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On pressure and temperature affected shear viscosity behaviour of Poly(Lactid) acid melt
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| Název: | On pressure and temperature affected shear viscosity behaviour of Poly(Lactid) acid melt |
| Autor: | Piyamanocha, Pongprapat; Sedláček, Tomáš; Sáha, Petr |
| Typ dokumentu: | Článek ve sborníku (English) |
| Zdrojový dok.: | Recent Researches in Geography, Geology, Energy, Environment and Biomedicine - Proc. of the 4th WSEAS Int. Conf. on EMESEG'11, 2nd Int. Conf. on WORLD-GEO'11, 5th Int. Conf. on EDEB'11. 2011, p. 396-400 |
| ISBN: |
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| Abstrakt: | Rheological properties of a poly(lactid) acid (PLA) as one of the most important bio-base sustainable polymer potentially applicable for medical applications had been studied. Shear flow behaviour of PLA melt was determined using capillary rheometer modified by backpressure device directly connected to the main rheological apparatus. The device employed increases pressure actuating on polymer melt stream in capillary reservoir through restricting valve resulting in an increase of melt viscosity. The temperature and pressure sensitivity coefficients were determined through the viscosity data fitting with the Carreau-Yasuda model. The study revealed that shear viscosity of tested PLA melt is strongly affected by temperature and pressure. |
| Plný text: | http://www.wseas.us/e-library/conferences/2011/Corfu/GEMESED/GEMESED-70.pdf |
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Soubory tohoto záznamu
Citace ČSN ISO 690:2011
Citace článku v konferenčním sborníku:
PIYAMANOCHA, Pongprapat, Tomáš SEDLÁČEK a Petr SÁHA. On pressure and temperature affected shear viscosity behaviour of Poly(Lactid) acid melt. In: Recent Researches in Geography, Geology, Energy, Environment and Biomedicine - Proc. of the 4th WSEAS Int. Conf. on EMESEG'11, 2nd Int. Conf. on WORLD-GEO'11, 5th Int. Conf. on EDEB'11 [online]. Corfu Island: 2011, s. 396-400. [cit. 2024-12-12]. Dostupné z: http://www.wseas.us/e-library/conferences/2011/Corfu/GEMESED/GEMESED-70.pdf.
Tyto citace vytvořil software a mohou obsahovat chyby. Pro ověření přesnosti si nastudujte příslušnou citační normu nebo příručku.
PIYAMANOCHA, Pongprapat, Tomáš SEDLÁČEK a Petr SÁHA. On pressure and temperature affected shear viscosity behaviour of Poly(Lactid) acid melt. In: Recent Researches in Geography, Geology, Energy, Environment and Biomedicine - Proc. of the 4th WSEAS Int. Conf. on EMESEG'11, 2nd Int. Conf. on WORLD-GEO'11, 5th Int. Conf. on EDEB'11 [online]. Corfu Island: 2011, s. 396-400. [cit. 2024-12-12]. Dostupné z: http://www.wseas.us/e-library/conferences/2011/Corfu/GEMESED/GEMESED-70.pdf.
Tyto citace vytvořil software a mohou obsahovat chyby. Pro ověření přesnosti si nastudujte příslušnou citační normu nebo příručku.
