Negative effect of clay fillers on the polyvinyl alcohol biodegradation: technical note

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F19%3A63523356" target="_blank" >RIV/70883521:28110/19:63523356 - isvavai.cz</a>
Alternative codes found
RIV/70883521:28610/19:63523356
Result on the web
<a href="https://www.degruyter.com/view/j/secm.ahead-of-print/secm-2017-0202/secm-2017-0202.xml" target="_blank" >https://www.degruyter.com/view/j/secm.ahead-of-print/secm-2017-0202/secm-2017-0202.xml</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1515/secm-2017-0202" target="_blank" >10.1515/secm-2017-0202</a>

Result language
angličtina
Original language name
Negative effect of clay fillers on the polyvinyl alcohol biodegradation: technical note
Original language description
This work focuses on polyvinyl alcohol (PVA) biodegradation in the presence of mineral clays in an aqueous aerobic environment. PVA with a degree of hydrolysis of 88% and 72% was used for the experiments. The selected group of mineral clays (nanofillers for polymers) of montmorillonite (MMT) Cloisite (R) Na+; organo-modified montmorillonite (OMMT) Cloisite (R) 20A, Cloisite (R) 30B; waste kaolin; kaolin; and zeolites were prepared by synthesis of the aforementioned kaolins. The level of biodegradation was measured using a respirometer, Micro-Oxymax, and evaluated according to CO2 production. Results of this test indicate a negative effect on PVA biodegradability in the presence of MMT Cloisite (R) Na+ and Cloisite (R) 30B. It has been found that PVA biodegradability in the presence of no adapted inoculum was adversely affected by the biocidal effects of the organic modifier of Cloisite (R) 30B. In this case, PVA 88-8 biodegradation decreased by 71% and PVA 72-10 biodegradation dropped by 58%. Furthermore, the sorption of PVA on the Cloisite (R) Na+ in the range of 40%-45% was demonstrated in the following research.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

Project
<a href="/en/project/LO1504" target="_blank" >LO1504: Centre of Polymer Systems Plus</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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