Calcium Polyphosphate/Polyvinyl Acid-Carbonate Copolymer Based Composites for Use in Biodegradable Load-Bearing Composites for Orthopaedic Implant Fabrication

Abstract:

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Particle filled composite and interpetrating phase composite (IPC) structures are investigated for the production of a biodegradable composite for use as a fixation device in various osteosynthesis applications. The composites consist of calcium polyphosphate, present as either a dispersion of 106 – 150 µm particles or as a sintered scaffold-like structure having open porosity in the range of 18 – 35 volume percent, and a polyvinyl acid-carbonate copolymer that is cured in situ via free radical polymerization. The performance of each composite structure is evaluated in terms of its three-point bend strength and elastic constant. Plane strain fracture toughness values are also presented for IPC samples based on CPP sintered to have 30 volume percent porosity.

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Periodical:

Key Engineering Materials (Volumes 284-286)

Main Theme:

Edited by:

Panjian Li, Kai Zhang and Clifford W. Colwell, Jr.

Pages:

787-790

DOI:

10.4028/www.scientific.net/KEM.284-286.787

Citation:

S.D. Ramsay et al., "Calcium Polyphosphate/Polyvinyl Acid-Carbonate Copolymer Based Composites for Use in Biodegradable Load-Bearing Composites for Orthopaedic Implant Fabrication", Key Engineering Materials, Vols. 284-286, pp. 787-790, 2005

Online since:

April 2005

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Price:

$35.00

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