WO2006064638A1 - カチオン重合性活性エネルギー線硬化型組成物および該組成物を用いた画像形成方法 - Google Patents
カチオン重合性活性エネルギー線硬化型組成物および該組成物を用いた画像形成方法 Download PDFInfo
- Publication number
- WO2006064638A1 WO2006064638A1 PCT/JP2005/021440 JP2005021440W WO2006064638A1 WO 2006064638 A1 WO2006064638 A1 WO 2006064638A1 JP 2005021440 W JP2005021440 W JP 2005021440W WO 2006064638 A1 WO2006064638 A1 WO 2006064638A1
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- WIPO (PCT)
- Prior art keywords
- compound
- energy ray
- active energy
- ink
- cationically polymerizable
- Prior art date
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Classifications
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
- C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
- C08G65/16—Cyclic ethers having four or more ring atoms
- C08G65/18—Oxetanes
-
- 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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/22—Di-epoxy compounds
- C08G59/24—Di-epoxy compounds carbocyclic
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
Definitions
- the present invention relates to a cationically polymerizable active energy one-line curable composition that is not affected by environmental humidity and has excellent curability, and to a recording material using the composition as an inkjet ink.
- the present invention relates to an image forming method capable of obtaining a high-quality image having excellent adhesion and no bleeding.
- ink compositions that are cured by radical polymerization by irradiation with active energy rays such as ultraviolet rays are known as quick-drying printing inks.
- Powerful ink compositions are known in the presence of oxygen. There was a problem of being inhibited from curing.
- ink compositions that are cured by cationic polymerization by irradiation with active energy rays have been proposed. That is, as an ink composition, a composition comprising an oxetane compound, a light power polymerization initiator, and a pigment, to which an epoxy compound is added as required (JP-A-8-143806, JP 2003-252979).
- Cationic polymerization is initiated by the presence of a cation generated from a cationic polymerization initiator by irradiation with ultraviolet rays or the like, and therefore must be carried out particularly in an inert atmosphere in which polymerization is not inhibited by oxygen.
- This limitation has the advantage that rapid and complete polymerization can be performed in the air.
- problems include a property that the curing rate is remarkably lowered under high humidity and a property that the curing rate depends on temperature.
- the ink jet ink composition having such an environment dependency is used as the ink, there is a problem that the image quality depends on the environment.
- a cationic polymerization compound such as an oxetane compound or an epoxy compound
- the cation will be spontaneously generated from the cationic polymerization initiator even when the ultraviolet ray is blocked.
- gelation occurs when the cation causes polymerization of the polymerizable compound to increase the viscosity.
- a composition containing a cationic polymerization catalyst and a cationically polymerizable organic material as essential components is added to a basic compound such as an alkali metal or alkaline earth metal hydroxide, carbonic acid.
- Patent Document 1 Japanese Patent Laid-Open No. 2000-186079
- Patent Document 2 Japanese Patent Publication No. 2000-327672
- the present situation is that a cationically polymerizable compound capable of achieving both sensitivity and storage stability has not yet been obtained.
- the present invention has been made in view of the above circumstances, and has an object of being excellent in curability and adhesion to a recording material without being affected by environmental humidity, and being long without impairing curability. It is an object of the present invention to provide a cationically polymerizable active energy ray-curable composition that can ensure storage stability during a period. Another object of the present invention is to provide an image forming method using the composition, which can obtain a high-quality image without bleeding.
- the cationically polymerizable active energy ray-curable composition comprises a cationically polymerizable active energy ray-curable composition comprising at least a cationically polymerizable compound containing a cationic polymerization initiator.
- the composition is characterized in that the moisture content by Karl Fischer method is 2.5% by mass or less.
- the cationically polymerizable compound comprises an oxetane compound and an alicyclic epoxy compound.
- the oxetane compound is a compound represented by the following general formula (1). [Chemical 1]
- R is a hydrogen atom, an alkyl group having 6 to 6 carbon atoms, a fluoroalkyl group having 6 to 6 carbon atoms, an aryl group, an aryl group, a furyl group, or a chenyl group.
- an image forming method uses a cation polymerizable active energy one-line curable composition as a composition for inkjet ink, and a nozzle capable of controlling the ejection of ink droplets.
