Hassan, Azman and Othman, Norhayani and Wahit, Mat Uzir and Lim, Jian Wei and Rahmat, Abdul Razak and Mohd. Ishak, Zainal Arif?n (2006) Maleic anhydride polyethylene octene elastomer toughened polyamide 6/polypropylene nanocomposites : mechanical and morphological properties. Macromolecular Symposia, 239 (1). p. 191. ISSN 1022-1360
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/masy.20...
A series of polyamide 6/polypropylene (PA6/PP) blends and nanocomposites containing 4 wt% of organophilic modiﬁed montmorillonite (MMT) were designed and prepared by melt compounding followed by injection molding. Maleic anhydride polyethylene octene elastomer (POEgMAH) was used as impact modiﬁer as well as compatibilizer in the blend system. Three weight ratios of PA6/PP blends were prepared i.e. 80:20, 70:30, and 60:40. The mechanical properties of PA6/PP blends and nanocomposite were studied through ﬂexural and impact properties. Scanning electron microscopy (SEM) was used to study the microstructure. The incorporation of 10 wt% POEgMAH into PA6/PP blends signiﬁcantly increased the toughness with a corresponding reduction in strength and stiffness. However, on further addition of 4 wt% organoclay, the strength and modulus increased but with a sacriﬁce in impact strength. It was also found that the mechanical properties are a function of blend ratio with 70:30 PA6/PP having the highest impact strength, both for blends and nanocomposites. The morphological study revealed that within the blend ratio studied, the higher the PA6 content, the ﬁner were the POEgMAH particles.
|Uncontrolled Keywords:||mechanical properties, nanocomposites, polyamide 6/polypropylene blends, polyethylene octene elastomer, toughened polymers|
|Subjects:||T Technology > TP Chemical technology|
|Divisions:||Chemical and Natural Resources Engineering (Formerly known)|
|Deposited By:||Ms Halimah Baki|
|Deposited On:||26 Nov 2012 04:06|
|Last Modified:||26 Nov 2012 04:14|
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