Environmental friendly polyurethanes composites from RDB palm kernel oil and empty fruit bunch fibre

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Polyurethane (PU) composite from polyester polyol was prepared with empty fruit bunch as a filler. A simple one step process of producing environmental friendly PU polyester via esterification process with condensation throughout, making use the 'refined-bleached and deodorized' (RED) palm kernel oil (PKO) as starting material reacted with a special blend of dihydroxy compounds known as EZMIX. The ester amide produced has a molecular weight of 477 and hydroxyl value of 350-370mg KOH/g, resulted in an average functionality of. 3.0. The PU was synthesized from this dihydroxy compound by treatment with 2, 4-diphenylmethane diisocyanate at 25°C at atmospheric pressure using a waterblown system formulation. This study is focused on the effect of the EFB as a reinforced in the PU composite. The PU foam was filled with 150 < x ≤ 300μm EFB fibre and the composition is varied from 3, 6, 9 and 12 weight percent. The characterizations of the composite were performed using differential scanning calorimetric (DSC), mechanical testometric machine and scanning electron microscopy (SEM). PU composite shown good dimensional stability at 70°C and -15°C due to expanding and shrinking percentage which are less than 0.8% and 0.4% respectively. The mechanical properties were improved with the addition of EFB fibre. Tensile strength was increased up to 11 MPa and compressive strength is about 3.0. MPa. The impact strength had also improved up to 88%. SEM micrograph has demonstrated a good interaction between EFB and PU foam.

Original languageEnglish
Title of host publicationAppita Annual Conference
Pages15-20
Number of pages6
Volume3
Publication statusPublished - 2005
Event59th Appita Annual Conference and Exhibition, incorporating the 13th ISWFPC: International Symposium on Wood, Fibre and Pulping Chemistry - Auckland, New Zealand
Duration: 16 May 200519 May 2005

Other

Other59th Appita Annual Conference and Exhibition, incorporating the 13th ISWFPC: International Symposium on Wood, Fibre and Pulping Chemistry
CountryNew Zealand
CityAuckland
Period16/5/0519/5/05

Fingerprint

Palm oil
Fruits
Polyurethanes
Fibers
Composite materials
Foams
Polyesters
Scanning electron microscopy
Dimensional stability
Polyols
Esterification
Impact strength
Amides
Compressive strength
Atmospheric pressure
Fillers
Condensation
Esters
Tensile strength
Molecular weight

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Environmental friendly polyurethanes composites from RDB palm kernel oil and empty fruit bunch fibre. / Ahmad, Sahrim; Ali, E. S.; Zakaria, Sarani.

Appita Annual Conference. Vol. 3 2005. p. 15-20.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ahmad, S, Ali, ES & Zakaria, S 2005, Environmental friendly polyurethanes composites from RDB palm kernel oil and empty fruit bunch fibre. in Appita Annual Conference. vol. 3, pp. 15-20, 59th Appita Annual Conference and Exhibition, incorporating the 13th ISWFPC: International Symposium on Wood, Fibre and Pulping Chemistry, Auckland, New Zealand, 16/5/05.
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