Effect of Waste Rubber Powder as Filler for Plywood Application

Khan, Maksudur R. and Huei, Ruey Ong and Yousuf, Abu and Nitthiyah, Jeyaratnam and Prasad, D. M. Reddy (2015) Effect of Waste Rubber Powder as Filler for Plywood Application. Polish Journal of Chemical Technology, 17 (1). pp. 41-47. ISSN 1899-4741. (Published)

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The study investigated the suitability of waste rubber powder (WRP) use as filler in adhesive formulation for plywood application. Melamine Urea Formaldehyde (MUF) was employed as resin for formulating the wood adhesive. To improve chemical properties and bonding quality of adhesive, WRP was treated by different chemicals like 20% nitric acid, 30% hydrogen peroxide and acetone solution. The treated WRP were analysed by XRD and it showed that inorganic compounds were removed and carbon was remained as major component under the treatment of 20% HNO3. The treatment improved the mechanical properties like shear strength and formaldehyde emission of plywood (high shear strength and low formaldehyde emission). The physico-chemical interaction between the wood, resin and filler was investigated using fourier transform infrared spectroscopic (FTIR) technique and the interactions among N-H of MUF and C=O of wood and WRP were identified. The morphology of wood-adhesive interface was studied by field emission scanning electron microscope (FESEM) and light microscope (LM). It showed that the penetration of adhesives and fillers through the wood pores was responsible for mechanical interlocking. Therefore, chemically treated WRP proved its potential use as filler in MUF based adhesive for making plywood.

Item Type: Article
Uncontrolled Keywords: Waste rubber powder; Melamine urea formaldehyde resin; Filler; Wood adhesive; Plywood
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Institute of Postgraduate Studies
Depositing User: Noorul Farina Arifin
Date Deposited: 08 Jan 2015 06:45
Last Modified: 18 Oct 2019 03:05
URI: http://umpir.ump.edu.my/id/eprint/8056
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