KOMPOSIT POLIESTER TAK TEPU DIPENGUAT GENTIAN KENAF DAN NANO ZARAH (MONTMORILONIT)
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Date
2011-06
Authors
ISMAIL, NOR AZLINA
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Abstract
An effort to improve lignocellulosic composites properties was carried out in this
research by montmorillonite (MMT -UTR) addition into the unsaturated polyester
composites with unmodified and modified MMT. MMT-UTR was treated with cetyl
trimethyl ammonium bromide {CTAB) and maleic anhydride (MAH). Result shows
the increase of composites properties in the increasing of kenaf loading until the
.·optimum point at additional 50% of kenaf loading. The thermogravimetric analisys
showed that the addition of MMT into the polyester composites was enhanced the
thermal properties of the composites.
In this research composites were produced in room temperature. Tensile, flexural,
impact and dimentional stability testing were carried out to investigate the effect of
addition of kenaf, MMT-UTR, MMT-CTAB and MMT-MAH into unsaturated
polyester composites. Based on unsaturated polyester composites filled with kenaf
and without MMT -UTR, result shows the increase in properties with the increment
of kenaf loading. The addition of MMT -UTR resulted improvement in mechanical
properties. Meanwhile, addition of MMT-CTAB and MMT-MAH into the
unsaturated polyester composites also enhanced the mechanical properties. MMTMAH
addition in polyester composite showed better enhancement than MMT-UTR
and MMT -CTAB. Dimentional stability test shows that water absorption were
increased with increasing the kenaf loading and MMT -UTR. However after addition
MMT-CTAB and MMT-MAH into the unsaturated polyester composites the water
absorption was decreased.
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Keywords
POLIESTER TAK TEPU , NANO ZARAH