CN108690389A - A kind of LED light curable water-borne wood coating and preparation method thereof - Google Patents
A kind of LED light curable water-borne wood coating and preparation method thereof Download PDFInfo
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- 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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Abstract
The present invention relates to technical field of coatings, specifically disclose a kind of LED light curable water-borne wood coating and preparation method thereof.The aqueous woodware paint specifically includes the component of following parts by weight:95-110 parts of LED acrylic emulsions, carbon nano-tube modification polyphosphazene -2-6 parts of polyethersulfone block copolymer, 3-10 parts of photoinitiator, 1-3 parts of coinitiator, 1-5 parts of water-soluble active monomer, 2-5 parts of Nano silver grain, the bis- benzene pyrazoles yl pyridines-of Ag- are to 0.1-0.5 parts of phenylacetic acid complex, 3-10 parts of delustering agent, 1-7 parts of preservative, 8-20 parts of wetting dispersing agent, 1-6 parts of antifoaming agent, 5-13 parts of thickener, 1-3 parts of coalescents, 0.2-0.5 parts of pH adjusting agent, 6-10 parts of filler, 25-35 parts of 5-10 parts of colorant and deionized water.Aqueous woodware paint prepared by the present invention has higher hardness, good acidproof, alkaline-resisting, ageing-resistant, water resistance, and storage stability is good, and rate of drying is fast, and VOC content is low, and the feature of environmental protection is also improved while improving hardness and corrosion resistance.
Description
Technical field
The present invention relates to technical field of coatings more particularly to a kind of LED light curable water-borne wood coating and preparation method thereof.
Background technology
Aqueous woodware paint is a kind of special coating using water as decentralized medium, it is free of benzene, dimethylbenzene and free toluene
The harmful substances such as diisocyanate are a kind of ecological environment-friendly type coating truly, have environment-protecting and non-poisonous, odorlessness, wave
Send out the advantages that object is few.However, the hardness of paint film of aqueous woodware paint is poor at present, mostly in 1H to 3H, such as:Patent
CN104762012A discloses a kind of environment-friendly type aqueous woodcare paint, and hardness of film is 1H to 2H;Patent CN101838497B is disclosed
A kind of aqueous woodware paint, hardness of film 1H;Patent CN100595245C discloses a kind of acrylic dispersion type water
Property woodenware home decoration paint and its manufacturing method, hardness of paint film is 2H to 3H.It is limited to that its hardness is low, resistance to marring is poor and dry
Speed waits the defect of aspect of performance slowly, and the extensive use of waterborne antibacterial woodcare paint receives prodigious challenge, especially in top grade
Application in furniture is extremely limited.
In recent years, dry aqueous photo-curing technology quick, easy for construction increasingly receives an acclaim, especially terminal furniture
Factory, compared to the aqueous woodware paint of one-component self-drying type, aqueous photo-curing, can be significantly under the premise of not increasing construction cost
Production efficiency is improved, and is not in after-tack.Compared to double-component aqueous wood paint, cost can be reduced, it is easy for construction.Cause
This, aqueous photo-curing technology will be one of emphasis that aqueous woodware paint develops.But photocuring technology is using UV light at present
Curing, and the product of field of furniture generally not specification and volume is bigger, can not general fixed optical curing of UV machine
It is dried.LED (light emitting diode) lamp has the advantages that several compared with mercury lamp:LED light can accomplish that moment is turned on and off, nothing
It needs preheating and temperature fall time, operating efficiency necessary to UV lamp mode to be improved, while energy consumption cost can be saved;In LED light
Ultraviolet lamp and related corollary apparatus closely, are applied without that previous larger mechanical erection space and pipeline
Work, unlike UV lamp is so heavy.In addition, LED light source element service life compared with ultraviolet radiator is about its 12 times, replacing light source frequency
Degree is greatly reduced, and equipment consumption is reduced therewith.Therefore, develop that a kind of hardness is high, safe and non-toxic, easy for construction, paint film property is excellent
Different New LED photocuring aqueous woodware paint has a very important significance.
Invention content
For aqueous woodware paint hardness is low in the prior art, drying time is long, complicated construction technique and work progress are deposited
The security risk the problem of, the present invention provides a kind of LED light curable water-borne wood coating and preparation method thereof.
In order to solve the above technical problems, technical solution provided by the invention is:
A kind of LED light curable water-borne wood coating, the aqueous woodware paint specifically include the component of following parts by weight:
It is 95-110 parts of LED acrylic emulsions, carbon nano-tube modification polyphosphazene -2-6 parts of polyethersulfone block copolymer, compound
3-10 parts of photoinitiator, 1-3 parts of coinitiator, 1-5 parts of water-soluble active monomer, 2-5 parts of Nano silver grain, the bis- benzene pyrazoles of Ag-
Yl pyridines-are to 0.1-0.5 parts of phenylacetic acid complex, 3-10 parts of delustering agent, 1-7 parts of preservative, 8-20 parts of wetting dispersing agent, defoaming
1-6 parts of agent, 5-13 parts of thickener, 1-3 parts of coalescents, 0.2-0.5 parts of pH adjusting agent, 6-10 parts of filler, 5-10 parts of colorant
With 25-35 parts of deionized water.
