Patents Assigned to Mitsubishi Plastics, Inc.
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Publication number: 20140360573Abstract: A solar cell encapsulant sheet including a resin layer (S) formed of a resin composition containing an olefine-based resin, wherein the storage elastic modulus at 25° C. of the resin layer (S) is 200 MPa or less, at least one surface of the resin layer (S) is the sheet surface of the encapsulant sheet, and the sheet surface satisfies the following requirements (a), (b) and (c): (a) the dynamic friction coefficient on a tempered white glass plate is 1.5 or less, (b) the surface roughness Rzjis is from 0.1 to 50 ?m, and (c) the static friction coefficient on a tempered white glass plate is 1.5 or less.Type: ApplicationFiled: February 5, 2013Publication date: December 11, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Jun Nishioka, Kouichirou Taniguchi, Yo Miyashita, Michiko Otsuka, Shinya Fukuda
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Publication number: 20140356629Abstract: According to the present invention, there is provide a coated film that suffers from less occurrence of interference fringes when forming various surface functional layers such as a hard coat layer thereon, and can exhibit a good visibility and an excellent adhesion property to the surface functional layers. The present invention relates to a coated film comprising: a polyester film, a first coating layer formed on one surface of the polyester film which is prepared from a coating solution comprising a polyester resin, titanium oxide and an epoxy compound, and a second coating layer formed on the other surface of the polyester film which is prepared from a coating solution comprising a metal oxide and two or more crosslinking agents and which has an absolute reflectance having one minimum value in a wavelength range of 400 to 800 nm, and which has the absolute reflectance at the minimum value of not less than 4.0%.Type: ApplicationFiled: August 30, 2012Publication date: December 4, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Yuzo Kato, Taishi Kawasaki, Masato Fujita
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Publication number: 20140349080Abstract: A novel transparent double-sided adhesive sheet for image display device is provided, that, under the constraint of holding down the thickness of the adhesive sheet to 250 ?m or less, can relieve a distortion arising within the adhesive sheet after laminating even if a member has a stepped portion of 50 ?m to 100 ?m in height on the laminating surface. Proposed is a transparent double-sided adhesive sheet for image display device which is used for the purpose of laminating an image display device constitutive member having on a laminating surface a stepped portion of 50 ?m to 100 ?m in height and a flat surface portion, and another image display device constitutive member, wherein a thickness of the maximum thickness portion of the adhesive sheet is 250 ?m or less, and a gel fraction (a) at a position in contact with a stepped portion after laminating is 10% or greater and smaller than a gel fraction (b) at a position in contact with a flat surface portion.Type: ApplicationFiled: August 8, 2014Publication date: November 27, 2014Applicant: Mitsubishi Plastics, Inc.Inventors: Kahoru NIIMI, Hidejirou Yoshikawa, Takahisa Uchida, Makoto Inenaga
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Publication number: 20140349100Abstract: A novel transparent double-sided adhesive sheet for image display device is provided, that, under the constraint of holding down the thickness of the adhesive sheet to 250 ?m or less, can relieve a distortion arising within the adhesive sheet after laminating even if a member has a stepped portion of 50 ?m to 100 ?m in height on the laminating surface. Proposed is a transparent double-sided adhesive sheet for image display device which is used for the purpose of laminating an image display device constitutive member having on a laminating surface a stepped portion of 50 ?m to 100 ?m in height and a flat surface portion, and another image display device constitutive member, wherein a thickness of the maximum thickness portion of the adhesive sheet is 250 ?m or less, and a gel fraction (a) at a position in contact with a stepped portion after laminating is 10% or greater and smaller than a gel fraction (b) at a position in contact with a flat surface portion.Type: ApplicationFiled: August 8, 2014Publication date: November 27, 2014Applicant: Mitsubishi Plastics, Inc.Inventors: Kahoru NIIMI, Hidejirou Yoshikawa, Takahisa Uchida, Makoto Inenaga
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Patent number: 8877343Abstract: The present invention provides a laminated polyester film which can be prevented from suffering from occurrence of interference fringes owing to reflection of external light and is excellent in adhesion to various surface functional layers such as a hard coat. 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 compound having a condensed polycyclic aromatic structure and an oxazoline compound or an epoxy compound thereonto, which coating layer has a thickness of 0.04 to 0.15 ?m.Type: GrantFiled: May 31, 2010Date of Patent: November 4, 2014Assignee: Mitsubishi Plastics, Inc.Inventors: Taishi Kawasaki, Masato Fujita