- Ink droplets are ejected by a recording head having the recording head and ejected onto the surface of the recording material. After the ink is landed on the recording material, the ink is cured by irradiation with active energy rays.
- the first aspect of the present invention it is excellent in curability and adhesion to a recording material without being affected by environmental humidity, and long-term storage stability can be ensured without impairing curability.
- a cation-polymerizable active energy ray-curable composition can be provided.
- cation polymerizable active energy ray-curable composition and image forming method used in the present invention will be described below.
- Examples of the cationically polymerizable compound generally include a cationically polymerizable vinyl compound, ratatones, and cyclic ethers.
- examples of the cationically polymerizable bur compound include styrene and vinyl ether.
- examples of the cyclic ether include oxetane compounds and epoxy compounds, as well as spiro orthoesters, bicycloorthoesters, and cyclic carbonates. And so on.
- the oxetane compound means a compound having an oxetane ring which is a four-membered ether represented by the following general formula (2).
- the epoxy compound means a compound having an oxysilane group which is a three-membered ring represented by the following general formula (3), and includes an aromatic epoxy compound and an alicyclic epoxy compound.
- preferred cationically polymerizable compounds are cyclic ethers that undergo ring-opening polymerization by the action of a cation, and more preferred are oxetane compounds and alicyclic epoxy compounds. Further, it is particularly preferable to use a mixture of an oxetane compound and an alicyclic epoxy compound as having excellent curability.
- the mixing ratio of the oxetane compound and the alicyclic epoxy compound is usually 95/5 to 5/95, preferably 90/10 to 50/50 by mass ratio. It is said.
- the oxetane compound used in the present invention is an oxetane compound having a moisture content of 2.5% by mass or less according to Karl Fischer method under an absolute humidity of 0.02 kg / kg. It is an oxetane compound represented by the formula (1).
- oxetane compound examples include the following exemplified compounds.
- Preferred alicyclic epoxy compounds include 3,4-epoxycyclohexylmethyl 3 4′-epoxycyclohexanecarboxylate (commercially available products under the trade names UVR6105, UVR6 110 and CELLOXIDE2021), bis (3,4 —Epoxycyclohexylmethyl) adipate (commercially available under the trade name UVR6128), bullcyclohexene monoe Poxide (commercially available under the trade name CELOXIDE2000), ⁇ -force prolatatone modified 3, 4_ epoxycyclohexylmethyl 3 ', 4' _epoxycyclohexanecarboxylate (commercial product name is CELOXIDE2081), 1_methyl _4_ ( 2-Mixoxylael) _ 7-Oxabicyclo [4, 1, 0] heptane (commercially available under the trade name CELOXIDE 3000).
- UVR6105, 1 ⁇ 6110 and 11 ⁇ 16 1 28 are all available from Union Carbide.
- Commercial products having the trade names of CELOXIDE2000, CELLOXIDE2021, CELOXIDE2081 and CELOXIDE 3000 are all available from Daicel Engineering.
- UVR6105 is a low viscosity product of UVR6110.
- Examples of the cationic polymerization initiator include known sulfonium salts and ammonium salts, as well as diallydonium salts, triarylsulfonium salts, and the like. JP-A-8-143806 Further, those described in JP-A-8-283320 can be appropriately selected and used.
- As the cationic polymerization initiator a commercially available product can be used as it is. Typical examples of commercial products are under the trade names CI— 1370, CI— 2064, CI— 2397, CI— 2624, CI— 2639, CI— 2734, CI— 2758, CI— 2823, CI— 2855 and CI— 5102.
- the amount of the cationic polymerization initiator used varies depending on the type thereof, the type and amount ratio of the cationic polymerizable compound to be used, use conditions, etc., but practically 100 parts by mass of the cationic polymerizable compound in the composition On the other hand, it is usually 0.:! To 20 parts by mass, preferably 1 to 10 parts by mass, and more preferably 3 to 5 parts by mass. Polymerization proceeds quickly when the amount of cationic polymerization initiator is large, but storage stability tends to be impaired, and when it is small, curability is poor.
