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Information Journal Paper

Title

ELUCIDATION OF CHEMICAL STRUCTURE OF WOOD LIGNIN BY DISSOLVING IN 1-BUTYL-3-METHYLIMIDAZOLIUM CHLORIDE IONIC LIQUID

Pages

  279-289

Abstract

 Residual lgnin of wood after MWL ISOLATION was dissolved with 1-butyl-3-methylimidazolium chloride IONIC LIQUID. Chemical structure of isolated MWL from poplar wood (Popolus deltiodes) and dissolved residual lignin were characterized with gas CHROMATOGRAPHY and ID, 2D NMR techniques. Analytical results showed that Popolus delta ides wood has more 4- (3-hydroxy-1-propenyl) -2-methoxyphenol units (Guayacil lignin) than 4- (3-hydroxy-1-propenyl) -2, 6-dimethoxy phenol units (Syringyl moieties). In addition to Guayacil and Syringyl, the extracted ligin is composed of a small amount of p-benzyl alcohol. The residual lignin is mainly composed of condensed structures which are often of carbohydrate complexes. The lignin structural ratios of dissolved wood in IONIC LIQUID are the same as those of dioxan extracted lignin. Anomeric HSQC analysis of lignin showed that the lignin-carbohydrate complex is composed of cellulose, xylan, mannan and arabinan sugars. Side-chain region of lignin structure is mainly composed of β-O-4, phenylcoumaran, resinol and spirodienone moieties.

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    APA: Copy

    ABDULKHANI, ALI, MIRSHOKRAIE, SEYED AHMAD, HAMZEH, YAHYA, HEJAZI, SAHAB, & NOURI, AREZOU. (2011). ELUCIDATION OF CHEMICAL STRUCTURE OF WOOD LIGNIN BY DISSOLVING IN 1-BUTYL-3-METHYLIMIDAZOLIUM CHLORIDE IONIC LIQUID. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 24(4 (ISSUE NUMBER 114)), 279-289. SID. https://sid.ir/paper/385963/en

    Vancouver: Copy

    ABDULKHANI ALI, MIRSHOKRAIE SEYED AHMAD, HAMZEH YAHYA, HEJAZI SAHAB, NOURI AREZOU. ELUCIDATION OF CHEMICAL STRUCTURE OF WOOD LIGNIN BY DISSOLVING IN 1-BUTYL-3-METHYLIMIDAZOLIUM CHLORIDE IONIC LIQUID. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2011;24(4 (ISSUE NUMBER 114)):279-289. Available from: https://sid.ir/paper/385963/en

    IEEE: Copy

    ALI ABDULKHANI, SEYED AHMAD MIRSHOKRAIE, YAHYA HAMZEH, SAHAB HEJAZI, and AREZOU NOURI, “ELUCIDATION OF CHEMICAL STRUCTURE OF WOOD LIGNIN BY DISSOLVING IN 1-BUTYL-3-METHYLIMIDAZOLIUM CHLORIDE IONIC LIQUID,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 24, no. 4 (ISSUE NUMBER 114), pp. 279–289, 2011, [Online]. Available: https://sid.ir/paper/385963/en

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