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High-strength apatitic cement by modification with superplasticizers

Paper ID Volume ID Publish Year Pages File Format Full-Text
12795 818 2005 8 PDF Available
Title
High-strength apatitic cement by modification with superplasticizers
Abstract

This study reports on a novel method to improve the strength of apatitic bone cements. The liquid phase of Biocement-H© was modified with commercial superplasticizers. The results showed that small additions, i.e. 0.5 vol%, in the aqueous liquid phase improved the maximum compressive strength of Biocement-H© (35 MPa) by 71%, i.e. 60 MPa. Moreover, the addition of high amounts of superplasticizers, i.e. 50 vol.%, allowed for a significant reduction of the liquid-to-powder ratio from 0.32 to 0.256 mL/g, without affecting the maximum strength and/or the workability of the cement. These results open up new ways to develop injectable and high-strength apatitic bone cements for load-bearing applications.

Keywords
Calcium phosphate cement; Bone tissue engineering; Mechanical properties; Osteoporosis; Superplasticizer
First Page Preview
High-strength apatitic cement by modification with superplasticizers
Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 26, Issue 15, May 2005, Pages 2289–2296
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering