A wood polymer nanocomposite was prepared by impregnating a melamine formaldehyde-furfuryl alcohol (MFFA) copolymer, n-methylol acrylamide (NMA), a crosslinking agent, and montmorillonite (MMT) into wood (Ficus hispida) by using a catalyst heat treatment. MMT was modified by using a polymerizable surfactant 2-acryloloxy ethyl trimethyl ammonium chloride (ATAC) and a mixture of surfactants ATAC and cetyl trimethyl ammonium bromide (CTAB) in a molar ratio of 1:1. FTIR and XRD studies confirmed the formation of the MFFA copolymer, NMA, and modification of MMT. These studies also indicated an interaction between wood, polymer, crosslinker, and MMT. Wood treated with modified MMT exhibited lower water uptake, higher dimensional stability, enhanced chemical resistance, thermostability, flame retardancy, and better mechanical properties than wood samples treated with unmodified clay. Samples treated with combined surfactant (ATAC+CTAB) modified clay exhibited better property compared to those samples treated with single surfactant (ATAC) modified clay.
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Hazarika et al. (2013) studied this question.
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