Abstract: The purpose of the present invention is to provide a novel stereoselective method for preparing a cyclic dinucleotide derivative and a production intermediate therefor, which can be used for an antibody-immunostimulant conjugate. Also provided is a method for producing a cyclic dinucleotide-linker and an antibody-immunostimulant conjugate while using the above production method. Further provided is a method for preparing a cyclic dinucleotide derivative, the method including the step of subjecting a compound (I) and a compound (IV) to stereoselective condensation using an optically active phosphitylating agent (Rc-II) or (Sc-II).

Abstract: A composition includes: a compound (A), having an Si—O bond and a cationic functional group that includes at least one selected from the group consisting of a primary nitrogen atom and a secondary nitrogen atom; a compound (B), having at least three —C(?O)OX groups, wherein X is a hydrogen atom or an alkyl group with a carbon number of from 1 to 6, and from one to six of the —C(?O)OX groups is a —C(?O)OH group; and a compound (C), having a cyclic structure and at least one primary nitrogen atom that is directly bonded to the cyclic structure, the composition having a percentage of the primary and the secondary nitrogen atoms in the compound (A), with respect to a total amount of the primary and the secondary nitrogen atoms in the compound (A) and the primary nitrogen atom in the compound (C), of from 3 mol % to 95 mol %.

Abstract: An electretized film of the present invention includes a cyclic olefin polymer, in which the electretized film is a non-porous film, and a piezoelectric constant d33 in a thickness direction, which is measured by applying a pressing force to the electretized film in the thickness direction, under conditions of a load of 0.5 N, a dynamic load of ±0.25 N, a frequency of 110 Hz, a temperature of 23° C., and a humidity of 50%, is equal to or more than 100 pC/N.

Abstract: A high-purity barium titanate powder according to the present invention has a Cl? concentration of 20 ppm or less, an electric conductivity of extracted water of 70 ?S/cm or less, and an average particle diameter of 1 ?m to 30 ?m.

Abstract: A powder mixture including spherical barium titanate particles and spherical oxide particles and having an average particle diameter of 2 ?m or more and 30 ?m or less, wherein the spherical oxide particles have an average particle diameter of 0.05 ?m or more and 1.5 ?m or less, and the spherical oxide particles are contained in an amount of 0.02% by mass or more and 15% by mass or less based on the powder mixture. The spherical oxide particles are preferably amorphous silicon dioxide particles and/or aluminum oxide particles. According to the present invention, it is possible to provide a spherical barium titanate-based powder which enables to prepare a high dielectric resin composition with which reduced wire sweep amount and burr are achieved.

Abstract: A powder mixture including spherical barium titanate particles and spherical oxide particles and having an average particle diameter of 2 ?m or more and 30 ?m or less, wherein the spherical oxide particles have an average particle diameter of 0.05 ?m or more and 1.5 ?m or less, and the spherical oxide particles are contained in an amount of 0.02% by mass or more and 15% by mass or less based on the powder mixture. The spherical oxide particles are preferably amorphous silicon dioxide particles and/or aluminum oxide particles. According to the present invention, it is possible to provide a spherical barium titanate-based powder which enables to prepare a high dielectric resin composition with which reduced wire sweep amount and burr are achieved.

Abstract: A method of manufacturing a substrate layered body includes: a step of applying a bonding material to the surface of at least one of a first substrate or a second substrate; a step of curing the bonding material applied on the surface to form a bonding layer having a reduced modulus at 23° C. of 10 GPa or less; and a step of bonding the first substrate and the second substrate via the bonding layer formed.

Abstract: Provided is: an elongated plate-form piezoelectric body, which contains an optically active helical chiral polymer (A) having a weight-average molecular weight of from 50,000 to 1,000,000 and has an elongated plate shape having a thickness of from 0.001 mm to 0.2 mm, a width of from 0.1 mm to 30 mm and a width-to-thickness ratio of 2 or higher, and in which the lengthwise direction and the main orientation direction of the helical chiral polymer (A) are substantially parallel to each other; the crystallinity measured by a DSC method is from 20% to 80%; and the birefringence is from 0.01 to 0.03.

