CN108178979B - Quick self-drying type spraying UV paint - Google Patents
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- CN108178979B CN108178979B CN201711460944.7A CN201711460944A CN108178979B CN 108178979 B CN108178979 B CN 108178979B CN 201711460944 A CN201711460944 A CN 201711460944A CN 108178979 B CN108178979 B CN 108178979B
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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
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
- C08K2003/3036—Sulfides of zinc
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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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a quick self-drying spray UV paint which is prepared by mixing a plurality of raw materials; the raw materials include: 10-80 parts of polyurethane modified acrylic resin emulsion, 0.1-3 parts of emulsifier, 0.1-3 parts of defoaming agent, 0.1-2 parts of flatting agent, 0.1-2 parts of accelerator, 1-8 parts of film-forming assistant, 0.1-3 parts of wetting agent, 0.1-3 parts of dispersing agent, 0.1-3 parts of thickening agent, 0.1-1 part of photoinitiator, 8-15 parts of pigment, 200 parts of deionized water and 10-50 parts of cosolvent; the invention also provides a preparation method for preparing the quick self-drying spray UV paint. The UV paint provided by the invention has the advantages that the hardness is improved under the condition of adding a small amount of photoinitiator, so that the hidden danger of environmental pollution is reduced, the production cost is reduced, in addition, the initiator with a certain content is added, the drying speed of a paint film can be accelerated, the effect of quick film forming is achieved, the heat resistance of the VU paint is improved, the content of the used organic solvent is small, and the environmental protection property is higher.
Description
Technical Field
The invention belongs to the field of chemical industry, and particularly relates to quick self-drying spray UV paint and a preparation method thereof.
Technical Field
The paint used for a long time in the furniture and building material woodware industry is mainly a traditional solvent-based paint, the solvent-based paint has a large smell and long drying time; the traditional solvent-based coating is constructed by spraying, the coating film is thin, the utilization rate of paint is low by 50 percent, and the effect can be achieved only by coating and coating for many times when the rest sprayed coating can not cover the surface of a workpiece; low efficiency, high cost, environmental pollution and influence on the health of constructors; and the traditional solvent-based paint contains flammable organic volatile solvents such as toluene, acetone, ethyl acetate curing agent and other flammable and explosive dangerous goods; and the flammable organic solvents are very easy to bring fire hazard to manufacturing enterprises.
A novel photocureable coating, namely a UV (Ultraviolet) coating, is called Ultraviolet photocureable Paint, and is also called a photoinitiated coating, under the irradiation of Ultraviolet light (wavelength of 320-390nm), a photoinitiator absorbs UV energy and then is excited to cause the breakage of molecules to form free radicals or cations, so that the chemical reaction of unsaturated double-bond substances in the coating is initiated, and the coating is cured into a film, and has the advantages that: environmental protection, good hardness, high efficiency, low coating cost, stable color and luster and full paint film.
However, the viscosity of the existing UV coating is high, and the UV coating is only suitable for roll coating or curtain coating, because the viscosity of the UV monomer is high, the viscosity can not be reduced to the viscosity capable of being sprayed only by adding the UV monomer, and if the UV monomer is used for spraying, a volatile organic solvent is required to be added to reduce the viscosity so as to spray the UV monomer; however, if a volatile organic solvent is added into the UV coating, the problem of VOC is generated, which relatively causes environmental damage, and the production efficiency is affected because the light curing is performed after the organic solvent is completely volatilized after the coating; if heating is carried out to accelerate the volatilization of the organic solvent, energy is wasted, the curing speed of the UV paint is high, the surface drying is achieved within a very short time through ultraviolet irradiation, when a coating film is changed from a wet film to a dry film, the shrinkage rate is large, the internal stress is relatively large, and the adhesiveness between coatings is poor; and the construction of the UV paint needs ultraviolet light curing equipment and is only suitable for the construction of plates such as flat plates, so that the flexibility is low and the UV paint is not suitable for irregular surfaces such as corners.
For example, Chinese patent application 2010101478597 discloses a preparation and application method of an aqueous UV light-cured woodware paint, and provides an aqueous UV paint, which comprises 55-65 parts of aqueous acrylate emulsion, 1-1.5 parts of photoinitiator, 10-15 parts of filler, 2-3 parts of thickener, 2-5 parts of auxiliary agent, 8-10 parts of isopropanol and 10-15 parts of deionized water, and is prepared by the method provided by the invention, but the application method comprises the steps of coating on a woodware substrate, advecting at 60-65 ℃, baking, and passing UV light source irradiation, so that the application limitation is large, and the drying requires baking, and manpower and resources are wasted.
