WO2010017665A1 - 一种含氟聚醚过氧化物及其在含氟单体乳液聚合中的应用 - Google Patents
一种含氟聚醚过氧化物及其在含氟单体乳液聚合中的应用 Download PDFInfo
- Publication number
- WO2010017665A1 WO2010017665A1 PCT/CN2008/001478 CN2008001478W WO2010017665A1 WO 2010017665 A1 WO2010017665 A1 WO 2010017665A1 CN 2008001478 W CN2008001478 W CN 2008001478W WO 2010017665 A1 WO2010017665 A1 WO 2010017665A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fluorine
- surfactant
- dispersion
- weight
- peroxide
- 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
- C08G65/22—Cyclic ethers having at least one atom other than carbon and hydrogen outside the ring
-
- 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
- C08G65/002—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
- C08G65/005—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
- C08G65/007—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F14/18—Monomers containing fluorine
-
- 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
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
- C08G65/323—Polymers modified by chemical after-treatment with inorganic compounds containing halogens
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
Definitions
- the invention belongs to the field of polymer chemistry, in particular to a kind of fluorine-containing polyether peroxide and its application as a surfactant in the polymerization of a fluorine-containing monomer, and polymerization of a fluorine-containing polyether peroxide as a surfactant.
- the most common method for preparing a fluorine-containing dispersion is an emulsion polymerization method in which water, an initiator, a surfactant, a fluorine-containing monomer, and a necessary auxiliary agent are separately added in a pressure vessel.
- reaction is carried out at 10 ° C to 150 ° C under a certain pressure to form a fluorine-containing aqueous dispersion.
- perfluorooctanoic acid or a salt thereof is usually used as a surfactant.
- the present invention provides a carboxylic acid or a salt thereof of a fluorine-containing polyether peroxide and a surfactant which is used as a surfactant for emulsion polymerization of a fluorine-containing monomer. Summary of the invention
- the present invention provides a fluoropolyether peroxide-containing carboxylic acid or a salt thereof and use thereof as a surfactant.
- the present invention also provides a dispersion of a fluoropolymer using a fluoropolyether peroxide-containing carboxylic acid or a salt thereof as a surfactant.
- the fluoropolyether peroxide has a peroxy linkage -0-0- and an ether linkage in the main chain. From the perspective of bond energy and bond length, the C-F bond is very stable, and an appropriate amount of ether bond is introduced. The C-O-C chain is easy to rotate, curl and relax freely. The characteristics of the above structure make the fluorine-containing polyether excellent in high temperature resistance and chemical stability, and are very suitable as a surfactant.
- the bond of the peroxygen bond is small, the bond is long, unstable and easy to decompose during the reaction, and the fluorine-containing polyether peroxide is used as a surfactant for producing an aqueous dispersion of the fluorine monomer, and synergistic with an auxiliary agent such as an initiator.
- the action makes the reaction induction process proceed smoothly, which is beneficial to the polymerization control, and can reduce the amount of the initiator or shorten the reaction time.
- the fluorine-containing polyether peroxide of the present invention has an average molecular weight of from 300 to 5,000 and has the following structure (see formula (I)):
- G f is -CF 2 CF(CF 3 )- or -CF(CF 3 )CF 2 - ;
- the terminal group A is -CF 3 , -COOM or -CF 2 COOM;
- B is -COOM or -CF 2 COOM; wherein M is -H, -N or an alkali metal element;
- the carboxylic acid or salt thereof of the fluorine-containing polyether peroxide according to the present invention is prepared by referring to Patent GB 1,104,482, and the main raw material is perfluoropropylene HFP, which is reacted under low temperature and ultraviolet lamp irradiation conditions, and then the obtained reactant is hydrolyzed.
- the organic layer was taken and subjected to negative pressure fractionation to extract fractions of different boiling ranges (between 30 ° C and 18 °C) to obtain a fluorine-containing polyether peroxide having a certain range of acid value and/or peroxy value.
- the composition unit and structure of the obtained substance are determined, and the peroxidation value of the obtained substance is determined by iodometric analysis.
- the typical substance of the carboxylic acid or a salt thereof of the fluorine-containing polyether peroxide used in the present invention may be as follows The substance shown, but is not limited to this.
- the present invention has an average molecular weight of 300-5000 as shown in formula (I).
- a fluoropolyether peroxide carboxylic acid or a salt thereof used as a surfactant in aqueous polymerization of a fluorine-containing monomer the table
- the surfactant may be a mixture of one or more of a class of compounds represented by the general formula (I).
- the aqueous polymerization of the fluoromonomer generally comprises the following steps:
- reaction medium water or other solvent
- reaction temperature is from 10 ° C to 150 ° C
- reaction time is generally from 0.5 h to 50 h. .
- the auxiliary agent is a known pH adjuster, chain transfer agent or the like, and the initiator is a known organic peroxide, inorganic peroxide or redox system substance.
- the surfactant fluoropolyether peroxide carboxylic acid or a salt thereof used in the present invention may be used in an amount of a usual surfactant such as ammonium perfluorooctanoate, generally based on the amount of water used in the polymerization, the surfactant
- the amount added may be from 0.005% to 10% by weight, preferably from 0.05% by weight to 4% by weight, more preferably from 0.05% by weight to 0.4% by weight.
- the carboxylic acid or a salt thereof of the surfactant fluorine-containing polyether peroxide used in the present invention is present in the reaction vessel during the polymerization, and the manner of addition thereof is not particularly limited and may be added before the start of the polymerization; or before the start of the polymerization Add a part first, and then add a part after the reaction starts.
- the surfactant may be added to the reaction vessel alone or may be added to the reaction vessel together with other additives.
- the fluorinated monomer which can be polymerized in the process of the present invention is not particularly limited and generally includes the following types:
- Perfluoroolefins such as tetrafluoroethylene TFE, perfluoropropylene HFP, etc.;
- Halogen-containing olefins such as vinylidene fluoride VDF, chlorotrifluoroethylene (CTFE), bromine or 3.
- Fluorinated olefin ethers such as perfluoromethyl vinyl ether PPME;
- a fluorine-free olefin or a double bond substance copolymerizable with a fluorine-containing olefin such as ethylene, propylene, or the like.
- the fluorine-containing olefin may be polymerized separately to form a homopolymer dispersion, or may be polymerized with one or more other fluorine monomers or other fluorine-free monomers to form a copolymer; copolymerizable with the fluorine monomer.
- the fluorine-free monomer generally includes ethylene and propylene.
- homopolymers generally refer to polytetrafluoroethylene (PTFE), polyvinylidene fluoride (PVDF), polychlorotrifluoroethylene (PCTFE); the classification into homopolymers usually also refers to the addition of small amounts (generally no more than 3 wt%)
- the polymer of the polymerizable monomer, the added polymerized monomer does not change the basic properties of the pure homopolymer.
- Examples of the copolymer generally include copolymers of vinylidene fluoride VDF and/or tetrafluoroethylene TFE and/or perfluoropropylene HFP; as previously indicated, the comonomers are not limited to those listed herein.
- the present invention also provides a carboxylic acid or a salt thereof in which the surfactant is a fluorine-containing polyether peroxide, and at least one fluorinated monomer is polymerized to obtain a fluoropolymer dispersion.
- the surfactant is a fluorine-containing polyether peroxide, and at least one fluorinated monomer is polymerized to obtain a fluoropolymer dispersion.
- the fluoropolymerized dispersion prepared by the process of the invention contains at least 15% by mass of solids based on the total mass of the dispersion; the average diameter of the particles in the dispersion does not exceed 300 nm;
- the concentration of the surfactant is not more than 10% by weight, not less than 0.005% by weight, preferably from 0.05% by weight to 4% by weight, more preferably from 0.05% by weight to 0.4% by weight, based on the mass.
- the fluoromonomer polymerized dispersion provided by the present invention generally has the following monomers:
- Perfluoroolefins such as tetrafluoroethylene TFE, perfluoropropylene HFP, etc.;
- Halogen-containing olefins such as vinylidene fluoride VDF, chlorotrifluoroethylene CTFE, bromine or iodine olefins;
- Fluorinated olefin ethers such as perfluoromethyl vinyl ether PPME;
- a fluorine-free olefin or a double bond substance copolymerizable with a fluorine-containing olefin such as ethylene, Propylene and the like.
