✦ LIBER ✦

Thermal fractionation and identification of low-density polyethylenes

✍ Scribed by B. Wolf; S. Kenig; J. Klopstock; J. Miltz

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 397 KB
Volume: 62
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19961128)62:9<1339::aid-app4>3.0.co;2-i

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✦ Synopsis

In the present publication, a method to identify and distinguish between different types of low-density polyethylene based on thermal fractionation and FTIR analysis is described. It was shown that during thermal fractionation four to seven endothermic peaks are obtained as opposed to one or two peaks obtained during regular differential scanning calorimetric analysis. The ratio between band heights at 1368 and 1376 cm-' was found to represent the length of the side chain (branch).

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