CN102220070A - Ultraviolet solidified yellowing resistant and glossy woodenware paint and application technology thereof - Google Patents
Ultraviolet solidified yellowing resistant and glossy woodenware paint and application technology thereof Download PDFInfo
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- CN102220070A CN102220070A CN2011101195056A CN201110119505A CN102220070A CN 102220070 A CN102220070 A CN 102220070A CN 2011101195056 A CN2011101195056 A CN 2011101195056A CN 201110119505 A CN201110119505 A CN 201110119505A CN 102220070 A CN102220070 A CN 102220070A
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Abstract
The invention relates to an ultraviolet solidified yellowing resistant and glossy woodenware paint, which comprises components of A and B. Wherein, component A is composed of epoxy acrylate (EA), polyurethane acrylate (PUA), polyester acrylate (PEA), an active diluent, an antifoaming agent, a levelling agent, a dispersant and a photoinitiator, while component B is composed of butyl acetate, B fat and xylene. According to the application technology, component A and component B are mixed at a proportion of 100:20-50 and then used for application. The paint of the invention has the advantages of strong glossiness, high hardness, scratch resistance, yellowing resistance, good fullness of color, fast drying speed and simple application.
Description
Technical field
The invention belongs to the technical field of coating, specifically, is that a kind of (UV) ultraviolet cured woodware sprays the light of anti-xanthochromia woodwork coating and construction technology, and refering in particular to is the form of using spraying, comes the solidified light of anti-xanthochromia woodwork coating with (UV) UV-light.
Background technology
Office furniture light coating process is main with polyurethane(s) (Polyurethane, abbreviation PU is called for short urethane) or unsaturated polyester varnish (PE) finish paint mainly at present, the levelling property excellence of this two classes lacquer, and feel is smooth especially, and the scratch resistance performance is good.
The PU lacquer is the general designation of all polyester coatings, and its thin film-forming method is the nature film forming, need not special process.Form: host+solidifying agent+thinner.
The characteristics of PU lacquer:
1, chemical drying is by the proportioning operation
2, good combination property; Hardness is good, fullness ratio is good, sticking power is good, good endurance, good hand touch.Paint film is thin not to be very hard; But its sticking power is good especially; Its gloss all claims, looks not to be very bright, can well spinning of display floor manage and color and luster.
3, certain time limit of service is arranged after preparing.
It is harmful when 4, free toluene diisocyanate (TDI) is high.
The shortcoming of PU lacquer:
(1) not too environmental protection accounts for solvent over half in the PU lacquer and vapors away when solidifying, and this has caused bigger pollution to environment.Europe developed country substantially eliminates.Use the products export of the production of PU lacquer that restriction has just been arranged.
(2) solidifying agent: very high reactivity, to water sensitive.Can not be moisture in the paint, can not use alcoholic solvent.Water ratio can not be too high on the ground.Should leave standstill 15-20min after the modulation.Solidifying agent can cause performance change very big with mistake or consumption mistake.Disposable can not the preparation too much put gel of a specified duration.Quality guaranteed period is short, and Kaifeng after fixing agent is wanted airtight and well also used up as early as possible.The paint of completely solidified adheres to can be bad, needs conscientiously polishing.Unavailable physics boiled oil paint is done the end, thickly is coated with easy foaming.The easy xanthochromia of coventional type, not xanthochromia type valency height.
(3) the rate of drying temperature influence is very big.Thoroughly parch under 25 ℃ and need three time-of-weeks approximately.Surface drying and set time are longer, influence production efficiency.
PE lacquer, i.e. unsaturated polyester varnish is concocted mutually by host, promotor, initiator three and to be carried out build bridge reaction and solidifying of polymerization, and its solvent is a vinylbenzene, participates in reaction during film forming.Compare with the solvent-borne type wood lacquer, the advantage of PE lacquer is to have " 100% response capacity ".The PE lacquer starts from the sixties in 20th century in China as coatings for furniture, and covering with paint technology at that time is brushing, spraying, casting etc.To the end of the eighties, along with the raising of China's economic level, family and office furniture demand are increased, high light sectional furniture has obtained develop rapidly.
