CN102532729A - Environment-friendly closed-pore secondary foamed material combining ethylene-propylene diene monomer (EPDM) with natural rubber (NR) and preparation method thereof - Google Patents
Environment-friendly closed-pore secondary foamed material combining ethylene-propylene diene monomer (EPDM) with natural rubber (NR) and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an environment-friendly closed-pore secondary foamed material combining an ethylene-propylene diene monomer (EPDM) with natural rubber (NR). The closed-pore secondary foamed material is prepared from the following raw materials in parts by weight: 60-120 parts of EPDM, 27-36 parts of NR, 8-15 parts of carbon black, 10-15 parts of strong magnesium powder, 15-35 parts of attapulgus clay, 10-15 parts of softening oil, 2-3 parts of foaming agent, 1.5-2 parts of sulfur accelerant, 4-6 parts of zinc oxide, and 1.5-2.5 parts of stearic acid. According to the invention, the performances of the blended rubber are improved, the scorching resistance, crocking resistance, ozone resistance, weather resistance, oil resistance, aging resistance and other performances of the material are increased, and the shortcoming of high halogen content in the existing foamed material is overcome.
Description
Technical field
The present invention relates to a kind of environment-friendly type terpolymer EP rubber EPDM and tree elastomer NR also with closed pore second time of foaming material and preparation method thereof.
Background technology
Terpolymer EP rubber EPDM is ethene, propylene and the unsaturated the 3rd monomeric multipolymer; Be a kind of high saturation rubber; Have performances such as excellent heat-resisting, anti-ozone, acid and alkali-resistance, Weather-resistant, antifatigue, anti tear, can be under-60 ℃～135 ℃ conditions life-time service, be widely used in fields such as automobile industry, construction industry, electric wire and polymer modification; Its molecular chain is essentially the aliphatics saturated chain; Lack reactive group and polar substitution group, so vulcanization rate is slower, oil-proofness and binding property are relatively poor.
Tree elastomer NR has excellent mechanics and processing characteristics, but its anti-ozone and ageing-resistant performance are relatively poor.
Rubber and elastomeric material also can improve the mechanical property of rubber with modification, improve the processing characteristics and the application performance of single rubber kind, and be not only effectively simple, and economical.
The present invention selects EPDM and NR and usefulness, can improve the ozone resistance, weather, oil-proofness of NR, performance such as ageing-resistant, also can improve performances such as the anti-incipient scorch of EPDM rubber, anti-bloom.When researching and developing and making these closed cell foamed materials, make every effort to reduce the halogens content in the material simultaneously, make it to become environmentally friendly machine, also do not find the report of the secondary closed cell foamed material of relevant environment-friendly type terpolymer EP rubber and tree elastomer and usefulness at present.
Summary of the invention
The object of the present invention is to provide a kind of environment-friendly type terpolymer EP rubber and tree elastomer also with closed pore second time of foaming material and preparation method thereof; The invention solves terpolymer EP rubber and tree elastomer blended rubber performance, improved the anti-incipient scorch of material, anti-bloom, ozone resistance, weather, oil-proofness, performance such as ageing-resistant.And overcome the higher shortcoming of content of halogen in the existing foam material.
In order to achieve the above object, technical scheme of the present invention is:
A kind of environment-friendly type terpolymer EP rubber EPDM and tree elastomer NR and with closed pore second time of foaming material are formed by the preparation of raw material of following weight part: terpolymer EP rubber 60～120; Tree elastomer 27～36; 8～15 parts of carbon blacks; 10～15 parts in the strong powder of magnesium; 15～35 parts of U.S.'s carclazytes; 10～15 parts of softening oils; 2～3 parts of whipping agents; 1.5～2 parts of sulphur promotor; 4～6 parts in zinc oxide; 1.5～2.5 parts of Triple Pressed Stearic Acid.
Preferred weight part proportioning of said raw material is: terpolymer EP rubber 75; Tree elastomer 30; 12 parts of carbon blacks; 12 parts in the strong powder of magnesium; 22 parts of U.S.'s carclazytes; 12 parts of softening oils; 2.5 parts of whipping agents; 1.7 parts of sulphur promotor; 5 parts in zinc oxide; 2 parts of Triple Pressed Stearic Acid.
