Abstract: The present invention provides an electret sheet that exhibits excellent piezoelectricity even by light stress. The electret sheet of the invention is characterized by including a charged porous sheet, in which the electret sheet has a compressive elastic modulus of 80 to 300 MPa when compressively deformed at 25° C. and a 50% compression stress of 120 to 300 kPa at 25° C., and thus has the excellent piezoelectricity for light stress and exhibits the excellent piezoelectricity even by light stress (0.5N or less) caused by a pulse wave or a breathing.
Abstract: Provided is a crosslinked polyolefin foam is made by crosslinking and foaming the composition, wherein a product of 25% compressive strength (kPa) and tensile strength (MPa) of the crosslinked polyolefin foam at normal temperature is 35 to 65.
Abstract: Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property in a low-frequency region while keeping the sound insulating property in a high-frequency region high.
Type:
Application
Filed:
July 26, 2021
Publication date:
June 15, 2023
Applicant:
SEKISUI CHEMICAL CO., LTD.
Inventors:
Jun ISHIDA, Hiromitsu NISHINO, Tatsuya IWAMOTO
Abstract: Provided is a method for purifying a nucleic acid capable of easily purifying a nucleic acid and efficiently recovering the nucleic acid. The method for purifying a nucleic acid including a step of bringing a sample containing a nucleic acid into contact with an extraction solution containing a metal cation to prepare an extraction solution containing the nucleic acid, a step of bringing the extraction solution containing the nucleic acid into contact with an anionic adsorbent 4 to cause the nucleic acid to adsorb to the anionic adsorbent 4, a step of bringing a wash solution having a pH of 5.0 or less into contact with the anionic adsorbent 4 to wash the anionic adsorbent 4 to which the nucleic acid is adsorbed, and a step of bringing a recovery solution having a pH of 6.0 or more into contact with the anionic adsorbent 4 to isolate the nucleic acid from the anionic adsorbent 4.
Type:
Application
Filed:
May 19, 2021
Publication date:
June 15, 2023
Applicants:
SEKISUI MEDICAL CO., LTD., SEKISUI CHEMICAL CO., LTD.
Abstract: The present invention aims to provide an interlayer film for a laminated glass that enables production of a laminated glass having high visible light transmittance even when deaeration for preliminary pressure bonding and heating for final pressure bonding are performed in parallel in a vacuum deaeration method. The present invention also aims to provide a method for producing the interlayer film for a laminated glass, and a laminated glass including the interlayer film for a laminated glass. Provided is an interlayer film for a laminated glass having a multitude of recesses on at least one surface, the surface with the recesses having a texture aspect ratio Str of 0.04 or lower as measured in conformity with ISO 25178.
Abstract: A multilayer tube is provided which suppresses the amount of calcium and organic component leaching to a low level and which can be realized as a tube that has mechanical properties at 60° C. This multilayer tube includes a first polyolefin resin layer configuring the innermost layer, and a second polyolefin resin layer arranged outside of the first polyolefin resin layer; the amount of calcium leaching, measured in accordance with SEMI F-57, of the material of the first polyolefin resin layer is less than 30 ?g/m2; the ratio of the thickness of the first polyolefin resin layer to the total thickness of the first polyolefin resin layer and the second polyolefin resin layer is 0.011-0.17. By means of this configuration, it is possible to suppress the amount of leaching of calcium and organic substances to a low level, and to realize a pipe having a strength that takes into account a 60° C. use environment.
Abstract: Provided is a photosensitizer that can make a compound having a polymerizable group be efficiently cured by irradiation with an active energy ray. A photosensitizer comprising graphene, the graphene having a number average molecular weight (Mn) in terms of polystyrene of 500 or more and 1,000,000 or less, the number average molecular weight measured by gel permeation chromatography.
Type:
Grant
Filed:
February 1, 2019
Date of Patent:
June 13, 2023
Assignees:
SEKISUI CHEMICAL CO., LTD., HIROSHIMA UNIVERSITY
Abstract: A positive electrode (1) for a non-aqueous electrolyte secondary battery, including a current collector (11) and an active material layer (12) provided on the current collector (11), wherein: the active material layer (12) includes one or more positive electrode active material particles; and a true density D of the active material and a true density D1 of the active material layer (12) satisfy 0.96?D1<D. The positive electrode active material preferably includes a compound represented by a formula LiFexM(1-x)PO4, wherein 0?x?1, M is Co, Ni, Mn, Al, Ti or Zr.
Abstract: The present invention relates to a positive electrode (1) for a non-aqueous electrolyte secondary battery, comprising a current collector (11) and an active material layer (12) which comprises active material particles, and is provided on the current collector (11), wherein a dibutyl phthalate oil absorption amount of the active material layer is 30.0 mL/100 g or more and less than 38.0 mL/100 g, and a positive electrode (1) for a non-aqueous electrolyte secondary battery, comprising: a current collector (11) comprising a current collector main body (12) formed of a metal material; and an active material layer (12) provided on the current collector, wherein: the active material layer (12) comprises an active material; the active material comprises a compound having an olivine type crystal structure; a volume density of the active material layer (12) is 2.2 to 2.