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Patent number: 8865835Abstract: There is provided an encapsulant material for solar cells which facilitates production of a solar cell module and is excellent in flexibility, heat resistance, transparency, etc., and a solar cell module produced using the encapsulant material. The present invention relates to an encapsulant material for solar cells which includes a resin composition (C) containing an ethylene-?-olefin random copolymer (A) capable of satisfying the following condition (a) and an ethylene-?-olefin block copolymer (B) capable of satisfying the following condition (b): (a) a heat of crystal fusion is from 0 to 70 J/g as measured in differential scanning calorimetry at a heating rate of 10° C./min; and (b) a crystal fusion peak temperature is 100° C. or higher and a heat of crystal fusion is from 5 to 70 J/g as measured in differential scanning calorimetry at a heating rate of 10° C./min.Type: GrantFiled: July 16, 2010Date of Patent: October 21, 2014Assignee: Mitsubishi Plastics, Inc.Inventors: Kouichirou Taniguchi, Jun Nishioka, Ryota Yamamoto, Yo Miyashita
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Publication number: 20140283545Abstract: There is provided a water vapor adsorbent for adsorption heat pumps that has high adsorption and desorption performance and high water resistance, such as submersion resistance. The water vapor adsorbent contains a zeolite that contains at least a silicon atom, an aluminum atom, and a phosphorus atom in its framework structure and that has a framework density of 12.0 T/1,000 cubic angstroms or more and 16.0 T/1,000 cubic angstroms or less, wherein the water vapor adsorbent contains a group 11 metal of the periodic table, which constitutes 0.1% to 15% by weight of the zeolite. In the zeolite containing the group 11 metal, an ion of the group 11 metal substitutes for a Bronsted acid site, which promotes a hydrolysis reaction of the zeolite, and decreases the number of Bronsted acid sites of the zeolite, thereby improving the water resistance, such as submersion resistance, of the zeolite.Type: ApplicationFiled: October 1, 2012Publication date: September 25, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Haijun Chen, Takahiko Takewaki
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Publication number: 20140272363Abstract: The present invention aims at providing an inorganic fiber molded body that is excellent in scale resistance, thermal shock resistance and mechanical shock resistance, and prevented from suffering from shrinkage when used under high-temperature heating conditions. The inorganic fiber molded body of the present invention is produced by impregnating a needle blanket of inorganic fibers with a liquid material of a precursor of a spinel-based compound represented by the general formula: MgxAlyO4 wherein an atomic ratio (y/x) is not less than 2 (y/x?2); drying the thus impregnated needle blanket; and firing the dried needle blanket to convert the precursor into an oxide thereof.Type: ApplicationFiled: August 31, 2012Publication date: September 18, 2014Applicant: Mitsubishi Plastics, Inc.Inventors: Yusaku Hata, Tsuyoshi Fukui, Toshio Ito, Mitsuo Suzuki, Hidetaka Ito
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Publication number: 20140242336Abstract: The present invention provides an in-mold transfer film that has an excellent gloss feel, is free from occurrence of blocking in a process for production of the transfer sheet, and has such a function that the film can be smoothly released from its boundary after completion of the in-mold transfer process. The in-mold transfer film of the present invention comprises a polyester film and a release layer formed on one surface of the polyester film, in which the polyester film is in the form of a laminated polyester film comprising at least three layers whose outermost layers both are formed of the same polyester composition, a number of projections present on a surface of the polyester film which have a height of not less than 0.05 ?m is not more than 1900/mm2, and a number of projections present on a surface of the polyester film which have a height of not less than 0.6 ?m is not less than 25/mm2.Type: ApplicationFiled: August 27, 2012Publication date: August 28, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Yasuhito Mune, Hiroshi Iwasaki, Takeshi Sugie
