CN104844857A - Rubbers for manufacturing venting rubber hose of carbon tank and preparation method thereof - Google Patents
Rubbers for manufacturing venting rubber hose of carbon tank and preparation method thereof Download PDFInfo
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- CN104844857A CN104844857A CN201510234619.3A CN201510234619A CN104844857A CN 104844857 A CN104844857 A CN 104844857A CN 201510234619 A CN201510234619 A CN 201510234619A CN 104844857 A CN104844857 A CN 104844857A
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- rubber
- polyvinyl chloride
- paracril
- carbon black
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to rubbers for manufacturing a venting rubber hose of a carbon tank, which comprise or contain the following components in parts by weight: 100 parts of chemigum/polyvinyl chloride; 3 to 8 parts of zinc oxide; 3 to 8 parts of magnesium oxide; 0.5 to 2 parts of stearic acid; 1 to 3 parts of antiager RD; 1 to 3 parts of antiager 4010NA; 5 to 10 parts of coumarone; 1 to 3 parts of protecting wax; 20 to 50 parts of carbon black N330; 30 to 60 parts of carbon black N539; 30 to 45 parts of dioctyl phthalate; 0.2 to 2 parts of sulphur; 0.5 to 3 parts of accelerant CZ; 0.5 to 3 parts of accelerant TMTD; 0.5 to 3 parts of assistant crosslinker TAIC. Meanwhile, the antiager RD and the antiager 4010NA are matched, and the protecting wax is added, so that the excellent ozone resistance and the ageing-resistant performance of the rubbers are guaranteed, and the service life is prolonged.
Description
Technical field
The invention belongs to rubber compounding field, particularly relating to a kind of rubber for making canister vent sebific duct and preparation method.
Background technology
Canister is generally contained between pneumatic thickener and engine, there is the gac that adsorptivity is very strong its inside, fuel-steam unnecessary in fuel tank and the fresh air of coming in from canister vent pipe are in in-tank mixing and be stored in activated carbon canister, when after engine starting, the electromagnetic valve be contained between activated carbon canister and intake manifold is opened, gasoline vapor in activated carbon canister is brought in cylinder by uncontaminated air and is participated in burning under the vacuum tightness effect of inlet pipe, do not only energy-saving and cost-reducing but also environmental protection like this, meet the theory of low-carbon economy.
Canister vent pipe, as the bridge between air and canister, need possess excellent weatherability, oil-proofness, thermotolerance and preferably physical and mechanical properties.At present, canister vent tube material is generally butadiene-acrylonitrile rubber or chlorosulfonated polyethylene on the market, and butadiene-acrylonitrile rubber oil resistance is excellent, but ozone resistance and aging resistance poor, chlorosulfonated polyethylene price is higher, is not suitable for a large amount of use.
Summary of the invention
The object of the present invention is to provide a kind of canister vent rubber hose of processing characteristics excellence with low cost, be intended to solve above-mentioned technical problem.
The present invention is achieved in that a kind of rubber for making canister vent sebific duct, and this rubber includes or contains following component and weight part: paracril/polyvinyl chloride 100 parts; 3 ~ 8 parts, zinc oxide; 3 ~ 8 parts, magnesium oxide; Stearic acid 0.5 ~ 2 part; Anti-aging agent RD 1 ~ 3 part; Antioxidant 4010NA 1 ~ 3 part; Coumarone 5 ~ 10 parts; Protection wax 1 ~ 3 part; Carbon black N330 20 ~ 50 parts; Carbon black N539 30 ~ 60 parts; Dioctyl phthalate (DOP) 30 ~ 45 parts; 0.2 ~ 2 part, sulphur; Accelerant CZ 0.5 ~ 3 part; Vulcanization accelerator TMTD 0.5 ~ 3 part; Additional crosslinker TAIC 0.5 ~ 3 part.