Abstract: A powder mixture including spherical barium titanate particles and spherical oxide particles and having an average particle diameter of 2 ?m or more and 30 ?m or less, wherein the spherical oxide particles have an average particle diameter of 0.05 ?m or more and 1.5 ?m or less, and the spherical oxide particles are contained in an amount of 0.02% by mass or more and 15% by mass or less based on the powder mixture. The spherical oxide particles are preferably amorphous silicon dioxide particles and/or aluminum oxide particles. According to the present invention, it is possible to provide a spherical barium titanate-based powder which enables to prepare a high dielectric resin composition with which reduced wire sweep amount and burr are achieved.

Abstract: An electretized film of the present invention includes a cyclic olefin polymer, in which the electretized film is a non-porous film, and a piezoelectric constant d33 in a thickness direction, which is measured by applying a pressing force to the electretized film in the thickness direction, under conditions of a load of 0.5 N, a dynamic load of ±0.25 N, a frequency of 110 Hz, a temperature of 23° C., and a humidity of 50%, is equal to or more than 100 pC/N.

Abstract: The present invention aims to provide a fluororesin-aluminum oxide mixed dispersion wherein both fluororesin particle and aluminum oxide particle uniformly float and disperse in an aqueous solvent. The fluororesin-aluminum oxide mixed dispersion is obtained by mixing aqueous dispersion of fluororesin particle and aluminum oxide particle sol, wherein both the fluororesin particle and the aluminum oxide particle float and disperse, and wherein the dispersion state is stably maintained for three days or more. A solid product obtained by evaporation and scattering of the solvent from the above-described fluororesin-aluminum oxide mixed dispersion has a heat resistance of not less than 330° C.

Abstract: A high-purity barium titanate powder according to the present invention has a Cl? concentration of 20 ppm or less, an electric conductivity of extracted water of 70 ?S/cm or less, and an average particle diameter of 1 ?m to 30 ?m.

Abstract: Provided is: an elongated plate-form piezoelectric body, which contains an optically active helical chiral polymer (A) having a weight-average molecular weight of from 50,000 to 1,000,000 and has an elongated plate shape having a thickness of from 0.001 mm to 0.2 mm, a width of from 0.1 mm to 30 mm and a width-to-thickness ratio of 2 or higher, and in which the lengthwise direction and the main orientation direction of the helical chiral polymer (A) are substantially parallel to each other; the crystallinity measured by a DSC method is from 20% to 80%; and the birefringence is from 0.01 to 0.03.

Abstract: The present invention aims to provide a fluororesin-aluminum oxide mixed dispersion wherein both fluororesin particle and aluminum oxide particle uniformly float and disperse in an aqueous solvent. The fluororesin-aluminum oxide mixed dispersion is obtained by mixing aqueous dispersion of fluororesin particle and aluminum oxide particle sol, wherein both the fluororesin particle and the aluminum oxide particle float and disperse, and wherein the dispersion state is stably maintained for three days or more. A solid product obtained by evaporation and scattering of the solvent from the above-described fluororesin-aluminum oxide mixed dispersion has a heat resistance of not less than 330° C.

Abstract: The heat radiating material consists of a mixed graphite and sheet bodies. The mixed graphite has a uniform mixture of a foamed graphite and a filler. The foamed graphite consists of first and second foamed graphite having a particle size of 30-50 ?m and 200-250 ?m. The filler is one or more kinds of thermally conductive fillers selected from a group consisting of artificial graphite, boron nitride and milled pitch based carbon fiber. The first and second foamed graphite are 30-45 wt. % and 50-65 wt. % of the foamed graphite. The mixed foamed graphite is 80-95 wt. % of the entire mixed graphite. The density of the mixed graphite is 0.8-1.65 g/cm3. The mixed graphite and the sheet bodies are laminated. The heat radiating material has the thermal conductivity of 3-10 W/m·K in a thickness direction and 50-250 W/m·K in a plane direction.

