Toagosei Company, Ltd.

The University of Tokyo

Daisuke Kamiya

Shiroshi Matsuki

Kiyokazu Mizutani

Akihiro Gotou

Ryo Saito

Tsuguyuki Saito

Hiroyuki Ota

Keiji Maeda

Hitoshi Kato

Makoto Niwa

Akemi Koketsu

Hiroshi Iesako

Shuji Fujisawa

Yoichi Kirito

Jun Takada

Kotaro Yoneda

Shun Nakano

Provided is an oxidized cellulose, aC solid-state NMR spectrum of the oxidized cellulose including a number of peaks in a range of from 165 ppm to 185 ppm, which can be produced by oxidizing a cellulose raw material with a hypochlorous acid or salt thereof having an available chlorine concentration of from 6% by mass to 14% by mass, while adjusting the pH in a range of from 5.0 to 14.0.

Oxidized cellulose, method of producing oxidized cellulose and nanocellulose, and nanocellulose dispersion

A method of producing a resin modifier, the method comprising a process of polymerizing an ethylene unsaturated monomer in the presence of a cellulose nanofiber, the cellulose nanofiber being reacted with an amine or a quaternary ammonium salt compound.

Method of producing resin modifier, resin modifier, and composite material

An object of the present invention is to provide an efficient method for producing cellulose nanofibers, without N-oxyl compounds such as TEMPO remaining in the cellulose nanofibers. Provided is a method for producing cellulose nanofibers, the method including: oxidizing a cellulose raw material with hypochlorous acid, or a salt thereof, having an available chlorine concentration of from 14% by mass to 43% by mass, to produce an oxidized cellulose; and fibrillating the oxidized cellulose into nanofibers.

Method for producing cellulose nanofibers

A heat-sensitive adhesive sheet comprising a substrate having formed thereon an adhesive layer comprising a polymer composition (C) which comprises the following aqueous emulsion (A) and copolymer (B), wherein an adhesive force determined by the 180&deg; peeling test method as specified in JIS Z 0237 at a temperature of 25&deg; C. is 10 g/25 mm or less: Aqueous emulsion (A): An aqueous emulsion containing an alkyl (meth)acrylate-based polymer (a) having a glass transition temperature of &minus;10&deg; C. or below, which is obtained by emulsion-polymerizing radically polymerizable monomers containing as the main component an alkyl (meth)acrylate; and Copolymer (B): A water-soluble or water-dispersible copolymer (B) having a glass transition temperature of 20&deg; C. or above, which is a copolymer obtained by copolymerizing an &agr;,&bgr;-ethylenically unsaturated carboxylic acid with other radically polymerizable monomers, wherein a part or the entire amount of carboxyl groups in the copolymer is neutralized with a base having a boiling point of 110&deg; C. or below.

Heat-sensitive adhesive sheet

Process for producing labeled article

Growing community of inventors

Aichi, Japan

Daisuke Kamiya