In view of the fact that UV paints are not suitable for spraying, those skilled in the art have developed, with certain modifications, UV paints suitable for spraying.
For example, Chinese patent application 2016112053920 discloses a novel electrostatic spraying water-based UV white paint and a preparation method thereof, the UV paint prepared by the invention can be sprayed, so that the limitation of the use of the UV paint in the aspect of life and production is solved, but the UV paint prepared by the invention also has the defects of slow drying and inconvenience for quick film forming, and in order to quickly form and dry the produced UV paint, the self-drying paint is invented.
The self-drying paint is a special paint which can form a film and is firmly attached, has good rheological property and can be cured by air within 10-20 minutes without being heated and dried, however, as one kind of paint for coating equipment, the existing self-drying paint usually brings harm to the environment, and the water vapor of an organic solvent in the self-drying paint can stimulate eye mucosa to cause tearing. If the organic solvent water in the self-drying paint contacts with the skin, the skin grease can be dissolved and permeates into tissues, the physiological function is disturbed, and dehydration is carried out, so that the skin is cracked and infected with dirt and bacteria.
The self-drying paint used in the current market contains a large amount of organic solvents, the addition amount of the organic solvents is large, the environmental protection and the human health are not facilitated, a certain amount of preservatives are added into the produced self-drying paint for preventing deterioration, and the quality of the paint can be influenced to a certain extent by the addition of the preservatives.
For example, Chinese patent 2016109891424 discloses a water-based self-drying paint special for automobile parts, which has good gloss, plump paint film, high hardness and good salt fog resistance; however, the formula of the paint contains a certain amount of preservative, and the addition of the preservative can affect the stability of the paint to a certain extent, so that the paint is obviously layered in a short time, and the use is affected.
Disclosure of Invention
In order to solve the problems, the invention provides the quick self-drying UV paint which does not contain preservatives, has high stability, is not easy to delaminate and deteriorate after being placed for a long time, has low production cost, good hardness and strong scratch resistance, and is suitable for spraying.
A quick self-drying spray UV paint comprises the following components in parts by weight:
preferably, the quick self-drying spray UV paint comprises the following components in parts by weight:
further preferably, the quick self-drying spray UV paint comprises the following components in parts by weight:
the quick self-drying spray UV paint provided by the invention also contains a certain amount of quick-drying agent, and the quick-drying agent is an organic metal compound.
In the quick self-drying spray UV paint provided by the invention, the cosolvent is a nontoxic volatile alcohol substance and can be one or more of methanol, ethanol, propylene glycol and glycerol.
In the quick self-drying spray UV paint provided by the invention, the polyurethane modified acrylic resin adopts a random copolymer with a structure of a structural formula (I)
Wherein R is H-substituted C1-C5 alkyl or unsubstituted C1-C5 alkyl, wherein x is more than or equal to 1 and less than or equal to 12, y is more than or equal to 1 and less than or equal to 12, and x + y is less than or equal to 12.
In the quick self-drying spray UV paint provided by the invention, the emulsifier can be one or more selected from polyoxyethylene sorbitan monostearate, polyoxyethylene oleyl ether, polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan monopalmitate and polyoxyethylene stearyl alcohol.
In the quick self-drying spray UV paint provided by the invention, the defoaming agent can be selected from one or more of emulsified silicone oil, a higher alcohol fatty acid ester compound, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether, polyoxypropylene polyoxyethylene glycerol ether and polydimethylsiloxane
In the quick self-drying spray UV paint provided by the invention, the film-forming assistant can be one or more selected from propylene glycol butyl ether, propylene glycol methyl ether acetate, dipropylene glycol butyl ether and dipropylene glycol methyl ether;
preferably, the film-forming aid is selected from a mixture of dipropylene glycol butyl ether and dipropylene glycol methyl ether in a mass ratio of 1: 2-3.
In the quick self-drying spray UV paint provided by the invention, the flatting agent is mixed powder prepared from polymethyl urea resin and black and white carbon according to the mass ratio of 2: 3.
