Patent application number | Description | Published |
20080220193 | Catalyst for olefin polymerization, method for producing olefin polymer, method for producing propylene-based copolymer, propylene polymer, propylene-based polymer composition, and use of those - A catalyst for olefin polymerization, comprising:
| 09-11-2008 |
20100004393 | Polyolefin polymer containing vinyl groups at both ends and composition thereof - The present invention is a polyolefin polymer containing vinyl groups at both ends thereof, and a composition and a molded product containing the polymer, wherein the polymer contains a constitutional unit derived from at least one selected from the group consisting of ethylene (a), an α-olefin (b) having 3 to 20 carbon atoms, and a cyclic olefin (c), and
| 01-07-2010 |
20100069588 | PROCESS FOR PRODUCTION OF SYNDIOTACTIC PROPYLENE POLYMER - It is an object of the present invention to provide a process for producing a syndiotactic propylene polymer with high polymerization activity and high efficiency by a solution polymerization method without deposition of polymers (excluding a white state), and a production process capable of conducting the above production continuously, provided that these processes could not be attained conventionally. | 03-18-2010 |
Patent application number | Description | Published |
20090162633 | Material for Vibration Control, Article for Vibration Control and Multilayer Laminate for Vibration Control - A material for vibration control of the invention includes a propylene polymer (A) containing a constitutional unit (a) derived from propylene in the proportion of 40 to 100 mol % and a constitutional unit (b) derived from α-olefin having 2 to 20 carbon atoms excluding propylene in the proportion of 60 to 0 mol % [provided that the total of (a) and (b) is 100 mol %], and having a melting point measured by DSC of 90° C. or below or no observed melting point, and the material has excellent vibration controllability such as vibration damping property, vibration preventing property, sound insulating property, and sound absorbing property. | 06-25-2009 |
20090249645 | Ethylenic copolymer, compostion containing the copolymer and use thereof - An object of the present invention is to provide a novel ethylene-α-olefin copolymer excellent in crosslinking properties; a foamed molded article having a low specific gravity and a low compression set (CS) and a composition capable of producing the foamed molded article, footwear parts composed of a foamed molded article; an ethylenic copolymer composition excellent in balance between weather resistance and mechanical strength, and an electric wire coating material and an electric wire sheath using the ethylenic copolymer composition; and a thermoplastic elastomer capable of producing a molded article excellent in balance between mechanical strength and toughness. The ethylenic copolymer (A) of the present invention is a copolymer composed of only ethylene and an α-olefin having 3 to 20 carbon atoms, and is characterized in that vinyl-group content (a) per 1000 carbon atoms as measured by infrared absorption spectroscopy, MFR | 10-08-2009 |
20110177328 | IONOMER RESIN, RESIN COMPOSITION COMPRISING THE SAME, AND USES OF THEM - [Problem] To provide an ionomer resin capable of forming a polyolefin molded product having well-balanced two properties of molding processability and mechanical property, a resin composition including the ionomer resin and a molded product formed from the ionomer resin or the resin composition. [Solution to problem] An ionomer resin (X1) formed from 100 parts by weight of (A) an olefin polymer having constitutional units derived from an α-olefin of 2 to 20 carbon atoms and having a functional group (a) and 0.01 to 100 parts by weight of (B) a metal salt having two or more functional groups (b). | 07-21-2011 |
20120073655 | PACKAGE BODY FOR STORING OR TRANSPORTING SOLAR CELL SEALING FILM AND METHOD FOR STORING OR TRANSPORTING SOLAR CELL SEALING FILM - A package for storing or transporting a solar cell sealing film includes: the solar cell sealing film containing a silane compound and/or a silane-modified resin; and a package bag packaging the solar cell sealing film. The absolute humidity inside the package is 1 to 15 g/m | 03-29-2012 |
Patent application number | Description | Published |
20080292896 | PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST - A polypropylene composite film having a propylene/1-butene random copolymer which has 60 to 90 mol % of propylene units and 10 to 40 mol % of 1-butene units and has a triad isotacticity of not less than 85% and not more than 97.5%, a molecular weight distribution of from 1 to 3, an intrinsic viscosity of from 0.1 to 12 dl/g, a melting point of from 40 to 75° C. and a crystallization rate at 45° C. of 10 minutes or less, and satisfying the following relation, 146 exp (−0.022M)≧Tm ≧125 exp (−0.032M), and an olefin catalyst for preparation thereof. | 11-27-2008 |
20080306219 | PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST - An olefin polymerization catalyst having (A) a transition metal compound (2a) or (3a) and (B) at least one compound selected from (B-1) an organometallic compound, (B-2) an organoaluminum oxy compound and (B-3) a compound capable of forming an ion pair by reacting with the transition metal compound (A). | 12-11-2008 |
20080312461 | PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST - A transition metal compound represented by the following formula (2a): | 12-18-2008 |
20090043050 | PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST - A polypropylene composition containing a propylene/1-butene random copolymer which contains 60 to 90 mol % of propylene units and 10 to 40 mol % of 1-butene units and has a triad isotacticity of not less than 85% and not more than 97.5%, a molecular weight distribution of from 1 to 3, an intrinsic viscosity of from 0.1 to 12 dl/g, a melting point of from 40 to 75° C. and a crystallization rate at 45° C. of 10 minutes or less, and satisfying the following relation, 146 exp (−0.022M)≧Tm≧125 exp (−0.032M), and an olefin catalyst for preparation thereof. | 02-12-2009 |
Patent application number | Description | Published |
20120073631 | ETHYLENE RESIN COMPOSITION, SEALING MATERIAL FOR SOLAR CELL, AND SOLAR CELL MODULE UTILIZING THE SEALING MATERIAL - The purpose of the present invention is to provide an ethylene resin composition which has excellent properties including adhesion properties, electrically insulating properties, transparency, moldability and process stability and can be produced without requiring any cross-linking procedure if necessary to improve productivity; and others. The ethylene resin composition contains a modified product produced by modifying an ethylene polymer (A) that meets all of the requirements a) to e) mentioned below with an ethylenically unsaturated silane compound (B). a) The density is 900 to 940 kg/m | 03-29-2012 |
20130167911 | ENCAPSULATING MATERIAL FOR SOLAR CELL AND SOLAR CELL MODULE - Disclosed is an encapsulating material for solar cell containing an ethylene/α-olefin copolymer satisfying the following requirements (a1) to (a4): (a1) the content ratio of structural units derived from ethylene is from 80 to 90 mol % and the content ratio of structural units derived from α-olefin having 3 to 20 carbon atoms is from 10 to 20 mol %; (a2) MFR is from 10 to 50 g/10 minutes as measured under the conditions of a temperature of 190 degrees centigrade and a load of 2.16 kg in accordance with ASTM D1238; (a3) the density is from 0.865 to 0.884 g/cm | 07-04-2013 |
20130213471 | ENCAPSULATING MATERIAL FOR SOLAR CELL AND SOLAR CELL MODULE - An encapsulating material for solar cell excellent in a balance among properties including transparency, flexibility, adhesiveness, heat resistance, appearance, crosslinking properties, electrical properties and calender moldability. The encapsulating material includes an ethylene/α-olefin copolymer satisfying the following requirements: (a1) the content ratio of structural units derived from ethylene is from 80 to 90 mol % and the content ratio of structural units derived from α-olefin having 3 to 20 carbon atoms is from 10 to 20 mol %; (a2) MFR is equal to or more than 2 g/10 minutes and less than 10 g/10 minutes as measured under the conditions of a temperature of 190 degrees centigrade and a load of 2.16 kg in accordance with ASTM D1238; (a3) the density is from 0.865 to 0.884 g/cm | 08-22-2013 |
20130233376 | SOLAR-CELL SEALANT AND SOLAR-CELL MODULE USING SAME - A solar-cell sealant that has excellent properties such as transparency, flexibility, adhesiveness, heat resistance, appearance, cross-linking characteristics, electrical characteristics, and calenderability. A solar-cell sealant that contains an ethylene/α-olefin/unconjugated-polyene copolymer satisfying requirements (a1) through (a3). Requirement (a1) is that constituent units derived from ethylene constitute 80-90 mol %, constituent units derived from C3-20 α-olefin constitute 9.99-19.99 mol %, and constituent units derived from an unconjugated polyene constitute 0.01-5.0 mol % of said copolymer. Requirement (a2) is that the MFR of said copolymer, as measured in accordance with ASTM D1238 at 190° C. under a 2.16 kg load, be at least 2 g/10 min. and less than 10 g/10 min. Requirement (a3) is that the Shore A hardness of said copolymer, as measured in accordance with ASTM D2240, be 60 to 85. | 09-12-2013 |
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 |
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 |
20150013768 | SHEET SET FOR ENCAPSULATING SOLAR BATTERY - A sheet set for encapsulating a solar battery including a first encapsulating sheet and a second encapsulating sheet which are disposed between a light-incident surface protective member and a back surface protective member, and are used to encapsulate solar battery elements is provided. When the first encapsulating sheet and the second encapsulating sheet are subjected to a heating and pressurization treatment in which the first encapsulating sheet and the second encapsulating sheet are heated and depressurized under defined conditions, a volume resistivity of the first encapsulating sheet measured under defined conditions, is higher than a volume resistivity of the second encapsulating sheet. The first encapsulating sheet is disposed between the light-incident surface protective member and the solar battery elements. The second encapsulating sheet has at least one polar group selected from a carboxyl group, an ester group, a hydroxyl group, an amino group, and an acetal group. | 01-15-2015 |
20150075616 | ENCAPSULATING MATERIAL FOR SOLAR CELL AND SOLAR CELL MODULE - An encapsulating material for solar cell of the invention contains an ethylene/α-olefin copolymer, and a content of a fluorine element in the ethylene/α-olefin copolymer, which is determined using a combustion method and an ion chromatograph method, is equal to or less than 30 ppm. | 03-19-2015 |