PRODUCTION OF HIGH-PURITY FLAME-RETARDANT EPOXY RESIN

• Main Authors: KAJIWARA YOSHITAKA, MOGI SHIGERU, UEDA YOSHIHIKO, MORITA HIROMI, OTA MAKOTO
• Format: Patent
• Language: English
• Published: 16.03.1990
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOSITIONS BASED THEREON; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; SEMICONDUCTOR DEVICES; THEIR PREPARATION OR CHEMICAL WORKING-UP

PURPOSE:To obtain the subject resin having remarkably reduced rate of Br<-> elimination under boiling at high temperature by using an amino group- containing compound after the bromination of a novolak resin in the production of a brominated novolak resin to be used as a raw material. CONSTITU...