Abstract: The polymer film comprises a carbonyl bond-containing polymer and a compound having ?h of equal to or higher than 11.0 and ?? of equal to or lower than 1.50, wherein the ?h is a value of hydrogen-bonding capacity calculated by Hoy method and the ?? is a value calculated by equation 1: ??=|x?13.3|??Equation 1 wherein, in equation 1, ? represents an interatomic distance in the polymer film between atoms most distant from each other among molecules in the compound, excluding a hydrogen atom, calculated by molecular dynamics calculation.

Abstract: The cellulose acylate film includes a compound denoted by formula 1 below: wherein, in formula 1, Het denotes an optionally substituted aromatic hetero ring; X1 denotes a single bond or a group selected from the group consisting of —O—, —NR2—, —CR3R4—, —S—, and —CO—; each of R2, R3, and R4 independently denotes a hydrogen atom or a substituent; R1 denotes a partial structure of valence n, with n denoting an integer greater than or equal to 1; wherein the compound includes at least one group selected from the group consisting of —NH— and —CO— per molecule, and at least one group selected from the group consisting of —X2—(C?X4)—X3—, —NR5—(SO2)—, —CO—NR6—CO—, —O—, —S—, —COOH, —CN, —NR7R8, —OH, and —SH per molecule.

Abstract: A cellulose acylate film, which includes a compound denoted by general formula (I) below, the equivalent U of which, calculated as a value obtained by dividing the molecular weight of the compound by the number of divalent linking groups denoted by —O—C(?O)—NH— contained per molecule, is less than or equal to 515, wherein, in general formula (I), each of L11 and L21 independently denotes an optionally substituted alkylene group; each of L12 and L22 independently denotes a single bond, any one of or any combination of —O—, —NR1—, —S— and —C(?O)—; R1 denotes a hydrogen atom or a substituent; each of n1 and n2 independently denotes an integer of 0 to 20, with at least either n1 or n2 being an integer of greater than or equal to 1.

Abstract: A polarizer protective film having a cellulose acylate film containing a cellulose acylate and a hindered amine compound in an amount of at least 0.01% by mass relative to the cellulose acylate, and, as laminated on the cellulose acylate film, an active energy ray-curable layer, wherein the hindered amine compound has a piperidine skeleton represented by the following formula (1): wherein X represents an alkyl or aryl group; Y represents a hydrogen atom or a substituent; R1 to R4 represent an alkyl group.

Abstract: A film containing a cellulose acylate, a hindered amine compound at least 0.001% by mass relative to the cellulose acylate, and a plasticizer, satisfying: (i) the concentration C1 of the hindered amine compound 3 ?m from the first film surface is higher than the concentration C2 3 ?m from the second film surface; (ii) the concentration A of the plasticizer 3 ?m from the first film surface is lower than the concentration B 10 ?m from the first film surface; (iiia) the 15 acyl substitution degree a of the cellulose acylate 3 ?m from the first film surface is lower than the acyl substitution degree b 10 ?m from the first film surface; and (iiib) the 20 weight-average molecular weight Ma of the cellulose acylate 3 ?m from the first film surface is higher than the weight-average molecular weight Mb 10 ?m from the first film surface.

Abstract: An optical film, containing a cellulose acylate, and at least one compound represented by any of formulas (I) to (III): wherein, in formulas (I) to (III), R1 and R2 each independently represent a halogen atom, an alkyl, cycloalkyl, alkenyl, aryl, hydroxy, hydroxyamino, amino, alkylamino, arylamino, alkoxy, aryloxy, alkylthio, or arylthio group (however, R1 and R2 do not represent an amino, alkylamino, or arylamino group at the same time); R3 to R6 each independently represent a hydrogen atom, an alkyl, cycloalkyl, alkenyl, aryl, acyl, alkyl- or aryl-sulfonyl, alkyl- or aryl-sulfinyl, carbamoyl, sulfamoyl, alkoxycarbonyl, or aryloxycarbonyl group; R7 represents an alkyl, cycloalkyl, alkenyl, aryl, alkylamino, arylamino, alkoxy, aryloxy, or heterocyclic group; R8 represents an alkyl, cycloalkyl, alkenyl, aryl, or heterocyclic group; and R1 to R8 each may be further substituted with a substituent; and a polarizing plate and a liquid crystal display.

Abstract: There is provided a cellulose acylate film, containing a hindered amin-based compound, wherein the hindered amine-based compound is contained in an amount of 0.001% by mass to 5% by mass based on cellulose acylate, a minimum value of Knoop hardness is 170 N/mm2 to 220 N/mm2, and the Knoop hardness is measured several times by a Knoop indenter, the Knoop indenter is rotated by a given angle in each measurement, and a rotation axis of the Knoop indenter is orthogonal to an upper surface of the cellulose acylate film.

