CN105482691A - Strippable blue gel and preparation process thereof - Google Patents
Strippable blue gel and preparation process thereof Download PDFInfo
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- CN105482691A CN105482691A CN201610038614.8A CN201610038614A CN105482691A CN 105482691 A CN105482691 A CN 105482691A CN 201610038614 A CN201610038614 A CN 201610038614A CN 105482691 A CN105482691 A CN 105482691A
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
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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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/38—Polysiloxanes modified by chemical after-treatment
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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
- C09D5/20—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for coatings strippable as coherent films, e.g. temporary coatings strippable as coherent films
-
- 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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Abstract
The invention discloses strippable blue gel and a preparation process thereof. The strippable blue gel comprises, in parts by weight, 30-60 parts of UV (ultraviolet) curing resin A, 30-60 parts of UV curing resin B, 0.05-0.1 parts of a leveling agent, 1-10 parts of a wetting agent, 0.2-1 part of a defoaming agent, 1-10 parts of blue UV color paste, 3-5 parts of a photoinitiator A and 3-5 parts of a photoinitiator B. The strippable blue gel can be quickly cured under 365nm UV irradiation after being applied, curing takes 1-10 s, the binding force is good, the blue gel does not peel or fall off, is easy to strip and can be intactly stripped, no stains are left, and the strippable blue gel can be applied to insulation, dampness resistance, pollution prevention and scratch avoidance of materials such as PET (polyethylene terephthalate), an ITO (indium-tin oxide) conductive film, ITO, mobile phone glass, tempered glass windows and the like.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of peelable blue glue and preparation technology thereof, this peelable blue glue is specially adapted to the solidification of 365nmUV-LED light source irradiation.
Background technology
In recent years, the fast development of digital product has driven the fast development of touch-screen industry.High performance touch-screen preparation technology needs to have the ink of resistance erosion function or " peelable blue gel ", " surface protective glue " of metallic surface processing protection.When manufacturing printed board, on plate, some part often will adopt adhesive to hide, in order to avoid poured by tin during scolding tin, the such as plate face of golden finger, interface card, carbonaceous conductive button and larger area, these all need optionally scolding tin and multiple scolding tin continuously, as the hybrid precast of SMD, Reflow Soldering craft and automatic and other soldering tin techniques etc.Use for reference the protected mode of peelable blue gel in PCB industry printed circuit board technology, adopt printing peelable glue to avoid touch-screen to sustain damage in the mill, enhance productivity and product quality.Usually; peelable glue is a kind of single component touch-screen special isolation protection pliability ink; color is blue glutinous thick liquid, and the peelable glue coating after high temperature resistant is more prone to peel off, and toughness also can be strengthened; can peel off easily with hand or instrument after application; and do not have residue at material surface or polluting material, do not need secondary cleaning, have that sticking power is good, cull, endurance (acid-basicity) are unexcellent; the advantages such as level and smooth light is easily shelled, easy to operate.Be mainly used in the insulation plated film flow process of transparent ITO conductive glass, ito thin film, PET film in touch-screen, by silk screen printing in PET film and glass, play in process of production after baking film forming and prevent the effect that material is contaminated or scratch, on the touchscreen, before line bonding, available simple and easy method is taken off, and once peels off clean.
Current peelable blue glue generally heats and is cured more than 100 DEG C, and solidification value is high, and general peelable blue glue equally also lifetime is long, stripping process exist loaded down with trivial details, have the problems such as residual.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of can fast curing-formed, peelable blue glue that bonding force is good and preparation technology thereof.The preparation technology of this invention is simple, and the peelable blue glue peeling effect obtained is good.
Technical scheme of the present invention is specifically described as follows.