- the fluoropolymerized dispersion prepared by the process of the present invention may be emulsion, plastic or gel after condensing by a known process technique; the fluoropolymer solid component may be a plastomer or an elastomer, which may be amorphous or partially crystalline. , thermoplastic or thermoset.
- the fluorine-containing polyether peroxide of the invention is used as a surfactant for producing an aqueous dispersion of a fluorine-containing monomer, and synergistically acts with an auxiliary agent such as an initiator to induce a gentle reaction process, which is advantageous for polymerization control, shortening reaction time or reducing The amount of initiator used.
- Standard specific gravity ASTM D-1457 method
- Solid content concentration drying conditions: 150 ° C, 3 h;
- an ultraviolet lamp (wavelength of 250 nm-400 nm) irradiation device with a power of 125 W is placed on a pressure-resistant steel reactor with a volume of 2000 ml and a reflow facility of -70 ° C.
- the internal pressure in the vessel is lowered, and the TFE monomer is continuously added to maintain the internal pressure at 1.9 - 2.0 MPa until the solid concentration in the dispersion is about 30%. Then, the stirring is stopped, the pressure is released, and the reaction is terminated to obtain TFE.
- the aqueous homopolymer dispersion; the reaction time is cumulatively 3.0 h; a subsequent unit process such as coagulation drying is a well-known process, and is not particularly limited.
- Propylene (HFP) supplemental mixed monomer VDF: HFP 75: 25 (molar ratio) to the internal pressure of the vessel up to 2.3MPa, adding 5g of surfactant perfluorooctanoic acid ammonium, adding potassium persulfate 10g, perfluorooctanoic acid 40ml, malonic acid diethyl 80 ml of ester and 30 g of borax initiate the reaction.
- VDF vinylidene fluoride
- HFP hexafluoropropylene
- VDF vinylidene fluoride
- HFP hexafluoropropylene
- a subsequent unit process such as coagulation drying is a well-known process, and is not particularly limited.
- the reaction time of the reaction is 3.5 h
- the solid content of the dispersion is 32.1% (mass);
- the average diameter of the primary particles is 185 nm; condensate
- the invention provides a fluorine-containing polyether peroxide which can replace perfluorooctanoic acid or a salt thereof as a surfactant in the polymerization process of a fluorine-containing monomer, thereby reducing environmental damage and protecting the environment; and during the polymerization process
- the fluorine-containing polyether peroxide can induce a gentle progress of the reaction process, thereby reducing the amount of the initiator or shortening the reaction time.
- the present invention also provides a fluorine-containing dispersion obtained by polymerizing a fluorine-containing polyether peroxide as a surfactant to a fluorine-containing monomer, and the solid component thereof may be an amorphous or partially crystalline, thermoplastic or thermosetting plastomer or Elastomer, the fluorine-containing dispersion is subjected to condensate to prepare a final product such as an emulsion, a plastic or a rubber.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08800502T PL2319879T3 (pl) | 2008-08-15 | 2008-08-15 | Nadtlenkowy fluoropolieter i jego zastosowanie w polimeryzacji emulsyjnej monomeru zawierającego fluor |