In the quick self-drying spray UV paint provided by the invention, the wetting agent can be selected from one or more of polyoxyethylene dioleate, tetraethylene glycol monostearate, tetraethylene glycol monooleate, polyoxypropylene mannitol dioleate, polyoxypropylene stearate, sorbitan laurate, polyoxyethylene fatty acid and polyoxyethylene oxypropylene oleate;
preferably, the wetting agent can be selected from one or more of polyoxyethylene dioleate, polyoxypropylene mannitol dioleate, polyoxypropylene stearate, polyoxyethylene fatty acid and polyoxyethylene oxypropylene oleate;
in the quick self-drying spray UV paint provided by the invention, the dispersant can be selected from one or more of sodium oleate, carboxylate, sulfate ester salt, sulfonate, alkyl quaternary ammonium salt, aminopropylamine dioleate, quaternary ammonium salt, fatty acid ethylene oxide adduct, polyethylene glycol type polyalcohol, polyethyleneimine derivative, oleyl aminooleate, polycaprolacton-polyethyleneimine segmented copolymer and a reactant of polycaprolactone and triethylene tetramine;
preferably, the dispersant can be selected from one or more of alkyl quaternary ammonium salt, aminopropylamine dioleate, quaternary ammonium salt, fatty acid ethylene oxide addition product, polyethylene glycol type polyalcohol, polyethyleneimine derivative, polycaprolacton-polyethyleneimine block copolymer and reaction product of polycaprolactone and triethylene tetramine;
more preferably, the dispersant can be selected from one or more of fatty acid ethylene oxide addition product, polyethylene glycol type polyalcohol, polyethyleneimine derivative, polycaprolacton polyalcohol-polyethyleneimine block copolymer and reaction product of polycaprolactone and triethylene tetramine;
in the quick self-drying spray UV paint provided by the invention, the thickening agent can be selected from one or more of diatomite, molecular sieve, polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene oxide, carbomer resin, polyacrylic acid, attapulgite, sodium polyacrylate, silica gel, polyacrylate copolymer emulsion, butadiene rubber, styrene butadiene rubber, polyurethane, modified polyurea, low molecular polyethylene wax, sodium alginate, casein, guar gum and chitosan;
preferably, the thickening agent can be one or more selected from diatomite, polyvinylpyrrolidone, polyethylene oxide, polyacrylamide, sodium polyacrylate, butadiene rubber, styrene butadiene rubber, polyurethane and sodium alginate.
In the quick self-drying spray UV paint provided by the invention, the color filler can be one of rutile titanium dioxide, ceramic microspheres, lithopone, zinc oxide or mica powder.
In the quick self-drying spray UV paint provided by the invention, the photoinitiator adopts a water-based photoinitiator which can be selected from one or more of benzophenone derivatives, thioxanthone derivatives, alkyl aryl ketone derivatives and benzil derivatives;
preferably, the aqueous photoinitiator may be one or more selected from benzophenone, 2, 4-dihydroxybenzophenone, Michler's ketone, thiopropoxythrolone, isopropyl thioxanthone, α -diethoxyacetophenone, α -hydroxyalkylphenone, α -aminoalkylphenone, diphenylethanone, and α -dimethoxy- α -phenylacetophenone;
further preferably, the above-mentioned aqueous photoinitiator may be selected from a mixture of benzophenone, isopropyl thioxanthone, α -hydroxyalkylphenone and diphenylethanone;
in the quick self-drying spray UV paint provided by the invention, the accelerator can be one or more selected from triethylene diamine, tetramethyl thiuram disulfide, dibutyltin dilaurate, stannous octoate, N-dimethylaniline and N, N-diethylaniline;
preferably, the accelerator can be one or more selected from tetramethylthiuram disulfide, dibutyltin dilaurate and N, N-dimethylaniline;
in the production process, the hardness and the scratch resistance of the coating can be improved by controlling the dosage and the mass ratio of the water-based photoinitiator, namely, the benzophenone, the isopropyl thioxanthone, the α -hydroxyalkyl benzophenone and the diphenylethanone are 2: 1: 2, and the mass ratio of the photoinitiator to the accelerant is controlled to be 5: 2, so that the hardness and the stability of the coating can be improved under the condition of adding a small amount of the photoinitiator, thereby not only reducing the hidden danger of environmental pollution, but also reducing the production cost, thereby reducing the hidden danger of environmental pollution and reducing the production cost.
