麦草碱木质素溶解性质的定量探究

doi:10.3969/j.issn.0253-2417.2018.01.004

林产化学与工业 ›› 2018, Vol. 38 ›› Issue (1): 25-32.doi: 10.3969/j.issn.0253-2417.2018.01.004

麦草碱木质素溶解性质的定量探究

倪海月¹, 任世学^1,2, 方桂珍^1,2, 马艳丽^1,2, 刘晓乐¹

1. 东北林业大学材料科学与工程学院, 黑龙江哈尔滨 150040;
2. 东北林业大学生物质材料科学与技术教育部重点实验室, 黑龙江哈尔滨 150040

收稿日期:2017-09-19 出版日期:2018-02-25 发布日期:2018-02-28
通讯作者: 任世学,副教授,硕士生导师,研究领域木材化学;E-mail:renshixue@nefu.edu.cn。 E-mail:renshixue@nefu.edu.cn
作者简介:倪海月(1992-),女,山东聊城人,硕士生,从事木质素化学应用研究;E-mail:1182944344@qq.com
基金资助:
中央高校基本科研业务费专项资金资助（2572016CB01）；黑龙江省自然科学基金项目资助（C2015056）

Quantitative Research on Solubility Property of Straw Wheat Alkali Lignin

NI Haiyue¹, REN Shixue^1,2, FANG Guizhen^1,2, MA Yanli^1,2, LIU Xiaole¹

1. College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China;
2. Key Laboratory of Bio-based Material Science and Technology, Ministry of Education, Northeast Forestry University, Harbin 150040, China

Received:2017-09-19 Online:2018-02-25 Published:2018-02-28

摘要/Abstract

摘要： 为定量研究麦草碱木质素的溶解性质，采用Hansen溶解度参数法（HSP）获得了其在298.15 K的溶解度参数（δ_T）；利用反气相色谱法（IGC），以麦草碱木质素为固定相，以脂肪族、脂环族、芳香族、醇、酮、卤代烃和四氢呋喃等7类20种小分子化合物为探针溶剂，测定了麦草碱木质素在403.15~443.15 K的溶解度参数（δ₂）及推断出相关热力学性质，并比较了这两种方法获得的溶解度参数。结果表明：采用HSP法测得298.15 K麦草碱木质素的δ_T为20.68（J/cm³）^0.5，IGC法外推得出298.15 K麦草碱木质素的δ₂值为20.09（J/cm³）^0.5，二者结果相近；四氢呋喃、醇和酮等溶剂有较强溶解麦草碱木质素的趋势；在403.15~443.15 K范围内，麦草碱木质素的δ₂值随温度升高而增加。

关键词: 反气相色谱, Hansen溶解度参数, 麦草碱木质素, 溶解度参数

Abstract: For quantitative characterizing the solubility properties of wheat straw alkali lignin,the solubility parameters were measured by inverse gas chromatography (IGC) and Hansen solubility parameter (HSP) method.By IGC method,the solubility parameter (δ₂) and the related thermodynamic properties of wheat straw alkali lignin were determined in 403.15-443.15 K;wheat straw alkali lignin was used as the stationary phase,and 7 classes of 20 kinds of organic solvents,namely aliphatic,cycloaliphatic,aromatic hydrocarbons,alcohols,ketones,halohydrocarbons and tetrahydrofuran totally 7 classes of 20 kinds of organic solvents were used as the probe molecules;the δ₂ was derived as 20.09(J/cm³)^0.5 at 298.15 K by linear extrapolation and the δ₂ increased with the increase of temperature in 403.15-443.15 K.By HSP method,the solubility parameter (δ_T) was measured as 20.68(J/cm³)^0.5 at 298.15 K.The δ₂ and δ_T values were consistent by IGC and HSP method.And tetrahydrofuran,alcohols and ketones had a good trend of solving straw alkali lignin.

Key words: inverse gas chromatography, Hansen solubility parameter, straw alkali lignin, solubility parameter

中图分类号:

TQ35

倪海月, 任世学, 方桂珍, 马艳丽, 刘晓乐. 麦草碱木质素溶解性质的定量探究[J]. 林产化学与工业, 2018, 38(1): 25-32.

NI Haiyue, REN Shixue, FANG Guizhen, MA Yanli, LIU Xiaole. Quantitative Research on Solubility Property of Straw Wheat Alkali Lignin[J]. Chemistry and Industry of Forest Products, 2018, 38(1): 25-32.

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麦草碱木质素溶解性质的定量探究

Quantitative Research on Solubility Property of Straw Wheat Alkali Lignin

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