WO2011087263A2 - 전방향족 액정 폴리에스테르 수지의 제조방법과 그 방법에 의해 제조된 전방향족 액정 폴리에스테르 수지, 및 상기 전방향족 액정 폴리에스테르 수지의 컴파운드 - Google Patents
전방향족 액정 폴리에스테르 수지의 제조방법과 그 방법에 의해 제조된 전방향족 액정 폴리에스테르 수지, 및 상기 전방향족 액정 폴리에스테르 수지의 컴파운드 Download PDFInfo
- Publication number
- WO2011087263A2 WO2011087263A2 PCT/KR2011/000202 KR2011000202W WO2011087263A2 WO 2011087263 A2 WO2011087263 A2 WO 2011087263A2 KR 2011000202 W KR2011000202 W KR 2011000202W WO 2011087263 A2 WO2011087263 A2 WO 2011087263A2
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- WO
- WIPO (PCT)
- Prior art keywords
- wholly aromatic
- polyester resin
- aromatic liquid
- crystal polyester
- reactor
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/80—Solid-state polycondensation
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/60—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
- C08G63/605—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds the hydroxy and carboxylic groups being bound to aromatic rings
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/38—Polymers
- C09K19/3804—Polymers with mesogenic groups in the main chain
- C09K19/3809—Polyesters; Polyester derivatives, e.g. polyamides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K2019/0444—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group
Definitions
- a method for producing a wholly aromatic liquid crystal polyester resin, a wholly aromatic liquid crystal polyester resin produced by the method, and a compound of the wholly aromatic liquid crystal polyester resin are disclosed. More specifically, after the synthesis of the wholly aromatic liquid-crystalline polyester prepolymer by the condensation polymerization of monomers, the reactor comprising the synthesis of the wholly aromatic liquid crystal polyester resin by decompressing the reactor containing the synthesized prepolymer at a predetermined decompression rate A method for producing an aromatic liquid crystal polyester resin, a wholly aromatic liquid crystal polyester resin produced by the method, and a compound of the wholly aromatic liquid crystal polyester resin are disclosed.
- the wholly aromatic liquid crystal polyester resin has excellent heat resistance and excellent fluidity upon melting, and thus has been widely used in the field of electronic components as a precision injection molding material. In particular, its dimensional stability and electrical insulation are excellent, and its use is expanding as a material for films and substrates for electronic materials.
- the wholly aromatic liquid-crystalline polyester resin is a kind of thermoplastic polymer produced by condensation polymerization.
- the resin compound may be produced by extrusion or by injection. There is a problem that gas is produced or the injection molded product is carbonized in the manufacture of the injection molded product.
- a step of synthesizing the wholly aromatic liquid crystal polyester resin by depressurizing the inside of the reactor including the synthesized prepolymer at a predetermined decompression rate is provided. It provides a method for producing a wholly aromatic liquid crystal polyester resin comprising a.
- Another embodiment of the present invention provides a wholly aromatic liquid crystal polyester resin prepared by the method for producing a wholly aromatic liquid crystal polyester resin.
- Another embodiment of the present invention provides a wholly aromatic liquid crystal polyester resin compound comprising the wholly aromatic liquid crystal polyester resin.
- the decompression rate in the reactor provides a method for producing a wholly aromatic liquid crystal polyester resin adjusted to 17 ⁇ 20 torr / min so that the dolby phenomenon of the reactor contents does not occur in the reactor.
- the pressure of the reactor may be 350 ⁇ 400 °C when the pressure inside the reactor.
- the reactor is equipped with a stirrer, the pressure holding time inside the reactor can be adjusted by the torque value of the stirrer.
- Decompression inside the reactor can be released when the torque value of the stirrer reaches 5 ⁇ 6N ⁇ m.
- the wholly aromatic liquid crystal polyester resin It is manufactured by the manufacturing method of the said wholly aromatic liquid crystal polyester resin, and provides the wholly aromatic liquid crystal polyester resin which does not contain an unreacted monomer.
- 'does not contain unreacted monomer' not only contains no unreacted monomer, but also carbonized on the surface of the injection-molded product after injection processing of the resin compound made of the wholly aromatic liquid-crystalline polyester resin. It also means including an extremely small amount of unreacted monomer to the extent that no trace is observed.
