Nissin Kogyo Co., Ltd.

Shinshu University

Schlumberger Technology Corporation

The Yokohama Rubber Co., Ltd.

Lixil Corporation

Fukoku Co., Ltd.

Nissan Kogyo Co., Ltd.

Denso Corporation

Mefs Kabushiki Kaisha

Kitz Corporation

Schlumberger Holdings Limited

Toru Noguchi

Akira Magario

Hiroyuki Ueki

Shigeki Inukai

Satoshi Iinou

Morinobu Endo

Masaei Ito

Kenji Takeuchi

Shigeru Fukazawa

Shuichi Shimizu

Raghu Madhavan

Masayuki Kawazoe

Tomoyuki Sakai

Takushi Matsushita

Kenichi Niihara

Keiichi Kawamoto

Hiroyuki Yamada

Tsuyoshi Watanabe

Takashi Wanibuchi

Hisayoshi Oshima

Kazuhiro Tada

Haruhisa Shibata

Ryo Miyahara

Koichi Arita

Kazuhito Kawata

Kazuyuki Yokoyama

Takumi Sagou

Yuichi Asano

A surface-treated nanocellulose master batch includes a rubber component, a nanocellulose, a resole or novolac resorcin-formaldehyde initial condensation product, and formaldehyde. The the surface-treated nanocellulose master batch includes from 0.3 to 15 parts by mass of the nanocellulose per 100 parts by mass of the rubber component. The the surface-treated nanocellulose master batch includes from 0.03 to 1.2 parts by mass of the resole or novolac resorcin-formaldehyde initial condensation product per 1 part by mass of the nanocellulose and 0.02 to 0.8 parts by mass of the formaldehyde per 1 part by mass of the nanocellulose.

Surface-treated nanocellulose master batch

The invention provides a semipermeable composite membrane that reduces an environmental load, and a method of producing the semipermeable composite membrane. A semipermeable composite membraneincludes, on a porous support, a semipermeable membranecontaining a crosslinked polyamideand a cellulose nanofiber. A method of producing the semipermeable composite membrane includes obtaining a mixed solution containing the cellulose nanofiber, water, and an amine component, and obtaining the semipermeable composite membraneby making the mixed solution be in contact with the porous support, thereafter, causing a cross-linking reaction of the amine component in the mixed solution, with the amine component adhering to the porous support

Semipermeable composite membrane, method of producing same, and semipermeable composite membrane element

Provide is a rubber composition for a tire that improves mechanical properties beyond conventional levels. The rubber composition for a tire according to an embodiment of the present invention contains from 1 to 50 parts by mass of oxidized cellulose nanofibers blended in 100 parts by mass of diene rubber containing 5% by mass or greater of modified diene rubber having 0.1% by mol or greater of a polar group.

Tire rubber composition

A semipermeable composite membrane that reduces an environmental load, and a method of producing the semipermeable composite membrane. A semipermeable composite membrane includes, on a porous support, a semipermeable membrane containing a crosslinked polyamide and a cellulose nanofiber. A method of producing the semipermeable composite membrane includes obtaining a mixed solution containing the cellulose nanofiber, water, and an amine component, and obtaining the semipermeable composite membrane by making the mixed solution be in contact with the porous support, thereafter, causing a cross-linking reaction of the amine component in the mixed solution, with the amine component adhering to the porous support.

A silicone rubber composite material includes silicone rubber, first carbon nanotubes having an average diameter of not more than 30 nm, and second carbon nanotubes having an average diameter of more than 30 nm and not more than 1000 nm. Per 100 parts by weight of the silicone rubber, 2.5 to 10 parts by weight of the first carbon nanotubes and 5 to 15 parts by weight of the second carbon nanotubes are included.

Silicone rubber composite material and vibration isolating member

A method of manufacturing a reverse osmosis composite membrane, including: (i) bringing a mixed liquid containing carbon nanotubes, water, and an amine component into contact with a porous support, the mixed liquid being produced through a step of pressurizing and compressing an aqueous solution containing the carbon nanotubes while flowing the aqueous solution, followed by releasing or reducing a pressure to return a volume of the aqueous solution to an original volume to mix the carbon nanotubes; and then (ii) subjecting the amine component in the mixed liquid adhering to the porous support to a crosslinking reaction.

