<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The aim of the studies presented in this paper was the selection of the polyurethanes synthesized from different substrates in order to obtain i) ceramic - biodegradable polymer composite and ii) polyurethane resistant to abrasive wear. The polyurethanes were obtained from the crystalline prepolymers extended by water, because it may have a beneficial effect on the toxicity of the material. The properties of PUs were investigated using infrared spectroscopy, thermogravimetry, differential scanning calorimetry and scanning electron microscopy. In all the tested polyurethanes the peak from the reactive -NCO groups was not observed, which indicates that all the substrates are fully reacted. Such polyurethanes are characterized by interesting properties with the perspective use as components of ceramic-polymer joints endoprosthesis. The designed endoprosthesis should fulfill at least three functions: load bearing function (ceramic core), fastening and stabilizing endoprosthesis to the bone (composite ceramics - biodegradable polymer) and tribologic function allowing mating with parts of the prosthesis (polyurethane layer resistant to abrasive wear).</p></abstract>

The aim of the studies presented in this paper was the selection of the polyurethanes synthesized from different substrates in order to obtain i) ceramic - biodegradable polymer composite and ii) polyurethane resistant to abrasive wear. The polyurethanes were obtained from the crystalline prepolymers extended by water, because it may have a beneficial effect on the toxicity of the material. The properties of PUs were investigated using infrared spectroscopy, thermogravimetry, differential scanning calorimetry and scanning electron microscopy. In all the tested polyurethanes the peak from the reactive -NCO groups was not observed, which indicates that all the substrates are fully reacted. Such polyurethanes are characterized by interesting properties with the perspective use as components of ceramic-polymer joints endoprosthesis. The designed endoprosthesis should fulfill at least three functions: load bearing function (ceramic core), fastening and stabilizing endoprosthesis to the bone (composite ceramics - biodegradable polymer) and tribologic function allowing mating with parts of the prosthesis (polyurethane layer resistant to abrasive wear).

Polyurethanes used in the endoprosthesis of joints

Faculty of Materials Science and Engineering, Warsaw University of Technology, ul. Wołoska 141, 02-507 Warszawa, Poland

The Institute Ceramics and Building Materials, ul. Postępu 9, 02-676 Warszawa, Poland

Polish Journal of Chemical Technology

{"article-title":"Polyurethanes used in the endoprosthesis of joints"}

The aim of the studies presented in this paper was the selection of the polyurethanes synthesized from different substrates in order to obtain i) ceramic -...

Polyurethanes used in the endoprosthesis of joints

Publié en ligne: 27 sept. 2010

Pages: 10 - 14

DOI: https://doi.org/10.2478/v10026-010-0025-y

Mots clés
polyurethane, biodegradation, abrasive wear, joint endoprosthesis

This content is open access.

Polyurethanes used in the endoprosthesis of joints

Publié en ligne: 27 sept. 2010

Pages: 10 - 14

DOI: https://doi.org/10.2478/v10026-010-0025-y

Mots cléspolyurethane, biodegradation, abrasive wear, joint endoprosthesis

This content is open access.

Mots clés
polyurethane, biodegradation, abrasive wear, joint endoprosthesis