Fujitsu Corporation

Daicel Corporation

Fujitsu Semiconductor Limited

Fujitsu Microelectronics Limited

Denki Kagaku Kogyo Kabushiki Kaisha

Toshikazu Nakamura

Satoshi Eto

Masato Matsumiya

Kuninori Kawabata

Ayako Kitamoto

Masato Takita

Toru Koga

Hideki Kanou

Masatomo Hasegawa

Yuki Ishii

Shu Shimamoto

Toshiya Miyo

Mitsuhiro Higashiho

Hideki Kano

Shizuka Ukita

Kaoru Mori

Shinichi Yamada

Yoshinori Okajima

Tsuyoshi Nakamura

Hiroki Taniguchi

Hiroshi Kobayashi

Akira Kikutake

Ayako Sato

Shizuka Okada

Ryoko Yamauchi

Masao Taguchi

Takaaki Suzuki

Takamasa Suzuki

Koichi Nishimura

Masao Iwaya

Masafumi Yamazaki

Tomohiro Goto

Takayuki Yoneda

Noriko Kawamura

Hiroyuki Kobayashi

Atsushi Takeuchi

Tomohiro Kawakubo

Yoshinori Funaki

Hiroyuki Sugamoto

Masaki Okuda

Shusaku Yamaguchi

Jun Ohno

Tomohiro Hashizume

Yuichi Uzawa

Atsushi Nakakubo

Yasuhiro Onishi

Shuzo Otsuka

Masato Shigematsu

Yoshiyuki Nishio

Hideaki Nagasaka

Shuuji Yoshioka

Toru Nakai

Tooru Michimori

Takao Kishimoto

Tatsuya Morita

Tomomi Genda

Kazuki Sugimura

Masahiro Mori

The present invention is to provide a cellulose acetate that has a low total degree of acetyl substitution and a degree of acetyl substitution at 6-position that is lower compared to the degrees of acetyl substitution at 2-position and 3-position of a glucose ring, and has excellent water solubility. A cellulose acetate having: a total degree of acetyl substitution of 0.4 or greater and 0.9 or less, a proportion of a degree of acetyl substitution at 6-position in the total degree of acetyl substitution of 0% or greater and 18% or less, and a light transmittance at 660 nm of 5% or greater in 4 wt. % aqueous solution.

Cellulose acetate and method for producing cellulose acetate

A carbon dioxide separation membrane according to the present invention includes: an ionic liquid affinitive porous layer (C) having an ionic liquid-containing liquid (A) retained in voids; and an ionic liquid non-affinitive porous layer (B). The ionic liquid affinitive porous layer (C) may contain inorganic materials (for example, metal oxide particles having an average particle size of about 0.001 to 5 &#x3bc;m on a number basis). An average thickness of the ionic liquid affinitive porous layer (C) may be about from 0.01 to 10 &#x3bc;m. The ionic liquid affinitive porous layer (C) may include the ionic liquid-containing liquid (A) at a ratio from 0.1 to 99 parts by volume with respect to 100 parts by volume of voids. It may be a carbon dioxide separation membrane for fertilizing plants with carbon dioxide. The carbon dioxide separation membrane can reduce a size of the carbon dioxide concentrating device and enables smooth operation of the device.

Carbon dioxide separation membrane and method for producing same

This ionic liquid-containing laminate includes a porous layer having affinity with ionic liquids (C), said layer holding an ionic liquid-containing liquid (A) within voids therein, and a porous layer lacking affinity with ionic liquids (B). The porous layer having affinity with ionic liquids (C) may include an inorganic material (e.g., metal oxide particles having an average particle size of 0.001 to 10 &#x3bc;m on a number basis). The ionic liquid-containing liquid (A) may include an ionic liquid containing cations selected from ammonium, imidazolium and phosphonium cations, and anions selected from fluorine-containing anions, cyano-containing anions and amino acid-derived anions. The porous layer having affinity with ionic liquids (C) may include 1 to 100 volume parts of the ionic liquid-containing liquid (A) with respect to 100 volume parts of voids therein. The ionic liquid-containing laminate is easily formable, and is able to stably hold (or fix) the ionic liquid while maintaining said liquid in a liquid state.

