Fujifilm Corporation

Mitsubishi Chemical Corporation

Fujifilm Business Innovation Corp.

Akihiro Ishii

Hiroyuki Mitsuhashi

Yohei Makino

Yusuke Taguchi

Shuhei Toda

Mitsufumi Nodono

Takeshi Umehara

Fumino Momose

Hikaru Momose

Haruki Okada

Daisuke Fujikawa

Ayako Shimonaka

Yasuharu Mori

Fumiko Fujie

Akikazu Matsumoto

Tetsuro Mitsui

Shinichi Nakahira

Keizo Uchioke

Keisho Funatsu

Masakazu Itou

Provided is a hydrophilic porous membrane including a porous membrane and a hydroxyalkyl cellulose (preferably, hydroxypropyl cellulose) retained in the porous membrane, the hydroxyalkyl cellulose having a weight-average molecular weight of 10,000 or more and less than 110,000. The hydrophilic porous membrane of embodiments of the invention has high water permeability and can pass an integrity test in the case of being used as a filtration membrane of a filter cartridge. Also provided is a method for producing the above-mentioned hydrophilic porous membrane, the method comprising causing a hydrophilizing liquid including 0.005% to 0.500% by mass of a hydroxyalkyl cellulose having a weight-average molecular weight of 10,000 or more and less than 110,000, to permeate a porous membrane.

Hydrophilic porous membrane and method for producing hydrophilic porous membrane

Provided are a hydrophilic porous membrane including a porous membrane and a hydroxyalkyl cellulose retained in the porous membrane, in which the average pore size differs between two surfaces of the porous membrane, the hydroxyalkyl cellulose distributed in the thickness direction of the hydrophilic porous membrane exhibits two or more peaks of detection intensity in GPC, and the weight-average molecular weight Mwof the peak that is detected latest among the above-mentioned peaks is less than 100,000; and a method for producing a hydrophilic porous membrane, the method including separately preparing a hydrophilizing liquid including a hydroxyalkyl cellulose having a smaller weight-average molecular weight and a hydrophilizing liquid including a hydroxyalkyl cellulose having a larger weight-average molecular weight, and applying each of the hydrophilizing liquids on two surfaces of the porous membrane or sequentially on one surface thereof.

A porous membrane includes a polymer which includes one or more structural units selected from the group consisting of a structural unit represented by Formula (I) and a structural unit represented by Formula (II), in which a content of the structural unit represented by Formula (II) is 1% by mass or more and less than 10% by mass with respect to a total mass of the structural unit represented by Formula (I) and the structural unit represented by Formula (II)

Porous membrane and filter cartridge

An image processing service system includes an operation request accepting unit, a setting accepting unit, a payment control unit, and an operation execution control unit. The operation request accepting unit accepts an operation request for an image processing apparatus through a chat between a user and a chatbot participating in a chat service on a chat board provided by the service. The setting accepting unit accepts a setting for an operation of the image processing apparatus requested by the operation request. The payment control unit makes a payment for the operation of the image processing apparatus requested by the operation request through an electronic payment system available on the chat service. The operation execution control unit controls the image processing apparatus to execute the operation requested by the operation request after the setting is accepted by the setting accepting unit and the payment is made by the payment control unit.

Image processing service system

An information processing apparatus includes a processor. The processor is configured to acquire biological information on a user while an operation related to a process is performed, and output information that suggests setting for the process in a case where the biological information indicates a peaceful psychological state.

Information processing apparatus and non-transitory computer readable medium

An information processing apparatus includes a processor configured to measure a distance to a terminal apparatus around the information processing apparatus plural times during a first period before receipt of an operation of a user and during a second period after the receipt of the operation, and establish connection for wireless communication with the terminal apparatus in a case where the measured distances indicate that the terminal apparatus has approached the information processing apparatus during the first period and is within a close range from the information processing apparatus during the second period.

An information processing apparatus includes a processor. The processor is configured to acquire biological information on a user, and output information that supports a process when a psychological state of the user indicated by the biological information is brought to a state determined in advance while an operation related to the process is performed by the user.

An information processing apparatus includes a processor. The processor is configured to acquire data, an instruction for a process in which the data are used, and biological information on a user who provides the instruction, and execute the process in accordance with a condition under which a time before the process is completed is shorter, when the biological information indicates that the user is in a specific psychological state, than a specific psychological state under a condition determined in advance.

Information processing apparatus and non-transitory computer readable medium that acquire a psychological state of a user

A conductive film has a support and a conductive portion which is disposed on the support and contains a conductive component and a binder, the binder contains a resin, a gel fraction of the resin is 70% or more, and a moisture content of the resin is 3% or less.

