High refractive index cladding material and electro-optical polymer optical waveguide

There is provided an optical waveguide which has appropriate orientation properties, a production process of which is simple so as to be suitable for producing an electro-optical element, and is able to reduce power consumption of the element due to excellent electro-optical properties, and further can be formed into a thin film and be layered; and a material for the optical waveguide. A cladding material of an optical waveguide, characterized by comprising a polymer compound including a triarylamine structure, and a nonlinear optical compound; and an optical waveguide produced by using the cladding material.

Metal microparticle-dispersing agent comprising branched polymeric compound having ammonium group

The invention provides a metal fine particle dispersant containing a branched polymer compound having an ammonium group. The metal fine particle dispersant of the present invention comprises a branched polymer compound having an ammonium group and having a weight average molecular weight of 500 to 5,000,000. The metal fine particle dispersant has the structure of Formula (1): The present invention also relates to a composition comprising the metal fine particle dispersant and a metal fine particle.

SURFACE-MODIFIED FINE FIBERS

There are provided surface-modified fine fibers that preserve the inherent physical properties of a matrix polymer, the surface of which is efficiently modified, that can be easily produced, and that are formed by an electrospinning method from a spinning material that is a resin composition including a fluorine-containing highly branched polymer (a) and a thermoplastic resin (b); a method for producing the fiber; and a method for modifying the surface of fine fibers. 1. Surface-modified fine fibers formed by an electrospinning method from a spinning material that is a resin composition comprising a fluorine-containing highly branched polymer (a) and a thermoplastic resin (b).2. The fine fibers according to claim 1 , wherein the fluorine-containing highly branched polymer (a) is formed by polymerizing a monomer A containing two or more radically polymerizable double bonds per molecule and a monomer B containing a fluoroalkyl group and at least one radically polymerizable double bond per molecule in the presence of 5 to 200 mol % of a polymerization initiator C relative to the total number of moles of the monomer A and the monomer B.3. The fine fibers according to claim 2 , wherein the monomer A is a divinyl compound or a di(meth)acrylate compound.4. The fine fibers according to claim 3 , wherein the monomer A is ethylene glycol di(meth)acrylate.5. The fine fibers according to claim 3 , wherein the monomer A is divinylbenzene.6. The fine fibers according to claim 2 , wherein the monomer B is a vinyl compound or a (meth)acrylate compound.8. The fine fibers according to claim 2 , wherein the polymerization initiator C is an azo polymerization initiator.9. The fine fibers according to claim 8 , wherein the polymerization initiator C is dimethyl 2 claim 8 ,2′-azobisisobutyrate.10. The fine fibers according to claim 1 , wherein the content of the fluorine-containing highly branched polymer (a) is 0.1 to 20 parts by mass relative to 100 parts by mass of the thermoplastic ...

METHOD FOR PRODUCING CHLORINATED HYPERBRANCHED POLYMER

There is provided a novel production method of a chlorinated hyperbranched polymer that is optically stable and is capable of derivatizing the chlorinated hyperbranched polymer into various compounds. A production method of a chlorinated hyperbranched polymer for producing a chlorinated hyperbranched polymer of Formula (1): 2. The production method according to claim 1 , whereinthe step of substituting a dithiocarbamate group of the hyperbranched polymer of Formula (3) having a dithiocarbamate group at a molecular terminal of the hyperbranched polymer with a chlorine atom is performed by charging all at once, continuously, or in fractional amounts, the hyperbranched polymer having a dithiocarbamate group at a molecular terminal of hyperbranched polymer into a solution of sulfuryl chloride in an organic solvent.3. The production method according to claim 1 , whereinthe step of substituting a dithiocarbamate group of the hyperbranched polymer of Formula (3) having a dithiocarbamate group at a molecular terminal of the hyperbranched polymer with a chlorine atom is performed under a condition of a temperature of −20° C. or more and 35° C. or less.4. The production method according to claim 2 , whereinthe step of substituting a dithiocarbamate group of the hyperbranched polymer of Formula (3) having a dithiocarbamate group at a molecular terminal of the hyperbranched polymer with a chlorine atom is performed under a condition of a temperature of −20° C. or more and 35° C. or less. The present invention relates to a novel production method of a chlorinated hyperbranched polymer and more in detail, the present invention relates to a production method capable of producing a chlorinated hyperbranched polymer having stable product quality even in a mass production on an industrial scale.The chlorinated hyperbranched polymer obtained by the present production method is preferably utilized as paints, inks, adhesives, resin fillers, various molding materials, nanometer-sized ...