A kind of peelable blue glue, calculates by weight, its raw material composition and content as follows:
Wherein: the chemical structural formula of described UV cured resin A is as follows:
Wherein: m is the integer within the scope of 1-30; N is the integer within the scope of 1-30;
Described UV cured resin B is selected from double pentaerythritol methacrylate, diethylene glycol diacrylate, tetrahydrofuran (THF) acrylate, tetramethylol methane tetraacrylate, ethoxylated bisphenol A dimethacrylate, two-trimethylolpropane tetra-acrylate, three (2-hydroxyethyl) isocyanuric acid triacrylate, pentaerythritol triacrylate, ethoxyquin Viscoat 295, third oxidation Viscoat 295, ethoxyquin tetramethylol methane tetraacrylate, isobornyl acrylate, Tricyclodecane Dimethanol diacrylate, third oxidation neopentylglycol diacrylate, ethoxyquin Viscoat 295, hyperbranched polyester acrylic ester, alkoxy acrylic ester, carbonic acid mono acrylic ester, imidazolyl mono acrylic ester, cyclic carbonate ester mono acrylic ester, epoxy silicone monomer, silicone acrylate, and one or more in vinyl ethers monomer,
Described blue UV mill base is the three-dimensional magnetics of 600 order ~ 800 object 3D;
Described light trigger A is selected from one or more in BASF Irgacure1173, Irgacure184D, IrgacureTPO, Irgacure369, Irgacure651, Irgacure379, Irgacure819, Irgacure907 or macromolecular photoinitiator EsacureKIP150;
Described photoinitiator b is selected from one or more in BASF BASF light trigger Irgacure2959, IRGACURE500 or IRGACURE819DW.
In the present invention, described UV cured resin A calculates by weight, its raw material composition and content as follows:
Described UV cured resin A carries out as follows:
Methyl and phenyl hydrogen-containing silicon oil and Viscoat 295 are joined in reaction vessel in proportion; add stopper again; pass into shielding gas; stir and heat, being warming up to 60 ~ 80 DEG C, adding catalyzer; stir lower constant temperature 3 ~ 5h; stop heating, treat that temperature drops to room temperature, obtain UV cured resin A.
In the present invention, described flow agent is one or more in enlightening height TegoGlide410, German BYK Bi Ke BYK-UV3510, BYK-341, BYK-344, BYK-345, BYK-346, BYK-347 or BYK-348; Described wetting agent is the NP-100 of LG-DOW company; Described defoamer is selected from one or more in German BYK Bi Ke BYK-024, BYK-025, BYK-035, BYK-037, BYK-038, BYK-044 or BYK-038.
The present invention also provides a kind of preparation technology of peelable blue glue, and concrete steps are as follows:
According to formula, wetting agent, flow agent, defoamer and blue UV mill base is added in the high speed dispersor controlling rotating speed 300-400r/min, after disperseing 15-20min under 600-800r/min rotating speed, rotating speed is down to 300r/min, add UV cured resin A, UV cured resin B and light trigger A, photoinitiator b, continue dispersion 5-10min, mix, namely obtain peelable blue glue.
Useful achievement of the present invention is as follows:
The peelable blue glue of one of the present invention, containing numerous cross-linked acrylic acid ester structure, achieves fast setting under 365nmUV-LED irradiates.The peelable blue glue of above-mentioned gained, adopt the NDJ-1 rotational viscosimeter that Shanghai sharp bearing device Manufacturing Co., Ltd provides, pass through GB/T2794-2013, " the mensuration list cylinder rotary viscosimeter method of tackiness agent viscosity ", detect under the condition of room temperature 25 DEG C, its viscosity is 25000 ~ 40000mPa.s.
The peelable blue glue of gained of the present invention, carry out the fineness test of peelable blue glue by GB/T6753.1-2007 standard " mensuration of colored paint, varnish and printing-ink mesh-of-grind ", recording fineness is :≤5 μm.
Through the surface of the slide glass of the peelable blue glue of UV nail polish light irradiation precoating after the peelable blue glue film of gained of the present invention, according to the fingers-touch method (surface of the peelable blue glue of the cured for some time that press...withes one's finger, using tack-free as completely crued standard, when solidifying completely with peelable blue glue, the shortest time used characterizes), after testing, the set time of the peelable blue glue of quick-drying of the present invention is 1-5s.
Further, the peelable blue glue of one of the present invention, UV cured resin A molecular structure as main film forming substance is organosilicon structures, there is very low surface energy, reduce the interaction between film and base material, make it to embody better from separability, stripping strength adopt Shenzhen newly to think carefully the CMT5104 electronic tension tester of company at room temperature carries out the stripping test of 180 ° by GB/T2790-1995 standard " tackiness agent 180 ° of peeling strength test methods ", draw speed 50mm/min; Recording stripping strength is 0.21 ~ 0.25kN/m;
In sum, the peelable blue glue of one of the present invention, has higher hardness of film, gloss after film.And its preparation method due to technique simple, easy to control, the maturation that therefore possesses skills, the feature such as quick, efficient, and be suitable for suitability for industrialized production.
