CN110157304A - A kind of UV Brilliant white paint and preparation method thereof - Google Patents
A kind of UV Brilliant white paint and preparation method thereof Download PDFInfo
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- CN110157304A CN110157304A CN201910356713.4A CN201910356713A CN110157304A CN 110157304 A CN110157304 A CN 110157304A CN 201910356713 A CN201910356713 A CN 201910356713A CN 110157304 A CN110157304 A CN 110157304A
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- white paint
- brilliant white
- paint according
- epoxy
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
-
- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a kind of UV Brilliant white paints and preparation method thereof, are related to technical field of coatings.It is characterized in that: a kind of UV Brilliant white paint, the component including following parts by weight: epoxy modified acrylic resin: 70~100 parts；Propylene glycol methyl ether acetate: 30~50 parts；UV monomer: 60~100 parts；Photoinitiator: 8~15 parts；Aluminium powder: 5~10 parts；Titanium dioxide: 35~50 parts；Dispersing agent: 2~20 parts；Defoaming agent: 0.01~1 part；Flat agent: 0.05~0.5 part, being formulated UV Brilliant white paint obtained through the invention has the advantages that high adhesive force, glossiness and developability are good.
Description
Technical field
The present invention relates to technical field of coatings, more specifically, it relates to a kind of UV Brilliant white paint and preparation method thereof.
Background technique
UV paint is the abbreviation of ultraviolet light cured paint, and also referred to as light-initiated coating, photocureable coating is coated to furniture plate surface
On, promote decomposition of initiator under the irradiation of ultraviolet light, generate free radicals, causes resin reaction, instantaneous solidification film forming, is current
Most environmentally friendly paint.
The demand of Brilliant white paint nearly one or two years in the market is risen sharply, and wardrobe, the dressing of high-grade suite are mainly used for
Platform, bed, door etc..Some think the paint film of Brilliant white paint is white, richness is good, hardness it is high can, in fact this is base
This requirement.Brilliant white paint is very high to the vision requirement of people, that is, feels to get well to the first of people, not only requires nothing more than paint
Film whiteness number, more importantly be that glossiness height and developability are good.
Summary of the invention
In view of the deficienciess of the prior art, the purpose of the present invention one is to provide a kind of UV Brilliant white paint, by right
Epoxy acrylic resin is modified processing, and adds suitable titanium dioxide and aluminium powder, and UV Brilliant white paint obtained has attached
Put forth effort high, glossiness and the good advantage of developability.
To achieve the above object one, the present invention provides the following technical scheme that
A kind of UV Brilliant white paint, the component including following parts by weight:
Epoxy modified acrylic resin: 70~100 parts；
Propylene glycol methyl ether acetate: 30~50 parts；
UV monomer: 60~100 parts；
Photoinitiator: 8~15 parts；
Aluminium powder: 5~10 parts；
Titanium dioxide: 35~50 parts；
Dispersing agent: 2~20 parts；
Defoaming agent: 0.01~1 part；
Levelling agent: 0.05~0.5 part.
Epoxy-modified polypropylene is obtained by being modified to epoxy acrylic resin by using above-mentioned technical proposal
Resin improves the mechanical performances such as adhesive force, heat resistance, color inhibition, hardness and the salt tolerant aqueous corrosion of epoxy acrylic resin；Titanium
White powder is a kind of white pigment that main component is titanium dioxide, belongs to the good substance of thermal stability, it is white to be added to light
The crack resistance of paint film can be improved in finishing coat, improve color；Aluminium powder is a kind of metallic pigments, light, floating force is high, covering power
By force, a small amount of aluminium powder is added in epoxy acrylic resin, can greatly improve the glossiness and developability of paint film.
Further preferably, the UV monomer is hydroxypropyl acrylate and tripropylene glycol diacrylate.
By using above-mentioned technical proposal, hydroxypropyl acrylate is colourless transparent liquid, is used as third as functional monomer
The cross-linking monomer of olefin(e) acid resin can improve adherence, weatherability, impact resistance and the gloss of photocuring film；Tripropylene glycol two
Acrylate is colourless or light yellow clear oily liquids, has the characteristics that low-shrinkage and high activity, as reactive diluent
It is crosslinked for UV, the composition of cross-linked polymeric can be become, and the preferable flexibility of photocuring film and stability can be assigned.
Further preferably, the weight fraction ratio between the hydroxypropyl acrylate and tripropylene glycol diacrylate is
(0.8~2): 1.
By using above-mentioned technical proposal, acrylic acid hydroxypropyl and tripropylene glycol diacrylate are added to certain proportion
In formula, the adhesive force of UV Brilliant white paint can be greatly improved.
Further preferably, the photoinitiator uses 2- hydroxy-2-methyl phenyl-propane -1- ketone, benzophenone and α -
One of hydroxy-ketone is a variety of.
