Use of solid product of biomass pyrolysis for grafted PHB and its biodegradation

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Use of solid product of biomass pyrolysis for grafted PHB and its biodegradation

Popis výsledku v původním jazyce

The application of solid product of biomass pyrolysis (SPB) as a filler in polymers can be viewed as a sustainable approach that incorporates agricultural waste based value-added material and simultaneously expands the possibilities of use bio-waste in a smart way. The main aim of this work was to investigate the biodegradation of the PHB filled by the SPB. In this experimental study, PHB (poly-3-hydroxy butyrate) was filled by SPB, grafted by maleic anhydride (MA) and 2,5-dimethyl-2,5-di-(tert-butylperoxy)hexane. The foils characterization was performed by X-ray difraction analysis (XRD), scanning electron microscopy (SEM), optical microscopy and FTIR. Biodegradation was studied in the soil environment, with 54 % humidity and 25 °C and took more than 200 days. Level of biodegradation was evaluated by the production of carbon dioxide, measured by a mass spectrometer, scanning electron microscopy and fluorescence microscopy. Samples were observed before the biodegradation and also during the biodegradation process. These analysis confirmed that the SPB changed the morphological structure of the grafted PHB, and thus affected the biodegradation.

Název v anglickém jazyce

Use of solid product of biomass pyrolysis for grafted PHB and its biodegradation

Popis výsledku anglicky

The application of solid product of biomass pyrolysis (SPB) as a filler in polymers can be viewed as a sustainable approach that incorporates agricultural waste based value-added material and simultaneously expands the possibilities of use bio-waste in a smart way. The main aim of this work was to investigate the biodegradation of the PHB filled by the SPB. In this experimental study, PHB (poly-3-hydroxy butyrate) was filled by SPB, grafted by maleic anhydride (MA) and 2,5-dimethyl-2,5-di-(tert-butylperoxy)hexane. The foils characterization was performed by X-ray difraction analysis (XRD), scanning electron microscopy (SEM), optical microscopy and FTIR. Biodegradation was studied in the soil environment, with 54 % humidity and 25 °C and took more than 200 days. Level of biodegradation was evaluated by the production of carbon dioxide, measured by a mass spectrometer, scanning electron microscopy and fluorescence microscopy. Samples were observed before the biodegradation and also during the biodegradation process. These analysis confirmed that the SPB changed the morphological structure of the grafted PHB, and thus affected the biodegradation.

Druh

O - Ostatní výsledky

CEP obor

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OECD FORD obor

10511 - Environmental sciences (social aspects to be 5.7)

Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů