Abstract: It is provided that a method for producing a biaxially oriented polyester film that can be used for industrial and packaging applications. A method for producing a biaxially oriented polyester film, comprising: a step of feeding a polyester resin into an extruder, a step of extruding the molten polyester resin from an extruder to obtain a molten resin sheet at 250 to 310° C., a step of attaching the molten resin sheet closely to a cooling roll by an electrostatic application method to obtain an unstretched sheet, and a step of biaxially stretching the unstretched sheet, wherein the polyester resin fulfills the following (A) to (C): (A) the polyester resin comprises a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol; (B) an intrinsic viscosity of the polyester resin is 0.50 dL/g or more; (C) a melt specific resistance value at 250° C. of the polyester resin is 3.0×107 ?·cm or less.

Abstract: It is provided that a method for producing a biaxially oriented polyester film that can be used for industrial and packaging applications. A method for producing a biaxially oriented polyester film, comprising: a step of feeding a polyester resin into an extruder, a step of extruding the molten polyester resin from an extruder to obtain a molten resin sheet at 250 to 310° C., a step of attaching the molten resin sheet closely to a cooling roll by an electrostatic application method to obtain an unstretched sheet, and a step of biaxially stretching the unstretched sheet, wherein the polyester resin fulfills the following (A) to (C): (A) the polyester resin comprises a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol; (B) an intrinsic viscosity of the polyester resin is 0.50 dL/g or more; (C) a melt specific resistance value at 250° C. of the polyester resin is 3.0×107 ?·cm or less.

Abstract: To provide a furandicarboxylate unit-containing polyester film usable for industrial and packaging purposes. The film of the present invention is a polyester film, which is a biaxially oriented film of a polyester resin including a dicarboxylic acid component containing mainly a furandicarboxylic acid and a glycol component containing mainly ethylene glycol, wherein the film has a plane orientation coefficient ?P of not less than 0.005 and not more than 0.200 and a film thickness of not thinner than 1 micro meter and not thicker than 300 micro meters.

Abstract: To provide a furandicarboxylate unit-containing polyester film usable for industrial and packaging purposes. The film of the present invention is a polyester film, which is a biaxially oriented film of a polyester resin including a dicarboxylic acid component containing mainly a furandicarboxylic acid and a glycol component containing mainly ethylene glycol, wherein the film has a plane orientation coefficient AP of not less than 0.005 and not more than 0.200 and a film thickness of not thinner than 1 micro meter and not thicker than 300 micro meters.

Abstract: A transparent conductive film roll which has a transparent conductive layer on at least one surface thereof and has an excellent distribution uniformity of surface resistance in longitudinal and lateral directions thereof wherein the distribution uniformity D of surface resistance defined by the following expression (1) is 0.2 or less when the surface resistance of the transparent conductive layer is measured at a total of 33 points within the film roll, and therefore, is suitable especially for a large panel, D=(Rmax?Rmin)/(Rmax+Rmin)??(1) where Rmax and Rmin represent the maximum and minimum values of 33 surface resistance measurement values.

Abstract: The present invention provides a laminated thermoplastic resin film which is excellent in adhesion and blocking resistance. A laminated thermoplastic resin film has a covering layer containing a copolymerized polyester resin and a polyurethane resin on one side or both sides of a thermoplastic resin film, characterized in that the covering layer has a microphase-separated or nanophase-separated structure in polyester (PE) phase A comprising a copolymerized polyester resin as a main component and polyurethane (PU) phase B comprising a polyurethane resin as a main component, and when the covering layer is observed by a scanning probe microscopy in phase measurement mode, an area ration (surface fraction of PEs) of polyester phase A (which indicates a dark phase in phase image) of the surface of the covering layer defined by following the formula (1) is 35% or more and less than 90% per 20 a measurement area of 5 ?m×5 ?m. Surface fraction of PEs (%)=(area of PEs phase A/measurement area)×100.