Compared with prior art, LED light curable water-borne wood coating provided by the invention, the present invention use LED acrylic acid series
Lotion is as matrix resin, and the paint film that can be prepared cures under LED light, and application property is more preferable;Carbon nano-tube modification polyphosphazene-polyethers
Sulfone block copolymer surface, which contains a large amount of functional functional groups, to be cross-linked with each other with matrix resin, and mutually collaboration can be carried significantly
Hardness, toughness and the anti-flammability of high paint film;The bis- benzene pyrazoles yl pyridines-of Ag- can be with matrix resin and carbon to phenylacetic acid complex
Nanotube is modified polyphosphazene-polyethersulfone block crosslinking copolymers, further increases the hardness and weatherability of paint film;Nano silver grain
The antibiotic property and anti-corrosive properties of paint film can be increased with preservative so that the paint film storage stability of preparation is good;In preferred matrix tree
Composite photoinitiator is added in fat, making matrix resin, fast transition forms a film for solid-state in a short time, assigns paint film coating efficiency
High advantage.Coordination with the synthesis acts between each component so that the hardness of the paint film of preparation, scratch resistance, chemical-resistant are excellent
In the performance of the general waterborne UV wood paint of wood furniture in the prior art, and paint film selection is cured in LED light, is hindered to human body
Evil is very small, has the advantages such as low energy consumption, efficient, pollution-free.
Preferably, LED systems acrylic emulsion be polyurethane-acrylate emulsion, organosilicon-modified acrylic emulsion or
At least one of Organic fluoride modified acrylic acid emulsion.
It is furthermore preferred that LED systems acrylic emulsion is organosilicon-modified acrylic emulsion.
The organosilicon-modified acrylic emulsion is by organosiloxane monomer and acrylic ester monomer polymerize
To the emulsion material haveing excellent performance.Organosilicon is the high-molecular organic material containing element silicon in molecule, has organic compound concurrently
It is excellent less than other macromolecules to determine that it has because of its architectural characteristic for the characteristic of object and inorganic compound, silicone molecules
Point, such as low surface tension, special compliance and chemical inertness.Acrylic acid ester emulsion cohesive force is strong, the lotion transparency of formation
Height has good weatherability and ageing-resistant performance, but acrylic acid ester emulsion is temperature sensitive, and organic siliconresin has excellent
High-low temperature resistant performance, just make up the deficiency of acrylic acid ester emulsion.Currently preferred is double bond containing siloxane oligomer
Object is modified acrylic resin, and the organosilicon-modified acrylic emulsion of acquisition has concentrated photocuring, organosilicon and acrylic acid
The advantages of ester resin three, not only has the good film forming of acrylic resin itself, also due to organosilicon energy and inorganic material
In silicone atom form Covalent bonding together, therefore modified paint film and the adhesive force and mechanical strength of inorganic material can be improved,
And since the presence of organosilicon can also reduce the surface tension of paint film so that paint can be rapid osmotic and to spread over wooden fibre
In dimension, wood fibre surface is not remained.
Carbon nano-tube modification polyphosphazene-polyethersulfone block the copolymer is the polyphosphazene by carbon nano-tube modification and is gathered
Ether sulfone two kinds of polymer segment connects together the particular polymer of preparation.Block polymer with specific structure can show with
The different property of the mixture of simple wire-form polymer and many random copolymers even homopolymer.Carbon nanotube is current
Can highest specific strength obtained material, and there is good rigidity and toughness;Polyphosphazene polymer is alternately arranged with P, N atom
A kind of novel inorganic-organic polymer as backbone structure is arranged, with the characteristic that organic polymer hardly matches, is had excellent
Water-fast, solvent resistant, resistance to oils and chemicals energy, the excellent performances such as also there is high temperature resistant, low temperature and do not burn;Polyether sulfone point
The phenyl ring containing rigid radical in the strand of lotion is dissipated, the ehter bond of flexible group forms big conjugation knot with sulfuryl in main chain
Structure, the flexible group in polyether sulfone structure make it have good flexibility and impact resistance, and rigid radical can make it have again
Very high hardness, big conjugated structure keep its stability very strong.Therefore, carbon nano-tube modification polyphosphazene-polyethers that the present invention selects
Sulfone block copolymer has both the advantages of carbon nanotube, polyphosphazene polymer and polyether sulfone lotion three, and it is excellent can to assign paint film
Weatherability, chemical-resistant and toughness, the hardness of paint film can also be significantly improved so that the paint film of preparation has anti-flammability.
In addition to this, the linear molecule chain space steric hindrance of carbon nano-tube modification polyphosphazene-polyethersulfone block copolymer is big, can prevent from filling out
Mutually assemble between material particle, plays certain peptizaiton, a large amount of functional functional groups are contained in molecular structure end can
It is cross-linked with each other with matrix resin, synergistic effect improves the hardness and weatherability of paint film.
Preferably, the photoinitiator includes two kinds of cracking type free radical photo-initiation and hydrogen-abstraction free radical photo-initiation
Photoinitiator.
