Abstract: An object of the present invention is to provide a flexible cured product capable of preparing the cured product having excellent electroconductivity and adhesiveness at a lower temperature, and an electronic device thereof. The present invention relates to an electroconductive cured product, wherein the electroconductive cured product comprises a resin having a urethane bond and electroconductive particles, the electroconductive cured product has storage modulus of 50 MPa to 1000 MPa at 25° C., and the electroconductive cured product has specific resistivity of less than 2.0×10?4 ?·cm.

Abstract: An object of the present invention is to provide an electroconductive composition capable of preparing a flexible cured product having excellent electroconductivity and adhesiveness at a lower temperature, and an electronic device prepared therefrom. The present invention relates to an electroconductive composition comprising a polyol, a polyamine, a blocked isocyanate, and electroconductive particles, wherein the polyamine has an active hydrogen equivalent ratio of 80 g/eq to 200 g/eq, the polyamine has an amine value of 150 KOHmg/g to 350 KOHmg/g, and the polyamine has a viscosity of 50 mPa·s to 500 mPa·s at 25° C.

Abstract: An object of the present invention is to provide an electroconductive composition capable of preparing a flexible cured product having excellent electroconductivity and adhesiveness at a lower temperature, and an electronic device prepared therefrom. The present invention relates to an electroconductive composition comprising a polyol, a polyamine, a blocked isocyanate, and electroconductive particles, wherein the polyol is a polyester polyol, and a mixing ratio of the polyol to the polyamine is 7/3 to 2/8 as an active hydrogen equivalent ratio.

Abstract: The present invention aims to provide a resin composition which can form a cured product having a high adhesive property and a high thermal conductivity. A resin composition containing an epoxy compound (A), an amine curing agent (B) and a thermally conductive filler (C), wherein the epoxy compound (A) is in a liquid form and wherein the amine curing agent (B) contains a benzoxazole skeleton.

Abstract: An object is to provide a garment-type biological information measurement device having a biological contact-type electrode and having excellent durability against washing. A garment-type biological information measurement device comprising an electrode, wherein the electrode comprises a stretchable conductive layer containing a flexible resin and a conductive filler, a stretchable adhesion acceleration layer, a stretchable hot melt adhesive layer, and a garment fabric, in this order.

Abstract: A first object of the present invention is to provide a stretchable conductor sheet that exhibits isotropic conductivity when stretched in a predetermined direction or in a direction perpendicular to the predetermined direction, and a paste for forming a stretchable conductor sheet, which is used for the stretchable conductor sheet. A second object of the present invention is to provide a stretchable conductor sheet having a small change in specific resistance even when repeatedly twisted, and a paste for forming a stretchable conductor sheet, which is used for the stretchable conductor sheet. A third object of the present invention is to provide a stretchable conductor sheet having a small change in specific resistance even when repeatedly washed, and a paste for forming a stretchable conductor sheet, which is used for the stretchable conductor sheet.

Abstract: A stretchable conductor forming paste containing a conductive filler, a polyurethane elastomer having a glass transition temperature (Tg) of ?60° C. to ?10° C. and a urethane group concentration of 3000 to 4500 m equivalent/kg, and an organic solvent. Preferably, a total amount of components excluding the solvent is 100 parts by mass, a total of the conductive filler is 70 to 95 parts by mass, and an amount of the polyurethane elastomer is 5 to 30 parts by mass. The obtained paste is printed or coated and then dried to obtain a stretchable conductor, capable of forming a wiring line having good repeated stretchability.

Abstract: A first object of the present invention is to provide a stretchable conductor sheet that exhibits isotropic conductivity when stretched in a predetermined direction or in a direction perpendicular to the predetermined direction, and a paste for forming a stretchable conductor sheet, which is used for the stretchable conductor sheet. A second object of the present invention is to provide a stretchable conductor sheet having a small change in specific resistance even when repeatedly twisted, and a paste for forming a stretchable conductor sheet, which is used for the stretchable conductor sheet. A third object of the present invention is to provide a stretchable conductor sheet having a small change in specific resistance even when repeatedly washed, and a paste for forming a stretchable conductor sheet, which is used for the stretchable conductor sheet.