The invention also relates to a preparation method of the quick self-drying spray UV paint, which comprises the following steps:
1) sequentially adding the polyurethane modified acrylic resin emulsion, water and cosolvent into a reaction kettle according to the formula dosage, and uniformly stirring at a low speed;
2) uniformly mixing the emulsifier, the delustering agent, the thickening agent and the film-forming auxiliary agent according to the formula amount, adding the mixture into a reaction kettle in a stirring state, and heating and stirring;
3) sequentially adding a photoinitiator, an accelerant and a wetting agent in the formula dosage into the reaction kettle, mixing, heating and stirring uniformly;
4) and adding the defoaming agent and the dispersing agent in the formula amount into the reaction kettle, stirring to uniformly mix, keeping the temperature for 30min, uniformly stirring, and cooling to room temperature to obtain the quick self-drying spray UV paint.
The stirring speed in the step 1) is 400-500r/min, and the stirring time is 30-40 min;
the stirring speed in the step 2) is 400-;
the stirring speed in the step 3) is 600-;
the stirring speed in the step 4) is 900-.
Compared with the prior art, the invention has the following beneficial effects:
(1) the initiator used by the quick self-drying spray UV paint provided by the invention is a water-based photoinitiator, and the hardness of the UV paint can be improved under the condition of adding a small amount of photoinitiator by adjusting the type and content of the photoinitiator, so that the hidden danger of environmental pollution is reduced, and the production cost can be reduced;
(2) the rapid self-drying spray UV paint provided by the invention is added with a certain amount of accelerator, can accelerate the drying speed of a paint film, namely achieves the effect of rapid film formation, and has the advantages of low content of used organic solvent and higher environmental protection.
(3) The fast self-drying spray UV paint produced by the invention still has good stability under the condition of not adding a preservative, does not delaminate and deteriorate after being placed for a long time, and is suitable for mass production;
detailed description of the preferred embodiments
Example 1 quick self-drying spray UV paint
The components are as follows: in parts by weight
The preparation method comprises the following steps: the method comprises the following steps:
1) sequentially adding the polyurethane modified acrylic resin emulsion, deionized water and ethanol according to the formula dosage into a reaction kettle, stirring at the speed of 400r/min for 30min, and uniformly stirring;
2) uniformly mixing polyoxyethylene sorbitan monostearate, polymethyl urea resin, black and white carbo-diatomite and propylene glycol monobutyl ether according to the formula dosage, adding the mixture into a reaction kettle in a stirring state, heating to 50 ℃ at the speed of 400r/min, and stirring;
3) adding benzophenone, tetramethylthiuram disulfide and polyoxyethylene dioleate with formula dosage into a reaction kettle in sequence, heating to 60 ℃ at 600r/min, and stirring uniformly;
4) and adding the emulsified silicone oil and the sodium oleate with the formula dosage and the rest other components into the reaction kettle, stirring at the speed of 900r/min for 30min to mix uniformly, preserving the heat at the temperature of 60 ℃ for 30min, cooling to room temperature after stirring uniformly, and thus obtaining the quick self-drying spray UV paint.
Embodiment 2 quick self-drying spray UV paint
The components are as follows: in parts by weight
The preparation method comprises the following steps: the procedure and method were the same as in example 1 except for the difference in composition.
Example 3 quick self-drying spray UV paint
The components are as follows: in parts by weight
The preparation method comprises the following steps: the procedure and method were the same as in example 1 except for the difference in composition.
Example 4 quick self-drying spray UV paint
The components are as follows: in parts by weight
The preparation method comprises the following steps: the procedure and method were the same as in example 1 except for the difference in composition.
Example 5 quick self-drying spray UV paint
The components are as follows: in parts by weight
The preparation method comprises the following steps: the procedure and method were the same as in example 1 except for the difference in composition.
Example 6 quick self-drying spray UV paint
The components are as follows: in parts by weight
The preparation method comprises the following steps: the procedure and method were the same as in example 1 except for the difference in composition.
Example 7 quick self-drying spray UV paint
The components are as follows: in parts by weight
The preparation method comprises the following steps: the procedure and method were the same as in example 1 except for the difference in composition.
