Effect of Filler Percentage on Polyethylene Nanocomposites

Tan, Kenneth (2004). Effect of Filler Percentage on Polyethylene Nanocomposites Honours Thesis, School of Engineering, The University of Queensland.

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Author Tan, Kenneth
Thesis Title Effect of Filler Percentage on Polyethylene Nanocomposites
School, Centre or Institute School of Engineering
Institution The University of Queensland
Publication date 2004
Thesis type Honours Thesis
Supervisor Rowan Truss
Total pages 51
Language eng
Subjects 0913 Mechanical Engineering
Formatted abstract
The study of nanocomposites has become a relevant field of studies in recent year. These fillers particles are known to enhance the mechanical properties of polymers. They are a relatively new class of materials that may improve the polymer properties using existing processing technology and without using expensive fillers. These materials display rather unique properties, even at low filler level, by comparison to more conventional mineral- filled polymer. There is little information known about the mechanical properties other than modulus.

Nanocomposites can be produced in three different types and these depend on the number of dimensions of dispersed clay particles. An ideal nanocomposite is one that displays fully exfoliated clay particles in the polymer matrix. The best properties of a material are best obtained when the clay is fully exfoliated into single clay layers with thickness of about one nanometer. Due to the dispersed nanometer sized particles, the composites have shown an improvement in mechanical and thermal properties as compared to pure polymer and conventional nanocomposites.

The aim of this project is to determine the effects of filler percentage on the properties of Polyethylene – organoclay nanocomposites. The main materials used in this project are Polybond® 3109 and Cloisite® 15A. The material are melt compounded on a twin-screw extruder into four different compositions. They are Polybond® 3109, Polybond® with 2.5% of Cloisite® 15A, Polybond® with 5.0% of Cloisite® 15A and Polybond® with 7.5% of Cloisite® 15A.
Keyword Polyethylene Nanocomposites

Document type: Thesis
Collection: UQ Theses (non-RHD) - UQ staff and students only
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Created: Fri, 21 Nov 2014, 13:33:12 EST by Asma Asrar Qureshi on behalf of Scholarly Communication and Digitisation Service