Self-Compounded Nanocomposites: toward Multifunctional Membranes with Superior Mechanical, Gas/Oil Barrier, UV-Shielding, and Photothermal Conversion Properties
| Autor: | Kai Zhang, Bea Jaquet, Yu Cao, Wei Li, Jiaxiu Wang, Judith E. Rauschendorfer, Philipp Vana, Christoph Gerhard, Xiaodong Xia |
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| Rok vydání: | 2021 |
| Předmět: |
chemistry.chemical_classification
Materials science Nanostructure Nanocomposite Nanoparticle 02 engineering and technology Polymer 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences 0104 chemical sciences Oxygen permeability Membrane chemistry Chemical engineering Permeability (electromagnetism) Ultimate tensile strength General Materials Science 0210 nano-technology |
| Zdroj: | ACS Applied Materials & Interfaces. 13:28668-28678 |
| ISSN: | 1944-8252 1944-8244 |
| DOI: | 10.1021/acsami.1c06376 |
| Popis: | Nanocomposites combine multiple favorable properties to achieve intriguing functionalities, but the formation of nanocomposites with only one constituent with the inclusion of multiple superior properties is still not known. Herein, novel self-compounded nanocomposite membranes from one single polymer-cellulose cinnamate (CCi)-with multiple outstanding properties are reported. The self-compounded membranes contain two distinct morphologies as CCi nanoparticles (CCi-NPs) and a CCi polymer matrix, while CCi-NPs are either firmly embedded in the CCi matrix or fused with adjacent CCi-NPs. The unique self-compounded nanostructure endows the membranes with a tensile strength of 94 MPa and Young's modulus of 3.1 GPa. The water vapor permeability, oxygen permeability, and oil permeability reach as low as (0.94 ± 0.03) × 10-11 g m-1 s-1 Pa-1, (8.48 ± 2.39) ×10-13 cm3·cm/cm2·s·cmHg, and 0.008 ± 0.003 g mm m-2 day-1, respectively. Moreover, self-compounded CCi nanocomposite membranes also demonstrate UV-shielding and photothermal conversion properties. UVB and UVC light are entirely blocked, while UVA light is partly blocked. The temperature increases from room temperature to 120 °C within 1 min under UV irradiation. In addition, CCi membranes also show remarkable thermal and humidity resistance. Based on these outstanding properties, CCi membranes are applied as food packaging materials. This work offers a new avenue to construct nanocomposites with multiple superior properties from one constituent, which is promising for diverse applications. |
| Databáze: | OpenAIRE |
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