Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring a good visibility and a good adhesion property to a hard coat layer, etc., for example, such as various kinds of optical films as members of liquid crystal displays as well as molding films. The laminated polyester film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film which is produced by applying a coating solution comprising a polyester resin having a naphthalene skeleton, a metal oxide, and an acrylic resin and/or a urethane resin, thereonto.

Abstract: The present invention provides a laminated polyester film which can be suitably used for extrusion lamination with polyolefins and comprises a coating layer having an excellent adhesion property to the polyolefins, in particular, a coating layer having a remarkably excellent adhesion property to polypropylene. The laminated polyester film of the present invention comprises a polyester film and a coating layer formed on a surface of the polyester film which is formed by applying a coating composition comprising (A) a modified polyolefin having two melting points or (B) a polyolefin copolymer comprising a propylene-based polymer and a hydrophilic polymer, and at least one crosslinking agent, and then drying the coating composition applied.

Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring a good visibility and a good adhesion property to a hard coat layer, etc., for example, such as various kinds of optical films as members of liquid crystal displays as well as molding films. The laminated polyester film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film which is produced by applying a coating solution comprising a polyester resin having a naphthalene skeleton, a metal oxide, and two or more kinds of crosslinking agents, thereonto.

Abstract: The present invention provides a polyester film which can be suitably used as an antireflective film, an optical film, etc., and comprises a coating layer capable of exhibiting excellent easy-bonding property and weather-resistant bonding property with respect to various topcoat agents to be applied thereonto. The laminated polyester film of the present invention comprises a coating layer which is formed of a coating solution comprising (A) an antistatic agent, (B) a compound having an isocyanate-based reactive group and a urethane bond, (C) a urethane resin having no isocyanate-based reactive group at a terminal end thereof, and (D) at least one crosslinking agent.

Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring a good visibility and a good adhesion property to a hard coat layer, etc., for example, such as various kinds of optical films as members of liquid crystal displays as well as molding films. The laminated polyester film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film which is produced by applying a coating solution comprising a polyester resin having a naphthalene skeleton, a metal oxide and an aromatic isocyanate compound thereonto.

Abstract: The present invention provides a polyester film which can be suitably used as an antireflective film, an optical film, etc., and comprises a coating layer capable of exhibiting excellent easy-bonding property and weather-resistant bonding property to various topcoat agents. The laminated polyester film of the present invention comprises a coating layer which is formed of a coating solution comprising (A) a compound having an isocyanate-based reactive group and a urethane bond, (B) a urethane resin and (C) at least one crosslinking agent.

Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring good adhesion to a micro-lens layer, a prism layer or the like, for example, in the optical applications such as a backlight unit for liquid crystal displays, etc. The laminated polyester film of the present invention comprises a polyester film, and (A) a coating layer comprising a urethane resin and an isocyanate compound derived from an aliphatic isocyanate or an alicyclic isocyanate or (B) a coating layer comprising a urethane resin having a polycarbonate structure and an isocyanate-based compound, which is formed on at least one surface of the polyester film.

Abstract: Provided is a method of reusably separating two adhered plates, including step 1 for firmly adhering two plates adhered to each other via a pressure-sensitive adhesive sheet or a curable resin layer to a first jig and a second jig, respectively, step 2 for detaching the two plates by moving at least one of the first jig and the second jig to produce a shear stress causing breakage of the pressure-sensitive adhesive sheet or the curable resin layer, and step 3 for removing the two plates after detachment from the jigs, wherein, in the aforementioned step 1, one or both of the plates is(are) firmly adhered to the jig(s) via a silicone pressure-sensitive adhesive sheet or porous pressure-sensitive is adhesive sheet. Using the method, two plates adhered to each other via a pressure-sensitive adhesive sheet or a curable resin layer can be stably and reusably detached by certainly fixing them by using jig fixtures.

Abstract: A workpiece composed of a glass plate and a display panel joined to each other via an adhesive sheet is suction-held on both surfaces thereof by a pair of upper and lower holding members. The glass plate is detached from the display panel through swinging downward one end of the lower holding member around a support shaft provided on the other end side thereof with an entire surface of the glass plate being held in a planar state with a suction surface of the lower holding member.

Abstract: Disclosed is a polyester film with a coating layer that has excellent appearance quality and antistatic properties. The coating layer is formed on the polyester film by applying a coating liquid to at least one surface of the polyester film and drying the coating liquid thereon. The coating liquid contains an electron conductive compound; at least one compound selected from the group consisting of a polyalkylene oxide, glycerol, a polyglycerol, and an alkylene oxide adduct of glycerol or polyglycerol, or at least one derivative thereof; and an epoxy crosslinking agent.

Abstract: The present invention provides an optical double-sided pressure-sensitive adhesive sheet excellent in reworkability, step absorbability and anti-foaming release property. The invention relates to an optical double-sided pressure-sensitive adhesive sheet including an acrylic pressure-sensitive adhesive layer which contains an acrylic polymer (X), wherein: the acrylic polymer (X) is formed from a monomer component including an alkyl(meth)acrylate having a linear or branched alkyl group having 1 to 14 carbon atoms in an amount of 50 to 100 wt % based on a total amount of the monomer component (100 wt %) forming the acrylic polymer (X), and a content of a polar group-containing monomer is 0 to 15.0 wt % based on the total amount thereof; and a gel fraction of the acrylic pressure-sensitive adhesive layer is from 20 to 74 wt %.

Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring good easy-slip property, anti-sticking property and antistatic property, for example, such as members constituting liquid crystal displays. The laminated polyester film of the present invention comprises a polyester film, a coating layer formed on one surface of the polyester film which comprises a resin and an antistatic agent but comprises substantially no particles, and has a variation in height of not less than 0.04 ?m as measured over the coating layer, and a coating layer formed on the other surface of the polyester film which comprises a resin.

Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring good easy-slip property and anti-sticking property, for example, such as members constituting liquid crystal displays. The laminated polyester film of the present invention comprises a polyester film, a coating layer formed on one surface of the polyester film which comprises a resin and particles in which a content by area ratio of the particles on a surface of the coating layer is in the range of 1 to 50%, and a coating layer formed on the other surface of the polyester film which comprises a resin.

Abstract: The object of the present invention is to provide a release film in which the oligomer precipitation from the film surfaces constituting the release film in the respective film processing steps such as an adhesive-applying step of, drying step and sticking step is reduced as possible and it can be attained to improve the continuous production of film. The above object is attained by a release film comprising: a polyester film, coating layers which is formed on both surfaces of said polyester film and comprises a polymer containing ammonium base, a polymer containing polyethylene glycol and a crosslinking agent, and at least one release layer formed on at least one surface of said coating layers.

Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring good easy-slip property, anti-sticking property and antistatic property, for example, such as members constituting liquid crystal displays. The laminated polyester film of the present invention comprises a polyester film, a coating layer formed on one surface of the polyester film which comprises a resin, particles and an antistatic agent, and a coating layer formed on the other surface of the polyester film which comprises a resin.

Abstract: The present invention provides an optical pressure-sensitive adhesive sheet which has low relative dielectric constant, does not cause white turbidity by humidification, and is excellent in corrosion resistance. The present invention relates to an optical pressure-sensitive adhesive sheet, comprising: a pressure-sensitive adhesive layer in which a relative dielectric constant at a frequency of 100 kHz is 4 or less, and a moisture ratio after storage under an environment of 60° C. and 95% RH for 120 hours is 0.65 wt % or more. The optical pressure-sensitive adhesive sheet preferably has a total light transmittance of 90% or more and a haze of 3% or less.

Abstract: The present invention provides a laminated polyester film which exhibits a good adhesion property to various adhesives, and can be suitably used in the applications in which a high total light transmittance is required, for example, as a member for protecting a polarizing plate of liquid crystal displays, in particularly, as a protective film disposed on a rear surface of a rear side polarizing plate. The laminated polyester film according to the present invention comprises a polyester film; a coating layer formed by applying a coating solution which comprises at least one resin selected from the group consisting of a polyester resin, an acrylic resin and a urethane resin, polyvinyl alcohol and an oxazoline compound, on one surface of the polyester film; and a coating layer formed on the other surface of the polyester film which has an absolute reflectance exhibiting one minimum value in a wavelength range of 300 to 800 nm wherein the minimum value is not more than 3.5%.

Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications in which it is required to exhibit a good adhesion property to various adhesives and has a good bonding property to various surface functional layers, for example, as a member for protecting a polarizing plate of liquid crystal displays, in particularly, as a protective film disposed on a front surface of a front side polarizing plate. The laminated polyester film according to the present invention comprises a polyester film; a first coating layer formed by applying a coating solution which comprises polyvinyl alcohol, an oxazoline compound and at least one resin selected from the group consisting of a polyester resin, an acrylic resin and a urethane resin, on one surface of the polyester film; and a second coating layer formed on the other surface of the polyester film which comprises at least one resin selected from the group consisting of a polyester resin, an acrylic resin and a urethane resin.

Abstract: The present invention provides a both surfaces-laminated polyester film having a coating layer excellent in easy adhesion property to a hard coat layer and another coating layer having an ability of preventing precipitation of oligomer. A both surfaces-laminated polyester film comprising: a polyester film, a first coating layer which is formed on one surface of said polyester film and comprises a polymer containing ammonium base, an acrylate polymer containing polyethylene glycol and a crosslinking agent, and a second coating layer which is formed on another surface of said polyester film and comprises a polyurethane resin and a crosslinking agent.

Abstract: The present invention provides an optical pressure-sensitive adhesive sheet excellent in the productivity, and is reduced in the remaining of an air bubble after an autoclave treatment or the generation of a delayed bubble when laminating the optical pressure-sensitive adhesive sheet to an optical member. The present invention relates to an optical pressure-sensitive adhesive sheet, which comprises an acrylic pressure-sensitive adhesive layer, wherein the acrylic pressure-sensitive adhesive layer is formed by an active energy ray polymerization, a gel fraction of the acrylic pressure-sensitive adhesive layer is 80 wt % or less, and a content of a component having a molecular weight of 50,000 or less in a sol matter of the acrylic pressure-sensitive adhesive layer is 20 wt % or less.