Abstract: A resin molded body includes: resin; and a conductive member having a coil shape with a center axis; with a flat surface in at least part of the resin molded body, in which an average angle between the flat surface and the center axis is 50° or greater.

Abstract: A cellulose acetate composition according to the present disclosure includes cellulose acetate, a plasticizer, and a polymer having a constituent unit derived from a (meth)acrylate. The weight average molecular weight of the (meth)acrylate-typed polymer is greater than or equal to 500 and less than 5000. The content of the (meth)acrylate-typed polymer in the composition is less than 2 parts by mass per 100 parts by mass of the cellulose acetate. A molded article is formed from the cellulose acetate composition.

Abstract: The present invention provides a fluorescent diamond containing an MV center emitting fluorescence at a concentration of 1×1014/cm3 or higher, where M represents a metal or metalloid, and V represents a vacancy.

Abstract: Provided is an isolation and purification method for isolating and purifying extracellular vesicles. In the method for isolating and purifying extracellular vesicles from a solution containing the extracellular vesicles and unnecessary substances. The isolation and purification method is an adsorbent treatment method in which a solution containing the extracellular vesicles and unnecessary substances is brought into contact with an adsorbent to cause the adsorbent to adsorb and retain the unnecessary substances other than the extracellular vesicles. The adsorbent is a porous granular material having a pore, an interior of the pore being positively charged, and the adsorbent can adsorb and retain, in the interior of the pore, negatively charged unnecessary substances other than the extracellular vesicles.

Abstract: A gas generator includes a housing and an igniter assembly defining, together with the housing, an accommodating space in which a gas source is stored. The igniter assembly includes an igniter, a collar member, a resin member integrally joining the igniter and the collar member, and a cover member made of metal, surrounding an ignition portion and the resin member in a manner that the igniter and the resin member are sealed with respect to the accommodating space, and configured to be ruptured when the igniter is actuated. The cover member is welded to the collar member over an entire circumference while straddling a boundary line between the resin member and the collar member.

Abstract: A gas generator includes: a housing; an ignition unit disposed in the housing; a gas generating agent that is accommodated in a combustion chamber in the housing and that generates a combustion gas upon operation of the ignition unit; a discharge port provided in the housing and configured to discharge the combustion gas generated in the housing to an outside; and a filter disposed between the discharge port and the gas generating agent. The filter extends in an axial direction, at least an outer peripheral portion on one end surface of the filter in the axial direction is connected to an inner wall surface of the housing to surround the discharge port, a portion that is at least a part of an outer peripheral surface of the filter around an axis and extends over the entire circumference is an inflow portion of the combustion gas, and the inflow portion is disposed to be in communication with the combustion chamber.

Abstract: Biodegradable spherical particles contain a biodegradable polymer as a main component. The biodegradable spherical particles have a particle size variation coefficient CV of 40% or less, and a biodegradation degree on the fifth day in a biodegradability test in accordance with OECD TG301F of 40% or less. A cosmetic composition contains the biodegradable spherical particles. A method for producing the biodegradable spherical particles includes preparing a mixture by mixing a biodegradable polymer, a plasticizer, and a water-soluble polymer; melt-kneading the mixture at 200° C. or higher and 280° C. or lower to yield a kneaded product; and removing the water-soluble polymer from the kneaded product.

Abstract: A gas generator includes: an ignition device including an igniter, an igniter holding portion having a tubular shape and being configured to hold the igniter and a fixing portion made of resin and being configured to fix the igniter to the igniter holding portion; and a case having a bottomed tubular shape and being configured to accommodate a gas generating agent which combusts by actuation of the ignition device, the case being made of resin and including a side wall portion with a base end side being connected to the fixing portion, and a closing end portion configured to close a tip end side. The case includes an inclined surface extending obliquely with respect to an axial direction of the case on the tip end side, and a fragile part formed at an edge portion excluding at least a base end portion of the inclined surface.

Abstract: A gas generator includes a housing, one or more first discharge ports provided in the housing and configured to discharge the combustion gas, one or more second discharge ports provided in the housing configured to discharge the combustion gas, and a closing member covering at least one of the one or more first discharge ports and at least one of the one or more second discharge ports together. The closing member includes a portion covering the at least one first discharge port and configured to rupture at a first rupture pressure and a portion covering the at least one second discharge port and configured to rupture at a second rupture pressure, and the closing member includes a breakage assisting portion configured to reduce a strength of the closing member at at least a boundary portion between the at least one first discharge port and the at least one second discharge port.

Abstract: The cellulose acetate resin composition may include: a cellulose acetate having a total degree of acetyl substitution of 1.9 or greater and 2.6 or less; and a plasticizer. The cellulose acetate may have a number average molecular weight of 45000 or greater and a weight average molecular weight of 70000 or greater. The plasticizer may be selected from (1) an ether-based plasticizer in which at least one terminal hydroxyl group of a polyalkylene glycol is etherified, and (2) an ester-based plasticizer in which at least one terminal hydroxyl group of a polyalkylene glycol is esterified. The polyalkylene glycol in the ether-based plasticizer (1) and the ester-based plasticizer (2) may have a degree of polymerization of 3 or greater and less than 10. The plasticizer may not include an aromatic ring in the terminal group.

