| abstract |
A NOVEL POLYAMIDE POLYMER IS PREPARED BY THE CONDENSATION OF AN ALKYLADAMANTANE DIAMINE OF THE STRUCTURE: 1-R2,3,7-DI(H2N-CH2-),5-R1-ADAMANTANE WHERIN EACH OF R1 AND R2 IS AN ALKYL RADICAL HAVING 1-10 CARBON ATOMS AND A DICARBOXYLIC ACID HAVING THE FOLLOWING STRUCTURE, HOOC-(R)N-COOH WHEREIN R IS ONE OF THE FOLLOWING: -CH2-WITH N=2-12 OR A CYCLIC RADICAL WTH N=1. THE POLYMER IS USEFUL IN FORMING FILMS, TRANSPARENT MOLDED ARTICLES, SHEETS AND FIBERS AND OTHER SIMILAR THERMOPLASTIC PRODUCTS. |