Abstract: A laminated non-woven fabric and a manufactured article using the laminated non-woven fabric are provided. The laminated non-woven fabric is formed by clamping a fibrous layer B between two of fibrous layer A, wherein the fibrous layer B is obtained by using a fiber melting or softening at 120° C. or less, and fibrous layer A includes a fiber neither melting nor softening at 120° C. or less, in which the fibrous layer A and the fibrous layer B are integrated through point thermal compression bonding, and interlayer peeling strength between the fibrous layer A and the fibrous layer B ranges from 0.3 Newton (N)/25 millimeters (mm) to 4.0 N/25 mm.

Abstract: To provide a rugged elastic nonwoven fabric, in which a first fibrous layer containing heat-shrinkable fibers (1A) being latent crimp conjugate fibers, and a second fibrous layer containing heat-fusible heat-shrinkable fibers (2A) or non-heat-shrinkable fibers (2B) both having smaller shrinkage as compared with the fibers (1A) are laminated, and both of the fibrous layers are partially bonded and united with a number of bonded parts arranged at intervals, wherein a maximum shrinkage development temperature of the first fibrous layer is 135° C. or higher, a melting or softening point of a heat-fusible component of the fibers (2A) or (2B) is 70° C. or higher to 130° C. or lower, the second fibrous layer between the bonded parts is projected in a convex by shrinking of the first fibrous layer, and fibers constituting the first fibrous layer are not bonded with each other.

Abstract: Provided is a fiber molded body which has excellent durability against repeated compression and also has excellent flexibility and a cushioning property. The fiber molded body forms, on a surface of the fiber molded body, the ridges having a compressed and flattened shape in the thickness direction of the fiber molded body; or the fiber molded body forms a continuous curved surface with the fiber layer which forms the ridges and extends from both sides of the ridges in the thickness direction of the fiber molded body, and portions of the fiber layer of mutually adjacent ridges which form ridges and extend in the thickness direction of the fiber molded body come into close contact with each other in the thickness direction of the fiber molded body.

Abstract: A spinneret (1) for electrostatic spinning is configured from a structure of an electrically conductive metal material. The structure is provided with a long-axis direction (X), a short-axis direction (Z), and a thickness direction (Y). An inflow port (10) for a spinning starting material fluid is provided to one surface of the structure. A plurality of protrusions (5) are formed on another surface of the structure so as to be aligned along the long-axis direction (X). Each of the plurality of protrusion (5) extends so as to protrude from the structure. The protrusions (5) have, provided to apexes (2) thereof, discharge holes (4) for discharging the starting material fluid. The pitch of the discharge holes (4) exceeds 1 mm.

Abstract: The invention provides a nonwoven fabric which can improve these problems of the conventional technologies, can be produced at relatively low costs, is bulky and excellent in cushioning properties, has a good texture and is excellent in shaping ability at post-processing. Specifically, the present invention provides a bulky nonwoven fabric, comprising a fiber layer A containing a spiral crimp fiber and a fiber layer B, wherein the fiber layer B is laminated on at least one surface of the fiber layer A, the spiral crimp fiber of the fiber layer A and the fiber of the fiber layer B are partly entangled and integrated at the interface in a thickness direction of both layers, the fiber layer B exhibits a structure in which the layer is lifted up to the fiber layer B side between individual entangled parts; and having a specific volume of 30 cm3/g or more.

Abstract: The nonwoven fabric is a blended filament nonwoven fabric including a blend of two types of filaments, wherein the two types of filaments are constituted of thermoplastic resins different from each other, an average fiber diameter obtained by dividing the total value of fiber diameters of the filaments present in the nonwoven fabric by the number of the constituent filaments is 0.1 to 10 ?m, and the nonwoven fabric has a specific volume of 12 cm3/g or more; the blended filament nonwoven fabric, wherein the ratio of the number of constituent filaments having fiber diameters of 0.1 to 3 ?m is 50% or more of the filaments constituting the nonwoven fabric, and the ratio of the number of constituent filaments having fiber diameters exceeding 3 ?m is 50% or less of the filaments constituting the nonwoven fabric; or the nonwoven fabric is produced by a melt-blowing process.

Abstract: An electro-chargeable fiber includes a thermoplastic resin fiber having a nonionic fiber finish containing at least one major component selected from the group consisting of (a) at least one sorbitan fatty acid ester having formula (I) or formula (II) and (b) polyoxyalkylene alkyl ether having formula (III), wherein the nonionic fiber finish is present in an amount of 0.01-1.

