Mitsubishi Chemical Corporation

Bridgestone Corporation

Oji Holdings Corporation

Yupo Corporation

Rie Shirahama

Atsushi Kasai

Satoshi Kato

Takatoshi Nishizawa

Yuichi Noguchi

Yasutomo Noishiki

Hideko Akai

Kazunori Yano

Tatsuya Hitomi

Atsushi Kusuno

Saaya Takaoka

Yuuko Motegi

There is provided a polyester resin including a 2,5-furandicarboxylic acid unit and a cyclohexanedimethanol unit in a main chain, in which the polyester resin is high in molecular weight, has heat resistance and hydrolysis resistance, and is excellent in mechanical properties and melt heat stability. There is also provided a method for producing a polyester resin having the above characteristics. A polyester resin including a 2,5-furandicarboxylic acid unit and a 1,4-cyclohexanedimethanol unit as main constituent components, wherein the following (I) and (II) are satisfied: (I) the reduced viscosity (&#x3b7;sp/c) is 0.7 dL/g or more; and (II) the sum of a cyclovinylidene terminal and a methylcyclohexene terminal is 80 &#x3bc;eq/g or less.

Polyester resin, production method for said polyester resin, and polyester resin composition

Provided are a rubber composition provided with excellent reinforcement properties by improving the dispersibility of fibers in a rubber component when the fibers are added to the rubber, a method for manufacturing the same, a vulcanized rubber, and a tire. A rubber composition comprising a rubber component and short fibers, wherein the short fibers are cationized. A method for manufacturing the rubber composition, comprising a mixing step for mixing cationized short fibers and rubber latex to prepare a rubber-short fiber mixed solution, and a drying step for drying the rubber-short fiber mixed solution to give a rubber composition.

Rubber composition, method for manufacturing same, vulcanized rubber, and tire

The object of the present invention is to provide a biodegradable label for in-mold forming, which is excellent in water resistance, is printable to allow for printing letters, or the like, by various printing methods, and is biodegradable in a natural environment; and to provide a biodegradable container attached with this biodegradable label for in-mold forming. In the present invention, the gist of the first invention is a biodegradable label for in-mold forming, comprising a laminate film (a/b), having a film (a), comprising a biodegradable resin (A), and a film (b), comprising a heat-sealable biodegradable resin (B); and the gist of the second invention is a biodegradable container attached with this biodegradable label for in-mold forming.

Biodegradable label for in-mold forming and biodegradable container having the label attached thereto

An aliphatic polyester polyether copolymer is provided having an aliphatic polyester moiety comprising 35 to 50 molar % of an aliphatic diol unit, 35 to 50 molar % of an aliphatic dicarboxylic acid unit and 0 to 30 molar % of an aliphatic oxycarboxylic acid unit and a polyether moiety, wherein &#x3b7;/C is not less than 1.40 and the ratio by weight of the polyether moiety to the aliphatic polyester polyether copolymer is 0.1 to 90% by weight.

Aliphatic polyester polyether copolymer, process for producing the same and aliphatic polyester composition using the copolymer

Growing community of inventors

Yokohama, Japan

Rie Shirahama