A kind of environment-friendly type terpolymer EP rubber EPDM and tree elastomer NR are also with closed pore second time of foaming preparation methods, and may further comprise the steps: (1) is with the banburying of above-mentioned weight part raw materials mix; (2) heat refining slice; (3) extrude filter glue; Closed pore foaming in (4) first apotypes; Closed pore foaming, steady shape in (5) second apotypes, then the second time of foaming body is cooled to room temperature and obtains finished product.
Said step is preferably following:
(1) banburying:
The strong powder of magnesium of the carbon black of A, the terpolymer EP rubber with above-mentioned weight part, tree elastomer, 1/2 proportional quantity, 1/2 proportional quantity, softening oil, U.S.'s carclazyte drop in the Banbury mixer and form epoxy glue;
B, the zinc oxide of above-mentioned weight part, Triple Pressed Stearic Acid are dropped in the Banbury mixer and epoxy glue kneading 1～2min;
The strong powder of the magnesium of C, the carbon black that will be left 1/2 proportional quantity, 1/2 proportional quantity drops into kneading 1-2min in the Banbury mixer;
D, the whipping agent of above-mentioned weight part, sulphur promotor are dropped in the Banbury mixer kneading 8～10min that pressurizes then, weight pressure 4～6Kg;
E, the banburying built-in temperature is controlled at 105～110 ℃ when mixing;
F, binder removal, cooling;
(2) heat refining, slice:
Sizing material after mixing is dropped into heat refining in 18 cun opening rubber mixing machines; And parked 12 hours with thickness 5-8mm slice cooling; And then drop in another 18 cun opening rubber mixing machines and play the triangle bag, turn refining and drop into again for two or three times in 18 cun opening rubber mixing machines with 8-15mm thickness slice, slitting;
(3) extrude filter glue:
The film that the slice slitting is good drops in the forcing machine and extrudes filter glue, is extruded into the glue embryo, and the speed of forcing machine is 550 rev/mins; The outlet of extruder temperature is controlled to be 40-60 ℃;
Closed pore foaming in (4) first apotypes:
The glue embryo extruded cut off to weigh to deliver to carry out closed pore foaming first time in first vulcanizer, 1300 tons of sulfide stresses, the sulfur foam time is 45 minutes, the sulfur foam temperature is 134 ± 5 ℃, obtains foam material cooling for the first time and carries out the processing of light face;
Closed pore foaming in (5) second apotypes, steady shape, typing:
Foam is delivered to and is carried out the foaming sulfuration typing second time in second vulcanizer for the first time; 1300 tons of sulfide stresses; Curing time 25-45 minute; 160 ± 5 ℃ of sulfide stress temperature, for the second time the foam cool to room temperature obtains halogen-free environment-friendly type terpolymer EP rubber and tree elastomer also with secondary closed cell foamed material finished product then.
The invention has the beneficial effects as follows: the invention solves terpolymer EP rubber and tree elastomer blended rubber performance, improved the anti-incipient scorch of material, anti-bloom, ozone resistance, weather, oil-proofness, performance such as ageing-resistant.And overcome the higher shortcoming of content of halogen in the existing foam material, and detect through SGS, meet the new standard REACH of European Union.
Embodiment
Specific embodiments more of the present invention below are provided, understand the present invention to help further, but protection scope of the present invention are not limited in these embodiment.
Embodiment 1
The present embodiment prescription is as shown in table 1, and EPDM is that terpolymer EP rubber, NR are tree elastomer.The preparation method of present embodiment raw material is following:
(1) banburying
A, EPDM, NR, 1/2 proportional quantity carbon black, the strong powder of 1/2 proportional quantity magnesium, softening oil KN4006, U.S.'s carclazyte dropped in the Banbury mixer by the weight part shown in the table 1 form epoxy glue.
B, zinc oxide, Triple Pressed Stearic Acid 1801 are pressed the weight part shown in the table 1 drop in the Banbury mixer and epoxy glue kneading 1-2min.
