Abstract: The present invention provides a rubber composition having superior moldability, wear resistance, and grip performance, and tires therewith. The present invention relates to a rubber composition comprising: a copolymer (B) constituted of a vinyl alcohol polymer (B-1) region and a diene polymer (B-2) region; and a rubber component (C), wherein the rubber composition comprises 1 to 20 parts by mass of the copolymer (B) relative to 100 parts by mass of the rubber component (C).

Abstract: There is provided a vinyl alcohol-based polymer having an olefin in side chain, comprising 0.001 to 10 mol % of a structural unit represented by Formula (1) based on the total amount of structural units, wherein the total carbon number of X, R1, R2, R3 and R4 is 2 or more. The vinyl alcohol-based polymer having an olefin in side chain has excellent storage stability, good solubility in water or an organic solvent even after thermal treatment, and excellent reactivity to high energy beam.

Abstract: The present invention relates to a vinyl alcohol-based polymer having an olefin in side chain, comprising a vinyl alcohol unit and a structural unit represented by Formula (I), wherein X represents a divalent saturated hydrocarbon group with 1 to 6 carbon atoms, optionally having a branched structure; Y represents a hydrogen atom or a saturated hydrocarbon group with 1 to 6 carbon atoms, optionally having a branched structure; and Z represents a hydrogen atom or a methyl group. Thus, there is provided a vinyl alcohol-based polymer having an olefin in side chain exhibiting higher water solubility even after thermal treatment, higher storage stability, and higher reactivity to high energy beam, and a method for producing it.

Abstract: A modified conjugated diene-based polymer having high Mooney viscosity and good shape stability and exhibiting excellent processability and low heat build-up is obtained in as few steps as possible. The modified conjugated diene-based polymer is produced by a method of reacting a conjugated diene-based polymer having an active chain end, obtained by polymerizing a monomer containing a conjugated diene compound in the presence of an initiator that contains at least either of an alkali metal compound and an alkaline earth metal compound, with a compound [M] having at least two groups selected from the group consisting of a group “—C(R1)?N-A1” and a group “—N?C(R1)-A1”, where R1 is a hydrogen atom or a hydrocarbyl group and A1 is a monovalent group having an alkoxysilyl group.

Abstract: In an example of a game system, based on saved data of a plurality of players, a plurality of player characters are generated, and based on an operation on each of a plurality of operation devices, one of the player characters corresponding to the operation device is controlled in a virtual space. The game system can set any of the plurality of player characters as a main character, set the other player character as a sub characters, switch the main character and the sub character. Then, the game system controls a field of view of the game so that at least the main character is included in the field of view. The game system generates a game image based on the field of view to be displayed on a display device.

Abstract: The invention relates to particles with an average particle size of 300 to 1000 ?m, comprising a modified polyvinyl alcohol having vinyl alcohol units and structural units represented by formula (1), wherein a content of the vinyl alcohol units is 60 to 90 mol % based on the total structural units: wherein R1 represents a hydrogen atom or a methyl group. Thus, the present invention provides particles containing a modified polyvinyl alcohol having high water solubility and high affinity for a photosensitive monomer, which are highly photosensitive.

Abstract: A polyvinyl alcohol is produced in a method comprising: a polymerization step comprising polymerizing vinyl ester monomers by controlled radical polymerization in the presence of a radical initiator and an organic cobalt complex to obtain a polymer solution containing a polyvinyl ester; an extraction step comprising extracting a cobalt complex from the polymer solution by contacting an aqueous solution containing a water-soluble ligand with the polymer solution; and a saponification step comprising saponifying the polyvinyl ester after the extraction step to obtain a polyvinyl alcohol. A method for producing a polyvinyl alcohol is thus provided that has a narrow molecular weight distribution and a high number-average molecular weight with good hue and further good solubility in water.