Further technical scheme of the present invention is: this rubber includes or contains following component and weight part: paracril/polyvinyl chloride 100 parts; 5 parts, zinc oxide; 3 parts, magnesium oxide; Stearic acid 1 part; Anti-aging agent RD 1 part; Antioxidant 4010NA 2 parts; Coumarone 6 parts; Protection wax 1 part; Carbon black N330 20 parts; Carbon black N539 55 parts; Dioctyl phthalate (DOP) 35 parts; 0.5 part, sulphur; Accelerant CZ 1.8 parts; Vulcanization accelerator TMTD 1.0 parts; Additional crosslinker TAIC 3 parts.
Further technical scheme of the present invention is: in described paracril/polyvinyl chloride, the mass ratio of paracril and polyvinyl chloride is 2 ~ 5:1.
Further technical scheme of the present invention is: described accelerant CZ is N-cyclohexyl-2-[4-morpholinodithio base sulphenamide; Described additional crosslinker TAIC is iso-cyanuric acid triallyl ester; Described Vulcanization accelerator TMTD is tetramethyl-thiuram disulfide.
Further technical scheme of the present invention is: described anti-aging agent RD is 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer.
Further technical scheme of the present invention is: described antioxidant 4010NA is N-sec.-propyl-N'-diphenyl-para-phenylene diamine.
Another object of the present invention is to the preparation method providing a kind of rubber for making canister vent sebific duct, described preparation method comprises the following steps:
A, paracril/polyvinyl chloride and other Synergist S-421 95s are carried out mixing by proportioning in mill;
B, the rubber unvulcanizate mixed is parked setting-up time;
C, the rubber unvulcanizate parked is carried out sulfidization molding on vulcanizing press;
D, experimental test is carried out to shaping rubber.
Further technical scheme of the present invention is: the rubber Mooney viscosity of the rubber unvulcanizate mixed in step is (ML100 DEG C of 1+4) 30 ~ 70.
Further technical scheme of the present invention is: the cure conditions in described step C is 150 DEG C × 15min.
Further technical scheme of the present invention is: in order to adopt, electronics tensile test carries out the detection of Typical physical mechanical property to the experimental test in described step D, standard oil carries out oil resistant detection and ozone ageing case carries out resistance to ozone ageing test.
The invention has the beneficial effects as follows: one, paracril/polyvinyl chloride selected by base material of the present invention, it adds polyvinyl chloride on the basis of paracril, preferably resolve the problems such as paracril is not ageing-resistant, ozone, and oil-proofness reduces not obvious, relative inexpensiveness, therefore has wide market application foreground; Canister vent rubber hose Mooney viscosity is (ML100 DEG C of 1+4) 30 ~ 70, has the advantages such as mobility is good, processing characteristics is excellent, can reduce machine utilization, energy-conservation and enhance productivity; Select " low-sulfur height short " vulcanization system, improve rubber resistance to elevated temperatures, coordinate anti-aging agent RD, antioxidant 4010NA add protection wax simultaneously, ensure that resistance to ozone, the ageing-resistant performance of rubber excellence, extend product work-ing life.
Accompanying drawing explanation
Fig. 1 is the schema of the preparation method of the rubber for making canister vent sebific duct that the embodiment of the present invention provides.
Embodiment
Rubber for making canister vent sebific duct provided by the invention, this rubber includes or contains following component and weight part: paracril/polyvinyl chloride 100 parts; 3 ~ 8 parts, zinc oxide; 3 ~ 8 parts, magnesium oxide; Stearic acid 0.5 ~ 2 part; Anti-aging agent RD 1 ~ 3 part; Antioxidant 4010NA 1 ~ 3 part; Coumarone 5 ~ 10 parts; Protection wax 1 ~ 3 part; Carbon black N330 20 ~ 50 parts; Carbon black N539 30 ~ 60 parts; Dioctyl phthalate (DOP) 30 ~ 45 parts; 0.2 ~ 2 part, sulphur; Accelerant CZ 0.5 ~ 3 part; Vulcanization accelerator TMTD 0.5 ~ 3 part; Additional crosslinker TAIC 0.5 ~ 3 part.
In described paracril/polyvinyl chloride, the mass ratio of paracril and polyvinyl chloride is 2 ~ 5:1.