C. will be left the carbon black of 1/2 proportional quantity, the interior kneading 1-2min of the strong powder input of magnesium Banbury mixer of 1/2 proportional quantity.
D, whipping agent OBSH, sulphur promotor EG-4 are pressed the weight part shown in the table 1 drop in the Banbury mixer kneading 8-10min that pressurizes then, weight pressure 5KG.
E, the banburying built-in temperature is controlled at 105-110 ℃ when mixing.
F, binder removal cooling.
(2) heat refining, slice
Sizing material after mixing is dropped into heat refining in 18 cun opening rubber mixing machines; And parked 12 hours with thickness 5-8mm slice cooling; And then drop in another 18 cun opening rubber mixing machines and play the triangle bag, turn refining and twice or thrice drop into again in 18 cun opening rubber mixing machines with 8-15mm thickness slice, slitting.
(3) extrude filter glue
Film that the slice slitting is good drops in the model 250 model forcing machine and extrudes filter glue, is extruded into the glue embryo, the outlet of extruder temperature is controlled to be 40-60 ℃, and rotating speed is 550 rev/mins.
Closed pore foaming in (4) first apotypes
The glue embryo extruded cut off to weigh to deliver to carry out first time closed pore in the vulcanizing press (Taiwan benefit high yield) and foam; 1300 tons of sulfide stresses; The sulfur foam time is 45 minutes, and the sulfur foam temperature is 134 ± 5 ℃, obtains foam material cooling for the first time and carries out the processing of light face.
Closed pore foaming in (5) second apotypes, steady shape, typing
With the first time foam deliver to and carry out the foaming sulfuration typing second time in 1300 tons the vulcanizing press; 1300 tons of sulfide stresses; Curing time 25-45 minute; 160 ± 5 ℃ of sulfide stress temperature, the foam cool to room temperature obtains halogen-free environment-friendly type EPDM/NR also with secondary closed cell foamed material finished product for the second time then.
The halogen-free environment-friendly type terpolymer EP rubber of gained of the present invention and tree elastomer are also as shown in table 2 with secondary closed cell foamed material physicals test result.Present embodiment halogen-free environment-friendly type EPDM and NR are also as shown in table 3 with secondary closed cell foamed material SGS halogens test report.
The EPDM of present embodiment and NR rubber can obtain good anti-ozone through screening formulation and preparation technology; Ageing-resistant characteristic and the performance of good oil resistant, anti-solvent and chemical-resistant reagent is arranged; Visible by last two parts of examining reports; The halogen-free environment-friendly type EPDM/NR of manufacturing of the present invention also detects with the halogens in the secondary closed cell foamed material and does not all detect, and meets the new standard REACH of European Union.Reach the needed environmental requirement of material, and the tensile strength of this material is high, tear resistance is good.Can be widely used in using in the severe rugged environment condition.Have good social benefit and economic benefit.
Embodiment 2
The present embodiment prescription is as shown in table 4, and EPDM is that terpolymer EP rubber, NR are tree elastomer.The preparation method of present embodiment foam material is with embodiment 1.
The halogen-free environment-friendly type terpolymer EP rubber of gained of the present invention and tree elastomer are also also as shown in table 2 with secondary closed cell foamed material physicals test result.Present embodiment halogen-free environment-friendly type EPDM and NR are also also as shown in table 3 with secondary closed cell foamed material SGS halogens test report.
The EPDM of present embodiment and NR rubber can obtain good anti-ozone through screening formulation and preparation technology; Ageing-resistant characteristic and the performance of good oil resistant, anti-solvent and chemical-resistant reagent is arranged; Visible by last two parts of examining reports; The halogen-free environment-friendly type EPDM/NR of manufacturing of the present invention also detects with the halogens in the secondary closed cell foamed material and does not all detect, and meets the new standard REACH of European Union.Reach the needed environmental requirement of material, and the tensile strength of this material is high, tear resistance is good.Can be widely used in using in the severe rugged environment condition.Have good social benefit and economic benefit.