Abstract: A fluororesin-metal oxide mixed dispersion (sol) with excellent operability and workability provided in a coating step is obtained by mixing aqueous dispersion of fluororesin particle, and particle sol of metal oxide with suitable pH value that is any one of titanium oxide, zirconium oxide, lanthanum oxide, neodymium oxide, cerium oxide, or tin oxide. Both the fluororesin particle and the metal oxide particle float and disperse without coagulation precipitation, gelation and solidification, and/or phase separation. The floating and dispersion state is stably maintained under room temperature storage for three days or more. Water contact angle of a solid product obtained by evaporation and scattering of a solvent from the fluororesin-metal oxide mixed dispersion is 130 degrees or less, and surface resistivity is 2.0×1012?/? (ohm/square) or less.

Abstract: Problem: A heat radiating material is provided to increase thermal conductivity in thickness direction by combining an expanded graphite and one or more kinds of thermally conductive fillers selected from a group consisting of artificial graphite, boron nitride, and milled pitch based carbon fiber, and also to enhance thermal conductivity in plane direction by sandwiching the mixture between sheet bodies. Solution: A heat radiating material consisting of a mixed graphite having a mixture of a filler and an expanded graphite, and a 10-100 micrometer thick sheet body, wherein the expanded graphite accounts for 70-95% of the entire mixed graphite, and wherein the mixed graphite and the sheet body are laminated.

Abstract: Provided is a composite material which can be preferably used as alternative seal materials to asbestos seal materials or as a heat dissipation sheet with excellent thermal conductivity. The composite material comprises: (1) an inorganic filler-containing material containing an inorganic filler and any of the following: a polyimide film, a polyimide varnish consisting of a polyamide acid solution, an incompletely-imidized and self-standing polyimide precursor film obtained by drying a polyamide acid solution, a polybenzimidazole film, a varnish consisting of a polybenzimidazole solution, a polyazomethine film, a mixed film consisting of a polyimide resin and a polybenzimidazole resin, a mixed varnish consisting of a polyamide acid solution and a polybenzimidazole solution, a mixed film consisting of a polyimide precursor and polyazomethine, a polybenzoxazole film, etc; and (2) a molding consisting of any of expanded graphite, organic fiber and inorganic fiber.

Abstract: A fuel cell separator unit having a crosslinked rubber layer is fabricated by coating a rubber-containing coating agent on the periphery of the surface of a separator to form a thin, unvulcanized rubber layer, and then vulcanizing or crosslinking the thin rubber layer. A tightly sealed fuel cell is constituted by providing both sides of the main body of the fuel cell with separator units fabricated in the manner described above. When a fuel cell separator fabricated through a crosslinking by radioactive ray irradiation, the performance of the fuel cell is not hindered by the ingredient(s) of a rubber packing. The present invention provides a fuel cell sealing structure which ensures a perfect sealing. According to the present invention, a step of attaching a thin rubber packing is no longer necessary.

Abstract: A substrate-replacing apparatus that passes a first substrate received from a first carrying part to a second carrying part, and passes a second substrate received from said second carrying part to said first carrying part, including said second carrying part that can move forward and backward along a direction orthogonal to a lamination direction of said first substrate and said second substrate, a supporting member that can move relatively in the lamination direction of said substrates with respect to said second carrying part, a first holding part that is attached to said supporting member, and can hold one of said first substrate and said second substrate, and a second holding part that is attached to said supporting member at a predetermined distance from the first holding member in the lamination direction of said substrates, and can hold another one of said first substrate and the second substrate; said supporting member and said second carrying part being moved relatively such that, when one of said f