Report
Time-Temperature-Transformation (TTT) cure diagrams: Relationship between Tg and the temperature and time of cure for a polyamic acid/polyimide system (Technical Report No. 12, 31 Dec. 1984 - 31 Dec.) (1986)
Time-Temperature-Transformation (TTT) cure diagrams: Relationship between Tg and the temperature and time of cure for a polyamic acid/polyimide system (Technical Report No. 12, 31 Dec. 1984 - 31 Dec.) (1986)
01 May 1987
Abstract
Glass transition temperatures (Tg) were obtained versus isothermal temperature (Tcure) and time of cure for a polyamic acid/polyimide system. A time temperature-transformation (TTT) isothermal cure diagram was constructed to include the time to vitrification and iso-Tg curves. As for epoxies, the relationship between Tcure and the time to vitrification is S-shaped. Plots of Tg versus Tcure show that solvent evaporation and chemical reaction are controlled by vitrification. (GRA)
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Details
- Title
- Time-Temperature-Transformation (TTT) cure diagrams: Relationship between Tg and the temperature and time of cure for a polyamic acid/polyimide system (Technical Report No. 12, 31 Dec. 1984 - 31 Dec.) (1986)
- Creators
- G PalmeseJ Gillham
- Publication Details
- Time-Temperature-Transformation (TTT) cure diagrams: Relationship between Tg and the temperature and time of cure for a polyamic acid/polyimide system (Technical Report No. 12, 31 Dec. 1984 - 31 Dec.) (1986)
- Resource Type
- Report
- Language
- English
- Academic Unit
- Chemical and Biological Engineering
- Identifiers
- 991019201508804721