CN106147515A - A kind of solventless epoxy coating and preparation method thereof - Google Patents
A kind of solventless epoxy coating and preparation method thereof Download PDFInfo
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- CN106147515A CN106147515A CN201610460971.3A CN201610460971A CN106147515A CN 106147515 A CN106147515 A CN 106147515A CN 201610460971 A CN201610460971 A CN 201610460971A CN 106147515 A CN106147515 A CN 106147515A
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- epoxy coating
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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
- 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
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/44—Amides
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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
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of solventless epoxy coating and preparation method thereof, according to weight part ratio, including: glass flake 0 20 parts;Silane coupler 0 1.35 parts;Silicone oil 13 parts;Epoxy resin 40 60 parts;Epoxy hardener 30 45 parts;Reactive diluent 23 parts;Basalt glass powder body 0 30 parts;Dehydrated alcohol 0 20 parts;Distilled water 0 25 parts.Solventless epoxy coating of the present invention has preferably machinery and antiseptic property under difficult environmental conditions.
Description
Technical field
The present invention relates to a kind of solventless epoxy coating and preparation method thereof, can be used for the coating of the environment-friendly type of engineering field.
Background technology
Solventless coatings refers to without or contains very small amount volatile organic solvent or the coating of diluent.With synthetic resin, firming agent
Formulated with active solvent, when film-forming, active solvent also assists in reaction, becomes the ingredient of film.It it is formula
In do not exist as the solvent truly of non-film material, therefore referred to as solventless coatings.Solventless coatings does not contains or containing pole
A small amount of volatile solvent, decreases the pollution to environment, has saved a large amount of organic solvent, is therefore a kind of energy saving and environment friendly new
Type coating.
Epoxy resin has good adhesive force, chemicals-resistant to metal, pottery, glass, concrete, is current solvent-free painting
The toughness film forming matter that material is conventional.And the wearability of solvent-free wear-resisting epoxy coating is also often up to less than requiring, it is therefore desirable to add
Increase the modified filler of friction hard, low, improve the wearability of coating.
Summary of the invention
The present invention use epoxy resin as the film forming matter of solventless epoxy coating, using low molecular polyamide as firming agent,
The basalt glass of employing silane coupler process and glass flake, as reinforcing material, improve the resistance to water of epoxy coating, stretching
Intensity and wearability.
Technical solution of the present invention is as follows:
Further, described epoxy resin is the one in E-44, E-54 or E-51.
Further, the particle diameter of described glass flake is 60-120 mesh.
Further, the silicone oil used is the one of methyl-silicone oil, ethyl silicon oil, Methyl Hydrogen Polysiloxane Fluid, MethylethoxylsiliconFluid Fluid.
Further, the epoxy hardener used is the one of low molecule pa resin TY-300, TY-200, TY-203.
Further, the silane coupler used is KH530, the one of KH550, KH570.
Further, described solventless coatings is formulated according to following steps:
1) preparation of silane coupler solution
With dehydrated alcohol and distilled water as blending agent, silane coupler is instilled stirring 5-15min in ethanol solution, stands
Standby.
2) powder pretreatment
For making the compatibility that filler can be good with resin formation, by glass flake and basalt glass powder body in silane coupler solution
Middle immersion 0.5-2h, filters, naturally dries, and dries 1-2h by 100-120 DEG C, lowers the temperature standby.
3) preparation of solventless epoxy coating
First epoxy resin, epoxy hardener are carried out in 60-80 DEG C of water-bath heating, viscosity reducing.Controlling stir speed (S.S.) is
500-1000rmp, temperature at 60-80 DEG C, the glass flake be sequentially added into epoxy resin in agitator, processing and basalt
Glass powder, silicone oil and part diluent and epoxy hardener, stir 10-30min, obtain solvent-free epoxy coating.
4) preparation of epoxy coating
Above-mentioned solventless epoxy coating is coated in the Teflon mould of 10*10cm, places in thermostatic constant wet chamber
24h solidifies, and obtains epoxy coating.
The inventive principle of the present invention is as follows:
Glass flake is thickness 2-20um, and sheet footpath, at the glass flake of 0.1-3.2mm, excellent anti-permeability performance, is commonly used for preventing
The filler of rotten coating;And basalt glass, it is a kind of novel material, Mohs' hardness is 7-8, and tensile strength is 4000MPa,
Water, acidproof, alkaline-resisting absolutely, thermostable and low temperature (hot operation temperature is 935 DEG C, and low-temperature working temperature is-269 DEG C), and
And do not pollute during producing and using.Add basalt glass powder body to solventless epoxy coating, will have interface and strengthen
Effect, micro aggregate effect and plasticization effect, it is expected to improve physics and the mechanical performance of epoxy coating.Glass flake and the Black Warrior
Rock glass powder is inorganic powder, for improving the adhesion of powder body and resin, uses silane coupler to be modified.