HIGH REFRACTIVE INDEX CLADDING MATERIAL AND ELECTRO-OPTICAL POLYMER OPTICAL WAVEGUIDE

There is provided an optical waveguide which has appropriate orientation properties, a production process of which is simple so as to be suitable for producing an electro-optical element, and is able to reduce power consumption of the element due to excellent electro-optical properties, and further can be formed into a thin film and be layered; and a material for the optical waveguide. A cladding material of an optical waveguide, characterized by comprising a polymer compound including a triarylamine structure, and a nonlinear optical compound; and an optical waveguide produced by using the cladding material. 1. A cladding material of an optical waveguide , comprising:a polymer compound including a triarylamine structure; anda nonlinear optical compound.2. The cladding material according to claim 1 , whereinthe nonlinear optical compound is a compound having a tricyano-bonded furan ring.6. The cladding material according claim 5 , wherein{'sup': '1', 'the Zis a monovalent organic group of formula (9), and'}{'sup': '2', 'the Zis a hydrogen atom.'}7. An optical waveguide comprising:a core; anda cladding that surrounds an entire periphery of the core and has a refractive index smaller than a refractive index of the core, wherein{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the cladding is formed of the cladding material as claimed in .'}9. A production method of the optical waveguide as claimed in having the core and the cladding that surrounds the periphery of the core and has a refractive index smaller than a refractive index of the core claim 8 , the production method comprising: a polymer compound including a triarylamine structure; and', 'a nonlinear optical compound, 'a step of forming a lower cladding using the cladding material comprisinga step of forming on the lower cladding the core containing the nonlinear optical compound having the tricyano-bonded furan ring of formula (1) or the derivative of the nonlinear optical compound; anda step of forming an ...

POLYMER COMPOSITION CONTAINING ORGANIC NONLINEAR OPTICAL COMPOUND

There is provided a polymer matrix that can suppress the orientational relaxation of an organic nonlinear optical compound, and a composition containing this polymer matrix and an organic nonlinear optical compound, and an optical material obtained by using the composition. A composition including: a norbornene imide polymer having a structural unit of Formula [1]; and an organic nonlinear optical compound: 4. The composition according to claim 1 , whereinthe content of the organic nonlinear optical compound is 1 to 150 parts by mass per 100 parts by mass of the norbornene imide polymer.5. A varnish comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the composition as claimed in .'}6. A thin film made from the varnish as claimed in .7. An electro-optical element comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the composition as claimed in .'}8. An optical switching element comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the composition as claimed in .'}9. An organic nonlinear optical material comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the composition as claimed in .'} The present invention relates to a polymer composition containing an organic nonlinear optical compound that is used for, for example, optical information processing such as optical switches and light modulation, and optical communications. Specifically, the present invention relates to a composition in which the organic nonlinear optical compound is dispersed in a polymer matrix and to an optical material formed from the composition.In the technical fields of, for example, optical information processing and optical communications, various photoelectric devices using materials containing fluorescent dyes or nonlinear optical materials have been developed in recent years. Among these, the nonlinear optical materials are materials that show a polarization response proportional to the second, the third, or a higher-order term of the electric field ...

METAL FINE PARTICLE DISPERSANT CONTAINING BRANCHED POLYMER COMPOUND HAVING AMMONIUM GROUP

A metal fine particle dispersant for forming a disperse system of metal fine particles, the metal fine particle dispersant having a branched polymer compound having an ammonium group and having a weight average molecular weight of 500 to 5,000,000. 1. A metal fine particle dispersant for forming a disperse system of metal fine particles , the metal fine particle dispersant comprising a branched polymer compound having an ammonium group and having a weight average molecular weight of 500 to 5 ,000 ,000. This is a Division of application Ser. No. 13/060,129 filed Apr. 8, 2011, which in turn is a National Phase Application of PCT/JP2009/064670 filed on Aug. 21, 2009, which claims the benefit of Japanese Patent Application No. 2009-047110 filed on Feb. 27, 2009 and Japanese Patent Application No. 2008-214677 filed on Aug. 22, 2008. The disclosure of the prior applications is hereby incorporated by reference herein in its entirety.The present invention relates to: a metal fine particle dispersant containing a branched polymer compound having an ammonium group that is characterized by being excellent in dispersibility in an organic solvent, an aqueous solvent, or a resin; and a composition containing the metal fine particle dispersant and metal fine particles.The metal fine particle having a particle diameter of around several nm to several tens nm exhibits various physical and chemical properties different from those of a bulk metal. For example, as an optical property, it is known from old times that by a color developing mechanism called a plasmon absorption, the metal fine particle exhibits a particular hue corresponding to the type and the size of a metal, and a solution of the metal fine particle is used as a colorant of a coating or the like. Besides this application, the metal fine particle has widespread applications such as conductive pastes, transparent conductive films, high-density recording materials, light shading filters, chemical sensors, catalysts, light ...

