| Kawamura Institute of Chemical Research Patent applications |
| Patent application number | Title | Published |
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| 20110207842 | ORGANIC POLYMER POROUS MATERIAL AND METHOD FOR PRODUCING THE SAME - The present invention relates to organic polymer porous materials, and in particular, to an organic polymer porous material that functions as a reusable insoluble solid catalyst and a method for producing the same. The organic polymer porous material of the present invention is characteristic in that the amount of immobilized bases is high and the specific surface area is large. The object has been achieved by an organic polymer porous material including a polymer (P | 08-25-2011 |
| 20110195181 | SUPERHYDROPHOBIC POWDERS, STRUCTURE WITH SUPERHYDROPHOBIC SURFACE, AND PROCESSES FOR PRODUCING THESE - A process for producing superhydrophobic powders comprising silica as the main component and the surface of the powders have a contact angle with water of 150° or larger; and a structure having a superhydrophobic surface comprising the powders. The process comprised: introducing hydrophobic groups into the silica present in the surface of aggregates of organic/inorganic composite nanofibers obtained by combining a polymer, which is an organic substance, with silica, which is an inorganic substance, on the order of nanometer or into the silica obtained by calcining the organic/inorganic composite nanofibers and removing the polymer there from; and thereby making powders composed of the aggregates superhydrophobic. Also provided is a superhydrophobic powders obtained by the process. The structure having a superhydrophobic surface is obtained by fixing the superhydrophobic powders to a surface of a solid substrate. | 08-11-2011 |
| 20110097802 | ORGANIC-INORGANIC COMPOSITE DISPERSION, CELL CULTURE SUBSTRATE MANUFACTURED USING THE SAME, AND METHODS FOR PREPARING THE SAME - Disclosed are: an organic-inorganic complex dispersion improved in film formability and adhesion to a base material. The organic-inorganic complex dispersion comprises an aqueous medium and particles of a complex dispersed in the aqueous medium, wherein the complex has a three-dimensional network structure formed by a polymer of a monomer comprising a monomer represented by general formula (1) and at least one inorganic material selected from a water-swellable clay mineral and silica. Also disclosed is an antifogging material manufactured by using the organic-inorganic complex dispersion. Further disclosed is a cell culture substratum improved in the detachability of cells cultured on the substratum, which is manufactured by using the organic-inorganic complex dispersion. Still further disclosed are manufacturing methods for same. [In the formula, R1 represents a hydrogen atom or a methyl group; R2 represents an alkylene group having 2 to 3 carbon atoms; R3 represents a hydrogen atom or an alkyl group having 1 to 2 carbon atoms; and n represents a number of 1 to 9.] | 04-28-2011 |
| 20110020648 | HOLLOW POLYMER PARTICLES, COLORED HOLLOW POLYMER PARTICLES AND PRODUCTION PROCESS THEREOF - The hollow polymer particles of the present invention comprise a shell wall having for a main component thereof a copolymer obtained by polymerizing a monomer group (I) including a radical polymerizable water-soluble monomer (A) and a radical polymerizable water-insoluble monomer (B), and have a thickness of the shell wall of 5 to 80 nm. In addition, in the hollow polymer particle production process of the present invention, a monomer group (I) including a radical polymerizable water-soluble monomer (A) and a radical polymerizable water-insoluble monomer (B) is radical-polymerized using a polymerization initiator in an aqueous medium. | 01-27-2011 |
| 20100215555 | PROCESS FOR PRODUCING NANOSTRUCTURE COMPOSITE-COVERED STRUCTURE, NANOSTRUCTURE COMPOSITE-COVERED STRUCTURE, AND REACTOR USING NANOSTRUCTURE COMPOSITE-COVERED STRUCTURE - The present invention provides a structure in which the surface of a solid substrate of any shape is covered with metal oxide, in particular, a nanostructure composite in which polyethyleneimine, which is an organic substance, and metal oxide, which is an inorganic substance, are combined in nano-meter scale, spreads at the entire surface of a substrate, and the nanostructure composite forms a nano-boundary of complex shapes so as to thoroughly cover the entire surface of the substrate; a structure in which metal ions, metal nano-particles, organic pigment molecules are contained in the nanostructure composite; a process for producing these structures which can produce these structures with ease and efficiently; and an application method for the structures as an immobilized catalyst type reactor. | 08-26-2010 |
