Abstract: A spongelike structure or a powder having fibers three-dimensionally arranged therein with high dispersibility, whose apparent density can be designed depending on the purpose or utility, as well as a process producing it. A fiber dispersion in which fibers having a number mean diameter in a predetermined range are dispersed in a dispersion medium, and this fiber dispersion is dried to remove the dispersion medium, thereby, a spongelike structure and a powder are produced.

Abstract: A spongelike structure or a powder having fibers three-dimensionally arranged therein with high dispersibility, whose apparent density can be designed depending on the purpose or utility, as well as a process producing it. A fiber dispersion in which fibers having a number mean diameter in a predetermined range are dispersed in a dispersion medium, and this fiber dispersion is dried to remove the dispersion medium, thereby, a spongelike structure and a powder are produced.

Abstract: A dry-type cleaning chassis includes an internal space in which cleaning media are flown, an opening part configured to be in contact with a cleaning object, an air inlet duct configured to introduce external air into the internal space, a suction port that vacuums the air introduced into the internal space from the air inlet duct and causes a circulating air flow to be generated in the internal space, a flow path limiting member that regulates a circulating axis of the circulating air flow within the internal space, a cleaning media discharge outlet that is in communication with an exterior of a circulating flow path of the circulating air flow and is configured to discharge the cleaning media from the circulating flow path to the exterior, and a cleaning media guide member that guides the cleaning media to the cleaning media discharge outlet.

Abstract: This invention provides compound solutions, emulsions and gels excellent in homogeneous dispersibility and long-term dispersion stability and also excellent in the properties as cosmetics, using disarranged nanofibers not limited in either form or polymer, widely applicable and small in the irregularity of single fiber diameter. This invention also provides a method for producing them. Furthermore, this invention provides synthetic papers composed of fibers, small in pore area and uniform in pore size, using disarranged nanofibers, and also provides a method for producing them. This invention provides compound solutions, emulsions, gels and synthetic papers containing disarranged nanofibers of 1 to 500 nm in number average diameter and 60% or more in the sum Pa of single fiber ratios.

Abstract: A peeling member to be used in an image remover configured to peel off and remove an image by thermal transfer from a recording material on which the image is formed of a thermoplastic image forming substance is disclosed that includes a base body; a rubber elasticity layer provided on the base body, the rubber elasticity layer being formed of a material having rubber elasticity; an organic polymer compound layer provided on the rubber elasticity layer, the organic polymer compound layer presenting no plasticity at a heating temperature for peeling off and removing the image on the recording material by the thermal transfer and having a Young fs modulus of 400 MPa to 6000 MPa at normal temperature; and a thermoplastic composition layer formed on the surface of the organic polymer compound layer so as to serve as an outermost surface layer presenting adhesion to the thermoplastic image forming substance.

Abstract: An image removing method including heating a recording material having thereon an image to a temperature so that the image has a plasticity; pressure-contacting an uppermost stream peeling member with the recording material while the image maintains a plasticity; separating the uppermost stream peeling member from the recording material to transfer at least a portion of the image to the uppermost stream peeling member; and repeating the heating, pressure-contacting and separating steps at least one more time using at least one downstream peeling member, wherein the uppermost stream peeling member has a first outermost layer which does not have a plasticity when being pressure-contacted with the recording material, and at least one of the at least one downstream peeling member has a second outermost layer which has a plasticity when being pressure-contacted with the recording material.

Abstract: A disclosed image removing device includes a roller peeling member onto which a recording material with the image forming substance having thermoplastic properties is superposed; a heating unit configured to heat the image forming substance; a pressurizing unit configured to apply pressure to the roller peeling member and the recording material superposed thereon to cause the image forming substance heated by the heating unit to adhere to the roller peeling member; a separating unit configured to separate the recording material from the roller peeling member after the image forming substance has adhered to the roller peeling member; and a removing unit configured to remove, from the roller peeling member, the image forming substance that has been transferred from the recording material to the roller peeling member. The removing unit is driven in such a manner that the removing unit and the roller peeling member pressurize/contact/slide against each other.

Abstract: A method for reusing a recording medium forms an image on the recording medium by use of an image forming material, and removes the image forming material from the recording medium through thermal transfer by use of a peeling member. The recording medium is paper produced by applying a treatment liquid at a size pressing after paper making and then drying the treatment liquid. The treatment liquid includes a water-soluble or water-dispersible polymer having an alkyl group with carbon atoms at its side chain as an image-repellant substance. The image forming material includes a thermoplastic resin, and the adhesive strength between the peeling member and the image forming material is higher than the adhesive strength between the recording medium and the image forming material.

Abstract: A disclosed image formation apparatus includes: a manual paper feed unit supplying a recording material; an image formation unit receiving the recording material from the manual paper feed unit; an image removal device removing an image recorded on the recording material; an installation unit detachably installing the image removal device on the image formation apparatus; and a switching unit switching whether the recording material fed from the manual paper feed unit is supplied to the image removal device installed using the installation unit or to the image formation unit.

Abstract: Disclosed is an electrophotographic recording medium that contains a support and an olefin-maleic anhydride copolymer, wherein the olefin-maleic anhydride copolymer exists at least near the surface of the electrophotographic recording medium on which an image is recorded, and the electrophotographic recording medium is reusable; and a method for producing an electrophotographic recording medium, an image forming method, a method for repeatedly using an electrophotographic recording medium, and a method for repeatedly using an electrophotographic recording medium.

Abstract: An image removing method including heating a recording material having thereon an image to a temperature so that the image has a plasticity; pressure-contacting an uppermost stream peeling member with the recording material while the image maintains a plasticity; separating the uppermost stream peeling member from the recording material to transfer at least a portion of the image to the uppermost stream peeling member; and repeating the heating, pressure-contacting and separating steps at least one more time using at least one downstream peeling member, wherein the uppermost stream peeling member has a first outermost layer which does not have a plasticity when being pressure-contacted with the recording material, and at least one of the at least one downstream peeling member has a second outermost layer which has a plasticity when being pressure-contacted with the recording material.

