Composite Cholesteric Nanocellulose Films with Enhanced Mechanical Properties
Source abstract
Abstract
Cellulose nanocrystals (CNCs) form cholesteric films that exhibit birefringence, iridescence, and circular dichroism; however, these films are brittle and prone to cracking. Here we report composite cholesteric films formed from CNCs and soft reactive latex nanoparticles (NPs) (the latter underwent in situ cross-linking during film formation). Composite films exhibited a self-stratified morphology, with lateral cholesteric CNC-rich layers and isotropic latex NP-rich layers. The films retained their photonic properties and exhibited significantly enhanced mechanical properties. In comparison with latex-free CNC films, composite films had an ∼60% higher toughness but did not compromise their tensile strength. The combination of photonic performance and improved mechanical properties of the composite nanocellulose films expands the range of applications of these materials for the fabrication of optical devices.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Cellulose Research Studies · Lignin and Wood Chemistry · Polysaccharides and Plant Cell Walls
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
Faculty of Forestry, University of Toronto, Toronto, Ontario M5S 3B3, Canada
Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada
Institute of Biomaterials and Biomedical Engineering, University of Toronto, 4 Taddle Creek Road, Toronto, Ontario M5S 3G9, Canada
Funding
Canada Research Chairs · Natural Sciences and Engineering Research Council of Canada
References (37)
Show source-provided references
1. 10.1021/cr900339w10.1021/cr900339w ↗
2. 10.1038/am.2013.6910.1038/am.2013.69 ↗
3. 10.1002/anie.20140714110.1002/anie.201407141 ↗
4. 10.1016/j.bmcl.2015.12.06010.1016/j.bmcl.2015.12.060 ↗
5. 10.1016/j.memsci.2008.04.00910.1016/j.memsci.2008.04.009 ↗
6. 10.1038/srep0153610.1038/srep01536 ↗
7. 10.1016/j.compositesa.2015.10.03810.1016/j.compositesa.2015.10.038 ↗
8. 10.1002/(SICI)1097-4628(19990815)73:7<1329::AID-APP26>3.3.CO;2-H10.1002/(SICI)1097-4628(19990815)73:7<1329::AID-APP26>3.3.CO;2-H ↗
9. 10.1080/0267829940803652510.1080/02678299408036525 ↗
10. 10.1021/acs.langmuir.5b0092410.1021/acs.langmuir.5b00924 ↗
11. 10.1021/ja301845n10.1021/ja301845n ↗
12. 10.1016/j.snb.2012.09.10010.1016/j.snb.2012.09.100 ↗
13. 10.1117/1.JNP.6.06351610.1117/1.JNP.6.063516 ↗
14. 10.1016/j.carbpol.2014.10.02010.1016/j.carbpol.2014.10.020 ↗
15. 10.1080/02678292.2013.78313710.1080/02678292.2013.783137 ↗
16. 10.1038/nature0954010.1038/nature09540 ↗
17. 10.1002/anie.20110547910.1002/anie.201105479 ↗
18. 10.1002/anie.20120111310.1002/anie.201201113 ↗
19. 10.1021/am506786t10.1021/am506786t ↗
20. 10.1021/acsnano.5b0507410.1021/acsnano.5b05074 ↗
21. 10.1016/j.polymer.2008.08.00810.1016/j.polymer.2008.08.008 ↗
22. 10.1021/la991395710.1021/la9913957 ↗
23. 10.1021/mz400464d10.1021/mz400464d ↗
24. 10.1016/j.porgcoat.2015.04.01410.1016/j.porgcoat.2015.04.014 ↗
25. 10.1039/C5PY00699F10.1039/C5PY00699F ↗
26. 10.1016/j.jconrel.2015.09.02710.1016/j.jconrel.2015.09.027 ↗
27. 10.1021/am404382x10.1021/am404382x ↗
28. 10.1007/s10570-010-9396-810.1007/s10570-010-9396-8 ↗
29. 10.1016/j.carbpol.2015.09.09610.1016/j.carbpol.2015.09.096 ↗
30. 10.1039/C5NR00660K10.1039/C5NR00660K ↗
31. 10.1002/anie.20150027710.1002/anie.201500277 ↗
32. 10.1038/ncomms1252010.1038/ncomms12520 ↗
33. Lampman S. · 200310.31399/asm.tb.cfap.9781627082815 ↗
34. Perrin D. · 1972
35. Box G. E. P. · 1978
36. Collyer A. A. · 199410.1007/978-94-011-1260-4 ↗
37. 10.1002/adma.20150240310.1002/adma.201502403 ↗