Resistance of Polylactide Materials to Water Mediums of the Various Natures
Affiliation:
1 Lviv Polytechnic National University
12, Bandera str., 79013Lviv, Ukraine
2 The John Paul II Catholic University of Lublin,
14, Al. Racławickie, 20-950 Lublin, Poland
masyukas@gmail.com
DOI:
https://doi.org/10.23939/chcht15.02.191
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Abstract:
The influence of talc filler, its content, as well as an additional heat treatment and temperature on the regularities of polylactide materials water-absorption has been researched. Based on the obtained data, the water diffusion coefficient in polylactide materials and the activation energy of the diffusion process were determined. It was found that the process of water absorption by the filled and heat-treated materials based on polylactide proceeds slower and requires more activation energy of the process. Stability of the developed polylactide materials to acidic and alkaline media has been determined, in particular, it was found that the destruction of polylactide samples occurs faster in an alkaline medium than in an acidic one
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