Application of different bark fractions in polypropylene composites: UV and thermal stability
Source abstract
Abstract
Abstract For the comprehensive and value‐added utilization of bark, different fractions such as bark extractives (BE), bark fibers (BF), micron‐sized unbleached cellulose particles (UBCP), and bleached cellulose particles (BCP) were produced from western red cedar (Thuja plicata) bark. These fractions were melt compounded with polypropylene (PP) to make composites. The presence of lignin in UBCP significantly increased composite thermal stability. The addition of UBCP and BE alleviated the photodegradation of composites, increasing the UV stability. However, the addition of BCP accelerated the UV weathering process. The antioxidation and heat‐insulating properties of lignin in UBCP were confirmed in this study.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Lignin and Wood Chemistry · Natural Fiber Reinforced Composites · Advanced Cellulose Research Studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
MOE Key Laboratory of Wooden Material Science and Application Beijing Forestry University Beijing China
Faculty of Forestry University of Toronto Toronto Ontario Canada
John H. Daniels Faculty of Architecture, Landscape, and Design University of Toronto Toronto Ontario Canada
Department of Chemical Engineering and Applied Chemistry University of Toronto Toronto Ontario Canada
Funding
China Postdoctoral Science Foundation · National Natural Science Foundation of China · Natural Sciences and Engineering Research Council of Canada
References (40)
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