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Sol-gel synthesis and structural characterisation of P2O5-B2O3-Na2O glasses for biomedical applications
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Carta, Daniela, Knowles, Jonathan C., Guerry, Paul, Smith, Mark E. and Newport, Robert J. (2009) Sol-gel synthesis and structural characterisation of P2O5-B2O3-Na2O glasses for biomedical applications. Journal of Materials Chemistry, Vol.19 (No.1). pp. 150-158. doi:10.1039/b813288g
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Official URL: http://dx.doi.org/10.1039/b813288g
Abstract
Glasses in the system 40(P2O5)-x(B2O3)-(60 - x)(Na2O) (10 <= x <= 25 mol%) were prepared by the sol gel technique. A mixture of mono- and diethylphosphates was used as precursor for P2O5, boric acid and sodium methoxide were used as source compounds for B2O3 and Na2O, respectively. The dried gels obtained were heat treated at 200, 300 and 400 degrees C. Structural development occurring during heat treatment and changes with composition were investigated using X-ray diffraction, thermal analysis, infrared spectroscopy, B-11 and P-31 solid state NMR. Systems with x = 20 and x = 25 mol% are amorphous up to 400 degrees C, whereas systems with lower B2O3 content are partially crystalline. This work extends sol-gel preparation of amorphous borophosphate systems having P2O5 as the main component.
| Item Type: | Journal Article | ||||
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| Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) |
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| Divisions: | Administration > Vice Chancellor's Office Faculty of Science > Physics |
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| Journal or Publication Title: | Journal of Materials Chemistry | ||||
| Publisher: | Royal Society of Chemistry | ||||
| ISSN: | 0959-9428 | ||||
| Official Date: | 2009 | ||||
| Dates: |
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| Volume: | Vol.19 | ||||
| Number: | No.1 | ||||
| Number of Pages: | 9 | ||||
| Page Range: | pp. 150-158 | ||||
| DOI: | 10.1039/b813288g | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | The University of Kent, The Eastman Dental Institute (University College London), University of Warwick | ||||
| Grant number: | EP/C000714/1, GR/T21080/1, EP/C000633/1 |
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