Abstract: An aqueous polyurethane resin is prepared by reaction of an isocyanate group-terminated prepolymer with a chain extender containing polyamine. The isocyanate group-terminated prepolymer is obtained by reaction of at least a polyisocyanate containing 50 wt % or more of a non-multiple ring polyisocyanate that does not contain an aromatic ring and an aliphatic ring, or contains one aromatic ring or aliphatic ring; polyoxyethylene polyol; and a polyoxyethylene side chain-containing active compound having two or more hydroxyl groups or isocyanate groups at its molecular terminal and having a polyoxyethylene group in the side chain.

Abstract: [Solution to Problem] The laminating adhesive of the present invention includes a polyisocyanate component (A) and a polyol component (B), wherein the polyisocyanate component (A) contains a polyisocyanate (A1) that does not contain an aromatic ring, and the polyol component (B) contains a macropolyol (B1) that does not contain an aromatic ring but contains a cyclohexane ring.

Abstract: An aqueous polyurethane resin is prepared by reaction of an isocyanate group-terminated prepolymer with a chain extender containing polyamine. The isocyanate group-terminated prepolymer is obtained by reaction of at least a polyisocyanate containing 50 wt % or more of a non-multiple ring polyisocyanate that does not contain an aromatic ring and an aliphatic ring, or contains one aromatic ring or aliphatic ring; polyoxyethylene polyol; and a polyoxyethylene side chain-containing active compound having two or more hydroxyl groups or isocyanate groups at its molecular terminal and having a polyoxyethylene group in the side chain.

Abstract: [Solution to Problem] The laminating adhesive of the present invention includes a polyisocyanate component (A) and a polyol component (B), wherein the polyisocyanate component (A) contains a polyisocyanate (A1) that does not contain an aromatic ring, and the polyol component (B) contains a macropolyol (B1) that does not contain an aromatic ring but contains a cyclohexane ring.

Abstract: A chemical filter obtained by fabricating a chemical filter material, the chemical filter material being a woven or nonwoven fabric formed from a hydroxyl group-containing organic fiber, the hydroxyl group-containing organic fiber containing cation exchange groups introduced by radiation graft polymerization, the chemical filter material having an ion-exchange capacity of 400 meq/m2 or more with respect to the cation exchange groups, and the chemical filter material having a tensile strength of 5 to 20 N/15 mm.

Abstract: A chemical filter is obtained by pleating a nonwoven fabric, the nonwoven fabric being a spunlace nonwoven fabric prepared by causing fibers to be entangled by a spunlace method, and ion-exchange groups being introduced into the fibers by radiation graft polymerization.

Abstract: To provide a two-component curable solventless adhesive which enables a laminated composite film comprising a barrier layer and a plastic film laminated with each other to maintain excellent appearance and adhesive strength for a long period even after a sterilization treatment at high temperature, and to appropriately adjust a reaction between a base resin and a curing agent during a production of the laminated composite film, thereby to ensure excellent workability, the two-component curable solventless adhesive comprises a base resin and a curing agent, wherein the base resin contains a polyol having an acid group and a secondary or tertiary terminal hydroxyl group accounting for 30% or more of the entire terminal hydroxyl groups of the polyol, and the curing agent contains an isocyanate group-terminated urethane prepolymer containing at least an aralkyl polyisocyanate and/or a modified substance thereof as a raw polyisocyanate, and a content of a low molecular weight polyisocyanate having a molecular weig

Abstract: An adsorption filter includes at least one thin plate honeycomb filtering medium carrying a gas-adsorbing medium thereon and a filter case housing the honeycomb filtering medium therein. The thin plate honeycomb filtering medium is disposed in the filter case in such a manner as to make a series of V configurations with respect to a ventilation direction.

Abstract: The chemical filter supporting an ion-exchange resin comprising a fiber supporting body containing ion-exchange fiber and ion-exchange resin powder which is supported on the fiber supporting body is provided. The chemical filter possesses a large ion-exchange capacity per unit volume and exhibits high initial performance of eliminating ionized gaseous pollutants and excellent durability of the elimination performance.

Abstract: In an apparatus for forming an image on an image receiver, in order to solve at least one problem that an ink sheet may be attached to an image receiving layer in a thermal transfer recording and that the image receiving layer may be transferred to an image receiver insufficiently in an image recording using an ink-jet head, there is provided an image recording apparatus comprising: an image forming medium which extends over at least one platen and comprises an image receiving layer, an image recording section having at least one ink-jet head which faces the image receiving layer of the image forming medium on an outer periphery of one platen of said at least one platen, and an image transfer section having an image receiver and an image transfer heat medium which faces the image forming medium in its back side, wherein the image forming medium comprises a laminate of an aqueous solvent permeating layer and the image receiving layer which are laminated on and in the above listed order from a substrate for the

Abstract: The present invention provides an adsorption filter, comprising: at least one thin plate honeycomb filtering medium carrying a gas-adsorbing medium thereon; and a filter case housing the honeycomb filtering medium therein, wherein the thin plate honeycomb filtering medium is disposed in the filter case in such a manner as to make a series of V configurations with respect to a ventilation direction. Also disclosed is a method for manufacturing the adsorption filter.

