Mitsubishi Chemical Corporation

Mitsubishi Rayon Company, Limited

Fuminori Nakaya

Tetsuya Noda

Keiichi Sakashita

Junichi Abe

Taeko Oonuma

Yoshiko Irie

Yosuke Matsunaga

Shingo Hikita

Hajime Okutsu

Hiroyuki Nogami

Kousuke Fujiyama

Takafumi Asai

Masanari Nishimura

Keiko Shouji

The present application pertains to a production method for a polymer, including a step for polymerizing a starting material composition (I) that includes: a monomer mixture (I-1) containing a macromonomer (a) represented by the following formula (1), and (b) a vinyl monomer; and 0.01 to 5 parts by mass of a non-metallic chain transfer agent with respect to 100 parts by mass of the monomer mixture (I-1); a polymer obtained by the production method; and a molded article. According to the present invention, there can be provided a polymer having exceptional resistance to dwell-induced degradation, and a molded article having exceptional yellowing resistance, a low haze value, and exceptional pliability. 

Polymer, production method for same, and molded article

Provided is an acrylic resin laminate film which has an excellent bonding property, resistance to water blushing, and an excellent external appearance. This acrylic resin laminate film is provided with: an acrylic resin layer (I) comprising an acrylic resin composition (A); and an acrylic resin layer (II) comprising a resin composition (B) that contains a reactive group-containing acrylic resin (B-1). (B) contains 10-100 mass % of (B-1), and 0-90 mass % of (B-2), which is an acrylic resin other than (B-1), with respect to 100 mass % of the total of (B-1), and (B-2), and further contains 0-50 parts by mass of (C), which is an additive other than (B-1), and (B-2), with respect to 100 parts by mass of the total of (B-1), and (B-2). (B-1) contains a monomer unit which has a substituent that reacts with an amino group, or a methylol group. The content of the monomer unit that has the reactive substituent is 3 mass % or more with respect to 100 mass % of (B).

Acrylic resin laminate film, manufacturing method therefor, and melamine decorative board

Provided is a laminate film having excellent bonding properties, resistance to water whitening, and chemical resistance, and containing a fluororesin layer comprising a fluororesin composition, and an acrylic resin layer comprising a resin composition that contains a reactive group-containing acrylic resin, acrylic rubber particles, and a thermoplastic resin.

Laminate film, method for manufacturing same, and melamine decorative panel

The objective of the present invention is to provide a thermoplastic resin powder that suppresses a decrease in fluidity of a composition during melt molding and that has a suppressed alteration of the resin resulting from retention. The thermoplastic resin powder is obtained by coagulating a polymer from a latex produced by means of emulsion polymerization of a monomer, the content of metal-corroding free acids in the thermoplastic resin powder is no greater than 500 ppm, and the thermoplastic resin powder satisfies a predetermined formula (1).

Thermoplastic resin powder and method for producing same

To provide a novel compound having both a surface-activating ability and a polymerization controlling ability. A compound represented by the following general formula (1) or (2):  wherein, Rand Rare an organic group having the hydrophile-lipophile balance (HLB) determined by Griffin's method of 3 or more. The definitions of R, R, R, R, Z, p and q are described in the Description.

Chain transfer agent and emulsion polymerization using the same

An object of the invention is to provide a curable composition having a HALS skeleton and capable of producing polymers having excellent weather resistance and outer appearance. The present invention provides a curable composition including at least a monomer component that contains a monomer (A) represented by a certain formula and a monomer (B) polymerizable with the monomer (A). In the curable composition, the content of the monomer (A) is 0.01 to 35 mol % in the monomer component, and the content of the monomer (B) is 65 to 99.99 mol % in the monomer component.

Curable composition and polymer

An object of the invention is to provide a molding with suppressed coloring which has good weather resistance and in which the advantageous effect does not decrease with time. The present invention provides a molding material comprising a polymer (A) obtained by polymerizing 0.01 to 35 mol % of monomer (a1) represented by a specified formula (1) and 65 to 99.99 mol % of monomer (a2) whose main component is methylmethacrylate.

Molding material and molding

To provide a novel compound having both a surface-activating ability and a polymerization controlling ability. A compound represented by the following general formula (1) or (2): 

Disclosed are a method for producing a polymer by a polymerization of a mixture at a temperature of 210&#xb0; C. or lower, wherein the mixture comprises 0.01 to 35 mol % of a monomer or a polymer thereof which has a piperidine skeleton represented by formula (1), and a molded body thereof.  Rrepresents a hydrogen atom or a methyl group, X represents an oxygen atom, an imino group, or a specific oxygen atom containing a hydrocarbon group, and Rand Rrepresent a hydrogen atom, a linear alkyl group with C1 to C8, a branched alkyl group with C1 to C8, an alicyclic hydrocarbon with C6 to C8, or an aryl group, wherein Rand Rmay also form a cyclic structure.

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Otake, Japan

Fuminori Nakaya