surveys, for the adhesive force of coating up to 0 grade, gloss of film degree is high, has excellent levelability, richness, hardness, yellowing resistance, covers
Power is strong.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (8)
1. a kind of UV LED UV-curable waterborne kitchen and bath's coatings for furniture, which is characterized in that calculate by weight, comprising:
20~40 parts of aqueous aliphatic urethane acrylate,
30~50 parts of aqueous aliphatic polyurethane dispersion,
0.15~0.75 part of aqueous dispersion,
0.1~0.5 part of aqueous wetting agent agent,
0.15~0.75 part of aqueous fumed silica,
15~30 parts of titanium dioxide,
0.1~0.5 part of aqueous defoamer,
0.15~0.75 part of aqueous levelling agent,
1~3 part of water-based thickener,
2~8 parts of water-soluble photoinitiator,
0.05~0.3 part of fungicide,
0.05~0.3 part of in-can preservative,
5.5~10.3 parts of deionized water；
The aqueous defoamer, aqueous levelling agent, the weight ratio of aqueous dispersion are 2: 3: 3；
The water-soluble photoinitiator is that (2,4,6- trimethylbenzoyl)-diphenyl phosphine oxide and p-(dimethylamino)-benzoic acid are different
The compound product of monooctyl ester.
2. UV LED UV-curable waterborne kitchen and bath's coatings for furniture according to claim 1, which is characterized in that described aqueous
The weight ratio of dispersing agent and aqueous fumed silica is 1: 1.
3. UV LED UV-curable waterborne kitchen and bath's coatings for furniture according to claim 1, which is characterized in that described aqueous
Dispersing agent is the block copolymer containing pigment affinity groups.
4. UV LED UV-curable waterborne kitchen and bath's coatings for furniture according to claim 1, which is characterized in that described aqueous
Wetting agent is the alkanolamine of acidic polymer.
5. UV LED UV-curable waterborne kitchen and bath's coatings for furniture according to claim 1, which is characterized in that described aqueous
Defoaming agent is TEGO Airex 904W, and the aqueous levelling agent is TEGO Glide 410.
6. UV LED UV-curable waterborne kitchen and bath's coatings for furniture according to claim 1, which is characterized in that described aqueous
Thickener is aqueous non-ionic associative type rheology modifier.
7. UV LED UV-curable waterborne kitchen and bath's coatings for furniture according to claim 1, which is characterized in that the sterilization
Agent is Kathon, and the in-can preservative is 2-methyl-4-isothiazolin-3-one.
8. a kind of preparation side of UV LED UV-curable waterborne kitchen and bath's coatings for furniture as described in any one of claims 1 to 7
Method, which comprises the following steps:
S001. according to the above ratio by aqueous aliphatic urethane acrylate, aqueous aliphatic polyurethane dispersion, aqueous point
Powder, aqueous wetting agent agent are put into reactor respectively, and 10~15min is dispersed under the revolving speed of 750~850rpm；
S002. aqueous fumed silica, R706 titanium dioxide are put into reactor again, lower point of the revolving speed of 1200~1500rpm
Dissipate 10~15min；
S003. inspection by sampling, when fineness≤20 μm, investment aqueous defoamer, aqueous levelling agent, water-based thickener, 1200~
Disperse 10~15min under the revolving speed of 1500rpm；
S004. inspection by sampling, coating painting scrape on a glass without shrinkage cavity phenomenon after, investment water-soluble photoinitiator, deionized water,
Fungicide, in-can preservative disperse 10~15min under 750~850rpm revolving speed, are uniformly mixed, obtain finished product coating.
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