Abstract: Provided is a technique that makes it possible to cause a secondary battery to display excellent output characteristics and other characteristics. Secondary battery production is performed using a conductive material dispersion liquid that contains a conductive material, a dispersant, and a solvent. The conductive material is one or more carbon nanotubes having a specific surface area of not less than 800 m2/g and not more than 1,300 m2/g and having a volume-average particle diameter (D90) of 50 ?m or less in the conductive material dispersion liquid. The dispersant is a hydrogenated acrylonitrile-butadiene copolymer having a weight-average molecular weight of 200,000 or less.

Abstract: Provided is a drumstick being excellent in durability and enabling a drum performer to achieve a more sensitive performance with vibration transmitted to the drumstick. A drumstick includes: a first rod-like portion, which is made of a synthetic resin, and includes a tip and a shoulder; and a second rod-like portion, which is coupled to the first rod-like portion, and includes a grip, wherein the first rod-like portion has a cavity defined therein so as to extend along an axial direction and over an entire length of the first rod-like portion, and wherein the cavity is open to an outside at an opening portion formed at a distal end of the tip.

Abstract: Provided is a composition for a non-aqueous secondary battery porous membrane capable of forming a porous membrane having excellent peel strength and capable of providing a non-aqueous secondary battery having excellent output characteristics. The composition for a non-aqueous secondary battery porous membrane contains inorganic particles, a binder, a surfactant, and water. The binder includes a polymer including an aromatic vinyl monomer unit. Fractional content of the surfactant is not less than 0.25 parts by mass and not more than 5 parts by mass per 100 parts by mass of the inorganic particles.

Abstract: A binder composition contains a water-soluble polymer and water. The water-soluble polymer includes a nitrile group-containing monomer unit and an ethylenically unsaturated carboxylic acid monomer unit, and has a weight-average molecular weight of not less than 1,000 and not more than 50,000.

Abstract: Provided is a drumstick being excellent in durability and enabling a drum performer to achieve a more sensitive performance with vibration transmitted to the drumstick. A drumstick includes: a first rod-like portion, which is made of a synthetic resin, and includes a tip and a shoulder; and a second rod-like portion, which is coupled to the first rod-like portion, and includes a grip, wherein the first rod-like portion has a cavity defined therein so as to extend along an axial direction and over an entire length of the first rod-like portion, and wherein the cavity is open to an outside at an opening portion formed at a distal end of the tip.

Abstract: A binder composition for a non-aqueous secondary battery electrode contains a polymer A. The polymer A includes a nitrile group-containing monomer unit in a proportion of not less than 80.0 mass % and not more than 99.9 mass %, has a weight-average molecular weight (Mw) of not less than 700,000 and not more than 2,000,000, and includes components having a molecular weight of less than 500,000 in a proportion of less than 30%.

Abstract: A binder composition for a non-aqueous secondary battery electrode contains a polymer A. The polymer A includes a nitrile group-containing monomer unit in a proportion of not less than 80.0 mass % and not more than 99.9 mass %, has a weight-average molecular weight (Mw) of not less than 700,000 and not more than 2,000,000, and has a molecular weight distribution (Mw/Mn) of less than 3.0.

Abstract: Provided is a binder composition for a non-aqueous secondary battery functional layer that enables production of a composition for a non-aqueous secondary battery functional layer that has excellent stability and can cause a non-aqueous secondary battery to display excellent cycle characteristics. The binder composition contains a water-soluble polymer and water. The water-soluble polymer has a contact angle with water of at least 40° and not more than 80° and has a degree of swelling in electrolyte solution of more than a factor of 1.0 and not more than a factor of 3.0.

Abstract: A composition for a non-aqueous secondary battery functional layer contains organic particles having a specific chemical composition and properties, and a binder. The organic particles contained in the composition for a functional layer include an aromatic monovinyl monomer unit in a proportion of at least 20 mass % and not more than 70 mass % and a (meth)acrylic acid alkyl ester monomer unit in a proportion of at least 30 mass % and not more than 70 mass %. The organic particles have a degree of swelling in electrolyte solution of more than a factor of 1.0 and not more than a factor of 4.0, a volume-average particle diameter of at least 0.4 ?m and not more than 1.0 ?m, and a tetrahydrofuran-insoluble content of at least 20 mass % and not more than 70 mass %.

Abstract: A binder composition contains a water-soluble polymer and water. The water-soluble polymer includes a nitrile group-containing monomer unit and an ethylenically unsaturated carboxylic acid monomer unit, and has a weight-average molecular weight of not less than 1,000 and not more than 50,000.

Abstract: Provided is a composition for a non-aqueous secondary battery porous membrane capable of forming a porous membrane having excellent peel strength and capable of providing a non-aqueous secondary battery having excellent output characteristics. The composition for a non-aqueous secondary battery porous membrane contains inorganic particles, a binder, a surfactant, and water. The binder includes a polymer including an aromatic vinyl monomer unit. Fractional content of the surfactant is not less than 0.25 parts by mass and not more than 5 parts by mass per 100 parts by mass of the inorganic particles.

