Degradation of polycaprolactone modified with TPS or CaCO3 in biotic/abiotic seawater - Publikacja - MOST Wiedzy

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Degradation of polycaprolactone modified with TPS or CaCO3 in biotic/abiotic seawater

Abstrakt

This paper is an investigation of the polymer degradation process in two types of seawater (with and without microorganisms) sourced from the Baltic Sea. The chosen polymeric materials were polycaprolactone modified with either thermoplastic starch (PCL/TPS>85%) or calcium carbonate (60% PCL/40% CaCO3) compared directly against unmodified polycaprolactone. All samples were incubated for 28 weeks in seawater with and without microorganisms under laboratory conditions and analysed before and after the degradation process. Weight loss analysis, microscopic observations of polymer surfaces and tensile strength tests were used to determine the progress of polymer degradation. The experimental results obtained indicated, that in each of the experiments, degradation of tested polymeric samples occured. The process was more effective in seawater with microorganisms compared against systems without added microorganisms. The experiment in seawater demonstrated that modification of PCL with calcium carbonate did not encourage the degradation process; and in some circumstances inhibited it.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
JOURNAL OF POLYMERS AND THE ENVIRONMENT nr 20, strony 353 - 360,
ISSN: 1566-2543
Język:
angielski
Rok wydania:
2012
Opis bibliograficzny:
Guzman-Sielicka A., Janik H., Sielicki P.: Degradation of polycaprolactone modified with TPS or CaCO3 in biotic/abiotic seawater// JOURNAL OF POLYMERS AND THE ENVIRONMENT. -Vol. 20, nr. iss. 2 (2012), s.353-360
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1007/s10924-011-0384-3
Weryfikacja:
Politechnika Gdańska

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