Ionic liquid-containing laminate and method for producing same

Provided are a cellulose acetate fiber and a cellulose acetate fiber molded article which are excellent in water solubility and biodegradability and are small in load onto the natural environment even when allowed to stand still in the environment. The invention provides a cellulose acetate fiber containing cellulose acetate having a total degree of acetyl substitution of 0.4 to 1.3 and a compositional distribution index (CDI) of 2.0 or less as well as a cellulose acetate fiber molded article.

Cellulose acetate fiber, cellulose acetate fiber molded article, and methods respectively for producing said cellulose acetate fiber and said cellulose acetate fiber molded article

A nutrient composition contains a cellulose acetate having a total degree of acetyl substitution of 0.4 to 1.1. The cellulose acetate may have a compositional distribution index (CDI) of 2.0 or less, where the CDI is specified by the formula:=(Measured value of half height width of chemical composition)/(Theoretical value of half height width of chemical composition)where the measured value of half height width of chemical composition represents the half height width of chemical composition determined by HPLC analysis of a cellulose acetate propionate prepared by propionylating all residual hydroxy groups of the cellulose acetate (sample); and[Math. 1]the theoretical value of half height width of chemical composition=2.35482&#x221a;{square root over (3**(3)*(1&#x2212;3))}/where DS is the total degree of acetyl substitution; and DPw is a weight-average degree of polymerization determined by a GPC-light scattering method using a cellulose acetate propionate prepared by propionylating all residual hydroxy groups of the cellulose acetate (sample).

Nutrient composition having lipid metabolism-improving action

A cellulose acetate according to the present invention has a total degree of acetyl substitution of 0.4 to 1.1 and has a compositional distribution index (CDI) of 3.0 or less, where the CDI is specified by the formula:CDI=(Measured value of half height width of chemical composition)/(Theoretical value of half height width of chemical composition)where the measured value of half height width of chemical composition is a half height width of chemical composition determined by analyzing a cellulose acetate propionate by HPLC, where the cellulose acetate propionate is prepared by propionylating all residual hydroxy groups of the cellulose acetate (sample); andTheoretical value of half height width of chemical composition=2&#xb7;35482&#x221a;{square root over (3**(/3)*(1&#x2212;/3))}/&#x2003;&#x2003;[Math. 1]where DS is the total degree of acetyl substitution; and DPw is a weight-average degree of polymerization determined by a GPC-light scattering method using a cellulose acetate propionate prepared by propionylating all residual hydroxy groups of the cellulose acetate (sample).

Cellulose acetate with a low degree of substitution

Provided is a novel cellulose derivative having excellent water resistance. This is a cellulose acylate oxoalkanoate which is a cellulose derivative corresponding to cellulose, except with substituents replacing part or all of hydrogen atoms in the hydroxy groups of the cellulose. The substituents includes a group represented by General Formula (1) and a group represented by General Formula (2). The cellulose acylate oxoalkanoate has a degree x of substitution with the group represented by General Formula (1), a degree y of substitution with the group represented by General Formula (2), and a degree z of unsubstitution, where x, y, and z meet conditions specified by Expressions (A), (B), and (C):0.1&#x2264;&#x2264;2.99&#x2003;&#x2003;(A)0.01&#x2264;&#x2264;2.90&#x2003;&#x2003;(B)=3&#x2212;&#x2003;&#x2003;(C) 

Cellulose acylate-oxoalkanoate

A nutrient composition, a lipid metabolism-improving agent, and prophylactic and/or therapeutic agents typically for inflammatory bowel diseases, immune disorders, cancers, non-alcoholic steatohepatitis, obesity, diabetes, and hypercholesterolemia each contain a cellulose acetate having a total degree of acetyl substitution of 0.4 to 1.1. The cellulose acetate may be one having a compositional distribution index (CDI) of 2.0 or less, where the CDI is defined by the formula:CDI=(Measured value of half height width of chemical composition)/(Theoretical value of half height width of chemical composition)