By using above-mentioned technical proposal, 2- hydroxy-2-methyl phenyl-propane -1- ketone is a kind of new and effective photosensitive initiation
Agent, efficiency of initiation is high, dissolubility is good, low smell, color inhibition；Benzophenone, benzophenone and alpha-alcohol ketone are efficiently to draw
It sends out agent and stability is good.
Further preferably, the varnish for being also 10~15 parts containing parts by weight in the UV Brilliant white paint.
By using above-mentioned technical proposal, varnish is used to wrap up aluminium powder, and aluminium powder is avoided to occur uniting phenomenon and causing finishing coat
There is fault.
Further preferably, the epoxy modified acrylic resin is made by following steps:
The nano silicon dioxide dispersion configured with cyclohexanone is uniformly mixed with initiator, is then slowly dropped to mixed liquor
It in the mixed liquor of acrylic acid and polymerization inhibitor, is dripped off in 3h, controls temperature between 90~120 DEG C, then keep the temperature 2h, be cooled to 50
DEG C, be added epoxy resin, react 0.5h after be down to room temperature to get.
By using above-mentioned technical proposal, using acrylic resin as substrate, by adding nano silica, to epoxy third
Olefin(e) acid resin is modified, and obtains epoxy modified acrylic resin, improve the adhesive force of epoxy acrylic resin, heat resistance,
The mechanical performances such as color inhibition, hardness and salt tolerant aqueous corrosion.
Further preferably, the epoxy resin uses E-51 epoxy resin, and the initiator uses dodecyl front three
Ammonium chloride, the polymerization inhibitor use hydroquinone.
By using above-mentioned technical proposal, dodecyl trimethyl ammonium chloride is white crystalline solid, heats and easily decomposes, instead
It answers process steady and resin is close to colourless；In epoxy resin synthesis, self-polymeric reaction easily occurs for raw material polymerization inhibitor, therefore polymerization inhibitor is added
Agent hydroquinone, to prevent acrylic acid autohemagglutination.
Further preferably, the acrylic acid and epoxy resin molar ratio are (1~1.05): 1.
By using above-mentioned technical proposal, if excessive acid, reaction speed is very fast, and reaction thoroughly, but remains in resin
Carboxyl causes resin smell larger, and optimum mole ratio is (1~1.05): 1.
Further preferably, based on mass fraction, the additional amount of the silica is 1%~1.5%, the initiator
Additional amount be 1%~1.5%, the additional amount of the polymerization inhibitor is 1%~3%.
The purpose of the present invention two is to provide a kind of preparation method of UV Brilliant white paint, and the UV prepared using this method is bright
Light white finish paint has the advantages that high adhesive force, glossiness and developability are good.
To achieve the above object two, the present invention provides the following technical scheme that
A kind of preparation method of UV Brilliant white paint, comprising the following steps:
Step 1 grinds propylene glycol methyl ether acetate, aluminium powder, titanium dioxide and dispersing agent uniformly, and grinding temperature is no more than 55 DEG C；
Epoxy modified acrylic resin, UV monomer, photoinitiator, defoaming agent, levelling agent are mixed evenly step 2, turn
Speed is 1500~1800r/min；
Mixture in mixture and step 2 in step 1 is mixed evenly step 3, and revolving speed is 600~800r/
min；Step 4 obtains UV Brilliant white paint with 200~300 mesh filter screen filtrations.
In conclusion compared with prior art, the invention has the following advantages:
(1) by being modified processing to epoxy acrylic resin, so that the adhesive force of Brilliant white paint, heat resistance, color inhibition
It is increased substantially with mechanical performances such as hardness；
(2) UV Brilliant white paint, by addition titanium dioxide and aluminium powder, improves its gloss on the basis of guaranteeing that paint film whiteness is excellent
Degree and developability；
(3) the entire construction time of high production efficiency, UV Brilliant white paint is short, and the production used time of single process is greatly saved.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.It is worth noting that wherein being not specified specific
Condition person, lower according to conventional conditions or manufacturer's recommended conditions to carry out, reagents or instruments used without specified manufacturer,
For the conventional products that can be obtained by commercially available purchase.