Embodiment 3
The present embodiment prescription is as shown in table 5, and EPDM is that terpolymer EP rubber, NR are tree elastomer.The preparation method of present embodiment foam material is with embodiment 1.
The halogen-free environment-friendly type terpolymer EP rubber of gained of the present invention and tree elastomer are also also as shown in table 2 with secondary closed cell foamed material physicals test result.Present embodiment halogen-free environment-friendly type EPDM and NR are also also as shown in table 3 with secondary closed cell foamed material SGS halogens test report.
The EPDM of present embodiment and NR rubber can obtain good anti-ozone through screening formulation and preparation technology; Ageing-resistant characteristic and the performance of good oil resistant, anti-solvent and chemical-resistant reagent is arranged; Visible by last two parts of examining reports; The halogen-free environment-friendly type EPDM/NR of manufacturing of the present invention also detects with the halogens in the secondary closed cell foamed material and does not all detect, and meets the new standard REACH of European Union.Reach the needed environmental requirement of material, and the tensile strength of this material is high, tear resistance is good.Can be widely used in using in the severe rugged environment condition.Have good social benefit and economic benefit.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Table 1 (annotate: each raw material by weight)
Table 2
Table 3
| Test event | Unit | Test result | MDL | Limit value |
| Cadmium (Cd) | mg/kg | N.D | 2 | 100 |
| Plumbous (Pb) | mg/kg | N.D | 2 | 1000 |
| Mercury (Hg) | mg/kg | N.D | 2 | 1000 |
| Basic soln extraction sexavalent chrome | mg/kg | N.D | 2 | 1000 |
| PBBs (PBBS) sum | mg/kg | N.D | 1000 | |
| Single bromo biphenyl | mg/kg | N.D | 5 | |
| '-dibromobiphenyl | mg/kg | N.D | 5 | |
| Three bromo biphenyls | mg/kg | N.D | 5 | |
| Tetrabromo biphenyl | mg/kg | N.D | 5 | |
| Pentabromo-biphenyl | mg/kg | N.D | 5 | |
| Hexabromobiphenyl | mg/kg | N.D | 5 | |
| Seven bromo biphenyls | mg/kg | N.D | 5 | |
| Octabromo-diphenyl | mg/kg | N.D | 5 | |
| Nine bromo biphenyls | mg/kg | N.D | 5 | |
| Decabromodiphenyl | mg/kg | N.D | 5 | |
| PBDE (PBDES) sum | mg/kg | N.D | 1000 | |
| Single dibromodiphenyl ether | mg/kg | N.D | 5 | |
| Dibromodiphenyl ether | mg/kg | N.D | 5 | |
| Three dibromodiphenyl ethers | mg/kg | N.D | 5 | |
| Tetrabromodiphenyl ether | mg/kg | N.D | 5 | |
| Pentabromodiphenyl oxide | mg/kg | N.D | 5 | |
| The hexabromo phenyl ether | mg/kg | N.D | 5 | |
| Seven dibromodiphenyl ethers | mg/kg | N.D | 5 | |
| Octabromodiphenyl ether | mg/kg | N.D | 5 | |
| Nine dibromodiphenyl ethers | mg/kg | N.D | 5 | |
| Two ethers of ten bromines | mg/kg | N.D | 5 |
(note: 1.mg/kg=PPM; 2.N.D=the end detect (＜MDL); 3.MDL=the method detectability)
Table 4 (annotate: each raw material by weight)
Table 5 (annotate: each raw material by weight)
Claims (4)
1. environment-friendly type terpolymer EP rubber EPDM and tree elastomer NR and with closed pore second time of foaming material is characterized in that being formed by the preparation of raw material of following weight part: terpolymer EP rubber 60～120; Tree elastomer 27～36; 8～15 parts of carbon blacks; 10～15 parts in the strong powder of magnesium; 15～35 parts of U.S.'s carclazytes; 10～15 parts of softening oils; 2～3 parts of whipping agents; 1.5～2 parts of sulphur promotor; 4～6 parts in zinc oxide; 1.5～2.5 parts of Triple Pressed Stearic Acid.