The advantage of PE lacquer:
(1) the PE lacquer is free radical polymerization, its solvent is a vinylbenzene, participate in reaction during film forming, its solid content can be by nearly 100%, and this is the not available characteristics of other coating, but once shaped is than the paste paint film, bridging is good, the fullness ratio height. and at present domestic best PU lacquer solids content has only about 50%, that is to say that accounting for solvent over half in the PU lacquer vapors away when solidifying, this has caused bigger pollution to environment.
Aspects such as (2) the over-all properties height of PE lacquer is heat-resisting wear-resisting, corrosion-resistant, high gloss are suitable with the PU lacquer, in hardness, and fullness ratio, degree of chewing thoroughly, aspects such as fillibility are better than other coating.
The shortcoming of PE lacquer:
(1) PE lacquer is anaerobic type coating, and when ingress of air, the surface can not completely solidified and be clamminess.Traditional terms of settlement is to add paraffin, as encapsulant with starvation.Paraffin is alkanes, and the paraffin of fusing point about 54 has comparatively suitable solubleness in resin.Solubleness is low, then has wax precipitation in the resin; The solubleness height, wax is difficult for emersion when then solidifying.One of PE lacquer shortcoming of the content of wax is that the surface of goods has the wax line, obtain the surface of high gloss, must polish after the curing, and polishing, waste great amount of manpower and material resources, also inconvenience is used for complex model furniture; Another shortcoming is when wax liquid is diffused into coatingsurface when resin solidification, also can be diffused into substrate surface, influences paint film adhesion.Paraffin also has requirement to resin-coated construction, and coating can not be too thin, otherwise wax liquid is difficult for emersion.And the homogeneity of wax liquid emersion is difficult to control.
(2) PE lacquer is multi-component coating, generally comprises 3 kinds of resins, promotor, solidifying agent, and what have also need add wax liquid, defoamer, mill base etc. in addition.Its curing is subjected to envrionment temperature, humidity, and the influence of sheet material is very big, adds a batch same difference, brings a lot of difficulties for the allotment of coating, promotor, the consumption grasp of solidifying chaste tree is bad, will directly influence the performance of coating.
(3) membrane formation mechanism of PE lacquer is free radical polymerization, in case after its component is mixed, promptly begin to produce free radical and I sends out polymerization, the usage period generally within 20min, brings a lot of inconvenience to construction.For same covering with paint technology (as spraying, showering), the equipment of use PE lacquer or operation are far beyond the complexity of using coating such as PU lacquer, equipment cost height.
(4) its defective is that surface drying and set time are longer, influences production efficiency.
Summary of the invention
The objective of the invention is to, provide a kind of (UV) ultraviolet cured woodware to spray the light of anti-xanthochromia woodwork coating and construction technology, produce existing above-mentioned shortcoming and defect to overcome existing woodwork coating.The present invention is applicable to the application and the decoration design for residence of woodworks such as wooden furniture, timber floor.
The technical problem that will solve required for the present invention can be achieved through the following technical solutions:
A kind of ultraviolet light polymerization sprays the light of anti-xanthochromia woodwork coating, it is characterized in that, is made up of AB two components, and the ratio of weight and number of A component and B component is 100: 20-50;
The A component comprises following components in weight percentage:
Epoxy acrylate (EA) 30%～48%,
Urethane acrylate (PUA) 2%～15%,
Polyester acrylate (PEA) 10%～28%,
Reactive thinner 35.8%～44.3%,
Defoamer 0.1%～0.5%,
Flow agent 0.1%～0.8%,
Dispersion agent 0.1%～0.5%,
Light trigger 3%～8%;
The B component comprises following components in weight percentage:
N-BUTYL ACETATE 27%～30.%,
Second fat 15%～20.%,
Dimethylbenzene 50%～55.%.
