Environmental Engineering Reference
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5
Enhancement of Physical and Mechanical
Properties of Sugar Palm Fiber via Vacuum
Resin Impregnation
M.R. Ishak 1,4,7 , Z. Leman 2 , S.M. Sapuan 2,3,4, *, M.Z.A. Rahman 5
and U.M.K. Anwar 4,6
1 Department of Aerospace Engineering, Universiti Putra Malaysia,
Selangor, Malaysia
2 Department of Mechanical and Manufacturing Engineering, Universiti Putra
Malaysia, Selangor, Malaysia
3 Institute of Advanced Technology (ITMA), Universiti Putra Malaysia,
Selangor, Malaysia
4 Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra
Malaysia, Selangor, Malaysia
5 Centre of Foundation Studies for Agricultural Science, Universiti Putra Malaysia,
Selangor, Malaysia
6 Wood Finishing Laboratory, Forest Research Institute of Malaysia (FRIM), Kepong,
Kuala Lumpur, Malaysia
7 Aerospace Manufacturing Research Centre, Universiti Putra Malaysia,
Selangor, Malaysia
Abstract
A study on the ef ects of elevating impregnation pressure on the physical and
mechanical properties of sugar palm i ber with phenol formaldehyde (PF) and
unsaturated polyester (UP) with a constant impregnation time of 5 minutes are
presented in this chapter. A signii cant increase in the weight percentage gain of
sugar palm i bers was observed at er impregnation under pressure with PF and
UP in the ranges of 8.59 to 38.59% and 7.16 to 22.63%, respectively. Other i nd-
ings showed that the i ber moisture content dropped from 8.19% to between 0.75
and 0.46% for PF and between 0.87 and 0.44% for UP, while water absorption was
reduced from 116.82% to between 61.64 and 22.52% for PF and between 63.49
and 23.31% for UP. h e mechanical properties of impregnated i bers showed
 
 
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