Issue 98, 2015
From the journal:

RSC Advances

Mechanical properties and structure of solvent processed novolac resin/layered silicate: development of interphase region

Parisa Jahanmarda  and  Akbar Shojaei*a  

* Corresponding authors

a Department of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box 11155-9465, Tehran, Iran
E-mail: akbar.shojaei@sharif.edu

Abstract

Composites of phenol-formaldehyde (PF) resin with Closite Na+ and Closite 30B up to 20 wt% loadings were prepared by solution mixing. Tensile testing showed that both pristine and organically modified clays increased considerably the mechanical properties of PF resin at 2.5 wt% loading followed by marginal improvement or even sacrificed properties at high loadings. DMA and DSC analyses suggested development of a highly crosslinked and well adhered interphase around silicate layers. A novel three-phase model considering the interphase region was proposed to predict composite modulus. The model was successfully employed to correlate morphological characteristics and mechanical properties of PF/clay composites.

Graphical abstract: Mechanical properties and structure of solvent processed novolac resin/layered silicate: development of interphase region

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Article information

DOI
https://doi.org/10.1039/C5RA12458A
Article type
Paper
Submitted
27 Jun 2015
Accepted
07 Sep 2015
First published
08 Sep 2015

RSC Adv., 2015,5, 80875-80883

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Mechanical properties and structure of solvent processed novolac resin/layered silicate: development of interphase region

P. Jahanmard and A. Shojaei, RSC Adv., 2015, 5, 80875 DOI: 10.1039/C5RA12458A

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