<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Prepared powder polyhydroxybutyrate – chitosan - calcium phosphate composite system with 10 wt % of biopolymer component can be utilized as biocement which is characterized by the prolonged setting time and achieves wash out resistance after 5 minutes of setting. The origin powder tetracalcium phosphate/nanomonetite agglomerates were coated with the thin layer of biopolymer which decelerates both the transformation rate of calcium phosphates and hardening process of composites. The porosity of hardened composite was around 62% and the compressive strength (8 MPa) was close to trabecular bone. No cytotoxicity of composite resulted from live/dead staining of osteoblasts cultured on substrates.</p></abstract>

Prepared powder polyhydroxybutyrate – chitosan - calcium phosphate composite system with 10 wt % of biopolymer component can be utilized as biocement which is characterized by the prolonged setting time and achieves wash out resistance after 5 minutes of setting. The origin powder tetracalcium phosphate/nanomonetite agglomerates were coated with the thin layer of biopolymer which decelerates both the transformation rate of calcium phosphates and hardening process of composites. The porosity of hardened composite was around 62% and the compressive strength (8 MPa) was close to trabecular bone. No cytotoxicity of composite resulted from live/dead staining of osteoblasts cultured on substrates.

Properties of Powder Composite Polyhydroxybutyrate–Chitosan-Calcium Phosphate System

Institute of Materials Research of Slovak Academy of Sciences

Powder Metallurgy Progress

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Prepared powder polyhydroxybutyrate – chitosan - calcium phosphate composite system with 10 wt % of biopolymer component can be utilized as biocement which is...

Properties of Powder Composite Polyhydroxybutyrate–Chitosan-Calcium Phosphate System

Publié en ligne: 21 déc. 2017

Pages: 1 - 9

DOI: https://doi.org/10.1515/pmp-2017-0001

Mots clés
polyhydroxybutyrate, chitosan, calcium phosphate cement, composite, biocement

© 2017 L. Medvecky et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Properties of Powder Composite Polyhydroxybutyrate–Chitosan-Calcium Phosphate System

Publié en ligne: 21 déc. 2017

Pages: 1 - 9

DOI: https://doi.org/10.1515/pmp-2017-0001

Mots cléspolyhydroxybutyrate, chitosan, calcium phosphate cement, composite, biocement

© 2017 L. Medvecky et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
polyhydroxybutyrate, chitosan, calcium phosphate cement, composite, biocement