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| Content Provider | Springer Nature Link |
|---|---|
| Author | Mukherjee, Tapasi Tobin, Mark J. Puskar, Ljiljana Sani, Marc Antoine Kao, Nhol Gupta, Rahul K. Pannirselvam, Muthu Quazi, Nurul Bhattacharya, Sati |
| Copyright Year | 2017 |
| Abstract | The non-covalent interaction of acetylated nanocrystalline cellulose (AC-NCC) with polylactic acid (PLA) in a composite blend has been studied at the micron scale by synchrotron Fourier transform infrared (FTIR) microspectroscopy. Microtomed sections of AC-NCC in PLA showed strong, localized carbonyl stretching (νC=O) absorbance characteristic of the cellulose acetylation, and this was observed on the surface of larger aggregated AC-NCC particles. A shift in the νC=O IR absorption peak of AC-NCC in PLA, relative to unblended AC-NCC was observed, which is indicative of an intermolecular interaction between AC-NCC and PLA matrix. Acetylation can therefore potentially improve the performance of the composite by enabling linkages between carbonyl groups, helping to establish a good stress transfer between the fiber and the matrix. This could in turn lead to a material with high yield elastic modulus. This is the first reported chemical imaging of acetylated nanocrystalline cellulose-based composite materials using synchrotron FTIR microspectroscopy. |
| Starting Page | 1717 |
| Ending Page | 1729 |
| Page Count | 13 |
| File Format | |
| ISSN | 09690239 |
| Journal | Cellulose |
| Volume Number | 24 |
| Issue Number | 4 |
| e-ISSN | 1572882X |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2017-02-10 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | FTIR NMR Chemical imaging Dispersion Nanocrystalline cellulose (NCC) Poly (lactic acid) Bioorganic Chemistry Physical Chemistry Organic Chemistry Polymer Sciences Ceramics, Glass, Composites, Natural Materials Sustainable Development |
| Content Type | Text |
| Resource Type | Article |
| Subject | Polymers and Plastics |
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