Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers
A new biomedical material to be used as part of acrylic bone cement formulations is described. This new material is tough, its Young's Modulus is similar to the one of poly (methylmethacrylate) and the contrast agent, usually employed in acrylic bone cements, is homogeneously distributed among...
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todo:paper_09284931_v59_n_p901_Lissarrague2023-10-03T15:47:28Z Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers Lissarrague, M.H. Fascio, M.L. Goyanes, S. D'Accorso, N.B. Barium sulphate nanoparticles Branched polymer Natural rubber Poly(methyl methacrylate) Polyisoprene Acrylic monomers Barium Biomedical engineering Bone Elastic moduli Esters Fourier transform infrared spectroscopy Grafting (chemical) Nanoparticles Nuclear magnetic resonance spectroscopy Polyisoprenes Rubber Sulfur compounds Thermogravimetric analysis Acrylic bone cements Barium sulphates Biomedical material Branched Polymer Grafting reactions Methyl methacrylates Microscopy technique Polymeric matrices Bone cement biomaterial bone cement contrast medium poly(methyl methacrylate) rubber chemistry materials testing Young modulus Biocompatible Materials Bone Cements Contrast Media Elastic Modulus Materials Testing Polymethyl Methacrylate Rubber A new biomedical material to be used as part of acrylic bone cement formulations is described. This new material is tough, its Young's Modulus is similar to the one of poly (methylmethacrylate) and the contrast agent, usually employed in acrylic bone cements, is homogeneously distributed among the polymeric matrix. Additionally, its wear coefficient is 66% lower than the one measured in poly(methyl methacrylate). The developed material is a branched polymer with polyisoprene backbone and poly(methyl methacrylate) side chains, which are capable of retaining barium sulphate nanoparticles thus avoiding their aggregation. The grafting reaction was carried out in presence of the nanoparticles, using methyl methacrylate as solvent. From the 1H-NMR spectra it was possible to determine the average number of MMA units per unit of isoprene (3.75:1). The ability to retain nanoparticles (about 8 wt.%), attributed to their interaction with the polymer branches, was determined by thermogravimetric analysis and confirmed by FTIR and microscopy techniques. By SEM microscopy it was also possible to determine the homogeneous spatial distribution of the barium sulphate nanoparticles along the polymer matrix. © 2015 Elsevier B.V. All rights reserved. Fil:Fascio, M.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Goyanes, S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:D'Accorso, N.B. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_09284931_v59_n_p901_Lissarrague |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
Barium sulphate nanoparticles Branched polymer Natural rubber Poly(methyl methacrylate) Polyisoprene Acrylic monomers Barium Biomedical engineering Bone Elastic moduli Esters Fourier transform infrared spectroscopy Grafting (chemical) Nanoparticles Nuclear magnetic resonance spectroscopy Polyisoprenes Rubber Sulfur compounds Thermogravimetric analysis Acrylic bone cements Barium sulphates Biomedical material Branched Polymer Grafting reactions Methyl methacrylates Microscopy technique Polymeric matrices Bone cement biomaterial bone cement contrast medium poly(methyl methacrylate) rubber chemistry materials testing Young modulus Biocompatible Materials Bone Cements Contrast Media Elastic Modulus Materials Testing Polymethyl Methacrylate Rubber |
spellingShingle |
Barium sulphate nanoparticles Branched polymer Natural rubber Poly(methyl methacrylate) Polyisoprene Acrylic monomers Barium Biomedical engineering Bone Elastic moduli Esters Fourier transform infrared spectroscopy Grafting (chemical) Nanoparticles Nuclear magnetic resonance spectroscopy Polyisoprenes Rubber Sulfur compounds Thermogravimetric analysis Acrylic bone cements Barium sulphates Biomedical material Branched Polymer Grafting reactions Methyl methacrylates Microscopy technique Polymeric matrices Bone cement biomaterial bone cement contrast medium poly(methyl methacrylate) rubber chemistry materials testing Young modulus Biocompatible Materials Bone Cements Contrast Media Elastic Modulus Materials Testing Polymethyl Methacrylate Rubber Lissarrague, M.H. Fascio, M.L. Goyanes, S. D'Accorso, N.B. Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers |
topic_facet |
Barium sulphate nanoparticles Branched polymer Natural rubber Poly(methyl methacrylate) Polyisoprene Acrylic monomers Barium Biomedical engineering Bone Elastic moduli Esters Fourier transform infrared spectroscopy Grafting (chemical) Nanoparticles Nuclear magnetic resonance spectroscopy Polyisoprenes Rubber Sulfur compounds Thermogravimetric analysis Acrylic bone cements Barium sulphates Biomedical material Branched Polymer Grafting reactions Methyl methacrylates Microscopy technique Polymeric matrices Bone cement biomaterial bone cement contrast medium poly(methyl methacrylate) rubber chemistry materials testing Young modulus Biocompatible Materials Bone Cements Contrast Media Elastic Modulus Materials Testing Polymethyl Methacrylate Rubber |
description |
A new biomedical material to be used as part of acrylic bone cement formulations is described. This new material is tough, its Young's Modulus is similar to the one of poly (methylmethacrylate) and the contrast agent, usually employed in acrylic bone cements, is homogeneously distributed among the polymeric matrix. Additionally, its wear coefficient is 66% lower than the one measured in poly(methyl methacrylate). The developed material is a branched polymer with polyisoprene backbone and poly(methyl methacrylate) side chains, which are capable of retaining barium sulphate nanoparticles thus avoiding their aggregation. The grafting reaction was carried out in presence of the nanoparticles, using methyl methacrylate as solvent. From the 1H-NMR spectra it was possible to determine the average number of MMA units per unit of isoprene (3.75:1). The ability to retain nanoparticles (about 8 wt.%), attributed to their interaction with the polymer branches, was determined by thermogravimetric analysis and confirmed by FTIR and microscopy techniques. By SEM microscopy it was also possible to determine the homogeneous spatial distribution of the barium sulphate nanoparticles along the polymer matrix. © 2015 Elsevier B.V. All rights reserved. |
format |
JOUR |
author |
Lissarrague, M.H. Fascio, M.L. Goyanes, S. D'Accorso, N.B. |
author_facet |
Lissarrague, M.H. Fascio, M.L. Goyanes, S. D'Accorso, N.B. |
author_sort |
Lissarrague, M.H. |
title |
Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers |
title_short |
Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers |
title_full |
Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers |
title_fullStr |
Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers |
title_full_unstemmed |
Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers |
title_sort |
improving bone cement toughness and contrast agent confinement by using acrylic branched polymers |
url |
http://hdl.handle.net/20.500.12110/paper_09284931_v59_n_p901_Lissarrague |
work_keys_str_mv |
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1782028770739224576 |