Abstract: An optical film includes at least a first resin film, an adhesive layer disposed on one side of the first resin film, and a second resin film disposed on the adhesive layer, and the adhesive layer contains a polysaccharide.

Abstract: An optical film has a resin film and a hardcoat layer disposed on one surface of the resin film, in which the hardcoat layer contains a polysiloxane-containing compound and a fluorine-containing compound, and a film thickness of the resin film is equal to or greater than 80 ?m.

Abstract: The optical film of the present invention is an optical film including a thermoplastic resin, in which the optical film has a moisture permeability of 70 g/m2/day or less (in terms of a film thickness of 40 ?m), and contains a moisture permeability-reducing compound having a molecular weight of 200 or more and satisfying Formula (1) described below. Formula (1) A/B?0.9 (A represents a moisture permeability of an optical film in a case in which 10 mass % of the moisture permeability-reducing compound is added to the mass of the thermoplastic resin, and B represents a moisture permeability of an optical film in a case in which the thermoplastic resin is included and the moisture permeability-reducing compound is not added.

Abstract: The inventions are an optical film containing cellulose acylate and a compound having a structure denoted by General Formula (A) described below, and a polarizing plate and a liquid crystal display device employing the optical film. L represents n-valent connecting group, n represents an integer of greater than or equal to 2, and A represents a heterocyclic group denoted by General Formula (I). R1, R3, and R5 represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an aryl group, or a heteroaryl group. Here, any one of R1, R3, and R5 is bonded to L.

Abstract: There is provided an optical film comprising a layer formed on a base film by curing a curable composition containing the specific component (A) in an amount of 50 to 99% by mass and the specific component (B) in an amount of 1 to 50% by mass, based on the total solid content of the curable composition when the total solid content of the curable composition is set to 100% by mass.

Abstract: An optical film is provided containing cellulose acylate and at least one type of a compound denoted by the following Formula (I). R1 represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, a heterocyclic group, an acyl group, an alkoxy carbonyl group, a carbamoyl group, an alkyl sulfonyl group, or an aryl sulfonyl group, R2 represents an alkyl group or an aryl group, L represents a single bond or a bivalent or more connecting group, and n represents 1 when L is a single bond and n represents an integer of the valence of L?1 when L is a bivalent or more connecting group. s and t each independently represent 1 to 3, and X represents —O— or —N(Ra)-. Ra represents a hydrogen atom or an alkyl group.

Abstract: A resin of the present disclosure includes a resin and a compound represented by General Formula I below. wherein each of R1, R2, R3, R4, R5, R6, R7 and R8 represents a hydrogen atom, a halogen atom, a hydroxyl group, or an aliphatic hydrocarbon group having a carbon number within a range from 1 to 8, and X represents a divalent linking group constituted by at least one species selected from among a single bond, an ether bond, and an alkylene group having a carbon number within a range from 1 to 15.

Abstract: A copolymer includes a fumaronitrile residue represented by following General Formula I and an aromatic vinyl monomer residue represented by following General Formula II: wherein, in General-Formula II, R1 is a hydrogen atom, a methyl-group or a phenyl-group, and R2 is a hydrogen atom or a substituted or unsubstituted aryl-group having 6 to 12 carbon atoms, and each of R3, R4, R5, R6 and R7 independently represents a hydrogen atom, a halogen atom, a hydroxy-group, an alkoxy-group having 1 to 4 carbon atoms, an acyloxy-group having 2 to 5 carbon atoms, a cyanomethyl-group, or an alkyl-group having 1 to 8 carbon atoms, and at least two of R2, R3 and R4 may be bonded to form a ring, and at least two of arbitrary substituents of R3, R4, R5, R6 and R7 may be bonded to form a ring.

Abstract: There is provided a (meth)acrylic resin composition containing a (meth)acrylic resin, and a compound denoted by General Formula (1) described below, a film formed by using the (meth)acrylic resin composition, and a polarizing plate and a liquid crystal display device including the film: wherein R1 to R8 each independently represent a hydrogen atom, a halogen atom, a hydroxyl group, or a hydrocarbon group having 1 to 12 carbon atoms, X represents a divalent alicyclic group having 4 to 20 carbon atoms, the alicyclic group represented by X may have at least one substituent group selected from a halogen atom, an aliphatic hydrocarbon group having 1 to 12 carbon atoms, and an aromatic hydrocarbon group having 6 to 15 carbon atoms.

Abstract: A polarizing plate protective film containing an acrylic resin, in which the acrylic resin includes a methyl methacrylate unit a, a mass fraction of an alkyl (meth)acrylate unit b other than methyl methacrylate is less than 5 mass %, a weight average molecular weight is 250,000 to 4,000,000, and a weight decreasing amount at the time of being heated at 140° C. for 1 hour is less than or equal to 0.5%, has excellent heat resistance and an excellent surface shape; a dope composition; a method for manufacturing a polarizing plate protective film; a polarizing plate; and a liquid crystal display device.

Abstract: There is provided an optical film comprising a (meth)acrylic resin as a main component, a compound represented by the specific formula, and a rubber elastic body, and a method of manufacturing an optical film through a solution film-forming method, in which the optical film is composed of a (meth)acrylic resin as a main component, and contains a compound represented by the specific formula and a rubber elastic body, and a polarizing plate protective film having the optical film, and a polarizing plate having the polarizing plate protective film, and a liquid crystal display device provided with the polarizing plate.