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Publication number: 20140242372Abstract: According to the present invention, there is provide a coated film that is highly excellent in transparency and slipping property, and can be suitably used in the applications in which good transparency and slipping property are needed, for example, such as film members for transparent electrodes for touch panels, etc. The present invention relates to a coated film comprising a multilayer polyester film comprising both outermost layers in which particles having an average particle diameter of not more than 3.0 ?m are incorporated, and a coating layer formed on at least one surface of the multilayer polyester film, the coating layer comprising particles having an average particle diameter larger than a thickness of the coating layer.Type: ApplicationFiled: October 18, 2012Publication date: August 28, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Ryosuke Funatsu, Taishi Kawasaki, Katsuya Amako, Yuka Kato, Masato Fujita
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Publication number: 20140234538Abstract: The present invention produces a laminated porous film which improves the stability of an aqueous dispersion of a metal oxide without lowering battery characteristics, while having high binding properties and excellent heat resistance. This laminated porous film exhibits excellent characteristics when used as a separator for batteries. This laminated porous film is produced by forming a porous coating layer on at least one outer surface of a resin porous film, which is formed of a single layer or a laminate of a plurality of layers, by applying a coating liquid that contains a metal oxide, a resin binder and a volatile acid thereto and drying the applied coating liquid. The coating liquid is prepared so that the difference between the pH (pH1) of the coating liquid and the pH (pH2) of the coating layer is not less than 2.Type: ApplicationFiled: September 18, 2012Publication date: August 21, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Hiroto Yamada, Tomoyuki Nemoto
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Patent number: 8795418Abstract: The present invention provides an adsorptive member which is used in a heat exchanger such as an adsorptive heat pump or a humidity control apparatus such as a desiccant system and which is excellent in heat resistance and adhesion between adsorptive particles and a base material. The adsorptive member comprising a base material and an adsorptive material layer formed on the base material, wherein the adsorptive material layer comprises adsorptive particles and a binder as essential components, and the binder is an epoxy cured product comprising the following structural units (a) and (b): (a): a bisphenol type structural unit; and (b): a linear hydrocarbon structural unit having 4 or more carbon atoms, and/or a polyalkylene ether structural unit having 3 or more ether oxygen atoms.Type: GrantFiled: October 22, 2012Date of Patent: August 5, 2014Assignee: Mitsubishi Plastics, Inc.Inventors: Daiki Tabata, Kumiko Okamoto, Kouichirou Taniguchi, Seiichi Kubokawa
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Patent number: 8785032Abstract: The present invention is capable of providing a multilayer porous film used as a separator for a non-aqueous electrolyte secondary battery. A multilayer porous film which is obtained by laminating a coating layer that contains a filler and a resin binder on at least one surface of a polyolefin resin porous film that serves as a base layer. The ratio of the average particle diameter (Du) of the filler within 25% of the thickness of the coating layer from the surface of the multilayer porous film to the average particle diameter (Db) of the filler within 25% of the thickness of the coating layer from the interface with the base layer, namely, Du/Db is 1.2 to 10; and the average particle diameter (Du) is 0.5 ?m or less.Type: GrantFiled: May 31, 2012Date of Patent: July 22, 2014Assignee: Mitsubishi Plastics, Inc.Inventors: Hiroto Yamada, Tomoyuki Nemoto
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Patent number: 8784976Abstract: 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%.Type: GrantFiled: September 13, 2010Date of Patent: July 22, 2014Assignee: Mitsubishi Plastics, Inc.Inventors: Taishi Kawasaki, Masato Fujita
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Patent number: 8778500Abstract: The present invention provide a laminated polyester film which is capable of ensuring a good dimensional stability without being subjected to such a surface saponification treatment with an alkali solution as required for triacetyl cellulose films, is available at low costs, exhibits a good adhesion property to adhesives and a high total light transmittance, and can be suitably used as a protective film for polarizing films. 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 an acrylic resin or a urethane resin as a main component; and a coating layer formed on the other surface of the polyester film which comprises a urethane resin having a polycarbonate structure. In the preferred embodiment of the present invention, the coating layer comprising the acrylic resin or the urethane resin as a main component has a thickness of 0.04 to 0.15 ?m, and the polyester film comprises an ultraviolet absorber.Type: GrantFiled: April 15, 2010Date of Patent: July 15, 2014Assignee: Mitsubishi Plastics, Inc.Inventors: Taishi Kawasaki, Toshihiro Koda, Masato Fujita
