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Synthesis and Characterization of Poly(ethylene terephthalate) from Biomass-Based Ethylene Glycol: Effects of Miscellaneous Diols
Xiao, Bin; Zheng, Mingyuan; Pang, Jifeng; Jiang, Yu; Wang, Hua; Sun, Ruiyan; Wang, Aiqin; Wang, Xiaodong; Zhang, Tao
刊名INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
2015-06-10
DOI10.1021/acs.iecr.5b00487
54期:22页:5862-5869
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Engineering, Chemical
研究领域[WOS]Engineering
关键词[WOS]CATALYTIC CONVERSION ; 1,2-PROPYLENE GLYCOL ; TUNGSTEN CARBIDE ; CELLULOSE ; TRANSFORMATION ; CHEMICALS ; CRYSTALLIZATION ; NANOCOMPOSITES ; CHEMISTRY ; FUELS
英文摘要Using biomass-derived ethylene glycol (bio-EG) to synthesize poly(ethylene terephthalate) (PET) is of notable significance for alleviating the dependence on fossil energy resources. Bio-EG readily contains a small amount of miscellaneous diols, which derive from the side reactions in the catalytic conversion of biomass. To disclose the effects of miscellaneous diols on the synthesis and properties of PET, EG feedstock containing four 1,2-diols, i.e., 1,2-propylene glycol, 1,2-butanediol, 1,2-pentanediol, and 1,2-hexanediol at 0-10% concentrations was used for the synthesis of PET. The molecular weights, intrinsic viscosities, and thermal and mechanical properties of obtained PET materials were measured. It was found that when the overall content of miscellaneous diols in EG was lower than 5%, the molecular weights and thermal properties of the prepared PET materials were very similar to that of PET synthesized from pure EG. The miscellaneous diols were less likely to be incorporated into PET resin because of the steric hindrance of the alkyl group in diols to the esterification and polycondensation reactions. Instead, they preferred to undergo dehydration reactions to form low-boiling-point aldehydes and hemiacetals, which could be removed from the reaction system during the reactions. Three bio-EG samples at purities of 99.9, 98.5, and 95.8 wt % were used for the bio-PET synthesis. Transparent and colorless bio-PET samples were obtained, demonstrating that the presence of miscellaneous diols does not have negative effects on the color quality of PET. The physical properties of bio-PET prepared with bio-EG at a purity of higher than 98 wt % were nearly the same as those of PET derived from pure EG. At a lower bio-EG purity of 95.8 wt %, the tensile strength of the obtained bio-PET sample was slightly decreased. The comprehensive results of property characterization show that bio-PET materials prepared with bio-EG at purity higher than 95 wt % could be used as widely as the conventional petro-PET resin without notable deterioration in their performance.
语种英语
WOS记录号WOS:000356317100002
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146334
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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GB/T 7714
Xiao, Bin,Zheng, Mingyuan,Pang, Jifeng,et al. Synthesis and Characterization of Poly(ethylene terephthalate) from Biomass-Based Ethylene Glycol: Effects of Miscellaneous Diols[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2015,54(22):5862-5869.
APA Xiao, Bin.,Zheng, Mingyuan.,Pang, Jifeng.,Jiang, Yu.,Wang, Hua.,...&Zhang, Tao.(2015).Synthesis and Characterization of Poly(ethylene terephthalate) from Biomass-Based Ethylene Glycol: Effects of Miscellaneous Diols.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,54(22),5862-5869.
MLA Xiao, Bin,et al."Synthesis and Characterization of Poly(ethylene terephthalate) from Biomass-Based Ethylene Glycol: Effects of Miscellaneous Diols".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 54.22(2015):5862-5869.
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