CN109593434A - A kind of epoxy resin varnish and preparation method thereof and furniture - Google Patents
A kind of epoxy resin varnish and preparation method thereof and furniture Download PDFInfo
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- CN109593434A CN109593434A CN201811451581.5A CN201811451581A CN109593434A CN 109593434 A CN109593434 A CN 109593434A CN 201811451581 A CN201811451581 A CN 201811451581A CN 109593434 A CN109593434 A CN 109593434A
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- epoxy resin
- agent
- resin varnish
- curing agent
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Classifications
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
Abstract
The invention belongs to technical field of coatings, and in particular to a kind of epoxy resin varnish and preparation method thereof and furniture.Epoxy resin varnish provided by the present invention, comprising: host agent, curing agent and diluent；By host agent be 100 parts by weight in terms of, host agent includes: 85~90 parts of bisphenol A type epoxy resin；9.3~14.7 parts of ethyl alcohol；0.2~0.4 part of defoaming agent；0.1~0.3 part of levelling agent；Curing agent is anhydride curing agent；Diluent is ethyl alcohol；The epoxide number of bisphenol A type epoxy resin is 0.48~0.54.The present invention is using bisphenol A type epoxy resin as base-material, and using anhydride curing agent as curing agent, anhydride curing agent crosslinks to react with bisphenol A type epoxy resin to form paint film, paint film richness with higher and flexibility, large arch dam, good leveling property；Moreover, the present invention, also using the ethyl alcohol of low smell hypotoxicity as diluent, bisphenol A type epoxy resin is soluble in ethyl alcohol, and the VOC that constructs is low, has no irritating odor, environmentally protective.
Description
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of epoxy resin varnish and preparation method thereof and furniture.
Background technique
Coating is widely used in industry and life, such as encapsulation, house decoration and the furniture surface paint of electronic device apply.
It is applied for the ease of paint, a large amount of solvents is often used in coating, mainly play diluting effect, waited in processing, drying and curing film forming
Cheng Zhong gives out a large amount of volatile organic compounds (VOC) into atmosphere, causes environmental pollution, and paint in use
Remaining solvent can be evaporated constantly in film, influence people's health.It is increasingly stringent with environmental regulation, and environmental protection
The raising of consciousness, coating develop toward the direction of low VOC.
Organic solvent of the traditional solvent type coating that furniture industry uses generally containing about 50%, the manufacture of coating, construction,
During dry, film-forming, a large amount of VOC is given out into atmosphere, penetrating odor is big, there is different murders by poisoning to human body
Effect.Meanwhile the levelability of traditional solvent type coating is poor, it is difficult to cover sand trace.
Summary of the invention
In order to solve the above-mentioned technical problem, the main purpose of the present invention is to provide a kind of epoxy resin varnish, it is intended to solve existing
There are the technical problems such as the height of construction VOC burst size present in coatings for furniture, levelability difference.
Another object of the present invention is to provide a kind of preparation methods of epoxy resin varnish, it is intended to prepare above-mentioned epoxy resin varnish
A kind of simple and feasible method is provided.
Another object of the present invention is to provide a kind of furniture, it is desirable to provide application of the epoxy resin varnish in furniture decoration.
In order to achieve the above-mentioned object of the invention, an aspect of of the present present invention provides a kind of epoxy resin varnish, comprising: host agent, solidification
Agent and diluent；
By the host agent be 100 parts by weight in terms of, the host agent includes:
The curing agent is anhydride curing agent；
The diluent is ethyl alcohol.
