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Cellulose
Published in: Cellulose 1/2018

20-11-2017 | Original Paper

Mechanical, thermal properties and curing kinetics of liquid silicone rubber filled with cellulose nanocrystal

Authors: Xiuwen Li, Qiang Wu, Minghuan Zheng, Qian Li, Siqun Wang, Chunhui Zhang

Published in: Cellulose | Issue 1/2018

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Abstract

To prepare liquid silicone rubber (LSR)/cellulose nanocrystal (CNC) nanocomposite, 3-aminopropyltriethoxysilane (APTES) was used to modify the surface of CNC to improve the interfacial interaction between the hydrophilic CNC and the hydrophobic LSR. Fourier transform infrared spectroscopy and energy dispersive spectrometer results demonstrated that APTES modified CNC successfully. It was found that small amount of modified CNC (M-CNC) had better reinforcement than SiO2 in LSR nanocomposites, the tensile strength and the strain at break of LSR increased over 85% and 44% by adding 1.5 wt% M-CNC. However, DSC and rheology tests indicated that APTES modified CNC increased the curing temperature of LSR and limited the addition of CNC, which was attributed to poisoning of Pt catalyst by APTES. Furthermore, small amount of M-CNC improved the thermal stability of LSR, the TGA results showed that the 10% weight loss temperature (T10%) of LSR increased 56 °C with 1.0 wt% addition of M-CNC.
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Metadata
Title
Mechanical, thermal properties and curing kinetics of liquid silicone rubber filled with cellulose nanocrystal
Authors
Xiuwen Li
Qiang Wu
Minghuan Zheng
Qian Li
Siqun Wang
Chunhui Zhang
Publication date
20-11-2017
Publisher
Springer Netherlands
Published in
Cellulose / Issue 1/2018
Print ISSN: 0969-0239
Electronic ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-017-1581-6

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