Abstract: Disclosed is a copolymer comprising a polyethylene segment which is a main chain; a reactive silicon-containing group which is a side group of the polyethylene segment; and a polycondensation segment bonded to the polyethylene segment, which is a part of the main chain together with the polyethylene segment or a side chain with respect to the polyethylene segment. There are provided a condensation polymer having many reactive silicon-containing groups with respect to one molecule and an organic-inorganic hybrid polymeric material having superior properties such as strength, heat resistance, weather resistance and chemical resistance by using the polymer.

Abstract: An object of the present invention is to manufacture of an industrial scale noble metal nanoparticles with superior dispersion stability. The present invention relates to a noble metal nanoparticle controlled to a mean particle size of 20 nm or less that is a metal nanoparticle comprising a noble metal component, and that contains at least one type of an organic component containing N and an organic component containing S.

Abstract: This invention provides monoglycerides containing a conjugated fatty acid, and a process for producing the above described conjugated fatty acid containing monoglycerides in which all kinds of lipases can be used as catalysts. This invention relate to monoglycerides containing a conjugated fatty acid (preferably in an amount of 50% or more of fatty acids). This invention also relates to a process for producing the conjugated fatty acid containing monoglycerides, in which the conjugated fatty acid containing a free fatty acid and glycerol are subjected to the reaction of esterification, or of esterification and glycerolysis in the presence of lipase as a catalyst.

Abstract: An ultraviolet-curing resin composition of (a) 5 to 35 parts by mass of a chlorinated polyolefin with a chlorine content of 15 to 40 mass %, (b) 15 to 60 parts by mass of an alicyclic hydrocarbon mono(meth)acrylate, and (c) 5 to 80 parts by mass of a polypropylene glycol di(meth)acrylate; and, per 100 parts by mass of the total amount of components (a), (b) and (c), (d) 0 to 1100 parts by mass of an aliphatic hydrocarbon di(meth)acrylate and (e) 0 to 600 parts by mass of a polyfunctional monomer having 3 to 6 (meth)acryloyl groups in its molecule; and, per 100 parts by mass of the total amount of components (b), (c), (d) and (e), (f) 1 to 15 parts by mass of a photoinitiator; and the composition as an active ingredient in paints, inks, adhesives, sealing agents and primers.

Abstract: Disclosed is a copolymer comprising a polyethylene segment which is a main chain; a reactive silicon-containing group which is a side group of the polyethylene segment; and a polycondensation segment bonded to the polyethylene segment, which is a part of the main chain together with the polyethylene segment or a side chain with respect to the polyethylene segment. There are provided a condensation polymer having many reactive silicon-containing groups with respect to one molecule and an organic-inorganic hybrid polymeric material having superior properties such as strength, heat resistance, weather resistance and chemical resistance by using the polymer.

Abstract: A resin composition having high thermal conductivity and excellent moldability and a method of producing the same is provided. The composition includes 40 vol % or more of a matrix resin, 10 to 55 vol % of a thermally conductive filler dispersed in the matrix resin and the balance of a low-melting point alloy connecting the thermally conductive filler to each other and having a melting point not higher than 500° C. The proportion of the volume ratio of the low-melting point alloy to that of the thermally conductive filler is set in a range from 1/30 to 3/1.

Abstract: According to the present invention, organic-inorganic hybrid polymer materials with compositional gradient, and processes for preparing the same are provided. In the organic-inorganic hybrid polymer materials with compositional gradient, formation of cracks, removal of surface, or deformation such as warp and distortion, under heat shock or upon aging, hardly occurs. The organic-inorganic hybrid polymer materials with compositional gradient are comprised of an organic polymer component and a metal oxide component which are covalently bonded each other, characterized in that concentration of the organic polymer component, or of the metal oxide component is increased or decreased in the direction of thickness of the material.

Abstract: The present invention provides a fuel cell separator obtainable by hot-molding an electroconductive resin composition that comprises a thermosetting resin (A) which comprises a compound with a dihydrobenzoxazine ring (a), a compound (b) reactive with a phenolic hydroxyl group formed by opening of a dihydrobenzoxazine ring, and a latent curing agent (c), and an electroconductive material (B); a process for producing the separator; and a fuel cell comprising the separator.

Abstract: Disclosed is a polymeric material obtained by melt-kneading, using a kneading apparatus, a resin composition containing an organic polymer having no metal alkoxy group and a metal alkoxide compound. The organic-inorganic hybrid polymeric material, a polymeric material containing this component, and a molded products obtained therefrom are suitable for high-performance and high-function plastic applications. Simple and practical processes for producing them at high productivity and at low cast are also disclosed.

Abstract: A substrate includes a non-conductive portion to be electroless-plated of a substrate, on the surface of which fine metal catalyst particles composed of silver nuclei and palladium nuclei each having an average particle size of 1 nm or less adhere at a high nuclei density of 2000 nuclei/&mgr;m2 or more. The metal catalyst particles are produced by sensitizing the non-conductive portion of the substrate by dipping the substrate in a sensitizing solution containing bivalent tin ions, activating the non-conductive portion of the substrate by dipping the substrate in a first activator containing silver ions, and activating the non-conductive portion of the substrate by dipping the substrate in a second activator containing palladium ions.