It is 0.48~0.54 bisphenol A type epoxy resin as base-material that the present invention, which uses epoxide number, using anhydride curing agent
As curing agent, anhydride curing agent crosslinks to react to form paint film with the bisphenol A type epoxy resin.Compared with prior art,
Viscosity is lower containing close to 100% for the bisphenol A type epoxy resin solid, and containing admittedly with the construction after anhydride curing agent paint can be with
Reach 77%~81%, reduces the dosage of diluent, low construction VOC；The paint film shrinking percentage formed after reaction only has 1%~
2%, and the high-flexibility that the bisphenol A type epoxy resin linear structure is shown is remained, there is good filling capacity, prevent
Only contracting film.Moreover, the present invention uses the ethyl alcohol of low smell hypotoxicity as diluent, which is soluble in second
Alcohol has no irritating odor, environmentally protective.Tests prove that by host agent be 100 parts by weight in terms of, when host agent tree containing bisphenol type epoxy
When 85~90 parts of rouge, 9.3~14.7 parts of ethyl alcohol, 0.2~0.4 part of defoaming agent, 0.1~0.3 part of levelling agent, host agent, curing agent and
The paint film formed after diluent mixing has good anti-sag resistance energy, and flow leveling is good, can cover the sand trace of ground, bloom
It is bright, and the low VOC that constructs.
An aspect of of the present present invention provides the preparation method of above-mentioned epoxy resin varnish, comprising:
Ingredient is carried out according to the formula of above-mentioned epoxy resin varnish；
Bisphenol A type epoxy resin, defoaming agent and ethyl alcohol are subjected to the first mixing treatment, obtain mixture；By the mixing
Object and levelling agent carry out the second mixing treatment, obtain host agent；
The host agent is stirred with curing agent, diluent and is mixed, epoxy resin varnish is obtained.
Method provided by the present invention, easy to operate, process optimization can farthest guarantee the quality of epoxy resin varnish.
Another aspect of the present invention provides a kind of furniture, comprising: furniture body and epoxy resin varnish coating, epoxy resin varnish
Coating coats the surface for being set to furniture body；
Epoxy resin varnish coating is the paint film that the epoxy resin varnish that aforementioned epoxy varnish or above-mentioned preparation method obtain is formed.
The epoxy resin varnish large arch dam that the present invention coats on furniture body, low VOC release, flow leveling are good；Moreover, the ring
The ethyl alcohol that oxygen varnish uses low smell nontoxic is green safe as diluent.Thus, the present invention on furniture body by coating
Above-mentioned epoxy resin varnish provides a kind of high-quality furniture of high bright, low VOC release.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention 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.
The quality of each component noted in the disclosure of the embodiment of the present invention not only may refer to specifically containing for each component
Amount, can also indicate the proportionate relationship of quality between each component, therefore, as long as each according to specification composition of the embodiment of the present invention
The content of component is scaled up or is reduced within specification of embodiment of the present invention scope of disclosure.Specifically, of the invention
Embodiment quality described in the specification can be unit of weight well known to the field of medicaments such as μ g, mg, g, kg.
On the one hand, the embodiment of the present invention provides a kind of epoxy resin varnish and solves the construction irritation gas that solvent based coating faces
Taste is big, VOC burst size is big, levelability is poor, is difficult to the problems such as covering sand trace.
The epoxy resin varnish of the embodiment of the present invention, comprising: host agent, curing agent and diluent；
By host agent be 100 parts by weight in terms of, host agent includes:
Curing agent is anhydride curing agent；
Diluent is ethyl alcohol；
The epoxide number of bisphenol A type epoxy resin is 0.48~0.54.
Epoxy resin varnish provided by the invention includes host agent, curing agent and diluent, wherein host agent includes bisphenol type epoxy
Resin, ethyl alcohol, defoaming agent, levelling agent；Curing agent is anhydride curing agent；Diluent is ethyl alcohol.In practical applications, respectively
Host agent, curing agent and diluent are prepared, after then being mixed host agent, curing agent and diluent, coating can be carried out, simply
It is convenient, strong applicability.
Specifically, the embodiment of the present invention select epoxide number for 0.48~0.54 bisphenol A type epoxy resin as base-material, and
As the main component of the clear priming paint of epoxy of the embodiment of the present invention, the bisphenol A type epoxy resin it is solid containing close to 100%, viscosity compared with
Low (25 DEG C, 10000~25000mPas), containing admittedly with the construction after anhydride curing agent paint can achieve 77%~81%.
