Abstract: An inkjet-recording medium comprising a support and an ink-receiving layer formed thereon containing inorganic fine particles, a water-soluble aluminum compound, a zirconium compound, a cationic modified self-emulsifying polymer, a polyvinyl alcohol having a saponification value of 92 to 98 mol %, and a crosslinking agent, and a method of producing the same.

Abstract: The present invention provides a method for preparing an ink-jet recording sheet including a support and a colorant receiving layer disposed on the surface of the support, and an ink-jet recording sheet prepared by the method. The method including: coating a coating solution including inorganic fine particles, a water-soluble resin and a boron compound on the surface of the support to form a coated layer; and cross-linking and hardening the coated layer to form a colorant receiving layer. The cross-linking and hardening is performed by applying a solution containing a metal compound and having a pH of 8 or higher to the coated layer or a coated film at one of: (1) simultaneous as coating the coating solution; (2) during drying of the coated layer and before the coated layer shows a falling rate of drying; or (3) after the coated layer is dried to form the coated film.

Abstract: An inkjet-recording medium comprising a support and an ink-receiving layer formed thereon containing inorganic fine particles, a water-soluble aluminum compound, a zirconium compound, a cationic modified self-emulsifying polymer, a polyvinyl alcohol having a saponification value of 92 to 98 mol %, and a crosslinking agent, and a method of producing the same.

Abstract: An ink-jet recording sheet including a color material receiving layer on a substrate. The color material receiving layer contains a compound represented by the following general formula (I), In the general formula (I), R1 and R2 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, —COR3, —COOR4, —SO2—R5, or —N(R6)R7. R3 and R5 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, or —N(R8)R9. R4 represents a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group. R6 to R9 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, an acyl group, an alkoxy carbony group, an aryloxy carbonyl group, a carbamoyl group, an alkyl sulfonyl group, an aryl sulfonyl group, or a sulfamoyl group. R1 and R2 may link with each other so as to form a ring.

Abstract: An inkjet recording sheet has a colorant-receiving layer on a support. The colorant-receiving layer is provided with at least one of compounds represented by the following formulas (1) to (4) and which has either or both of an I/O value of at least 0.5 and a water soluble property. The colorant-receiving layer is also provided with at least one organic mordant selected from polyallylamine, polyvinylamine and derivatives of these.

Abstract: The present invention provides a method for preparing an ink-jet recording sheet including a support and a colorant receiving layer disposed on the surface of the support, and an ink-jet recording sheet prepared by the method. The method including: coating a coating solution including inorganic fine particles, a water-soluble resin and a boron compound on the surface of the support to form a coated layer; and cross-linking and hardening the coated layer to form a colorant receiving layer. The cross-linking and hardening is performed by applying a solution containing a metal compound and having a pH of 8 or higher to the coated layer or a coated film at one of: (1) simultaneous as coating the coating solution; (2) during drying of the coated layer and before the coated layer shows a falling rate of drying; or (3) after the coated layer is dried to form the coated film.

Abstract: The present invention provides a method for preparing an ink-jet recording sheet including a support and a colorant receiving layer disposed on the surface of the support, and an ink-jet recording sheet prepared by the method. The method including: coating a coating solution including inorganic fine particles, a water-soluble resin and a boron compound on the surface of the support to form a coated layer; and cross-linking and hardening the coated layer to form a colorant receiving layer. The cross-linking and hardening is performed by applying a solution containing a metal compound and having a pH of 8 or higher to the coated layer or a coated film at one of: (1) simultaneous as coating the coating solution; (2) during drying of the coated layer and before the coated layer shows a falling rate of drying; or (3) after the coated layer is dried to form the coated film.

Abstract: The invention provides an inkjet recording medium where an ink receiving layer is provided on a support body. The ink receiving layer is formed from a coating liquid which includes at least one type of water soluble multi-valent metal salt, and at least a aqueous dispersion of a cation modified self-emulsifying polymer. The average particle size of the aqueous dispersion material is 0.05 ?m or less.

Abstract: A method for producing an ink jet recording medium, including: coating a first liquid containing a water-soluble resin and a cross-linking agent to form a coating layer on a support; and providing a second liquid containing a metal compound and a basic compound to the coating layer either (1) simultaneously with coating of the first liquid or (2) before the coating layer formed of the first liquid exhibits a decreasing rate of drying during drying of the coating layer such that the coating layer is hardened by cross-linking to form an ink receiving layer on the support.

Abstract: An ink-jet recording sheet including a color material receiving layer on a substrate.

Abstract: An inkjet recording sheet comprising a support and, on a surface of the support, a colorant-receiving layer formed by applying a first coating liquid, adding a second coating liquid, after application of the first coating liquid and before the same shows a decreasing rate of drying, and thereafter hardening and drying the coat layer to form a porous structure. The first coating liquid has a pH value of 5 or lower, and is obtained by adding a solution which includes polyvinyl alcohol, a nonionic surfactant and/or amphoteric surfactant and a high boiling point organic solvent, to a dispersion including a cationic resin and vapor-phase-process silica having a specific surface area of at least 200 m2/g as measured by the BET method. The second coating liquid has a pH value of 8.5 or higher and includes a cross-linking agent capable of cross-linking the polyvinyl alcohol, an organic mordant and a nonionic surfactant.