2. a kind of environment-friendly type terpolymer EP rubber EPDM as claimed in claim 1 and tree elastomer NR are also with closed pore second time of foaming material, and it is characterized in that: the weight part proportioning of said raw material is: terpolymer EP rubber 75; Tree elastomer 30; 12 parts of carbon blacks; 12 parts in the strong powder of magnesium; 22 parts of U.S.'s carclazytes; 12 parts of softening oils; 2.5 parts of whipping agents; 1.7 parts of sulphur promotor; 5 parts in zinc oxide; 2 parts of Triple Pressed Stearic Acid.
One kind according to claim 1 or claim 2 environment-friendly type terpolymer EP rubber EPDM and tree elastomer NR and with closed pore second time of foaming preparation methods, it is characterized in that may further comprise the steps: (1) is with the banburying of above-mentioned weight part raw materials mix; (2) heat refining slice; (3) extrude filter glue; Closed pore foaming in (4) first apotypes; Closed pore foaming, steady shape in (5) second apotypes, then the second time of foaming body is cooled to room temperature and obtains finished product.
4. a kind of environment-friendly type terpolymer EP rubber EPDM as claimed in claim 3 and tree elastomer NR is characterized in that also with closed pore second time of foaming preparation methods said step is following:
(1) banburying:
The strong powder of magnesium of the carbon black of A, the terpolymer EP rubber with above-mentioned weight part, tree elastomer, 1/2 proportional quantity, 1/2 proportional quantity, softening oil, U.S.'s carclazyte drop in the Banbury mixer and form epoxy glue;
B, the zinc oxide of above-mentioned weight part, Triple Pressed Stearic Acid are dropped in the Banbury mixer and epoxy glue kneading 1～2min;
The strong powder of the magnesium of C, the carbon black that will be left 1/2 proportional quantity, 1/2 proportional quantity drops into kneading 1-2min in the Banbury mixer;
D, with the whipping agent of above-mentioned weight part,, sulphur promotor drops in the Banbury mixer kneading 8～10min that pressurizes then, weight pressure 4～6Kg;
E, the banburying built-in temperature is controlled at 105～110 ℃ when mixing;
F, binder removal, cooling;
(2) heat refining, slice:
Sizing material after mixing is dropped into heat refining in 18 cun opening rubber mixing machines; And parked 12 hours with thickness 5-8mm slice cooling; And then drop in another 18 cun opening rubber mixing machines and play the triangle bag, turn refining and drop into again for two or three times in 18 cun opening rubber mixing machines with 8-15mm thickness slice, slitting;
(3) extrude filter glue:
The film that the slice slitting is good drops in the forcing machine and extrudes filter glue, is extruded into the glue embryo, and the speed of forcing machine is 550 rev/mins; The outlet of extruder temperature is controlled to be 40-60 ℃;
Closed pore foaming in (4) first apotypes:
The glue embryo extruded cut off to weigh to deliver to carry out closed pore foaming first time in first vulcanizer, 1300 tons of sulfide stresses, the sulfur foam time is 45 minutes, the sulfur foam temperature is 134 ± 5 ℃, obtains foam material cooling for the first time and carries out the processing of light face;
Closed pore foaming in (5) second apotypes, steady shape, typing:
Foam is delivered to and is carried out the foaming sulfuration typing second time in second vulcanizer for the first time; 1300 tons of sulfide stresses; Curing time 25-45 minute; 160 ± 5 ℃ of sulfide stress temperature, for the second time the foam cool to room temperature obtains halogen-free environment-friendly type terpolymer EP rubber and tree elastomer also with secondary closed cell foamed material finished product then.