METAL FINE PARTICLE DISPERSANT CONTAINING BRANCHED POLYMER COMPOUND HAVING AMMONIUM GROUP

A complex that includes a metal fine particle dispersant including a branched polymer compound having an ammonium group and having a weight average molecular weight of 500 to 5,000,000; and a metal fine particle, wherein the metal fine particle includes platinum (Pt) or palladium (Pd), the metal fine particle dispersant includes a branched polymer compound of Formula (1): 2. The complex according to claim 1 , wherein the metal fine particle has an average particle diameter of 1 nm or more to 100 nm or less.3. The complex according to claim 1 , wherein the branched polymer compound has a degree of distribution Mw (weight average molecular weight)/Mn (number average molecular weight) of 1 to 7.4. A composition comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the complex according to ; and'}an organic solvent.5. The composition according to claim 4 , wherein the organic solvent comprises at least one solvent selected from benzene claim 4 , toluene claim 4 , xylene claim 4 , ethylbenzene claim 4 , tetrahydrofuran claim 4 , diethyl ether claim 4 , acetone claim 4 , methyl ethyl ketone claim 4 , methyl isobutyl ketone claim 4 , cyclohexanone claim 4 , n-heptane claim 4 , n-hexane claim 4 , or cyclohexane.6. The composition according to claim 4 , wherein an amount of the metal fine particle dispersant in the composition is 50 to 2 claim 4 ,000 parts by mass claim 4 , relative to 100 parts by weight of the metal fine particle. This is a Division of application Ser. No. 14/218,469 filed Mar. 18, 2014, which in turn is a Division of application Ser. No. 13/060,129 filed Apr. 8, 2011 (now U.S. Pat. No. 8,722,562), which in turn is a National Phase Application of PCT/JP2009/064670 filed on Aug. 21, 2009, which claims the benefit of Japanese Patent Application No. 2009-047110 filed on Feb. 27, 2009 and Japanese Patent Application No. 2008-214677 filed on Aug. 22, 2008. The disclosure of the prior applications is hereby incorporated by reference herein in its ...

Pyrazole derivatives

Pyrazole compounds of formula 1! and their tautomers and salts: ##STR1## (wherein R 1 is an alkyl group, etc.; R 2 is a carboxyl group, etc.; R 3 is a halogen atom, an alkyl group, a phenyl group, etc.; R 4 , R 5 and R 6 each are a hydrogen atom, a halogen atom, etc.; R 7 is a carboxyl group, a 5-tetrazolyl group, etc.; X is a nitrogen atom, etc.; Y and Z each are CH, a nitrogen atom, etc.; A and E each are a methylene group, etc.; D is a phenyl group, etc.; G is a covalent bond, etc.). The compounds of the invention have an antagonistic effect against angiotensin II and are useful for prevention and remedy of hypertension, congestive cardiac insufficiency, chronic renal insufficiency, aldosteronism, hyper-intraocular pressure, etc.

Pyrazole derivative

A pyrazole compound represented by general formula (1), tautomers thereof, and salts of both; (wherein R1 represents alkyl, etc.; R2 represents carboxyl, etc.; R3 represents halogen, alkyl, phenyl, etc.; R?4, R5 and R6¿ represent each hydrogen, halogen, etc.; R7 represents carboxyl, 5-tetrazolyl, etc.; X represents nitrogen, etc.; Y and Z represent each CH, nitrogen, etc.; A and E represent each methylene, etc.; D represents phenyl, etc.; and G represents a covalent bond, etc.), having angiotensin II antagonism and being useful for preventing or treating hypertension, congestive heart failure, chronic renal failure, aldosteronism, increased intraocular pressure, and so forth.