Abstract: The present invention provides a dispersion stabilizer for suspension polymerization that, when used for suspension polymerization of a vinyl compound, provides excellent polymerization stability, and can produce a vinyl polymer having a reduced number of coarse particles, and a reduced number of fisheyes when molded into a sheet form. The present invention also provides a method therewith. The present invention relates to a dispersion stabilizer for suspension polymerization of a vinyl compound, the dispersion stabilizer comprising a vinyl alcohol polymer (A) having a viscosity-average degree of polymerization of more than 400 and less than 1,000, a degree of saponification of more than 67 mol % and less than 78 mol %, 0.02 mol % to 1.0 mol % of a group having an ethylenic double bond in its side chain, and an absorbance (x) at 280 nm of more than 0.17 and less than 0.65 in an ultraviolet absorption spectrum of a 0.1 mass % aqueous solution.

Abstract: There is provided a vinyl alcohol-based polymer having an olefin in side chain, comprising 0.001 to 10 mol % of a structural unit represented by Formula (1) based on the total amount of structural units, wherein the total carbon number of X, R1, R2, R3 and R4 is 2 or more. The vinyl alcohol-based polymer having an olefin in side chain has excellent storage stability, good solubility in water or an organic solvent even after thermal treatment, and excellent reactivity to high energy beam.

Abstract: The present invention provides a resin composition satisfying both high crystallinity and excellent flexibility while ensuring desirable workability. The present invention relates to a resin composition comprising a vinyl alcohol polymer (A) and a copolymer (B), wherein the copolymer (B) comprises a vinyl alcohol polymer (B-1) and a diene polymer (B-2), and has a content ratio of 10 to 70 mass % with respect to a total mass of the vinyl alcohol polymer (A) and the copolymer (B), the resin composition having a powder or pellet form, and an average particle diameter of 50 to 4,000 ?m.

Abstract: A polymer composition including: a filler (A); a polymer (B) having a repeating unit derived from a conjugated diene compound, having a peak temperature of a tan ? temperature dispersion curve of ?110° C. or more and less than ?30° C., and having a functional group capable of interacting with the filler (A); and a polymer (C) having a repeating unit derived from a conjugated diene compound and a repeating unit derived from an aromatic vinyl compound, having a peak temperature of a tan ? temperature dispersion curve of ?30° C. or more and 10° C. or less, and having a functional group capable of interacting with the filler (A), wherein the polymer (B) and the polymer (C) are incompatible with each other, and a concentration of functional groups per unit mass of the polymer (B) is higher than a concentration of functional groups per unit mass of the polymer (C).

Abstract: The present invention relates to a vinyl alcohol-based polymer having an olefin in side chain, comprising a vinyl alcohol unit and a structural unit represented by Formula (I), wherein X represents a divalent saturated hydrocarbon group with 1 to 6 carbon atoms, optionally having a branched structure; Y represents a hydrogen atom or a saturated hydrocarbon group with 1 to 6 carbon atoms, optionally having a branched structure; and Z represents a hydrogen atom or a methyl group. Thus, there is provided a vinyl alcohol-based polymer having an olefin in side chain exhibiting higher water solubility even after thermal treatment, higher storage stability, and higher reactivity to high energy beam, and a method for producing it.

Abstract: A display device (100) includes a spontaneous light emission-type display panel (10). The display device includes a plurality of pixels (P). The plurality of pixels each include a plurality of sub pixels including a red sub pixel (R), a green sub pixel (G) and a blue sub pixel (B). The display panel includes a red light emitting element (1r), a green light emitting element (1g), and a blue light emitting element (1b). Red light, green light and blue light respectively emitted by the red light emitting element, the green light emitting element and the blue light emitting element each have a spectrum half width of 10 nm or less. The plurality of sub pixels included in each pixel further include a yellow sub pixel (Ye). The display panel further includes a yellow light emitting element (1y) provided in an area corresponding to the yellow sub pixel. The yellow light emitting element emits yellow light having a dominant wavelength of 550 nm or greater and 600 nm or less.