- the inside of the reactor containing the synthesized prepolymer is reduced to a predetermined decompression rate to synthesize the wholly aromatic liquid-crystalline polyester resin
- a step by-products and unreacted monomers are sufficiently removed to increase the degree of polymerization, so that a separate prepolymer polymerization step is unnecessary, gas generation during post-processing such as extrusion or injection is reduced, and carbonization does not occur in the injection molded product during injection molding.
- the manufacturing method of a wholly aromatic liquid crystal polyester resin, and the wholly aromatic liquid crystal polyester resin manufactured by the said manufacturing method can be provided.
- a wholly aromatic liquid crystal polyester resin compound including the wholly aromatic liquid crystal polyester resin may be provided.
- Method for producing a wholly aromatic liquid-crystalline polyester resin by synthesizing at least two monomers to synthesize a wholly aromatic liquid-crystalline polyester prepolymer and by-product pressure by reducing the inside of the reactor containing the prepolymer And removing unreacted monomer, thereby further proceeding condensation polymerization of the prepolymer to synthesize an wholly aromatic liquid crystal polyester resin, wherein the decompression rate in the reactor is such that It is adjusted to 17 ⁇ 20 torr / min so that it does not occur.
- the monomer may comprise at least one compound selected from the group consisting of aromatic diols, aromatic diamines and aromatic hydroxyamines, and aromatic dicarboxylic acids.
- the monomer may further comprise an aromatic hydroxy carboxylic acid and / or an aromatic amino carboxylic acid.
- condensation polymerization method solution condensation polymerization, bulk condensation polymerization may be used.
- a monomer ie, acylated monomer
- a chemical such as an acylating agent (particularly, an acetylating agent) to increase reactivity may be used.
- a metal catalyst may be used to promote the reaction in the polycondensation reaction.
- metal catalysts include alkali metals such as lithium, sodium and potassium; Or oxides, hydroxides, chlorides, etc. of such alkali metals.
- the pressure reduction inside the reactor is for removing by-products such as acetic acid and unreacted monomers contained in the reactor contents. That is, by-products are removed by depressurizing the inside of the reactor to increase the polycondensation reaction rate of the wholly aromatic liquid crystal polyester prepolymer to obtain a wholly aromatic liquid crystal polyester resin having a high degree of polymerization.
- This step occurs when the unreacted monomer remains in the wholly aromatic liquid crystal polyester resin or the compound of the resin during post-processing such as extrusion or injection by removing the unreacted monomer by depressurization in the reactor. Generation of gas due to sublimation of the unreacted monomer or generation of carbides due to carbonization of the unreacted monomer can be suppressed.
- Decompression inside the reactor may be performed by a vacuum pump. Specifically, the inside of the reactor by connecting a vacuum trap filled with liquid nitrogen and the like on one side of the reactor, by connecting the vacuum pump to a portion not connected to the reactor of the vacuum trap to operate the vacuum pump at a predetermined speed Can be reduced.
- the term 'bumping' refers to a phenomenon in which the liquid boils violently as if it suddenly exploded.
- the pressure of the reactor may be 350 ⁇ 400 °C when the pressure inside the reactor.
- the temperature of the reactor is less than 350 ° C, the amount of heat required for the polycondensation reaction is not sufficient, so that the reaction may not proceed, and a large amount of unreacted monomers may exist.
- the reactor is equipped with a stirrer capable of measuring the torque value
- the reduced pressure holding time in the reactor can be adjusted by the torque value of the stirrer. That is, as the synthesis of the wholly aromatic liquid crystal polyester resin proceeds and the degree of polymerization thereof increases, the viscosity of the resin increases to increase the torque value of the stirrer. Therefore, a certain correlation is established between the degree of polymerization, the viscosity and the torque value. If the correlation is reached in advance and the torque value corresponding to the desired degree of polymerization is reached, the stirrer is stopped and an inert gas such as nitrogen is added. After the injection into the reactor to release the reduced pressure inside the reactor, the synthesized wholly aromatic liquid crystal polyester resin is discharged to the outside of the reactor.