- the water content in the cation polymerizable active energy ray-curable composition is the type and amount ratio of the cationic polymerizable compound, the type and amount ratio of the cationic polymerization initiator, and the type and amount of other additives.
- the moisture content by the Karl Fischer method should be 2.5% by mass or less with respect to the total amount of the cationically polymerizable composition at an absolute humidity of 0.02 kg / kg.
- the water content in the cationically polymerizable active energy ray-curable composition is preferably 1.5% by mass or less when the water content by the Karl Fischer method is 0.02 kg / kg in absolute humidity. If the water content is excessive, the curability of the cationically polymerizable compound cannot be sufficiently improved, or water precipitates in a low-temperature environment, and the stably dispersed pigment aggregates.
- the cationically polymerizable active energy ray-curable composition of the present invention can be produced by sufficiently mixing a cationically polymerizable compound, a cationic polymerization initiator, and other additives such as a pigment.
- a cationically polymerizable compound for example, a ball mill, sand mill, attritor, roll mill, agitator, Henschel mixer, colloid mill, ultrasonic homogenizer, pearl mill, wet jet mill, paint shaker, or the like can be used.
- a dispersing agent can be added when dispersing the pigment.
- the dispersing agent it is preferable to use a polymeric dispersing agent.
- the polymeric dispersing agent Avecia's Solspers e series can be mentioned. It is also possible to use a synergist according to various pigments as a dispersion aid. These dispersants and dispersion aids are preferably added in an amount of 1 to 50 parts by mass with respect to 100 parts by mass of the pigment.
- the dispersion medium uses a solvent or a polymerizable compound.
- the actinic ray curable ink used in the present invention is preferably solventless because it reacts and cures immediately after ink landing. If the solvent remains in the cured image, the solvent resistance deteriorates, and the problem of V0C of the remaining solvent occurs. Therefore, it is preferable from the viewpoint of dispersibility that the dispersion medium is not a solvent but a polymerizable compound, and among them, a monomer having the lowest viscosity is selected.
- the dispersion of the pigment is preferably such that the average particle diameter of the pigment particles is 0.08 to 0.5 am, and the maximum particle diameter is 0.3 to 10 / m, preferably 0.3 to Pigment, dispersant, dispersion medium to be 3 / m
- the body selection, dispersion conditions, and filtration conditions are set appropriately.
- the viscosity of the cation-polymerizable active energy ray-curable composition of the present invention can be appropriately adjusted by selecting the molecular weight and combination of the cation-polymerizable compound according to the application.
- the viscosity at 25 ° C is 5 to 50 mPa's, preferably 10 to 30 mPa's. Adjusted.
- the cationically polymerizable active energy ray-curable composition of the present invention forms an image by initiating a polymerization reaction by active energy rays such as ultraviolet rays, X-rays, and electron beams, or by heating, as in a conventional method. be able to.
- active energy rays such as ultraviolet rays, X-rays, and electron beams
- various additives such as pigments, dyes, sensitizers, flame retardants and antistatic agents can be added to the cation polymerizable active energy ray curable composition of the present invention, if desired. It is suitably used for inks, vehicles, varnishes, paints, adhesives, pre-predas, sealing materials, laminates and molding materials.
- ink was adjusted according to the following method.
- an alicyclic epoxy compound, an oxetane compound, a cationic polymerization initiator, and various additives are mixed thoroughly to prepare a cationically polymerizable active energy ray-curable composition as an ink. Examples were used (ink numbers 1 to 7).
- Example 1 except that the epoxy compound Celoxide 3000 was replaced with Celoxide 2021P and the Oxetane compound OXT-10 was replaced with OXT-221, the ink was prepared in the same manner as in Ink No. 1 to obtain a comparative example ( Ink number 8).
- the physical properties of the obtained ink were measured according to the following method.
- viscosity The viscosity of the ink was measured under the condition of a temperature of 25 ° C. using a vibration type viscometer VISCOMATE VM — 1G_MH manufactured by YAMAICHI. CO. LTD.
- the ink was prepared, it was left in an open system for 24 hours in an environment with an absolute humidity of 0.02 kgZkg (for example, 29 ° C. 80% RH), and the moisture content immediately after that was measured by the Karl Fischer method.