Reverse osmosis composite membrane and method for manufacturing reverse osmosis composite membrane

A reverse osmosis composite membrane includes: a porous support; and a reverse osmosis membrane arranged on the porous support and containing a crosslinked polyamide and carbon nanotubes. The reverse osmosis membrane contains the carbon nanotubes that are disentangled in the crosslinked polyamide. A distribution of closest distances between the carbon nanotubes in the reverse osmosis membrane has a peak that is within a range of a thickness of the reverse osmosis membrane, and a half width of the peak is equal to or less than the thickness of the reverse osmosis membrane.

A method for producing a rubber composition include a mixing step, a drying step, and a dispersion step. In the mixing step, an aqueous solution that includes at least one of oxycellulose fibers and cellulose nanofibers is mixed with rubber latex to obtain a first mixture. In the drying step, the first mixture is dried to obtain a second mixture. In the dispersion step, the second mixture is tight-milled using an open roll to obtain a rubber composition. The rubber composition does not include an aggregate that includes at least one of the oxycellulose fibers and the cellulose nanofibers, and has a diameter of 0.1 mm or more.

Method for producing rubber composition and rubber composition

A carbon fiber composite material of the present invention includes: cell structures with an elastomer surrounded by a first carbon nanofiber and an interface phase thereof; cell structure assemblies as assemblies of more than one of the cell structures; and tie structures that join the cell structure assemblies to each other. The tie structures are formed by one or more first carbon nanofibers, one or more second carbon nanofibers, and the elastomer interface phase surrounding the one or more first carbon nanofibers and the one or more second carbon nanofibers.

Carbon fiber composite material, and method for producing carbon fiber composite material

A method of producing a carbon fiber composite resin material including (a) a first mixing step, (b) a second mixing step, and (c) a step of curing a second mixture. In the first mixing step (a), an epoxy resin is mixed with an epoxidized elastomer to obtain a first mixture. In the second mixing step (b), vapor-grown carbon fibers having an average diameter of 20 to 200 nm and an average length of 5 to 20 micrometers are mixed with the first mixture to obtain a second mixture in which the vapor-grown carbon fibers are dispersed. In the step (c) of curing the second mixture, the second mixture is cured to obtain a highly rigid carbon fiber composite resin material.

Carbon fiber composite resin material and method of producing the same

A thermosetting resin composition including: a matrix including a thermosetting resin and an elastomer; and carbon nanofibers dispersed in the matrix. The elastomer includes an unsaturated bond or a group having affinity to the carbon nanofibers.

Thermosetting resin composition and method of producing the same

A carbon fiber composite material comprising 100 parts by mass of an elastomer, and 20 to 100 parts by mass of carbon nanofibers that have been oxidized and reduced in number of branch points. The carbon fiber composite material has a dynamic modulus of elasticity (E') at 200&#xb0; C. and 10 Hz of 10 to 1000 MPa, and a volume resistivity of 10to 10ohms&#xb7;cm.

Carbon fiber composite material, method of producing the same, insulating article, electronic part, and logging tool

The present invention provides a carbon fiber composite material comprising an elastomer and a carbon nanofiber dispersed in the elastomer, wherein the elastomer has an unsaturated bond or a group, having affinity to the carbon nanofiber. Also disclosed is a process for producing the carbon fiber composite material.

Carbon fiber composite material and process for producing the same

A seal member includes a hydrogenated acrylonitrile-butadiene rubber (HNBR) and carbon nanofibers. The seal member has a number of cycles to fracture of 7000 or more when subjected to a tensile fatigue test at a temperature of 70&#xb0; C., a maximum tensile stress of 4 N/mm, and a frequency of 1 Hz. The seal member exhibits excellent abrasion resistance.

Growing community of inventors

Ueda, Japan

Toru Noguchi