Abstract:
PROBLEM TO BE SOLVED: To provide a method of producing nanofibers capable of efficiently producing a water-insoluble nanofiber using a water-insoluble resin emulsion by an electrospinning method.SOLUTION: A method of producing water-insoluble nanofiber of this invention comprises mixing an emulsion of water-insoluble resin with a fiber formation assisting material comprising a water-soluble resin so as to produce a water-insoluble nanofiber using the mixed liquid as a spinning liquid by electrospinning. The water-insoluble resin has a minimum film-forming temperature (MFT) equal to or less than the thermal decomposition temperature of the fiber formation assisting material.
Abstract:
PROBLEM TO BE SOLVED: To provide a method of manufacturing a deodorizing sheet which further improves a deodorizing effect by the action of a hydroxyamine compound and long retains the deodorizing effect. SOLUTION: The method of manufacturing the deodorizing sheet gives an aqueous liquid containing a specific hydroxyamine compound, a surfactant and an organic solvent which can be mixed with water to an activated carbon carrying sheet made by making a textile material bear a porous medium, and making the porous medium carry the hydroxyamine compound and the surfactant. The organic solvent has polarity and has a boiling point of less than 100°C under atmospheric pressure and is volatile. The aqueous liquid contains the organic solvent accounting for 10 to 50 wt.%. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an exothermic sheet which can sustain a high exothermic temperature for a long time and is excellent in heating performance. SOLUTION: In the exothermic sheet 1, wherein, in at least one surface of an exothermic layer 21 including electrolytes which is oxidizable metals, fibers, activated carbons and oxidizing auxiliaries, a sheetlike exothermic element 2 having layered activated carbons with an average particle diameter smaller than that of the activated carbons is housed in a chassis 3 with moisture permeability. Preferably an average particle diameter Rc of the activated carbons in the exothermic layer 21 is 1-500 μm. Preferably, an average particle diameter Rs of the layered activated carbons is 0.1-100 μm, and a ratio of them Rs/Rc is 0.01-0.7. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a steam generator whose heating performance and steam generation performance have been improved. SOLUTION: The steam generating body 1 stores a heating element 11 in a storing body 12 having a first ventilating surface 13 and a second ventilating surface 14, provides steam generated by using heat generated by the oxidation reaction of the heating element 11 to an object through the first ventilating surface 13. The degree of ventilation of the second ventilating surface 14 is 5 to 10,000 seconds/100 ml×6.42 cm 2 , and the degree of ventilation of the second ventilating surface is greater than the degree of ventilation of the first ventilating surface. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an intermediate molded body for heating molded body, capable of easily controlling the quantity of electrolyte to be included in a heating molded body and the water content rate of the heating molded body, suppressing oxidation of an oxidizing metal in the process of manufacture as much as possible and providing a heating molded body having satisfactory heating characteristic. SOLUTION: This intermediate molded body for heating molded body comprises at least an oxidizing metal powder, a water retaining agent, a fibrous matter and water, but contains no electrolyte that is an oxidation assistant. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a heat generating sheet which is capable of generating heat immediately after its use is started and which is not displaced from another sheet when a plurality of sheets are piled up and used. SOLUTION: The heat generating sheet is composed by forming many recessed and projected parts 3 and 4 by emboss work on the surface of a sheet-like formed body 2 which contains an oxidizable metal, a water holding agent and a fibrous material and the breaking length of which is 100 to 4000 m. It is preferable that the height difference of the recessed and projected parts is 0.3 to 5 mm. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a paper molded article having high deformation resistance and impact resistance. SOLUTION: This paper molded form consists mainly of pulp fiber and is characterized by having a zero spun strength of 30-70 N.m/g.
Abstract:
PROBLEM TO BE SOLVED: To obtain a pulp molded article having various kinds of patterns and excellent beauty of appearance. SOLUTION: A pulp slurry comprising a solid component having a surface decorating effect and containing pulp fibers is used as a papermaking raw material to give the pulp molded article having an irregular pattern developed on the surface by the solid component having the surface decorating effect.
Abstract:
PROBLEM TO BE SOLVED: To provide an oxidizable sheet capable of obtaining uniform characteristics without uneven distribution of components contained in an oxidizable sheet material, enhancing the efficiency in the oxidation reaction, and retaining the sufficient flexibility after the oxidization reaction is finished.SOLUTION: The oxidizable sheet includes electrolyte as an oxidization auxiliary agent in an intermediate sheet of the oxidizable sheet 2. In the intermediate sheet, the oxidizable sheet material 21 including oxidizable metal and fibrous substance but without including electrolyte as the oxidization auxiliary agent and a base material sheet 22 are joined to each other and integrated with each other. The oxidizable sheet material 21 is divided into a plurality of segments, and the base material sheet 22 is preferably made of a fiber sheet.
Abstract:
PROBLEM TO BE SOLVED: To provide a nanofiber sheet which has a nanofiber layer having a uniform distribution of nanofibers.SOLUTION: A nanofiber sheet of this invention comprises a substrate layer and a nanofiber layer which is laminated on the substrate layer and includes nanofibers. The substrate layer has air permeability and has an initial electrification voltage of 0.3 kV or less measured by the half-life measuring method according to JIS L1094. Preferably a large number of openings are formed in the substrate layer, and a mesh sheet is preferable for the substrate layer.