期刊
COMPOSITES SCIENCE AND TECHNOLOGY
卷 155, 期 -, 页码 64-71出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2017.12.001
关键词
Nano composites; Mechanical properties; Anisotropy; Aerogels
资金
- TEKES FiDiPro Programme
- European Research Council under the European Union's Seventh Framework Programme (FP, ERC Grant Agreement) [336267]
- Academy of Finland [268378]
- Academy of Finland (AKA) [268378, 268378] Funding Source: Academy of Finland (AKA)
Cellulose nanofiber aerogels were used as preforms that were impregnated with a bio-epoxy resin via a widely used vacuum infusion process. The simple and straightforward nanocomposite processing approach resulted in an almost 70% improvement in the storage modulus of the polymer with only an 11.7 wt% cellulose nanofiber content. The nanofibers were well dispersed in the polymer matrix and the fiber structures were anisotropically aligned. The impregnation time of the aerogels was also significantly lower than that of the more commonly used nanopapers. It was thus shown that environmentally friendly and mechanically robust nanocomposites could be produced by impregnating cellulose nano fiber aerogels with a thermosetting resin using a processing approach that has potential to be scaled up for commercial use. (C) 2017 Elsevier Ltd. All rights reserved.
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