Abstract: A fluorine-containing epoxy resin for an electronic component represented by the following formula (E) wherein n is an integer of 0 or greater, an average value of n is 0.18 or smaller, and M is a group represented by the following formula (E1), a group represented by the following formula (E2), or a group represented by the following formula (E3) wherein Z is hydrogen or a C2-C10 fluoroalkyl group. The formula (E) being: the formula (E1) being: the formula (E2) being: the formula (E3) being: Also disclosed is a method for producing the fluorine-containing epoxy resin as well as a curable composition containing the fluorine-containing epoxy resin and a curing agent.

Abstract: A semiconductor chip includes a first electrode connected to a gate of a power device, a second electrode connected to an emitter or a source of the power device, a third electrode, and a gate protection element. The gate protection element includes a first node and a second node, and a plurality of stages of p-n junctions formed between the first node and the second node. When one of the first electrode and the second electrode is a target electrode and the other is a non-target electrode, and the first node is connected to the third electrode and the second node is connected to the target electrode. Then, the first electrode, the second electrode, the third electrode and the gate protection element are formed in the same semiconductor chip.

Abstract: A housing for a livestock sensor, the housing including: a resin having a coefficient of kinetic friction of 0.40 or lower and a coefficient of static friction of 0.10 or lower, and the resin being other than polytetrafluoroethylene. Also disclosed is a livestock sensor including the housing and a detector inside the housing.

Abstract: An image display system causes a plurality of image display devices having different device characteristics to respectively display images. The image display system includes an external light detection device that detects external light and an image adjustment device that performs adjustment to make at least one of contrast, chromaticity, and luminance continuous between the images displayed on the plurality of image display devices, the adjustment being performed based on the device characteristics and the detected external light.

Abstract: A seal for a livestock sensor containing a resin, or a rubber free from a chlorine atom. The seal is at least one selected from a packing, an O-ring, and a gasket, and the seal is configured to prevent a body fluid containing an organic acid in livestock from entering a space that contains a detecting portion or a substrate of the livestock sensor. Also disclosed is a livestock sensor including the seal.

Abstract: A housing for a livestock sensor capable of constituting a livestock sensor that has excellent corrosion resistance, has a small size, and can easily be administered orally to livestock, and a livestock sensor including the same. The housing includes a metal housing including a metal surface covered with a thermoplastic resin. Also disclosed is a livestock sensor including the housing.

Abstract: Organic fine particles and a slip-resistance agent composition which are capable of providing excellent slip-resistance to a base material. The organic fine particles contain a polymer having a repeating unit formed of: (I) a hydrophobic monomer that has a single ethylenically unsaturated double bond and at least one branched or cyclic hydrocarbon group having 3-40 carbon atoms; and, if necessary, (II) a cross-linking monomer having at least two ethylenically unsaturated double bonds. The slip-resistance agent composition contains (A) the organic fine particles and (B) an aqueous medium.

Abstract: An oil repellent agent including a modified natural product having at least one hydroxyl group, wherein a hydrogen atom of the hydroxyl group is replaced with an R group represented by —Y—Z, wherein Y represents a direct bond, —C(?O)—, —C(?O)—NR?— or —C(?S)—NR?—, where R? represents a hydrogen atom or a C1 to C4 alkyl group); and Z represents a hydrocarbon group having 1 to 40 carbon atoms and optionally having a substituent or a polysiloxane. The natural material is a natural product other than starch and preferably is a monosaccharide, a polysaccharide, glycerin or polyglycerin. Also disclosed is a textile product to which the oil-resistant agent is attached, an oil-resistant paper and a method of treating paper with the oil-resistant agent.

Abstract: A method for producing a hollow fine particulate containing a fluorine-containing resin and having a large average particle size. The method includes dispersing a solution containing a fluorine-containing monomer, a phase separation promoter, and a non-polymerizable solvent into water to provide a dispersion, and polymerizing the fluorine-containing monomer to provide a hollow fine particulate containing a fluorine-containing resin.

Abstract: An organic fine particle comprising a core polymer and a shell polymer. The core polymer has a Tg or a melting point of 15° C. or more, the core polymer has a water contact angle of 100° or more, all monofunctional monomers constituting the core polymer are a hydrophobic core monomer of which homopolymer has a water contact angle of 100° or more, the shell polymer has a Tg or a melting point lower than Tg or the melting point of the core polymer, the shell polymer has a water contact angle of less than 100°, and all monofunctional monomers constituting the shell polymer are a water-insoluble shell monomer of which homopolymer is water-insoluble. Also disclosed is a surface coating structure including the organic fine particle and a water-repellant composition including a dispersion of the organic fine particle.