It is furthermore preferred that the cracking type free radical photo-initiation is 2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholinyls -
The mixture of 1- acetone, 2,4,6- trimethylbenzoy-diphenies phosphine oxide and 1- hydroxycyclohexyl phenyl ketones;It is described to take by force
Hydrogen free radical photo-initiation is the mixture of 2- isopropyl thioxanthones and benzophenone;Wherein 2- methyl-1s-(4- methyl mercaptos
Phenyl) -2- morpholinyl -1- acetone accounts for the 15-25wt% of initiator total amount, the oxidation of 2,4,6- trimethylbenzoy-diphenies
The 15-20wt% of initiator total amount is accounted for, 1- hydroxy-cyclohexyl-phenyl ketones account for the 25-35wt% of initiator total amount, 2- isopropyls
Base thioxanthone accounts for the 10-15wt% of initiator total amount, and benzophenone accounts for the 15-25wt% of initiator total amount.Cracking type light draws
Hair agent can reduce curing reaction rate because of the inhibition of oxygen in air, and hydrogen-capture-type light initiator then can inhibit oxygen
The inhibition of gas forms hydrogen-abstraction and crack type photoinitiator compound in the proper ratio to improve curing reaction rate
Type photoinitiator can both then play synergistic effect and have complementary advantages, may be implemented to fully absorb ultraviolet region 250nm-420nm
It can significantly improve initial light to cause the fully crosslinked solidification of monomer polymerization with visible region 400nm-800nm energy and draw
Send out crosslinking rate.
Preferably, the coinitiator be 4- dimethylamino-benzoic acid ethyl esters, can by and radical photoinitiator
It shares to increase photosensitivity.
Preferably, the water-soluble active monomer be hydroxy-ethyl acrylate, methacrylic acid or pure acrylic acid at least
It is a kind of.The water-soluble active monomer not only plays a part of that regulation system viscosity can be arrived, and can also be participated in film forming procedure
Photopolymerization reaction and form reticular structure, increase substance between the degree of cross linking, to improve the weatherability and richness of paint film.It is excellent
The water-soluble active monomer of choosing will not be evaporate into air, assign system environmental protection characteristic.
The Nano silver grain can improve the hardness of paint film, wearability, rotproofness, antibiotic property and ageing-resistant
Property.
The bis- benzene pyrazoles yl pyridines-of Ag- are to containing big conjugated system, the benzene containing rigid radical in phenylacetic acid complex
The stability and hardness of paint film can be improved in ring, also contains a large amount of NH- and carboxyl, can change with matrix resin and carbon nanotube
Property polyphosphazene-polyethersulfone block copolymer surface hydroxyl and other functional groups crosslinking, improve the hardness and weatherability of paint film.
The bis- benzene pyrazoles yl pyridines-of Ag- are to that can also improve the antibiotic property and inoxidizability of paint film in phenylacetic acid complex.
Preferably, the delustering agent be silica, aluminum stearate, calcium stearate or low molecule thermoplastic resin in extremely
Few one kind.
Preferably, the preservative is the mixture of benzisothiazole-3-ketone and isothiazolinone, wherein the benzo
The ratio of isothiazoline -3- ketone and isothiazolinone is 0.7-1.5:1.Benzisothiazole-3-ketone has inhibition outstanding mould
Growth effect of the microorganisms such as bacterium, algae in organic media, has good biodegradability properties, effect on environment is small, and toxicity is low, makes
With safety, good water solubility, it is considered to be micro- poison, safe and harmless one of green product;Isothiazolinone connects with microorganism
After touch, it promptly can irreversibly inhibit growth, so as to cause the death of microbial cell, kill livestock efficient, degradability is good,
Have the characteristics that not generate that residual, safe operation, compatibility are good, stability is strong, use cost is low;The two is used in combination can be notable
Extend the storage period of aqueous woodware paint.
Preferably, the wetting dispersing agent is nonionic modified derivative of fatty acid, is preferably Germany in specific embodiment
The high Tego-740W of enlightening has remarkable wetting and dispersibility, can improve colouring intensity and pigment storage stability,
Have many advantages, such as without alkylphenol ethoxylate, be free of solvent.
Preferably, the antifoaming agent is polyethers antifoaming agent, such antifoaming agent has good thermal stability and chemistry steady
It is qualitative, stable uneven surface tension can be generated in the foam, controls the foam in entire production process, completely eliminated each
The big vesicle of kind, improves product quality.It is a kind of not only with lasting suds but also with the high effective antifoaming agent of rapid antifoam performance, especially
There is quickly defoaming de-bubble function to small abundant vesicle.The production of De Feng antifoaming agent company is preferably in specific embodiment
DF-1018 antifoaming agent.
Preferably, the thickener is association type polyurethane thickener, embodies preferably Germany BYK425 increasings in embodiment
Thick dose, compared with similar products, which is free of VOC, does not influence gloss, can generate pseudoplastic behavior flowing, can improve paint film
Sag resistance, improve while increasing product viscosity and bin stability and reduce sedimentation.
Preferably, the coalescents are one kind in ethylene glycol monomethyl ether, dipropylene glycol methyl ether or propylene glycol monomethyl ether.
Preferably, the pH adjusting agent is AMP-95, and chemical name is 2-amino-2-methyl-1-propanol, is a kind of more work(
Energy amine auxiliary agent, can assign paint film excellent pH stability, also have the function of wetting, dispersion, with stability is good, is not easy Huang
The advantages of change, small toxicity, belong to the conditioning agent of environment-friendly type.The multifunctional assistant of preferred Dow chemical industry in specific embodiment
AMP-95。
Preferably, the filler be titanium dioxide, calcium carbonate, barium sulfate, silica flour, kaolin, bentonite, sodium carbonate or
At least one of potassium carbonate.
The colorant can be selected according to actual needs.
