Mitsubishi Chemical Corporation

Kyoto University

The Nippon Synthetic Chemical Industry Co., Ltd.

Emaus Kyoto, Inc.

Shoya Yoda

Yuko Yoda

Akira Ishikubo

Atsushi Takahashi

Yoshinobu Tsujii

Shusaku Mandai

Keita Sakakibara

Toshikazu Oda

Akira Harada

Hayato Ogasawara

Takumi Watanabe

Norio Ishizuka

Tadashi Ohtani

Tomoaki Hiwatashi

Kyoko Konishi

Noriaki Terada

Yuki Haruta

Risa Nakata

Hanako Katou

Shouhei Hirase

Satoru Misawa

Shohei Hirase

One embodiment of the present invention is a protein having affinity for an immunoglobulin, which is a protein having two or more domains derived from any of the amino acid sequences of E, D, and A domains of protein A, and in the amino acid sequence of at least one of the domains, one or more lysines are included, and the C-terminal lysine is deleted or substituted, or a protein having affinity for an immunoglobulin, which is a protein having two or more domains derived from any of B, C, and Z domains of protein A, and in the amino acid sequence of at least one of the domains, one or more lysines are included, and lysine at position 4 and the C-terminal lysine are deleted or substituted.

Protein having affinity for immunoglobulin, affinity separation agent and column for liquid chromatography using the same

The present invention provides a separating medium including porous resin particles which has a sufficient pore diameter suitable for liquid chromatography applications and which has high strength, is reduced in pressure loss during liquid passing, has the excellent property of separating a desired substance, and has low nonspecific adsorption properties. The separating medium of the invention is a separating medium obtained by treating porous epoxy resin particles and having an average pore diameter of 10 to 2,000 nm, or a separating medium obtained by treating porous epoxy resin particles and having a water content of 50% or higher.

Separating medium and column for liquid chromatography

An object of the present invention is to improve the water dispersibility of the PVA-based resin and also to suppress the swelling of the PVA-based resin. The object is achieved by organic-inorganic composite particles, which have an average particle size of preferably 1 &#x3bc;m to 3,000 &#x3bc;m, including a polyvinyl alcohol-based resin and a component having a three-dimensional siloxane crosslinked structure that is derived from a hydrolysis-polycondensation product of an alkoxysilane and/or a low condensate thereof, wherein the alkoxysilane includes a T unit and/or a Q unit as a structural unit (s), and a Si content with respect to a total weight of the composite particles is 0.1 wt % or more and 23 wt % or less in terms of SiO.

Organic-inorganic composite particles

The purpose of the present invention is to provide a carbon fiber bundle for resin reinforcement purposes, which is produced using a sizing agent that can exert satisfactory interface adhesiveness to both of a carbon fiber bundle and a thermoplastic resin in the production of a carbon-fiber-reinforced thermoplastic resin, and which has satisfactory emulsion stability. One embodiment of the present invention is a carbon fiber bundle for resin reinforcement purposes, which comprises a carbon fiber bundle and a polymer adhered onto the carbon fiber bundle, wherein the polymer is produced by binding an acid-modified polyolefin having a polyolefin structure and an acidic group in the molecular structure thereof to a hydrophilic polymer having a weight average molecular weight (Mw) of 450 or more, and wherein the ratio of the mass of the polyolefin structure to the mass of the acidic group in the acid-modified polyolefin is 100:0.1 to 100:10, the ratio of the mass of the acid-modified polyolefin to the mass of the hydrophilic polymer is 100:1 to 100:100, and the content of the polymer in the carbon fiber bundle for resin reinforcement purposes is 0.1 to 8.0 mass % inclusive.

Carbon fiber bundle for resin reinforcement purposes and method for producing same, and carbon-fiber-reinforced thermoplastic resin composition and molded product thereof

The present invention relates to a cosmetic composition comprising: a copolymer having a constituent unit corresponding to (A) a vinyl monomer having a carboxyl group in a structure and a constituent unit corresponding to (B) a vinyl monomer represented by the following formula (1); a cationic surfactant; a higher alcohol; and a silicone oil:CH&#x2550;C(R)&#x2014;CO&#x2014;X-(Q-O)&#x2014;R&#x2003;&#x2003;(1)wherein Ris a hydrogen atom or a methyl group; Ris a hydrogen atom or an alkyl group having a carbon number of 1 to 5, each of which may have a substituent; Q is an alkylene group having a carbon number of 2 to 4, which may have a substituent; r represents an integer of 2 to 15; and X represents an oxygen atom or NH, and the number of atoms bonded linearly to each other in the structure of -(Q-O)&#x2014;Ris 70 or less.

Cosmetic composition, hair cosmetic and hair treatment cosmetic

To provide a cosmetic composition and a hair wash which are excellent in metal pyrithione salt persistence after washing with a washing liquid containing a surfactant, etc. A cosmetic composition and a hair wash, which comprise a copolymer and a metal pyrithione salt, wherein the copolymer contains constituting units corresponding to a cationic vinyl monomer of a specific structure and constituting units corresponding to a nonionic vinyl monomer of a specific structure.

Cosmetic composition and hair wash

Provided is a water-soluble resin which gives a conditioning effect when it is used in a hair cosmetic material containing an anionic surfactant, or the like. A water-soluble resin having a structure corresponding to a copolymer of a monomer mixture containing a vinylic monomer (A) having a hydroxyl group and an amido bond, and a vinylic monomer (B) having a cationic group.

Water-soluble resin, hair cosmetic material containing the same, and silicone oil adsorption assistant

A detergent composition, which imparts smoothness in finger-combing in rinsing after washing and smoothness, silky texture and non-stiffness to hair after application and drying is provided. The detergent composition comprises a copolymer having no cross-linking units and comprising constituting units corresponding to a cationic vinyl monomer (A) and constituting units corresponding to a specific vinyl monomer (B) having a hydroxyl group or an amide group, wherein the proportion of the constituting units corresponding to the cationic vinyl monomer (A) is from 25 to 45 mol % based on the entire constituting units constituting the copolymer.

Copolymer and detergent composition employing it

A detergent composition containing a copolymer and a surfactant is provided. The copolymer comprises a cationic vinyl monomer (A) a specific vinyl monomer (B) having a hydroxyl group or an amide group, or 2,3-dihydroxypropyl(meth)acrylate wherein the proportion of the cationic vinyl monomer (A) is from 25 to 45 mol % of the copolymer. A method for cleaning an object by washing the object with the detergent composition is also provided.

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Yokkaichi, Japan

Shoya Yoda