Abstract: Provided is a method of producing a layered article by which a sufficient production speed can be achieved, and preferably, a variation in fusion strength can be suppressed and hence a variation in product quality can be reduced. The method of producing a layered article of the present invention includes fusing at least part of a single-layer body or a laminate including at least one layer including a non-woven fabric of fiber having a fiber diameter of 100 ?m or less through ultrasonic welding.

Abstract: The stretchable porous film of the present invention includes voids in a surface thereof, in which: the stretchable porous film has an air permeability measured with an Oken-type air permeability meter of less than 99,999 sec/100 cc; the stretchable porous film has such an extending direction that an air permeability measured with the Oken-type air permeability meter in a state in which the stretchable porous film is extended by 100% becomes less than 60,000 sec/100 cc; and the stretchable porous film has such a pulling direction that when, in a hysteresis test, the stretchable porous film is pulled from a width of 20 mm and an inter-chuck distance of 30 mm to an inter-chuck distance of 60 mm at a pulling speed of 50 mm/min and held for 1 minute, and then the pulling of the inter-chuck distance is released, a residual strain becomes 10 mm or less.

Abstract: Provided is a stretchable laminate which has a sufficient holding ability in the case of being stretched to be bonded onto another material and is excellent in feeling of touch. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention is a stretchable laminate, including: an elastomer layer; and a non-woven fabric layer arranged on at least one side of the elastomer layer, the stretchable laminate including an elastic lane portion and a rigid lane portion, the rigid lane portion requiring a strength of from 1 N/20 mm to 7 N/20 mm for obtaining a 5% deformation amount.

Abstract: Provided is a stretchable film having excellent stretchability, excellent air permeability, and an excellent deodorizing property. Also provided is an article including such stretchable film. A stretchable film of the present invention is a film having stretchability, and includes a deodorant. The stretchable film of the present invention is a film having stretchability, and has a deodorization efficiency for each of ammonia and hydrogen sulfide 3 hours after the start of a deodorization test, the deodorization efficiency being measured by a detector tube method, of 10% or more.

Abstract: Provided is a stretchable film that can prevent a delivery failure when delivered from a winding body. Also provided is a stretchable laminate including such stretchable film. Still also provided is an article including such stretchable laminate. The stretchable film of the present invention includes a laminated film of a plurality of elastomer layers, wherein the stretchable film includes an elastomer layer (A1), an elastomer layer (B), and an elastomer layer (A2) in the stated order, wherein the elastomer layer (A1) and the elastomer layer (A2) are provided as outer layers, and wherein each of the elastomer layer (A1) and the elastomer layer (A2) contains a fatty acid amide.

Abstract: Provided is a stretchable laminate that achieves both a weight reduction and an extension strength, and that can be stably produced. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention includes: an elastomer layer; and an olefin-based resin layer arranged on at least one side of the elastomer layer, wherein when a longitudinal direction of the stretchable laminate is defined as an MD direction and a direction perpendicular to the longitudinal direction is defined as a CD direction, a ratio [10% extension strength in MD direction (N/30 mm)]/[basis weight (gsm)] of the stretchable laminate is 0.14 (N/30 mm·gsm) or more.

Abstract: An adhesive film for a semiconductor chip with a through electrode, which is used for stacking multiple semiconductor chips each with a through electrode on a semiconductor wafer, which can favorably connect the through electrodes while suppressing formation of voids, and which can reduce the length of burrs protruding around the semiconductor chips. An adhesive film for a semiconductor chip with a through electrode, to be used for stacking multiple semiconductor chips each with a through electrode on a semiconductor wafer, the adhesive film having a minimum melt viscosity of 50 to 2500 Pa·s and a thixotropic index at 140° C. of 8 or lower.

Abstract: Provided is a method of producing a layered article by which a sufficient production speed can be achieved, and preferably, a variation in fusion strength can be suppressed and hence a variation in product quality can be reduced. The method of producing a layered article of the present invention includes fusing at least part of a single-layer body or a laminate including at least one layer including a non-woven fabric of fiber having a fiber diameter of 100 ?m or less through ultrasonic welding.

Abstract: Provided is a layered article including at least one layer including a non-woven fabric of fiber, the layered article having sufficient flexibility and being capable of achieving a satisfactory touch feeling. Also provided is a hook-and-loop fastener including the layered article of the present invention. Also provided is a sanitary article including the layered article of the present invention. The layered article of the present invention includes at least one layer including a non-woven fabric of fiber, in which: the layered article has a fused portion; and the layered article has an index A, which is represented by the equation (1), of 0.90×10?6 m3/g or less: A=T/G (1) where T represents a thickness (unit: m) of the fused portion and G represents a basis weight (unit: g/m2).

Abstract: Provided is a stretchable film having excellent stretchability and excellent air permeability. Also provided is an article including such stretchable film. The stretchable film of the present invention includes an olefin-based resin and a filler.