- the measuring device used was KF_100 model manufactured by Mitsubishi Chemical Corporation.
- Table 1 shows the formulation of each ink and the results of the above measurements.
- Celoxide 3000 Alicyclic epoxy compound (manufactured by Daicel UCB)
- Celoxide 2021P Alicyclic epoxy compound (manufactured by Daicel UCB)
- Silacure UVR— 6216 Epoxy coconut olefin (manufactured by Dow Chemical Co., Ltd.) >
- SP-152 Sulfonium salt (Adekaoptomer SP-152 manufactured by Asahi Denka)
- ⁇ XT_221 Oxetane compound (manufactured by Toagosei Co., Ltd.)
- ⁇ -212 Oxetane compound (manufactured by Toagosei Co., Ltd.) MP ⁇ : 2_ (4-methoxy monophenyl) _ 3, 3-dimethyl monooxetane (oxetane described in JP 2001-18386A)
- a cationic polymerizable compound is used as a composition for inkjet ink, and a recording head having a nozzle capable of selectively controlling the ejection of ink droplets on a recording material.
- the ink is cured by ejecting ink droplets and irradiating with active energy rays after the ink has landed.
- An ink thin film (thickness 10 ⁇ ) was formed on one surface of a polyethylene terephthalate (PET) film.
- PET polyethylene terephthalate
- the resulting film was passed under an 80 watt high-pressure mercury lamp at a belt speed of 20 minutes per minute, and the thin film was irradiated with ultraviolet rays.
- a piezo-type inkjet nozzle (nozzle pitch 360dpi, dpi in the present invention represents 2.5 dots per 54cm) that gives a droplet size of 7pl, and the nozzle part at 50 ° C
- the sample was emitted using a corona-treated polyethylene terephthalate film as the recording material, and a solid image and a 6-point MS Mincho script were printed.
- the light source is a fluorescent tube with a main peak at 308 nm. Under the conditions of the illumination power Sl0mWZcm2 directly under the light source, the exposure starts 0.2 seconds after landing and the exposure ends 0.7 seconds. I ended it. The exposure energy was 5 mj / cm2.
- printing was performed in a low humidity environment (23 ° C, 30% RH) and a high humidity environment (27 ° C, 80% RH).
- the printed images formed under each environment were evaluated for ink curability according to the following criteria.
- Paste a 25mm wide cello tape (registered trademark) on a solid image formed in each environment and press it firmly, then peel it off quickly at a peel angle of 90 degrees, and visually observe the state of the image after isolation.
- the adhesion to the recording material was evaluated according to the above criteria.
- Partially defective Part of the image is peeled off when the tape is peeled off
- the 6-point MS Mincho fonts formed in each environment were observed with a magnifying glass, the state of adjacent dots was observed, and image blur resistance was evaluated according to the following criteria.
- the ink After the ink is put in a container and covered (sealed system) and the lid is closed (open system), it is subjected to an accelerated test in a high temperature environment of about 60 ° C for 1 month, and then the ink state was visually evaluated. Evaluation was based on the following criteria.
- ink numbers 1 to 7 in the examples all show excellent characteristics, but ink number 8 in the comparative example has a problem in the characteristics.
