WO2005068417A1 - 新規なトリフェニルメタン誘導体、それを含有する有機ゲル化剤、有機ゲルおよび有機ファイバー - Google Patents
新規なトリフェニルメタン誘導体、それを含有する有機ゲル化剤、有機ゲルおよび有機ファイバー Download PDFInfo
- Publication number
- WO2005068417A1 WO2005068417A1 PCT/JP2005/000561 JP2005000561W WO2005068417A1 WO 2005068417 A1 WO2005068417 A1 WO 2005068417A1 JP 2005000561 W JP2005000561 W JP 2005000561W WO 2005068417 A1 WO2005068417 A1 WO 2005068417A1
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- WIPO (PCT)
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- organic
- gel
- triphenylmethane derivative
- formula
- triphenylmethane
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C275/28—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C275/40—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton being further substituted by nitrogen atoms not being part of nitro or nitroso groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
-
- 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
- C09K3/00—Materials not provided for elsewhere
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/298—Physical dimension
Definitions
- Novel triphenylmethane derivatives organic gelling agents containing them, organic gels and organic fibers
- the present invention relates to a novel triphenylmethane derivative, an organic gelling agent containing the same, an organic gel, and an organic fiber.
- the trifluoromethane derivative has a capability of gelling various organic solvents under heating, and can easily obtain organic nanofibers.
- a gel is a state in which a colloidal particle in a colloidal solution becomes a coagulated particle under a certain condition to form a network structure, wraps a liquid therein and loses fluidity, or is in such a state.
- Hydrogels and organic gels are classified according to whether the solvent, which is a substance and a component of the gel, is water or an organic solvent.
- the organic gel can be used at high temperatures, such as a shock absorbing material, a material for imparting drug release and release properties, an agent for recovering organic liquids, solidifying the electrolyte, Silicone oil gel for cosmetics, wiring materials for electronic devices such as metal nanowires produced using the obtained organic nanofibers as templates, separation films for nanoscale materials, highly efficient photocatalysts, and nanofibers It can be used as a medium for regenerative medicine using a non-woven fabric (nano-fabric), bio'chemicalno, a filter for preventing zard, etc., for applications that are difficult to achieve with hydrogels.
- a shock absorbing material such as a shock absorbing material, a material for imparting drug release and release properties, an agent for recovering organic liquids, solidifying the electrolyte, Silicone oil gel for cosmetics, wiring materials for electronic devices such as metal nanowires produced using the obtained organic nanofibers as templates, separation films for nanoscale materials, highly efficient photocatalysts, and nanofibers
- Non-Patent Document 1 describes a method for preparing an organic gel composed of poly (benzylglutamate) and dioxane force. Force geli-dani involves a high temperature of 10 to 20 days at 70 ° C and a long time. You need
- Patent Document 1 describes an organic gelling agent using a polyamide which also has an aromatic dicarboxylic acid having a nitro group and a metal salt such as salted iron, and the like. After dissolving uniformly in a solvent, adding a metal salt as a flocculant It is necessary and causes problems such as coloring by metal salts and corrosion of containers and instruments.
- Patent Document 2 describes an organic gelling agent comprising a cyclohexane derivative, but has a minimum Gyridani concentration of 15 gZL or more, and cannot be said to be sufficient as a Gyridani ability.
- Patent Document 1 JP-A-995611
- Patent Document 2 Japanese Patent Application Laid-Open No. 2003-64047
- Non-Patent Document l Macromolecule ⁇ 23, 3779 (1990)
- a second component such as a metal salt
- Another object of the present invention is to provide an organic gelling agent having the following properties, and an organic gel and an organic fiber which also have an organic gelling agent power.
- the present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, a triphenylmethane derivative having a strong hydrogen bond-forming ability of a novel structure and a urea bond has shown excellent performance as a gelling agent.
- the present inventors have found that organic fibers of several tens of nanometers can be produced by a simple method, and the present invention has been completed.
- the present invention provides a triphenylmethane derivative, an organic gelling agent, an organic gel, and an organic fiber described in the following [1] to [9].
- R 1 is a linear or branched alkyl group having 120 carbon atoms
- R 2 is a linear or branched alkylene group having 2-10 carbon atoms
- X is NH, NR 1 , O or A single bond
- n represents an integer of 0 to 10. However, a plurality of R 1 R 2 , X, and n may be the same or different.
- R 1 is the same as in the general formula (1).