Example 8 quick self-drying spray UV paint
The components are as follows: in parts by weight
The preparation method comprises the following steps: the procedure and method were the same as in example 1 except for the difference in composition.
Example 9 quick self-drying spray UV paint
The components are as follows: in parts by weight
The preparation method comprises the following steps: the procedure and method were the same as in example 1 except for the difference in composition.
Comparative example 1A Water-based paint
The composition is substantially the same as in example 9 except that the mass ratio of dipropylene glycol butyl ether to dipropylene glycol methyl ether is 1: 5. The preparation method is the same as example 9.
Comparative example 2A Water-based paint
The composition is substantially the same as in example 9 except that the mass ratio of dipropylene glycol butyl ether to dipropylene glycol methyl ether is 5: 1. The preparation method is the same as example 9.
Comparative example 3A Water-based paint
The composition is essentially the same as in example 9, except that in example 9, benzophenone, isopropyl thioxanthone, α -hydroxyalkyl phenone, diphenylethanone, 5: 2: 1: 5, is prepared in the same manner as in example 9.
Comparative example 4A Water-based paint
The composition is essentially the same as in example 9, except that no benzophenone, isopropyl thioxanthone, α -hydroxyalkyl phenone and diphenylethanone are contained in example 9.
Comparative example 5A Water-based paint
The composition is essentially the same as in example 9, except that it does not contain tetramethylthiuram disulfide as in example 9.
The preparation method is the same as example 9.
Comparative example 6A Water-based paint
The composition is essentially the same as in example 9, except that no benzophenone, isopropyl thioxanthone, α -hydroxyalkyl phenone and diphenylethanone and tetramethylthiuram disulfide are used as in example 9.
Performance testing
TABLE 1 physical Properties of the coatings and test methods
Table 2 results of performance testing of each of the coatings of examples 1-5
Table 3 results of performance testing of each of the coatings of examples 6-9
TABLE 4 Performance test results for comparative examples 1-5 coatings
As can be seen from the above table data, by using the raw material (example 9) provided by the present invention, the type and quality of the initiator were controlled to obtain a high heat resistance, and the obtained coating had excellent hardness, weather resistance and acid and alkali resistance, and the coating was allowed to stand for 24 hours at room temperature after being immersed in boiling water for 2 hours, and had excellent steam resistance without suffering from discoloration, bubbling and peeling. The experimental data of the comparative examples (1 and 2) can show that the hardness and the impact resistance of the coating can be reduced by adjusting the type and the mass ratio of the film-forming assistant, the drying time is prolonged, the experimental data of the comparative example 3 can show that the weather resistance, the steam resistance, the impact resistance, the solvent resistance, the acid and alkali resistance and the like of the obtained coating can be greatly reduced by adjusting the mass ratio of the initiator in the raw materials to be out of the optimal range of the invention, and the stripping and foaming phenomena occur to a certain degree; the components of comparative examples 4 and 5 are not added with an initiator and an accelerant respectively, so that the adhesive force, solvent resistance, pollution resistance, acid and alkali resistance and other properties of the coating are influenced to a certain extent; the initiator and the accelerator provided by the invention are not added into the component 6 of the comparative example, which is unexpectedly found to seriously affect the weather resistance, the heat resistance, the moisture resistance and the steam resistance of the coating, so the components of the water-based coating provided by the invention and the proportion thereof are controlled, the performance of the water-based coating can be well improved, the water-based coating is more suitable for various environments, and the environmental pollution caused by coating waste is reduced.
Placing the prepared coating for two years, detecting whether the coating has layering and hard blocks, wherein the layering is divided into 3 grades, no layering is 0 grade, slight layering is 1 grade, serious layering is 2 grade, and deterioration is 3 grade
After the coating prepared by the invention is placed in a container state for 2 years, no layering phenomenon occurs, no hard block occurs, and the coating is in a uniform state after stirring (examples 1-9), while the preferable range disclosed by the invention (comparative examples 1-3) is changed, the coating is placed for 2 years, and layered and caking states occur to different degrees, but the coating can still be normally used after stirring; the initiator is not added in the comparative example 4, the accelerator is not added in the comparative example 5, and the initiator and the accelerator are not added in the comparative example 6, so that the coating prepared according to the formula of the comparative examples 4-6 seriously delaminates and agglomerates after being placed in a container for 2 years, cannot be normally used after being stirred, causes a large amount of waste and pollutes the environment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a quick self-drying type spraying UV lacquer which characterized in that: the paint comprises the following components in parts by weight:
the film-forming assistant is a mixture of dipropylene glycol butyl ether and dipropylene glycol methyl ether, and the mass ratio of the dipropylene glycol butyl ether to the film-forming assistant is as follows: dipropylene glycol methyl ether ═ 1: 2-3;
the photoinitiator comprises benzophenone, isopropyl thioxanthone, α -hydroxyalkyl benzophenone and diphenylethanone in a mass ratio of 2: 1: 1: 2;
the accelerant is one or more of triethylene diamine, tetramethyl thiuram disulfide, dibutyltin dilaurate, stannous octoate, N-dimethylaniline and N, N-diethylaniline;
the mass ratio of the photoinitiator to the accelerator is 5: 2.
