Mitsui Chemicals Tohcello, Inc. Patent applications |
Patent application number | Title | Published |
20160141197 | METHOD OF PEELING ELECTRONIC MEMBER AND LAMINATE - Provided is a method of peeling an electronic member from a laminate composed of the electronic member adhered to a supporting substrate via an adhesive film having a self-peeling adhesive layer in a defined location and having an exposed region A. The method includes the steps of: reducing adhesive strength between the supporting substrate and the self-peeling adhesive layer in the region A by applying energy on the region A; removing the supporting substrate from the laminate by further applying energy on the region and thus further reducing the adhesive strength reduced in the prior step between the supporting substrate and the self-peeling adhesive layer from a starting point of the interface between the supporting substrate and the self-peeling adhesive layer; and peeling the electronic member from the laminate by removing the adhesive film from the electronic member. | 05-19-2016 |
20160133500 | SEMICONDUCTOR WAFER PROTECTIVE FILM AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE - According to the present invention, there is provided a semiconductor wafer protective film including a substrate layer (A) and an adhesive layer (C) formed on the substrate layer (A), in which the substrate layer (A) includes polymer, and a solubility parameter of the polymer determined by a Van Krevelen method is equal to or greater than 9. | 05-12-2016 |
20160053137 | PRODUCTION METHOD FOR LAMINATE FILM, LAMINATE FILM, AND PRODUCTION METHOD FOR SEMICONDUCTOR DEVICE EMPLOYING SAME - Provided is a manufacture method of a laminate film accurately precut into a desired shape. The manufactured laminate film comprises an elongated release film having thereon a plurality of insular adhesive films (A) and (B) mutually adjacent in the lengthwise direction, and the method includes: obtaining an elongated laminate having a release film and an adhesive film; precutting the adhesive film to obtain a first peeling part; and peeling off the first peeling part from the release film. The first peeling part includes peripheral parts (A | 02-25-2016 |
20150359217 | FRESHNESS-RETENTIVE FILM - The present invention provides a freshness-retentive film having high antibacterial characteristics. In the freshness-retentive film according to the present invention, at least one compound selected from the group consisting of palmityldiethanolamine, stearyldiethanolamine, glycerol monolaurate, and diglycerol monolaurate is present on at least one surface of the film at 0.002 to 0.5 g/m | 12-17-2015 |
20150303340 | ENCAPSULATING MATERIAL FOR SOLAR CELL AND SOLAR CELL MODULE - The encapsulating material for solar cell is an encapsulating material for solar cell including an ethylene/α-olefin copolymer and an organic peroxide having a one-minute half-life temperature in a range of 100° C. to 170° C. In addition, the complex viscosity of the encapsulating material for solar cell has the minimum value (η | 10-22-2015 |
20150122331 | ENCAPSULATING SHEET FOR SOLAR CELL, SOLAR CELL, AND METHOD FOR MANUFACTURING SOLAR CELL - An encapsulating sheet for solar cell for encapsulating a solar cell, in which, in a case in which a square sheet obtained by cutting the sheet so that a planar shape becomes a square shape is heated at the atmospheric pressure and 150° C. for 15 minutes and is thus thermally shrunk, when a length of one side of the square sheet before being thermally shrunk is represented by L, a direction in parallel with a first side is considered as a first direction, and a direction perpendicular to the first side is considered as a second direction, and in the thermally-shrunk square sheet, a shortest length in the first direction is represented by M1, and a shortest length in the second direction is represented by M2, 0≦|(M1−M2)/L|≦0.4 is satisfied. | 05-07-2015 |