The present invention compared with prior art, has the advantage that
1) for improve the wellability that resin separates with basalt glass with glass flake, coupling agent modified glass flake and the Black Warrior are used
Rock glass powder, enables filler to disperse in resin and the compatibility arranged in parallel, good with resin formation.
2) water absorption rate of the solventless epoxy coating strengthened without basalt glass powder body and glass flake is 3%, and hot strength is
11MPa, the wear extent of the unit are of film is 26g cm2。
And the water absorption rate of the solventless epoxy coating strengthened through basalt glass powder body and glass flake is only 0.45%, hot strength
For 35MPa, the wear extent of the unit are of film is 11g cm2, antiseptic property is excellent.
Detailed description of the invention
Below in conjunction with detailed description of the invention, embodiment, present invention is described in detail:
Described having is solvent-free formulated according to following steps:
1) preparation of silane coupler solution
With dehydrated alcohol and distilled water as blending agent, silane coupler is instilled stirring 5-15min in ethanol solution, stands
Standby.
2) powder pretreatment
For making the compatibility that filler can be good with resin formation, by glass flake and basalt glass powder body in silane coupler solution
Middle immersion 0.5-2h, filters, naturally dries, and dries 1-2h by 100-120 DEG C, lowers the temperature standby.
3) preparation of solventless epoxy coating
First epoxy resin, epoxy hardener are carried out in 60-80 DEG C of water-bath heating, viscosity reducing.Controlling stir speed (S.S.) is
500-1000rmp, temperature at 60-80 DEG C, the glass flake be sequentially added into epoxy resin in agitator, processing and basalt
Glass powder, silicone oil and part diluent and epoxy hardener, stir 10-30min, obtain solvent-free epoxy coating.
4) preparation of epoxy coating
Above-mentioned solventless epoxy coating is coated in the Teflon mould of 10*10cm, places in thermostatic constant wet chamber
24h solidifies, and obtains epoxy coating.
(2) embodiment:
Embodiment 1
Described having is solvent-free formulated according to following steps:
1) preparation of solventless epoxy coating
First epoxy resin, epoxy hardener are carried out heating, viscosity reducing in 60 DEG C of water-baths.Control stir speed (S.S.) is 500rmp, temperature
At 60 DEG C, be sequentially added in agitator epoxy resin, silicone oil, diluent and, epoxy hardener, stir 10min, i.e.
Obtain solvent-free epoxy coating.
2) preparation of epoxy coating
Above-mentioned solventless epoxy coating is coated in the Teflon mould of 10*10cm, places in thermostatic constant wet chamber
24h solidifies, and obtains epoxy coating.
Embodiment 2
Described having is solvent-free formulated according to following steps:
1) preparation of silane coupler solution
With dehydrated alcohol and distilled water as blending agent, by silane coupled instillation alcoholic solution, stir 5min, stand for standby use.
2) powder pretreatment
For making the compatibility that filler can be good with resin formation, by glass flake and basalt glass powder body in silane coupler solution
Middle immersion, filters, naturally dries, and dries 1h by 100 DEG C, lowers the temperature standby.
3) preparation of solventless epoxy coating
First epoxy resin, epoxy hardener are carried out heating, viscosity reducing in 65 DEG C of water-baths.Control stir speed (S.S.) is 600rmp, temperature
At 65 DEG C, the glass flake be sequentially added into epoxy resin in agitator, processing and basalt glass powder body, silicone oil and dilute
Release agent and epoxy hardener, stir 15min, obtain solvent-free epoxy coating.
4) preparation of epoxy coating
Above-mentioned solventless epoxy coating is coated in the Teflon mould of 10*10cm, places in thermostatic constant wet chamber
24h solidifies, and obtains epoxy coating.
Embodiment 3
Described having is solvent-free formulated according to following steps:
1) preparation of silane coupler solution
With dehydrated alcohol and distilled water as blending agent, by silane coupled instillation alcoholic solution, stir 8min, stand for standby use.