Abstract: The purpose of the present invention is to provide a garment-type electronic device capable of reducing discomfort during the wearing in the garment-type electronic device comprising an electrical wiring using stretchable conductor composition. In a part in contact with a body surface of a garment-type electronic device, a level difference at the boundary between the electrode portion where the conductor is exposed and the wiring portion covered with the insulating cover layer is substantially eliminated, whereby a garment type electronic device with a natural wearing feeling in which discomfort during wearing has been reduced is obtained. Furthermore, by providing the projections and the depressions in the fabric texture on its surface, a more natural wearing feeling is obtained. Such a garment-type electronic device can be produced by a printing transfer method.

Abstract: The purpose of the present invention is to provide a garment-type electronic device capable of reducing discomfort during the wearing in the garment-type electronic device comprising an electrical wiring using stretchable conductor composition. In a part in contact with a body surface of a garment-type electronic device, a level difference at the boundary between the electrode portion where the conductor is exposed and the wiring portion covered with the insulating cover layer is substantially eliminated, whereby a garment type electronic device with a natural wearing feeling in which discomfort during wearing has been reduced is obtained. Furthermore, by providing the projections and the depressions in the fabric texture on its surface, a more natural wearing feeling is obtained. Such a garment-type electronic device can be produced by a printing transfer method.

Abstract: The purpose of the present invention is to provide a conductive paste for forming a stretchable conductor having washing durability. The conductive paste for forming a stretchable conductor of the present invention includes conductive particles and a flexible resin, wherein the flexible resin has a water content after being immersed in water of 40° C. for 24 hours of 5% by mass or less, and wherein the flexible resin is contained in an amount of 13% by mass to 35% by mass relative to total solids content in the conductive paste for forming a stretchable conductor.

Abstract: An objective is to provide a stretchable conductor sheet which is useful as a material for electrical wiring and electrodes for garment-type electronic devices, the material having excellent durability in terms of washing and durability in terms of perspiration. A fabric provided with an electrode and an electrical wiring, which are formed from a stretchable conductor sheet, is obtained by: providing a film having releasability with a first stretchable conductor layer which is formed from a paste material that uses carbon-based particles as a conductive filler, while using a flexible resin as a binder resin; subsequently forming a second stretchable conductor layer, while using metal-based particles as a conductive filler; laminating a hot melt adhesive layer thereon; superposing the resulting laminate on a fabric after removing unnecessary parts from the laminate by means of partial slits; and subjecting the resulting fabric to hot pressing.

Abstract: Provided is a garment for measuring biological information having favorable conductivity and stretchability that prevent a wiring and a bonding part from being disconnected by stress or deformation when the garment is put on, taken off, or washed, while detecting a stable electrical signal. In a wiring with a stretchable electrode according to an embodiment of the present invention, the electrode includes an electrically conductive sheet including electrically conductive fine particles and a binder resin, and the wiring incudes an electrically conductive fiber structure including an electrically conductive fiber. A part of a bond between the electrode and the wiring has a peeling strength of 0.5 to 20 N/cm.

Abstract: The present invention provides to a wearable smart device having electrical wiring comprising a stretchable conductive composition having excellent in durability such as repeated bending properties and repeated twisting properties, a material for realizing the wearable smart device, and a method for producing the wearable start device. An electrical wiring including a fine line having an electrical line interval of 1 mm or less, preferably the line width of less than 1 mm, is formed by printing a paste for forming a stretchable conductor containing metal-based conductive particles and a non-crosslinked elastomer, and further dried and cured at a low temperature condition of 120° C. for 30 minutes. As a result, the wearable smart device having electrical wiring constituted by fine lines without sagging of the edge is obtained.