Described epoxy acrylate (EA) is the binding substances of reactive thinner, bisphenol A-type EA and auxiliary agent, and its ratio is: 50: 48: 2, and as the rich minister chemical industry in Shanghai company limited model 6080 products.
Described urethane acrylate (PUA) is that polyvalent alcohol, Propylene glycol monoacrylate class and its ratio of polyisocyanates are: 30: 55: 15, and as the rich minister chemical industry in Shanghai company limited 6090 products.
Described polyester acrylate (PEA) is Jiangmen section field chemical industry 2202.
Described reactive thinner is any one and an arbitrary combination thereof of hydroxyethyl methylacrylate (HEMA), tripropylene glycol diester acrylate (TPGDA), 1,6 hexylene glycol diester acrylate (HDDA), Viscoat 295 (TMPTA).
Described defoamer is any one and the arbitrary combination thereof of BYK088, BYK 055, TEGO920.
Described flow agent is any one and the arbitrary combination thereof of S-325, BYK 310, BYK371, BYK373, BYK358.
Described dispersion agent is any one and the arbitrary combination thereof of G-700, BYK-103, EFKA4010.
Described light trigger is any one and an arbitrary combination thereof of Runtecure1020, Runtecure1103, Runtecure1104, Changxing company 641, Changxing company 6420.
A kind of ultraviolet cured woodware sprays the construction technology of the light of anti-xanthochromia woodwork coating, may further comprise the steps:
(1) with A component and B component mixed with ratio of weight and number 100: 20-50;
(2) with the method for spraying woodwork is carried out application;
(3) infrared then low-temperature bake carries out UV-light UV curing and can obtain finished product.
In the step (3), storing temperature is 25 ℃, and storing time is 3-5 minute.
In the step (3), the wavelength region of UV-light is 315-400nm.
Beneficial effect of the present invention:
Advantage of the present invention be have that glossiness is strong, hardness is high, scratch resistance, anti-xanthochromia is good, fullness ratio good, rate of drying is fast, construction is simple.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.Should be understood that following examples only are used to the present invention is described but not are used to limit scope of the present invention.
The experimental technique of unreceipted actual conditions in the following example, usually according to normal condition, or the condition that manufacturer provides is carried out.
Embodiment 1
A kind of ultraviolet light polymerization sprays the light of anti-xanthochromia woodwork coating, is made up of AB two components.
(1) preparation A component, the A component comprises following components in weight percentage:
30 kilograms of epoxy acrylate EA (Shanghai Fuchen Chemical Co.,Ltd 6080), 10 kilograms of urethane acrylate PUA (Shanghai Fuchen Chemical Co.,Ltd 6090), 10 kilograms of polyester acrylate PEA (section field 2202), reactive thinner (tripropylene glycol diester acrylate TPGDA27 kilogram, 1,10.7 kilograms of 6 hexylene glycol diester acrylate HDDA), 0.30 kilogram of defoamer (TEGO920), 0.50 kilogram of flow agent (BYK371), 0.5 kilogram of dispersion agent (EFKA4010), light trigger (2 kilograms of Runtecure1020,3.5 kilograms of Runtecure1103,2.5 kilogram Changxing company 6420), fully disperse.
(2) preparation B component, the B component comprises following components in weight percentage:
13.5 kilograms of N-BUTYL ACETATEs, 7.5 kilograms in second fat, 27.5 kilograms of dimethylbenzene.
(3) mixing, is 100: 50 mixed with the ratio of weight and number of A component and B component.
Embodiment 2
A kind of ultraviolet light polymerization sprays the light of anti-xanthochromia woodwork coating, is made up of AB two components.