The above components interact, and complement each other, final that the aqueous woodware paint prepared is made to have higher hardness, good
Good acidproof, alkaline-resisting, ageing-resistant, water resistance, and storage stability is good, rate of drying is fast, and VOC content is low, non-stimulated smell,
The feature of environmental protection is substantially increased while improving hardness and corrosion resistance.
The present invention also provides a kind of preparation methods of the preparation method of LED light curable water-borne wood coating, including following step
Suddenly:
Step a weighs each component by above-mentioned design proportioning;By LED acrylic emulsions, photoinitiator, coinitiator,
40-60wt% deionized waters, coalescents, delustering agent, water-soluble active monomer and filler are dispersed with stirring uniformly, obtain slurry;
Step b changes phenylacetic acid complex, carbon nanotube the Nano silver grain weighed, the bis- benzene pyrazoles yl pyridines-of Ag-
Property polyphosphazene-polyethersulfone block copolymer, wetting dispersing agent, antifoaming agent, thickener, preservative, coalescents are in stirring condition
Lower to be added in the slurry, rotating speed control obtains LED light curable water-borne wood in 800~1600r/min, 40~50min of mixing time
Device varnish;
The pH adjusting agent weighed is added into remaining deionized water, stirs evenly by step c, rotating speed control 800~
1600r/min, 40~50min of mixing time, then the high speed dispersion under 1600~2000r/min rotating speeds, obtains fineness≤30 μm
Mill base;Under agitation, the LED light curable water-borne woodenware lacquer is added into the mill base, stirs evenly, obtains LED
Photocuring aqueous wooden ware white paint;
Step d is added a pigment in the LED light curable water-borne woodenware white paint and is stirred evenly, and rotating speed is controlled 800
~1600r/min, 40~50min of mixing time obtain LED light curable water-borne wood coating.
In above-mentioned technical proposal, the preparation method is easy to operate, it is convenient, at low cost to prepare, is suitable for the big rule of industrialization
Mould produces, and the aqueous woodware paint prepared can carry out photocuring by LED light, substantially increase coating efficiency.And the water prepared
Property woodcare paint is sprayable on various furniture, and solving traditional fixed optical curing of UV machine can not be common on various specifications furniture
Aqueous woodware paint photocuring the problem of, greatly expand the use scope of photocuring woodcare paint.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
The embodiment of the present invention provides a kind of LED light curable water-borne wood coating, and the woodcare paint specifically includes following parts by weight
Component:
95 parts of polyurethane-acrylate emulsion, carbon nano-tube modification polyphosphazene -2 parts of polyethersulfone block copolymer, complex light
8 parts of initiator, 2 parts of 4- dimethylamino-benzoic acids ethyl ester, 1 part of water-soluble active monomer, 4 parts of Nano silver grain, the bis- benzene pyrroles of Ag-
Oxazolyl pyridine-is to 0.5 part of phenylacetic acid complex, 10 parts of delustering agent, 5 parts of preservative, 8 parts of wetting dispersing agent, 4 parts of antifoaming agent, increasing
Thick dose 13 parts, 2 parts of coalescents, 0.2 part of pH adjusting agent, 8 parts of filler, 8 parts of colorant, 25 parts of deionized water.
Wherein composite photoinitiator is:It is total that 2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholinyl -1- acetone accounts for initiator
17wt% is measured, 2,4,6- trimethylbenzoy-diphenies aoxidize the 20wt% for accounting for initiator total amount, 1- hydroxy-cyciohexyls-benzene
Base ketone accounts for the 30wt% of initiator total amount, and 2- isopropyl thioxanthones account for the 10wt% of initiator total amount, and benzophenone, which accounts for, to be drawn
Send out the 23wt% of agent total amount.Water-soluble active monomer is methacrylic acid.Delustering agent is the mixing of silica and calcium stearate
The ratio of object, silica and calcium stearate is 1:1;Preservative is the mixing of benzisothiazole-3-ketone and isothiazolinone
The ratio of object, benzisothiazole-3-ketone and isothiazolinone is 0.7:1;Coalescents are ethylene glycol monomethyl ether;The filler is
Kaolin, bentonitic mixture, kaolin, bentonitic ratio are 1:1.Organosilicon-modified acrylic emulsion is that Shanghai shakes continent
The A98 modified acrylic acid emulsions of Chemical Group production, wetting dispersing agent are the high Tego-740W of German enlightening, and antifoaming agent is that moral is rich
The DF-1018 antifoaming agent of antifoaming agent company production, thickener are Germany's BYK425 thickeners, and pH adjusts agent as Dow chemical industry
Multifunctional assistant AMP-95, colorant be metal and stone spy ks-903.
