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Physical Aging in Poly(vinyl acetate). 2. Relative Rates of Volume and Enthalpy Relaxation

✍ Scribed by Cowie, J. M. G.; Harris, S.; McEwen, I. J.

Book ID
127119223
Publisher
American Chemical Society
Year
1998
Tongue
English
Weight
61 KB
Volume
31
Category
Article
ISSN
0024-9297

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📜 SIMILAR VOLUMES

Physical ageing in poly(vinyl acetate) 1
Physical ageing in poly(vinyl acetate) 1. Enthalpy relaxation
✍ J. M. G. Cowie; S. Harris; I. J. McEwen 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 216 KB 👁 2 views

The enthalpy changes DH ϱ between a poly(vinyl acetate) glass formed by rapid cooling and the corresponding fully relaxed glass have been estimated at four temperatures below the glass transition. The values obtained were different to those expected by extrapolating liquid behavior below the glass t

Temperature and Pressure Dependence of α
Temperature and Pressure Dependence of α-Relaxation and Free Volume in Poly(vinyl acetate)
✍ Günter Dlubek; Duncan Kilburn; M. Ashraf Alam 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 182 KB

## Abstract Summary: We analysed reported specific volume __V__ from pressure‐volume‐temperature (PVT) experiments for poly(vinyl acetate) (PVAc) using the Simha‐Somcynsky equation of state (S‐S eos) and calculated the specific occupied volume, __V__~occ~, and hole free volume, __V__~fh~ We found t