Abstract: The present invention aims to provide a resin composition which can form a cured product having a high adhesive property and a high thermal conductivity. A resin composition containing an epoxy compound (A), an amine curing agent (B) and a thermally conductive filler (C), wherein the epoxy compound (A) is in a liquid form and wherein the amine curing agent (B) contains a benzoxazole skeleton.

Abstract: The purpose of the present invention is to provide a garment-type electronic device capable of reducing discomfort during the wearing in the garment-type electronic device comprising an electrical wiring using stretchable conductor composition. In a part in contact with a body surface of a garment-type electronic device, a level difference at the boundary between the electrode portion where the conductor is exposed and the wiring portion covered with the insulating cover layer is substantially eliminated, whereby a garment type electronic device with a natural wearing feeling in which discomfort during wearing has been reduced is obtained. Furthermore, by providing the projections and the depressions in the fabric texture on its surface, a more natural wearing feeling is obtained. Such a garment-type electronic device can be produced by a printing transfer method.

Abstract: The purpose of the present invention is to provide a garment-type electronic device capable of reducing discomfort during the wearing in the garment-type electronic device comprising an electrical wiring using stretchable conductor composition. In a part in contact with a body surface of a garment-type electronic device, a level difference at the boundary between the electrode portion where the conductor is exposed and the wiring portion covered with the insulating cover layer is substantially eliminated, whereby a garment type electronic device with a natural wearing feeling in which discomfort during wearing has been reduced is obtained. Furthermore, by providing the projections and the depressions in the fabric texture on its surface, a more natural wearing feeling is obtained. Such a garment-type electronic device can be produced by a printing transfer method.

Abstract: The present invention provides a stretchable laminate sheet for a garment for measuring biological information. The stretchable laminate sheet has favorable conductivity and stretchability, and has such an enhanced adhesiveness to a substrate as to prevent peeling and disconnection of an electrode that are caused by stress and deformation when the garment is put on, taken off, and washed, while detecting a stable electrical signal. The stretchable laminate sheet of the present invention at least includes a stretchable insulating layer having adhesiveness and a stretchable conductor layer. The stretchable laminate sheet has a 90 degree peel strength between the stretchable insulating layer and the adherend layer of 1.0 N/cm or more.

Abstract: An object of the present invention is to provide a stretchable laminated sheet which is mainly used for garment for measuring biological information and which is excellent in adhesiveness to a garment, has favorable conductivity and stretchability, has moisture permeability high enough for moisture and sweat to be dissipated, and allows reduction of stuffiness, rash and discomfort. A stretchable laminated sheet of the present invention, brought into contact with skin for measuring a biological signal, comprises a stretchable insulating film layer having adhesiveness and a stretchable film layer having electrical conductivity, wherein the stretchable laminated sheet has a thickness of 10 to 800 ?m and a moisture permeability of 300 to 30,000 g/m·24h, and an adhesive strength against peeling at 90 degrees between layers is preferably 0.5 N/cm or more, and the present invention constitutes a garment for measuring biological information having such a sheet as a plurality of skin contact electrodes.

Abstract: An objective is to provide a stretchable conductor sheet which is useful as a material for electrical wiring and electrodes for garment-type electronic devices, the material having excellent durability in terms of washing and durability in terms of perspiration. A fabric provided with an electrode and an electrical wiring, which are formed from a stretchable conductor sheet, is obtained by: providing a film having releasability with a first stretchable conductor layer which is formed from a paste material that uses carbon-based particles as a conductive filler, while using a flexible resin as a binder resin; subsequently forming a second stretchable conductor layer, while using metal-based particles as a conductive filler; laminating a hot melt adhesive layer thereon; superposing the resulting laminate on a fabric after removing unnecessary parts from the laminate by means of partial slits; and subjecting the resulting fabric to hot pressing.