The preparation method of the carbon nano-tube modification polyphosphazene-polyethersulfone block copolymer is:
(1) in 300mL round-bottomed flasks, 0.44g hexachlorocyclotriph,sphazenes and 4,4 '-dihydroxydiphenylsulisomers of 0.98g are dissolved
In 190mL acetonitriles, 1.5mL triethylamines are then added, is placed in 50 DEG C of ultrasonic water baths and reacts 10h, after reaction, centrifugation removes
Solvent is removed, washed product is distinguished 5 times with deionized water and acetone, is finally dried in vacuo at 50 DEG C and obtains white polyphosphazene for 24 hours
Powder;
(2) under nitrogen protection, it is added to being connected in the there-necked flask of mechanical agitation, air inlet pipe, water-taker and condenser pipe
White polyphosphazene powder, 4.25g diallyls bisphenol S, 3.811g 4,4 '-difluorodiphenyls sulfone obtained by 1.23g above-mentioned steps (1),
30mL sulfolane, 2.6g potassium carbonate, 20ml toluene, 140 DEG C of reflux increase temperature, steam toluene, system temperature after water 4h
It rises to 165 DEG C, reacts 20h, reaction product is transferred in water, obtains a shaped polymer, by obtained shaped polymer with smashing to pieces
Machine is smashed to pieces, then obtains polyphosphazene-polyethersulfone block with 50 DEG C of drying 20h in vacuum drying oven after distilled water boiling washing 5 times, are placed on
Copolymer;
(3) in 250mL round-bottomed flasks, polyphosphazene-polyethersulfone block copolymer obtained by above-mentioned steps (2) is sequentially added
10g, graphene oxide 1g, carbon nanotube 2.5g, dimethyl sulfoxide (DMSO) 150mL, acetic acid 1mL, silane resin acceptor kh-550 2g and
Silane coupling agent KH-560 5g, system temperature rise to 50 DEG C, react 6h, and reaction product is transferred in water, obtains fluffy solid,
The fluffy solid is washed respectively 5 times, 20h is finally dried in vacuo at 50 DEG C obtains the carbon nanotube with deionized water and ethyl alcohol
Modified polyphosphazene-polyethersulfone block copolymer.
The bis- benzene pyrazoles yl pyridines-of the Ag- are to the preparation method of phenylacetic acid complex:
By 0.1mmol AgNO3, (5- phenyl -1H- pyrazole-3-yls) pyridines of 0.05mmol 2,6- bis- and 0.3mmol be to benzene
Acetic acid is dissolved in 15mL H2In the mixed solution of O and 5mL DMF.It is stirred at room temperature after 1h with tert-butylamine tune pH value 5.6, and persistently stirs
After mixing 5h, mixed solution is transferred in the stainless steel cauldron with polytetrafluoroethyllining lining, is added with rotation in 150 DEG C of baking ovens
For 24 hours, removal is cooled to room temperature heat, and product after drying at room temperature, obtains the bis- benzene pyrazoles yl pyridines-of Ag- through filtering and distilling water washing
To phenylacetic acid complex crystal.
Aqueous woodware paint is prepared by the following method:
Step a weighs each component by design proportioning;By organosilicon-modified acrylic emulsion, photoinitiator, cause altogether
Agent, 40-60wt% deionized waters, coalescents, delustering agent, water-soluble active monomer and filler are dispersed with stirring uniformly, obtain slurry;
Step b changes phenylacetic acid complex, carbon nanotube the Nano silver grain weighed, the bis- benzene pyrazoles yl pyridines-of Ag-
Property polyphosphazene-polyethersulfone block copolymer, wetting dispersing agent, antifoaming agent, thickener, preservative, coalescents are in stirring condition
Lower to be added in the slurry, rotating speed is controlled in 800r/min, mixing time 40min, obtains LED light curable water-borne woodenware lacquer;
The pH adjusting agent weighed is added into remaining deionized water, stirs evenly by step c, and rotating speed is controlled in 800r/
Min, mixing time 40min, then the high speed dispersion under 1600r/min rotating speeds, obtains the mill base of fineness≤30 μm;In stirring condition
Under, the LED light curable water-borne woodenware lacquer is added into the mill base, stirs evenly, obtains LED light curable water-borne woodenware white
Paint;
Step d is added a pigment in the LED light curable water-borne woodenware white paint and is stirred evenly, and rotating speed control exists
800r/min, mixing time 40min obtain LED light curable water-borne wood coating.
Embodiment 2
The embodiment of the present invention provides a kind of LED light curable water-borne wood coating, and the woodcare paint specifically includes following parts by weight
Component:
It is 100 parts of organosilicon-modified acrylic emulsion, carbon nano-tube modification polyphosphazene -5 parts of polyethersulfone block copolymer, compound
6 parts of photoinitiator, 2 parts of 4- dimethylamino-benzoic acids ethyl ester, 3 parts of water-soluble active monomer, 5 parts of Nano silver grain, the bis- benzene of Ag-
Pyrazoles yl pyridines-to 0.2 part of phenylacetic acid complex, 6 parts of delustering agent, 3 parts of preservative, 13 parts of wetting dispersing agent, 6 parts of antifoaming agent,
8 parts of thickener, 2 parts of coalescents, 0.4 part of pH adjusting agent, 7 parts of filler, 6 parts of colorant, 30 parts of deionized water.
Wherein composite photoinitiator is:It is total that 2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholinyl -1- acetone accounts for initiator
15wt%, 2,4,6- trimethylbenzoy-diphenies aoxidize the 18wt% for accounting for initiator total amount, 1- hydroxy-cyclohexyl-phenyls
Ketone accounts for the 29wt% of initiator total amount, and 2- isopropyl thioxanthones account for the 13wt% of initiator total amount, and benzophenone accounts for initiation
The 25wt% of agent total amount;Water-soluble active monomer is hydroxy-ethyl acrylate;Delustering agent is aluminum stearate;Preservative is benzisothia
The ratio of the mixture of oxazoline -3- ketone and isothiazolinone, benzisothiazole-3-ketone and isothiazolinone is 1:1;Film forming helps
Agent be ethylene glycol monomethyl ether, dipropylene glycol methyl ether mixture, ethylene glycol monomethyl ether, the ratio of dipropylene glycol methyl ether be 3:1;It is described to fill out
Material be barium sulfate, silica flour mixture, barium sulfate, silica flour ratio be 2:3.Polyurethane-acrylate emulsion is to have row shark
The SY8906 of fish Science and Technology Ltd. production, wetting dispersing agent are the high Tego-740W of German enlightening, and antifoaming agent is the rich antifoaming agent of moral
The DF-1018 antifoaming agent of company's production, thickener are Germany's BYK425 thickeners, and pH adjustment agent is more work(of Dow chemical industry
Energy auxiliary agent A MP-95, colorant are the ks-903 of metal and stone spy.