Described accelerant CZ is N-cyclohexyl-2-[4-morpholinodithio base sulphenamide; Described additional crosslinker TAIC is iso-cyanuric acid triallyl ester; Described Vulcanization accelerator TMTD is tetramethyl-thiuram disulfide.
Described anti-aging agent RD is 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer.
Described antioxidant 4010NA is N-sec.-propyl-N'-diphenyl-para-phenylene diamine.
Heat-proof aging, oil resistant and ozone resistance are as follows:
The aging 100 DEG C × 70h of hot air
Changes in hardness :+6
Tensile strength velocity of variation :-4.38%
Resistance to 3# oil 100 DEG C × 70h
Volume change-5.55%
Resistance to ozone (100pphm 40 DEG C × 70h stretches 20%) is without be full of cracks.
Rubber for making canister vent sebific duct provided by the invention, this rubber includes or contains following component and weight part: nitrile rubber/polyvinyl chloride 100 parts; 5 parts, zinc oxide; 3 parts, magnesium oxide; Stearic acid 1 part; Anti-aging agent RD 1 part; Antioxidant 4010NA 2 parts; Coumarone 6 parts; Protection wax 1 part; Carbon black N330 20 parts; Carbon black N539 55 parts; Dioctyl phthalate (DOP) 35 parts; 0.5 part, sulphur; Accelerant CZ 1.8 parts; Vulcanization accelerator TMTD 1.0 parts; Additional crosslinker TAIC 3 parts.
In described paracril/polyvinyl chloride, the mass ratio of paracril and polyvinyl chloride is 2 ~ 5:1.
Described accelerant CZ is N-cyclohexyl-2-[4-morpholinodithio base sulphenamide; Described additional crosslinker TAIC is iso-cyanuric acid triallyl ester; Described Vulcanization accelerator TMTD is tetramethyl-thiuram disulfide.
Described anti-aging agent RD is 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer.
Described antioxidant 4010NA is N-sec.-propyl-N'-diphenyl-para-phenylene diamine.
Adopt the method test result identical with embodiment one as follows:
The aging 100 DEG C × 70h of hot air
Changes in hardness :+5
Tensile strength velocity of variation :-7.52%
Resistance to 3# oil 100 DEG C × 70h
Volume change-5.55%
Resistance to ozone (100pphm 40 DEG C × 70h stretches 20%) is without be full of cracks.
Fig. 1 shows the schema of the preparation method of a kind of rubber for making canister vent sebific duct provided by the invention, and details are as follows for it:
Step S1, by paracril/polyvinyl chloride 100 parts; 3 ~ 8 parts, zinc oxide; 3 ~ 8 parts, magnesium oxide; Stearic acid 0.5 ~ 2 part; Anti-aging agent RD 1 ~ 3 part; Antioxidant 4010NA 1 ~ 3 part; Coumarone 5 ~ 10 parts; Protection wax 1 ~ 3 part; Carbon black N330 20 ~ 50 parts; Carbon black N539 30 ~ 60 parts; Dioctyl phthalate (DOP) 30 ~ 45 parts; 0.2 ~ 2 part, sulphur; Accelerant CZ 0.5 ~ 3 part; Vulcanization accelerator TMTD 0.5 ~ 3 part; Additional crosslinker TAIC 0.5 ~ 3 part or paracril/polyvinyl chloride 100 parts; 5 parts, zinc oxide; 3 parts, magnesium oxide; Stearic acid 1 part; Anti-aging agent RD 1 part; Antioxidant 4010NA 2 parts; Coumarone 6 parts; Protection wax 1 part; Carbon black N330 20 parts; Carbon black N539 55 parts; Dioctyl phthalate (DOP) 35 parts; 0.5 part, sulphur; Accelerant CZ 1.8 parts; Vulcanization accelerator TMTD 1.0 parts; Additional crosslinker TAIC 3 parts.
