Patent application number | Description | Published |
20080311388 | PRESSURE-SENSITIVE ADHESIVE SHEET FOR IDENTIFICATION AND PRODUCTION METHOD THEREOF - The object of the invention is to provide a pressure-sensitive adhesive sheet for identification, which is obtained by easy thick film coating in formation of a pressure-sensitive adhesive agent layer; which can be used even if the surface of a collection subject is wet with moisture; which is obtained without using an organic solvent in production steps; and which causes few damages on the surface of the collection subject, and a production method thereof. There is provided a pressure-sensitive adhesive sheet for identification which is used by transferring and taking a trace visualized onto a surface of a pressure-sensitive adhesive agent layer, the pressure-sensitive adhesive agent layer being formed by photoirradiation of a layer made of an acryl-based pressure-sensitive adhesive agent composition containing a) a (meth)acrylic acid alkyl ester in which an alkyl group has 1 to 14 carbon atoms on average, as a main monomer, b) a polyfunctional (meth)acrylate and c) a photoinitiator, the pressure-sensitive adhesive agent layer having a gel fraction of 50% by weight or more, the pressure-sensitive adhesive agent layer having an adhesive strength to a stainless steel plate of 0.1 to 2.0 N/20 mm. | 12-18-2008 |
20100021730 | Acrylic pressure-sensitive adhesive tape or sheet, and method for producing the same - Disclosed is an acrylic pressure-sensitive adhesive tape or sheet that exhibits satisfactory adhesion to hard-to-adhere adherends. | 01-28-2010 |
20100080990 | SHEET FOR PROTECTING COATINGS - Provided is a sheet for protecting coatings that shows superior adhesiveness even to coatings often causing low adhesive by bleeding for example of leveling agent and others without a washing treatment and the like, retains its preferable adhesion state for an extended period of time, and is easily releasable when separated even after being bonded for an extended period of time. | 04-01-2010 |
20100112346 | ACRYLIC PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET AND PROCESS FOR PRODUCING THE SAME - Provided is an acrylic pressure-sensitive adhesive tape or sheet highly adhesive to hard-to-adhere adherends such as coatings having the surface control agent bleeding thereon. | 05-06-2010 |
20100116432 | ADHESIVE METHOD OF PRESSURE-SENSITIVE ADHESIVE SHEET FOR VEHICLE COATINGS - Provided is an adhesive method of pressure-sensitive adhesive sheet for vehicle coatings, giving a pressure-sensitive adhesive sheet highly adhesive even to a coating surface easily causing the low adhesion by bleed-out of leveling agent or the like. | 05-13-2010 |
20100136321 | PRESSURE-SENSITIVE ADHESIVE SHEET FOR APPLICATION TO VEHICLE COATINGS - Disclosed is a pressure-sensitive adhesive sheet to be applied to a surface-conditioner-bearing surface of a vehicle coating. The sheet includes an acrylic pressure-sensitive adhesive layer (Y) as a pressure-sensitive adhesive layer to be in contact with the surface of the vehicle coating. The layer (Y) has been polymerized from an acrylic pressure-sensitive adhesive composition through the application of active energy rays, the composition includes a vinyl monomer mainly containing an alkyl (meth)acrylate (a1) whose alkyl moiety having 2 to 14 carbon atoms, or a prepolymer thereof (a); an active-energy-ray-activatable polymerization initiator (b); a multifunctional (meth)acrylate (c); and a (meth)acrylate oligomer (d) having a weight-average molecular weight of 1000 to 30000 and containing 1 to 50 parts by weight of a rosin-modified (meth)acrylate (d1) per 100 parts by weight of total monomer components. The pressure-sensitive adhesive sheet exhibits high bond strengths even to surface-conditioner-bearing surfaces of automotive coatings without being reduced in bond strength by the surface conditioner. | 06-03-2010 |
20110117364 | PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention relates to a pressure-sensitive adhesive sheet including: a substrate layer including a film which contains at least a urethane polymer; and a pressure-sensitive adhesive layer disposed on at least one side of the substrate layer, in which the pressure-sensitive adhesive sheet has a residual stress of 23 N/cm or lower after having been held in a 10% elongated state for 60 seconds. | 05-19-2011 |
20110171410 | RELEASE LINER-ATTACHED PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention relates to a release liner-attached pressure-sensitive adhesive sheet including a pressure-sensitive adhesive sheet having a substrate and a pressure-sensitive adhesive layer and a release liner arranged on the pressure-sensitive adhesive layer, in which the substrate includes a composite film containing a urethane polymer, the release liner is a layered product including a layer A which constitutes a surface of a pressure-sensitive adhesive layer side and a layer B that supports the layer A, and the release liner has an average linear expansion coefficient between 25° C. and 40° C. of 7×10 | 07-14-2011 |
20110171477 | MULTILAYER SHEET - The present invention relates to a multilayer sheet including a substrate layer and a coat layer arranged on at least one side of the substrate layer and formed using a fluoroethylene vinyl ether alternating copolymer represented by the following formula in which X represents fluorine, chlorine or bromine, Ra represents hydrogen or a C1-C10 alkyl group, Rb represents a C1-C16 alkyl group, Re represents a C1-C16 alkylene group, each of m and n is an integral number, and a weight average molecular weight of the fluoroethylene vinyl ether alternating copolymer is selected within the range of from 1,000 to 2,000,000, in which the substrate layer includes a film including a urethane polymer: | 07-14-2011 |
20120021208 | COMPOSITE FILM - To provide a composite film having low-temperature flexibility. The composite film is a composite film including an acrylic polymer and a urethane polymer, in which the acrylic polymer includes an acryl component containing at least an acrylic acid-based monomer and a monofunctional acrylic monomer whose homopolymer has a glass transition temperature (Tg) of 273 K or more; the content of the acrylic acid-based monomer in the composite film is from 0.5 to 15 wt %; the glass transition temperature (Tg ac) of the acrylic polymer is 273 K or more; the glass transition temperature (Tg ur) of the urethane polymer is 273 K or less; and the glass transition temperature (Tg) of the composite film is 269 K or less. | 01-26-2012 |
20120028040 | APPLICATION TAPE AND PROTECTIVE PRESSURE-SENSITIVE ADHESIVE SHEET EQUIPPED WITH APPLICATION TAPE - The present invention relates to an application tape, which has a function of improving an application workability when a protective pressure-sensitive adhesive sheet is applied to an adherend, in which the application tape has a surface that has a coefficient of static friction for a PET film of 0.05-1.0 in the case where the PET film is slid on the application tape having a size of 30 mm×30 mm under a condition of a load of 100 g and a rate of 100 mm/min, and the application tape has a Young's modulus of 300 MPa or lower. | 02-02-2012 |
20120070659 | PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention relates to a pressure-sensitive adhesive sheet containing: a substrate layer comprising a film which contains at least a urethane polymer, and a pressure-sensitive adhesive layer, in which the substrate layer has: (a) a work of 35 to 160 N·mm, the work being calculated from a product of a move amount and a stress until 10% elongation when the substrate layer is elongated at a tensile speed of 200 mm/min; and (b) a stress relaxation time of 30 sec or less, the stress relaxation time being a time for which the stress, after the substrate layer is elongated until 10% at a tensile speed of 200 mm/min and the elongation is held in that state, decreases to 36.8% of the maximum stress. | 03-22-2012 |