Abstract: A nonwoven fabric having a surface concavo-convex structure, and a molded member and a wiping cloth that use the nonwoven fabric are provided. The nonwoven fabric having a surface concavo-convex structure is formed by pressing a planar element having a plurality of apertures against at least one surface of a nonwoven fabric that has been formed by passing hot air through a web including heat adhesive fibers so as to heat-bond interlacing points between the fibers. The pressing process is performed in a state where the nonwoven fabric retains heat in a degree that does not further promote the heat bonding. The nonwoven fabric having a surface concavo-convex structure is soft and exhibits high strength and sufficient resistance against stress.

Abstract: A processing apparatus and a processing method capable of producing a point-through-air nonwoven fabric wherein hot air is allowed to penetrate through spots of a web or a sheet-like material and fibers at the penetration site are heat-bonded. The processing apparatus for hot-air treatment nonwoven fabric, includes: a rotating running endless belt with holes, a hot-air blowing apparatus which blows out hot air from an internal side of the endless belt with holes toward an outer side thereof, and an endless belt for fiber conveyance which is arranged on a side opposite to the hot-air blowing side of the hot-air blowing apparatus across the endless belt with holes and the endless belt for fiber conveyance rotates while the hot-air passes therethrough.

Abstract: To provide a fibrous laminate having excellent secondary processability in processing into a filter or the like by laminating a fibrous layer composed of ultrafine fibers with another fibrous layer and strongly adhering and uniting each interlayer while reduction of characteristics of the ultrafine fibers is suppressed at a minimum to compensate insufficiency of mechanical strength and rigidity of a layer of ultrafine fibers. The fibrous laminate includes fibrous layer I composed of ultrafine fibers having a mean fiber diameter of 10 to 1,000 nm and fibrous layer II composed of thermo-fusible conjugate fibers having a mean fiber diameter of 5 to 100 ?m, in which contact points between the ultrafine fibers and the thermo-fusible conjugate fibers are bonded by melting of the thermo-fusible conjugate fibers composing the fibrous layer II, and the fibrous layer I and the fibrous layer II are laminated and united by the formed bonding points.

Abstract: A functional sheet is described, in which a modifier is uniformly and exactly scattered and deposited such that sites where the modifier is deposited and sites where no modifier is deposited are clearly discriminated. The functional sheet is obtained by masking a surface of a sheet containing at least one fibrous layer on the surface by a planar object having a plurality of openings, applying a solution of a modifier from a side of the planar object, and allowing the modifier to deposit onto a whole surface of the sheet exposed to the openings of the planar object, and a functional sheet in which sites where the modifier is deposited form projections and sites where no modifier is deposited form plains in a surface fibrous layer of the functional sheet.

Abstract: To provide a stretchable bulky nonwoven fabric having a high bulkiness and a good feeling; wherein a first fibrous layer including fibers (1) is laminated with a second fibrous layer including heat fusible fibers (2) and having a MD shrinkage ratio lower by 5% or more than a MD shrinkage ratio of the first fibrous layer, the first fibrous layer and the second fibrous layer are integrated by entanglement between the fibers (1) included in the first fibrous layer and fibers (2) included in the second fibrous layer, the first fibrous layer is shrunk to form a structure in which the second layer is raised in the thickness direction, and sonic bond processing is applied from a side of the second fibrous layer.

Abstract: Present invention provides an air filter material using a laminated electret nonwoven fabric subjected to electret processing in which one layer or a plurality of layers of nonwoven fabrics (referred to as nonwoven fabric B) including fibers having a mean fiber diameter in the range of 10 micrometers to 100 micrometers and being larger than a mean fiber diameter of fibers constituting nonwoven fabric A are laminated on at least one side of a nonwoven fabric (referred to as nonwoven fabric A) obtained by mixing two kinds of fibers having a mean fiber diameter in the range of 0.1 micrometer to 15 micrometers and having a different melting point (fibers having a lower melting point are defined as fibers D and fibers having a higher melting point are defined as fibers E), and a laminated electret filter material having a low pressure loss and a high collection efficiency. The filter material is suitably used for a medical mask, an industrial mask, a general purpose mask or the like.

Abstract: The nonwoven fabric is a blended filament nonwoven fabric including a blend of two types of filaments, wherein the two types of filaments are constituted of thermoplastic resins different from each other, an average fiber diameter obtained by dividing the total value of fiber diameters of the filaments present in the nonwoven fabric by the number of the constituent filaments is 0.1 to 10 ?m, and the nonwoven fabric has a specific volume of 12 cm3/g or more; the blended filament nonwoven fabric, wherein the ratio of the number of constituent filaments having fiber diameters of 0.1 to 3 ?m is 50% or more of the filaments constituting the nonwoven fabric, and the ratio of the number of constituent filaments having fiber diameters exceeding 3 ?m is 50% or less of the filaments constituting the nonwoven fabric; or the nonwoven fabric is produced by a melt-blowing process.