Comprise the following steps in this step:
A takes each raw material by weight, and paracril/polyvinyl chloride thin-pass in mill is plasticated 10 times, roll spacing≤0.5mm, and 8h is parked in clot;
B drops into broken-(down)rubber in mill, and roll spacing 3-4mm, adds magnesium oxide successively, zinc oxide, stearic acid, anti-aging agent, coumarone, protection wax, then slowly adds carbon black, be mixed into after sizing material until powder, add dioctyl phthalate (DOP), left and right cutter is smash glue dioctyl ester and is mixed into sizing material, dancer rools distance is to 0.5mm, thin-pass plays triangle bag 5 times, and bottom sheet is parked, and film stock thickness is 2.5-3.0mm.
The Mooney viscosity of rubber unvulcanizate is (ML100 DEG C of 1+4) 30 ~ 70.
Step S2, be parked in setting-up time by the rubber unvulcanizate good through mill mixing and cool, setting-up time is wherein at least 24 hours.
Step S3, carrying out sulfidization molding by cooling the rubber unvulcanizate parked, generating rubber, the cure conditions 150 DEG C × 15min in the process of sulfuration on vulcanizing press.
Step S4, carries out experimental test to shaping rubber.Carrying out mainly once testing in experimental test, adopting electronic tension tester to carry out the detection of Typical physical mechanical property, adopting touchstone oil to carry out oil resistant detection, adopting ozone ageing case to carry out resistance to ozone ageing test.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. for making a rubber for canister vent sebific duct, it is characterized in that, this rubber includes or contains following component and weight part: paracril/polyvinyl chloride 100 parts; 3 ~ 8 parts, zinc oxide; 3 ~ 8 parts, magnesium oxide; Stearic acid 0.5 ~ 2 part; Anti-aging agent RD 1 ~ 3 part; Antioxidant 4010NA 1 ~ 3 part; Coumarone 5 ~ 10 parts; Protection wax 1 ~ 3 part; Carbon black N330 20 ~ 50 parts; Carbon black N539 30 ~ 60 parts; Dioctyl phthalate (DOP) 30 ~ 45 parts; 0.2 ~ 2 part, sulphur; Accelerant CZ 0.5 ~ 3 part; Vulcanization accelerator TMTD 0.5 ~ 3 part; Additional crosslinker TAIC 0.5 ~ 3 part.
2. rubber according to claim 1, is characterized in that, this rubber includes or contains following component and weight part: paracril/polyvinyl chloride 100 parts; 5 parts, zinc oxide; 3 parts, magnesium oxide; Stearic acid 1 part; Anti-aging agent RD 1 part; Antioxidant 4010NA 2 parts; Coumarone 6 parts; Protection wax 1 part; Carbon black N330 20 parts; Carbon black N539 55 parts; Dioctyl phthalate (DOP) 35 parts; 0.5 part, sulphur; Accelerant CZ 1.8 parts; Vulcanization accelerator TMTD 1.0 parts; Additional crosslinker TAIC 3 parts.
3. rubber according to claim 1 and 2, is characterized in that, in described paracril/polyvinyl chloride, the mass ratio of paracril and polyvinyl chloride is 2 ~ 5:1.
4. rubber according to claim 1 and 2, is characterized in that, described accelerant CZ is N-cyclohexyl-2-[4-morpholinodithio base sulphenamide; Described additional crosslinker TAIC is iso-cyanuric acid triallyl ester; Described Vulcanization accelerator TMTD is tetramethyl-thiuram disulfide.
5. rubber according to claim 1 and 2, is characterized in that, described anti-aging agent RD is 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer.
6. rubber according to claim 1 and 2, is characterized in that, described antioxidant 4010NA is N-sec.-propyl-N'-diphenyl-para-phenylene diamine.
7. a preparation method for the rubber according to any one of claim 1-6, is characterized in that, described preparation method comprises the following steps:
A, paracril/polyvinyl chloride and other Synergist S-421 95s are carried out mixing by proportioning in mill;
B, the rubber unvulcanizate mixed is parked setting-up time;
C, the rubber unvulcanizate parked is carried out sulfidization molding on vulcanizing press;
D, experimental test is carried out to shaping rubber.
8. method for preparing rubber according to claim 7, is characterized in that, the rubber Mooney viscosity of the rubber unvulcanizate mixed in step is (ML100 DEG C of 1+4) 30 ~ 70.
