Influence of Catalyst Type on Biocompatibility of Polyurethanes

Joanna Ryszkowska; Monika Bil; Piotr Woźniak; Małgorzata Lewandowska; Krzysztof Jan Kurzydlowski

doi:10.4028/www.scientific.net/MSF.514-516.887

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Novel Multilayer Coatings on Polyethylene for Acetabular Devices
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α- to β Transformation on PVDF Films Obtained by Uniaxial Stretch
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Influence of Diene Content on the Photodegradation of Ethylene-Propylene-Diene (EPDM) Elastomers
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The Influence of Material Density on Bipolar Charge Transport in Polymer-Based Electronic Applications
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Influence of Catalyst Type on Biocompatibility of Polyurethanes
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Open Cell Polyurethane Foams for New Filters with Supported Adsorbents
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Plastic Behaviour of Copper Polycrystal Subjected to Fatigue-Tension Sequential Loading Tests
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Thermogravimetric Study of Polyethylene Catalytic Degradation by Zeolites
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Sorption of Sodium Dodecyl Sulfate by Polyaniline-Cellulose Acetate Blends: Equilibrium and Kinetic Studies
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Influence of Catalyst Type on Biocompatibility of Polyurethanes

Abstract:

Segmented polyurethanes (PUR) based on poly(ε-caprolactone)diol (PCL) as soft segments and cycloaliphatic diisocyanate were obtained. Two different types of catalysts were used for synthesis: dibutyltin dilaurate (DBTDL) and iron (III) acetylacetonate Fe(acac)3. Structure, thermal analysis, water absorption of obtained polyurethanes were studied. Polyurethanes catalyzed by Fe(acac)3 have lower glass transition temperature (Tg2) and melting temperature (Tm2) of hard domains in comparison with polyurethanes synthesized with DBTDL. Amount of absorbed water is in the range of 1,0-2,0% and is higher for PUR catalyzed by DBTDL. SEM observations show that type of catalyst used in synthesis affect structure of polyurethanes. Biological test XTT was done in order to determine influence of various metallic compounds used as catalyst on viability of human bone cell culture. The XTT results indicate no influence on viability of human osteoblasts cultured on the obtained PUR.