Patent application number | Description | Published |
20080213583 | Electrically-Conductive Laminated Film, Touch Panel Electrode Plate, Touch Panel, and Pressure-Sensitive Adhesive for Use in Electrically-Conductive Laminated Film - An electrically-conductive laminated film of the invention comprises a first transparent substrate having first and second surfaces; an electrically-conductive film comprising a second transparent substrate having first and second surfaces and a transparent electrically-conductive thin layer provided on the first surface of the second transparent substrate; and a pressure-sensitive adhesive layer, wherein the first transparent substrate and the electrically-conductive film are arranged in such a manner that the second surface of the first transparent substrate is opposed to the second surface of the second transparent substrate, wherein the first transparent substrate and the electrically-conductive film are bonded to each other with the pressure-sensitive adhesive layer interposed therebetween; wherein each of the first and second transparent substrates is formed of a plastic material, wherein the pressure-sensitive adhesive layer is formed of a pressure-sensitive adhesive comprising an acrylic polymer comprising 1 to 35% by weight of a methyl (meth)acrylate monomer unit, 60 to 98% by weight of an alkyl (meth)acrylate monomer unit having an alkyl group of 2 to 12 carbon atoms, and 0.1 to 10% by weight of a functional group-containing monomer unit. The electrically-conductive laminated film can suppress to become the pressure-sensitive adhesive layer a pear skin appearance. | 09-04-2008 |
20080274272 | ANTISTATIC OPTICAL FILM, METHOD FOR MANUFACTURING THE SAME AND IMAGE VIEWING DISPLAY - An antistatic optical film comprising an antistatic layer laminated on at least one side of an optical film, wherein the antistatic layer comprises a water soluble or a water dispersible conductive polymer, has excellent antistatic effect, optical characteristics and appearance. | 11-06-2008 |
20090078371 | OPTICAL PRESSURE-SENSITIVE ADHESIVE, PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM, IMAGE DISPLAY, AND METHOD FOR SEPARATING PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM - An optical pressure-sensitive adhesive of the invention comprises a base polymer having a functional group (F); and a coupling agent that has a benzyl ester group and is represented by Formula (1): | 03-26-2009 |
20090104450 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL FILM, PRESSURE-SENSITIVE ADHESIVE LAYER FOR OPTICAL FILM, PRODUCTION METHOD THEREOF, PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND IMAGE DISPLAY - A pressure-sensitive adhesive composition for an optical film of the present invention comprises 100 parts by weight of a (meth)acrylic polymer comprising 45 to 99.99% by weight of an alkyl (meth)acrylate monomer unit and 0.01 to 2% by weight of a tertiary amino group-containing monomer unit; and 0.01 to 2 parts by weight of a peroxide as a crosslinking agent. The pressure-sensitive adhesive composition can form an pressure-sensitive adhesive layer that has satisfactory reworkability such that optical films can be easily peeled from liquid crystal panels with no adhesive residue and also has satisfactory processability such that it can be worked without pressure-sensitive adhesive fouling or dropout. | 04-23-2009 |
20090116111 | PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM, PRODUCTION METHOD THEREOF, AND IMAGE DISPLAY - A pressure-sensitive adhesive optical film of the present invention comprises an optical film; and a pressure-sensitive adhesive layer laminated on at least one side of the optical film, wherein the pressure-sensitive adhesive layer is formed from an acrylic pressure-sensitive adhesive comprising a (meth)acrylic polymer comprising 30 to 99.99% by weight of an alkyl (meth)acrylate monomer unit and 0.01 to 15% by weight of a functional group-containing monomer unit, and the (meth)acrylic polymer in the acrylic pressure-sensitive adhesive is crosslinked by electron beam irradiation. The pressure-sensitive adhesive optical film has a high level of reworkability, durability and workability. | 05-07-2009 |