The carbon nano-tube modification polyphosphazene-the bis- benzene pyrazoles yl pyridines of polyethersulfone block copolymer, Ag--matches phenylacetic acid
The preparation method for closing object is same as Example 1.
Aqueous woodware paint is prepared by the following method:
Step a weighs each component by design proportioning;By organosilicon-modified acrylic emulsion, photoinitiator, cause altogether
Agent, 40-60wt% deionized waters, coalescents, delustering agent, water-soluble active monomer and filler are dispersed with stirring uniformly, obtain slurry;
Step b changes phenylacetic acid complex, carbon nanotube the Nano silver grain weighed, the bis- benzene pyrazoles yl pyridines-of Ag-
Property polyphosphazene-polyethersulfone block copolymer, wetting dispersing agent, antifoaming agent, thickener, preservative, coalescents are in stirring condition
Lower to be added in the slurry, rotating speed is controlled in 1200r/min, mixing time 45min, obtains LED light curable water-borne woodenware lacquer;
The pH adjusting agent weighed is added into remaining deionized water, stirs evenly by step c, and rotating speed is controlled in 1200r/
Min, mixing time 45min, then the high speed dispersion under 1800r/min rotating speeds, obtains the mill base of fineness≤30 μm;In stirring condition
Under, the LED light curable water-borne woodenware lacquer is added into the mill base, stirs evenly, obtains LED light curable water-borne woodenware white
Paint;
Step d is added a pigment in the LED light curable water-borne woodenware white paint and is stirred evenly, and rotating speed control exists
1200r/min, mixing time 45min obtain LED light curable water-borne wood coating.
Embodiment 3
The embodiment of the present invention provides a kind of LED light curable water-borne wood coating, and the woodcare paint specifically includes following parts by weight
Component:
It is 110 parts of Organic fluoride modified acrylic acid emulsion, carbon nano-tube modification polyphosphazene -4 parts of polyethersulfone block copolymer, compound
5 parts of photoinitiator, 1 part of 4- dimethylamino-benzoic acids ethyl ester, 2 parts of water-soluble active monomer, 2 parts of Nano silver grain, the bis- benzene of Ag-
Pyrazoles yl pyridines-to 0.3 part of phenylacetic acid complex, 8 parts of delustering agent, 1 part of preservative, 20 parts of wetting dispersing agent, 1 part of antifoaming agent,
5 parts of thickener, 3 parts of coalescents, 0.4 part of pH adjusting agent, 6 parts of filler, 5 parts of colorant, 28 parts of deionized water.
Wherein composite photoinitiator is:It is total that 2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholinyl -1- acetone accounts for initiator
25wt% is measured, 2,4,6- trimethylbenzoy-diphenies aoxidize the 18wt% for accounting for initiator total amount, 1- hydroxy-cyciohexyls-benzene
Base ketone accounts for the 27wt% of initiator total amount, and 2- isopropyl thioxanthones account for the 13wt% of initiator total amount, and benzophenone, which accounts for, to be drawn
Send out the 17wt% of agent total amount.Water-soluble active monomer is the mixture of hydroxy-ethyl acrylate and pure acrylic acid, hydroxy-ethyl acrylate
Ratio with pure acrylic acid is 1:2;Delustering agent is low molecule thermoplastic resin;Preservative is benzisothiazole-3-ketone and different
The ratio of the mixture of thiazolinone, benzisothiazole-3-ketone and isothiazolinone is 1.5:1;Coalescents are dipropyl two
The ratio of the mixture of alcohol methyl ether or propylene glycol monomethyl ether, dipropylene glycol methyl ether or propylene glycol monomethyl ether is 3:1;The filler is dioxy
Change titanium, calcium carbonate mixture, titanium dioxide, calcium carbonate ratio be 3:2.Organic fluoride modified acrylic acid emulsion is normal brightness chemical industry
The LS-WBR7717W of production, wetting dispersing agent are the high Tego-740W of German enlightening, and antifoaming agent produces for De Feng antifoaming agent company
DF-1018 antifoaming agent, thickener be Germany BYK425 thickeners, pH adjust agent for Dow chemical industry multifunctional assistant
AMP-95, colorant are the ks-903 of metal and stone spy.
The carbon nano-tube modification polyphosphazene-the bis- benzene pyrazoles yl pyridines of polyethersulfone block copolymer, Ag--matches phenylacetic acid
The preparation method for closing object is same as Example 1.