Conductive film, conductive film having three-dimensional shape, method of producing the same, method of producing stretched film, and touch sensor film

The present invention relates to a method for producing a vinylamine unit-containing polymer, the method comprising: preparing a mixture for polymerization (a) containing N-vinylformamide as a monomer component by using crude N-vinylformamide which contains the N-vinylformamide and formamide and has a content of the formamide of 1 part by mass or more with respect to 100 parts by mass of the N-vinylformamide; obtaining a polymerization product (b) containing an N-vinylformamide unit-containing polymer and formamide by polymerizing the monomer component in the mixture for polymerization (a); and obtaining a hydrolysis product (c) containing a vinylamine unit-containing polymer through a hydrolysis treatment of the polymerization product (b) using an acid or a base.

Method for producing vinylamine unit-containing polymer and polymerization product

A binder resin composition for secondary battery electrodes is described as containing a polymer (A) that has a structural unit represented by general formula (1) and a water-insoluble particulate polymer (B-1) and/or a water-soluble polymer (B-2) where (A), (B-1) and (B-2) are defined as described. A slurry for secondary battery electrodes contains the binder resin composition, an active material and a solvent. An electrode for secondary batteries is provided with a collector and an electrode layer that is arranged on the collector, where the electrode layer contains an active material and the binder resin composition. Alternatively, the electrode layer is obtained by applying the slurry for secondary battery electrodes to the collector, and drying the slurry thereon. 

Binder resin composition for secondary battery electrodes, slurry for secondary battery electrodes, electrode for secondary batteries, and lithium ion secondary battery

A binder resin for a nonaqueous secondary battery electrode of the invention satisfies I&#x2265;30 (Iindicates a sum of scattering intensities observed in a particle size range of from 1 to 100 nm) when a solution is formed by dissolving the binder resin in water at a concentration of 5% by mass and particle size distribution is measured by a dynamic light scattering method at 25&#xb0; C. The binder resin contains a polymer (B) having a structural unit represented by the following Formula (11) and a specific structural unit. The binder resin also contains a polymer (&#x3b1;) having a specific structural unit and a structural unit represented by the following Formula (22), and/or a mixture of a polymer (&#x3b2;1) having a specific structural unit and a polymer (&#x3b2;2) having a structural unit represented by the following Formula (22). 

Binder resin for nonaqueous secondary battery electrode, binder resin composition for nonaqueous secondary battery electrode slurry composition for nonaqueous secondary battery electrode, electrode for nonaqueous secondary battery, and nonaqueous secondary battery

A binder resin for a nonaqueous secondary battery electrode of the invention satisfies I&#x2267;30 (Iindicates a sum of scattering intensities observed in a particle size range of from 1 to 100 nm) when a solution is formed by dissolving the binder resin in water at a concentration of 5% by mass and particle size distribution is measured by a dynamic light scattering method at 25&#xb0; C. The binder resin contains a polymer (B) having a structural unit represented by the following Formula (11) and a specific structural unit. The binder resin also contains a polymer (&#x3b1;) having a specific structural unit and a structural unit represented by the following Formula (22), and/or a mixture of a polymer (&#x3b2;1) having a specific structural unit and a polymer (&#x3b2;2) having a structural unit represented by the following Formula (22). 

Provided is a method for efficiently producing on an industrial scale a high-performance polyvinylamine solution having good handling properties. After producing a polymer containing N-vinylcarboxamide monomer units having a value of the weight average molecular weight (Mw)/number average molecular weight (Mn) of 5 or higher by aqueous solution standing adiabatic polymerization, the polymer is hydrolyzed in an aqueous solvent in the presence of an alkali and an antigelling agent. In a preferred embodiment of the present invention, a polymer powder having a volatile content of 0.1-12% by mass is obtained by drying and pulverizing after producing a (co)polymer, and the powder obtained is stored or transported to the site of use of the polymer solution and hydrolyzed in an aqueous solvent in the presence of an alkali and an antigelling agent when the polymer solution is needed or at the site of use of the polymer solution.

Method for producing vinyl amine unit-containing polymer solution

The present invention provides a camera and a camera zoom control method that can reduce power consumption at the time of zooming and shorten the time difference between the timing of a photographing instruction and the timing of actual photographing. Until a release button is operated, the optical zoom magnifying power of a lens is controlled to become a zoom magnifying power corresponding to an operation with respect to a zoom switch, and when the release button has been operated, the optical zoom magnifying power of the lens is controlled to become the zoom magnifying power corresponding to the operation with respect to the zoom switch.

Growing community of inventors

Kanagawa, Japan

Akihiro Ishii