𝔖 Bobbio Scriptorium
✦   LIBER   ✦

On the thermal degradation of poly(vinyl chloride). I. An apparatus for investigation of early stages of thermal degradation

✍ Scribed by Kent B. Abbås; Erling M. Sörvik

Publisher
John Wiley and Sons
Year
1973
Tongue
English
Weight
474 KB
Volume
17
Category
Article
ISSN
0021-8995

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

A dehydrochlorination apparatus is described for studies of the early stages of the thermal degradation of poly(vinyl chloride) (PVC), combining good reproducibility, high accuracy, and a low detection limit. The evolved hydrogen chloride is absorbed in water and the electrical conductivity is continuously recorded. Measurements of the rate of dehydrochlorination repeated over an extended period of time showed a standard deviation of 2% of the mean value. The activation energies for the dehydrochlorination in nitrogen for two commercial suspension‐polymerized samples were found to be 27.9 ± 1.5 and 26.2 ± 0.6 kcal/mole.

📜 SIMILAR VOLUMES

Studies in the thermal degradation of po
Studies in the thermal degradation of poly(vinyl chloride)
✍ Felix E. Okieimen; Justus E. Ebhoaye 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 332 KB 👁 2 views

Thermal degradation of poly (vinyl chloride ) (PVC ) was studied in nitrogen atmosphere in the presence of rubber seed oil and epoxidized rubber seed oil, barium and lead soaps of rubber seed oil, and epoxidized seed oil at various temperatures. The rate of dehydrochlorination at 1% degradation and

Radiation effects on the thermal degrada
Radiation effects on the thermal degradation of poly(vinyl chloride) and poly(vinyl alcohol)
✍ Wenwei Zhao; Yukio Yamamoto; Seiichi Tagawa 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 199 KB 👁 2 views

Radiation effects on the formation of conjugated double bonds in the thermal degradation of poly(vinyl chloride) (PVC) and poly(vinyl alcohol) (PVA) were investigated. Thin films of PVC and PVA were either irradiated with ␥-rays at ambient temperature (pre-irradiation) and then subjected to thermal

Thermogravimetric studies of the effect
Thermogravimetric studies of the effect of lead decanoate on the thermal degradation of poly(vinyl chloride)
✍ C. A. Odilora 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 213 KB 👁 2 views

## Thermal degradation of poly(viny1 chloride) Act? Polymericr 41 (1990) Nr. I 71 fur die Charakterisierung von Betriebs-und Versuchsviskosen ausreichend sind. Eine Messung ohne Probenvorbereitung benotigt bei einer 3fach-Bestimmung jeder PartikelgroBe etwa 3 bis 4 Minuten. Die vom Meagerat abgel