Abstract: There is provided an optical film including a (meth)acrylic resin having a cyclic structure in its main chain as a main component, a compound represented by Formula (1) below, and a rubber elastic body: where each of R1 to R8 independently represents a hydrogen atom, a halogen atom, a hydroxyl group or a hydrocarbon group having 1 to 12 carbon atoms, X represents a divalent alicyclic group having 4 to 20 carbon atoms, and the alicyclic group represented by X may have at least one substituent selected from a halogen atom, an aliphatic hydrocarbon group having 1 to 12 carbon atoms and an aromatic hydrocarbon group having 6 to 15 carbon atoms.

Abstract: There is provided a (meth)acrylic resin composition, containing a (meth)acrylic resin; a compound denoted by General Formula (1) described below; and a specific compound: wherein R1 to R8 each independently represent a hydrogen atom, a halogen atom, a hydroxyl group, or a hydrocarbon group having 1 to 6 carbon atoms, R11 and R12 each independently represent a hydrogen atom, a halogen atom, or a hydrocarbon group having 1 to 12 carbon atoms, m and n each independently represent an integer of 0 to 4, in a case where m and n represent an integer of greater than or equal to 2, a plurality of R11's and R12's may be identical to each other or different from each other, at least two R11's, at least two R12's, or R11 and R12 may form a ring by being linked to each other.

Abstract: An optical film including cellulose acylate and a compound represented by General Formula (I) described below, a polarizing plate, and a liquid crystal display device; R1 and R3 represent hydrogen atoms, alkyl groups having 1 to 20 carbon atoms, cycloalkyl groups having 3 to 20 carbon atoms, alkenyl groups having 2 to 20 carbon atoms, or aromatic groups having 6 to 20 carbon atoms. R5 represents a hydrogen atom, an unsubstituted alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, or an aralkyl group represented by -L5-Ar5 (L5 represents an alkylene group having 1 to 20 carbon atoms and Ar5 represents an aromatic group having 6 to 20 carbon atoms). Here, the total of ring structures present in R1, R3, and R5 is one or two.

Abstract: There is provided a (meth)acrylic resin composition, containing a (meth)acrylic resin; a compound denoted by General Formula (1) described below; and a specific compound: wherein R1 to R8 each independently represent a hydrogen atom, a halogen atom, a hydroxyl group, or a hydrocarbon group having 1 to 6 carbon atoms, R11 and R12 each independently represent a hydrogen atom, a halogen atom, or a hydrocarbon group having 1 to 12 carbon atoms, m and n each independently represent an integer of 0 to 4, in a case where m and n represent an integer of greater than or equal to 2, a plurality of R11's and R12's may be identical to each other or different from each other, at least two R11's, at least two R12's, or R11 and R12 may form a ring by being linked to each other.

Abstract: There is provided a (meth)acrylic resin composition containing a (meth)acrylic resin, and a compound denoted by General Formula (1) described below, a film formed by using the (meth)acrylic resin composition, and a polarizing plate and a liquid crystal display device including the film: wherein R1 to R8 each independently represent a hydrogen atom, a halogen atom, a hydroxyl group, or a hydrocarbon group having 1 to 12 carbon atoms, X represents a divalent alicyclic group having 4 to 20 carbon atoms, the alicyclic group represented by X may have at least one substituent group selected from a halogen atom, an aliphatic hydrocarbon group having 1 to 12 carbon atoms, and an aromatic hydrocarbon group having 6 to 15 carbon atoms.

Abstract: A dope composition containing an acrylic resin having a weight average molecular weight of greater than or equal to 250,000; and an additive having a weight average molecular weight of less than 50,000, in which the acrylic resin includes a methyl methacrylate unit (a), and a mass fraction of an alkyl (meth)acrylate unit (b) other than methyl methacrylate is less than 5 mass %, has excellent manufacturing aptitude from the viewpoint of having a high drying speed and large breaking elongation at a time point of forming an un-stretched film, and enabling a crack at the time of being stretched to be suppressed, has a low haze value and an excellent surface shape at the time of preparing a polarizing plate protective film, and has excellent heat resistance; a polarizing plate protective film; a polarizing plate protective film manufacturing method; a polarizing plate; and a liquid crystal display device.

Abstract: To provide a cellulose acylate film having low moisture permeability and low haze, a polarizing plate, and a liquid crystal display device using the same. A cellulose acylate film comprising at least a cellulose acylate, and a compound represented by the formula (1) below: in the formula (1), R1 represents a hydrogen atom or substituent, R2 represents a substituent represented by the formula (2) below; n1 represents an integer of 0 to 4, when n1 is 2 or larger, the plurality of (R1)s may be same with or different from each other; n2 represents an integer of 1 to 5, when n2 is 2 or larger, the plurality of (R2)s may be same with or different from each other.

Abstract: A polarizing plate protective film containing an acrylic resin, in which the acrylic resin includes a methyl methacrylate unit a, a mass fraction of an alkyl (meth)acrylate unit b other than methyl methacrylate is less than 5 mass %, a weight average molecular weight is 250,000 to 4,000,000, and a weight decreasing amount at the time of being heated at 140° C. for 1 hour is less than or equal to 0.5%, has excellent heat resistance and an excellent surface shape; a dope composition; a method for manufacturing a polarizing plate protective film; a polarizing plate; and a liquid crystal display device.

Abstract: An optical film is provided containing cellulose acylate and at least one type of a compound denoted by the following Formula (I). R1 represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, a heterocyclic group, an acyl group, an alkoxy carbonyl group, a carbamoyl group, an alkyl sulfonyl group, or an aryl sulfonyl group, R2 represents an alkyl group or an aryl group, L represents a single bond or a bivalent or more connecting group, and n represents 1 when L is a single bond and n represents an integer of the valence of L?1 when L is a bivalent or more connecting group. s and t each independently represent 1 to 3, and X represents —O— or —N(Ra)-. Ra represents a hydrogen atom or an alkyl group.