- R 1 is a straight-chain or branched alkyl group having 6-10 carbon atoms [31 triphenylmethane Derivatives.
- FIG. 1 is an electron micrograph of the organic fiber produced in Example 5.
- R 1 represents a straight-chain or branched alkyl group having 120 carbon atoms.
- R 1 represents a straight-chain or branched alkyl group having 120 carbon atoms.
- n-propyl, n-butyl, t-butyl, hexyl, octyl, decyl, dodecyl, tetradecyl, hexadecyl, heptadecyl, octadecyl, eicosadecyl and neopentyl are particularly preferred.
- R 2 represents a linear or branched alkylene group having 2 to 10 carbon atoms.
- n represents an integer of 0 to 10, and is preferably 0 or 1. However, when n is 2 or more, R 2 is a linear or branched alkylene group having 2 to 3 carbon atoms, for example, an ethylene group or propylene group. Are preferred.
- X represents NH, NR 1 , O or a single bond, and NH is preferable. A plurality of R 2, n and X may be the same or different.
- linear or branched alkylene group having 2 to 10 carbon atoms examples include ethylene, propylene, butylene, isobutylene, pentylene, isopentylene, nepentylene pentylene, hexyl, cyclohexylene, heptylene, otaylene, and norylene. , De-force-lene group and the like.
- compounds having n-force ⁇ or 1 are preferred as triphenylmethane derivatives because of the availability of triphenylmethane structural raw materials, and compounds having urea bond have gelling properties. Because of its high value, the compound of the general formula (2) in which n is 0 and X is NH 2 in the general formula (1) is particularly preferred.
- R 1 is a straight-chain or branched alkyl groups each independently having a carbon number of one 20 shows different Gerui ⁇ by the number of carbon atoms.
- R 1 is a straight-chain or branched alkyl group having 115 carbon atoms
- the gelling ability for a highly polar solvent such as propylene carbonate is high.
- the gelling ability with respect to a polar solvent such as isopropanol is high.
- R 1 is a linear or branched alkyl group having 11 to 120 carbon atoms
- the gelling ability to a hydrophobic solvent such as toluene and decalin is high. That is, the organic gelling agent of the present invention can perform gelling on a variety of polar solvents by changing the type of the side chain in the compound.
- the triphenylmethane derivative represented by the general formula (1) is composed of triphenylmethane triisocyanate, a monoamine represented by the following formula (3), a monool represented by the formula (4), and a monool represented by the following formula (5).
- the reaction is carried out under the following conditions, or the above-mentioned acid halide of a monoisocyanate represented by the following formula (6) or a monocarboxylic acid represented by the following formula (5) is added to triphenylmethane triamine (leuco base). It can be obtained by reacting in the presence or absence of a solvent.
- concentration of the reaction solution is 1-90 % Is preferable, and 5-50% is particularly preferable.
- reaction time is 30 minutes to 10 hours, preferably about 115 hours.
- the reaction can be tracked by observing the absorption peak of the isocyanate group by performing IR measurement of the reaction solution, and the end of the reaction can be determined by confirming the disappearance of the isocyanate group.
- the reaction time may be shortened by adding 0.001 to 10% by mass of a basic catalyst such as triethylamine or pyridine or a metal-containing catalyst such as alkyltin hydroxide or alkyl titanate.
- the reaction mixture is added to a poor solvent, and the precipitate obtained by crystallization is filtered, or the reaction mixture is concentrated as it is or under reduced pressure to remove the precipitate. It can be obtained by filtration or by dissolving the concentrate under reduced pressure in another solvent such as alcohols-acetone or the like, followed by cooling and filtering the precipitate.
- the obtained precipitate may be dried if necessary.
- the monool conjugate represented by the formula (4) can be synthesized by reacting ethylene oxide or propylene oxide with a monohydric alcohol as a reaction initiator. it can.
- the monoamine compound represented by the formula (3) can be synthesized by converting the terminal hydroxy group of the monool conjugate represented by the formula (4) to an amino group.
- the Min M series is a brand name.
- the monocarboxylic acid conjugate represented by the formula (5) can be synthesized by oxidizing the terminal hydroxy group of the monol represented by the formula (4).
- the monoisocyanate conjugate represented by the formula (6) can be synthesized by converting the terminal amino group of the monoamine represented by the formula (3) into an isocyanate group.
- triphenylmethane derivative represented by the general formula (1) when n-force or 1 is, for example, triphenylmethanetriisocyanate and an alkyl group having 120 carbon atoms are used.