Aqueous woodware paint is prepared by the following method:
Step a weighs each component by design proportioning;By organosilicon-modified acrylic emulsion, photoinitiator, cause altogether
Agent, 40-60wt% deionized waters, coalescents, delustering agent, water-soluble active monomer and filler are dispersed with stirring uniformly, obtain slurry;
Step b changes phenylacetic acid complex, carbon nanotube the Nano silver grain weighed, the bis- benzene pyrazoles yl pyridines-of Ag-
Property polyphosphazene-polyethersulfone block copolymer, wetting dispersing agent, antifoaming agent, thickener, preservative, coalescents are in stirring condition
Lower to be added in the slurry, rotating speed is controlled in 1600r/min, mixing time 50min, obtains LED light curable water-borne woodenware lacquer;
The pH adjusting agent weighed is added into remaining deionized water, stirs evenly by step c, and rotating speed is controlled in 1600r/
Min, mixing time 50min, then the high speed dispersion under 2000r/min rotating speeds, obtains the mill base of fineness≤30 μm;In stirring condition
Under, the LED light curable water-borne woodenware lacquer is added into the mill base, stirs evenly, obtains LED light curable water-borne woodenware white
Paint;
Step d is added a pigment in the LED light curable water-borne woodenware white paint and is stirred evenly, and rotating speed control exists
1600r/min, mixing time 50min obtain LED light curable water-borne wood coating.
Embodiment 4
The embodiment of the present invention provides a kind of LED light curable water-borne wood coating, and the woodcare paint specifically includes following parts by weight
Component:
105 parts of LED acrylic emulsions, carbon nano-tube modification polyphosphazene -6 parts of polyethersulfone block copolymer, complex light are drawn
Send out 4 parts of agent, 3 parts of 4- dimethylamino-benzoic acids ethyl ester, 5 parts of water-soluble active monomer, 3 parts of Nano silver grain, the bis- benzene pyrazoles of Ag-
Yl pyridines-are to 0.1 part of phenylacetic acid complex, 3 parts of delustering agent, 7 parts of preservative, 16 parts of wetting dispersing agent, 3 parts of antifoaming agent, thickening
10 parts of agent, 1 part of coalescents, 0.5 part of pH adjusting agent, 10 parts of filler, 10 parts of colorant, 35 parts of deionized water.
Wherein, the LED acrylic emulsions are organosilicon-modified acrylic emulsion, Organic fluoride modified acrylic acid emulsion
Mixture, organosilicon-modified acrylic emulsion, Organic fluoride modified acrylic acid emulsion ratio be 1:1;The composite photoinitiator
For:2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholinyl -1- acetone accounts for initiator total amount 20wt%, 2,4,6- trimethylbenzene first
Acyl group-diphenyl oxidation accounts for the 15wt% of initiator total amount, and 1- hydroxy-cyclohexyl-phenyl ketones account for initiator total amount
35wt%, 2- isopropyl thioxanthone account for the 15wt% of initiator total amount, and benzophenone accounts for the 15wt% of initiator total amount.It is water-soluble
Property activated monomer be hydroxy-ethyl acrylate, methacrylic acid and pure acrylic acid mixture, hydroxy-ethyl acrylate, methacrylic acid
Ratio with pure acrylic acid is 1:1:2;Delustering agent is the mixture of aluminum stearate and calcium stearate, aluminum stearate and calcium stearate
Ratio be 2:1;Preservative be benzisothiazole-3-ketone and isothiazolinone mixture, benzisothiazole-3-ketone and
The ratio of isothiazolinone is 1:1;Coalescents are ethylene glycol monomethyl ether, dipropylene glycol methyl ether or propylene glycol monomethyl ether, ethylene glycol first
The ratio of ether, dipropylene glycol methyl ether or propylene glycol monomethyl ether is 1:1:1;The filler is the mixture of sodium carbonate, potassium carbonate, carbonic acid
Sodium, potassium carbonate ratio be 1:2.Organosilicon-modified acrylic emulsion is that Shanghai shakes the A98 modified propylenes of continent Chemical Group production
Yogurt liquid, Organic fluoride modified acrylic acid emulsion are the LS-WBR7717W of normal brightness Chemical Manufacture, and wetting dispersing agent is that German enlightening is high
Tego-740W, antifoaming agent are the DF-1018 antifoaming agent of De Feng antifoaming agent company production, and thickener is Germany's BYK425 thickeners,
PH adjusts agent as the multifunctional assistant AMP-95 of Dow chemical industry, and colorant is the ks-903 of metal and stone spy.
The carbon nano-tube modification polyphosphazene-the bis- benzene pyrazoles yl pyridines of polyethersulfone block copolymer, Ag--matches phenylacetic acid
The preparation method for closing object is same as Example 1.
Aqueous woodware paint preparation method is same as Example 3.
By being tested for the property according to national standards to the LED light curable water-borne wood coating in the above various embodiments, paint
Film cure times are 10s, and test result is shown in Table 1.
The performance test results of aqueous woodware paint prepared by 1 embodiment 1-4 of table
The LED light curable water-borne wood coating that it can be seen from the result of table 1 prepared by each embodiment, hardness, adhesive force,
Stability, weatherability, anti-flammability, antibiotic property are good, and VOC content is low, drying time is short.The above test result explanation, is pressed
According to the raw material proportioning and preparation method in the embodiment of the present invention, can be made hardness is high, VOC content is low and antiseptic property is excellent,
Drying time short LED light curable water-borne wood coating.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of LED light curable water-borne wood coating, which is characterized in that the aqueous woodware paint specifically includes the group of following parts by weight
Point:
95-110 parts of LED acrylic emulsions, carbon nano-tube modification polyphosphazene -2-6 parts of polyethersulfone block copolymer, photoinitiator
3-10 parts, 1-3 parts of coinitiator, 1-5 parts of water-soluble active monomer, 2-5 parts of Nano silver grain, the bis- benzene pyrazoles yl pyridines-of Ag- it is right
0.1-0.5 parts of phenylacetic acid complex, 3-10 parts of delustering agent, 1-7 parts of preservative, 8-20 parts of wetting dispersing agent, 1-6 parts of antifoaming agent,
5-13 parts of thickener, 1-3 parts of coalescents, 0.2-0.5 parts of pH adjusting agent, 6-10 parts of filler, 5-10 parts of colorant and deionization
25-35 parts of water.