Abstract: The chemical filter supporting an ion-exchange resin comprising a fiber supporting body containing ion-exchange fiber and ion-exchange resin powder which is supported on the fiber supporting body is provided. The chemical filter possesses a large ion-exchange capacity per unit volume and exhibits high initial performance of eliminating ionized gaseous pollutants and excellent durability of the elimination performance.

Abstract: A method for manufacturing a chemical filter with a corrugated honeycomb structure is disclosed. The method comprises coating or impregnating a fibrous paper containing ion-exchange fiber with a slurry mixture of an ion-exchange resin powder and an adhesive to obtain a paper supporting ion-exchange resin powder and applying the paper supporting ion-exchange resin powder to a corrugating process.

Abstract: A method for manufacturing a chemical filter with a corrugated honeycomb structure is disclosed. The method comprises coating a fiber paper with a slurry mixture of an ion-exchange resin powder and an adhesive to obtain an ion-exchange resin-coated paper with the ion-exchange resin powder attached to the surface and inside of the fiber paper, and forming a chemical filter with a corrugated honeycomb structure using the ion-exchange resin-coated paper. The average particle diameter of the ion-exchange resin powder is preferably 1-150 ?m. In addition, the ion-exchange resin powder preferably has an ion-exchange capacity of 1-10 meq/g.

Abstract: A chemical filter comprising an ion-exchange resin powder attached to the surface and inside of a fiber paper, which forms a corrugated honeycomb substrate, using an adhesive is disclosed. The average particle diameter of the ion-exchange resin powder is preferably 1-150 ?m. In addition, the ion-exchange resin powder preferably has an ion-exchange capacity of 1-10 meq/g. A method for manufacturing the chemical filter is also disclosed. The method comprises spraying or shower-coating a slurry mixture of an ion-exchange resin powder and an adhesive onto a corrugated honeycomb substrate, or dipping the corrugated honeycomb substrate in a slurry mixture.

Abstract: The solvent-free two-component adhesive composition of the present invention is prepared by a polyol component (A) and a polyisocyanate component (B), wherein the composition comprises at least one polyol component having crystallinity and selected from the group consisting of a polyester polyol, a polyether polyol, a polycarbonate polyol and a polyurethane polyol in an amount of 3 to 50% by weight relative to the total weight of the components (A) and (B). The adhesive composition has the initial viscosity of about 100 to 1,500 mPa·s (in particular, 100 to 1,000 mPa·s) at 70° C. immediately after the components (A) and (B) are mixed together, and the increasing ratio of viscosity after the composition is stood at 70° C. for 10 minutes to the initial viscosity of 120% or less. According to the present invention, a composite laminated film having the good external appearance can be produced simply and effectively.

Abstract: The solvent-free two-component adhesive composition of the present invention comprises a polyol component (A) and a polyisocyanate component (B), and the viscosity of the mixture at 80° C. immediately after the point of time the components (A) and (B) are mixed together is 900 mPa·s or higher. The component (A) may be a polyol having a number average molecular weight of 800 or larger, or a mixture thereof, and the viscosity of the component (B) at 25° C. may be 20,000 mPa·s or higher. The composition may be used for laminating metal foil of 5 to 15 m thickness with a plastic film. By using the composition of the present invention, the occurrence of blocking due to the seepage of the adhesive from metal foil is prevented. The present invention includes a process of lamination using the same.

Abstract: The solvent-free two-component adhesive composition of the present invention is prepared by a polyol component (A) and a polyisocyanate component (B), wherein the composition comprises at least one polyol component having crystallinity and selected from the group consisting of a polyester polyol, a polyether polyol, a polycarbonate polyol and a polyurethane polyol in an amount of 3 to 50% by weight relative to the total weight of the components (A) and (B). The adhesive composition has the initial viscosity of about 100 to 1,500 mPa·s (in particular, 100 to 1,000 mPa·s) at 70° C. immediately after the components (A) and (B) are mixed together, and the increasing ratio of viscosity after the composition is stood at 70° C. for 10 minutes to the initial viscosity of 120% or less. According to the present invention, a composite laminated film having the good external appearance can be produced simply and effectively.

Abstract: The solvent-free two-component adhesive composition of the present invention comprises a polyol component (A) and a polyisocyanate component (B), and the viscosity of the mixture at 80° C. immediately after the point of time the components (A) and (B) are mixed together is 900 mPa·s or higher. The component (A) may be a polyol having a number average molecular weight of 800 or larger, or a mixture thereof, and the viscosity of the component (B) at 25° C. may be 20,000 mPa·s or higher. The composition may be used for laminating metal foil of 5 to 15 m thickness with a plastic film. By using the composition of the present invention, the occurrence of blocking due to the seepage of the adhesive from metal foil is prevented. The present invention includes a process of lamination using the same.

Abstract: The medium for thermal transfer recording of the invention includes (a) a base material having a first surface and a second surface, (b) a transfer medium layer placed at the first surface side, and (c) a heat resistant lubricating layer placed at the second surface side, in which the heat resistant lubricating layer is composed of (1) a resin containing a hydroxyl group, (2) a crosslinking agent, and (3) a thermoplastic resin. The thermoplastic resin having at least one of thermal deformation temperature and glass transition temperature of 70° C. or more is preferably used. The heat resistant lubricating layer can contain an adhesive. The heat resistant lubricating layer has a crosslink structure formed by crosslinking reaction between the crosslinking agent and the resin containing a hydroxyl group.