2) powder pretreatment
For making the compatibility that filler can be good with resin formation, by glass flake and basalt glass powder body in silane coupler solution
Middle immersion, filters, naturally dries, and dries 1.2h by 105 DEG C, lowers the temperature standby.
3) preparation of solventless epoxy coating
First epoxy resin, epoxy hardener are carried out heating, viscosity reducing in 70 DEG C of water-baths.Control stir speed (S.S.) is 900rmp, temperature
At 70 DEG C, the glass flake be sequentially added into epoxy resin in agitator, processing and basalt glass powder body, silicone oil and dilute
Release agent and epoxy hardener, stir 20min, obtain solvent-free epoxy coating.
4) preparation of epoxy coating
Above-mentioned solventless epoxy coating is coated in the Teflon mould of 10*10cm, places in thermostatic constant wet chamber
24h solidifies, and obtains epoxy coating.
Embodiment 4
Described having is solvent-free formulated according to following steps:
1) preparation of silane coupler solution
With dehydrated alcohol and distilled water as blending agent, by silane coupled instillation alcoholic solution, stir 15min, stand for standby use.
2) powder pretreatment
For making the compatibility that filler can be good with resin formation, by glass flake and basalt glass powder body in silane coupler solution
Middle immersion, filters, naturally dries, and dries 2h by 120 DEG C, lowers the temperature standby.
3) preparation of solventless epoxy coating
First epoxy resin, epoxy hardener are carried out heating, viscosity reducing in 80 DEG C of water-baths.Control stir speed (S.S.) is 1000rmp, temperature
Degree at 80 DEG C, the glass flake be sequentially added into epoxy resin in agitator, processing and basalt glass powder body, silicone oil and
Diluent and epoxy hardener, stir 30min, obtain solvent-free epoxy coating.
4) preparation of epoxy coating
Above-mentioned solventless epoxy coating is coated in the Teflon mould of 10*10cm,
In thermostatic constant wet chamber, place 24h solidification, obtain epoxy coating.
Embodiment 5 (most preferred embodiment)
Described having is solvent-free formulated according to following steps:
1) preparation of silane coupler solution
With dehydrated alcohol and distilled water as blending agent, by silane coupled instillation alcoholic solution,
Stirring 10min, stand for standby use.
2) powder pretreatment
For making the compatibility that filler can be good with resin formation, by glass flake and basalt glass powder body in silane coupler solution
Middle immersion, filters, naturally dries, and dries 1.8h by 110 DEG C, lowers the temperature standby.
3) preparation of solventless epoxy coating
First epoxy resin, epoxy hardener are carried out heating, viscosity reducing in 75 DEG C of water-baths.Control stir speed (S.S.) is 800rmp, temperature
At 75 DEG C, the glass flake be sequentially added into epoxy resin in agitator, processing and basalt glass powder body, silicone oil and dilute
Release agent and epoxy hardener, stir 25min, obtain solvent-free epoxy coating.
4) preparation of epoxy coating
Above-mentioned solventless epoxy coating is coated in the Teflon mould of 10*10cm,
In thermostatic constant wet chamber, place 24h solidification, obtain epoxy coating.
In various embodiments above
Described glass flake is 100 mesh.
Described epoxy resin is E-54.
Described silane coupler is KH-570.
Described epoxy hardener is TY-300.
Described reactive diluent is tert-butyl group phenolic group glycidyl ether.
Described silicone oil is MethylethoxylsiliconFluid Fluid.
In various embodiments above:
The water absorption rate of coating: according to the water absorption rate of HG/T3344-2012 testing coating
The tensile strength of coating: according to the tensile strength of HG/T1447-2005 testing coating
The wear extent test of coating: use GB/T1768-2006 to test
Chemical resistance of coating can be according to: GB1763-79 tests
The experimental data of each embodiment test of table 1-solventless epoxy coating
It is apparent that various embodiments of the present invention solventless epoxy coating under difficult environmental conditions has preferably from table 1
Machinery and antiseptic property.
Technical scheme is simply explained in detail by above-mentioned detailed description of the invention, and the present invention is not only limited only to
State embodiment, it will be understood by those skilled in the art that every according to the improvement on the basis of the present invention of above-mentioned principle and spirit, replace
Generation, all should be within protection scope of the present invention.
Claims (8)
1. a solventless epoxy coating, it is characterised in that: by weight, including:
Solventless epoxy coating the most according to claim 1, it is characterised in that: described epoxy resin is E-44, E-54
Or the one in E-51.
