Patents Assigned to Mitsubishi Plastics, Inc.
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Patent number: 9409787Abstract: A transition-metal-containing silicoaluminophosphate zeolite having excellent high-temperature hydrothermal durability is easily and efficiently produced. A method for producing a transition-metal-containing zeolite that contains a silicon atom, a phosphorus atom, and an aluminum atom in at least its framework structure includes hydrothermal synthesis using an aqueous gel containing a silicon atom raw material, an aluminum atom raw material, a phosphorus atom raw material, a transition metal raw material, and a polyamine (other than diamines). A transition-metal-containing silicoaluminophosphate zeolite produced by hydrothermal synthesis using a zeolite raw material and the aqueous gel containing the transition metal raw material and the polyamine has excellent high-temperature hydrothermal durability and high catalytic activity.Type: GrantFiled: June 19, 2012Date of Patent: August 9, 2016Assignee: MITSUBISHI PLASTICS, INC.Inventors: Haijun Chen, Takahiko Takewaki, Takeshi Matsuo
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Publication number: 20160215178Abstract: Provided is an adhesive composition which has cutting processability when it is fitted to the shape of an adherend part before pasting and processed, long-term storage stability at a normal temperature before pasting of the cut shape after processing, low temperature melting properties of not imparting damage to the adherend part when being pasted, and uneven step absorbability after pasting. Hence, an adhesive composition which contains a crosslinking agent and a photopolymerization initiator at from 1 to 50 parts by weight and from 0.3 to 3 parts by weight based on 100 parts by weight of an ethylene-?-olefin-based copolymer, respectively, and has a crystal melting peak by DSC of from 30 to 80° C. is proposed.Type: ApplicationFiled: October 20, 2014Publication date: July 28, 2016Applicant: MITSUBISHI PLASTICS, INC.Inventors: Makoto INENAGA, Shinya FUKUDA
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Publication number: 20160208148Abstract: Provided is a new double-sided pressure-sensitive-adhesive sheet which is not only able to realize a low dielectric constant but also exhibits excellent handleability or reliability as a pressure-sensitive-adhesive sheet. Proposed is a double-sided pressure-sensitive-adhesive sheet which includes an acrylic compound (A) having a specific dielectric constant at a frequency of 100 kHz of 3.0 or less and an acrylic acid ester copolymer (B) obtained by copolymerizing a (meth)acrylic acid ester monomer having a straight-chain or branched alkyl group having from 1 to 9 carbon atoms in a side chain and/or a vinyl ether monomer.Type: ApplicationFiled: July 17, 2014Publication date: July 21, 2016Applicant: MITSUBISHI PLASTICS, INC.Inventors: Kahoru NIIMI, Shinya FUKUDA, Makoto INENAGA
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Patent number: 9394465Abstract: Provided is a novel transparent adhesive sheet with which the cut edge is not sticky over time when a laminated body that has been bonded via the adhesive sheet is cut, which can be adhered without generating residual air bubbles, even when the surface of an adherend is uneven, and which can be adhered without foaming, even when the adherend is a material such as plastic that can generate outgas. Suggested is an adhesive sheet that has one or more layers of a first adhesive layer and one or more layer of a second adhesive layer that exhibit different viscoelastic behaviors, and has an integrated structure whereby these layers are laminated, with a dynamic shear storage modulus G? of 2×104 to 5×105 Pa for G?(20° C.) and 1×104 to 1×105 Pa for G?(150° C.) when measured with a 1 Hz frequency temperature dispersion.Type: GrantFiled: October 21, 2013Date of Patent: July 19, 2016Assignee: MITSUBISHI PLASTICS, INC.Inventor: Makoto Inenaga
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Patent number: 9387457Abstract: 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: GrantFiled: October 1, 2012Date of Patent: July 12, 2016Assignee: MITSUBISHI PLASTICS, INC.Inventors: Haijun Chen, Takahiko Takewaki
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Publication number: 20160151772Abstract: The present invention provides a novel high-silica zeolite having a high molar ration of a tetravalent element (Y) to a trivalent element (X) in terms of oxide. A zeolite, comprising at least a trivalent element X and a tetravalent element Y, wherein a molar ratio n=YO2/X2O3 in terms of oxide is 9.5 or more, and the zeolite comprises an RHO-type structure, or comprising at least a trivalent element X and a tetravalent element Y, wherein a molar ratio n=YO2/X2O3 in terms of oxide is 9.5 or more, and a characteristic X-ray diffraction pattern. This zeolite is produced by hydrothermal synthesis of a zeolite from an aqueous gel that is prepared by adding a mixed solution comprising a crown ether, an alkali, and water to a solution containing an aluminum atom material, and by then dropwise adding a liquid containing a silicon atom material.Type: ApplicationFiled: February 5, 2016Publication date: June 2, 2016Applicants: Mitsubishi Chemical Corporation, Mitsubishi Plastics, Inc.Inventors: Haijun CHEN, Takahiko TAKEWAKI, Takeshi MATSUO