Embodiment 1: a kind of UV Brilliant white paint, each component and its corresponding parts by weight are as shown in table 1, and by as follows
Step prepares:
The nano silicon dioxide dispersion configured with cyclohexanone is uniformly mixed by step 1 with dodecyl trimethyl ammonium chloride,
Then mixed liquor is slowly dropped in the mixed liquor of acrylic acid and hydroquinone, is dripped off in 3h, control temperature 100 DEG C it
Between, 2h is then kept the temperature, is cooled to 50 DEG C, E-51 epoxy resin is added, room temperature is down to after reacting 0.5h, obtains epoxy-modified propylene
Acid resin；
Step 2 grinds propylene glycol methyl ether acetate, aluminium powder, titanium dioxide and dispersing agent uniformly, and grinding temperature is controlled at 50 DEG C；
Step 3, by epoxy modified acrylic resin, hydroxypropyl acrylate, tripropylene glycol diacrylate, 2- hydroxy-2-methyl
Phenyl-propane -1- ketone, defoaming agent, levelling agent are mixed evenly, revolving speed 1600r/min；
Mixture in mixture and step 2 in step 1 is mixed evenly step 4, revolving speed 600r/min；
Step 5 obtains UV Brilliant white paint with 200 mesh filter screen filtrations；
Wherein, the molar ratio of acrylic acid and E-51 epoxy resin is 1:1, and the additional amount of silica is 1%, dodecyl front three
The additional amount of ammonium chloride is 1%, and the additional amount of hydroquinone is 2%, and defoaming agent uses polyether modified silicon oil, and levelling agent uses
Siloxane-Oxyalkylene Copolymers, the white granular solid that dispersing agent is produced by Hai Shu Zhong Shan industry and trade industrial corporation, Ningbo City.
Embodiment 2-6: a kind of UV Brilliant white paint, difference from example 1 is that, each component and its corresponding weight
It is as shown in table 1 to measure number.
Each component and its parts by weight in 1 embodiment 1-6 of table
Embodiment 7: a kind of UV Brilliant white paint, difference from example 1 is that:
Step 2, by 30 parts of propylene glycol methyl ether acetates, 5 parts of aluminium powders, 35 parts of titanium dioxides, 10 parts of varnish and 2 parts of dispersing agent grindings
Uniformly, grinding temperature control is at 50 DEG C；
Remaining is same as Example 1.
Embodiment 8: a kind of UV Brilliant white paint, difference from example 1 is that:
Step 2 grinds 30 parts of propylene glycol methyl ether acetates, 5 parts of aluminium powders, 35 parts of titanium dioxides, 12.5 parts of varnish and 2 parts of dispersing agents
Uniformly, grinding temperature is controlled at 50 DEG C mill；
Remaining is same as Example 1.
Embodiment 9: a kind of UV Brilliant white paint, difference from example 1 is that:
Step 2, by 30 parts of propylene glycol methyl ether acetates, 5 parts of aluminium powders, 35 parts of titanium dioxides, 15 parts of varnish and 2 parts of dispersing agent grindings
Uniformly, grinding temperature control is at 50 DEG C；
Remaining is same as Example 1.
Embodiment 10: a kind of UV Brilliant white paint, difference from example 1 is that:
Step 3, by 70 parts of epoxy modified acrylic resins, 27 parts of hydroxypropyl acrylates, 33 parts of tripropylene glycol diacrylates, 4
Part 2- hydroxy-2-methyl phenyl-propane -1- ketone, 4 parts of benzophenone, 0.01 part of defoaming agent, 0.05 part of levelling agent are mixed equal
It is even, revolving speed 1600r/min；
Remaining is same as Example 1.
Embodiment 11: a kind of UV Brilliant white paint, difference from example 1 is that:
Step 3, by 70 parts of epoxy modified acrylic resins, 27 parts of hydroxypropyl acrylates, 33 parts of tripropylene glycol diacrylates, 2
Part 2- hydroxy-2-methyl phenyl-propane -1- ketone, 2 parts of benzophenone, 2 parts of alpha-alcohol ketones, 0.01 part of defoaming agent, 0.05 part of levelling
Agent is mixed evenly, revolving speed 1600r/min；
Remaining is same as Example 1.
Comparative example 1: a kind of UV Brilliant white paint, difference from example 1 is that:
Dodecyl trimethyl ammonium chloride is slowly dropped in the mixed liquor of acrylic acid and hydroquinone by step 1, drop in 3h
It is complete, temperature is controlled between 100 DEG C, then keeps the temperature 2h, is cooled to 50 DEG C, E-51 epoxy resin is added, and is down to after reacting 0.5h
Room temperature obtains epoxy acrylic resin；
Remaining is same as Example 1.
Comparative example 2: a kind of UV Brilliant white paint, difference from example 1 is that:
Step 2,30 parts of propylene glycol methyl ether acetates and 2 parts of dispersing agent grindings are uniform, and grinding temperature is controlled at 50 DEG C；
Remaining is same as Example 1.
Performance test
The test of adhesive force and glossiness is carried out to UV Brilliant white paint made from embodiment 1-11 and comparative example 1-2 respectively；
Test method
Adhesive force: 3M adhesive tape, hundred lattice test GB/T5210-2006；
Glossiness: OU4200 type vancometer；
Test result is included in following table 2；
By the test result in table 2 it is found that the adhesive force of UV Brilliant white paint and glossiness will be substantially better than in embodiment
UV Brilliant white paint obtained in comparative example.