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| CN2012100159485A CN102532729A (en) | 2012-01-17 | 2012-01-17 | Environment-friendly closed-pore secondary foamed material combining ethylene-propylene diene monomer (EPDM) with natural rubber (NR) and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103724739A (en) * | 2013-12-13 | 2014-04-16 | 芜湖金鹰机械科技开发有限公司 | Piston rod neoprene sheath material |
| CN103739893A (en) * | 2013-12-16 | 2014-04-23 | 芜湖万润机械有限责任公司 | Air spring rubber material used for automobile |
| CN103756037A (en) * | 2013-12-30 | 2014-04-30 | 宁国市正道橡塑零部件有限公司 | Machinable and ozone-resistant rubber material and preparation method thereof |
| CN104341615A (en) * | 2013-07-28 | 2015-02-11 | 安徽同丰橡塑工业有限公司 | Closed-pore foaming rubber |
| CN106832619A (en) * | 2017-03-21 | 2017-06-13 | 北京华通橡塑制品有限公司 | Resistance to heat low becomes rubber and preparation method thereof |
| CN107513226A (en) * | 2017-09-29 | 2017-12-26 | 广东石油化工学院 | A kind of heat conduction sound absorbing rubber and preparation method thereof |
| CN109762337A (en) * | 2018-12-29 | 2019-05-17 | 易宝（福建）高分子材料股份公司 | Closed pore molding high temperature second time of foaming material and preparation method thereof is blended with ethylene propylene diene rubber binary for one kind thermal contraction silicon rubber resistant to high temperatures |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260210A (en) * | 2008-04-25 | 2008-09-10 | 何玉英 | Foaming rubber vibration damping noise reduction products and producing method thereof |
| CN102206384A (en) * | 2011-05-10 | 2011-10-05 | 易宝(福建)高分子材料有限公司 | Halogen-free environment-friendly ethylene propylene diene monomer (EPDM) rubber closed hole foam material and preparation method thereof |
-
2012
- 2012-01-17 CN CN2012100159485A patent/CN102532729A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260210A (en) * | 2008-04-25 | 2008-09-10 | 何玉英 | Foaming rubber vibration damping noise reduction products and producing method thereof |
| CN102206384A (en) * | 2011-05-10 | 2011-10-05 | 易宝(福建)高分子材料有限公司 | Halogen-free environment-friendly ethylene propylene diene monomer (EPDM) rubber closed hole foam material and preparation method thereof |
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| CN104341615A (en) * | 2013-07-28 | 2015-02-11 | 安徽同丰橡塑工业有限公司 | Closed-pore foaming rubber |
| CN103724739A (en) * | 2013-12-13 | 2014-04-16 | 芜湖金鹰机械科技开发有限公司 | Piston rod neoprene sheath material |
| CN103739893A (en) * | 2013-12-16 | 2014-04-23 | 芜湖万润机械有限责任公司 | Air spring rubber material used for automobile |
| CN103756037A (en) * | 2013-12-30 | 2014-04-30 | 宁国市正道橡塑零部件有限公司 | Machinable and ozone-resistant rubber material and preparation method thereof |
| CN103756037B (en) * | 2013-12-30 | 2016-03-09 | 宁国市正道橡塑零部件有限公司 | A kind of workability, ozone proof elastomeric material and preparation method thereof |
| CN106832619A (en) * | 2017-03-21 | 2017-06-13 | 北京华通橡塑制品有限公司 | Resistance to heat low becomes rubber and preparation method thereof |
| CN106832619B (en) * | 2017-03-21 | 2019-07-23 | 北京华通橡塑制品有限公司 | Resistance to heat low becomes rubber and preparation method thereof |
| CN107513226A (en) * | 2017-09-29 | 2017-12-26 | 广东石油化工学院 | A kind of heat conduction sound absorbing rubber and preparation method thereof |
| CN109762337A (en) * | 2018-12-29 | 2019-05-17 | 易宝（福建）高分子材料股份公司 | Closed pore molding high temperature second time of foaming material and preparation method thereof is blended with ethylene propylene diene rubber binary for one kind thermal contraction silicon rubber resistant to high temperatures |
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Address after: 362200 Fujian city of Quanzhou province Jinjiang City Yongjun West Coast Industrial Park Road, No. two Applicant after: Yibao (Fujian) Polymer Material Co., Ltd. Address before: 362200 Fujian city of Quanzhou province Jinjiang City Yongjun West Coast Industrial Park Road, No. two Applicant before: Yibao (Fujian) Polymer Material Co.,Ltd. |
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Application publication date: 20120704 |