US12/996,887 US8536269B2 (en) | 2008-08-15 | 2008-08-15 | Peroxidic fluoropolyether and its use in emulsion polymerization of fluorin-containing monomer |
KR1020117000238A KR101258616B1 (ko) | 2008-08-15 | 2008-08-15 | 함불소 폴리에테르 과산화물 및 함불소 단량체의 에멀션 중합반응에서의 용도 |
EP08800502.0A EP2319879B1 (en) | 2008-08-15 | 2008-08-15 | A peroxidic fluoropolyether and its use in emulsion polymerization of fluorin-containing monomer |
PCT/CN2008/001478 WO2010017665A1 (zh) | 2008-08-15 | 2008-08-15 | 一种含氟聚醚过氧化物及其在含氟单体乳液聚合中的应用 |
JP2011510802A JP5456769B2 (ja) | 2008-08-15 | 2008-08-15 | 含フッ素ポリエーテルペルオキシド及びそれらの含フッ素単量体の乳化重合における応用 |
RU2010146212/04A RU2458940C2 (ru) | 2008-08-15 | 2008-08-15 | Пероксидные фторполиэфиры и их применение при эмульсионной полимеризации фторсодержащих мономеров |
Applications Claiming Priority (1)
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PCT/CN2008/001478 WO2010017665A1 (zh) | 2008-08-15 | 2008-08-15 | 一种含氟聚醚过氧化物及其在含氟单体乳液聚合中的应用 |
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WO2010017665A1 true WO2010017665A1 (zh) | 2010-02-18 |
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PCT/CN2008/001478 WO2010017665A1 (zh) | 2008-08-15 | 2008-08-15 | 一种含氟聚醚过氧化物及其在含氟单体乳液聚合中的应用 |
Country Status (7)
Country | Link |
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US (1) | US8536269B2 (zh) |
EP (1) | EP2319879B1 (zh) |
JP (1) | JP5456769B2 (zh) |
KR (1) | KR101258616B1 (zh) |
PL (1) | PL2319879T3 (zh) |
RU (1) | RU2458940C2 (zh) |
WO (1) | WO2010017665A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012058793A1 (zh) * | 2010-11-02 | 2012-05-10 | 中昊晨光化工研究院 | 含氟微乳的制备方法及应用 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2017105944A (ja) * | 2015-12-10 | 2017-06-15 | ダイキン工業株式会社 | 過酸化パーフルオロポリオキシアルキレン化合物の製造方法 |
CN110658301A (zh) * | 2019-10-29 | 2020-01-07 | 山东东岳高分子材料有限公司 | 全氟聚醚中过氧化物含量的测定方法 |
CN113880978A (zh) * | 2021-08-31 | 2022-01-04 | 泰兴梅兰新材料有限公司 | 聚全氟乙丙烯用含氟聚醚羧酸的微通道制备方法及装置 |
Citations (8)
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US3271341A (en) | 1961-08-07 | 1966-09-06 | Du Pont | Aqueous colloidal dispersions of polymer |
GB1104482A (en) | 1964-04-09 | 1968-02-28 | Montedison Spa | Perfluoro-olefin derivatives |
EP0790270A2 (en) * | 1996-02-14 | 1997-08-20 | AUSIMONT S.p.A. | Process for preparing peroxidic perfluoropolyethers |
US5783789A (en) * | 1996-02-14 | 1998-07-21 | Ausimont S.P.A. | Process for preparing peroxidic perfluoropolyethers |
US6878772B2 (en) | 2002-02-12 | 2005-04-12 | Solvay Solexis S.P.A. | Fluoropolymer aqueous dispersions |
EP1568730A1 (en) * | 2004-02-26 | 2005-08-31 | Solvay Solexis S.p.A. | Peroxidic perfluoropolyethers |
EP1702940A1 (en) * | 2005-03-10 | 2006-09-20 | Solvay Solexis S.p.A. | A process for preparing peroxidic perfluoropolyethers |
WO2007011631A1 (en) | 2005-07-15 | 2007-01-25 | 3M Innovative Properties Company | Aqueous emulsion polymerization of fluorinated monomers using a perfluoropolyether surfactant |
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US3274239A (en) * | 1962-08-31 | 1966-09-20 | Du Pont | Fluorocarbon ethers |
NL6709067A (zh) * | 1964-04-09 | 1968-01-08 | ||
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IT1223324B (it) * | 1987-10-28 | 1990-09-19 | Ausimont Spa | Microemulsioni acquose comprendenti perfluoropolieteri funzionali |
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IT1229845B (it) * | 1989-04-20 | 1991-09-13 | Ausimont Srl | Procedimento per la preparazione di perfluoropolieteri perossidici. |