Abstract: Provided is a composition for a non-aqueous secondary battery functional layer that has excellent redispersibility of non-conductive particles and enables formation of a functional layer for a non-aqueous secondary battery having excellent flexibility. Also provided are a functional layer for a non-aqueous secondary battery formed using this composition for a non-aqueous secondary battery functional layer and a non-aqueous secondary battery including this functional layer for a non-aqueous secondary battery. The composition for a non-aqueous secondary battery functional layer contains non-conductive particles, a water-soluble polymer that includes a (meth)acrylamide monomer unit in a proportion of 40 mass % or more and has a weight average molecular weight of less than 3.0×105, and a particulate polymer.

Abstract: A composition for a non-aqueous secondary battery functional layer contains organic particles having a specific chemical composition and properties, and a binder. The organic particles contained in the composition for a functional layer include an aromatic monovinyl monomer unit in a proportion of at least 20 mass % and not more than 70 mass % and a (meth)acrylic acid alkyl ester monomer unit in a proportion of at least 30 mass % and not more than 70 mass %. The organic particles have a degree of swelling in electrolyte solution of more than a factor of 1.0 and not more than a factor of 4.0, a volume-average particle diameter of at least 0.4 ?m and not more than 1.0 ?m, and a tetrahydrofuran-insoluble content of at least 20 mass % and not more than 70 mass %.

Abstract: Provided is a binder composition for a non-aqueous secondary battery functional layer that enables production of a composition for a non-aqueous secondary battery functional layer that has excellent stability and can cause a non-aqueous secondary battery to display excellent cycle characteristics. The binder composition contains a water-soluble polymer and water. The water-soluble polymer has a contact angle with water of at least 40° and not more than 80° and has a degree of swelling in electrolyte solution of more than a factor of 1.0 and not more than a factor of 3.0.

Abstract: Provided is a composition for a non-aqueous secondary battery functional layer that has excellent redispersibility of non-conductive particles and enables formation of a functional layer for a non-aqueous secondary battery having excellent flexibility. Also provided are a functional layer for a non-aqueous secondary battery formed using this composition for a non-aqueous secondary battery functional layer and a non-aqueous secondary battery including this functional layer for a non-aqueous secondary battery. The composition for a non-aqueous secondary battery functional layer contains non-conductive particles, a water-soluble polymer that includes a (meth)acrylamide monomer unit in a proportion of 40 mass % or more and has a weight average molecular weight of less than 3.0×105, and a particulate polymer.

Abstract: A slurry composition for a negative electrode of a lithium ion secondary battery, the slurry composition including 100 parts by weight of an active material (A) containing 8% by weight or higher of a non-carbon negative electrode active material, 0.5 to 10 parts by weight of a water-soluble polymer (B) containing a carboxy group, 0.01 to 0.5 parts by weight of a particulate polymer (C), and water; a negative electrode for a lithium ion secondary battery including a negative electrode material layer obtained therefrom; and a lithium ion secondary battery having the same.

Abstract: An entertainment device includes a general-purpose signal processor made up of an assembly of component-processors, each of which can operate in parallel under operating environments independent of others component-processors. A management processor controls a cross bar so as to change the operating environments of the respective component-processors in accordance with a demand for signal processing which is given from a CPU, and to change over any one of the component-processors which receives a signal to be processed which is inputted through the cross bar or outputs a processed signal in accordance with the demand for signal processing.

Abstract: There is provided a stroller which has armrests that are attachable and detachable to and from a stroller body, and which is capable of attaching a child seat to the stroller body without using particular attachments. The stroller includes: a pair of front legs; a pair of handles pivotably mounted to the pair of front legs; a pair of rear legs pivotably mounted to the pair of handles; and an X-shaped hinge, coupled to the pair of front legs and the pair of rear legs, for converting the pair of front legs and the pair of rear legs from an unfolded state to a folded state, wherein a pair of armrests is provided, each between each handle and the front leg corresponding to the handle, such that each armrest is attachable and detachable to and from the handle and the front leg.

Abstract: There is provided a stroller which has armrests that are attachable and detachable to and from a stroller body, and which is capable of attaching a child seat to the stroller body without using particular attachments. The stroller includes: a pair of front legs; a pair of handles pivotably mounted to the pair of front legs; a pair of rear legs pivotably mounted to the pair of handles; and an X-shaped hinge, coupled to the pair of front legs and the pair of rear legs, for converting the pair of front legs and the pair of rear legs from an unfolded state to a folded state, wherein a pair of armrests is provided, each between each handle and the front leg corresponding to the handle, such that each armrest is attachable and detachable to and from the handle and the front leg.

Abstract: A lightweight stroller 10 is provided. The stroller 10 includes front legs 12, rear legs 14, a seat support frame 70 connected to the front legs 12, a backrest support frame 34 connected to the seat support frame 70, a headrest plate 52 connected to an upper part of the backrest support frame, and a pair of side plates 50 disposed on the opposite sides, respectively, of the backrest support frame 34. A base sheet can be stably hold by the backrest support frame 34, the headrest plate 52 and the side plates 50 without increasing the length of connecting rods.