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Muthmirah Ibrahim
Tensile and morphology properties of polylactic acid/ treated typha latifolia composites
Pengenalan pemprosesan termoplastik
2013
,
Muthmirah Ibrahim
,
Jalilah Abd Jalil
,
Syarifah Nuraqmar Syed Mahamud
,
Yusrina Mat Daud
,
Salmah Husseinsyah
,
Muhammad Rafi’ Yahya
This paper is focused to investigate the effect of treated natural fiber (typha latifolia) content on tensile and morphology properties of polylactic acid (PLA)/treated typha latifolia (T-TyLa) composites. The composite was compounded using heated two roll mill and the composite samples were prepared through compression molding. Tensile test and scanning electron microscopy (SEM) analysis were carried out to study the properties of PLA/T-TyLa composites. The results showed that the tensile strength of PLA/T-TyLa composites was decreased for about 43% with initial addition of T-TyLa content. The tensile modulus of the composites was increased (23%-91%) with increasing of fiber content. However, increased in fiber content reduced the elongation at break for about 53%-67% of PLA/T-TyLa composites. The optimum increment was obtained at 30 wt% of fiber content. SEM results showed that fiber dispersion was better for PLA/T-TyLa composites at lower fiber content.
2012
,
Sinar Arzuria Adnan
,
Che Mohd Ruzaidi Ghazali
,
Yusrina Mat Daud
,
Muthmirah Ibrahim
Buku Pengenalan Pemprosesan Termoplastik membicarakan beberapa asas pemprosesan dalam bidang polimer. Buku ini lebih memberikan tumpuan kepada beberapa pemprosesan termoplastik yang penting dalam bidang polimer. Objektif keseluruhan buku ini adalah untuk membolehkan pelajar mengenal pasti pemprosesan yang sering dilakukan pada bahan-bahan polimer termoplastik selain memahami konsep hubungkait di antara pemprosesan dan kesesuaian bahan-bahan polimer yang digunakan.