LIFE CYCLE ASSESSMENT OF HIGH PERFORMANCE NANOCELLULOSE-REINFORCED ADVANCED FIBRE COMPOSITES

被引：0

作者：

Hervy, Martin ^{[1
]}

Evangelisti, Sara ^{[2
]}

Lettieri, Paola ^{[2
]}

Lee, Koon-Yang ^{[1
]}

机构：

[1] Imperial Coll London, Composites Ctr, Dept Aeronaut, South Kensington Campus, London SW7 2AZ, England

[2] UCL, Dept Chem Engn, London WC1E 7JE, England

来源：

20TH INTERNATIONAL CONFERENCE ON COMPOSITE MATERIALS | 2015年

基金：

英国工程与自然科学研究理事会;

关键词：

Nanocellulose; Nanocomposites; Bacterial Cellulose; Nanofibrillated cellulose; Resin transfer moulding; BACTERIAL CELLULOSE;

D O I：

暂无

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

The research and development of nanocellulose-reinforced polymer composites have dramatically increased in the recent years due to the possibility of exploiting the high tensile stiffness and strength of nanocellulose. In the work, the environmental impacts of bacterial cellulose (BC)- and nanofibrillated cellulose (NFC)-reinforced epoxy composites were evaluated using life cycle assessment (LCA). Neat polylactide (PLA) and 30% randomly oriented glass fibre-reinforced polypropylene (GF/PP) composites were used as benchmark materials for comparison. Our cradle-to-gate LCA showed that BC- and NFC-reinforced epoxy composites have higher global warming potential (GWP) and abiotic depletion potential of fossil fuels (ADf) compared to neat PLA and GF/PP even though the specific tensile moduli of the nanocellulose-reinforced epoxy composites are higher than neat PLA and GF/PP. However, when the use phase and the end-of-life of nanocellulose-reinforced epoxy composites were considered, the "green credentials" of nanocellulose-reinforced epoxy composites are comparable to that of neat PLA and GF/PP composites. Our life cycle scenario analysis showed that the cradle-to-grave GWP and ADf of BC- and NFC-reinforced epoxy composites could be lower than neat PLA when the composites contains more than 60 vol.-% nanocellulose. Our LCA model suggests that nanocellulose-reinforced epoxy composites with high nanocellulose loading is desired to produce materials with "greener credentials" than the best performing commercially available bio-derived polymer.

引用

页数：8

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