CN104513591A - Medium-and-low temperature cured thinly-coated powder coating for household electrical appliance and preparation method for medium-and-low temperature cured thinly-coated powder coating - Google Patents
Medium-and-low temperature cured thinly-coated powder coating for household electrical appliance and preparation method for medium-and-low temperature cured thinly-coated powder coating Download PDFInfo
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- CN104513591A CN104513591A CN201410828406.9A CN201410828406A CN104513591A CN 104513591 A CN104513591 A CN 104513591A CN 201410828406 A CN201410828406 A CN 201410828406A CN 104513591 A CN104513591 A CN 104513591A
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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
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
- C09D5/035—Coloring agents, e.g. pigments
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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
- C09D7/47—Levelling agents
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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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- 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
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a medium-and-low temperature cured thinly-coated powder coating for a household electrical appliance and a preparation method for the medium-and-low temperature cured thinly-coated powder coating, and belongs to the technical field of coatings. The medium-and-low temperature cured thinly-coated powder coating is prepared from end carboxyl polyester resin, epoxy resin E-12, a flatting agent, a de-foaming agent, a low-temperature curing agent, a pigment and a filler by mixing at a high speed in a high-speed material mixing cylinder, extruding from a screw extruder, performing graded grinding in an ACM pulverizer and screening. According to the medium-and-low temperature cured thinly-coated powder coating for the household electrical appliance and the preparation method for the medium-and-low temperature cured thinly-coated powder coating, the medium-and-low temperature cured powder coating is prepared by adopting the raw materials which are in reasonable ratio according to a charging sequence limited by the invention; a variety of different colors can be generated by coating the medium-and-low temperature cured powder coating on the household electrical appliance; the medium-and-low temperature cured powder coating has a special strong shining effect, has high adhesion force, high-temperature resistance, and high heat conductivity, and is cured at a medium-and-low temperature; the medium-and-low temperature cured powder coating is coated moderately or thinly (150 DEG C/10 to 15 minutes); the thickness of a film is 10 to 50 mm; the current market demand is met; the quality of a product is guaranteed; the energy is saved; moreover, the using cost of a household electrical appliance manufacturer is reduced.
Description
Technical field
The invention belongs to technical field of coatings, be specifically related to a kind of efficient energy-saving, middle low-temperature curing scumbling household electrical appliances powder coating that cost is low and preparation method thereof.
Background technology
Current household electrical appliances market adopts powder powder, substantially adopts 180-200 DEG C of 10-15 minute set time, thickness 60-80mm.In the energy, do not accomplish energy-conservation effect.Because low-temperature curing powder powder (120 DEG C/20min) exists levelling difference, storage difference shortcoming, cannot high volume applications in household electrical appliances application, and scumbling (25-35mm) requires high to coating equipment, concerning household electrical appliances producer, throw huge fund and current device is transformed, neither gear to actual circumstances very much.
Summary of the invention
For the above-mentioned problems in the prior art, middle low-temperature curing scumbling household electrical appliances powder coating that object of the present invention provides a kind of efficient energy-saving, cost low and preparation method thereof.
Low-temperature curing scumbling household electrical appliances powder coating in described one, is characterized in that in household electrical appliances powder coating be 100 parts, is made up of the component of following parts by weight:
End carboxyl alkyd resin 10-30 part
Epoxy resin E-12 30-50 part
Flow agent 0.7-1.2 part
Defoamer 0.3-0.6 part
Low temperature curing agent 3-6 part
Pigment 0-10 part
Filler surplus.
Low-temperature curing scumbling household electrical appliances powder coating in described one, is characterized in that in household electrical appliances powder coating be 100 parts, is made up of the component of following parts by weight:
End carboxyl alkyd resin 15-25 part
Epoxy resin E-12 35-45 part
Flow agent 0.8-1 part
Defoamer 0.4-0.5 part
Low temperature curing agent 4-5 part
Pigment 2-8 part
Filler surplus.
Low-temperature curing scumbling household electrical appliances powder coating in described one, is characterized in that in household electrical appliances powder coating be 100 parts, is made up of the component of following parts by weight:
End carboxyl alkyd resin 20 parts
Epoxy resin E-12 40 parts
Flow agent 1 part
Defoamer 0.5 part
Low temperature curing agent 5 parts
Pigment 2-6 part
Filler surplus.