- Alkylamine to be reacted in the presence or absence of a solvent such as benzene, toluene, tetrahydrofuran, methylene chloride, ethyl acetate, dimethylacetamide, N, N-dimethylformamide, or triphenylmethane. It can be obtained by reacting triamine (leuco base) with an alkyl isocyanate having an alkyl group having 120 carbon atoms in the presence or absence of the above-mentioned solvent.
- the concentration of the reaction solution is preferably from 90 to 90% by mass, more preferably from 5 to 50% by mass.
- triphenylmethane derivative of the present invention is preferably produced from triphenylmethane triisocyanate, which is used as a curing agent for paints, in view of obtaining raw materials.
- the triphenylmethane derivative of the present invention is a compound characterized by having a triphenylmethane structure and one or more bonds selected from the group consisting of a urea bond, a urethan bond, and an amide bond.
- a bond group of a urea bond, a urethane bond, and an amide bond has a large hydrogen bonding property and easily forms a giant fibrous aggregate due to an intermolecular interaction.
- the triphenylmethane derivative of the present invention represented by the formula (1) has an ability to form a network structure in the presence of an organic solvent, and is useful as an organic gelling agent. This network structure is different from that of polymer compounds and inorganic compounds, and is maintained only by non-covalent bonds such as hydrogen bonds.
- the Starting from a single molecule, the process of self-assembly of the fibrous aggregate into a finally entangled network is thermoreversible.
- the triphenylmethane derivative of the present invention swells when mixed with an organic solvent to form an organic gel.
- the amount of the triphenylmethane derivative to be used in the organic solvent for forming the organic gel varies depending on the type of the organic solvent, and is usually 1 to 50 gZL, preferably 2 to 15 gZL.
- the gelling temperature can be selected between the room temperature and the boiling point of the organic solvent.
- the organic fiber of the present invention is manufactured from the above-mentioned organic gelcap.
- an organic fiber can be produced by freeze-drying the organic gel or immersing it in a poor solvent having low solubility in an organic gelling agent for 6 hours or more, and drying the gel.
- the type of the poor solvent depends on the polarity of the organic gelling agent.
- the diameter of the organic fiber of the present invention is 500 nm or less, and preferably 100 nm or less, more preferably 200 nm or less.
- a compound (triphenylmethane derivative) 0.1 Olg was placed in a test tube with a lid, and 1 ml of an organic solvent was added thereto to dissolve by heating. The obtained solution was allowed to stand at room temperature (25 ° C.) for 30 minutes, and it was examined whether gelation was possible at an lOgZL concentration.
- the minimum gelation concentration (gZL) was determined from the gelled sardines. That is, the compound was reduced to 0.1 Olg in a test tube with a lid, precisely weighed, 1 ml of each organic solvent was added, and the mixture was dissolved by heating at 80-200 ° C for 1 minute to prepare a solution having a reduced concentration of gel. The sample was placed in a constant temperature bath at ° C.
- a reaction vessel is charged with 2.96 g of 1 OmL solution of dry methylene chloride (manufactured by Kanto Chemical Co., Ltd.), and a 27% by weight solution of triphenylmethanetriisocyanate (TPMTI) in ethyl acetate (manufactured by Sumika Bayer Urethane) 4. Trade name: Desmodur RE, NCO equivalent: 441) 4.
- a solution prepared by adding 10 mL of dimethylacetamide (DMAc) to 38 g was slowly added dropwise using a dropping funnel, followed by stirring at room temperature for 1 hour. The completion of the reaction was confirmed by disappearance of the NCO group at 2230 cm- 1 in IR (KBr method).
- the obtained reaction mixture was added to a large amount of distilled water for crystallization, and the target product was obtained after separation and purification by column chromatography. The yield was 10. Og (90% yield).
- Table 1 shows the gelation ability test results.
- the structural formula of the product is determined to be formula (7).
- Example 1 was repeated except that stearylamine was replaced by 4.35 g of octylamine (Kao). Table 1 shows the gelation ability test results.
- the structural formula of the product is determined to be formula (8).
- Example 1 is the same as Example 1 except that stearylamine was replaced by 4.35 g of n-butylamine (a reagent manufactured by Kanto Idani Kagaku). Table 1 shows the results of the Geri dangling test.
- the formed gel was converted into a sol (fluid liquid) by reheating, and further changed into a gel by cooling.
