## Abstract Novel regular network polyester films were prepared from benzenetricarboxylic acids of trimesic (Y) and trimellitic (Z) acids, and glycols of ethylene (2G), tetramethylene (4G), and hexamethylene (6G) glycols. Prepolymers prepared by melt polycondensation for a short period within 1 h w
Regular network polyesters from benzenepolycarboxylic acids and glycol
โ Scribed by Tsuyoshi Kiyotsukuri; Nobuhisa Takemoto; Naoto Tsutsumi; Wataru Sakai; Minoru Nagata
- Book ID
- 103354080
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 521 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0032-3861
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๐ SIMILAR VOLUMES
Network copolyesters were prepared from trimesic (Y), pyromellitic (X) or mellitic (YH) acids and 1,6-hexanediol(6G). Prepolymers prepared by meltpolycondensation were cast from dimethylformamide solution and postpolymerized at 260ยฐC for 6 h to form a network. The resultant films were transparent, f
During the past decade, important advances have been made in the understanding of the hydrolytic degradation characteristics of aliphatic polyesters derived from lactic acid (LA) and glycolic acid (GA). Degradation of large poly(LAGA) (PLAGA) polymers is autocatalyzed by carboxyl end groups initiall