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Electrically conductive and light-weight branched polylactic acid-based carbon nanotube foams
| Content Provider | Scilit |
|---|---|
| Author | Liu, Wei Wu, Xian Ou, Yangjia Liu, Hao Zhang, Chun |
| Copyright Year | 2021 |
| Abstract | In spite of the high electrical conductivity of carbon nanotube (CNT), its tendency to aggregate and expensive cost in fabricating aerogel, foams, and porous materials remains a problem. Therefore, we described a simple and feasible way to design light-weight, high electrically conductive, and cost-efficient polylactic acid (PLA)/CNT foams. The branched PLA (BPLA) resin with excellent melt elasticity and foamability was induced by nucleophilic ring-opening reaction of epoxy-based acrylic/styrene copolymer and PLA. After that, BPLA/CNT composites and foams were prepared by melt-mixing and supercritical carbon dioxide foaming technology, respectively. The thermal, electrical, and foaming properties were studied. The resultant BPLA/CNT foam possessed a low density of 0.174 g/cm3 and high crystallinity of 3.03%. An improvement of the oriented structure of CNT induced by cell growth in BPLA matrix increased the conductivity of the foam up to 3.51 × 104 Ω/m. The proposed foaming materials provided a way for designing and preparing high performance CNT products. |
| Related Links | https://www.degruyter.com/document/doi/10.1515/epoly-2021-0013/pdf |
| ISSN | 21974586 |
| e-ISSN | 16187229 |
| DOI | 10.1515/epoly-2021-0013 |
| Journal | e-Polymers |
| Issue Number | 1 |
| Volume Number | 21 |
| Language | English |
| Publisher | Walter de Gruyter GmbH |
| Publisher Date | 2021-01-01 |
| Access Restriction | Open |
| Subject Keyword | E-polymers Composite Materials Foams Biopolymers Branched Nanofibers Conducting Polymers Journal: e-Polymers, Vol- 21 |
| Content Type | Text |
| Resource Type | Article |
