Self-Compounded Nanocomposites: toward Multifunctional Membranes with Superior Mechanical, Gas/Oil Barrier, UV-Shielding, and Photothermal Conversion Properties.

ACS Applied Materials & Interfaces
Jiaxiu WangKai Zhang

Abstract

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 memb...Continue Reading

References

Sep 11, 2010·Advanced Materials·Owen C ComptonSonBinh T Nguyen
Dec 5, 2015·Nature Communications·Snehashis ChoudhuryLynden A Archer
Dec 10, 2015·Nanoscale·Yonggui WangKai Zhang
Dec 16, 2016·Nature·Takao SomeyaGeorge G Malliaras
Jul 25, 2017·Carbohydrate Polymers·José A Heredia-GuerreroAthanassia Athanassiou
Jun 28, 2018·Advanced Materials·Alexander EckertAndreas Walther
Nov 6, 2018·Science·Ian A KinlochPulickel M Ajayan

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