Abstract: A photocurable liquid composition capable of forming a cured product in which localization of metal oxide nanoparticles is suppressed, a cured product of the photocurable liquid composition, and a method for producing a cured product using the photocurable liquid composition. As a nitrogen-containing compound, at least one of an amine compound having a specific structure and an imine compound having specific structure is added to the photocurable liquid composition including the photopolymerizable monomer, metal oxide nanoparticles, and a photopolymerization initiator.

Abstract: A curable composition capable of forming a cured product having a high refractive index and suppressed increase in reflectance, a cured product of the curable composition, and a method for producing the cured product using the curable composition. The curable composition includes a photopolymerizable monomer, metal oxide nanoparticles, and a photopolymerization initiating agent. The photopolymerizable monomer includes a compound represented by the following formula (a1).

Abstract: An energy-sensitive composition that yields a cured product with excellent thermal resistance and crack resistance, a cured product of the composition, and a method of forming a cured product. The energy-sensitive composition includes a polysilane and a thermal base generator, in which the thermal base generator includes an ionic compound and a nonionic compound. An anion moiety in the ionic compound preferably includes at least one of an anion having an oxaxanthone skeleton, an anion having a ketoprofen skeleton, and an anion having a fluorenone skeleton.

Abstract: A novel compound suitable as an epoxy curing catalyst; an epoxy curing catalyst using the compound; and a method for producing the compound. A compound represented by formula (1) in which Xm+ represents an m valent counter cation, R1 represents an aromatic group which may have a substituent; R2 represents an alkylene group which may have a substituent; R3 represents a halogen atom, a hydroxyl group, a mercapto group, a sulfide group, a silyl group, a silanol group, a nitro group, a nitroso group, a sulfonic acid ester group, a phosphino group, a phosphinyl group, a phosphonic acid ester group or an organic group; m represents an integer of 1 or more; n represents an integer of 0-3; and R2 may bond with R1 to form a cyclic structure.

Abstract: A resin composition including a silicon-containing resin component and a solvent, the silicon-containing resin component includes (I) mentioned below, the solvent including at least one of a terpene compound having at least one of a hydroxy group and an acetoxy group, and a cyclic skeleton-containing acetate compound (excluding the terpene compound): (I) a polysilane-polysiloxane resin having a polysilane structure and a polysiloxane structure.

Abstract: A photosensitive composition capable of forming a cured product with high transparency, a cured product of the photosensitive composition, and a method for producing the cured product using the photosensitive composition. In a photosensitive composition including a base component having photopolymerizability and a photopolymerization initiator, a silicone resin is used as the base component, and a phosphine oxide compound and an oxime ester compound as a photopolymerization initiator are used in combination at a specific ratio.

Abstract: A photosensitive composition capable of forming a cured product with high transparency, a cured product of the photosensitive composition, and a method for producing the cured product using the photosensitive composition. In a photosensitive composition including a base component having photopolymerizability and a photopolymerization initiator, a phosphine oxide compound and an oxime ester compound as a photopolymerization initiator are used in combination such that the ratio of the mass W2 of the oxime ester compound is 35% by mass or more relative to sum of a mass W1 of the phosphine oxide compound and the mass W2 of the oxime ester compound.

Abstract: A liquid photosensitive ink composition capable of forming a cured product with a high refractive index and applicable to an inkjet method even though the photosensitive ink composition does not include the solvent, or include small amount of the solvent, a cured product of the photosensitive ink composition, a display panel having a film consisting of the cured product, and a method for producing the cured product using the above photosensitive ink composition. In a photosensitive ink composition including a photopolymerizable compound, metal compound particles, and a photopolymerization initiator, a sulfide compound having specific structure and a (meth)acrylate compound having specific structure as the photopolymerizable compound, and at least one selected from the group consisting of titanium oxide particles, barium titanate particles, cerium oxide particles, and zinc sulfide particles, as the metal compound particles are used.

Abstract: A curable composition capable of forming a cured product having a high refractive index and suppressed increase in reflectance, a cured product of the curable composition, and a method for producing the cured product using the curable composition. The curable composition includes a photopolymerizable monomer, metal oxide nanoparticles, and a photopolymerization initiating agent. The photopolymerizable monomer includes a compound represented by the following formula (a1).

Abstract: A liquid photosensitive ink composition capable of forming a cured product with a high refractive index and a high transparency, a cured product of the photosensitive ink composition, a display panel having a film consisting of the cured product, and a method for producing the cured product using the photosensitive ink composition. In a photosensitive ink composition including a photopolymerizable compound, and a photopolymerization initiator, a sulfide compound having specific structure and a (meth)acrylate compound having specific structure are used as the photopolymerizable compound, and a phosphine oxide compound and an oxime ester compound are used as the photopolymerization initiator.

Abstract: A curable ink composition capable of forming a cured product with a high refractive index and applicable to the inkjet method, a cured product of the curable ink composition, and a nanocomposite having a film composed of the cured product of the curable ink composition. The curable ink composition includes a photopolymerizable compound and metal compound nanocrystals, using a sulfide compound having specific structure and a (meth)acrylate compound (as the photopolymerizable compound, and using zirconium oxide nanocrystals as the metal compound nanocrystals.