Compared to traditional solvent type coating NC coating 15%-30%, PU coating 30%-50%, PE coating 60%-80%, Neng Gou great
Width reduces application frequency, reduces diluent dosage, reduces construction VOC.The paint that the bisphenol A type epoxy resin is formed after reacting
Film shrinking percentage only has 1%~2%, and remains the high-flexibility that the bisphenol A type epoxy resin linear structure is shown, and has
Higher richness and flexibility.Moreover, bisphenol A type epoxy resin can be dissolved in ethyl alcohol, easy to produce and construction；Ethyl alcohol thorn
Swash that property smell is low and hypotoxicity, it is green safe.The SM828 of the wooden company of the bisphenol A type epoxy resin preferably three.Implement in the present invention
Within the scope of bisphenol A type epoxy resin parts by weight provided by example, so that epoxy resin varnish has good fillibility, flexibility and stream
Levelling.
In embodiments of the present invention, the effect of defoaming agent is that remove the high filling clear priming paint of epoxy generates in process of production
Bubble, and the bubble that the high filling clear priming paint of epoxy is generated in construction is able to suppress, so that surface of the paint film is smooth.Wherein,
Defoaming agent can use but be not limited to Organic fluoride modified siloxane copolymer or polysiloxanes.
In a preferred embodiment, defoaming agent is selected as Organic fluoride modified siloxane copolymer, preferably Bi Ke chemistry
BYK066N.The compatibility of the Organic fluoride modified siloxane copolymer and bisphenol A type epoxy resin is preferable, and effect of breaking bubble is good, can keep away
Exempt from paint film construction and generate blistering disadvantage, and can act synergistically with levelling agent, promotes the levelability of epoxy resin varnish, so that surface of the paint film
It is smooth.Within the scope of the defoaming agent parts by weight provided by the embodiment of the present invention, so that epoxy resin varnish has good comprehensive performance.
In another preferred embodiment, defoaming agent is selected as polysiloxanes.Polysiloxanes is conventional organic silicon defoaming agent,
Effect of breaking bubble is good, so that surface of the paint film is smooth.
The effect of levelling agent is to reduce the surface tension of epoxy resin varnish, so that after construction, which can be more
Self-leveling after rapidly being soaked on the ground by sanded treatment, and the ill phenomenon such as will not generate orange peel, shrinkage cavity.This hair
The levelling agent of bright embodiment can use but be not limited to fluorin modified crylic acid ester, and the preferably Efka company trade mark is EFKA3600
Product.The levelling agent and above-mentioned bisphenol A type epoxy resin, defoaming agent, levelling agent and anhydride curing agent synergistic effect, mention jointly
The high levelability of epoxy resin varnish.Within the scope of the levelling agent parts by weight provided by the embodiment of the present invention, so that epoxy resin varnish
Flow leveling it is best, can preferably cover sand trace.
The effect of curing agent is to form a film with cross linking of epoxy resin.In embodiments of the present invention, made using anhydride curing agent
For curing agent, anhydride curing agent and bisphenol A type epoxy resin carry out cross-linking reaction, the paint film of formation richness with higher and
Flexibility, large arch dam, low construction VOC；And there is good filling capacity, the anti-sag resistance energy and levelability of paint film can be improved.
Moreover, by host agent be 100 parts by weight in terms of, when host agent containing 85~90 parts of bisphenol A type epoxy resin, 9.3~14.7 parts of ethyl alcohol, defoaming
When 0.2~0.4 part of agent, 0.1~0.3 part of levelling agent, the paint film of formation has good anti-sag resistance energy, and flow leveling is good, can
To cover the sand trace of ground, Gao Guangliang.
Preferably, anhydride curing agent is selected as modified methyl hexahydrophthalic anhydride, the ZY- of science and technology is ground in Xuzhou
S811.Within the scope of the anhydride curing agent parts by weight provided by the embodiment of the present invention, so that epoxy resin varnish has good synthesis
Performance.Within the scope of the curing agent parts by weight provided by the embodiment of the present invention, it is good comprehensive to may make that epoxy resin varnish has
Energy.
