Abstract
Changes in the glass transition temperature of end-linked networks as a result of the cure process have been studied by examination of a series of stoichiometrically imbalanced PDMS networks covering a wide range of stoichiometric ratio values. The data were compared to existing theories in an effort to resolve the question of cross-link contribution to Tg. The results support the notion based on the Gibbs-DiMarzio theory that elastically effective junctions rather than any branch point dominate the contribution of cross-links to Tg. It has also been shown that existing theories are capable of predicting cure-related changes in Tg for a variety of cross-linked systems.
| Original language | English |
|---|---|
| Pages (from-to) | 4036-4042 |
| Number of pages | 7 |
| Journal | Macromolecules |
| Volume | 25 |
| Issue number | 15 |
| DOIs | |
| State | Published - 1 Jul 1992 |
ASJC Scopus subject areas
- Organic Chemistry
- Polymers and Plastics
- Inorganic Chemistry
- Materials Chemistry