Abstract: As a method of treating a frame of spectacles which enables fine color modulation with ease, good reproducibility, and at low cost, there is provided a method of treating the surface of a frame of spectacles characterized in that a surface treating composition comprising a metal complex is used to form a coating layer on part or the whole of the surface of the frame of spectacles.

Abstract: A method for forming a Cu interconnect pattern on a ZnO film of a printed circuit board without using a metallic catalyst on the ZnO film includes the steps of replacing Zn in the ZnO film by Cu in an aqueous solution of copper sulfate to form a CuO film, reducing the CuO in the CuO film to Cu in an aqueous solution of hydrogenated boron potassium to form a metallic Cu film, and plating the metallic Cu film with a plating Cu film in a plating liquid. The absence of the metallic catalyst improves the insulation resistance of the Cu interconnect pattern in the printed circuit board.

Abstract: A substrate includes a non-conductive portion to be electroless-plated of a substrate, on the surface of which fine metal catalyst particles composed of silver nuclei and palladium nuclei each having an average particle size of 1 nm or less adhere at a high nuclei density of 2000 nuclei/&mgr;m2 or more. The metal catalyst particles are produced by sensitizing the non-conductive portion of the substrate by dipping the substrate in a sensitizing solution containing bivalent tin ions, activating the non-conductive portion of the substrate by dipping the substrate in a first activator containing silver ions, and activating the non-conductive portion of the substrate by dipping the substrate in a second activator containing palladium ions.

Abstract: According to the present invention, there is provided an organic-inorganic composite material which shows high mechanical strength and high water resistance, requires low cost for preparation, and is preferred to be used as a high performance and a high functional plastic material. The present invention provides an organic-inorganic composite material which comprises a matrix of an organic polymer (E), metal oxide particles (C) dispersed uniformly in the organic polymer (E), and a surface modifier for allowing the metal oxide particles (C) to disperse uniformly in the organic polymer (E), wherein the surface modifier is another organic polymer (A) which has a functional group formable of a covalent bond to a surface of the metal oxide particles (C).

Abstract: A substrate includes a non-conductive portion to be electroless-plated of a substrate, on the surface of which fine metal catalyst particles composed of silver nuclei and palladium nuclei each having an average particle size of 1 nm or less adhere at a high nuclei density of 2000 nuclei/&mgr;m2 or more. The metal catalyst particles are produced by sensitizing the non-conductive portion of the substrate by dipping the substrate in a sensitizing solution containing bivalent tin ions, activating the non-conductive portion of the substrate by dipping the substrate in a first activator containing silver ions, and activating the non-conductive portion of the substrate by dipping the substrate in a second activator containing palladium ions.

Abstract: According to the present invention, organic-inorganic hybrid polymer materials with compositional gradient, and processes for preparing the same are provided. In the organic-inorganic hybrid polymer materials with compositional gradient, formation of cracks, removal of surface, or deformation such as warp and distortion, under heat shock or upon aging, hardly occurs. The organic-inorganic hybrid polymer materials with compositional gradient are comprised of an organic polymer component and a metal oxide component which are covalently bonded each other, characterized in that concentration of the organic polymer component, or of the metal oxide component is increased or decreased in the direction of thickness of the material.

Abstract: A functional block copolymer useful as a compatibilizing agent for a blend of a condensation polymer and vinyl polymer comprises segments of a condensation polymer and a vinyl polymer derived from a reactive functional group-containing monomer or a functions-imparting monomer such as ultraviolet absorption or flame retardant functions. The block copolymer can further include a segment of a lower cohesive energy polymer. The condensation or vinyl polymer segment, or the lower cohesive energy polymer segment contains azo or peroxide groups which act as a polymerization initiator for the copolymerization of the vinyl monomer forming the vinyl polymer segment.

Abstract: Primarily dedicated to the production of ultrafine particles with good dispersion stability on a industrial scale, the invention provides ultrafine particles characterized in that each of its constituent particles comprises a shell substantially composed of a metal organic compound and a core substantially composed of the metal derived from the metal organic compound, the ultrafine particles having a mean diameter of 1-100 nm, and a process for producing the ultrafine particles.

Abstract: According to the present invention, the characteristics of an inorganic material are suitably supplied to an organic material, and the characteristics of an organic material are suitably supplied to an inorganic material. The organic-inorganic hybrid polymer is obtained by the process in which a polymer having a polycarbonate and/or a polyarylate moiety as a main frame and having a metal alkoxide group as a functional group, is hydrolyzed and polycondensed to form crosslinkages. Another process is that in which a polymer having a polycarbonate and/or a polyarylate moiety as a main frame and having a metal alkoxide group as a functional group, and a metal alkoxide compound are cohydrorized and copolycondensed to form crosslinkages.

Abstract: An unsaturated polyester resin composition contains a silicone-containing macro-azo-initiator and/or a silicone-containing block copolymer obtained by copolymerizing the silicone-containing macro-azo-initiator with a nonionic monomer.