Abstract: A modified conjugated diene-based polymer having high Mooney viscosity and good shape stability and exhibiting excellent processability and low heat build-up is obtained in as few steps as possible. The modified conjugated diene-based polymer is produced by a method of reacting a conjugated diene-based polymer having an active chain end, obtained by polymerizing a monomer containing a conjugated diene compound in the presence of an initiator that contains at least either of an alkali metal compound and an alkaline earth metal compound, with a compound [M] having at least two groups selected from the group consisting of a group “—C(R1)N-A1” and a group “—N?C(R1)-A1”, where R1 is a hydrogen atom or a hydrocarbyl group and A1 is a monovalent group having an alkoxysilyl group.

Abstract: A polyvinyl alcohol is produced in a method comprising: a polymerization step comprising polymerizing vinyl ester monomers by controlled radical polymerization in the presence of a radical initiator and an organic cobalt complex to obtain a polymer solution containing a polyvinyl ester; an extraction step comprising extracting a cobalt complex from the polymer solution by contacting an aqueous solution containing a water-soluble ligand with the polymer solution; and a saponification step comprising saponifying the polyvinyl ester after the extraction step to obtain a polyvinyl alcohol. A method for producing a polyvinyl alcohol is thus provided that has a narrow molecular weight distribution and a high number-average molecular weight with good hue and further good solubility in water.

Abstract: A polyvinyl alcohol has a number-average molecular weight (Mn) from 4,400 to 440,000, a molecular weight distribution (Mw/Mn) from 1.05 to 1.70, a degree of saponification from 80 to 99.99 mol %, and a carbon-carbon double bond content (X) of 0.1 mol % or less based on total monomer units, and satisfying a formula (1) below. A polyvinyl alcohol, having a narrow molecular weight distribution and a high number-average molecular weight with good hue, and a method for producing the same are thus provided.

Abstract: Provided is a laser scanning microscope including a stage on which a sample is placed, an objective lens that is disposed below the stage and that focuses laser light from a light source onto the sample, a scanner that scans the laser light focused by the objective lens over the sample, a condenser lens disposed opposite the objective lens with the stage interposed therebetween, and a light blocking cover that is disposed in an optical path between the condenser lens and the stage and that blocks external light entering the objective lens or the condenser lens from above the sample via the stage.

Abstract: An object control section according to one embodiment moves a player object in a virtual space according to an operation performed by a user. When the player object has reached a predetermined position in the virtual space by the operation performed by the user, the object control section issues a read instruction to a communication control section. The communication control section transmits radio wave to a storage medium when receiving the read instruction. When the radio wave is received, electromotive force is generated in the storage medium, and information stored in the storage medium is read by an information processing apparatus.

Abstract: Provided are graft copolymer particles enabling introduction of adsorptive functional groups adsorbing metals and others, a method for producing same, and an adsorbent using same. (1) Porous graft copolymer particles containing graft chains introduced into porous particles (particle surface having an average pore diameter of 0.01-50 ?m) including at least one resin selected from olefin resins, water-insoluble modified polyvinyl alcohol resins, amide resins, cellulosic resins, chitosan resins and (meth)acrylate resins. (2) A method for producing porous graft copolymer particles including (I) melt-kneading a polymer A and a polymer B other than the polymer A to obtain a compound material, (II) extracting and removing the polymer B from the compound material to obtain a porous material of the polymer A, (III) granulating the porous material, and (IV) introducing graft chains into the porous particles. (3) An adsorbent of porous graft copolymer particles.

Abstract: In an exemplary image generation system, a virtual camera is set in accordance with a position and an orientation of an object in a virtual space. While a predetermined operation is being performed, an orientation of a display device is detected by using an angular velocity sensor provided in the display device, and an orientation of the virtual camera is changed based on the detected orientation. When the predetermined operation is not performed, the virtual camera is positioned based on an original orientation which is determined in accordance with the position and the orientation of the object.