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Publication number: 20140193692Abstract: Provided is a multilayer porous film that has extremely high powder fall-off resistance and superior electrolyte solution adsorptivity and heat resistance and exhibits superior properties when used as a battery separator without decreasing the high air permeability of a porous film. The multilayer porous film includes a polyolefin-based resin porous film and a coating layer containing a filler and a resin binder on at least one surface of the polyolefin-based resin porous film. The amount of particles with particle sizes of less than 0.2 ?m (D0.2) in the filler is 1% or more, and the specific surface area of the filler is 5 m2/g or more and less than 10 m2/g. The multilayer porous film satisfies a particular condition.Type: ApplicationFiled: March 15, 2013Publication date: July 10, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Hiroto Yamada, Tomoyuki Nemoto
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Patent number: 8771833Abstract: 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 a backlight unit for liquid crystal displays, etc. 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 by applying a coating solution comprising a urethane resin, an epoxy compound, an oxazoline compound and a melamine compound thereonto.Type: GrantFiled: May 24, 2010Date of Patent: July 8, 2014Assignee: Mitsubishi Plastics, Inc.Inventors: Taishi Kawasaki, Masato Fujita
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Publication number: 20140186599Abstract: The inorganic fiber molded body of the present invention is characterized in that the molded body has an extremely light weight, and is free from problems such as scattering of fibers and particulate matters from a surface thereof and environmental pollution such as generation of harmful gases. In addition, the present invention provides an inorganic fiber molded body that is excellent in not only thermal shock resistance and mechanical shock resistance but also a high-speed wind erosion resistance, well-balanced in properties and can be used in the applications of various heat-insulating materials. The present invention relates to an inorganic fiber molded body comprising inorganic fibers and inorganic binder particles and having at least one set of a high-fiber density region and a low-fiber density region, in which a ratio of a content of the binder particles in the high-fiber density region to a content of the binder particles in the low-fiber density region as measured by a predetermined method is 0.Type: ApplicationFiled: March 6, 2014Publication date: July 3, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Tsuyoshi FUKUI, Toshio Ito, Yusaku Hata, Hisashi Aoyagi, Hidetaka Ito
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Publication number: 20140170370Abstract: A plate-shaped carbon fiber-reinforced carbon composite has a longitudinal length-to-widthwise length ratio of more than 1. The carbon fiber-reinforced carbon composite is such that at least two layers that are a first carbon fiber-reinforced carbon composite layer in which carbon fibers are placed in the carbonaceous matrix and are oriented in the longitudinal direction and a second carbon fiber-reinforced carbon composite layer different in the arrangement of the carbon fibers from the first carbon fiber-reinforced carbon composite layer are stacked, the first carbon fiber-reinforced carbon composite layer forms an outermost layer of at least one plate surface, the thickness thereof is 70% or more of the thickness of the carbon fiber-reinforced carbon composite, and the longitudinal bending elastic modulus is 150 GPa or more.Type: ApplicationFiled: July 9, 2012Publication date: June 19, 2014Applicant: Mitsubishi Plastics, Inc.Inventors: Toshiyuki Horii, Hitoshi Seki, Shinnya Kubo
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Publication number: 20140168544Abstract: In relation to a sheet having linearly polarized light eliminating function that is disposed on the viewing side of a polarizing film and eliminates linearly polarized light that has traversed the polarizing plate, proposed is a novel sheet having linearly polarized light eliminating function, allowing a layer having linearly polarized light eliminating function to be thinned, and furthermore, allowing manipulability when pasting the sheet to be satisfactory. Proposed is a transparent double-sided adhesive sheet provided with a adhesive layer on both front and back sides and provided with a layer having a linearly polarized-light-eliminating function (referred to as “linearly polarized-light-eliminating functional layer”) as a middle layer, and the thickness of the linearly polarized-light-eliminating functional layer being within the range of 1 ?m to 40 ?m and smaller than the thickness of the adhesive layer on either the front or the back or the adhesive layers on both front and back sides.Type: ApplicationFiled: June 27, 2012Publication date: June 19, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventor: Kahoru Niimi