| 20100104810 | ORGANIC/INORGANIC COMPOSITE COATING FILM, STRUCTURAL COLOR FILM USING THE SAME, AND PREPARATION METHODS THEREOF - An organic/inorganic composite coating film comprising an inorganic material as a matrix and an organic material combined therewith. The coating film has a regular hollow structure therein, and the coating film surface has a rugged pattern with semispherical protrusions. Also provided is a large-area structural color film obtained by burning the composite coating film. The organic/inorganic composite coating film is obtained by applying an aqueous coating composition comprising a metal alkoxide, an aqueous dispersion of monodisperse polymer particles, and an acid catalyst to a substrate and curing the coating composition. Burning the organic/inorganic composite coating film gives the structural color film. | 04-29-2010 |
| 20100062928 | METHOD FOR PRODUCTION OF DOPED TITANIUM OXIDE, DOPED TITANIUM OXIDE, AND VISIBLE LIGHT-RESPONSIVE PHOTOCATALYST COMPRISING THE DOPED TITANIUM OXIDE - The present invention provides a doped titanium oxide having visible light-responsiveness whose structure is specified, and a simple production method thereof. By burning with heat a layered structure composite laminated alternately with polymer and the titania, which is obtained using basic polymer having amino group(s) and water-soluble titanium compound, carbon atoms and nitrogen atoms in the polymer are, doped to the crystalline surface of titanium oxide. As making the polymer complex with metal ions beforehand, the metal ions can be also doped to the titanium oxide. | 03-11-2010 |
| 20090291500 | PRODUCTION PROCESS OF AN ORGANIC/INORGANIC COMPOSITE HYDROGEL, CELL CULTURE SUBSTRATE COMPRISING AN ORGANIC/INORGANIC COMPOSITE HYDROGEL, AND ANTIFOGGING MATERIAL COMPRISING A DRIED ORGANIC/INORGANIC COMPOSITE HYDROGEL - The present invention provides a production process of an organic/inorganic composite hydrogel, which demonstrates superior mechanical properties, by uniformly dispersing a clay mineral in an organic polymer over a wide range of clay mineral content, and a dried form thereof, to be produced easily in a short period of time. The production process of an organic/inorganic composite hydrogel of the present invention comprises reacting a water-soluble organic monomer (a) in the presence of a water-swellable clay mineral (b) by irradiating with an energy beam in a solution in which a non-water-soluble polymerization initiator (d) is dispersed in an aqueous medium (c). | 11-26-2009 |
| 20090155591 | MICROPARTICLE HAVING NEEDLE-LIKE STRUCTURES ON SURFACE AND METHOD FOR PRODUCTION THEREOF - The present invention provides an organic-inorganic composite microparticle containing a metal complex, which has multiple needle-like structures on the surface and includes the metal complex therein; and a method for producing the microparticle in a simple manner. By using a metal complex made from a polymer having a linear polyethyleneimine chain and a metal ion, a composite microparticle which has the metal complex in silica and has a micro-needle-like structures on the surface can be derived, thus a microparticle having needle-like structures on the surface is obtained, wherein there are nano-sized multiple needle-like structures on the surface of the microparticle. The needle-like structures on the surface and the spatial structure of the resulting microparticle can be controlled by varying the species of the metal ion and the types of the substrate medium for the metal complex. | 06-18-2009 |
| 20090036591 | MONODISPERSE SILICA SPHERES CONTAINING POLYAMINE AND PROCESS FOR PRODUCING THE SAME - Monodisperse silica spheres containing polyamine, which comprise a polymer (A) having a linear polyethyleneimine chain, a compound (B) having an acidic group, and silica (C). | 02-05-2009 |
| 20080248281 | Organic-Inorganic Composite Coating Film and Aqueous Coating Composition - The organic-inorganic composite coating film of the present invention is a composite coating film wherein a complex having a polyamine segment is combined in a matrix composed of an inorganic oxide, and has a fine pore pattern on the surface. The aqueous coating composition of the present invention includes a copolymer having a polyamine segment, a metal alkoxide, and an aqueous medium. | 10-09-2008 |