Embodiment
Below by embodiment, the present invention is described in further detail, but do not limit the present invention.
In the raw material that various embodiments of the present invention are used except the special producer that shows and specification, other raw materials are commercially available, and specification is chemical pure.
The model of the various equipment that the present invention is used and the information of manufacturer as follows:
GFJ-0.4 type high speed dispersor, Shanghai Xin Nuo plant and instrument company limited produces;
The hard instrument QHQ of film Pencil scratch, Tianjin material-testing machine factory produces;
The portable mirror luster meter of WGG-60, Shanghai is praised mapping test instrument company limited and is produced.
Embodiment 1
A kind of peelable blue glue, calculates by weight, its raw material composition and content as follows:
Wherein: described UV cured resin A calculates by weight, its composition and content as follows:
Described UV cured resin A carries out as follows: join in the there-necked flask of 500ml by 10 parts of methyl and phenyl hydrogen-containing silicon oils, 8 parts of 4-vinyl epoxy cyclopropane and 10 parts of Viscoat 295s; add the stopper MEHQ of 0.01 part again; pass into shielding gas; stir and heat, being warming up to 60 DEG C, adding 0.03 part of catalyzer Platinic chloride/aqueous isopropanol; stir lower constant temperature 3h; stop heating, treat that flask temperature drops to room temperature, obtain UV cured resin A.
Described UV cured resin B be tetramethylol methane tetraacrylate, two-trimethylolpropane tetra-acrylate, isobornyl acrylate in mass ratio 2:2:1 composition mixture;
Described flow agent is enlightening height TegoGlide410;
Described wetting agent is the NP-100 of LG-DOW company;
Described defoamer is the mixture of German BYK-035, BYK-037 1:1 in mass ratio;
The blue UV mill base of violet 3D that described blue UV mill base provides for Guangzhou Xin Bo pigment Science and Technology Ltd.;
Described light trigger A be BASF BASF light trigger Irgacure1173, IrgacureTPO, Irgacure907 in mass ratio 1:1:1 composition mixture;
Described photoinitiator b be BASF BASF light trigger Irgacure2959, IRGACURE500 in mass ratio 1:1 composition mixture;
In the present embodiment, a kind of preparation technology of peelable blue glue, specifically comprises the steps:
According to formula, 1 part of wetting agent, 0.05 part of flow agent, 0.2 part of defoamer and 1 part of blue UV mill base is added in the GFJ-0.4 type high speed dispersor (Shanghai Xin Nuo plant and instrument company limited) controlling rotating speed 300r/min, after disperseing 15min under 600r/min rotating speed, rotating speed is down to 300r/min, add 30 parts of UV cured resin A, 30 parts of UV cured resin B and 3 part of light trigger A, 3 parts of photoinitiator bs, continue dispersion 5min, mix, namely obtain peelable blue glue.
The peelable blue glue of the present embodiment gained, adopt the NDJ-1 rotational viscosimeter that Shanghai sharp bearing device Manufacturing Co., Ltd provides, by GB/T2794-2013, " the mensuration list cylinder rotary viscosimeter method of tackiness agent viscosity ", detect under the condition of room temperature 25 DEG C, its viscosity is 25000mPa.s.
The peelable blue glue of the present embodiment gained, carry out the fineness test of peelable blue glue by GB/T6753.1-2007 standard " mensuration of colored paint, varnish and printing-ink mesh-of-grind ", recording fineness is 4.5 μMs.
Through the surface of the slide glass of the peelable blue glue of UV-LED light irradiation precoating through 365nm after the peelable blue glue film of the present embodiment gained, according to the fingers-touch method (surface of the peelable blue glue of the cured for some time that press...withes one's finger, using tack-free as completely crued standard, when solidifying completely with peelable blue glue, the shortest time used characterizes), after testing, the set time of the peelable blue glue of quick-drying of the present invention is 5s.
