Toyo Boseki Kabushiki Kaisha

Other

Nitto-Denko Corporation

Katsuya Shimeno

Yasunari Hotta

Takeshi Ito

Hideki Tanaka

Osamu Morimoto

Kayoko Takino

Yoshitaka Hayashi

Satomi Yoshie

Hitoshi Takahira

Yasuo Ohta

Hisato Kobayashi

Syoji Oda

Tomoharu Kurita

Masahiko Nakamori

Akira Nishimoto

Tomohiro Aoyama

Nobuyuki Taniguchi

Kenichi Akamine

Tadashi Nakajima

Daiki Funaoka

Shoko Nagata

Suetsugu Mitsusada

Miyako Shibazaki

Daisuke Sakura

Takashi Miyamoto

The present invention provides a polyester, a polyester composition and a pressure-sensitive adhesive composition capable of obtaining a pressure-sensitive adhesive which is global-environmentally friendly and is excellent in pressure-sensitive adhesion properties, using a plant-derived raw material; and a pressure-sensitive adhesive layer and a pressure-sensitive adhesive sheet which can be obtained by using the same. A polyester of the present invention is a polyester comprising at least a lactic acid unit, a dibasic acid unit and a glycol unit, wherein the dibasic acid unit contains dimer acid, and the polyester has a glass transition temperature as measured at a temperature rising rate of 20&#xb0; C./minute using a differential scanning calorimeter, of &#x2212;70 to &#x2212;20&#xb0; C., a weight average molecular weight of 20,000 to 300,000 and a hydroxyl value of 1 to 100 mgKOH/g.

Polyesters, polyester compositions, pressure-sensitive adhesive compositions, pressure-sensitive adhesive layers and pressure-sensitive adhesive sheets

The present invention provides a fiber having a nano-order fiber diameter, which is produced by without a process of dehydration and cyclization by a heat treatment after fiber spinning and has excellent heat resistance and mechanical strength, and a non-woven fabric composed of the fiber, and discloses the polyamide-imide fiber and the non-woven fabric having an average fiber diameter of from 0.001 &#x3bc;m to 1 &#x3bc;m and also discloses the process for producing threrof. The present invention also provides a separator for an electronic component which has a high conductivity and a small separator thickness and is improved in safety during reflow soldering or short-circuiting, and discloses the separator composed of a non-woven fabric obtained by an electro-spinning method.

Polyamide imide fiber, non-woven fabric composed of the fiber, process for manufacture of the non-woven fabric, and separator for electronic component

This disclosure relates to a polyamideimide resin containing a structure represented by formula (1): 

Polyamideimide resin, as well as a colorless and transparent flexible metal-clad laminate and circuit board obtained therefrom

There is provided an aqueous resin composition excellent in settability, flexibility, retort resistance, hygienicity, sprayability and dispersibility in water, and used to coat an internal surface of a can. The aqueous resin composition contains: polyester resin having a specific structure in a molecular chain thereof and/or at a terminal of the molecular chain, the polyester resin having added thereto an opened ring of a compound having a molecule with a carboxylic anhydride group therein, at least no less than 10% by mole of the compound being a compound having a molecule with no less than two carboxylic anhydride groups, the polyester resin having a resin acid value of 150 to 800 eq/10g and a number-average molecular weight of 5,000 to 100,000; resol-type phenol resin corresponding to a copolymer of a formaldehyde and a phenol compound containing no less than 50% by weight of a phenol compound having no less than three reactive point with formaldehyde, the resol-type phenol resin having no less than one alkoxy methyl group on average per aromatic nucleus; a basic compound; and water, or water and an organic solvent.

Aqueous resin composition, aqueous coating material containing the composition, coating provided by the material, and metal plate coated with the material

Polyester resin for antifouling paint and antifouling paint containing the resin

Growing community of inventors

Ohtsu, Japan

Katsuya Shimeno