The effect of diluent is to adjust the viscosity of epoxy resin varnish, makes it easier to construct.In embodiments of the present invention, it dilutes
Ethyl alcohol is selected as in agent, is had no irritating odor, environmentally protective, can reduce the health hazards to construction personnel to the maximum extent.
Further, on the basis of the explanation of above-mentioned each component, in order to enable the epoxy resin varnish of the embodiment of the present invention has
Preferable painting effect, based on parts by weight, the host agent of the epoxy resin varnish of the embodiment of the present invention are 100 parts, curing agent is 45~
55 parts, diluent is 25~35 parts.
On the other hand, the formula based on above-mentioned epoxy resin varnish, the embodiment of the invention also provides the systems of above-mentioned epoxy resin varnish
Preparation Method, comprising:
S01, bisphenol A type epoxy resin, defoaming agent and ethyl alcohol are subjected to the first mixing treatment, obtain mixture；It will be described
Mixture and anti-settling agent and talcum powder carry out the second mixing treatment, obtain host agent；
S02, it the host agent that step S01 is prepared is stirred with curing agent, diluent mixes, obtain epoxy resin varnish.
Preferably, first mixing treatment includes: first to be mixed with 300~400rpm of First Speed, then with the
Two 800~1000rpm of speed are dispersed.First being mixed at a slow speed with 300~400rpm, can be more slowly simple by component
It mixes, avoids getting rid of winged material risk brought by high speed at the very start, influence coating composition changes of contents；Later with
800~1000rpm's is quickly dispersed, and each component is aloowed to reach more complete uniform state.
Further, the jitter time in the first mixing treatment is 10~15min.It can guarantee that each component is equal in system
One property, jitter time are not enough to reach dispersion effect when being lower than 10min.
Preferably, second mixing treatment includes: first to be mixed with 500~600rpm of third speed, then with the
Four speed 1000-1200rpm are dispersed.In this way, each component is aloowed to reach more complete uniform state, and avoid
Weight loss occurs for component.
Further, the jitter time in the second mixing treatment is 10~15min.
Preferably, the host agent after the second mixing treatment granularity less than 50 μm.In this way, make surface of the paint film compared with
It is smooth.
The preferred speed of institute and time in above-mentioned steps, so that mixing is more in the epoxy resin varnish preparation process of the present embodiment
Sufficiently, the comprehensive performance of epoxy resin varnish is optimal.
In use, prepared epoxy resin varnish is coated on its surface on the ground Jing Guo sanded treatment, it is dry, i.e.,
It can.
Another aspect, the embodiment of the invention also provides a kind of furniture, comprising: furniture body and epoxy resin varnish coating, ring
Oxygen varnish coat coats the surface for being set to furniture body；
Wherein, above-mentioned epoxy resin varnish coating solidifies shape by the epoxy resin varnish that aforementioned epoxy varnish or above-mentioned preparation method obtain
At paint film.
To make, the above-mentioned implementation detail of the present invention and operation can be clearly readily appreciated by one skilled in the art and the present invention is real
The progress performance for applying epoxy resin varnish and preparation method thereof and furniture embodies significantly, by the following examples to reality of the invention
It applies and is illustrated.
In the examples below, epoxy resin is purchased from the three wooden companies, product grade SM828；Defoaming agent is purchased from Bi Kehua
It learns, product grade BYK066N；Levelling agent is purchased from Efka company, product grade EFKA3600；Anhydride curing agent is purchased from Xu
Science and technology, product grade ZY-S811 are ground in state；Ethyl alcohol is purchased from Tian Guan company.
Embodiment
Table 1 is the specific at being grouped as of the epoxy resin varnish of embodiment 1 and embodiment 3.
Table 1
The preparation of epoxy resin varnish specifically comprises the following steps:
S11, it stocks up by above-mentioned formula；
S12, bisphenol A type epoxy resin is added in clean container, sequentially adds defoaming agent, second under 350rpm stirring
Alcohol continues dispersion 10min with 900rpm and is added with stirring anti-settling agent and talcum powder in 550rpm, then at 1100rpm later
Disperse 15min, so that the granularity of host agent is less than 50 microns；
Host agent, curing agent and diluent that step S12 is prepared are stirred mixing, obtain epoxy by S13, proportionally
Varnish.
