木质素胺基多元醇的合成及其化学结构表征

›› 2010, Vol. 30 ›› Issue (3): 93-96.

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Synthesis and Chemical Structure Characterization of Lignin Aminated Polyol

HUO Shu-ping, KONG Zhen-wu, CHEN Jian, WU Guo-min, NIE Ming-cai

Institute of Chemical Industry of Forest Products, CAF;National Engineering Lab.for Biomass Chemical Utilization;Key and Open Lab.on Forest Chemical Engineering, SFA;Key Lab.of Biomass Energy and Material, Nanjing 210042, China

Received:2009-10-13 Revised:1900-01-01 Online:2010-06-30 Published:2010-06-30

Abstract

Abstract: Lignin aminated polyol was prepared from lignin, diethanolamine and formaldehyde by the Mannich reaction. The effects of reaction temperature, reaction time, pH value, the dosage of diethanolamine and formaldehyde on the hydroxyl value of the product were investigated. It was shown from the results that at the mass ratio of diethanolamine to lignin 0.35:1, the molar ratio of formaldehyde to diethanolamine 1.1:1, reaction tempreture 80℃ and pH value 11, the hydroxyl value 279mg/g of the product is the highest. The chemical structure of lignin aminated polyol was characterized by FT-IR and elemental analysis methods.

Key words: lignin, Mannich reaction, diethanolamine

CLC Number:

TQ351

HUO Shu-ping;KONG Zhen-wu;CHEN Jian;WU Guo-min;NIE Ming-cai. Synthesis and Chemical Structure Characterization of Lignin Aminated Polyol[J]. , 2010, 30(3): 93-96.

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Synthesis and Chemical Structure Characterization of Lignin Aminated Polyol

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