Abstract: The present invention provides a method for preparing an ink-jet recording sheet including a support and a colorant receiving layer disposed on the surface of the support, and an ink-jet recording sheet prepared by the method. The method including: coating a coating solution including inorganic fine particles, a water-soluble resin and a boron compound on the surface of the support to form a coated layer; and cross-linking and hardening the coated layer to form a colorant receiving layer. The cross-linking and hardening is performed by applying a solution containing a metal compound and having a pH of 8 or higher to the coated layer or a coated film at one of: (1) simultaneous as coating the coating solution; (2) during drying of the coated layer and before the coated layer shows a falling rate of drying; or (3) after the coated layer is dried to form the coated film.

Abstract: An inkjet recording sheet comprising a support and, on a surface of the support, a colorant-receiving layer formed by applying a first coating liquid, adding a second coating liquid, after application of the first coating liquid and before the same shows a decreasing rate of drying, and thereafter hardening and drying the coat layer to form a porous structure. The first coating liquid has a pH value of 5 or lower, and is obtained by adding a solution which includes polyvinyl alcohol, a nonionic surfactant and/or amphoteric surfactant and a high boiling point organic solvent, to a dispersion including a cationic resin and vapor-phase-process silica having a specific surface area of at least 200 m2/g as measured by the BET method. The second coating liquid has a pH value of 8.5 or higher and includes a cross-linking agent capable of cross-linking the polyvinyl alcohol, an organic mordant and a nonionic surfactant.

Abstract: An inkjet recording sheet has a colorant-receiving layer on a support. The colorant-receiving layer is provided with at least one of compounds represented by the following formulas (1) to (4) and which has either or both of an I/O value of at least 0.5 and a water soluble property. The colorant-receiving layer is also provided with at least one organic mordant selected from polyallylamine, polyvinylamine and derivatives of these. In the formulas, each of R1 to R7 independently represents an alkyl group, an aryl group, or a heterocyclic group that may have a substituent, and any of pairs R1 and R2, R4 and R5, and R6 and R7 may be mutually coupled to form a ring.

Abstract: An inkjet recording sheet comprising a support, on the support, a colorant-receiving layer including a phenolic compound and at least one organic mordant selected from the group consisting of a polyallylamines and their derivatives, a polyvinylamine and their derivatives.

Abstract: A sheet for ink jet recording that stably holds an image printed thereon without image bleeding even if the sheet is stored in a hot and humid environment for a long period of time, that has excellent resistance to ozone and prevents the recorded image from becoming discolored through time, and that has excellent resistance to light in image portions. The sheet for ink jet recording includes at least one water-soluble compound whose basic skeleton has an ionization energy of 7.0 to 9.0 eV. The water-soluble compound preferably includes at least one of a hydroxyl group, a carboxyl group, and a sulfonic group in a molecule, and/or preferably has an I/O value of no less than 0.5.

Abstract: An easily foldable closure device for transcatheter operations, comprises: a flat closure member including a closure membrane and a frame for fimbriating a periphery of the membrane; a fixing member for fixing the closure member to a tissue surrounding a defect aperture; and a connecting member fixed at one end to the fixing member and at the other end to the closure member for holding them in close proximity to one another. The frame, fixing member and connecting member are respectively made of the same or different shape-memory alloys with a shape recovery temperature of 30 to 37° C.

Abstract: A closure device for transcatheter operations comprises an easily foldable closure member with a shape-restoring force, an easily inflective fixing member of an elastic material, and an easily inflective elastic member having either ends respectively fixed to the fixing member or closure member and holding the closure member and the fixing member in close proximity to one another. The closure device is used in combination with a catheter assembly comprising an elongated sheath opened at both ends and adapted to accommodate the folded closure device therein, and an operating member having at a distal end thereof a holding element for releasably holding the closure device and for guiding and protruding the folded closure device inserted in the sheath from a distal end of the sheath.

Abstract: Disclosed is a heat-sensitive recording material comprising a support comprised of a substrate and a thermoplastic resin layer formed thereon, and a heat-sensitive recording layer disposed on the support and containing a diazonium salt compound capable of being decomposed by ultraviolet light, wherein the thermoplastic resin layer is formed by melt extrusion and wherein the thermoplastic resin layer contains a fluorescent brightening agent and a white pigment. In the heat-sensitive recording material, the fluorescent brightening agent is preferably a compound represented by the following structural formula (I):Structural Formula (I) ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 each represent a hydrogen atom, or a substituent group or a substituent atom.

Abstract: A device for retrieval of defect closure devices, comprising a closure-catch catheter having at a distal end thereof a closure-catching device and at a proximal end thereof, a grip for operating the closure-catching. An elongated sheath having a lumen and is provided at the proximal end thereof with a lateral injection tube and hemostatic device. The catheter is moveably insertable in the lumen.