Abstract: An energy-sensitive composition that yields a cured product with excellent thermal resistance and crack resistance, a cured product of the composition, and a method of forming a cured product. The energy-sensitive composition includes a polysilane and a thermal base generator, in which the thermal base generator includes an ionic compound and a nonionic compound. An anion moiety in the ionic compound preferably includes at least one of an anion having an oxaxanthone skeleton, an anion having a ketoprofen skeleton, and an anion having a fluorenone skeleton.

Abstract: To provide a curable composition which can easily form an optical film with good fluorescence efficiency and includes quantum dots (B), a film made of a cured product of the curable composition, an optical film for a light-emitting display element made of the film, a light-emitting display element panel including the optical film, and a light-emitting display equipped with the light-emitting display element panel. A film is formed by curing a curable composition which includes an epoxy compound (A) having two or more epoxy groups and including a cyclic structure other than an oxirane ring, quantum dots (B), and an acid generator (C).

Abstract: A method for producing a polyimide film includes: obtaining a polyamic acid solution having a viscosity of 5 to 150 cps by preparing a raw material mixture liquid containing a solvent, a tetracarboxylic dianhydride represented by a specific general formula, and an aromatic diamine represented by a specific general formula, and has a total content of the tetracarboxylic dianhydride and aromatic diamine of 15% by mass or less, and reacting the tetracarboxylic dianhydride and aromatic diamine with each other in the raw material mixture liquid forming a polyamic acid having a repeating unit represented by a specific general formula; obtaining a polyimide-forming mixture liquid by adding a compound represented by a specific general formula to the polyamic acid solution; and obtaining a polyimide film represented by a specific general formula by forming a film made of the polyimide-forming mixture liquid, followed by imidization of the polyamic acid in the film.

Abstract: A polyimide precursor composition that exhibits excellent tensile strength and breaking elongation, and that provides a film containing an alicyclic polyimide resin; a method for producing a polyimide film using the polyimide precursor composition; and a permanent film that contains an alicyclic polyimide resin and that exhibits excellent tensile strength and breaking elongation. The polyimide precursor composition is a mixture of a resin precursor component which is a polyamic acid including an alicyclic backbone having a predetermined structure, a monomer component that includes an aromatic diamine compound having a predetermined structure or an alicyclic tetracarboxylic acid di-anhydride having a predetermined structure; an imidazole compound having a predetermined structure; and a solvent.

Abstract: A resin composition including a silicon-containing resin component and a solvent, the silicon-containing resin component includes (I) mentioned below, the solvent including at least one of a terpene compound having at least one of a hydroxy group and an acetoxy group, and a cyclic skeleton-containing acetate compound (excluding the terpene compound): (I) a polysilane-polysiloxane resin having a polysilane structure and a polysiloxane structure.

Abstract: A curable composition capable of forming a cured product having high refractive index and excellent bending resistance, a cured product of the curable composition, a cured film made of the cured product, a display panel provided with the cured film, and a method for producing a cured product using the above-mentioned curable composition. The curable composition includes a curable compound and a curing agent. The curable compound contains a curable compound including, as a main skeleton, a fused ring in which three or more rings including an aromatic ring are fused, followed by mixing a metal oxide in which a capping agent is covalently bonded to a surface thereof.

Abstract: A novel compound suitable as an epoxy curing catalyst; an epoxy curing catalyst using the compound; and a method for producing the compound. A compound represented by formula (1) in which Xm+ represents an m valent counter cation, R1 represents an aromatic group which may have a substituent; R2 represents an alkylene group which may have a substituent; R3 represents a halogen atom, a hydroxyl group, a mercapto group, a sulfide group, a silyl group, a silanol group, a nitro group, a nitroso group, a sulfonic acid ester group, a phosphino group, a phosphinyl group, a phosphonic acid ester group or an organic group; m represents an integer of 1 or more; n represents an integer of 0-3; and R2 may bond with R1 to form a cyclic structure.

Abstract: A resin composition including a silicon-containing resin component and a solvent, the silicon-containing resin component including at least one of (I) and (II) mentioned below, the solvent including at least one of a terpene compound having at least one of a hydroxy group and an acetoxy group, and a cyclic skeleton-containing acetate compound (excluding the terpene compound): (I) a polysilane-polysiloxane resin having a polysilane structure and a polysiloxane structure, and (II) a mixture of a resin having a polysilane structure and a resin having a polysiloxane structure.

Abstract: A silicon-containing resin composition with which it is possible to form a silica-based coating film in which generation of cracks is minimized, a method for forming a silica-based coating film using the composition, and a crack-free silica-based coating film formed using the composition. The silicon-containing resin composition includes a silicon-containing resin and a solvent, in which one or more of siloxane resins and polysilanes is used as the silicon-containing resin, and the solvent contains a cycloalkyl acetate having a specific structure.