Further, the peelable blue glue of one of the present embodiment, UV cured resin A molecular structure as main film forming substance is organosilicon structures, there is very low surface energy, reduce the interaction between film and base material, make it to embody better rippability, do not need to add stripping auxiliary agent again, effectively overcome the problem of residual stain after peeling off.The CMT5104 electronic tension tester that stripping strength adopts Shenzhen newly to think carefully company at room temperature carries out the stripping test of 180 ° by GB/T2790-1995 standard " tackiness agent 180 ° of peeling strength test methods ", draw speed 50mm/min; Recording stripping strength is 0.25kN/m;
Above, after the peelable blue glue film of embodiment 1 invention gained, there is curing speed faster, easily peel off.
Embodiment 2
A kind of peelable blue glue, calculates by weight, its raw material composition and content as follows:
Wherein: described UV cured resin A calculates by weight, its composition and content as follows:
Described UV cured resin A carries out as follows: join in the there-necked flask of 500ml by 20 parts of methyl and phenyl hydrogen-containing silicon oils, 12 parts of 4-vinyl epoxy cyclopropane and 40 parts of Viscoat 295s; add the stopper of 0.02 part again; pass into shielding gas; stir and heat, being warming up to 80 DEG C, adding 0.05 part of catalyzer; stir lower constant temperature 5h; stop heating, treat that flask temperature drops to room temperature, obtain UV cured resin A.
Described UV cured resin B be tetramethylol methane tetraacrylate, two-trimethylolpropane tetra-acrylate, isobornyl acrylate in mass ratio 1:1:1 composition mixture;
Described flow agent be German BYK-345, BYK-346 in mass ratio 1:1 composition mixture;
Described wetting agent is the NP-100 of LG-DOW company;
Described defoamer is German BYK Bi Ke BYK-024, BYK-025, BYK-035 is the mixture of 1:1:1 composition in mass ratio;
The blue UV mill base of the three-dimensional 3D of olive-green that described blue UV mill base provides for Guangzhou Xin Bo pigment Science and Technology Ltd.;
Described light trigger A be BASF BASF light trigger IrgacureTPO, Irgacure369, Irgacure819 in mass ratio 2:1:1 composition mixture;
Described photoinitiator b be BASF BASF light trigger Irgacure2959, IRGACURE500 in mass ratio 2:1 composition mixture;
In the present embodiment, a kind of preparation technology of peelable blue glue, specifically comprises the steps:
According to formula, 10 parts of wetting agents, 0.1 part of flow agent, 1 part of defoamer and 10 parts of blue UV mill bases are added in the GFJ-0.4 type high speed dispersor (Shanghai Xin Nuo plant and instrument company limited) controlling rotating speed 400r/min, after disperseing 20min under 800r/min rotating speed, rotating speed is down to 300r/min, add 60 parts of UV cured resin A, 60 parts of UV cured resin B and 5 part of light trigger A, 5 parts of photoinitiator bs, continue dispersion 10min, mix, namely obtain peelable blue glue.
The peelable blue glue of the present embodiment gained, adopt the NDJ-1 rotational viscosimeter that Shanghai sharp bearing device Manufacturing Co., Ltd provides, by GB/T2794-2013, " the mensuration list cylinder rotary viscosimeter method of tackiness agent viscosity ", detect under the condition of room temperature 25 DEG C, its viscosity is 40000mPa.s.
The peelable blue glue of the present embodiment gained, carry out the fineness test of peelable blue glue by GB/T6753.1-2007 standard " mensuration of colored paint, varnish and printing-ink mesh-of-grind ", recording fineness is 3.5 μMs.
Through the surface of the slide glass of the peelable blue glue of UV-LED light irradiation precoating of 365nm after the peelable blue glue film of the present embodiment gained, according to the fingers-touch method (surface of the peelable blue glue of the cured for some time that press...withes one's finger, using tack-free as completely crued standard, when solidifying completely with peelable blue glue, the shortest time used characterizes), after testing, the set time of the peelable blue glue of quick-drying of the present invention is 1s.
After the peelable blue glue film of above embodiment 2 invention gained, there is curing speed faster, easily peel off.