Abstract: An object of the present disclosure is to provide a coating composition containing a dissolved, specific fluoropolymer at a high concentration that is usable in fluoropolymer coating. The present disclosure relates to a coating composition containing a fluoropolymer and an aprotic solvent, and the fluoropolymer contains, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group; and the concentration of the fluoropolymer is 20 mass % or more based on the total mass of the coating composition.

Abstract: An object of the present disclosure is to provide a laminate comprising a fluoropolymer layer with insulating properties, hardness, or transparency. The present disclosure relates to a laminate comprising a fluoropolymer layer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group.

Abstract: A space staging method includes a reservation information acquisition step, an entry detection step, a determination step, and a staging execution step. The reservation information acquisition step is a step of acquiring reservation information about a reservation of a target space of a facility from a server. The entry detection step is a step of detecting whether a user specified by the reservation information has entered a specific space in the facility. The determination step is a step of determining a number of times of entry of the user into the specific space upon detection of entry of the user into the specific space in the entry detection step. The staging execution step is a step of causing a staging system generating a stimulus to at least one of five senses of human in the facility to execute staging processing.

Abstract: An object of the present disclosure is to provide an insulating film or dielectric film comprising a fluoropolymer and having electrical insulation and hardness. The present disclosure relates to an insulating film or dielectric film comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group.

Abstract: An object of the present disclosure is to provide, for example, a fluoropolymer electret material with hardness. The present disclosure relates to an electret material comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group; and the fluoropolymer has a mass average molecular weight of 1 million or more and 5 million or less, or 5000 or more and less than 20000.

Abstract: An object of the present disclosure is to provide an encapsulation resin in which the occurrence of cracks is suppressed when the resin is used for encapsulation of ultraviolet light-emitting elements. Another object of the present disclosure is to provide an encapsulation resin composition for supplying the encapsulation resin. The present disclosure relates to an encapsulation resin for light-emitting elements, comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group.

Abstract: An object of the present disclosure is to provide a protective display film famed from a fluoropolymer with hardness. The present disclosure relates to a protective display film comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group.

Abstract: A composition containing: a compound represented by the following formula (D): wherein m is an integer of 0 to 6; p is 0 or 1; q is an integer of 0 to 6; Rf is a C1-C8 perfluoroalkyl group optionally containing oxygen with one fluorine atom being optionally replaced by a hydrogen atom, and a compound represented by the following formula (E): wherein n is an integer of 0 or greater; and M is a group represented by the following formula (E1): a group represented by the following formula (E2): or a group represented by the following formula (E3): wherein Z is hydrogen or a C1-C10 fluoroalkyl group.

Abstract: An object of the present disclosure is to provide a method for producing a fluorine-containing polymer and a composition containing the fluorine-containing polymer. The present disclosure provides a composition comprising (A) a fluorine-containing polymer comprising as a main component a structural unit containing a fluorine-containing aliphatic ring, and (B) an aprotic solvent, wherein the fluorine-containing aliphatic ring of the fluorine-containing polymer (A) contains one, two, or three etheric oxygen atoms as a ring-constituting atom; when the fluorine-containing aliphatic ring contains a plurality of etheric oxygen atoms, the etheric oxygen atoms are not adjacent to each other; and the fluorine-containing polymer (A) is present in an amount of 20 mass % or more based on the mass of the composition.

Abstract: An organic fine particle capable of adhering to a substrate under a state having a particle shape, wherein the organic fine particle, when adhered to a substrate, exhibits water-repellency on the substrate, and the organic fine particle is formed of a fluorine-free polymer. Also disclosed is an organic fine particle containing: (1) a hydrophobic monomer which has one ethylenically unsaturated double bond and at least one hydrocarbon group having 3-40 carbon atoms; or (2) a polymer which has a repeating unit formed from a (meth)acrylic monomer having a polydimethylsiloxane group. Also disclosed is a method for producing the organic fine particle and a water-repellent composition which is an aqueous dispersion of the organic fine particle. Also disclosed is a textile product and method for treating the same which includes applying a treatment liquid containing the water-repellent composition to the textile product.