Abstract: Provided are: a photosensitive composition for organic EL display device, the photosensitive composition being excellent in preservation stability as a photosensitive composition, being excellent in curability at a low temperature, having good developability, and being capable of forming a cured film having high light-shielding properties; and an organic EL display device comprising a cured film having high light-shielding properties. This photosensitive composition for organic EL display device comprises carbon black, a polymerizable compound, a photopolymerization initiator, and a photosensitive resin, wherein the photopolymerization initiator includes a compound having two or more oxime esters in one molecule; the polymerizable compound includes a hexafunctional polymerizable compound and a trifunctional polymerizable compound; and the content of the carbon black is 30% by mass to 50% by mass in the non-volatile content of the photosensitive composition for organic EL display device.

Abstract: An ink set includes: an aqueous white inkjet ink containing dispersed particles (PW) of an inorganic white pigment; and an aqueous yellow inkjet ink containing dispersed particles (PY) of C.I. Pigment Yellow 155, wherein when a content of the dispersed particles (PW) is represented by WW (% by mass), an average particle size and a density of the dispersed particles (PW) are represented by SW (nm) and DW (g/cm3), respectively, and a content of the dispersed particles (PY) is represented by WY (% by mass), formulas (1) to (4) below are all satisfied. 1 ? 5 ? 0 ? S ? W ? 350 ( 1 ) 6 ? WW ? 3 ? 0 ( 2 ) 0.01 0 × S ? W × D ? W ? W ? W ? [ 9 . 0 × 1 ? 0 6 ÷ ( SW 2 × D ? W ) ] ( 3 ) 0.3 ? ( WY × DW / WW ) ? 1 .

Abstract: The disclosure provides: carbon nanotubes capable of forming an electrode film having good conductivity while further enhancing safety, and a method for purifying the carbon nanotubes; and a carbon nanotube dispersion, a binder composition, an electrode composition, and a secondary cell containing the carbon nanotubes.

Abstract: Provided is a carbon nanotube dispersed liquid which contains carbon nanotubes, a dispersant, and a solvent, and in which, in a volume-based particle size distribution curve measured by a laser diffraction/scattering-type particle size distribution measuring method, particle size distribution peaks are present in a particle size range of 0.1-3 ?m and in a particle size range of 10-100 ?m, and the cumulative particle size D50 is 4 ?m or more.

Abstract: A thermoplastic resin composition for an electromagnetic wave absorber includes a thermoplastic resin (A), a carbon nanotube (B) with an average diameter of 1 to 15 nm, and a carbon black (C) with an average primary particle size of 20 to 50 nm, and satisfies any of (i) to (iv). ?RL expressed by Equation (1) is 3 dB or less, and ?TL expressed by Equation (2) is 5 dB or less.

Abstract: An adhesive for an electrical storage device packaging material containing a polyol compound (A), a polyisocyanate compound (B), and an epoxy resin (C), in which the polyol compound (A) contains an ester bond-containing polyol, and the following formula is satisfied when a stress at the time when a cured film obtained by performing curing under the condition of 80° C. for 2 weeks is stretched to twice its length at a speed of 6 mm/min under an environment of 20° C. and 65% RH is S1 [N/mm2], and a stress at the time when the cured film is held for 100 seconds in a stretched state is S2 [N/mm2]. Formula: 10.0?(S1?S2)/S1×100?40.0.

Abstract: An active energy ray-curable inkjet black ink includes carbon black, a basic pigment dispersing resin having an acid value of 30 mgKOH/g or less, and 5-methyl-3-vinyloxazolidin-2-one. When a DBP oil absorption amount of the carbon black is represented by AC (mL/100 g) and a specific surface area of the carbon black is represented by SC (m2/g), a value represented by AC×SC is 2,000 to 12,000. A content of a monofunctional polymerizable compound (excluding the 5-methyl-3-vinyloxazolidin-2-one) is 15% by mass or less with respect to a total mass of the active energy ray-curable inkjet black ink.

