Mitsubishi Chemical Corporation

Mitsubishi Rayon Company, Limited

Takahiro Mukuda

Masaaki Kiura

Masashi Serizawa

Yoshikazu Saito

Makoto Moriya

Motomi Tanaka

Hiroyuki Fukuoka

Junichi Nakamura

Eiko Okamoto

Yoshihiro Kamon

Hiroshi Niino

Hiroko Shinada

Fumiko Fujie

Yasutaka Doi

Riina Kanbara

Hiroki Fukuta

Takafumi Asai

Mina Nomura

Hiroki Ishii

Katsufumi Mochizuki

Hiroki Hamamoto

A polymer composition, in which a differential distribution value in a differential molecular weight distribution curve of the polymer composition, as measured by gel permeation chromatography, satisfies Equation 1 and a maximum value of a normalized back-scattering intensity of a 35 wt % base oil solution of the polymer composition, where a size q of a scattering vector of small-angle X-ray scattering at 25° C. is in a range of 0.07 nmor more and 2 nmor less, is 40 cmor more.

Polymer composition, lubricant additive, viscosity index improver, lubricant composition, method for producing polymer composition, and method for producing macromonomer

Provided is a resin composition for producing a coating composition excellent in appearance, abrasion resistance, and hardness of a coating film. The resin composition of the present invention includes a compound A having a branched structure which has a terminal hydroxyl group, a polyisocyanate B, and an inorganic particle C, in which the inorganic particle C has a functional group enabling reacting with a hydroxyl group or an isocyanate group on a surface thereof.

Resin composition, coating composition, and coated article

Particles of an acrylic polymer comprising a constituent unit (A) derived from methyl methacrylate and a constituent unit (B) derived from a (meth)acrylic acid alkyl ester in which the alkyl group has 2 to 8 carbon atoms, wherein the particles having electrostatic buildup inhibition rate of 90 to 99.9&#xb0; as obtained by a specific method.

Acrylic polymer particles, production process therefor, ink composition, and coating composition

Particles of an acrylic polymer comprising a constituent unit (A) derived from methyl methacrylic acid and a constituent unit (B) derived from a (meth)acrylic acid alkyl ester in which the alkyl group has 2 to 8 carbon atoms, wherein the particles having electrostatic buildup inhibition rate of 90 to 99.9%.

A stabilizer containing a copolymer (A) obtained by polymerizing an unsaturated monomer mixture including 1 to 50 parts by mass of ethylenically unsaturated monomer (a) (formula (I)) having a piperidyl group in a molecule, 50 to 99 parts by mass of at least one monomer (b) (isobutyl methacrylate, an alkyl (meth)acrylate having an alkyl group with 6 to 13 carbon atoms, or an aromatic vinyl monomer), and 0 to 20 parts by mass of ethylenically unsaturated monomer (c) other than the monomers (a) and (b), where the total of the monomers (a), (b), and (c) is 100 parts by mass: wherein Rrepresents H or an alkyl group having 1 to 2 carbon atoms, X represents an oxygen atom or an imino group, Y represents H or an alkyl or alkoxyl group each having 1 to 20 carbon atoms, and Z represents H or a cyano group.

Stabilizer for polyolefin resin and stabilized polyolefin resin composition

A coating comprising a polymer (I)-containing coating component and colloidal silica (II) of 60 nm or less average particle diameter, wherein 0.5 to 20 parts by mass, in terms of solid content, of colloidal silica (II) is contained per 100 parts by mass of polymer (I) and wherein the area of colloidal silica exposed from the surface of the coating occupies 35% or more based on the coating surface. This coating exhibits excellent antifouling performance and excels in transparency, weather resistance, water resistance, and elongation degree.

Coating, aqueous coating material and process for producing coating using the same, and coated article with coating

Disclosed is a water-based resin composition containing a copolymer (A) which is obtained by carrying out emulsion polymerization of an unsaturated monomer composed of 0.5 to 50 parts by mass of a specific ethylenically unsaturated monomer (a) having a piperidyl group in a molecule and 50 to 99.5 parts by mass of an ethylenically unsaturated monomer (b), which does not substantially contain an ethylenically unsaturated monomer having a specific functional group in a molecule, with the total of the ethylenically unsaturated monomers (a) and (b) being 100 parts by mass, under the coexistence of 0.1 to 10 parts by mass of an emulsifier. Also disclosed are a weather resistance improver for water-based paints using the foregoing water-based resin composition, a weather resistance improver for thermoplastic resins, and a weather resistance improver for solvent-based paints.

Water-based resin composition, weather resistance improver for water-based paint using the same, weather resistance improver for thermoplastic resin, and weather resistance improver for solvent-based paint

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Tokyo, Japan

Takahiro Mukuda