Abstract: A readily-adhesive polyester film for optical applications that suppresses rainbow reflections under fluorescent lamps and has excellent adhesion to a hard coating layer and exhibits excellent adhesion at high temperatures and high humidities (resistance to humidity and heat) includes a biaxially-stretched polyester film and a coating layer that is stacked on at least one side of the polyester film and produced by applying to at least one side of the polyester film an aqueous coating liquid containing a resin composition including (A) an aqueous polyester resin and (B) at least one compound that is a water-soluble titanium chelate compound, a water-soluble titanium acylate compound, a water-soluble zirconium chelate compound or a water-soluble zirconium acylate compound as main components. The mixing ratio (A)/(B) is from 10/90 to 95/5 by weight. After that the coating is dried and then stretched in at least one direction.

Abstract: A transparent conductive film roll which has a transparent conductive layer on at least one surface thereof and has an excellent distribution uniformity of surface resistance in longitudinal and lateral directions thereof wherein the distribution uniformity D of surface resistance defined by the following expression (1) is 0.2 or less when the surface resistance of the transparent conductive layer is measured at a total of 33 points within the film roll, and therefore, is suitable especially for a large panel, D=(Rmax?Rmin)/(Rmax+Rmin)??(1) where Rmax and Rmin represent the maximum and minimum values of 33 surface resistance measurement values.

Abstract: A transparent conductive film roll which has a transparent conductive layer on at least one surface thereof and has an excellent distribution uniformity of surface resistance in longitudinal and lateral directions thereof wherein the distribution uniformity D of surface resistance defined by the following expression (1) is 0.2 or less when the surface resistance of the transparent conductive layer is measured at a total of 33 points within the film roll, and therefore, is suitable especially for a large panel, D=(Rmax?Rmin)/(Rmax+Rmin) ??(1) where Rmax and Rmin represent the maximum and minimum values of 33 surface resistance measurement values.

Abstract: [PROBLEMS] The present invention provides a laminated thermoplastic resin film which is excellent in adhesion and blocking resistance. [MEANS FOR SOLVING PROBLEMS] A laminated thermoplastic resin film has a covering layer containing a copolymerized polyester resin and a polyurethane resin on one side or both sides of a thermoplastic resin film, characterized in that the covering layer has a microphase-separated or nanophase-separated structure in PEs phase A comprising a copolymerized PE resin as a main component and PU phase B comprising a PU resin as a main component, and when the covering layer is observed by a scanning probe microscopy in phase measurement mode, an area ratio (surface fraction of PEs) of PEs phase A (which indicates a dark phase in phase image) of the surface of the covering layer defined by following formula (1) is 35% or more and less than 90% per a measurement area of 5 ?m×5 ?m.

Abstract: The near-infrared ray absorption film of the present invention is a near-infrared ray absorption film in which a near-infrared ray absorption layer comprising a composition containing a near-infrared ray absorbing dye having maximum absorption at a wavelength of 800 to 1200 nm, and a resin is provided on a transparent substrate film, and is characterized that a surfactant having HLB of 2 to 12 is contained in the composition at 0.01 to 2.0% by mass. There can be provided a near-infrared ray absorption film excellent in coated film appearance which has the wide absorbing ability in the near-infrared ray absorbing region, has a high light transmittance in the visible light region, has little change in optical properties with time, and can respond to a higher luminance of a display, and higher-definition and higher image quality by Hi-Vision broadcasting in recent years.

Abstract: A readily-adhesive polyester film for optical applications that suppresses rainbow reflections under fluorescent lamps and has excellent adhesion to a hard coating layer and exhibits excellent adhesion at high temperatures and high humidities (resistance to humidity and heat) includes a biaxially-stretched polyester film and a coating layer that is stacked on at least one side of the polyester film and produced by applying to at least one side of the polyester film an aqueous coating liquid containing a resin composition including (A) an aqueous polyester resin and (B) at least one compound that is a water-soluble titanium chelate compound, a water-soluble titanium acylate compound, a water-soluble zirconium chelate compound or a water-soluble zirconium acylate compound as main components. The mixing ratio (A)/(B) is from 10/90 to 95/5 by weight. After that the coating is dried and then stretched in at least one direction.

