✦ LIBER ✦

Contribution to the study of rigid PVC polyblends with different lignins

✍ Scribed by D. Feldman; D. Banu

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 271 KB
Volume: 66
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19971128)66:9<1731::aid-app11>3.0.co;2-y

No coin nor oath required. For personal study only.

✦ Synopsis

Evaluation of different types of lignins and lignin derivatives, representing a spectrum of significant differences in regard to delignification processes and the nature of wood, in blending with a rigid poly(vinyl chloride) (PVC) compound for outdoor application is discussed. The influence of lignins on the processability of the blends, as well as on their strength at yield, break, and impact before weathering, and after 7 days of artificial weathering period (in the presence of ultraviolet light, humidity, and moderate temperature) was investigated, and the data correlated with those of rigid PVC compound. Infrared and thermal analysis were performed to elucidate the morphology of the blends.

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