Pyrazole derivative

A pyrazole compound represented by general formula (1), tautomers thereof, and salts of both; (wherein R¹ represents alkyl, etc.; R² represents carboxyl, etc.; R³ represents halogen, alkyl, phenyl, etc.; R⁴, R⁵ and R⁶ represent each hydrogen, halogen, etc.; R⁷ represents carboxyl, 5-tetrazolyl, etc.; X represents nitrogen, etc.; Y and Z represent each CH, nitrogen, etc.; A and E represent each methylene, etc.; D represents phenyl, etc.; and G represents a covalent bond, etc.), having angiotensin II antagonism and being useful for preventing or treating hypertension, congestive heart failure, chronic renal failure, aldosteronism, increased intraocular pressure, and so forth.

Metal fine particle dispersant containing branched polymer compound having ammonium group

A complex that includes a metal fine particle dispersant including a branched polymer compound having an ammonium group and having a weight average molecular weight of 500 to 5,000,000; and a metal fine particle, wherein the metal fine particle includes platinum (Pt) or palladium (Pd), the metal fine particle dispersant includes a branched polymer compound of Formula (1):

Water-soluble highly-branched polymer having paramagnetism

【課題】充分な緩和能力を持つとともに、金属イオンの解離がなく生体安全性に優れ、適度な水溶性及び脂溶性を有し、広い臓器分布及び臓器への取り込み効果を有することで、幅広いターゲット臓器及び疾患の造影が可能な、新規なＭＲＩ造影剤に使用可能な高分岐ポリマーを提供すること。 【解決手段】同一分子内にアルキレンオキシド基及び２個以上のラジカル重合性二重結合を有するモノマーＡと、同一分子内に常磁性を発現する部分及び１個以上のラジカル重合性二重結合を有するモノマーＢとを、該モノマーＡに対して５乃至２００モル％量の重合開始剤Ｃの存在下で重合させることにより得られる高分岐ポリマー、並びに該ポリマーを含むＭＲＩ造影剤。 【選択図】図５

Fine fibers with modified surface

Processes for production of surface-modified polymer structures

The invention relates to a process for the production of polymer structures which comprises the step of mixing and unifying a matrix polymer consisting of a linear polymer and a hyperbranched polymer having hydrophilic functional groups at the molecular ends and forming a structure comprising the matrix polymer and the hyperbranched polymer and the step of subjecting the structure to either immersion in water and/or a hydrophilic solvent or exposure to an atmosphere of vapor of water and/or a hydrophilic solvent at a temperature falling within the range of the Tg of the matrix polymer minus 30°C to the decomposition temperature of the matrix polymer and which is characterized by giving a modified polymer structure wherein hydrophilic functional end groups of the hyperbranched polymer are distributed in the outermost surface at an enhanced density. Further, the invention also relates to a process for the production of such polymer structures whose hydrophilic functional groups are at least partially grafted with vinyl polymer chains.

Metal microparticle-dispersing agent comprising branched polymeric compound having ammonium group

Photosensitive composition containing organic fine particles

It is an object of the present invention to provide a photosensitive composition capable of forming permanent holograms with low light scattering loss and high diffraction efficiency, and a method for forming a pattern. A photosensitive composition and a pattern formation method using the photosensitive composition are characterized in that the photosensitive composition used to form a pattern by pattern exposure includes: (a) a polymerizable compound, (b) a photopolymerization initiator, and (c) organic fine particles.

Pyrazole derivatives

金属ナノ粒子−アンモニウム基含有分岐高分子化合物複合体を含有する感光性組成物

【課題】金属ナノ粒子が有する大きな非線形光学効果を利用した回折格子を有する非線形光学薄膜素子を提供すること。 【解決手段】（ａ）重合性化合物、（ｂ）光重合開始剤、及び（ｃ）金属ナノ粒子−アンモニウム基含有分岐高分子化合物複合体を含む感光性組成物並びに該感光性組成物を用いて得られる硬化物、光学薄膜及び回折格子又はホログラム。上記アンモニウム基含有分岐高分子化合物として、下記式（１）で表される高分子化合物が好適である。 【化１】 【選択図】なし

Organic switching element and method for producing the same

There is provided a switching element including two electrodes and an organic bistable material sandwiched between the electrodes, which is expected to be applied to an organic memory element or the like. A switching element which includes: two electrodes; and an organic thin film containing a metal fine particle and interposed between the electrodes, and which exhibits such a current bistability that the switching element has two stable resistance values in response to a voltage applied, the switching element characterized in that the metal fine particle is dispersed in the organic thin film with a metal fine particle-dispersing agent containing a polymer having a dithiocarbamate group and having a weight average molecular weight of 500 to 5,000,000.

Organic switching device and method for producing the same