- the triphenylmethane derivative of the present invention is a low molecular weight organic compound, but does not require the use of other aggregating agents, and is capable of adding several types of organic solvents by changing the types of substituents.
- the ability to gel under temperature is a factor.
- Example 1 the same elemental analysis values (as CHNO) except that stearylamine was replaced with 9-tert-butoxy-1-nanol (4.55 g) and dibutyltin dilaurate was used as catalyst (100 ppm) were used.
- the structural formula of the product is determined to be the formula (10) from the charged raw materials, elemental analysis and IR analysis.
- + represents a tert-butyl group.
- Example 1 0.1 Olg of the conjugate (triphenylmethane derivative) obtained in Example 1 was placed in a test tube with a lid, and 1 ml of 1,1,2,2-tetrachloroethane was heated and dissolved by heating. The resulting solution was allowed to stand at room temperature (25 ° C) for 30 minutes, and the resulting organic gel was immersed in methanol, a poor solvent, for 6 hours to replace the solvent. The white gel is dried by heating in an oven at 60 ° C for 1 hour. Got a body. The white solid was observed with a field emission scanning electron microscope. As a result, as shown in Fig. 1, an organic fiber with a diameter of about 50 nm to 150 nm was confirmed.
- the triphenylmethane derivative of the present invention is a low molecular weight compound, but in a relatively small amount with respect to organic solvents such as toluene, decalin, 1,1,2,2-tetrachloroethane, 2-propanol and propylene carbonate. Shows gelling ability.
- the obtained organic gel is useful as a chemomechanical system material that can be used at high temperatures, a shock / vibration absorbing material, a chemical base material, a chemical release / release material, a solidified electrolyte, and a silicone oil gel for cosmetics.
- organic nanofibers can be produced by a very simple process from the triphenylmethane derivative of the present invention.
- the organic nanofibers obtained from this triphenylmethane derivative can be used as wiring materials for electronic devices such as metal nanowires produced using the organic nanofibers as templates, separation films for nanoscale substances, and highly efficient photocatalysts.
- it can be used as a regenerative medicine culture medium using a non-woven fabric that can make use of nanofibers) or a filter for preventing biochemical hazard.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/584,857 US20090176095A1 (en) | 2004-01-19 | 2005-01-19 | Novel triphenylmethane derivative, organic gellant containing the same, organic gel, and organic fiber |
EP05703798A EP1707561A4 (en) | 2004-01-19 | 2005-01-19 | NEW TRIPHENYLMETHANE DERIVATIVE, ORGANIC GELIFYING AGENT CONTAINING THE DERIVATIVE, ORGANIC GEL AND ORGANIC FIBER |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004010306 | 2004-01-19 | ||
JP2004-010306 | 2004-01-19 |
Publications (1)
Publication Number | Publication Date |
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WO2005068417A1 true WO2005068417A1 (ja) | 2005-07-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/000561 WO2005068417A1 (ja) | 2004-01-19 | 2005-01-19 | 新規なトリフェニルメタン誘導体、それを含有する有機ゲル化剤、有機ゲルおよび有機ファイバー |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090176095A1 (ja) |
EP (1) | EP1707561A4 (ja) |
KR (1) | KR20060134968A (ja) |
CN (1) | CN1906157A (ja) |
WO (1) | WO2005068417A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008139935A1 (ja) * | 2007-05-07 | 2008-11-20 | Mitsubishi Gas Chemical Company, Inc. | シリコーンオイルを含むゲル化性組成物および有機ゲル |
US8362464B2 (en) | 2008-07-09 | 2013-01-29 | Samsung Electronics Co., Ltd. | Organic nanofiber structure based on self-assembled organogel, organic nanofiber transistor using the same, and method of manufacturing the organic nanofiber transistor |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8268395B2 (en) * | 2005-12-05 | 2012-09-18 | E. I. Du Pont De Nemours And Company | Method for providing resistance to biofouling in a porous support |
