| abstract |
NEW MATERIAL:A compound expressed by formula I (R 1 is m-valent chain hydrocarbon; R 2 is alkylene or alkylidene; R 3 is H, alkyl, phenyl or nitro; m is 2 or 3). n EXAMPLE: The compound expressed by formula II. n USE: A sealing material, molding material, casting material, adhesive and coating material. The compound is capable of producing cured articles by polymerization with very little volume change due to polymerization. n PREPARATION: A bicyclo compound expressed by formula III is reacted with a polyfunctional carboxylic acid halide expressed by formula V (X is halogen) generally in an inert solvent, e.g. carbon tetrachloride, in the presence of a basic compund, e.g. pyridine, at room temperatureW100°C. n COPYRIGHT: (C)1985,JPO&Japio |