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Effective catalysis of poly(ethylene terephthalate) (PET) degradation by metallic acetate ionic liquids
Zhou, XY; Lu, XM; Wang, Q; Zhu, ML; Li, ZX; Zhou, Xueyuan; Lu, Xingmei; Wang, Qian; Zhu, Minli; Li, Zengxi
2012
Source PublicationPURE AND APPLIED CHEMISTRY
ISSN0033-4545
Volume84Issue:3Pages:789
Abstract

Poly(ethylene terephthalate) (PET) is widely used for beverage bottles, electrical and electronic instruments, household wares, and so on. As a consequence of dramatically increasing consumption, recycling of post-consumer PET products has become an important environmental opportunity for sustainable usage in society. In this paper, we investigated the use of chlorine-free metallic acetate ionic liquids (ILs) as catalysts for the degradation of PET because of their lower toxicity, corrosivity, and cost. 1,3-Diethylimidazolium triaceticzincate ([deim][Zn(OAc)(3)]) behaved as the best in this group. The synthesized ILs and the major product, characterized by a variety of techniques and factors affecting glycolysis, were examined. Under optimum conditions, conversion of PET reached 98.05 %, and the selectivity of the bis(hydroxyethyl) terephthalate (BHET) monomer was 70.94 %. A probable mechanism for the glycolysis of PET catalyzed by [deim][Zn(OAc)(3)] was given. In our opinion, catalysis accounted for the synergic effect of the cation and anion of the IL.

KeywordSoft-drink Bottles Differential Scanning Calorimetry Unsaturated Polyester Resins Polyethylene Terephthalate Supercritical Methanol Thermal-degradation Ethylene-glycol Depolymerization Waste Hydrolysis
SubtypeArticle
Subject AreaChemistry, Multidisciplinary ; Chemistry
DOI10.1351/PAC-CON-11-06-10
URL查看原文
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China [2009CB219902] ; National Natural Scientific Fund of China [20873152, 21076221, 21036007] ; Li Foundation
WOS IDWOS:000301282100028
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20717
Collection研究所(批量导入)
Corresponding AuthorLu, Xingmei
Recommended Citation
GB/T 7714
Zhou, XY,Lu, XM,Wang, Q,et al. Effective catalysis of poly(ethylene terephthalate) (PET) degradation by metallic acetate ionic liquids[J]. PURE AND APPLIED CHEMISTRY,2012,84(3):789.
APA Zhou, XY.,Lu, XM.,Wang, Q.,Zhu, ML.,Li, ZX.,...&Li, Zengxi.(2012).Effective catalysis of poly(ethylene terephthalate) (PET) degradation by metallic acetate ionic liquids.PURE AND APPLIED CHEMISTRY,84(3),789.
MLA Zhou, XY,et al."Effective catalysis of poly(ethylene terephthalate) (PET) degradation by metallic acetate ionic liquids".PURE AND APPLIED CHEMISTRY 84.3(2012):789.
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