木质纤维吸油气凝胶的制备及性能

doi:10.3969/j.issn.0253-2417.2019.04.007

林产化学与工业 ›› 2019, Vol. 39 ›› Issue (4): 49-55.doi: 10.3969/j.issn.0253-2417.2019.04.007

木质纤维吸油气凝胶的制备及性能

陈妍,王梓鑫,李奇臻,夏剑雨,刘祝兰,曹云峰*()

南京林业大学江苏省制浆造纸科学与技术重点实验室; 江苏省林业资源高效加工利用协同创新中心, 江苏南京 210037

收稿日期:2019-04-18 出版日期:2019-08-25 发布日期:2019-08-23
通讯作者: 曹云峰 E-mail:yunfcao@163.com
作者简介:陈妍(1994-),女,江苏扬州人,硕士生,主要从事制浆造纸工程及生物质新材料
基金资助:
国家自然科学基金资助项目(31600473);江苏省自然科学基金资助项目(BK20160928);江苏高校优势学科建设工程资助项目(无编号)

Synthesis and Characterization of Lignocellulose Oil-absorbing Aerogels

Yan CHEN,Zixin WANG,Qizhen LI,Jianyu XIA,Zhulan LIU,Yunfeng CAO*()

Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, Nanjing Forestry University; Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry Univeristy, Nanjing 210037, China

Received:2019-04-18 Online:2019-08-25 Published:2019-08-23
Contact: Yunfeng CAO E-mail:yunfcao@163.com
Supported by:
国家自然科学基金资助项目(31600473);江苏省自然科学基金资助项目(BK20160928);江苏高校优势学科建设工程资助项目(无编号)

摘要/Abstract

摘要：

大豆秸秆粉末经乙二胺（EDA）润胀消晶后溶解在LiCl/DMSO中，与甲基丙烯酸甲酯（MMA）及丙烯酸丁酯（BA）在交联剂N，N-亚甲基双丙烯酰胺（MBA）和引发剂偶氮二异丁氰（AIBN）作用下反应，制得具有半互穿聚合网络木质纤维疏水吸油气凝胶，并利用FT-IR、SEM、流变仪和光学接触角等手段表征凝胶相关性能。研究发现：制得的气凝胶同时含有单体聚合交联网络和木质纤维链段，有明显的多孔三维网络结构，且具有良好的疏水吸油性能。可通过调节木质纤维与单体比例调控凝胶网络结构和疏水吸油性能。当木质纤维与单体比例为1：4时，气凝胶结构最为疏松，孔隙增大，吸油性能最佳，其吸油量可达10.61 g/g（二甲苯）和7.41 g/g（食用油）。

关键词: LiCl/DMSO, 乙二胺, 木质纤维气凝胶, 半互穿网络, 吸油性能

Abstract:

Soybean straw powder was swelled by ethanediamine(EDA) and dissolved in LiCl/DMSO solution to get a homogenies solution. In the homogenies solution, a novel hydrophobic oil-absorbing aerogel was fabricated from lignocellulose and monomers including methyl methacrylate (MMA) and butyl acrylate(BA) by the method of semi-interpenetrating polymer network (SIPN) with using N, N-methylene diacrylamide (MBA) as the crosslinker and azobisisobutyronitrile (AIBN) as the initiator. The chemical linkage, microstructure, rheology, hydrophobic and oil-absorption were determined by FT-IR, SEM, rheology tester, contact angle tester and so on. It could be concluded that the poly-(MMA-BA) matrix and lignocellulose chains were intertwined with each other in the aerogel and the aerogel had obvious porous three-dimensional network structure, good hydrophobicity and oil-absorption. The microstructure, hydrophobicity and oil-absorption could be regulated by adjusting the ratio of lignocellulose and the monomers. The lignocellulose aerogel obtained with the ratio of lignocellulose and monomers ratio of 1:4, had the loosest structure and relatively larger pores, and its absorption capacity on xylene and edible oil could reach up to 10.61 g/g and 7.41 g/g respectively, and these data were higher than those of others.

Key words: LiCl/DMSO, ethanediamine, lignocellulose aerogel, semi-interpenetrating polymer network, oil-absorption

中图分类号:

TQ35

陈妍,王梓鑫,李奇臻,夏剑雨,刘祝兰,曹云峰. 木质纤维吸油气凝胶的制备及性能[J]. 林产化学与工业, 2019, 39(4): 49-55.

Yan CHEN,Zixin WANG,Qizhen LI,Jianyu XIA,Zhulan LIU,Yunfeng CAO. Synthesis and Characterization of Lignocellulose Oil-absorbing Aerogels[J]. Chemistry and Industry of Forest Products, 2019, 39(4): 49-55.

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[2]	夏剑雨, 刘祝兰, 曹云峰, 王志国. 乙二胺预处理麦草浆在LiCl/DMSO体系中的溶解-再生性能[J]. 林产化学与工业, 2016, 36(3): 101-106.
[3]	杨光;翟华敏. 甲基丙烯酸缩水甘油酯接枝纤维的合成及其吸油特性[J]. 林产化学与工业, 2011, 31(5): 32-36.

木质纤维吸油气凝胶的制备及性能

Synthesis and Characterization of Lignocellulose Oil-absorbing Aerogels

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