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Vol. 154, Issue 7, July 2013, pp. 183-187

 

Bullet

 

Detecting the Thermal Properties of Bone Cement by Temperature Sensor
 
1 Youzhi Wang, 2, * Yongzhi Xu, 3 Fuxia Wang

1, 2 School of Civil Engineering, Shandong University, Jingshi road 17923#, Jinan, 250061, P. R. China

3 Shandong Transport Vocational College, Weixian road 8#, Weifang, 261206, P. R. China

* Tel.: 13153600920, fax: 0531-88392696

* E-mail: xyz2003sdu@163.com

 

Received: 23 May 2013   /Accepted: 19 July 2013   /Published: 31 July 2013

Digital Sensors and Sensor Sysstems

 

Abstract: Polymethylmethacrylate-based (PMMA) bone cements containing functionalized carbon nanotubes (CNTs) were prepared, and the thermal properties of the resultant nanocomposite cements were characterized in accordance with the international standard for acrylic resin cements. The aim of this study was to determine the peak temperatures during the polymerization reaction in PMMA bone cement by thermocouple (temperature sensor). The CNTs were uniformly dispersed in the cement matrix. The setting time of the cement increased and the maximum temperature during exothermic polymerization reaction was effectively reduced by the incorporation of functionalized CNTs. This reduction decreased thermal necrosis of the respective nanocomposite cements, which probably could reduce the hyperthermia experienced in vivo.

 

Keywords: PMMA, Thermal properties, Thermocouple, CNTs.

 

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