Abstract: The present invention provides a resin composition for sintering, an inorganic fine particle-dispersed slurry composition containing the resin composition for sintering, and an inorganic fine particle-dispersed sheet formed using the resin composition for sintering or inorganic fine particle-dispersed slurry composition. The present invention relates to a resin composition for sintering, containing a binder resin, the binder resin including a (meth)acrylic resin (A), the (meth)acrylic resin (A) having at least one selected from the group consisting of a sulfone group, an alkyl sulfonyl group, an aromatic sulfonyl group, a sulfine group, an imidazoline group, a carboxy group, an amide group, an amino group, and a hydroxy group at at least one molecular end of the main chain and having a weight average molecular weight (Mw) of 1,000,000 or more, an amount of a water-soluble surfactant in the resin composition for sintering being 0 parts by weight or more and 0.
Abstract: The production method for an organic substance comprises: a step of feeding waste (G0) to a dryer (13); a step of drying the waste (G0) by the dryer (13); a step of feeding the waste (G0) dried by the dryer (13) to a gasifier (14); a step of gasifying the waste (G0) by the gasifier (14) to generate synthetic gas (G1); and a step of bringing the synthetic gas (G1) into contact with a microbial catalyst to generate an organic substance.
Abstract: This productivity evaluation method is for evaluating productivity of a chemical substance in a process comprising a first step of obtaining gas from a waste material and a second step of synthesizing a chemical substance from the gas obtained in the first step in the presence of a catalyst, said method including: a first carbon mass calculation stage of calculating mass of carbon contained in the waste material, a second carbon mass calculation stage of calculating mass of carbon contained in the chemical substance produced in said process, and a productivity evaluation stage of evaluating the productivity of the chemical substance based on values of the mass of carbon which are calculated in the first carbon mass calculation stage and the second carbon mass calculation stage.
Abstract: A catalyst includes at least one element X selected from the group consisting of Groups 3 to 6 of the Periodic Table, and at least one element Z selected from the group consisting of Group 14 elements. The catalyst is flaky and has pores in a thickness direction. A catalyst that is capable of suppressing an overreaction to a polymer and producing a diene compound, particularly butadiene, at a high yield can be provided.
Abstract: The present invention aims to provide a polyvinyl acetal resin composition that is excellent in thermal stability and moldable by an extrusion method and can exhibit a high storage modulus even under high temperature, an adhesive sheet prepared from the polyvinyl acetal resin composition, an interlayer filling material for a touch panel prepared from the polyvinyl acetal resin composition, and a laminate produced using the interlayer filling material for a touch panel. The present invention relates to a polyvinyl acetal resin composition containing: a polyvinyl acetal; a photoradical polymerization initiator; and a monomer or oligomer having a radical polymerizable double bond.
Abstract: The present invention provides a thermally expandable microcapsule that has excellent heat resistance and compression resistance and that enables the production of a foam molded article that is less likely to undergo deterioration or appearance defects over a long period of time, as well as a foamable masterbatch and a foam molded article each produced using the thermally expandable microcapsule. Provided is a thermally expandable microcapsule including a shell and a volatile expansion agent as a core agent encapsulated by the shell, the shell containing a black material and a polymer compound.
Abstract: A pipe (10) includes a polyethylene-based resin layer (21) containing a polyethylene-based resin composition as a major component. The polyethylene-based resin layer (21) forms a pipeline member inner surface (10a). The polyethylene-based resin composition has a calcium concentration of 10 ppm or more and 60 ppm or less.
Type:
Application
Filed:
March 9, 2021
Publication date:
May 18, 2023
Applicants:
SEKISUI CHEMICAL CO., LTD., JAPAN POLYETHYLENE CORPORATION
Abstract: A resin composition of the present invention comprises: a silicone resin or a silicone oil (A), a compound (B) having a particular structure, and a thermally conductive filler (C). According to the present invention, a resin composition having favorable thermally conductive properties and exhibiting small physical property changes at high temperatures can be provided.
Abstract: The present relates to a positive electrode (1) for a non-aqueous electrolyte secondary battery, comprising: a positive electrode current collector (11) comprising a positive electrode current collector main both (14) formed of a metal material; a positive electrode active material layer (12) provided on the positive electrode current collector (11), wherein the positive electrode active material layer (12) comprises a positive electrode active material having, on at least a. part of its surface, a coated section comprising a conductive material, the positive electrode active material layer (12) has a pore specific surface area of 5.0 to 10.0 m2/g and a central pore diameter of 0.06 to 0.