Abstract: A spraying agent that includes a resin emulsion, and is used for at least one of agglomeration of soil, immobilization of seeds or plants, and immobilization of a chemical agent, in which the resin emulsion includes a biodegradable resin containing an ester skeleton and having a minimum film-forming temperature of 30° C. or lower. Further, a resin sheet that is formed of a resin composition containing the above-described resin emulsion.

Abstract: A carbon nanotube dispersion including a carbon nanotube, a solvent, and a dispersant. A highly conductive electrode membrane can be produced as a result of the carbon nanotube using a carbon nanotube dispersion satisfying (1), (2), and (3). (1) An average outer diameter is more than 3 nm and less than 10 nm. (2) A peak is present in a powder X-ray diffraction analysis at a diffraction angle of 2?=25°±2°, and a half value width of the peak is 3° to 6°. (3) When a maximum peak intensity within the range of 1,560 to 1,600 cm?1 in a Raman spectrum is G and a maximum peak intensity within the range of 1,310 to 1,350 cm?1 is D, a G/D ratio is 0.5 to 4.5.

Abstract: The pigment composition contains the isoindoline compound represented by formula (1) below and the isoindoline compound represented by formula (2) below. In the formulae (1) and (2), R1 to R4 represent hydrogen atoms, R5 and R6 each independently represent alkyl groups, and A and A? represent a group represented by formula (3) below or formula (5) below.

Abstract: A carbon nanotube dispersion composition includes carbon nanotubes (A), a dispersant (B), and a solvent (C). A particle diameter D50 at a cumulative volume of 50% according to laser diffraction particle size distribution measurement is 0.3 to 7 ?m, and (1) and (2) below are satisfied. (1) The dispersant (B) is a polymer that has a weight average molecular weight of 5,000 or more and 360,000 or less and includes a carboxyl group-containing structural unit derived from at least one of (meth)acrylic acid and (meth)acrylate having a carboxyl group. (2) When the particle diameter D50 at a cumulative volume of 50% according to laser diffraction particle size distribution measurement of the carbon nanotube dispersion composition is X [?m], and a pH is Y, X and Y satisfy (Formula a) and (Formula b) below: Y ? - 0 . 1 ? 4 ? 9 ? X + 4 .545 ( Formula ? a ) Y ? - 0 . 1 ? 3 ? 4 ? X + 5 . 1 ? 4 ? 0 .

Abstract: A dispersion composition production method uses a dispersion device including: a dispersion mechanism dispersing a raw material composition; a supply mechanism equipped with a plunger part and supplying the raw material composition to the dispersion mechanism; and a cooling mechanism cooling the plunger part using a cooling liquid medium. The raw material composition contains a non-aqueous dispersion medium and a dispersoid. The cooling liquid medium is a liquid medium that results in 0-50 particles 10 ?m or more in the flocculation test below: dispersing a composition identical to the raw material composition; preparing a test dispersion liquid having a particle size of less than 10 ?m; preparing a test sample by mixing the test dispersion liquid and the cooling liquid medium at a mass ratio of 1:1; and identifying the number of particles of 10 ?m or more in the test sample.

Abstract: Provided are a highly reliable electromagnetic wave shielding sheet that is capable of performing batch coating on a wafer before dicing and has excellent coating properties, a shielded wafer formed using the electromagnetic wave shielding sheet, a semiconductor device, and a manufacturing method thereof. An electromagnetic wave shielding sheet 3 for performing batch coating on a semiconductor wafer before dicing includes at least a shielding film 30 including a conductive filler (F) and a binder component, has an elongation rate of 100% to 1500% at 100° C., and has a Young's modulus of 100 MPa to 1000 MPa at 100° C. in a cured sheet after treating the electromagnetic wave shielding sheet 3 at 180° C. for 2 hours.