Further, the peelable blue glue of one of the present embodiment, UV cured resin A molecular structure as main film forming substance is organosilicon structures, there is very low surface energy, reduce the interaction between film and base material, make it to embody better rippability, the CMT5104 electronic tension tester that stripping strength adopts Shenzhen newly to think carefully company at room temperature carries out the stripping test of 180 ° by GB/T2790-1995 standard " tackiness agent 180 ° of peeling strength test methods ", draw speed 50mm/min; Recording stripping strength is 0.21kN/m;
In sum, containing numerous crosslinking structure after the peelable blue glue curing of coating of one of the present invention, achieve fast setting on the one hand, the high speed curable of UV improves its curing speed, only has 1-5s; UV cured resin A molecular structure as main film forming substance is organosilicon structures, has very low surface energy, reduces the interaction between film and base material, makes it to embody better from separability, and stripping strength is 0.21 ~ 0.25kN/m; After 365nmUV-LED light irradiation, have quick setting capabilities after this is high temperature resistant peelable blue glue film, the good non-scale of bonding force comes off, it is easy, complete to peel off, and does not flow residual stain.
Above said content be only the present invention conceive under basic explanation, and according to any equivalent transformation that technical scheme of the present invention is done, all should protection scope of the present invention be belonged to.
Claims (5)
1. a peelable blue glue, is characterized in that, calculate by weight, its raw material composition and content as follows:
Wherein: the chemical structural formula of described UV cured resin A is as follows:
Wherein: m is the integer within the scope of 1-30; N is the integer within the scope of 1-30;
Described UV cured resin B is selected from double pentaerythritol methacrylate, diethylene glycol diacrylate, tetrahydrofuran (THF) acrylate, tetramethylol methane tetraacrylate, ethoxylated bisphenol A dimethacrylate, two-trimethylolpropane tetra-acrylate, three (2-hydroxyethyl) isocyanuric acid triacrylate, pentaerythritol triacrylate, ethoxyquin Viscoat 295, third oxidation Viscoat 295, ethoxyquin tetramethylol methane tetraacrylate, isobornyl acrylate, Tricyclodecane Dimethanol diacrylate, third oxidation neopentylglycol diacrylate, ethoxyquin Viscoat 295, hyperbranched polyester acrylic ester, alkoxy acrylic ester, carbonic acid mono acrylic ester, imidazolyl mono acrylic ester, cyclic carbonate ester mono acrylic ester, epoxy silicone monomer, silicone acrylate, and one or more in vinyl ethers monomer,
Described blue UV mill base is the three-dimensional magnetics of 600 order ~ 800 object 3D;
Described light trigger A is selected from one or more in BASF Irgacure1173, Irgacure184D, IrgacureTPO, Irgacure369, Irgacure651, Irgacure379, Irgacure819, Irgacure907 or macromolecular photoinitiator EsacureKIP150;
Described photoinitiator b is selected from one or more in BASF BASF light trigger Irgacure2959, IRGACURE500 or IRGACURE819DW.
2. peelable blue glue according to claim 1, is characterized in that, the viscosity at its 25 DEG C is 25000-40000mPa.s, Xi Du≤5 μm, and set time is 1-5s, and the stripping strength under draw speed 50mm/min is 0.21 ~ 0.25kN/m.
3. peelable blue glue according to claim 1, is characterized in that, described UV cured resin A calculates by weight, its raw material composition and content as follows:
The concrete preparation process of described UV cured resin A is as follows:
Methyl and phenyl hydrogen-containing silicon oil and Viscoat 295 are joined in reaction vessel in proportion; add stopper again; pass into shielding gas; stir and heat, being warming up to 60 ~ 80 DEG C, adding catalyzer; stir lower constant temperature 3 ~ 5h; stop heating, treat that temperature drops to room temperature, obtain UV cured resin A.
4. peelable blue glue according to claim 1, it is characterized in that, described flow agent is one or more in enlightening height TegoGlide410, German BYK Bi Ke BYK-UV3510, BYK-341, BYK-344, BYK-345, BYK-346, BYK-347 or BYK-348; Described wetting agent is the NP-100 of LG-DOW company; Described defoamer is selected from one or more in German BYK Bi Ke BYK-024, BYK-025, BYK-035, BYK-037, BYK-038, BYK-044 or BYK-038.
5. a preparation technology for peelable blue glue, it is characterized in that, concrete steps are as follows:
According to formula, wetting agent, flow agent, defoamer and blue UV mill base is added in the high speed dispersor controlling rotating speed 300-400r/min, after disperseing 15-20min under 600-800r/min rotating speed, rotating speed is down to 300r/min, add UV cured resin A, UV cured resin B and light trigger A, photoinitiator b, continue dispersion 5-10min, mix, namely obtain peelable blue glue.
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Application publication date: 20160413 |
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