Test case
The epoxy resin varnish of above-described embodiment 1~3 is constructed in the way of hand spray, then, according to GB/T
23997-20099 " indoor decorating solvent borne polyurethane woodwork coating " and GB 18581-2009 " indoor decorating material
Expect limits of harmful substances in solvent wood coatings " construction effect is detected, the results are shown in Table 2 for measured data.
Table 2
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of epoxy resin varnish characterized by comprising host agent, curing agent and diluent；
By the host agent be 100 parts by weight in terms of, the host agent includes following parts by weight of component:
The curing agent is anhydride curing agent；
The diluent is ethyl alcohol；
The epoxide number of bisphenol A type epoxy resin is 0.48~0.54.
2. epoxy resin varnish according to claim 1, which is characterized in that the defoaming agent is the copolymerization of Organic fluoride modified siloxane
Object.
3. epoxy resin varnish according to claim 1, which is characterized in that the levelling agent is fluorinated modified acrylic resin.
4. epoxy resin varnish according to claim 1, which is characterized in that the anhydride curing agent is methyl hexahydro O-phthalic
Acid anhydrides.
5. epoxy resin varnish according to any one of claims 1 to 4, which is characterized in that based on parts by weight, the host agent is
100 parts, the curing agent is 45~55 parts, and the diluent is 25~35 parts.
6. a kind of preparation method of epoxy resin varnish characterized by comprising
The formula of epoxy resin varnish according to any one of claims 1 to 5 carries out ingredient；
Bisphenol A type epoxy resin, defoaming agent and ethyl alcohol are subjected to the first mixing treatment, obtain mixture；By the mixture with
Levelling agent carries out the second mixing treatment, obtains host agent；
The host agent is stirred with curing agent, diluent and is mixed, epoxy resin varnish is obtained.
7. preparation method according to claim 6, which is characterized in that first mixing treatment includes: first with the first speed
Degree 300-400rpm is mixed, then is dispersed with second speed 800-1000rpm；And/or
Second mixing treatment includes: first to be mixed with third speed 500-600rpm, then with fourth speed 1000-
1200rpm is dispersed.
8. a kind of furniture characterized by comprising furniture body and epoxy resin varnish coating, the epoxy resin varnish coating painting cover
It is placed in the surface of the furniture body；
The epoxy resin varnish coating is any one of epoxy resin varnish described in any one of claim 1 to 5 or claim 6 to 7 institute
State the paint film that the epoxy resin varnish that preparation method obtains is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811451581.5A CN109593434A (en) | 2018-11-29 | 2018-11-29 | A kind of epoxy resin varnish and preparation method thereof and furniture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811451581.5A CN109593434A (en) | 2018-11-29 | 2018-11-29 | A kind of epoxy resin varnish and preparation method thereof and furniture |
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| CN109593434A true CN109593434A (en) | 2019-04-09 |
Family
ID=65960100
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2018
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|---|---|---|---|---|
| CN101570662A (en) * | 2009-03-26 | 2009-11-04 | 天津大学 | High-temperature and high-moisture resistant coating for metalster and preparation method thereof |
| CN103360905A (en) * | 2013-07-22 | 2013-10-23 | 天长市开林化工有限公司 | Epoxy potable water tank paint and its preparation method |
| CN106634402A (en) * | 2015-11-03 | 2017-05-10 | 株洲时代新材料科技股份有限公司 | Epoxy anhydride impregnating varnish and preparation method and application thereof |
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Address after: 519000 No. 28 Nanhua Third Road, Fine Chemical Industry Zone, Gaolangang Economic Zone, Zhuhai City, Guangdong Province Applicant after: Zhuhai zhanchen New Material Co., Ltd Address before: 519050 Room 401, 4th Floor, 133 Lianshui Road, Nanshui Town, Zhuhai City, Guangdong Province Applicant before: Zhuhai Chenxin exhibition materials Co. Ltd. |
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Application publication date: 20190409 |
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