Abstract: Provided is an active energy ray-curable inkjet ink containing: C. I. Pigment Yellow 150; an active energy ray-polymerizable compound (A-1) including multiple ethylene oxide groups and a specific structure; an acylphosphine oxide initiator (B-1); and a siloxane surfactant (C-1) having a weight-average molecular weight of 400 to 20,000, wherein a total amount of a compound represented by general formula 2 below is 100 ppm or less. In general formula 2, R2 and R3 each independently represent an amino group or a hydroxyl group.

Abstract: A block copolymer consists mainly of structural units each derived from an ethylenically unsaturated monomer and has at least one mercapto group. The block copolymer has an Mn of 5,000-500,000 and has a block structure, which is an A-B-A triblock structure or a star-shaped block structure of [A-B]qX. The q is an integer of 2-6. The polymer block (A) has a glass transition temperature of 20° C. or higher. The polymer block (B) of the triblock structure has a glass transition temperature lower than 20° C., and the [polymer block (B)]qX of the star-shaped block structure has a glass transition temperature lower than 20° C. The X is an initiator residue or/and a coupling-agent residue or is a derivative thereof.

Abstract: A carbon nanotube dispersion contains a solvent and bundle-type carbon nanotubes formed from carbon nanotubes having an average diameter of 3 nm to 30 nm, a proportion of the number of bundle-type carbon nanotubes each in a shape having an outer diameter of 50 nm to 5 ?m and a fiber length of 1 ?m to 100 ?m being 0.2% or more based on the number of carbon nanotubes each having an outer diameter of 10 nm or more in the carbon nanotube dispersion.

Abstract: Provided is a carbon nanotube dispersion composition including carbon nanotubes, a dispersant, and a solvent and satisfying (1) and (2) as follows: (1) an average outer diameter of the carbon nanotubes calculated from an SEM image obtained by observing the carbon nanotubes included in the carbon nanotube dispersion composition is 15 nm or more and 50 nm or less; and (2) when a target pixel group in the SEM image obtained by observing the carbon nanotubes included in the carbon nanotube dispersion composition is set as the carbon nanotubes, and a value obtained by dividing an absolute maximum length by a length of a free curve, that is, a skeleton length, is set as linearity, a proportion of carbon nanotubes with a linearity of 0.9 or more among carbon nanotubes with a skeleton length of 1 ?m or more is 40% or more and 90% or less.

Abstract: In the present disclosure, a method for separating and recovering a laminate is provided, the method including a step of immersing a laminate including at least a plastic base material layer and a printing layer in a detachment liquid to detach the printing layer so that a volume-based median diameter (D50) of a printing layer component detached from the plastic base material layer becomes 1 ?m or more and recovering a plastic base material, in which a content rate of the printing layer is 0.01 mass % or more of a total mass of the detachment liquid.

Abstract: A composition containing metal particles contains: a metal particle (A) with an average particle size of 100 nm to 500 nm; and a compound (B) with a carbon number of 20 to 80 having a functional group (b) in a quantity of 2 or more, the functional group (b) being any one selected from hydroxyl group, carboxyl group, and amino group. A bonding paste contains a dispersion medium (C) and the above composition containing metal particles. A bonding body is obtained by bonding a first bonded part and a second bonded part with the above bonding paste.

Abstract: An electronic component-mounting substrate including a peeling or falling prevention layer that has excellent adhesion and scratch resistance, can increase smoothness of corner parts of components after processing, and firmly covers a substrate and electronic components provided on the substrate, so that the electronic component-mounting substrate can prevent human nails or other components from getting caught between electronic components that are mounted during a process of mounting the electronic components, preventing the electronic components from peeling off or falling off from the substrate due to an external damage. The electronic component-mounting substrate includes a substrate, an electronic component, and a peeling or falling prevention layer, in which the peeling or falling prevention layer satisfies (1) a rate of change X of a coefficient of static friction is ?50% or greater and 200% or smaller, and (2) an index Y is 0.8 or greater and 20.0 or smaller.