Abstract: A transparent conductive film roll which has a transparent conductive layer on at least one surface thereof and has an excellent distribution uniformity of surface resistance in longitudinal and lateral directions thereof wherein the distribution uniformity D of surface resistance defined by the following expression (1) is 0.

Abstract: A laminated polyester film in which a coating layer whose main constituent component is a water-soluble or water-dispersible resin is provided on at least one side of a polyester film, wherein the water resistance value of the film is at least 90%, the discoloration after melt molding is no more than 10, and the haze value change after heating is no more than 20%. Adhesion, water resistance, recoverability, and whitening resistance after heating are all excellent.

Abstract: The present invention provides a coated polyester film consisting of a polyester film having opacity as shown by an optical density of not less than 0.3, and a coating layer formed on at least one surface of this polyester film, wherein a surface of this coating layer shows a 60-degree specular glossiness G1 and a 75-degree specular glossiness G2, that satisfy the following formulas (1) and (2): G1≦20  (1) 1<G2/G1≦4  (2).

Abstract: The present invention provides a multi-layer resin film having excellent oxygen gas barrier properties, particularly even at high humidity, and further having no chlorine content. The multi-layer resin film of the present invention has a biaxially-stretched polypropylene resin film, an adhesive layer formed on at least one surface of the polypropylene resin film, and a polyvinyl alcohol resin layer formed on the adhesive layer, wherein the polyvinyl alcohol resin layer has a value of crystallinity parameter (CP (M//) ⊥) not less than 0.8. The multi-layer resin film of the present invention can be prepared by forming an adhesive layer on at least one surface of an unstretched polypropylene resin film; stretching the film in one direction; forming a polyvinyl alcohol resin layer on the adhesive layer; and stretching the film in another direction perpendicular to the direction of previous stretching.

Abstract: A polyamide film satisfying (a) a haze value of not more than 5.0%, (b) a coefficient of kinetic friction (A) of not more than 1.0 under 50% humidity, the coefficient (A) being measured with regard to fiction between the same two polyamide films, and (c) a ratio of coefficients of kinetic friction (B)/(A) of not more than 1.5, the (B) being a coefficient of kinetic friction at 65% humidity, a billy oriented polyamide film showing an average dimensional change of not more than 3.0% and a difference between the smallest dimensional change and the largest dimensional change of not more than 2.0%, between before immersion in hot water at 95° C. and during the immersion, and an average dimensional change of not more than 4.0% and a difference between the smallest dimensional change and the largest dimensional change of not more than 2.0%, between the film without treatment and the film after withdrawal from said hot water; and a polyamide laminate film containing the film as a substrate layer.

Abstract: The present invention provides a multi-layer resin film having excellent oxygen gas barrier properties, particularly even at high humidity, and further having no chlorine content. The multi-layer resin film of the present invention has a biaxially-stretched polypropylene resin film, an adhesive layer formed on at least one surface of the polypropylene resin film, and a polyvinyl alcohol resin layer formed on the adhesive layer, wherein the polyvinyl alcohol resin layer has a value of crystallinity parameter (CP (M//) ⊥) not less than 0.8. The multi-layer resin film of the present invention can be prepared by forming an adhesive layer on at least one surface of an unstretched polypropylene resin film; stretching the film in one direction; forming a polyvinyl alcohol resin layer on the adhesive layer; and stretching the film in another direction perpendicular to the direction of previous stretching.

Abstract: Heat-shrinkable polyester films suitable for label use, wherein the value of tan &dgr; for dynamic viscoelasticity in a main shrinkage direction of the film is 0.15 or higher at 65° C. and takes a maximum of 0.40 or higher at a temperature of 65° C. to 100° C. both inclusive, and the heat shrinkability in the main shrinkage direction of the film after treatment in hot water at 80° C. for 10 seconds is 30% or higher, have excellent shrinkage characteristics over a wide range of temperature extending from low temperatures to high temperatures, particularly in the low temperature range, which may cause only rare occurrence of shrinkage spots, wrinkles, strains, longitudinal sinking, and other defects during heat shrinkage, and which may further have excellent break resistance.

Abstract: The present invention provides a coated polyester film consisting of a polyester film having opacity as shown by an optical density of not less than 0.