Nutritional composition

A nutrient composition contains a cellulose acetate having a total degree of acetyl substitution of 0.4 to 1.1. The cellulose acetate may have a compositional distribution index (CDI) of 2.0 or less, where the CDI is specified by the formula:CDI=(Measured value of half height width of chemical composition)/(Theoretical value of half height width of chemical composition)where the measured value of half height width of chemical composition represents the half height width of chemical composition determined by HPLC analysis of a cellulose acetate propionate prepared by propionylating all residual hydroxy groups of the cellulose acetate (sample); andthe theoretical value of half height width of chemical composition=2.35482&#x221a;{square root over (3**(/3)*(1&#x2212;/3))}/&#x2003;&#x2003;[Math. 1]where DS is the total degree of acetyl substitution; and DPw is a weight-average degree of polymerization determined by a GPC-light scattering method using a cellulose acetate propionate prepared by propionylating all residual hydroxy groups of the cellulose acetate (sample).

Disclosed herein is a quantum dot composite that can maintain luminous efficiency per unit quantum dot even when a quantum dot concentration is high, and therefore can achieve a high emission intensity. The quantum dot composite includes: a matrix; and quantum dots dispersed in the matrix, wherein the matrix is composed of cellulose acetate having a compositional distribution index (CDI) of 3.0 or less, and a concentration of the quantum dots is 0.05 wt % or higher.

Quantum dot composite and wavelength conversion element, photoelectric conversion device, and solar cell having the composite

Problem to be Solved It is intended to provide a conductive resin composition that exhibits high conductivity even without being supplemented with a special resin or a third component, and a molded article obtained from the resin composition. Solution The conductive cellulose-based resin composition of the present invention comprises (A) an aliphatic cellulose ester and (B) at least one carbon material selected from the group consisting of a single-walled carbon nanotube, a multi-walled carbon nanotube, single-layer graphene, multi-layer graphene, fullerene, and carbon black. The volume resistivity of this conductive cellulose-based resin composition is, for example, 10to 20 &#x3a9;&#xb7;cm, preferably 10to 1 &#x3a9;&#xb7;cm. The content of the carbon material (B) is, for example, 0.5 to 80% by weight of the whole conductive cellulose-based resin composition.

Conductive cellulose-based resin composition

The conductive cellulose-based resin composition of the present invention comprises (A) a cellulose acetate ester having a total degree of acetyl substitution of 0.5 to 1.1 and (B) at least one carbon material selected from the group consisting of single-walled carbon nanotube, multi-walled carbon nanotube, single-layer graphene, multi-layer graphene, fullerene, and carbon black. This conductive cellulose resin composition exhibits high conductivity even without being supplemented with a special resin or a third component. Also, the conductive cellulose-based resin composition can be easily molded in an aqueous system.

Provided is a photocatalytic coating film that can develop excellent photocatalytic activity and exhibit superior adhesion to an adherend surface. The photocatalytic coating film is obtained by applying and drying a photocatalytic coating composition containing at least rod-like or needle-like titanium oxide particles and a binder component so that the photocatalytic coating film contains the titanium oxide particles in a content of 0.5 g/mor more. The photocatalytic coating film contains the titanium oxide particle in a content per unit volume (1 mby 1 &#x3bc;m thick) of less than 3.0 g. The titanium oxide particles preferably have an aspect ratio of 1.5 or more, the aspect ratio specified as the ratio of a long side length to a short side length of particle. The compositional ratio (by weight) of the titanium oxide particles to the binder component in the photocatalytic coating film is preferably from 1:6 to 30:1.

Photocatalytic coating film and method for producing same

A semiconductor memory includes: a voltage supply circuit which supplies a first voltage to a word line when an internal circuit is in a standby state, and supplies a second voltage higher than the first voltage to the word line when the internal circuit is in an active state; and a control circuit changes a drive capacity of the voltage supply circuit when changing from the standby state to the active state and the second voltage is supplied to the word line.

Semiconductor memory, semiconductor device, and system

A semiconductor memory is provided which performs redundancy on a memory cell by a given bit unit, the semiconductor memory includes: a comparator circuit that compares an input address and a redundancy address; a judgment circuit that judges whether to perform the redundancy based on a compared result, wherein the judgment circuit outputs a plurality of redundancy judgment signals that indicates whether to perform redundancy for each portion obtained by dividing the given bit unit by n which is an integer equal to or greater than two.

Semiconductor memory and manufacturing method thereof

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Kawasaki, Japan

Toshikazu Nakamura