Investigation on the use of nanoclay against white rot fungi

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Year 2013 Vol 2 Issue 4
Document Type : Original article

Abstract
Nanoclays as reinforcement filler for adhesives is being established but their efficacy against whiterot fungus in particle board is not much explored. The present aim of the study was to explore the usage of nanoclay Nanomer PGV against White rot fungus in particle board.

For the study, eight single layer particle board particle board made using (0.25 and 0.5 % wt )nanoclay reinforced Urea formaldehyde resin (UF)and melamine urea formaldehyde resin (MUF)was compared with control boards and boards made using 0.5 % boric acid. Dispersion of nanoclay in the urea formaldehyde and melamine urea formaldehyde resin was done by mechanical mixing and it was characterised using Xray diffraction. Efficacy of nanoclay against white rot fungus was studied using Agar block method as per IS: 4873
The intensity peak of Nanoclay disappeared after being dispersed into the UF resin and MUF resin by mechanical mixing. This indicated that the UF resin or MUF resin was able to enter the interlayer space of Nanomer PGV, hence exfoliated. From the results of the efficacy test it was found that the nanoclay 0.25 % and 0.5 % concentration satisfied the attack of white rot in case of UF and MUF resin bonded particle board.Nano clay has shown usefull effect on controlling the average weight loss due to white rot fungus in particle board.
Keywords
Nanomer PGV, Nanoclay, particle board, White rot fungus
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