2. LED light curable water-borne wood coating as described in claim 1, which is characterized in that LED systems acrylic emulsion is poly-
At least one of urethane acrylate lotion, organosilicon-modified acrylic emulsion or Organic fluoride modified acrylic acid emulsion.
3. LED light curable water-borne wood coating as described in claim 1, which is characterized in that the photoinitiator includes cracking type
Two kinds of photoinitiators of free radical photo-initiation and hydrogen-abstraction free radical photo-initiation.
4. LED light curable water-borne wood coating as claimed in claim 2, which is characterized in that the cracking type free radical is light-initiated
Agent is 2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholinyl -1- acetone, 2,4,6- trimethylbenzoy-dipheny phosphine oxides
With the mixture of 1- hydroxycyclohexyl phenyl ketones;The hydrogen-abstraction free radical photo-initiation is 2- isopropyl thioxanthones and two
The mixture of Benzophenone;Wherein 2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholinyl -1- acetone accounts for the 15- of initiator total amount
25wt%, 2,4,6- trimethylbenzoy-diphenies aoxidize the 15-20wt% for accounting for initiator total amount, 1- hydroxy-cyciohexyls-
Phenyl ketone accounts for the 25-35wt% of initiator total amount, and 2- isopropyl thioxanthones account for the 10-15wt% of initiator total amount, hexichol
Ketone accounts for the 15-25wt% of initiator total amount.
5. LED light curable water-borne wood coating as described in claim 1, which is characterized in that the coinitiator is 4- diformazan ammonia
Base-ethyl benzoate;And/or
The water-soluble active monomer is at least one of hydroxy-ethyl acrylate, methacrylic acid or pure acrylic acid;And/or
The delustering agent is at least one of silica, aluminum stearate, calcium stearate or low molecule thermoplastic resin.
6. LED light curable water-borne wood coating as described in any one of claims 1-3, which is characterized in that the preservative is benzene
And the mixture of isothiazoline -3- ketone and isothiazolinone, wherein the ratio of the benzisothiazole-3-ketone and isothiazolinone
Example is 0.7-1.5:1;And/or
The wetting dispersing agent is nonionic modified derivative of fatty acid.
7. LED light curable water-borne wood coating as described in claim 1, which is characterized in that the antifoaming agent defoams for polyethers
Agent;And/or
The thickener is association type polyurethane thickener.
8. LED light curable water-borne wood coating as described in claim 1, which is characterized in that the coalescents are ethylene glycol first
One kind in ether, dipropylene glycol methyl ether or propylene glycol monomethyl ether.
9. LED light curable water-borne wood coating as described in claim 1, which is characterized in that the pH adjusting agent is AMP-95;
And/or
The filler be titanium dioxide, calcium carbonate, barium sulfate, silica flour, kaolin, bentonite, sodium carbonate or potassium carbonate in extremely
Few one kind.
10. a kind of preparation method of LED light curable water-borne wood coating, which is characterized in that include the following steps:
Step a weighs each component by claim 1 design proportioning;By LED acrylic emulsions, photoinitiator, coinitiator,
40-60wt% deionized waters, coalescents, delustering agent, water-soluble active monomer and filler are dispersed with stirring uniformly, obtain slurry;
Step b gathers phenylacetic acid complex, carbon nano-tube modification the Nano silver grain weighed, the bis- benzene pyrazoles yl pyridines-of Ag-
Phosphonitrile-polyethersulfone block copolymer, wetting dispersing agent, antifoaming agent, thickener, preservative, coalescents add under agitation
Enter in the slurry, rotating speed is controlled in 800~1600r/min, 40~50min of mixing time, and it is clear to obtain LED light curable water-borne woodenware
Paint;
The pH adjusting agent weighed is added into remaining deionized water, stirs evenly by step c, and rotating speed is controlled in 800~1600r/
Min, 40~50min of mixing time, then the high speed dispersion under 1600~2000r/min rotating speeds, obtains the mill base of fineness≤30 μm;
Under agitation, the LED light curable water-borne woodenware lacquer is added into the mill base, stirs evenly, obtains LED light solidification water
Property woodenware white paint;
Step d is added a colorant into the LED light curable water-borne woodenware white paint and is stirred evenly, rotating speed control 800~
1600r/min, 40~50min of mixing time obtain LED light curable water-borne wood coating.
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| CN112778811A (en) * | 2020-12-31 | 2021-05-11 | 上海君子兰新材料股份有限公司 | Environment-friendly wood paint and preparation method thereof |
| CN114395306A (en) * | 2022-01-20 | 2022-04-26 | 安徽中紫智涂科技有限公司 | Water-based UV (ultraviolet) photocuring woodware coating, photocuring method and application |
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Application publication date: 20181023 |