20150084230 | METHOD FOR MANUFACTURING ENCAPSULATING MATERIAL SHEET FOR SOLAR BATTERY - A method for manufacturing an encapsulating material sheet for a solar battery of the invention includes a step of producing an additive-containing pellet by soaking an additive A into a pellet including a polyolefin-based resin as a main component, a step of injecting the additive-containing pellet into a cylinder from a supply opening in an extrusion molder, and melting and kneading a resin composition including the polyolefin-based resin and the additive A in the cylinder, and a step of molding by extrusion the resin composition from a die in the extrusion molder into a sheet shape. | 03-26-2015 |
20150013755 | ENCAPSULATING MATERIAL FOR SOLAR CELL AND SOLAR CELL MODULE - An encapsulating material for solar cell of the invention contains an ethylene/α-olefin copolymer, an organic peroxide, at least one crosslinking aid selected from a group consisting of divinyl aromatic compounds, cyanurates, diallyl compounds, triallyl compounds, oximes and maleimides, and a (meth)acrylate-based monomer. The content of the (meth)acrylate-based monomer in the encapsulating material for solar cell is in a range of 0.1 parts by weight to 5.0 parts by weight with respect to 100 parts by weight of the ethylene/α-olefin copolymer, and the content of the crosslinking aid in the encapsulating material for solar cell is in a range of 0.1 parts by weight to 3 parts by weight with respect to 100 parts by weight of the ethylene/α-olefin copolymer. | 01-15-2015 |
20140202536 | SOLAR CELL SEALING MATERIAL, METHOD FOR MANUFACTURING SOLAR CELL SEALING MATERIAL, AND SOLAR CELL MODULE - An encapsulating material for solar cell containing an ethylene/α-olefin copolymer satisfying the following a1) and a2), and a specific peroxyketal having a 1-hour half-life temperature in a range of 100 to 135 degrees centigrade; the peroxyketal being contained in an amount of 0.1 to less than 0.8 weight parts relative to 100 weight parts of the ethylene/α-olefin copolymer.
| 07-24-2014 |
20130269985 | RESIN COMPOSITION, AND PROTECTIVE FILM, DRY FILM, CIRCUIT BOARD, AND MULTILAYER CIRCUIT BOARD CONTAINING SAME - A resin composition which is capable of forming a film that has excellent heat resistance and slidability/bendability; a protective film for circuits, which uses the resin composition; and a dry film or the like which comprises the protective film are provided. Other aspects are a circuit board and a multilayer circuit board, each of which has excellent heat resistance and slidability/bendability. Furthermore, a protective film for circuit boards is provided, which is arranged in contact with a circuit of a printed wiring board, and contains a polyoxazolidone resin that has a weight average molecular weight of 3×10 | 10-17-2013 |
20130125986 | ENCAPSULATING MATERIAL FOR SOLAR CELL - A solar cell encapsulated with an encapsulating material which is a non-crystalline or low-crystalline α-olefin-based copolymer or its composition (I). The composition (C) can contain 50 to 100 parts by weight of non-crystalline α-olefin polymer (A) which meets the following requirements: (a) the α-olefin having 3 to 20 carbon atoms is not less than 20 mol %, (b) practically no melt peak as measured by a differential scanning calorimeter is observed, and (c) the Mw/Mn is not more than 5, and 50 to 0 parts by weight of crystalline α-olefin polymer (B) (the total of (A) and (B) being 100 parts by weight). The non-crystalline or low-crystalline α-olefin copolymer may also have a crystallinity of not higher than 40% as measured by use of X rays. | 05-23-2013 |
20130045354 | SEALED FUNCTION ELEMENT - A sealed function element obtainable by sealing a function element, for example, a liquid crystal display element, an element such as an organic EL and the like, and an organic function element such as a sheet like luminous illuminant, an optical device and a solar cell, reliably by a convenient step, particularly it provides a thin type sealed function element having a long life. The sealed function element comprises a substrate layer (W), a function element layer (X) and a laminated film for sealing (Z) wherein the substrate layer (W) and a heat-sealing thermoplastic resin layer (E) of the laminated film for sealing (Z) are adhered and unified by heat-sealing. The laminated film for sealing comprises the heat-sealing thermoplastic resin layer (E), a water-absorbing layer (F) and a gas barrier layer (G) which layers are laminated in this order. | 02-21-2013 |