US20070125700A1 (en) * | 2005-12-05 | 2007-06-07 | Jiang Ding | Nanoweb composite material and gelling method for preparing same |
MX360810B (es) * | 2011-10-18 | 2018-11-16 | Wintershall Holding GmbH | Uso de derivados de tris - (2 - hidroxifenil) metano para producción terciaria de petróleo. |
KR101707908B1 (ko) | 2013-08-02 | 2017-02-17 | 제일모직 주식회사 | 컬러필터용 감광성 수지 조성물 및 이를 이용한 컬러필터 |
CN103992504B (zh) * | 2014-05-27 | 2016-04-27 | 哈尔滨工业大学 | 壳聚糖吸油海绵-氨基甲酸酯类复合溢油治理材料的制备方法 |
CN103980162B (zh) * | 2014-05-27 | 2015-10-21 | 哈尔滨工业大学 | 一种双氨基甲酸烷基酯类凝油剂的制备方法 |
CN112768113B (zh) * | 2020-12-31 | 2023-06-27 | 合肥工业大学 | 一种响应性纳米复合聚合物导电薄膜的制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0967563A (ja) * | 1995-09-01 | 1997-03-11 | Asahi Denka Kogyo Kk | 粘性調整剤 |
JPH0971766A (ja) * | 1995-09-06 | 1997-03-18 | Asahi Denka Kogyo Kk | 粘性調整剤 |
JP2003064346A (ja) * | 2001-08-28 | 2003-03-05 | Kyodo Yushi Co Ltd | 有機液体のゲル化剤及びゲル化物の製造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX9202311A (es) * | 1992-03-20 | 1993-09-01 | Marathon Oil Co | Gel reforzado con fibra para usarse en proceso de tratamiento subterraneo. |
US5688440A (en) * | 1995-10-26 | 1997-11-18 | Baylor University | Organic gellation agents |
-
2005
- 2005-01-19 EP EP05703798A patent/EP1707561A4/en not_active Withdrawn
- 2005-01-19 KR KR1020067013742A patent/KR20060134968A/ko not_active Application Discontinuation
- 2005-01-19 CN CNA2005800018396A patent/CN1906157A/zh active Pending
- 2005-01-19 WO PCT/JP2005/000561 patent/WO2005068417A1/ja not_active Application Discontinuation
- 2005-01-19 US US10/584,857 patent/US20090176095A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0967563A (ja) * | 1995-09-01 | 1997-03-11 | Asahi Denka Kogyo Kk | 粘性調整剤 |
JPH0971766A (ja) * | 1995-09-06 | 1997-03-18 | Asahi Denka Kogyo Kk | 粘性調整剤 |
JP2003064346A (ja) * | 2001-08-28 | 2003-03-05 | Kyodo Yushi Co Ltd | 有機液体のゲル化剤及びゲル化物の製造方法 |
Non-Patent Citations (5)
Title |
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CHEN X. ET AL: "Micellization of and solute binding to amphiphilic poly(ethylene oxide) star polymers in aqueous media", LANGMUIR, vol. 12, no. 9, 1996, pages 2207 - 2213, XP002988265 * |
FAN A. ET AL: "A urea-incorporated receptor for aromatic carboxylate anion recognition", JOURNAL OF SUPRAMOLECULAR CHEMISTRY, vol. 2, no. 1-3, 2003, pages 247 - 254, XP002988264 * |
GECZY I. ET AL: "Surface active properties and possibilities of technological application of non-ionic addition produkct of polyoxyethylated fatty alchols with isocyanates", KOLORISZTIKAI ERTESITO, vol. 24, no. 3, 1983, pages 542 - 147, XP008050615 * |
See also references of EP1707561A4 * |
SMID J. ET AL: "Star-shaped alkyl carbamates a pour point depressants", TRIBOLOGY TRANSACTIONS, vol. 40, no. 2, 1997, pages 279 - 282, XP008050616 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008139935A1 (ja) * | 2007-05-07 | 2008-11-20 | Mitsubishi Gas Chemical Company, Inc. | シリコーンオイルを含むゲル化性組成物および有機ゲル |
US8362464B2 (en) | 2008-07-09 | 2013-01-29 | Samsung Electronics Co., Ltd. | Organic nanofiber structure based on self-assembled organogel, organic nanofiber transistor using the same, and method of manufacturing the organic nanofiber transistor |
US9029840B2 (en) | 2008-07-09 | 2015-05-12 | Samsung Electronics Co., Ltd. | Organic nanofiber structure based on self-assembled organogel, organic nanofiber transistor using the same, and method of manufacturing the organic nanofiber transistor |
Also Published As
Publication number | Publication date |
---|---|
KR20060134968A (ko) | 2006-12-28 |
EP1707561A1 (en) | 2006-10-04 |
US20090176095A1 (en) | 2009-07-09 |
CN1906157A (zh) | 2007-01-31 |
EP1707561A4 (en) | 2007-10-31 |
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