2. the fast self-drying spray UV paint according to claim 1, characterized in that: the quick self-drying spray UV paint also contains a quick drying agent, and the quick drying agent is an organic metal compound.
3. The fast self-drying spray UV paint according to claim 1, characterized in that: the cosolvent is one or more of methanol, ethanol, propylene glycol and glycerol.
4. The fast self-drying spray UV paint according to claim 1, characterized in that: the emulsifier can be one or more selected from polyoxyethylene sorbitan monostearate, polyoxyethylene oleyl ether, polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan monopalmitate and polyoxyethylene stearyl alcohol.
5. The fast self-drying spray UV paint according to claim 1, characterized in that: the defoaming agent can be one or more selected from emulsified silicone oil, high-alcohol fatty acid ester compound, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether, polyoxypropylene polyoxyethylene glycerol ether and polydimethylsiloxane.
6. The fast self-drying spray UV paint according to claim 1, characterized in that: the wetting agent can be one or more selected from polyoxyethylene dioleate, tetraethylene glycol monostearate, tetraethylene glycol monooleate, polyoxypropylene mannitol dioleate, polyoxypropylene stearate, sorbitan laurate, polyoxyethylene fatty acid and polyoxyethylene oxypropylene oleate.
7. The fast self-drying spray UV paint according to claim 1, characterized in that: the dispersant can be selected from one or more of sodium oleate, carboxylate, sulfate ester salt, sulfonate, alkyl quaternary ammonium salt, aminopropylamine dioleate, quaternary ammonium salt, fatty acid ethylene oxide addition product, polyethylene glycol type polyalcohol, polyethyleneimine derivative, oleyl aminooleate, block copolymer of polycaprolacton-polyethyleneimine and reactant of polycaprolactone and triethylene tetramine.
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| CN201711460944.7A CN108178979B (en) | 2017-12-28 | 2017-12-28 | Quick self-drying type spraying UV paint |
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| CN201711460944.7A CN108178979B (en) | 2017-12-28 | 2017-12-28 | Quick self-drying type spraying UV paint |
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| CN108178979B true CN108178979B (en) | 2020-02-18 |
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| CN111718647B (en) * | 2019-03-19 | 2022-04-15 | 立邦涂料（中国）有限公司 | Environment-friendly water-based UV coating and preparation method thereof |
| CN113186738A (en) * | 2021-04-19 | 2021-07-30 | 海宁市格林纺织助剂有限公司 | Textile dyeing auxiliary agent with strong dispersibility and material melting device |
| CN113698546B (en) * | 2021-08-27 | 2022-06-14 | 中国石油化工股份有限公司 | Method for preparing polyether polycarboxylic acid type high-efficiency water reducing agent from high-boiling residues at bottom of polyethylbenzene tower |
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| CN106566380A (en) * | 2016-11-10 | 2017-04-19 | 青岛益群漆业集团有限公司 | Special waterborne air-dry paint for car parts |
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| CN101845259A (en) * | 2010-04-16 | 2010-09-29 | 福州汉森漆业有限公司 | Preparation and use method of water-based ultraviolet (UV) curable wood coating |
| CN105419623A (en) * | 2015-12-29 | 2016-03-23 | 河北晨阳工贸集团有限公司 | Multifunctional aqueous UV varnish, and preparation and usage method |
| CN106566380A (en) * | 2016-11-10 | 2017-04-19 | 青岛益群漆业集团有限公司 | Special waterborne air-dry paint for car parts |
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