Effect of epoxidized palm oil on the mechanical and morphological properties of a PLA-PCL blend

被引：26

作者：

Al-Mulla, Emad A. Jaffar ^{[1
,2
]}

Ibrahim, Nor Azowa Bt ^{[1
]}

Shameli, Kamyar ^{[1
,3
]}

Bin Ahmad, Mansor ^{[1
]}

Yunus, Wan Md. Zin Wan ^{[4
]}

机构：

[1] Univ Putra Malaysia, Dept Chem, Fac Sci, Serdang 43400, Selangor, Malaysia

[2] Univ Kufa, Dept Chem, Coll Sci, An Najaf 54001, Iraq

[3] Mat & Energy Res Ctr, Karaj 3177983634, Iran

[4] Natl Def Univ Malaysia, Fac Def Sci & Technol, Kuala Lumpur 57000, Malaysia

来源：

RESEARCH ON CHEMICAL INTERMEDIATES | 2014年 / 40卷 / 02期

关键词：

Biodegradable polymer blend; Epoxidized palm oil; Mechanical; Morphological properties; MODIFIED CLAY NANOCOMPOSITES;

D O I：

10.1007/s11164-012-0994-y

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, the effects of epoxidized palm oil (EPO) on the mechanical and morphological properties of a blend of two types of biodegradable polymer, poly(lactic acid) (PLA) and polycaprolactone (PCL), were investigated. The solution-casting process, with chloroform as a solvent, was used to prepare samples. Addition of EPO reduced the tensile strength and modulus but increased elongation at break for the PLA-PCL blend. The highest elongation at break was observed for the blend with 10 % (w/w) EPO content. Scanning electron microscopy (SEM) indicated that the fractured surface morphology of the PLA-PCL blend became more stretched and homogeneous in PLA-PCL-EPO. Possible interactions between the PLA-PCL blend and EPO were also characterized by use of Fourier-transform infrared (FTIR) spectroscopy. Thermal stability was studied by differential scanning calorimetry and thermogravimetric analysis. The results from FTIR and SEM revealed that the miscibility of the PLA-PCL blend was improved by addition of EPO.

引用

页码：689 / 698

页数：10

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