Reference : Wetting of bioactive glass surfaces by poly(alpha-hydroxyacid) melts: interaction bet...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/6125
Wetting of bioactive glass surfaces by poly(alpha-hydroxyacid) melts: interaction between Bioglass (R) and biodegradable polymers
English
Blaker, Jonny J. [Imperial College, London, UK > Department of Materials > Centre for Tissue Engineering and Regenerative Medicine > >]
Maquet, Véronique [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
Boccaccini, Aldo R. [Imperial College, London, UK > Department of Materials > Centre for Tissue Engineering and Regenerative Medicine > >]
Jérôme, Robert mailto [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
Bismarck, Alexander [Imperial College, London, UK > Department of Chemical Engineering > Polymer and Composite Engineering (P.a.C.E.) Group, > >]
1-Apr-2005
e-Polymers
European Polymer Federation
23
1-13
Yes (verified by ORBi)
International
1618-7229
Strasbourg
[en] biomaterial ; scaffold
[en] The interfacial characteristics between bioactive glass (4555 Bioglass(R)) surfaces and poly(alpha-hydroxyacid) melts have been assessed by direct wetting measurements. In particular, the wettability of Bioglass(R) powder by poly(D,L-lactide) (PDLLA) and poly(D,L-lactide-co-glycolide) (PLGA) was assessed by imbibition measurements. Additionally, the equilibrium contact angles of PDLLA and PLGA melts on a sintered Bioglass(R) surface were measured. The surface energy of the bioactive glass and the polymers was determined from contact angles measured using various test liquids on PDLLA, PLGA and Bioglass(R) solid substrates. There are sufficient adhesive interactions between the polymers and Bioglass(R). A simple heat treatment of the bioactive glass in an inert gas atmosphere leads to an improved wetting behaviour, indicating increased adhesive interactions. Scanning electron micrographs of the polymer+Bioglass(R) composites formed by polymer penetration into the powder bed show the formation of a 'good quality' interface.
Center for Education and Research on Macromolecules (CERM)
The UK Engineering and Physical Science Research Council (EPSRC), London,
Researchers
http://hdl.handle.net/2268/6125
http://www.e-polymers.org/journal/list.cfm#

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