20090208741 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL FILMS, PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND IMAGE DISPLAY - There is provided a pressure-sensitive adhesive composition for optical films. The composition can form a pressure-sensitive adhesive layer that can prevent light leakage caused by stress associated with dimensional change of a component such as an optical film, which include the pressure-sensitive adhesive layer that has reworkability such that it can be easily peeled from a component, and that has satisfactory processability such that it can be processed without pressure-sensitive adhesive stain or dropout, after it is formed on an optical film. A pressure-sensitive adhesive optical film produced using the composition is also provided. The pressure-sensitive adhesive composition includes a (meth)acrylic polymer including (a) 34 to 94% by weight of an alkyl(meth)acrylate monomer unit, (b) 5 to 35% by weight of an aromatic ring-containing (meth)acrylate monomer unit, and (c) 0.01 to 0.5% by weight of an amino group-containing (meth)acrylate monomer unit and further including (d) 0.05 to 3% by weight of a carboxyl group-containing (meth)acrylate monomer unit and/or (e) 0.05 to 2% by weight of a hydroxyl group-containing (meth)acrylate monomer unit and having a weight average molecular weight of 1,600,000 to 3,000,000 as determined by gel permeation chromatography; crosslinking agents including 0.01 to 5 parts by weight of an isocyanate crosslinking agent and 0.01 to 2 parts by weight of a silane coupling agent based on 100 parts by weight of the (meth)acrylic polymer. | 08-20-2009 |
20100304134 | METHOD FOR PEELING PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM, AND PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM - An object of the invention is to provide a pressure-sensitive adhesive optical film-peeling method capable of easily detaching the pressure-sensitive adhesive optical film from a glass substrate with no damage to the glass substrate or no adhesive deposit on the glass substrate, and to provide a pressure-sensitive adhesive optical film suitable for use in such a peeling method. The invention is directed to a method for peeling a pressure-sensitive adhesive optical film from an optical film-carrying glass substrate including a glass substrate and the pressure-sensitive adhesive optical film bonded thereto, which includes: exposing the optical film-carrying glass substrate to an environment at a temperature of 40 to 98° C. and a relative humidity of 60 to 99% for three minutes or more; and then peeling the pressure-sensitive adhesive optical film from the glass substrate under the environment. | 12-02-2010 |
20110045289 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL FILMS, PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND IMAGE DISPLAY - There is provided a pressure-sensitive adhesive composition for optical films. The composition can form a pressure-sensitive adhesive layer that can prevent light leakage caused by stress associated with dimensional change of a component such as an optical film, which include the pressure-sensitive adhesive layer that has reworkability such that it can be easily peeled from a component, and that has satisfactory processability such that it can be processed without pressure-sensitive adhesive stain or dropout, after it is formed on an optical film. A pressure-sensitive adhesive optical film produced using the composition is also provided. The pressure-sensitive adhesive composition includes a (meth)acrylic polymer including (a) 34 to 94% by weight of an alkyl (meth)acrylate monomer unit, (b) 5 to 35% by weight of an aromatic ring-containing (meth)acrylate monomer unit, and (c) 0.01 to 0.5% by weight of an amino group-containing (meth)acrylate monomer unit and further including (d) 0.05 to 3% by weight of a carboxyl group-containing (meth)acrylate monomer unit and/or (e) 0.05 to 2% by weight of a hydroxyl group-containing (meth)acrylate monomer unit and having a weight average molecular weight of 1,600,000 to 3,000,000 as determined by gel permeation chromatography; crosslinking agents including 0.01 to 5 parts by weight of an isocyanate crosslinking agent and 0.01 to 2 parts by weight of a silane coupling agent based on 100 parts by weight of the (meth)acrylic polymer. | 02-24-2011 |
20110070435 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL FILMS, PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND IMAGE DISPLAY - There is provided a pressure-sensitive adhesive composition for optical films. The composition can form a pressure-sensitive adhesive layer that can prevent light leakage caused by stress associated with dimensional change of a component such as an optical film, that has reworkability such that it can be easily peeled from a component, and that has satisfactory processability such that it can be processed without pressure-sensitive adhesive stain or dropout, after it is formed on an optical film. A pressure-sensitive adhesive optical film produced using the composition is also provided. The pressure-sensitive adhesive composition is prepared to include a (meth)acrylic polymer including (a) 34 to 94% by weight of an alkyl (meth)acrylate monomer unit, (b) 5 to 50% by weight of an aromatic ring-containing (meth)acrylate monomer unit, and (c) 0.01 to 0.5% by weight of an amino group-containing (meth)acrylate monomer unit; 0.01 to 2 parts by weight of a peroxide as a crosslinking agent; and 0.01 to 2 parts by weight of a silane coupling agent based on 100 parts by weight of the (meth)acrylic polymer. | 03-24-2011 |