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HERO ID
4852280
Reference Type
Journal Article
Title
An efficient bio-based plasticizer for poly (vinyl chloride) from waste cooking oil and citric acid: Synthesis and evaluation in PVC films
Author(s)
Feng, G; Hu, L; Ma, Yan; Jia, P; Hu, Yun; Zhang, M; Liu, C; Zhou, Y
Year
2018
Is Peer Reviewed?
1
Journal
Journal of Cleaner Production
ISSN:
0959-6526
EISSN:
1879-1786
Publisher
Elsevier Ltd
Location
OXFORD
Volume
189
Page Numbers
334-343
Language
English
DOI
10.1016/j.jclepro.2018.04.085
Web of Science Id
WOS:000432771000031
URL
http://www.sciencedirect.com/science/article/pii/S0959652618311041
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Abstract
In this study, a bio-based efficient plasticizer (acetylated-fatty acid methyl ester-citric acid ester, AC-FAME -CAE) for poly(vinyl chloride) (PVC) was synthesized by using waste cooking oil and citric acid as raw materials in very user-friendly approaches. Its structure was characterized by FTIR and H-1 NMR. The epoxidation and ring opening reaction were investigated primarily using a GC-MS analysis. Tetrabutylammonium chloride (TBAC) was used as the catalyst of ring opening, and it dramatically accelerated the reaction process of carboxylic acid and epoxy bonds. The glass transition temperature (T-g) decreased to 26.32 degrees C, as determined by dynamic mechanical analysis (DMA), when 50 phr of AC-FAME-CAE was added. The mechanical and migration stabilities of PVC films with AC-FAME-CAE plasticizer were investigated using volatility and extraction tests as well as thermogravimetric analysis (TGA) and TGA FTIR analysis. The mechanical properties of PVC films with AC-FAME-CAE plasticizer were obviously better than those of PVC films plasticized by ESO (epoxidized soybean oil) and as good as those of PVC films plasticized by DOP (dioctyl phthalate, 99%). The structure property analysis of the AC-FAME-CAE as a PVC plasticizer confirmed that a higher molecular weight and more ester bonds could reduce the volatility and extraction loss and improve the compatibility and stability of PVC films. (C) 2018 Published by Elsevier Ltd.
Keywords
Bio-based plasticizer; Waste cooking oil; Citric acid; Thermal stability; Compatibility; TGA-FTIR
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