Solventless epoxy coating the most according to claim 1, it is characterised in that: the particle diameter of described glass flake is 60-120
Mesh.
Solventless epoxy coating the most according to claim 1, it is characterised in that: the silicone oil used is methyl-silicone oil, second
One in base silicone oil, Methyl Hydrogen Polysiloxane Fluid, MethylethoxylsiliconFluid Fluid.
Solventless epoxy coating the most according to claim 1, it is characterised in that: the epoxy hardener used is low molecule
One in polyamide TY-300, TY-200, TY-203.
Solventless epoxy coating the most according to claim 1, it is characterised in that: the silane coupler used is KH530,
One in KH550, KH570.
Solventless epoxy coating the most according to claim 1, it is characterised in that: the reactive diluent used is the tert-butyl group
One in phenol glycidyl ether, butyl glycidyl ether, n-octyl glycidyl ether.
8. according to the preparation method of the solventless epoxy coating described in any one in claim 1-7, it is characterised in that: include
Following steps:
1) preparation of silane coupler solution
With dehydrated alcohol and distilled water as blending agent, silane coupler is instilled stirring 5-15min in ethanol solution, stands
Standby;
2) powder pretreatment
For making the compatibility that filler can be good with resin formation, by glass flake and basalt glass powder body in silane coupler solution
Middle immersion 0.5-2h, filters, naturally dries, and dries 1-2h by 100-120 DEG C, lowers the temperature standby;
3) preparation of solventless epoxy coating
First epoxy resin, epoxy hardener are carried out in 60-80 DEG C of water-bath heating, viscosity reducing;Controlling stir speed (S.S.) is
500-1000rmp, temperature at 60-80 DEG C, the glass flake be sequentially added into epoxy resin in agitator, processing and basalt
Glass powder, silicone oil and part diluent and epoxy hardener, stir 10-30min, obtain solvent-free epoxy coating;
4) preparation of epoxy coating
Above-mentioned solventless epoxy coating is coated in the Teflon mould of 10*10cm, place in thermostatic constant wet chamber to
Few 24h solidification, obtains epoxy coating.
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CN201610460971.3A CN106147515A (en) | 2016-06-22 | 2016-06-22 | A kind of solventless epoxy coating and preparation method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107384118A (en) * | 2017-06-15 | 2017-11-24 | 东南大学 | Modified basalt scale solvent-free epoxy resin anticorrosive paint and preparation method thereof |
CN109913012A (en) * | 2019-02-01 | 2019-06-21 | 刘建卡 | A kind of humidity application over rust solvent-free epoxy heavy-duty anticorrosive coating and preparation method thereof |
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CN103194146A (en) * | 2013-04-28 | 2013-07-10 | 吉林大学 | High-temperature resistant, anti-sticking and anticorrosive thermoplastic coating for inner walls of metal pipelines and preparation method thereof |
CN104004326A (en) * | 2013-02-26 | 2014-08-27 | 东丽先端材料研究开发(中国)有限公司 | Polyester composite material and preparation method thereof |
CN104710908A (en) * | 2015-03-23 | 2015-06-17 | 阜阳市诗雅涤新材料科技有限公司 | Special anticorrosion conductive powder coating for vertical shaft fluidized bed dip-coating as well as preparation method and application of coating |
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2016
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RU2057157C1 (en) * | 1992-05-26 | 1996-03-27 | Ефанова Вера Васильевна | Oil- and benzo-resistant polymer composition for coatings |
CN104004326A (en) * | 2013-02-26 | 2014-08-27 | 东丽先端材料研究开发(中国)有限公司 | Polyester composite material and preparation method thereof |
CN103194146A (en) * | 2013-04-28 | 2013-07-10 | 吉林大学 | High-temperature resistant, anti-sticking and anticorrosive thermoplastic coating for inner walls of metal pipelines and preparation method thereof |
CN104710908A (en) * | 2015-03-23 | 2015-06-17 | 阜阳市诗雅涤新材料科技有限公司 | Special anticorrosion conductive powder coating for vertical shaft fluidized bed dip-coating as well as preparation method and application of coating |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107384118A (en) * | 2017-06-15 | 2017-11-24 | 东南大学 | Modified basalt scale solvent-free epoxy resin anticorrosive paint and preparation method thereof |
CN109913012A (en) * | 2019-02-01 | 2019-06-21 | 刘建卡 | A kind of humidity application over rust solvent-free epoxy heavy-duty anticorrosive coating and preparation method thereof |
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Application publication date: 20161123 |