IT1264977B1 (it) * | 1993-11-17 | 1996-10-17 | Ausimont Spa | Processo per preparare perfluoropolietri |
IT1282627B1 (it) * | 1996-02-14 | 1998-03-31 | Ausimont Spa | Procedimento per la preparazione di perfluoropoliossialchileni perossidici |
US6429258B1 (en) * | 1999-05-20 | 2002-08-06 | E. I. Du Pont De Nemours & Company | Polymerization of fluoromonomers |
ITMI20050384A1 (it) * | 2005-03-10 | 2006-09-11 | Solvay Solexis Spa | Processo per preparare perfluoropolieteri perossidici |
EP1980583A1 (en) * | 2007-04-10 | 2008-10-15 | Solvay Solexis S.p.A. | A method for preparing carbonylic perfluoropolyethers |
-
2008
- 2008-08-15 EP EP08800502.0A patent/EP2319879B1/en active Active
- 2008-08-15 WO PCT/CN2008/001478 patent/WO2010017665A1/zh active Application Filing
- 2008-08-15 JP JP2011510802A patent/JP5456769B2/ja active Active
- 2008-08-15 US US12/996,887 patent/US8536269B2/en active Active
- 2008-08-15 PL PL08800502T patent/PL2319879T3/pl unknown
- 2008-08-15 KR KR1020117000238A patent/KR101258616B1/ko active IP Right Grant
- 2008-08-15 RU RU2010146212/04A patent/RU2458940C2/ru active
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US3271341A (en) | 1961-08-07 | 1966-09-06 | Du Pont | Aqueous colloidal dispersions of polymer |
GB1104482A (en) | 1964-04-09 | 1968-02-28 | Montedison Spa | Perfluoro-olefin derivatives |
EP0790270A2 (en) * | 1996-02-14 | 1997-08-20 | AUSIMONT S.p.A. | Process for preparing peroxidic perfluoropolyethers |
US5783789A (en) * | 1996-02-14 | 1998-07-21 | Ausimont S.P.A. | Process for preparing peroxidic perfluoropolyethers |
US6878772B2 (en) | 2002-02-12 | 2005-04-12 | Solvay Solexis S.P.A. | Fluoropolymer aqueous dispersions |
EP1568730A1 (en) * | 2004-02-26 | 2005-08-31 | Solvay Solexis S.p.A. | Peroxidic perfluoropolyethers |
EP1702940A1 (en) * | 2005-03-10 | 2006-09-20 | Solvay Solexis S.p.A. | A process for preparing peroxidic perfluoropolyethers |
WO2007011631A1 (en) | 2005-07-15 | 2007-01-25 | 3M Innovative Properties Company | Aqueous emulsion polymerization of fluorinated monomers using a perfluoropolyether surfactant |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012058793A1 (zh) * | 2010-11-02 | 2012-05-10 | 中昊晨光化工研究院 | 含氟微乳的制备方法及应用 |
CN102464730A (zh) * | 2010-11-02 | 2012-05-23 | 中昊晨光化工研究院 | 含氟微乳的制备方法及应用 |
US20130213270A1 (en) * | 2010-11-02 | 2013-08-22 | Zhonghao Chenguang Research Institute Of Chemical Industry Co., Ltd. | Preparation method and use for fluorine-containing microemulsion |
JP2013540869A (ja) * | 2010-11-02 | 2013-11-07 | チョンハオ チェングァン リサーチ インスティテュート オブ ケミカル インダストリー | 含フッ素マイクロエマルションの製造方法及び応用 |
US9101892B2 (en) | 2010-11-02 | 2015-08-11 | Zhonghao Chenguang Research Institute Of Chemical Industry Co., Ltd | Preparation method and use for fluorine-containing microemulsion |
KR101572556B1 (ko) | 2010-11-02 | 2015-11-27 | 중호우 천광 리서치 인스티튜트 오브 케미컬 인더스트리 컴퍼니 리미티드 | 불소 함유 마이크로 에멀션의 제조방법 및 응용 |
Also Published As
Publication number | Publication date |
---|---|
RU2010146212A (ru) | 2012-06-27 |
KR101258616B1 (ko) | 2013-04-26 |
US8536269B2 (en) | 2013-09-17 |
US20110207880A1 (en) | 2011-08-25 |
EP2319879A4 (en) | 2015-03-11 |
RU2458940C2 (ru) | 2012-08-20 |
EP2319879B1 (en) | 2015-11-18 |
KR20110028340A (ko) | 2011-03-17 |
JP5456769B2 (ja) | 2014-04-02 |
PL2319879T3 (pl) | 2016-04-29 |
JP2011523946A (ja) | 2011-08-25 |
EP2319879A1 (en) | 2011-05-11 |
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