Journal
POLYMER
Volume 41, Issue 13, Pages 4901-4908Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0032-3861(99)00714-4
Keywords
polyethylene/lignin blends; polypropylene/lignin blends; degradation
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Lignin, a natural polymer was used as a filler in low-density polyethylene and polypropylene up to 30 wt%. The influence of lignin blending on processing stability, mechanical properties and light and long-term heat degradation are described for both polymer blend types. It was shown, that there is a different degradation behaviour between polyethylene-lignin and polypropylene-lignin blends. The lignin concentration influenced both the tensile strength and melt flow index. (C) 2000 Elsevier Science Ltd. All rights reserved.
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