- Preparation and formation mechanism of size-controlled lignin nanospheres by self-assembly被引量:152收藏
- 作者:Xiong, Fuquan[1] Han, Yanming[1] Wang, Siqun[1,2] Li, