Biodegradation and ecotoxicological impact of cellulose nanocomposites under controlled composting conditions

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SALEHPOUR SH.; JONOOBI M.; AHMADZADEH M.; Rafieian f.

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Journal: Iranian Journal of Wood and Paper Science Research Year:2018 | Volume:33 | Issue:1 (62) Page(s): 122-132

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Information Journal Paper

Title

Biodegradation and ecotoxicological impact of cellulose nanocomposites under controlled composting conditions

Author(s)

SALEHPOUR SH. | JONOOBI M. | AHMADZADEH M. | Rafieian f. | Issue Writer Certificate

Keywords

Poly (vinyl alcohol)Q1

cellulose nanofibersQ1

biodegradabilityQ1

ecotoxicologicalQ1

compostQ1

Abstract

The biodegradability of cellulose nananofiber-PVA nanocomposites were studied under controlled composting conditions and the quality of the compost was evaluated. The nanocomposite based on PVA with 5, 10, 20 and 30% wt of CNF was prepared by using liquid nitrogen and freeze drying techniques. Specimens were buried in compost obtained from municipal solid waste of a compost Factory, Karaj municipality, Iran, for 150 days. The biodegradability of materials was assessed by visual observation, weight loss, scanning electron microscopy (SEM) and chemistry and transparency (FTIR). The ecotoxicological impact of compost samples was evaluated via plant growth tests with cress and spinach. Biodegradation studies of the films during municipal solid waste confirmed that the biodegradation time of PVA/CNF films greatly depends on the CNF content. The SEM analysis showed that the biodegradability of the films at the surface of the samples (deep pores and cracks) was increased with increased the CNF content. By considering the ecotoxicological test using plants growth, it seems that all nanocomposite and pure PVA did not generate a negative effect on germination or development of the vegetal species.

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APA: Copy

SALEHPOUR, SH., JONOOBI, M., AHMADZADEH, M., & Rafieian, f.. (2018). Biodegradation and ecotoxicological impact of cellulose nanocomposites under controlled composting conditions. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 33(1 (62) ), 122-132. SID. https://sid.ir/paper/109843/en

Vancouver: Copy

SALEHPOUR SH., JONOOBI M., AHMADZADEH M., Rafieian f.. Biodegradation and ecotoxicological impact of cellulose nanocomposites under controlled composting conditions. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2018;33(1 (62) ):122-132. Available from: https://sid.ir/paper/109843/en

IEEE: Copy

SH. SALEHPOUR, M. JONOOBI, M. AHMADZADEH, and f. Rafieian, “Biodegradation and ecotoxicological impact of cellulose nanocomposites under controlled composting conditions,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 33, no. 1 (62) , pp. 122–132, 2018, [Online]. Available: https://sid.ir/paper/109843/en

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