Abstract: The stretchable porous film of the present invention includes voids in a surface thereof, in which: the stretchable porous film has an air permeability measured with an Oken-type air permeability meter of less than 99,999 sec/100 cc; the stretchable porous film has such an extending direction that an air permeability measured with the Oken-type air permeability meter in a state in which the stretchable porous film is extended by 100% becomes less than 60,000 sec/100 cc; and the stretchable porous film has such a pulling direction that when, in a hysteresis test, the stretchable porous film is pulled from a width of 20 mm and an inter-chuck distance of 30 mm to an inter-chuck distance of 60 mm at a pulling speed of 50 mm/min and held for 1 minute, and then the pulling of the inter-chuck distance is released, a residual strain becomes 10 mm or less.

Abstract: Provided is a stretchable laminate formed of two or more layers including an elastomer layer, the stretchable laminate having the following features: delamination hardly occurs between the elastomer layer and a layer adjacent thereto; the occurrence of a unique odor derived from an adhesive or a pressure-sensitive adhesive is suppressed; the inhibition of air permeability due to the bonding of the elastomer layer and the layer adjacent thereto can be prevented; and the laminate can be produced at lower cost than ever before. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention includes two or more layers including an elastomer layer, in which the elastomer layer and a layer adjacent thereto are directly laminated.

Abstract: Provided is a stretchable laminate that is excellent in oil resistance and is also excellent in blocking resistance. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention includes: an elastomer layer; and an olefin-based resin layer arranged on at least one side of the elastomer layer, in which when the stretchable laminate is bonded and fixed onto a glass plate in a state of being extended by 100%, and 0.5 mL of a baby oil (manufactured by Pigeon Corporation, Baby Oil Q, main component: caprylic/capric triglyceride) is dropped onto a surface of the stretchable laminate, the stretchable laminate is free of a hole 60 minutes after the dropping.

Abstract: The stretchable laminate of the present invention includes: an elastomer layer; and an olefin-based resin layer arranged on at least one side of the elastomer layer, in which: in a S-S data graph of an operation in which the stretchable laminate is extended to an extension ratio of 400% at a tension speed of 1,000 mm/min, and is then returned to an extension ratio of 0% at a tension speed of 1,000 mm/min, the stretchable laminate has an upper yield point during extension thereof from an extension ratio of 0% to an extension ratio of 100%, and has a lower yield point during extension thereof from the upper yield point to an extension ratio of 400%; and a difference between a yield stress at the upper yield point and a yield stress at the lower yield point is 0.05 N/30 mm width or more.

Abstract: Provided is a stretchable laminate that is excellent in low glossiness and is also excellent in blocking resistance. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention includes: an elastomer layer; and an olefin-based resin layer arranged on at least one side of the elastomer layer, in which the stretchable laminate has a 60° gloss value of 10 or less.

Abstract: Provided is a hook-and-loop fastener female member including an engaging layer adopting a non-woven fabric, the hook-and-loop fastener female member being excellent in engaging force with a hook-and-loop fastener male member. The hook-and-loop fastener female member of the present invention includes an engaging layer engageable with a male member, in which the engaging layer includes a non-woven fabric of fiber, in which the non-woven fabric in the engaging layer has a density of from 5 kg/m3 to 110 kg/m3, and in which the fiber has a diameter of from 15 ?m to 60 ?m.

Abstract: The present invention aims to provide an adhesive film for a semiconductor chip with a through electrode, which is used for stacking multiple semiconductor chips each with a through electrode on a semiconductor wafer, which can favorably connect the through electrodes while suppressing formation of voids, and which can reduce the length of burrs protruding around the semiconductor chips. The present invention relates to an adhesive film for a semiconductor chip with a through electrode, to be used for stacking multiple semiconductor chips each with a through electrode on a semiconductor wafer, the adhesive film having a minimum melt viscosity of 50 to 2500 Pa·s and a thixotropic index at 140° C. of 8 or lower.

Abstract: Provided is a stretchable laminate which has a sufficient holding ability in the case of being stretched to be bonded onto another material and is excellent in feeling of touch. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention is a stretchable laminate, including: an elastomer layer; and a non-woven fabric layer arranged on at least one side of the elastomer layer, the stretchable laminate including an elastic lane portion and a rigid lane portion, the rigid lane portion requiring a strength of from 1 N/20 mm to 7 N/20 mm for obtaining a 5% deformation amount.

Abstract: It is an object of the present invention to provide an adhesive for electronic components that prevents warpage of electronic components and reflow cracks even in the case of bonding thin electronic components. The present invention relates to an adhesive for electronic components, comprising: an epoxy compound having an aliphatic polyether backbone and a glycidyl ether group; an epoxy group-containing acrylic polymer; an episulfide compound; and a curing agent, wherein the amount of the episulfide compound is 1 parts by weight or more, and less than 30 parts by weight relative to 100 parts by weight of the epoxy compound having an aliphatic polyether backbone and a glycidyl ether group.