Abstract: Provided is a resin composition containing: a thermoplastic resin having a polar group; and a heterocyclic compound containing two or more heteroatoms, wherein the resin composition exhibits a different behavior in elastic strength with a glass transition temperature as a boundary.

Abstract: Provided is a resin composition containing: a thermoplastic resin having a polar group; and a heterocyclic compound containing two or more heteroatoms, wherein the resin composition exhibits a different behavior in elastic strength with a glass transition temperature as a boundary.

Abstract: A retardation film containing (a) at least one cellulose derivative selected from the group consisting of methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, cyanoethyl cellulose, triacetyl cellulose, diacetyl cellulose, cellulose acetate propionate, cellulose acetate butyrate, cellulose acetate phthalate, cellulose acetate trimellitate and cellulose nitrate, wherein the cellulose derivative has a total acyl group substitution degree of 2.0 to 2.8; and (b) an esterified compound in which all or a part of the OH groups in a compound (A) or in a compound (B) are esterified by at least one aromatic monocarbolyxic acid, wherein the compound (A) comprises one of a furanose structure and a pyranose structure, and the compound (B) comprises two to twelve of at least one of a furanose structure and a pyranose structure, which are bonded in the compound (B).

Abstract: With regard to an IPS liquid crystal display device in which a phase difference film is used as a polarizing plate protection film at the liquid crystal cell side of a polarizing plate, which is arranged at the viewing side of IPS liquid crystal cell, to provide a means for improving the re-workability of the phase difference film at production of the display device. The IPS mode liquid crystal display device according to the present invention has an IPS mode liquid crystal cell and a first polarizing plate and a second polarizing plate, which sandwich the IPS mode liquid crystal cell.

Abstract: A retardation film containing (a) at least one cellulose derivative selected from the group consisting of methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, cyanoethyl cellulose, triacetyl cellulose, diacetyl cellulose, cellulose acetate propionate, cellulose acetate butyrate, cellulose acetate phthalate, cellulose acetate trimellitate and cellulose nitrate, wherein the cellulose derivative has a total acyl group substitution degree of 2.0 to 2.8; and (b) an esterified compound in which all or a part of the OH groups in a compound (A) or in a compound (B) are esterified by at least one aromatic monocarbolyxic acid, wherein the compound (A) comprises one of a furanose structure and a pyranose structure, and the compound (B) comprises two to twelve of at least one of a furanose structure and a pyranose structure, which are bonded in the compound (B).

Abstract: The cellulose ester film contains a cellulose ester(s) having substitution(s) by an acyl group(s) having 3 to 4 carbon atoms, or an acyl group(s) having 2 carbon atoms and an acyl group(s) having 3 to 4 carbon atoms, the cellulose ester having a total degree of substitution with the acyl group(s) of not less than 1.0 and less than 2.0 and sufficing a weight average molecular weight of not more than 150000; a sugar ester compound(s) having not less than one and not more than 12 sugar unit structures, the sugar unit structure being at least one of a pyranose structure or furanose structure, wherein an average percentage of substitution in the sugar unit structure is 35% to 75%; and the cellulose ester film having a film thickness of i0 to 35 ?m. The cellulose ester film is used for polarizing plates and liquid crystal displays equipped.

Abstract: A retardation film, contains: a cellulose derivative; and an esterified compound in which all or a part of OH groups in a compounds (A) containing one of a furanose structure and a pyranose structure or in a compound (B) in which 2 to 12 of at lease of a furanose structure and a pyranose structure are bonded, are esterified.

Abstract: An object of this invention is to provide a cellulose ester film which satisfies the requirement 0.95<plasticizer content of A surface/plasticizer content of B surface<1.05, provided that A surface represents one surface of the cellulose ester film and B surface represents the other surface, has a high sound velocity of the film and is excellent in light leakage and color unevenness, and a film-forming method of this cellulose ester film. The cellulose ester film of the present invention, which contains a cellulose ester, is characterized by satisfying the requirement 0.95<plasticizer content of A surface/plasticizer content of B surface<1.05, provided that A surface represents one surface of the cellulose ester film and B surface represents the other surface, and having a sound velocity along at least one of a film transport direction and the lateral direction at 23.° C. 55% RH of 2.0-2.7 km/s.

Abstract: With regard to an IPS liquid crystal display device in which a phase difference film is used as a polarizing plate protection film at the liquid crystal cell side of a polarizing plate, which is arranged at the viewing side of IPS liquid crystal cell, to provide a means for improving the re-workability of the phase difference film at production of the display device. The IPS mode liquid crystal display device according to the present invention has an IPS mode liquid crystal cell and a first polarizing plate and a second polarizing plate, which sandwich the IPS mode liquid crystal cell.

Abstract: A retardation film comprising a cellulose derivative and a plasticizer, wherein a total haze, Htotal, of the retardation film meets the following condition: 0.1%?Htotal?0.4%; and a ratio of a internal haze, Hi, to the total haze, Hi/Htotal, of the retardation film meets the following condition: Hi/Htotal?0.5.