- the pressure reduction inside the reactor may be released when the torque value of the stirrer reaches 5 ⁇ 6N ⁇ m.
- the decompression of the reactor is released before the torque value reaches 5N ⁇ m, by-products and unreacted monomers remain in the synthesized wholly aromatic liquid-crystalline polyester resin, and the degree of polymerization thereof is lowered, and gas is generated during post-processing. Is not preferable because it occurs, and if the decompression inside the reactor is released after exceeding 6N ⁇ m, the polymerization proceeds excessively and solidification of the polymer occurs in the reactor, which is not preferable because the discharge is not easy.
- the wholly aromatic liquid crystal polyester resin prepared by the method for producing an wholly aromatic liquid crystal polyester resin according to an embodiment of the present invention having the above structure does not contain any by-products and unreacted monomers, and thus does not generate gas during extrusion. .
- the prepared wholly aromatic liquid crystal polyester resin may include various repeating units in the chain, and may include, for example, the following repeating units:
- Ar is an aromatic compound in which phenylene, biphenylene, naphthalene or two phenylenes are bonded to elements other than carbon or carbon, or phenylene, biphenylene, naphthalene or two phenylene is carbon Or an aromatic compound in which at least one hydrogen is substituted with another element among aromatic compounds bonded with an element other than carbon.
- another embodiment of the present invention provides a method for producing a wholly aromatic liquid crystal polyester resin compound comprising the above-mentioned method for producing a wholly aromatic liquid crystal polyester resin.
- the method for producing the wholly aromatic liquid crystal polyester resin compound comprises the steps of synthesizing the wholly aromatic liquid crystal polyester prepolymer by condensation polymerization of at least two monomers, the interior of the reactor containing the prepolymer 17 to 20 torr / min By-reducing the by-products and unreacted monomers at a rate of 5, thereby further condensation polymerization of the prepolymer to synthesize a wholly aromatic liquid-crystalline polyester resin, and the synthesized wholly aromatic liquid-crystalline polyester resin and additives Mixing and melt kneading at a ratio to produce a wholly aromatic liquid crystal polyester resin compound.
- the additive may comprise an inorganic filler and / or an organic filler.
- the inorganic filler may include glass fiber, talc, calcium carbonate, mica, clay or a mixture of two or more thereof, and the organic filler may include carbon fiber.
- the inorganic filler and the organic filler play a role of improving the mechanical strength of the injection molded article during the injection molding of the wholly aromatic liquid crystal polyester resin compound.
- a batch kneader, a twin screw extruder or a mixing roll may be used for the melt kneading.
- a lubricant may be used during melt kneading for smooth melt kneading.
- the wholly aromatic liquid crystal polyester resin compound prepared by the method for producing an wholly aromatic liquid crystal polyester resin compound according to the exemplary embodiment of the present invention having the above structure does not substantially contain unreacted monomers, gas may be injected during injection molding. Does not generate and does not produce carbide.
- the reactor temperature was raised to 150 ° C. over 30 minutes and then maintained at this temperature for 2 hours to acetylate the alcohol functional groups of the monomers .
- the polycondensation reaction of the monomers was carried out by raising the reactor temperature to 300 ° C. at a rate of 1 ° C./min while condensing and removing acetic acid generated as a by-product from the acetylation reaction, thereby preparing a wholly aromatic liquid crystal polyester prepolymer. .
- acetic acid is additionally produced as a by-product in the preparation of the prepolymer, which is also removed continuously during the prepolymer preparation together with the acetic acid produced in the acetylation reaction.
- the vacuum pump was operated to reduce the pressure in the reactor to 5 torr at a speed of 17 torr / min, and then maintained at this pressure (5 torr) when the torque value of the stirrer reached 6 N ⁇ m.
- the pump was stopped and nitrogen gas was injected into the reactor to release the reduced pressure.
- the internal pressure of the reactor reached 5 torr was maintained for 20 minutes until the decompression is released.
- the wholly aromatic liquid crystalline polyester resin was recovered from the reactor and cooled and solidified.
