Flexural Properties of Hydroxyapatite Reinforced Poly(Methyl Methacrylate) Composites-Reference-Cited by-同舟云学术

Flexural Properties of Hydroxyapatite Reinforced Poly(Methyl Methacrylate) Composites

Published:2008-01-31 Issue:9 Volume:27 Page:945-952
ISSN:0731-6844
Container-title:Journal of Reinforced Plastics and Composites
language:en
Short-container-title:Journal of Reinforced Plastics and Composites

Author:

Chow Wen Shyang ¹,Loo Yok Khim ²,Ariffin Azlan²,Arifin Zainal²,Ishak Mohd²

Affiliation:

1. School of Materials and Mineral Resources Engineering, Engineering Campus Universiti Sains Malaysia, Nibong Tebal 14300, Penang, Malaysia,

2. School of Materials and Mineral Resources Engineering, Engineering Campus Universiti Sains Malaysia, Nibong Tebal 14300, Penang, Malaysia

Abstract

Poly(methyl methacrylate) (PMMA) filled with hydroxyapatite (HA) filler has been widely used in biomaterial application. Acrylic denture base material was prepared from PMMA filled with HA. This research work attempted to investigate the effects of hydroxyapatite (HA) on the flexural properties of poly(methyl methacrylate). PMMA powder was mixed with a monomer of methyl methacrylate (MMA) stabilized with hydroquinone. Benzoyl peroxide (BPO) and ethylene glycol dimethacrylate (EGDMA) were used as initiator and crosslinking agent, respectively. The PMMA/HA composites were prepared by using heat-processing polymers powder and liquid method. The flexural modulus of PMMA was increased by the addition of HA. This is attributed to the reinforcement effects of HA. However, the flexural strength and strain was decreased in the presence of HA. Experimental data of flexural modulus for PMMA/HA composites was compared with several theoretical models and equations. It was found that the experimental data could be relatively predicted by Hirsch's model.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/0731684407086506

Reference16 articles.

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3. Onfield (2003). Biomaterials: Research and Development. pp. 72-74. Cambridge, CB2 3QZ, UK. Department of Materials Science, University of Cambridge .

4. Effect of particulate morphology on the tensile behaviour of polymer–hydroxyapatite composites

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