(1) preparation A component, the A component comprises following components in weight percentage:
48 kilograms of epoxy acrylate EA (Shanghai Fuchen Chemical Co.,Ltd 6080), 15 kilograms of urethane acrylate PUA (Shanghai Fuchen Chemical Co.,Ltd 6090), 28 kilograms of polyester acrylate PEA (section field 2202), reactive thinner (25.7 kilograms of tripropylene glycol diester acrylate TPGDA, 12 kilograms of Viscoat 295 TMPTA) 37.7 kilograms, 0.10 kilogram of defoamer (BYK088), 0.30 kilogram of flow agent (BYK 310), 0.1 kilogram of dispersion agent (G-700), light trigger (2 kilograms of Runtecure1020,3.0 kilograms of Runtecure1103,3.0 kilograms, Changxing company 6420) 8 kilograms, fully disperses.
(2) preparation B component, the B component comprises following components in weight percentage:
7.5 kilograms of N-BUTYL ACETATEs, 4 kilograms in second fat, 12.5 kilograms of dimethylbenzene.
(3) mixing, is 100: 20 mixed with the ratio of weight and number of A component and B component.
Embodiment 3
A kind of ultraviolet light polymerization sprays the light of anti-xanthochromia woodwork coating, is made up of AB two components.
(1) preparation A component, the A component comprises following components in weight percentage:
35 kilograms of epoxy acrylate EA (Shanghai Fuchen Chemical Co.,Ltd 6080), 8 kilograms of urethane acrylate PUA (Shanghai Fuchen Chemical Co.,Ltd 6090), 20 kilograms of polyester acrylate PEA (section field 2202), reactive thinner (hydroxyethyl methylacrylate HEMA10 kilogram, tripropylene glycol diester acrylate TPGDA10 kilogram, 1,6 hexylene glycol diester acrylate HDDA10 kilograms, Viscoat 295 TMPTA14 kilogram), 0.50 kilogram of defoamer (TEGO920), 0.80 kilogram of flow agent (BYK371), 0.5 kilogram of dispersion agent (EFKA4010), light trigger (1 kilogram of Runtecure1020,1 kilogram of Runtecure1103, Changxing company 6420) 3 kilograms, fully disperses.
(2) preparation B component, the B component comprises following components in weight percentage:
9.3 kilograms of N-BUTYL ACETATEs, 6 kilograms in second fat, 17 kilograms of dimethylbenzene.
(3) mixing, is 100: 30 mixed with the ratio of weight and number of A component and B component.
The prescription of concrete each embodiment is as shown in table 1.
The prescription Kg of each embodiment of table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Epoxy acrylate EA | 30 | 48 | 35 |
| Urethane acrylate PUA | 10 | 15 | 8 |
| Polyester acrylate PEA | 10 | 28 | 20 |
| Reactive thinner | 37.7 | 37.7 | 44 |
| Defoamer | 0.3 | 0.1 | 0.5. |
| Flow agent | 0.5 | 0.3 | 0.8 |
| Dispersion agent | 0.5 | 0.1 | 0.5 |
| Light trigger | 8 | 8 | 3 |
| N-BUTYL ACETATE | 13.5 | 7.5 | 9.3 |
| Second fat | 7.5 | 4 | 6 |
| Dimethylbenzene | 27.5 | 12.5 | 17 |
A kind of ultraviolet cured woodware sprays the construction technology of the light of anti-xanthochromia woodwork coating, may further comprise the steps:
(1) A component that embodiment 1-3 is prepared and B component are with the mixed of ratio of weight and number 100: 20-50;
(2) with the method for spraying woodwork is carried out application; Adopt the spraying application mode during construction, can regulate dope viscosity with thinner according to room temperature height situation.
(3) infrared then low-temperature bake carries out UV-light UV curing and can obtain finished product.General openly temperature is 24-35 ℃, and preferred storing temperature is 25 ℃, and storing time is 3-5 minute.
Usually adopting the wavelength region of UV-light is 315-400nm (UVA).
Embodiment 4 detects
After testing, harmful substance contents is as follows:
Burst size of methanal≤0.1mg/L
After testing, main quality and technical index is as shown in table 2:
Table 2 main quality and technical index of the present invention and harmful substance contents
By the result of table 2 as seen, coating process of the present invention require be, mix up this product, with the method for spraying woodworks such as wooden furniture, timber floor are carried out application, infrared then 25 ℃ of bakings about 3-5 minute are carried out UV-light UV curing and can be obtained finished product.