Abstract: An image removing method including heating a recording material having thereon an image to a temperature so that the image has a plasticity; pressure-contacting an uppermost stream peeling member with the recording material while the image maintains a plasticity; separating the uppermost stream peeling member from the recording material to transfer at least a portion of the image to the uppermost stream peeling member; and repeating the heating, pressure-contacting and separating steps at least one more time using at least one downstream peeling member, wherein the uppermost stream peeling member has a first outermost layer which does not have a plasticity when being pressure-contacted with the recording material, and at least one of the at least one downstream peeling member has a second outermost layer which has a plasticity when being pressure-contacted with the recording material.

Abstract: A peeling member to be used in an image remover configured to peel off and remove an image by thermal transfer from a recording material on which the image is formed of a thermoplastic image forming substance is disclosed that includes a base body; a rubber elasticity layer provided on the base body, the rubber elasticity layer being formed of a material having rubber elasticity; an organic polymer compound layer provided on the rubber elasticity layer, the organic polymer compound layer presenting no plasticity at a heating temperature for peeling off and removing the image on the recording material by the thermal transfer and having a Young fs modulus of 400 MPa to 6000 MPa at normal temperature; and a thermoplastic composition layer formed on the surface of the organic polymer compound layer so as to serve as an outermost surface layer presenting adhesion to the thermoplastic image forming substance.

Abstract: A fiber structure including: (A) a single fiber having a fiber diameter of 3 ?m or more and/or a fiber bundle having a fiber bundle diameter of 3 ?m or more, and (B) a single fiber having a fiber diameter of 1 ?m or less, wherein the component (A) has a number average fiber diameter and/or a number average fiber bundle diameter of 4 ?m or more, at least a part of the component (B) is dispersed in the component (A) in a monofilamentous state in the cross-section taken in the thickness-wise direction of the fiber structure, at least a part of the component (B) dispersed in the monofilamentous state is bent and/or tangled to form a void space, and at least one surface of the fiber structure is covered with the component (B).

Abstract: A disclosed image formation apparatus includes: a manual paper feed unit supplying a recording material; an image formation unit receiving the recording material from the manual paper feed unit; an image removal device removing an image recorded on the recording material; an installation unit detachably installing the image removal device on the image formation apparatus; and a switching unit switching whether the recording material fed from the manual paper feed unit is supplied to the image removal device installed using the installation unit or to the image formation unit.

Abstract: A disclosed image removing device includes a roller peeling member onto which a recording material with the image forming substance having thermoplastic properties is superposed; a heating unit configured to heat the image forming substance; a pressurizing unit configured to apply pressure to the roller peeling member and the recording material superposed thereon to cause the image forming substance heated by the heating unit to adhere to the roller peeling member; a separating unit configured to separate the recording material from the roller peeling member after the image forming substance has adhered to the roller peeling member; and a removing unit configured to remove, from the roller peeling member, the image forming substance that has been transferred from the recording material to the roller peeling member. The removing unit is driven in such a manner that the removing unit and the roller peeling member pressurize/contact/slide against each other.

Abstract: An object of the present invention is to provide a spongelike structure or a powder having fibers three-dimensionally arranged therein with high dispersibility, whose apparent density can be designed depending on the purpose or utility, as well as a process producing them. A fiber dispersion in which fibers having a number mean diameter in a predetermined range are dispersed in a dispersion medium, and this fiber dispersion is dried to remove the dispersion medium, thereby, a spongelike structure and a powder are produced.

Abstract: A method for reusing a recording medium forms an image on the recording medium by use of an image forming material, and removes the image forming material from the recording medium through thermal transfer by use of a peeling member. The recording medium is paper produced by applying a treatment liquid at a size pressing after paper making and then drying the treatment liquid. The treatment liquid includes a water-soluble or water-dispersible polymer having an alkyl group with carbon atoms at its side chain as an image-repellant substance. The image forming material includes a thermoplastic resin, and the adhesive strength between the peeling member and the image forming material is higher than the adhesive strength between the recording medium and the image forming material.

Abstract: An ink for ink jet recording which is used for an ink jet printer in which at least a portion of a member being in contact with the ink is formed by any one of a borosilicate glass, a soda lime glass, a photosensitive glass, single crystal silicon, polysilicon, a silicon oxide film, a titanium nitride film, a zirconium film, a titanium oxide film, and a silicon nitride film, wherein a corrosion inhibitor is contained, and a phosphonium ion represented by the general formula (Formula 1) described below is contained: (wherein in Formula 1, Ra, Rb, Rc and Rd represent a linear, branched, or cyclic alkyl group having 1 to 4 carbon atoms, a hydroxyalkyl group, a halogenated alkyl group and a substituted or non substituted phenyl group, and X? represents a counter ion) is provided.

Abstract: An ink for ink jet recording which is used for an ink jet printer in which at least a portion of a member being in contact with the ink is formed by any one of a borosilicate glass, a soda lime glass, a photosensitive glass, single crystal silicon, polysilicon, a silicon oxide film, a titanium nitride film, a zirconium film, a titanium oxide film, and a silicon nitride film, wherein a corrosion inhibitor is contained, and a phosphonium ion represented by the general formula (Formula 1) described below is contained: (wherein in Formula 1, Ra, Rb, Rc and Rd represent a linear, branched, or cyclic alkyl group having 1 to 4 carbon atoms, a hydroxyalkyl group, a halogenated alkyl group and a substituted or non substituted phenyl group, and X? represents a counter ion) is provided.