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Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers

Lissarrague, Maria Haydee et al · Elsevier Science · 2016

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Author / responsible party
Lissarrague, Maria Haydee et al
Publisher
Elsevier Science
Year
2016
ISSN
0928-4931
ISSN
0928-4931
Language
English

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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. Fil: Lissarrague, Maria Haydee. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones en Hidratos de Carbono. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones en Hidratos de Carbono; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física. Laboratorio de Polímeros y Materiales Compuestos; Argentina Fil: Fascio, Mirta Liliana. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones en Hidratos de Carbono. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones en Hidratos de Carbono; Argentina

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APA 7

Lissarrague, M. H. E. A. (2016). Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers. http://hdl.handle.net/11336/42706

MLA

Lissarrague, Maria Haydee et al. "Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers." 2016. http://hdl.handle.net/11336/42706.

Chicago

Lissarrague, Maria Haydee et al. 2016. "Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers.". http://hdl.handle.net/11336/42706.

Harvard

Lissarrague, M. H. E. A. 2016, Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers, Elsevier Science, available at: http://hdl.handle.net/11336/42706 [Accessed 7 Aug. 2026].

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Title
Improving bone cement toughness and contrast agent confinement by using acrylic branched polymers
Author / contributors
Lissarrague, Maria Haydee et al
Publisher
Elsevier Science
Publication year
2016
ISSN
0928-4931
ISSN
0928-4931
Language
English

Subjects

Explore related resources through these subjects.

Branched Polymer; Poly(Methyl Methacrylate); Natural Rubber; Polyisoprene; Barium Sulphate Nanoparticles; https://purl.org/becyt/ford/1.4; https://purl.org/becyt/ford/1
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