- the cationically polymerizable active energy ray-curable composition of the present invention and the image forming method using the composition are not affected by environmental humidity, and are curable and adhesive to a recording material. Is suitable for use in the field of image formation where an excellent image can be obtained.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Polyethers (AREA)
- Ink Jet (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006548735A JPWO2006064638A1 (ja) | 2004-12-15 | 2005-11-22 | カチオン重合性活性エネルギー線硬化型組成物および該組成物を用いた画像形成方法 |
EP05809381A EP1826228A1 (en) | 2004-12-15 | 2005-11-22 | Composition capable of cationic polymerization and actinic energy ray curing and method of image forming using the composition |
US11/792,997 US20080146777A1 (en) | 2004-12-15 | 2005-11-22 | Composition that is Curable Cationic Polymerization Initiated by Active Energy Beam and Image Forming Method Using the Composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-362756 | 2004-12-15 | ||
JP2004362756 | 2004-12-15 |
Publications (1)
Publication Number | Publication Date |
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WO2006064638A1 true WO2006064638A1 (ja) | 2006-06-22 |
Family
ID=36587699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/021440 WO2006064638A1 (ja) | 2004-12-15 | 2005-11-22 | カチオン重合性活性エネルギー線硬化型組成物および該組成物を用いた画像形成方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20080146777A1 (ja) |
EP (1) | EP1826228A1 (ja) |
JP (1) | JPWO2006064638A1 (ja) |
WO (1) | WO2006064638A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007145835A (ja) * | 2005-11-04 | 2007-06-14 | Fujifilm Corp | オキセタン化合物 |
JP2007238644A (ja) * | 2006-03-03 | 2007-09-20 | Fujifilm Corp | 硬化性組成物、インク組成物、インクジェット記録方法、印刷物、平版印刷版の製造方法、及び平版印刷版 |
JPWO2006104167A1 (ja) * | 2005-03-28 | 2008-09-11 | 東亞合成株式会社 | オキセタン環を有する1,3−プロパンジオール誘導体 |
JP2009185219A (ja) * | 2008-02-08 | 2009-08-20 | Toyo Ink Mfg Co Ltd | 紫外線硬化型缶用塗料組成物及びその利用 |
WO2018164076A1 (en) | 2017-03-06 | 2018-09-13 | Ricoh Company, Ltd. | Film electrode, resin layer forming ink, inorganic layer forming ink, and electrode printing apparatus |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US8784723B2 (en) * | 2007-04-01 | 2014-07-22 | Stratasys Ltd. | Method and system for three-dimensional fabrication |
US20100140850A1 (en) * | 2008-12-04 | 2010-06-10 | Objet Geometries Ltd. | Compositions for 3D printing |
US20100140852A1 (en) | 2008-12-04 | 2010-06-10 | Objet Geometries Ltd. | Preparation of building material for solid freeform fabrication |
US20110223391A1 (en) * | 2008-12-05 | 2011-09-15 | The Inctec Inc. | Ink Composition for Ink Jet Recording of the Active Energy Beam Curing Type, and Printed Article |
JP7279298B2 (ja) | 2017-03-06 | 2023-05-23 | 株式会社リコー | 電極 |
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- 2005-11-22 EP EP05809381A patent/EP1826228A1/en not_active Withdrawn
- 2005-11-22 US US11/792,997 patent/US20080146777A1/en not_active Abandoned
- 2005-11-22 JP JP2006548735A patent/JPWO2006064638A1/ja active Pending
- 2005-11-22 WO PCT/JP2005/021440 patent/WO2006064638A1/ja active Application Filing
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JPWO2006104167A1 (ja) * | 2005-03-28 | 2008-09-11 | 東亞合成株式会社 | オキセタン環を有する1,3−プロパンジオール誘導体 |
JP4760827B2 (ja) * | 2005-03-28 | 2011-08-31 | 東亞合成株式会社 | オキセタン環を有する1,3−プロパンジオール誘導体 |
JP2007145835A (ja) * | 2005-11-04 | 2007-06-14 | Fujifilm Corp | オキセタン化合物 |
JP2007238644A (ja) * | 2006-03-03 | 2007-09-20 | Fujifilm Corp | 硬化性組成物、インク組成物、インクジェット記録方法、印刷物、平版印刷版の製造方法、及び平版印刷版 |
JP2009185219A (ja) * | 2008-02-08 | 2009-08-20 | Toyo Ink Mfg Co Ltd | 紫外線硬化型缶用塗料組成物及びその利用 |
WO2018164076A1 (en) | 2017-03-06 | 2018-09-13 | Ricoh Company, Ltd. | Film electrode, resin layer forming ink, inorganic layer forming ink, and electrode printing apparatus |
US11909031B2 (en) | 2017-03-06 | 2024-02-20 | Ricoh Company, Ltd. | Film electrode, resin layer forming ink, inorganic layer forming ink, and electrode printing apparatus |
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EP1826228A1 (en) | 2007-08-29 |
US20080146777A1 (en) | 2008-06-19 |
JPWO2006064638A1 (ja) | 2008-06-12 |
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