Abstract
The viscosity in an epoxy-novolac system was studied as a function of conversion and temperature. The viscosity of the thermosetting system showed to be proportional to a power of the calculated weight-average molecular weight; however, the exponent of the molecular weight varies with temperature. A better correlation is found if the viscosity is expressed as a product of molecular weight and a friction factor which depends on both temperature and Tg. Data of viscosity versus conversion at different temperatures can be described by one single straight line of slope 1 if this approach is employed.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1196-1201 |
| Number of pages | 6 |
| Journal | Polymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Materials Science and Engineering |
| Volume | 59 |
| State | Published - Dec 1 1988 |
| Event | Proceedings of the ACS Division of Polymeric Materials: Science and Engineering - Fall Meeting - Los Angeles, CA, USA Duration: Sep 26 1988 → Sep 30 1988 |