The heat of fusion of poly(ethylene terephthalate)

✍ Scribed by Starkweather, Howard W. ;Zoller, Paul ;Jones, Glover A.

• Book ID: 105334785
• Publisher: Wiley (John Wiley & Sons)
• Year: 1983
• Tongue: English
• Weight: 222 KB
• Volume: 21
• Category: Article
• ISSN: 0098-1273
• DOI: 10.1002/pol.1983.180210211

✦ Synopsis

Abstract

By use of the Clapeyron equation for the dependence of the melting point on pressure, the heat of fusion was found to be 32.5 cal/g, in good agreement with values determined by other methods. An equation for the dependence of the melting point on the degree of polymerization gave a heat of fusion of 27.6 cal/g when applied to hydroxyl‐terminated oligomers. This simple relation applied all the way down to the smallest member of the series, di(hydroxy ethyl) terephthalate.