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Starch Nanocrystals with Large Chain Surface Modifications
Abstract
Nanoscale monocrystalline starch particles were successfully modified using stearic acid chloride and poly(ethylene glycol) methyl ether. Surface modification was confirmed using FTIR, XPS spectroscopy, and contact angle measurements. X-ray diffraction and DSC analysis confirmed that there was no alteration of the starch crystalline structure due to the surface modification. The grafts at the starch surface were also found to crystallize on the surface. TEM showed the individualization of nanoparticles as a result of the reduction of polar and hydrogen bonding forces. These results show our ability to modify the starch nanocrystal surface with plasticizing chains. Modified nanoparticles can find applications as compatibilized polymer additives, surface-active particles, and co-continuous nanocomposite precursors.
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Citations
Cited by
Starch Nanoparticles: A Review
Le Corre, D., Bras, J., & Dufresne, A. (2010) · Biomacromolecules · doi:10.1021/bm901428y · Cited by 1,046
Self-citationSurface modification of cellulose nanocrystals
Eyley, S., & Thielemans, W. (2014) · Nanoscale · doi:10.1039/c4nr01756k · Cited by 869
Self-citationJunior de Menezes, A., Siqueira, G., Curvelo, A. A. S., & Dufresne, A. (2009) · Polymer · doi:10.1016/j.polymer.2009.07.038 · Cited by 516
Self-citationMorandi, G., Heath, L., & Thielemans, W. (2009) · Langmuir · doi:10.1021/la900452a · Cited by 405
Self-citationPreparation and application of starch nanoparticles for nanocomposites: A review
Le Corre, D., & Angellier-Coussy, H. (2014) · Reactive and Functional Polymers · doi:10.1016/j.reactfunctpolym.2014.09.020 · Cited by 271
Metadata
- Authors
- Thielemans, W., Belgacem, M. N., & Dufresne, A.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-04-08
- Volume
- 22
- Issue
- 10
- Pages
- 4804-4810
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2084992151
- Cited by
- 224
- References
- 0
- FWCI
- 7.41
- Type
- journal article
- Language
- en
- Open access
- closed
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