The preliminary studies of a structure and electrospinning of new polyurethanes based on synthetic atactic poly[(R, S)-3-hydroxybutyrate]

• Autorzy: Sajkiewicz P. , Brzeska J. , Denis P. , Sikorska W. , Kowalczuk M. , Rutkowska M.

Identyfikatory

DOI

10.2478/bpasts-2014-0006

• Języki publikacji: EN

Abstrakty

EN

Novel polyurethanes based on synthetic, atactic poly[(R, S)-3-hydroxybutyrate] (a-PHB) and polycaprolactone (PCL) or polyoxytetramethylene (PTMG) diols were synthesized. It was shown that the presence of a-PHB within soft segments reduces crystallinity of PUR. Because of the low melting temperature for polyurethanes with PCL in soft segments, at this stage of work, electrospinning was limited to polyurethanes containing PTMG and a-PHB. Polyurethane containing 80% of PTMG and 20% of a-PHB was electrospun at various parameters from hexafluoro-2-propanole solution, resulting in formation of fibers with the average diameter ca. 2 μm. The fiber diameter decreased with decreasing polymer concentration in a solution and was practically insensitive to the needle-collector distance in the applied range of distances.

Słowa kluczowe

EN

polyurethane; polyhydroxybutyrate; electrospinning; scaffolds

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2014
• Tom: Vol. 62, nr 1
• Strony: 55--60
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wykr.

Twórcy

autor

Sajkiewicz P.

• Institute of Fundamental Technological Research, Polish Academy of Sciences, Polymer Physics Laboratory,5B Pawińskiego St., 02-106, Warsaw, Poland

autor

Brzeska J.

• Department of Chemistry and Commodity Science, Gdynia Maritime University, 83 Morska St., 81-225 Gdynia, Poland

autor

Denis P.

• Institute of Fundamental Technological Research, Polish Academy of Sciences, Polymer Physics Laboratory,5B Pawińskiego St., 02-106, Warsaw, Poland

autor

Sikorska W.

• Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Skłodowska-Curie St., 41-800 Zabrze, Poland

autor

Kowalczuk M.

• Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Skłodowska-Curie St., 41-800 Zabrze, Poland

autor

Rutkowska M.

• Department of Chemistry and Commodity Science, Gdynia Maritime University, 83 Morska St., 81-225 Gdynia, Poland

Bibliografia

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