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Patent number: 9353293Abstract: 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: GrantFiled: December 27, 2012Date of Patent: May 31, 2016Assignee: MITSUBISHI PLASTICS, INC.Inventors: Kahoru Niimi, Hidejirou Yoshikawa, Takahisa Uchida, Makoto Inenaga
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Patent number: 9343719Abstract: 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: GrantFiled: September 18, 2012Date of Patent: May 17, 2016Assignee: MITSUBISHI PLASTICS, INC.Inventors: Hiroto Yamada, Tomoyuki Nemoto
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Patent number: 9335575Abstract: A novel surface protection panel is provided, with no rainbow colors appearing within the display screen or shading occurring, even when the display screen is viewed through sunglasses equipped with polarization lenses. Proposed is a surface protection panel disposed on the outer side of a liquid crystal display panel, that is to say, on the visible side of the liquid crystal display panel in a liquid crystal image display device equipped with a liquid crystal display panel. The surface protection panel has a constitution which a gas barrier transparent resin film having a gas barrier layer is layered on one side or on each side of a transparent synthetic resin plate, and the surface protection panel has a property which both the transparent synthetic resin plate and the gas barrier transparent resin film are non-stretched substantially, non-oriented or uniaxially oriented.Type: GrantFiled: September 10, 2014Date of Patent: May 10, 2016Assignee: MITSUBISHI PLASTICS, INC.Inventors: Makoto Inenaga, Masahiko Kawano
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Publication number: 20160099452Abstract: Disclosed is a laminated porous film which has both gas permeability and heat resistance and can exhibit excellent smoothness and excellent pin extraction properties when used as a separator for a battery. The laminated porous film is characterized by having a heat-resistant layer laminated on at least one surface of a polyolefin resin porous film, wherein the heat-resistant layer comprises a filler and a resin binder, and wherein the surface of the heat-resistant layer has a static friction coefficient of 0.45 or less, a gas permeability degree of 2000 sec/100 ml or less and a tensile elastic modulus of 400 to 1000 MPa when the film is stretched in the lengthwise direction at a stretching rate of 3%.Type: ApplicationFiled: December 14, 2015Publication date: April 7, 2016Applicant: Mitsubishi Plastics, Inc.Inventors: Yoshihito TAKAGI, Satoru Imanaka, Tomoyuki Nemoto, Yasushi Usami
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Publication number: 20160082425Abstract: The object is to provide an exhaust gas reduction catalyst that exhibit high nitrogen oxide reduction performance, and to provide a simple and efficient method for producing the catalyst, in which the amount of the waste liquid is reduced, further, an object of the invention is to provide a zeolite-containing catalyst for reducing nitrogen oxides, which does not use an expensive noble metal or the like and which has high nitrogen oxide reduction performance.Type: ApplicationFiled: November 11, 2015Publication date: March 24, 2016Applicant: MITSUBISHI PLASTICS, INC.Inventors: Takeshi MATSUO, Takahiko TAKEWAKI, Daisuke NISHIOKA, Kazunori OSHIMA, Haijun CHEN, Hiroyuki KAKIUCHI
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Publication number: 20160043371Abstract: The viscosity stability in forming a slurry of one or metal components selected from water-insoluble metal oxides and metal salts is improved, and using the resultant slurry, a coating layer is formed on a polyolefinic resin porous film to give a multilayer porous film having excellent surface smoothness. The multilayer porous film has, as layered on at least one surface of a polyolefinic resin porous film, a coating layer that contains one or more metal components selected from water-insoluble metal oxides and metal salts, and a resin binder, wherein the content of water-soluble calcium contained in the metal components is 3 ppm by mass or less.Type: ApplicationFiled: August 4, 2015Publication date: February 11, 2016Applicant: MITSUBISHI PLASTICS, INC.Inventors: Hiroto YAMADA, Kouji TAKEGAWA, Tomoyuki NEMOTO
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Publication number: 20160032135Abstract: According to the present invention, there is provide a coated film capable of exhibiting an excellent adhesion property to a prism resin used in optical applications such as a backlight unit for liquid crystal displays, etc., in particular, a prism resin adaptable for high-brightness prisms, i.e., a high-refractive index prism resin. The coating 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 prepared from a coating solution comprising a (meth)acrylate (A) and at least one crosslinking agent (B) selected from the group consisting of an oxazoline compound, an isocyanate-based compound and a melamine compound.Type: ApplicationFiled: January 24, 2013Publication date: February 4, 2016Applicant: MITSUBISHI PLASTICS, INC.Inventors: Takashi SATO, Taishi KAWASAKI, Masato FUJITA
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Patent number: 9252412Abstract: 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: GrantFiled: March 15, 2013Date of Patent: February 2, 2016Assignee: MITSUBISHI PLASTICS, INC.Inventors: Hiroto Yamada, Tomoyuki Nemoto
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Publication number: 20150380708Abstract: A multilayer porous film having, on at least one surface of a polyolefinic resin porous film, a coating layer that contains an alumina and a resin binder, wherein, when the alumina is heated at a heating rate of 10° C./min in thermogravimetric analysis, the mass of the alumina at 250° C. W250 and the mass thereof at 400° C. W400 satisfy the following relationship relative to the mass of the alumina at 25° C. W: (W250?W400)/W?0.Type: ApplicationFiled: December 25, 2014Publication date: December 31, 2015Applicant: Mitsubishi Plastics, Inc.Inventors: Hiroto YAMADA, Tomoyuki NEMOTO
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Publication number: 20150367600Abstract: One embodiment of the present invention provides a new transparent double-sided adhesive sheet that, in bonding of image display device-constituting members provided with a step portion on the bonding surface thereof with a transparent double-sided adhesive sheet interposed therebetween, can conform to the step portion to fill every corner therewith, can also allow strain generated in the adhesive sheet to be relaxed, and furthermore can maintain foaming resistance under a high-temperature and/or high-humidity environment without impairment of handleability. One embodiment of the present invention proposes a transparent double-sided adhesive sheet in a B-stage state, in which, first, the transparent double-sided adhesive sheet contains at least one (meth)acrylate (co)polymer, an ultraviolet polymerization initiator (A) having a molar absorptivity at a wavelength of 365 nm of 10 or more and a molar absorptivity at a wavelength of 405 nm of 0.Type: ApplicationFiled: February 4, 2014Publication date: December 24, 2015Applicant: MITSUBISHI PLASTICS, INC.Inventors: Kahoru NIIMI, Makoto INENAGA, Ryota YAMAMOTO
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Patent number: 9213194Abstract: A novel surface protection panel is provided, with no rainbow colors appearing within the display screen or shading occurring, even when the display screen is viewed through sunglasses equipped with polarization lenses. Proposed is a surface protection panel disposed on the outer side of a liquid crystal display panel, that is to say, on the visible side of the liquid crystal display panel in a liquid crystal image display device equipped with a liquid crystal display panel. The surface protection panel has a constitution which a gas barrier transparent resin film having a gas barrier layer is layered on one side or on each side of a transparent synthetic resin plate, and the surface protection panel has a property which both the transparent synthetic resin plate and the gas barrier transparent resin film are non-stretched substantially, non-oriented or uniaxially oriented.Type: GrantFiled: December 8, 2010Date of Patent: December 15, 2015Assignee: MITSUBISHI PLASTICS, INC.Inventors: Makoto Inenaga, Masahiko Kawano
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Patent number: 9206312Abstract: A heat-shrinkable film having a layer made of a mixed resin containing a polylactic acid resin and a polyolefin resin as the main components, wherein the mass ratio of the polylactic acid resin and the polyolefin resin is 95/5 to 50/50, the polylactic acid resin is a copolymer of D-lactic acid and L-lactic acid or a mixed resin of the copolymer, the D/L ratio of D-lactic acid and L-lactic acid is 3/97 to 15/85 or 85/15 to 97/3, the storage elastic modulus of the polyolefin resin or the soft acrylic resin at 20° C. is ?100 MPa as measured at an oscillation frequency of 10 Hz and a strain of 0.1%, the film is stretched in at least one direction, and the heat shrinkage ratio of the film in the main shrinking direction is ?20% as measured after the film is immersed in 80° C. water for 10 seconds.Type: GrantFiled: February 26, 2013Date of Patent: December 8, 2015Assignee: MITSUBISHI PLASTICS, INC.Inventors: Takashi Hiruma, Takeyoshi Yamada
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Patent number: 9199436Abstract: In the gas-barrier laminate having an inorganic thin layer formed on at least one surface of a substrate having a polyethylene naphthalate layer, provided by the present invention is a gas-barrier laminate having not only high water vapor barrier property and oxygen barrier property abut also excellent adhesion between the substrate and the inorganic thin layer. The said gas-barrier laminate, comprising: a substrate comprising a polyethylene naphthalate layer; a layer formed from a composition comprising an acryl polyol and an isocyanate compound on at least one surface of the substrate; and an inorganic thin layer, arranged in the stated order.Type: GrantFiled: July 27, 2012Date of Patent: December 1, 2015Assignee: MITSUBISHI PLASTICS, INC.Inventors: Yasushi Sasaoka, Chiharu Okawara, Tooru Hachisuka
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Publication number: 20150299938Abstract: 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: June 30, 2015Publication date: October 22, 2015Applicant: Mitsubishi Plastics, Inc.Inventors: Yusaku HATA, Tsuyoshi FUKUI, Toshio ITO, Mitsuo SUZUKI, Hidetaka ITO