Low-temperature curing scumbling household electrical appliances powder coating in described one, is characterized in that described flow agent is BYK-331.
Low-temperature curing scumbling household electrical appliances powder coating in described one, is characterized in that described low temperature curing agent comprises phenolic resin curative, imidazoles epoxy hardener.
Low-temperature curing scumbling household electrical appliances powder coating in described one, is characterized in that described pigment is at least one in transparent orchid, phthalein viridescent or spangles.
Low-temperature curing scumbling household electrical appliances powder coating in described one, is characterized in that described defoamer is tributyl phosphate, silicone emulsion, polyoxyethylene, polyoxypropylene, tetramethylolmethane ether or polyoxy propyl alcohol amidogen ether.
Low-temperature curing scumbling household electrical appliances powder coating in described one, is characterized in that described filler is any one and magnesian mixture in kaolin, glass powder, anhydrous transparent powder, talcum powder or sheet mica.
Low-temperature curing scumbling household electrical appliances powder coating in described one, it is characterized in that the acid number of described end carboxyl alkyd resin is softening temperature≤90 of 65-75mgKOH/g, epoxy resin E-12, oxirane value is 0.1-0.15.
The preparation method of described middle low-temperature curing scumbling household electrical appliances powder coating, end carboxyl alkyd resin, flow agent, defoamer, low temperature curing agent, pigment, filler and epoxy resin E-12 is it is characterized in that to drop into high speed compounding jar high-speed mixing in order 5 minutes, then extrude at screw extrusion press, forcing machine I district temperature 90-95 DEG C, II district temperature 100-105 DEG C, speed-frequency is 45HZ, work in-process after extruding carry out classification abrasive dust at ACM pulverizing mill, then 180-200 mesh sieve, making particle diameter reach D50 is 26-30mm.
By adopting above-mentioned technology, beneficial effect of the present invention is as follows: the present invention is by adopting the raw material of above-mentioned rational proportion, low-temperature curing household electrical appliances powder coating during the order of addition(of ingredients) limited by the present invention prepares, be coated on household electrical appliances and can produce multiple different colours, there is strongly glittering special-effect, and there is good sticking power, resistance to elevated temperatures, the capacity of heat transmission is also better, low-temperature curing in this coating, middle scumbling powder (150 DEG C/10-15min), thickness 10-50, meet current market demand, and product quality is secure, not only save energy, and reduce the use cost of household electrical appliances producer.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but protection scope of the present invention is not limited in this:
Embodiment 1: middle low-temperature curing scumbling household electrical appliances powder coating, is 100 parts in coating total amount, is made up of the component of following parts by weight:
End carboxyl alkyd resin (acid number is 65-75mgKOH/g) 30 parts
Epoxy resin E-12(softening temperature≤90, oxirane value is 0.1-0.15) 30 parts
BYK-331 0.7 part
Silicone emulsion 0.3 part
Estron G92 3 parts
Mass ratio is the phthalein viridescent of 5:1 and flash of light hybrid pigment 10 parts
Mass ratio is 1:1 glass powder and magnesia mixture surplus.
Its preparation method is: by end carboxyl alkyd resin, BYK-331, silicone emulsion, Estron G92, phthalein viridescent and flash of light hybrid pigment, glass powder and magnesia mixture and epoxy resin E-12 drop into high speed compounding jar high-speed mixing 5 minutes in order, then extrude at screw extrusion press, forcing machine I district temperature 90-95 DEG C, II district temperature 100-105 DEG C, speed-frequency is 45HZ, work in-process after extruding carry out classification abrasive dust at ACM pulverizing mill, then 180-200 mesh sieve, making particle diameter reach D50 is 26-30mm, obtain middle low-temperature curing scumbling household electrical appliances powder coating.
In above-described embodiment, described low temperature curing agent other phenolic resin curatives or imidazoles epoxy hardener replace Estron G92, transparent orchid used by described pigment, at least one in the dark green or spangles of phthalein replaces phthalein dark green with flash of light hybrid pigment, described defoamer tributyl phosphate, polyoxyethylene, polyoxypropylene, tetramethylolmethane ether or polyoxy propyl alcohol amidogen ether replace silicone emulsion, described filler kaolin, glass powder, anhydrous transparent powder, any one and magnesian mixture in talcum powder or sheet mica replace glass powder and magnesian mixture, all can obtain same technique effect.
