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Performance Evaluation of Oil Palm Trunk Starch as Binder, Modified by Sodium Trimetaphosphate
Mohd Zulhairie Razali1, Junidah Lamaming2, Othman Sulaiman3, Rokiah Hashim4, Mohammed Nasir5, Mohd Ezwan Selamat6, Nadiah Jumhuri7, Salim Hiziroglu8.
The objective of this study was to evaluate the properties of particleboard prepared from starch-based adhesive, modified with sodium trimetaphosphate as a binder. Three-layer experimental panels were manufactured from a homogenous mixture of Acacia mangium and rubberwood. Panels were prepared from two different target densities of 0.60 g/cm3 and 0.80 g/cm3 and four different combinations of adhesive. The four combinations of adhesives were sequentially urea-formaldehyde (UF), native oil palm trunk starch (OPT-starch), sodium trimetaphosphate (STMP), modified starch, and STMP-starch mixed with 2% UF. Adhesive properties were analyzed by thermogravimetric (TGA), differential calorimetry (DSC), X-ray diffractometer (XRD), and scanning electron microscopy (SEM). The prepared panels were evaluated for their physical and mechanical properties. An experimental panel with 0.80 g/cm3 density showed better mechanical and physical properties compared to 0.60 g/cm3. Oil palm trunk starch modified with sodium trimetaphosphate exhibited an improvement in physical and mechanical properties when it was used in combination with UF resin.
Affiliation:
- Universiti Sains Malaysia, , Malaysia
- Universiti Malaysia Sabah, Malaysia
- Universiti Sains Malaysia, Malaysia, Malaysia
- Universiti Sains Malaysia, Malaysia, Malaysia
- Universiti Sains Malaysia, Malaysia, Malaysia
- Universiti Sains Malaysia, Malaysia, Malaysia
- Universiti Sains Malaysia, Malaysia, Malaysia
- Oklahoma State University, , United States
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