کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9561881 1382384 2005 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Mechanical and dynamic viscoelastic properties of hydroxyapatite reinforced poly(ε-caprolactone)
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آلی
پیش نمایش صفحه اول مقاله
Mechanical and dynamic viscoelastic properties of hydroxyapatite reinforced poly(ε-caprolactone)
چکیده انگلیسی
Poly(ε-caprolactone)/hydroxyapatite (PCL/HA) composites as potential bone substitutes were prepared by melt-blending. The melting, crystallization and glass transition temperatures deduced from differential scanning calorimetery and dynamic mechanical thermal analysis (DMTA) were all changed by the addition of HA, suggesting an interaction at the interface of these two phases. Quasi-static mechanical testing shows that the yield strength and Young's modulus of PCL were increased by the addition of the reinforcement filler, HA. Dynamic viscoelastic properties were investigated using DMTA and an advanced rheometric expansion system. The results show that both the storage modulus and viscous modulus are enhanced by HA, and the PCL composite melts still behave like pseudo-plastic liquid.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer Testing - Volume 24, Issue 8, December 2005, Pages 978-982
نویسندگان
, ,