Embodiment 2: middle low-temperature curing scumbling household electrical appliances powder coating, is 100 parts in coating total amount, is made up of the component of following parts by weight:
End carboxyl alkyd resin (acid number is 65-75mgKOH/g) 10 parts
Epoxy resin E-12(softening temperature≤90, oxirane value is 0.1-0.15) 50 parts
BYK-331 1.2 parts
Polyoxypropylene 0.6 part
Estron G92 6 parts
Transparent blue 1 part
Mass ratio is the anhydrous transparent powder of 1:1 and magnesia mixture surplus.
Its preparation method is with embodiment 1.
Embodiment 3: middle low-temperature curing scumbling household electrical appliances powder coating, is 100 parts in coating total amount, is made up of the component of following parts by weight:
End carboxyl alkyd resin (acid number is 65-75mgKOH/g) 15 parts
Epoxy resin E-12(softening temperature≤90, oxirane value is 0.1-0.15) 45 parts
BYK-331 1 part
Tributyl phosphate 0.4 part
Estron G92 5 parts
Mass ratio is talcum powder and the magnesia mixture surplus of 3:1.
Its preparation method is with embodiment 1.
Embodiment 4: middle low-temperature curing scumbling household electrical appliances powder coating, is 100 parts in coating total amount, is made up of the component of following parts by weight:
End carboxyl alkyd resin (acid number is 65-75mgKOH/g) 25 parts
Epoxy resin E-12(softening temperature≤90, oxirane value is 0.1-0.15) 35 parts
BYK-331 0.8 part
Silicone emulsion 0.4 part
2-ethyl-4-methylimidazole 5 parts
Spangles 8 parts
Mass ratio is the kaolin of 1:1:0.5, glass powder and magnesian mixture surplus.
Its preparation method is with embodiment 1.
Embodiment 5: middle low-temperature curing scumbling household electrical appliances powder coating, is 100 parts in coating total amount, is made up of the component of following parts by weight:
End carboxyl alkyd resin (acid number is 65-75mgKOH/g) 20 parts
Epoxy resin E-12(softening temperature≤90, oxirane value is 0.1-0.15) 40 parts
BYK-331 1 part
Silicone emulsion 0.5 part
Estron G92 5 parts
Dark green 2 parts of phthalein
Mass ratio is the anhydrous transparent powder of 3:1 and magnesian mixture surplus.
Its preparation method is with truth example 1.
The powder coating of each embodiment above-mentioned is through Performance Detection, and detected result is in table 1.
Claims (10)
1. a low-temperature curing scumbling household electrical appliances powder coating in, is characterized in that in household electrical appliances powder coating be 100 parts, is made up of the component of following parts by weight:
End carboxyl alkyd resin 10-30 part
Epoxy resin E-12 30-50 part
Flow agent 0.7-1.2 part
Defoamer 0.3-0.6 part
Low temperature curing agent 3-6 part
Pigment 0-10 part
Filler surplus.
2. low-temperature curing scumbling household electrical appliances powder coating in one according to claim 1, is characterized in that in household electrical appliances powder coating be 100 parts, is made up of the component of following parts by weight:
End carboxyl alkyd resin 15-25 part
Epoxy resin E-12 35-45 part
Flow agent 0.8-1 part
Defoamer 0.4-0.5 part
Low temperature curing agent 4-5 part
Pigment 2-8 part
Filler surplus.
3. low-temperature curing scumbling household electrical appliances powder coating in one according to claim 1, is characterized in that in household electrical appliances powder coating be 100 parts, is made up of the component of following parts by weight:
End carboxyl alkyd resin 20 parts
Epoxy resin E-12 40 parts
Flow agent 1 part
Defoamer 0.5 part
Low temperature curing agent 5 parts
Pigment 2-6 part
Filler surplus.
4. low-temperature curing scumbling household electrical appliances powder coating in one according to claim 1, is characterized in that described flow agent is BYK-331.
5. low-temperature curing scumbling household electrical appliances powder coating in one according to claim 1, is characterized in that described low temperature curing agent comprises phenolic resin curative, imidazoles epoxy hardener.
6. low-temperature curing scumbling household electrical appliances powder coating in one according to claim 1, is characterized in that described pigment is at least one in transparent orchid, phthalein viridescent or spangles.
7. low-temperature curing scumbling household electrical appliances powder coating in one according to claim 1, is characterized in that described defoamer is tributyl phosphate, silicone emulsion, polyoxyethylene, polyoxypropylene, tetramethylolmethane ether or polyoxy propyl alcohol amidogen ether.
8. low-temperature curing scumbling household electrical appliances powder coating in one according to claim 1, is characterized in that described filler is any one and magnesian mixture in kaolin, glass powder, anhydrous transparent powder, talcum powder or sheet mica.
9. low-temperature curing scumbling household electrical appliances powder coating in one according to claim 1, it is characterized in that the acid number of described end carboxyl alkyd resin is softening temperature≤90 of 65-75mgKOH/g, epoxy resin E-12, oxirane value is 0.1-0.15.
10. the preparation method of a middle low-temperature curing scumbling household electrical appliances powder coating according to claim 1, end carboxyl alkyd resin, flow agent, defoamer, low temperature curing agent, pigment, filler and epoxy resin E-12 is it is characterized in that to drop into high speed compounding jar high-speed mixing in order 5 minutes, then extrude at screw extrusion press, forcing machine I district temperature 90-95 DEG C, II district temperature 100-105 DEG C, speed-frequency is 45HZ, work in-process after extruding carry out classification abrasive dust at ACM pulverizing mill, then 180-200 mesh sieve, making particle diameter reach D50 is 26-30mm.
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| CN201410828406.9A CN104513591A (en) | 2014-12-29 | 2014-12-29 | Medium-and-low temperature cured thinly-coated powder coating for household electrical appliance and preparation method for medium-and-low temperature cured thinly-coated powder coating |
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| CN201410828406.9A CN104513591A (en) | 2014-12-29 | 2014-12-29 | Medium-and-low temperature cured thinly-coated powder coating for household electrical appliance and preparation method for medium-and-low temperature cured thinly-coated powder coating |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104910769A (en) * | 2015-05-19 | 2015-09-16 | 成都纳硕科技有限公司 | Powder coating containing talcum powder filler |
| CN105949724A (en) * | 2016-05-31 | 2016-09-21 | 苏州市奎克力电子科技有限公司 | Impact-resistant insulating protective material and preparation method thereof |
| CN107513334A (en) * | 2017-09-20 | 2017-12-26 | 江南载福粉末涂料（张家港）有限公司 | A kind of low-temperature setting insulating epoxy powder coating |
| CN109266185A (en) * | 2018-10-16 | 2019-01-25 | 上海国丽粉体涂料有限公司 | A kind of powdery paints and application thereof |
| CN111019486A (en) * | 2019-12-26 | 2020-04-17 | 成都新柯力化工科技有限公司 | Inorganic whisker fiber toughened epoxy resin powder anticorrosive paint and preparation method thereof |
| CN115595042A (en) * | 2022-10-26 | 2023-01-13 | 金华信拓材料科技有限公司（Cn） | Thermosetting molding powder |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104910769A (en) * | 2015-05-19 | 2015-09-16 | 成都纳硕科技有限公司 | Powder coating containing talcum powder filler |
| CN105949724A (en) * | 2016-05-31 | 2016-09-21 | 苏州市奎克力电子科技有限公司 | Impact-resistant insulating protective material and preparation method thereof |
| CN105949724B (en) * | 2016-05-31 | 2018-07-24 | 江苏申源新材料有限公司 | Impact resistance insulating protection material and preparation method thereof |
| CN107513334A (en) * | 2017-09-20 | 2017-12-26 | 江南载福粉末涂料（张家港）有限公司 | A kind of low-temperature setting insulating epoxy powder coating |
| CN107513334B (en) * | 2017-09-20 | 2020-03-27 | 江南载福粉末涂料（张家港）有限公司 | Low-temperature curing insulating epoxy powder coating |
| CN109266185A (en) * | 2018-10-16 | 2019-01-25 | 上海国丽粉体涂料有限公司 | A kind of powdery paints and application thereof |
| CN111019486A (en) * | 2019-12-26 | 2020-04-17 | 成都新柯力化工科技有限公司 | Inorganic whisker fiber toughened epoxy resin powder anticorrosive paint and preparation method thereof |
| CN115595042A (en) * | 2022-10-26 | 2023-01-13 | 金华信拓材料科技有限公司（Cn） | Thermosetting molding powder |
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Application publication date: 20150415 |