Abstract: [Object] To provide cellulose ester films having high transmittance, and polarizing plates with less deterioration at the time when durability is tested and liquid crystal displays having high contrast, both of which comprise such cellulose ester films. [Means for Solving the Problems] Cellulose ester films comprising a cellulose ester(s) having substitution(s) by an acyl group(s) having 3 to 4 carbon atoms, or an acyl group(s) having 2 carbon atoms and an acyl group(s) having 3 to 4 carbon atoms, the cellulose ester having a total degree of substitution with the acyl group(s) of not less than 1.0 and less than 2.0 and sufficing a weight average molecular weight of not more than 150000; and a sugar ester compound(s) having not less than one and not more than 12 sugar unit structures, the sugar unit structure being at least one of a pyranose structure or furanose structure, wherein an average degree of substitution is 2.8 to 6.

Abstract: A polarizing plate protective film comprising a cellulose ester, and a saccharide ester compound in which all or a part of OH groups in Compound (A) or in Compound (B) are esterified, wherein Compound (A) consists of one of a furanose structure and a pyranose structure, and Compound (B) consists of two to twelve of at least one type of a furanose structure and a pyranose structure which are bonded in Compound (B); wherein the polarizing plate protective film exhibits Ro of 0-10 nm and Rt of ?30 to +20 nm.

Abstract: An object of this invention is to provide a cellulose ester film which satisfies the requirement 0.95<plasticizer content of A surface/plasticizer content of B surface<1.05, provided that A surface represents one surface of the cellulose ester film and B surface represents the other surface, has a high sound velocity of the film and is excellent in light leakage and color unevenness, and a film-forming method of this cellulose ester film. The cellulose ester film of the present invention, which contains a cellulose ester, is characterized by satisfying the requirement 0.95<plasticizer content of A surface/plasticizer content of B surface<1.05, provided that A surface represents one surface of the cellulose ester film and B surface represents the other surface, and having a sound velocity along at least one of a film transport direction and the lateral direction at 23.° C. 55% RH of 2.0-2.7 km/s.

Abstract: A polarizer protective film comprising: a cellulose ester; a saccharide ester having an ester of compound (A), the compound (A) having one furanose structure or one pyranose structure in the molecule, wherein all or a part of OH groups in the compound (A) are esterified, or an ester of compound (B), the compound (B) having two to twelve of at least one of a furanose structure and a pyranose structure bonded in the molecule, wherein all or a part of OH groups in the compound (B) are esterified; and a compound represented by Formula (R) or (Ra):

Abstract: An object of this invention is to provide a cellulose ester film which satisfies the requirement 0.95<plasticizer content of A surface/plasticizer content of B surface<1.05, provided that A surface represents one surface of the cellulose ester film and B surface represents the other surface, has a high sound velocity of the film and is excellent in light leakage and color unevenness, and a film-forming method of this cellulose ester film. The cellulose ester film of the present invention, which contains a cellulose ester, is characterized by satisfying the requirement 0.95<plasticizer content of A surface/plasticizer content of B surface<1.05, provided that A surface represents one surface of the cellulose ester film and B surface represents the other surface, and having a sound velocity along at least one of a film transport direction and the lateral direction at 23.° C. 55% RH of 2.0-2.7 km/s.

Abstract: A cellulose ester film comprising a compound represented by Formula (1): Formula (1) B-(G-A)n-G-B, wherein B represents a benzene monocarboxylic acid residue; G represents an alkylene glycol residue having 2-12 carbon atoms, an aryl glycol residue having 6-12 carbon atoms, or an oxyalkylene glycol residue having 4-12 carbon atoms; A represents an alkylene dicarboxylic acid residue having 4-12 carbon atoms or an aryldicarboxylic acid residue having 6-12 carbon atoms; and n represents an integer of 1 or more.

Abstract: A retardation film which contains a cellulose derivative and a plasticizer wherein the thickness of the film is 10 to 50 ?m, Ro in Equation (i) is in the range of 30 to 100 nm, Rt in Equation (ii) is in the range of 100 to 300 nm, and S in Equation (iii) is 0.0002 or more but not exceeding 0.030. Ro=(nx?ny)×d??Equation (i) Rt=S×d??Equation (ii) S=((nx+ny)/2?nz)??Equation (iii) (where “nx” is a maximum refraction index of the film surface, “ny” is a refraction index in the direction perpendicular to “nx,” “nz” is a refraction index along the thickness of the film, and “d” is the thickness of the film.

Abstract: A retardation film comprising a cellulose derivative and a plasticizer, wherein a total haze, Htotal, of the retardation film meets the following condition: 0.1%?Htotal?0.4%; and a ratio of a internal haze, Hi, to the total haze, Hi/Htotal, of the retardation film meets the following condition: Hi/Htotal?0.5.

Abstract: A method for producing a roll of an optical compensation film, in the effective width of which an angle of the slow axis in the film face with the width direction of the film is within the range of ±1° and an angle of the fast axis in the film face with the length direction of the film is within the range of ±1°, wherein the angle of the fast axis in the film face with the length direction is cyclically varied by a cycle of from 1.5 m to 500 m in the length direction of the film and the minimum amplitude of the variation is within the range of from 0.1° to 1°.

Abstract: A polarizing plate protective film comprising a cellulose ester, and a saccharide ester compound in which all or a part of OH groups in Compound (A) or in Compound (B) are esterified, wherein Compound (A) consists of one of a furanose structure and a pyranose structure, and Compound (B) consists of two to twelve of at least one type of a furanose structure and a pyranose structure which are bonded in Compound (B); wherein the polarizing plate protective film exhibits Ro of 0-10 nm and Rt of ?30 to +20 nm.