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In-situ Acetylation of Pine Wood Chip in 1-Allyl-3-methylimidazolium Chloride(AmimCl) Ionic Liquid
Alternative TitleChem. J. Chin. Univ.-Chin.
Cao Yan; Wang Xue-Jing; Li Hui-Quan
2011-11-10
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
ISSN0251-0790
Volume32Issue:11Pages:2663-2666
AbstractPine wood chips were successfully acetylated in an ionic liquid 1-allyl-3-methylimidazolium chloride(AmimCl). Without any catalyst, acetylated pine with the weight percentage gain(WPG) in the range of -89% to 156% could be prepared in one-step. Under the homogeneous state, the WPG of acetyla-ted pine can be easily controlled by the acetylation time, temperature and molar ratio of Ac(2)O/OH. The obtained acetylated pine was characterized by means of FTIR, (13)C NMR, TGA and SEM. The NMR and FTIR results show obvious peaks for the acetylation; the TGA result shows that the thermal stability of acetylated wood can reach as high as 205 degrees C, which is a bit lower than the original pine; the SEM result shows that the acetylated pine has a dense and homogeneous structure. Therefore, this study presents a promising approach and green process for in-situ wood chip acetylation efficiently.; Pine wood chips were successfully acetylated in an ionic liquid 1-allyl-3-methylimidazolium chloride(AmimCl). Without any catalyst, acetylated pine with the weight percentage gain(WPG) in the range of -89% to 156% could be prepared in one-step. Under the homogeneous state, the WPG of acetyla-ted pine can be easily controlled by the acetylation time, temperature and molar ratio of Ac(2)O/OH. The obtained acetylated pine was characterized by means of FTIR, (13)C NMR, TGA and SEM. The NMR and FTIR results show obvious peaks for the acetylation; the TGA result shows that the thermal stability of acetylated wood can reach as high as 205 degrees C, which is a bit lower than the original pine; the SEM result shows that the acetylated pine has a dense and homogeneous structure. Therefore, this study presents a promising approach and green process for in-situ wood chip acetylation efficiently.
KeywordPine Wood Chip Ionic Liquid Homogeneous Acetylation
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
URL查看原文
Indexed BySCI
Language英语
WOS KeywordCHEMICAL-MODIFICATION ; LIGNOCELLULOSIC MATERIALS ; ESTERIFICATION ; DISSOLUTION ; ANHYDRIDES ; SPRUCE ; ESTERS
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000297231500036
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6376
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, Key Lab Green Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Cao Yan,Wang Xue-Jing,Li Hui-Quan. In-situ Acetylation of Pine Wood Chip in 1-Allyl-3-methylimidazolium Chloride(AmimCl) Ionic Liquid[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2011,32(11):2663-2666.
APA Cao Yan,Wang Xue-Jing,&Li Hui-Quan.(2011).In-situ Acetylation of Pine Wood Chip in 1-Allyl-3-methylimidazolium Chloride(AmimCl) Ionic Liquid.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,32(11),2663-2666.
MLA Cao Yan,et al."In-situ Acetylation of Pine Wood Chip in 1-Allyl-3-methylimidazolium Chloride(AmimCl) Ionic Liquid".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 32.11(2011):2663-2666.
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