The present invention is pulverous innoxious coating, after the UV curing technology combines, has avoided long shortcoming of solidification value height (200 ℃), set time, can be used in this class of timber and plastics not on the base material of heatproof.
The present invention has also overcome the detrimentally affect of hot setting to coating performance, the solidification process of film has been controlled in fusion and photocuring two steps operation more accurately, reach ideal paint film planeness, especially the potential using value that this technology may be aspect applications such as mahogany furniture and wooden artwork.
Advantage of the present invention is: the luminance brightness height, wear-resisting, processing temperature is low, volatile matter is few etc.More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (11)
1. a ultraviolet light polymerization sprays the light of anti-xanthochromia woodwork coating, it is characterized in that, is made up of AB two components, and the ratio of weight and number of A component and B component is 100: 20-50;
The A component comprises following components in weight percentage:
Epoxy acrylate (EA) 30%～48%,
Urethane acrylate (PUA) 2%～15%,
Polyester acrylate (PEA) 10%～28%,
Reactive thinner 35.8%～44.3%,
Defoamer 0.1%～0.5%,
Flow agent 0.1%～0.8%,
Dispersion agent 0.1%～0.5%,
Light trigger 3%～8%;
The B component comprises following components in weight percentage:
N-BUTYL ACETATE 27%～30.%,
Second fat 15%～20.%,
Dimethylbenzene 50%～55.%.
2. coating according to claim 1 is characterized in that, described epoxy acrylate (EA) is the binding substances of reactive thinner, bisphenol A-type EA and auxiliary agent, and its ratio is: 50: 48: 2.
3. coating according to claim 1 is characterized in that, described urethane acrylate (PUA) is that polyvalent alcohol, Propylene glycol monoacrylate class and its ratio of polyisocyanates are: 30: 55: 15.
4. coating according to claim 1, it is characterized in that, described reactive thinner is any one and an arbitrary combination thereof of hydroxyethyl methylacrylate (HEMA), tripropylene glycol diester acrylate (TPGDA), 1,6 hexylene glycol diester acrylate (HDDA), Viscoat 295 (TMPTA).
5. coating according to claim 1 is characterized in that, described defoamer is any one and the arbitrary combination thereof of BYK088, BYK 055, TEGO920.
6. coating according to claim 1 is characterized in that, described flow agent is any one and the arbitrary combination thereof of S-325, BYK310, BYK371, BYK373, BYK358.
7. coating according to claim 1 is characterized in that, described dispersion agent is any one and the arbitrary combination thereof of G-700, BYK-103, EFKA4010.
8. coating according to claim 1 is characterized in that, described light trigger is any one and an arbitrary combination thereof of Runtecure1020, Runtecure1103, Runtecure1104, Changxing company 641, Changxing company 6420.
9. a ultraviolet cured woodware as claimed in claim 1 sprays the construction technology of the light of anti-xanthochromia woodwork coating, may further comprise the steps:
(1) with A component and B component mixed with ratio of weight and number 100: 20-50;
(2) with the method for spraying woodwork is carried out application;
(3) infrared then low-temperature bake carries out UV-light UV curing and can obtain finished product.
10. construction technology according to claim 9 is characterized in that, in the step (3), storing temperature is 25 ℃, and storing time is 3-5 minute.