- the twin-screw extruder (L /) by mixing the wholly aromatic liquid crystal polyester resin and glass fiber (pulverized glass fiber having a diameter of 10 ⁇ m and an average length of 150 ⁇ m) prepared in the above (1) at a ratio of 6: 4 by weight. D: 40, diameter: 20 mm) to prepare a compound of the wholly aromatic liquid-crystalline polyester resin by melt kneading. When the resin compound was prepared, a vacuum was applied to the twin screw extruder to remove by-products.
- Heat distortion temperature (HDT) of each wholly aromatic liquid crystal polyester resin compound prepared in Examples 1 to 2 and Comparative Examples 1 to 2 was measured according to ASTM D648, and is shown in Table 1 below.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Description
돌비 현상 발생 여부 | 용융점도(Pa·s) | 인장강도(MPa) | 하중 휨 온도(℃) | 사출시 가스 발생 여부/시편의 탄화 여부 | |
실시예 1 | × | 50 | 120 | 260 | ×/× |
실시예 2 | × | 49 | 117 | 258 | ×/× |
비교예 1 | × | 39 | 110 | 246 | ○/○ |
비교예 2 | ○ | 42 | 114 | 150 | ○/○ |
Claims (6)
- 적어도 2종의 단량체를 축중합함으로써 전방향족 액정 폴리에스테르 프리폴리머를 합성하는 단계; 및상기 프리폴리머를 포함하는 반응기의 내부를 감압하여 부산물 및 미반응 단량체를 제거하고, 이로써 상기 프리폴리머의 축중합을 추가로 진행시켜 전방향족 액정 폴리에스테르 수지를 합성하는 단계를 포함하고,상기 반응기 내부의 감압속도는 17~20 torr/min인 전방향족 액정 폴리에스테르 수지의 제조방법.
- 제1항에 있어서,상기 반응기 내부의 감압시 상기 반응기의 온도는 350~400℃인 전방향족 액정 폴리에스테르 수지의 제조방법.
- 제1항에 있어서,상기 반응기에는 교반기가 장착되고, 상기 반응기 내부의 감압 유지시간은 상기 교반기의 토크값에 의해 조절되는 전방향족 액정 폴리에스테르 수지의 제조방법.
- 제1항에 있어서,상기 반응기 내부의 감압은 상기 교반기의 토크값이 5~6N·m에 도달될 때 해제되는 전방향족 액정 폴리에스테르 수지의 제조방법.
- 제1항 내지 제4항 중 어느 한 항에 따른 전방향족 액정 폴리에스테르 수지의 제조방법에 의해 제조된 것으로, 미반응 단량체를 포함하지 않는 전방향족 액정 폴리에스테르 수지.
- 제5항에 따른 전방향족 액정 폴리에스테르 수지를 포함하는 전방향족 액정 폴리에스테르 수지 컴파운드.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2012548882A JP5826765B2 (ja) | 2010-01-12 | 2011-01-12 | 全芳香族液晶ポリエステル樹脂の製造方法、その方法によって製造された全芳香族液晶ポリエステル樹脂、及びその全芳香族液晶ポリエステル樹脂のコンパウンド |
EP11733051.4A EP2524955B1 (en) | 2010-01-12 | 2011-01-12 | Production method for a wholly aromatic liquid-crystal polyester resin, a wholly aromatic liquid-crystal polyester resin produced by means of the method, and a compound of the wholly aromatic liquid-crystal polyester resin |
US13/521,618 US8609802B2 (en) | 2010-01-12 | 2011-01-12 | Production method for a wholly aromatic liquid crystalline polyester resin, a wholly aromatic liquid crystalline polyester resin produced by means of the method, and a compound of the wholly aromatic liquid crystalline polyester resin |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100002764A KR101663317B1 (ko) | 2010-01-12 | 2010-01-12 | 전방향족 액정 폴리에스테르 수지의 제조방법과 그 방법에 의해 제조된 전방향족 액정 폴리에스테르 수지, 및 상기 전방향족 액정 폴리에스테르 수지의 컴파운드 |
KR10-2010-0002764 | 2010-01-12 |
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WO2011087263A2 true WO2011087263A2 (ko) | 2011-07-21 |
WO2011087263A3 WO2011087263A3 (ko) | 2011-12-08 |
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PCT/KR2011/000202 WO2011087263A2 (ko) | 2010-01-12 | 2011-01-12 | 전방향족 액정 폴리에스테르 수지의 제조방법과 그 방법에 의해 제조된 전방향족 액정 폴리에스테르 수지, 및 상기 전방향족 액정 폴리에스테르 수지의 컴파운드 |
Country Status (5)