2 the performance test results of table
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of UV Brilliant white paint, which is characterized in that the component including following parts by weight:
Epoxy modified acrylic resin: 70~100 parts；
Propylene glycol methyl ether acetate: 30~50 parts；
UV monomer: 60~100 parts；
Photoinitiator: 8~15 parts；
Aluminium powder: 5~10 parts；
Titanium dioxide: 35~50 parts；
Dispersing agent: 2~20 parts；
Defoaming agent: 0.01~1 part；
Levelling agent: 0.05~0.5 part.
2. UV Brilliant white paint according to claim 1, which is characterized in that the UV monomer is hydroxypropyl acrylate and three
Propylene glycol diacrylate.
3. UV Brilliant white paint according to claim 2, which is characterized in that the hydroxypropyl acrylate and tripropylene glycol two
Weight fraction ratio between acrylate is (0.8~2): 1.
4. UV Brilliant white paint according to claim 1, which is characterized in that the photoinitiator uses 2- hydroxyl -2- first
One of base phenyl-propane -1- ketone, benzophenone and alpha-alcohol ketone are a variety of.
5. UV Brilliant white paint according to claim 1, which is characterized in that also contain weight in the UV Brilliant white paint
The varnish that number is 10~15 parts.
6. UV Brilliant white paint according to claim 1, which is characterized in that the epoxy modified acrylic resin is by as follows
Step is made:
The nano silicon dioxide dispersion configured with cyclohexanone is uniformly mixed with initiator, is then slowly dropped to mixed liquor
It in the mixed liquor of acrylic acid and polymerization inhibitor, is dripped off in 3h, controls temperature between 90~120 DEG C, then keep the temperature 2h, be cooled to 50
DEG C, be added epoxy resin, react 0.5h after be down to room temperature to get.
7. UV Brilliant white paint according to claim 6, which is characterized in that the epoxy resin uses E-51 asphalt mixtures modified by epoxy resin
Rouge, the initiator use dodecyl trimethyl ammonium chloride, and the polymerization inhibitor uses hydroquinone.
8. UV Brilliant white paint according to claim 6, which is characterized in that the acrylic acid is with epoxy resin molar ratio
(1~1.05): 1.
9. UV Brilliant white paint according to claim 6, which is characterized in that based on mass fraction, the silica
Additional amount is 1%~1.5%, and the additional amount of the initiator is 1%~1.5%, and the additional amount of the polymerization inhibitor is 1%~3%.
10. a kind of preparation method of UV Brilliant white paint, which comprises the following steps:
Step 1 grinds propylene glycol methyl ether acetate, aluminium powder, titanium dioxide and dispersing agent uniformly, and grinding temperature is no more than 55 DEG C；
Epoxy modified acrylic resin, UV monomer, photoinitiator, defoaming agent, levelling agent are mixed evenly step 2, turn
Speed is 1500~1800r/min；
Mixture in mixture and step 2 in step 1 is mixed evenly step 3, and revolving speed is 600~800r/
min；
Step 4 obtains UV Brilliant white paint with 200~300 mesh filter screen filtrations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910356713.4A CN110157304A (en) | 2019-04-29 | 2019-04-29 | A kind of UV Brilliant white paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910356713.4A CN110157304A (en) | 2019-04-29 | 2019-04-29 | A kind of UV Brilliant white paint and preparation method thereof |
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| CN110157304A true CN110157304A (en) | 2019-08-23 |
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ID=67633192
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| CN201910356713.4A Pending CN110157304A (en) | 2019-04-29 | 2019-04-29 | A kind of UV Brilliant white paint and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111704832A (en) * | 2020-06-23 | 2020-09-25 | 广东圣源恒科技有限公司 | Multicolor paint and spraying method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1436822A (en) * | 2002-02-08 | 2003-08-20 | 湖南亚大新材料科技股份有限公司 | Ultraviolet light cured aluminium powder paint |
| CN102220062A (en) * | 2011-05-13 | 2011-10-19 | 武汉大学 | Aqueous UV curing coating and preparation method thereof |
-
2019
- 2019-04-29 CN CN201910356713.4A patent/CN110157304A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1436822A (en) * | 2002-02-08 | 2003-08-20 | 湖南亚大新材料科技股份有限公司 | Ultraviolet light cured aluminium powder paint |
| CN102220062A (en) * | 2011-05-13 | 2011-10-19 | 武汉大学 | Aqueous UV curing coating and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111704832A (en) * | 2020-06-23 | 2020-09-25 | 广东圣源恒科技有限公司 | Multicolor paint and spraying method thereof |
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Application publication date: 20190823 |