11. construction technology according to claim 9 is characterized in that, in the step (3), the wavelength region of UV-light is 315-400nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101195056A CN102220070A (en) | 2011-05-10 | 2011-05-10 | Ultraviolet solidified yellowing resistant and glossy woodenware paint and application technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101195056A CN102220070A (en) | 2011-05-10 | 2011-05-10 | Ultraviolet solidified yellowing resistant and glossy woodenware paint and application technology thereof |
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| CN102220070A true CN102220070A (en) | 2011-10-19 |
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| CN2011101195056A Pending CN102220070A (en) | 2011-05-10 | 2011-05-10 | Ultraviolet solidified yellowing resistant and glossy woodenware paint and application technology thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103834278A (en) * | 2014-03-04 | 2014-06-04 | 芜湖市艾德森自动化设备有限公司 | Safety environment-friendly wear-resistant ultraviolet curing coating and preparation method thereof |
| CN104341979A (en) * | 2014-10-28 | 2015-02-11 | 嘉宝莉化工集团股份有限公司 | Odor-free yellowing-resistant UV (ultraviolet) curing coating and preparation method thereof |
| CN104387947A (en) * | 2014-11-27 | 2015-03-04 | 上海协承昌化工有限公司 | UV coating with mirror surface effect |
| CN106700854A (en) * | 2015-11-15 | 2017-05-24 | 惠州市长润发涂料有限公司 | Ultraviolet light curing anti-yellowing spray bright top-coat paint |
| CN108047784A (en) * | 2017-12-25 | 2018-05-18 | 中山市得高行知识产权中心（有限合伙） | A kind of UV showerings flexibility light top coat top coat coating |
| CN109929404A (en) * | 2019-03-06 | 2019-06-25 | 上海君子兰新材料股份有限公司 | A kind of high durable UV photocuring dyeing wood skin coating |
| CN110549437A (en) * | 2019-10-09 | 2019-12-10 | 上海如晶新材料科技有限公司 | production process of yellowing-resistant wood veneer |
| CN111253853A (en) * | 2020-03-27 | 2020-06-09 | 吴月成 | Environment-friendly energy-saving oil-water universal LED photocuring woodware spraying transparent gloss finish |
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| CN102002315A (en) * | 2009-09-03 | 2011-04-06 | 澳达树熊涂料(惠州)有限公司 | Oily UV white light surface wood lacquer |
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| US5236968A (en) * | 1990-08-16 | 1993-08-17 | Uvex Winter Optik Gmbh | Lacquer hardenable by UV radiation |
| CN1415679A (en) * | 2001-11-02 | 2003-05-07 | 北京英力科技发展有限公司 | Visible light solidified compsn. |
| CN102002315A (en) * | 2009-09-03 | 2011-04-06 | 澳达树熊涂料(惠州)有限公司 | Oily UV white light surface wood lacquer |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103834278A (en) * | 2014-03-04 | 2014-06-04 | 芜湖市艾德森自动化设备有限公司 | Safety environment-friendly wear-resistant ultraviolet curing coating and preparation method thereof |
| CN104341979A (en) * | 2014-10-28 | 2015-02-11 | 嘉宝莉化工集团股份有限公司 | Odor-free yellowing-resistant UV (ultraviolet) curing coating and preparation method thereof |
| CN104341979B (en) * | 2014-10-28 | 2016-08-17 | 嘉宝莉化工集团股份有限公司 | Clean taste color inhibition type ultraviolet-curing paint and preparation method thereof |
| CN104387947A (en) * | 2014-11-27 | 2015-03-04 | 上海协承昌化工有限公司 | UV coating with mirror surface effect |
| CN106700854A (en) * | 2015-11-15 | 2017-05-24 | 惠州市长润发涂料有限公司 | Ultraviolet light curing anti-yellowing spray bright top-coat paint |
| CN108047784A (en) * | 2017-12-25 | 2018-05-18 | 中山市得高行知识产权中心（有限合伙） | A kind of UV showerings flexibility light top coat top coat coating |
| CN109929404A (en) * | 2019-03-06 | 2019-06-25 | 上海君子兰新材料股份有限公司 | A kind of high durable UV photocuring dyeing wood skin coating |
| CN110549437A (en) * | 2019-10-09 | 2019-12-10 | 上海如晶新材料科技有限公司 | production process of yellowing-resistant wood veneer |
| CN111253853A (en) * | 2020-03-27 | 2020-06-09 | 吴月成 | Environment-friendly energy-saving oil-water universal LED photocuring woodware spraying transparent gloss finish |
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Application publication date: 20111019 |