Abstract: A polyolefin-based antistatic fiber, wherein a polyethylene resin composition containing polyethylene resin (A) obtained using a metallocene catalyst and high molecular antistatic agent (B) forms a fiber surface, and the total amount (at 90° C. for 30 minutes) of volatile organic compounds having up to 20 carbon atoms is 10 ug/g or less. The polyolefin-based antistatic fiber may be in the form of a sheath-core type conjugate fiber in which the polyolefin resin composition forms the sheath. A nonwoven fabric formed from the polyolefin-based antistatic fiber, preferably having a defined surface resistance value, as well as a composite nonwoven fabric and formed body obtained using the nonwoven fabric are further disclosed.

Abstract: A laminated non-woven fabric and a manufactured article using the laminated non-woven fabric are provided. The laminated non-woven fabric is formed by clamping a fibrous layer B between two of fibrous layer A, wherein the fibrous layer B is obtained by using a fiber melting or softening at 120° C. or less, and fibrous layer A includes a fiber neither melting nor softening at 120° C. or less, in which the fibrous layer A and the fibrous layer B are integrated through point thermal compression bonding, and interlayer peeling strength between the fibrous layer A and the fibrous layer B ranges from 0.3 Newton (N)/25 millimeters (mm) to 4.0 N/25 mm.

Abstract: A composite material as a sheet material is described, being relatively cheap, most useful as a raw material of a sanitary product or the like, such as underwear, dust-proof mask or dispensable paper diaper, etc., and good in processability, stretchability, gas-permeability, softness, and touch. The composite material is formed by laminating a stretchable layer and a conjugate spunbonded nonwoven fabric including conjugate fibers including a low-melting-point component and a high-melting-point component. The conjugate fibers are partially bonded to each other by thermocompression, wherein each bonded portion has fine folded structures including alternate hill and valley regions in the CD, and the distance between neighboring hills is 100-400 ?m in average. The conjugate spunbonded nonwoven fabric exhibits stretchability through the spread of the fine folded structures, and has, at 5% elongation, a CD-strength of 0.1 N/5 cm or less and an MD/CD strength ratio of 200 or more.

Abstract: To provide a rugged elastic nonwoven fabric, in which a first fibrous layer containing heat-shrinkable fibers (1A) being latent crimp conjugate fibers, and a second fibrous layer containing heat-fusible heat-shrinkable fibers (2A) or non-heat-shrinkable fibers (2B) both having smaller shrinkage as compared with the fibers (1A) are laminated, and both of the fibrous layers are partially bonded and united with a number of bonded parts arranged at intervals, wherein a maximum shrinkage development temperature of the first fibrous layer is 135° C. or higher, a melting or softening point of a heat-fusible component of the fibers (2A) or (2B) is 70° C. or higher to 130° C. or lower, the second fibrous layer between the bonded parts is projected in a convex by shrinking of the first fibrous layer, and fibers constituting the first fibrous layer are not bonded with each other.

Abstract: A functional sheet is described, in which a modifier is uniformly and exactly scattered and deposited such that sites where the modifier is deposited and sites where no modifier is deposited are clearly discriminated. The functional sheet is obtained by masking a surface of a sheet containing at least one fibrous layer on the surface by a planar object having a plurality of openings, applying a solution of a modifier from a side of the planar object, and allowing the modifier to deposit onto a whole surface of the sheet exposed to the openings of the planar object, and a functional sheet in which sites where the modifier is deposited form projections and sites where no modifier is deposited form plains in a surface fibrous layer of the functional sheet.

Abstract: A nonwoven fabric having a surface concavo-convex structure, and a molded member and a wiping cloth that use the nonwoven fabric are provided. The nonwoven fabric having a surface concavo-convex structure is formed by pressing a planar element having a plurality of apertures against at least one surface of a nonwoven fabric that has been formed by passing hot air through a web including heat adhesive fibers so as to heat-bond interlacing points between the fibers. The pressing process is performed in a state where the nonwoven fabric retains heat in a degree that does not further promote the heat bonding. The nonwoven fabric having a surface concavo-convex structure is soft and exhibits high strength and sufficient resistance against stress.