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US (1) | US8609802B2 (ko) |
EP (1) | EP2524955B1 (ko) |
JP (1) | JP5826765B2 (ko) |
KR (1) | KR101663317B1 (ko) |
WO (1) | WO2011087263A2 (ko) |
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KR101350346B1 (ko) * | 2011-09-29 | 2014-01-16 | 주식회사 삼우티씨씨 | 폴리에스테르 중합 반응 장치 |
US8618239B2 (en) | 2011-09-30 | 2013-12-31 | Ticona Llc | Solid-stage polymerization system for a liquid crystalline polymer |
US9206300B2 (en) | 2013-06-07 | 2015-12-08 | Ticona Llc | High strength thermotropic liquid crystalline polymer |
KR101792873B1 (ko) | 2015-11-13 | 2017-11-20 | 세양폴리머주식회사 | 전방향족 폴리에스테르 수지의 제조방법 및 이에 따라 제조된 전방향족 폴리에스테르 |
JP6388749B1 (ja) * | 2016-11-24 | 2018-09-12 | ポリプラスチックス株式会社 | 全芳香族ポリエステルアミド及びその製造方法 |
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US5110896A (en) * | 1990-12-10 | 1992-05-05 | E. I. Du Pont De Nemours And Company | Thermotropic liquid crystalline polyester compositions |
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US5688895A (en) * | 1996-06-24 | 1997-11-18 | E. I. Du Pont De Nemours And Company | Liquid crystalline poly(ester-amides) |
DE19814529A1 (de) * | 1998-04-01 | 1999-10-07 | Basf Ag | Polyalkylenarylate mit hohem Carbonylendgruppengehalt |
US6140458A (en) * | 1998-04-28 | 2000-10-31 | Mitsui Chemicals, Inc. | Preparation process of polyester |
US6348163B1 (en) * | 1998-09-18 | 2002-02-19 | Eastman Chemical Company | Liquid crystalline polyesters compositions containing aromatic phosphonites and a process for the preparation thereof |
JP4522627B2 (ja) * | 2001-11-26 | 2010-08-11 | 上野製薬株式会社 | 液晶ポリエステル樹脂 |
JP4357966B2 (ja) * | 2002-01-18 | 2009-11-04 | ポリプラスチックス株式会社 | 芳香族ポリマーの製造方法 |
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JP2004346263A (ja) * | 2003-05-26 | 2004-12-09 | Sumitomo Chem Co Ltd | 芳香族ポリエステルの製造方法 |
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US8025814B2 (en) * | 2008-06-23 | 2011-09-27 | Sumitomo Chemical Company, Limited | Resin composition and molded article using the same |
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2010
- 2010-01-12 KR KR1020100002764A patent/KR101663317B1/ko active IP Right Grant
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2011
- 2011-01-12 US US13/521,618 patent/US8609802B2/en active Active
- 2011-01-12 EP EP11733051.4A patent/EP2524955B1/en active Active
- 2011-01-12 JP JP2012548882A patent/JP5826765B2/ja active Active
- 2011-01-12 WO PCT/KR2011/000202 patent/WO2011087263A2/ko active Application Filing
Non-Patent Citations (1)
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Also Published As
Publication number | Publication date |
---|---|
US8609802B2 (en) | 2013-12-17 |
KR101663317B1 (ko) | 2016-10-06 |
JP5826765B2 (ja) | 2015-12-02 |
US20130137845A1 (en) | 2013-05-30 |
EP2524955A2 (en) | 2012-11-21 |
EP2524955A4 (en) | 2014-07-23 |
JP2013517347A (ja) | 2013-05-16 |
KR20110082854A (ko) | 2011-07-20 |
EP2524955B1 (en) | 2016-12-14 |
WO2011087263A3 (ko) | 2011-12-08 |
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