Abstract: Provided is a polymer film containing at least one of a compound represented by formula (1) of hydrates, solvates, or salts thereof. Y is a methine group or nitrogen atom. Qa, Qb, and Qc are a single bond or a divalent linking group. Ra, Rb, and Rc, are hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, cyano group, halogen group, or heterocyclic group. X2 is a single bond or a divalent linking group. X1 is a single bond or a predetermined divalent linking group.

Abstract: Provided is a polymer film containing at least one of a compound represented by formula (1) of hydrates, solvates, or salts thereof. Y is a methine group or nitrogen atom. Qa, Qb, and Qc are a single bond or a divalent linking group. Ra, Rb, and Rc, are hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, cyano group, halogen group, or heterocyclic group. X2 is a single bond or a divalent linking group. X1 is a single bond or a predetermined divalent linking group. R1 and R2 are a hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, or heterocyclic group.

Abstract: Disclosed is a polymer film excellent in performance of inducing Rth.

Abstract: Provided is a polymer film containing at least one of a compound represented by formula (1) of hydrates, solvates, or salts thereof. Y is a methine group or nitrogen atom. Qa, Qb, and Qc are a single bond or a divalent linking group. Ra, Rb, and Rc, are hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, cyano group, halogen group, or heterocyclic group. X2 is a single bond or a divalent linking group. X1 is a single bond or a predetermined divalent linking group.

Abstract: A novel optical compensatory sheet comprising an optically anisotropic layer comprising at least one liquid crystal compound, at least one cellulose ester, and at least one polymer A comprising at least one repeating unit derived from a monomer having a fluoro-aliphatic group, and at least one repeating unit having a group selected from the group consisting of carboxyl group (—COOH) or a salt thereof, a sulfo group (—SO3H) or a salt thereof and a phosphonoxy group {—OP(?O) (OH)2} or a salt thereof, is disclosed. A novel optical compensatory sheet comprising an optically anisotropic layer comprising at lest one liquid crystal compound at least one polymer C, having a weight average molecular weight of not less than 5000 and less than 20000, represented by a formula (1b), and at least one polymer D, having a weight average molecular weight of not less than 20000, represented by a formula (1b), is also disclosed.

Abstract: A resin film including a resin and an organic acid represented by the following formula (1), wherein the ratio of the organic acid to the resin is from 0.1 to 20% by mass: X-L-(R1)n??Formula (1).

Abstract: A resin film containing a resin and from 0.01% by mass to 20% by mass, relative to the resin, of an organic acid satisfying (1) The organic acid comprises structure in which a polyalcohol bonds to a polycarboxylic acid via an ester bond, (2) The total number of the molecules of the polyalcohol and the polycarboxylic acid forming the organic acid is at least 3, and (3) The organic acid has at least one unsubstituted carboxylic acid derived from the polycarboxylic acid.

Abstract: Disclosed is a polymer film excellent in performance of inducing Rth.

Abstract: A resin film including a resin and an organic acid represented by the following formula (1), wherein the ratio of the organic acid to the resin is from 0.1 to 20% by mass: X-L-(R1)n??Formula (1).

Abstract: A resin film including a resin and an organic acid represented by the following formula (1), wherein the ratio of the organic acid to the resin is from 0.

Abstract: A polymer film, containing a merocyanine compound having ?max of not longer than 375 nm, and a compound represented by formula (II), which is different from said at least one merocyanine compound, is disclosed. In the formula, R1 and R2 each independently represent a hydrogen atom, alkyl group, aryl group, heterocyclic group, cyano, N-alkyl- or N-aryl carbamoyl group, aryloxy carbonyl group or —CH2COOR5, or R1 and R2 bind to each other to form a ring containing a nitrogen atom; R5 represents an alkyl group, aryl group or a heterocyclic group; R3 and R4 each independently represent a substituent having a Hammett substituent constant ?p of equal to or more than 0.2, or R3 and R4 bind to each other to form a cyclic active methylene compound structure.

Abstract: A polymer film includes: a wavelength dispersion regulator represented by formula (I): wherein R1 and R2 each independently represents a hydrogen atom, an alkyl group or an aryl group, provided that both R1 and R2 are not hydrogen atoms at the same time; and R3 and R4 each independently represents an electron-withdrawing substituent, and R1 and R2, or R3 and R4 may be bonded together to form a ring, and wherein the polymer film has a retardation value that satisfies the following formulae (1) and (2): 70 nm?Rth(548)?300 nm??Formula (1) Rth(628)<Rth(548)<Rth(446)??Formula (2) wherein Rth(?) represents a retardation value expressed in nm in a film thickness direction measured at a wavelength of ? nm.

Abstract: A polarizer protective film having a cellulose acylate film containing a cellulose acylate and a hindered amine compound in an amount of at least 0.01% by mass relative to the cellulose acylate, and, as laminated on the cellulose acylate film, an active energy ray-curable layer, wherein the hindered amine compound has a piperidine skeleton represented by the following formula (1): wherein X represents an alkyl or aryl group; Y represents a hydrogen atom or a substituent; R1 to R4 represent an alkyl group.