Mitsubishi Chemical Corporation

Nanyang Technological University

Shunsuke Chatani

Hiroshi Niino

Atsushi Goto

Hiromi Aso

Masashi Ikawa

Haruki Okada

Fumiko Fujie

Longqiang Xiao

Jun Jie Chang

Yuki Miyahara

Shuyao Hsu

A high-molecular-weight compound having a plurality of polymer chains linked through a divalent or higher-valent linking group, in which the divalent or higher-valent linking group has a thiol group and at least one of a thioether structure and a thiourethane structure, and a ratio of an absolute weight-average molecular weight to a relative weight-average molecular weight (absolute Mw/relative Mw) of the high-molecular-weight compound is 1.25 or more; and a method for producing the same are provided.

High-molecular-weight compound and method for producing same, composition and method for producing same, resin composition, additive for lubricating oil, and lubricating oil

Provided is a block copolymer composition which contains a block copolymer having a specific molecular structure and has a molecular weight distribution within an appropriate range. A polymerizable composition containing a macromonomer (A) which has a group having a radical-reactive unsaturated double bond at one terminal of a poly(meth)acrylate segment, a vinyl monomer (B), and an organic iodine compound (C), or a polymerizable composition containing a macromonomer (A), a vinyl monomer (B), an azo-based radical polymerization initiator (E), and iodine is polymerized to obtain a block copolymer composition containing a block copolymer in which constitutional units of all blocks are derived from vinyl monomers and at least one block has a branched structure.

Block copolymer composition and production method therefor

The present invention relates to a curable composition containing a thiol compound (A) having at least two thiol groups in a molecule thereof, an isocyanate compound (B) having at least two isocyanate groups in a molecule thereof, a phosphine compound (C), an acid (D) having an acid dissociation constant (pKa) of 3 or less relative to water, and a Michael acceptor (E); wherein, the content of the phosphine compound (C) is 1.3% by mass or less based on 100% by mass of the curable composition.

Curable composition, adhesive, article having coating layer, fiber-reinforced composite material and curable composition kit

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Tokyo, Japan

Shunsuke Chatani