Abstract: To provide a cellulose derivative having excellent affinity for various oil agents and a composition containing the cellulose derivative. A composition containing: a cellulose derivative and an oil agent, the cellulose derivative containing a monovalent organic group (La) that substitutes for at least some of hydrogen atoms constituting hydroxy groups in cellulose, the monovalent organic group (La) containing a hydrocarbon group having 6 or more carbons at a terminal, the monovalent organic group (La) containing no ether bond, and an average degree of substitution of the monovalent organic group (La) being 1.1 or greater. The oil agent is preferably at least one selected from the group consisting of a hydrocarbon oil, an ester oil, and a silicone oil.

Abstract: The occupant protection device comprising: a base portion fixed to a ceiling portion of the vehicle; an operation portion connected to the base portion via a hinge and configured to move back and forth between a first position serving as an initial position and a second position used to suppress movement of the occupant when inertial force acts on the occupant, the operation portion configured to align with the ceiling portion at the first position; and a control unit. The operation portion is movable repeatedly from the first position to the second position through the movement control by returning to the first position after having moved from the first position to the second position. The occupant protection device further includes a buffering means configured to buffer a collision impact on the occupant against the operation portion when the operation portion moves to the second position.

Abstract: A gas generator comprising, a first ignition device, a first inner tube member including therein the first ignition device and a surrounding wall portion provided with one or a plurality of communication holes, the surrounding wall portion including, in a circumferential direction thereof, a combustion product discharge region and a combustion product non-discharge region, and a housing including a peripheral wall portion and defining therein a first combustion chamber, the peripheral wall portion being provided with a first gas discharge port and a second gas discharge port having an opening pressure higher than the first gas discharge port, and a communication hole-associated region associated with the combustion product discharge region and including only the first gas discharge port formed therein and a communication hole non-associated region associated with the combustion product non-discharge region and including the second gas discharge port formed therein.

Abstract: A sheet includes an insulating material and a plurality of conductive materials each having a plate shape and having a substantially C-like shape as viewed from above in a thickness direction of the sheet. Each of the plurality of conductive materials is disposed such that a circumferential direction of the substantially C-like shape and a planar direction of the sheet are substantially parallel to each other. At least some of the plurality of conductive materials form a conductive material layered portion in which a plurality of the conductive materials are disposed in the thickness direction of the sheet without being in contact with each other.

Abstract: A cellulose ester composition having high fluidity, the cellulose ester composition containing a cellulose ester (A), an adipate-based compound (B), and a citrate-based compound (C). When a total of the component (A), the component (B), and the component (C) is 100 mass %, a content of the component (B) is from 7 to 20 mass %, a content of the component (C) is from 1 to 14 mass %, a total content of the component (B) and the component (C) is from 21 to 30 mass %, and the remainder is the component (A).

Abstract: Provided is a composition capable of forming a cured product having excellent adhesion to a substrate, hardness, scratch resistance, and chemical resistance. The composition of the present disclosure includes a polyol compound (A) and an isocyanate compound (B), the polyol compound (A) containing a compound (a1) having a number average molecular weight calibrated with polystyrene standards of less than 800 and being represented by Formula (1), where R1 to R3 are a group represented by Formula (1a); and the isocyanate compound (B) containing a compound (b) represented by Formula (2), where L1 to L3 are a hydrogen atom, an NCO group, or an alkyl group having from 1 to 10 carbon atom(s) and having a group represented by Formula (2?).

Abstract: An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value falling within a range from 6 to 10, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 30% or less, which is measured with 60-degree specular gloss, a value of transmission image clarity of 60% or less, which has an optical comb of 0.5 mm, and a haze value of 50% or less. Consequently, satisfactory anti-glare property can be provided while appropriately suppressing sparkle on the display.

Abstract: A composition includes particles of a cellulose derivative and a surface treatment compound. The particles of the cellulose derivative have an average particle size from 0.08 ?m to 100 ?m. The surface treatment compound is an organic compound having a long-chain alkyl group and/or an inorganic powder. The inorganic powder has an average particle size of ? or less of the average particle size of the particles of the cellulose derivative. A cosmetic composition includes the composition. A method for producing the composition includes mixing the particles of the cellulose derivative and the surface treatment compound. In the mixing, the particles of the cellulose derivative and the surface treatment compound are dry-mixed.

Abstract: An object is to provide a Th1-increasing agent that can reduce constraints on storage conditions and feeding form and sufficiently increase Th1 at lower doses. A Th1-increasing agent containing a cellulose derivative as an active ingredient, the cellulose derivative having a degree of butyryl substitution of 0.3 or greater and 2.6 or less, and a total degree of substitution of 0.5 or greater and 2.8 or less.

Abstract: An electric circuit breaker device including a housing serving as an outer shell member, the housing configured to enclose an accommodation space extending in one direction, an igniter provided in the housing, a projectile disposed in the housing, the projectile being configured to be projected from one end side of the accommodation space by energy received from the igniter, the projectile being configured to move along an extending direction of the accommodation space, and a conductor piece held by the housing, the conductor piece forming a part of an electric circuit, the conductor piece including a cutoff portion between a first connection end portion as one end portion and a second connection end portion as the other end portion, the cutoff portion being configured to be cut off by movement of the projectile, the cutoff portion being disposed across the accommodation space.