Hydrogels And Hydrophilic Partially Degradable Bone Cements Based On Biodegradable Blends Incorporating Starch

  • Luciano F. Boesel
  • João F. Mano
  • Carlos Elvira
  • Júlio San Roman
  • Rui L. Reis

Abstract

Bone cements are, traditionally, injectable systems based on acrylic polymers. They are constituted by a solid and a liquid component that harden after mixing due to the polymerization of acrylic monomers in the liquid. Just some minutes after mixing, the paste attains high viscosity and must then be injected into the bone cavity, where the final stages of polymerization will take place. The solid is in most cases constituted by poly(methyl methacrylate) (PMMA) powder (or a copolymer of MMA with others monomers), benzoyl peroxide (BPO, the initiator of the polymerization), and a radio-opacifier, while the liquid is formed by MMA monomer (in some cases with n-butyl methacrylate, BuMA) and dimethyl-p-toluidine (DMT, the activator of the initiator).

Keywords

Maize Hydration Polysaccharide Brittle Milling 

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Copyright information

© Springer Science+Business Media New York 2003

Authors and Affiliations

  • Luciano F. Boesel
    • 1
    • 2
  • João F. Mano
    • 1
    • 2
  • Carlos Elvira
    • 3
  • Júlio San Roman
    • 3
  • Rui L. Reis
    • 1
    • 2
  1. 1.Dept. of Polymer Eng.Univ. of Minho, Campus de AzurémGuimarãesPortugal
  2. 2.3B’s Research GroupUniv. of Minho, Campus de GualtarBragaPortugal
  3. 3.Institute of Science and Technology of Polymers, CSICMadridSpain

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