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- W9283118 abstract "Palm kernel oil was used as a raw material for the synthesis of polyester polyol.The palm oil based polyester polyol was synthesized using glycerol, phthalic anhydrideand fumaric acid. Palm oil based polyester polyol combines with methylene diphenyl diisocyanate (MDI) to form the polyurethane binder. The fibers are derived from emptyfruit bunch (EFB) of the palm tree and have the acceptable mechanical properties. In this project, palm fibers were converted into palm fiberboards by using polyurethane (PU)binder under specified pressure and temperature. The binder to fiber ratio was varied from 10% to 30 % by dried weight of the palm fiber. The curing temperature was setfrom 60°C to 100°C and curing pressure was between 3 MPa to 7 MPa. The curing time was from 5 to 25 minutes. The density, tensile strength, modulus of elasticity, flexuralstrength, impact strength, water absorption and swelling of fiberboards were determined. Increase of the PU binder content and the NCO/OH ratio would significantly improve the mechanical properties of the fiberboards. The fiberboards made from fine fiber had better mechanical properties than those made from palm fiber mat, which comprise mainly of longer fibers." @default.
- W9283118 created "2016-06-24" @default.
- W9283118 creator A5022704826 @default.
- W9283118 date "2010-04-01" @default.
- W9283118 modified "2023-09-27" @default.
- W9283118 title "Palm oil-based polyester binder for making fiberboards / Wong Yew Chuan" @default.
- W9283118 hasPublicationYear "2010" @default.
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