9. the method for preparing rubber according to claim 7 or 8, is characterized in that, the cure conditions in described step C is 150 DEG C × 15min.
10. method for preparing rubber according to claim 9, it is characterized in that, in order to adopt, electronics tensile test carries out the detection of Typical physical mechanical property to the experimental test in described step D, standard oil carries out oil resistant detection and ozone ageing case carries out resistance to ozone ageing test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234619.3A CN104844857A (en) | 2015-05-08 | 2015-05-08 | Rubbers for manufacturing venting rubber hose of carbon tank and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510234619.3A CN104844857A (en) | 2015-05-08 | 2015-05-08 | Rubbers for manufacturing venting rubber hose of carbon tank and preparation method thereof |
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| CN104844857A true CN104844857A (en) | 2015-08-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106867056A (en) * | 2017-03-21 | 2017-06-20 | 柳州日高汽车减振技术有限责任公司 | A kind of nitrile rubber for making oil-resisting and heat-resisting corrugated hose |
| CN110551332A (en) * | 2019-10-08 | 2019-12-10 | 芜湖集拓橡胶技术有限公司 | High-concentration ozone-resistant butyronitrile rubber |
| CN113136059A (en) * | 2021-03-12 | 2021-07-20 | 青岛橡六胶管有限公司 | Pure water resistant hydraulic support rubber tube and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555327A (en) * | 2009-05-19 | 2009-10-14 | 天津鹏翎胶管股份有限公司 | Formulation of high-concentration ozone resistant rubber tube |
| CN101805467A (en) * | 2009-12-08 | 2010-08-18 | 天津鹏翎胶管股份有限公司 | Formula of butyronitrile rubber/polyvinyl chloride co-mixed rubber ethanol resistance gasoline rubber pipe |
| CN103554579A (en) * | 2013-11-05 | 2014-02-05 | 天津鹏翎胶管股份有限公司 | Low-permeability refueling hose composition and preparation method thereof |
| CN104558717A (en) * | 2015-01-21 | 2015-04-29 | 山东美晨科技股份有限公司 | Nitrile rubber formula for manufacturing air outlet hose of air filter |
-
2015
- 2015-05-08 CN CN201510234619.3A patent/CN104844857A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555327A (en) * | 2009-05-19 | 2009-10-14 | 天津鹏翎胶管股份有限公司 | Formulation of high-concentration ozone resistant rubber tube |
| CN101805467A (en) * | 2009-12-08 | 2010-08-18 | 天津鹏翎胶管股份有限公司 | Formula of butyronitrile rubber/polyvinyl chloride co-mixed rubber ethanol resistance gasoline rubber pipe |
| CN103554579A (en) * | 2013-11-05 | 2014-02-05 | 天津鹏翎胶管股份有限公司 | Low-permeability refueling hose composition and preparation method thereof |
| CN104558717A (en) * | 2015-01-21 | 2015-04-29 | 山东美晨科技股份有限公司 | Nitrile rubber formula for manufacturing air outlet hose of air filter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106867056A (en) * | 2017-03-21 | 2017-06-20 | 柳州日高汽车减振技术有限责任公司 | A kind of nitrile rubber for making oil-resisting and heat-resisting corrugated hose |
| CN110551332A (en) * | 2019-10-08 | 2019-12-10 | 芜湖集拓橡胶技术有限公司 | High-concentration ozone-resistant butyronitrile rubber |
| CN113136059A (en) * | 2021-03-12 | 2021-07-20 | 青岛橡六胶管有限公司 | Pure water resistant hydraulic support rubber tube and preparation method thereof |
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Address after: 545199 No. 70 West Yongxing Road, third industrial zone, the Liujiang River County, the Guangxi Zhuang Autonomous Region, Liuzhou Applicant after: LIUZHOU RIGAO AUTOMOBILE VIBRATION TECHNOLOGY CO., LTD. Address before: 545199 No. 70 West Yongxing Road, third industrial zone, the Liujiang River County, the Guangxi Zhuang Autonomous Region, Liuzhou Applicant before: Liuzhou Gao rubber Co., Ltd |
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Application publication date: 20150819 |