Audio-technica Corporation

Mitsubishi Gas Chemical Company, Inc.

Jun Yokoi

Morio Gaku

Hidenori Kimbara

Mitsuru Nozaki

Yasunari Osaki

Display screen or portion thereof with graphical user interface

A method for producing a rigid resin mold for preparing plastic moldings which comprises:

Method for producing rigid resin molds

A process for producing a curable resin which comprises reacting (a) at least one cyanate ester compound selected from the group consisting of polyfunctional cyanate esters having two or more cyanato groups per one molecule, prepolymers of the cyanate esters or mixtures thereof with (b) at least one compound having hydroxy group(s) and radical-polymerizable unsaturated double bond(s) in its molecule, the cyanate ester compound (a) and the compound (b) being used so that the ratio of the cyanato group to the hydroxy is in the range of from about 1:0.1 to about 1:2, in the presence of (c) a radical polymerization inhibitor at a temperature of about 80.degree.-about 140.degree. C. The curable resin produced according to the present invention is capable of giving cured products having excellent heat resistance and electrical properties.

Preparation of curable resin from cyanate ester compound

Growing community of inventors

Tokyo, Japan

Jun Yokoi