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Process analysis: properties of poly(ethylene terephthalate) measured by near infrared spectroscopy, 2. In-line analysis of poly(ethylene terephthalate) melt

✍ Scribed by Hans Lammers; Marinus P. B. Van Uum; Jaap P. De Kleijn

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
258 KB
Volume
196
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

Near infrared (NIR) transmission spectra recorded from poly(ethylene trerephthalate) (PET) melt contain a sufficient amount of information to estimate the number of carboxylic end groups and the relative viscosity. In‐line monitoring of these quality parameters is feasible.

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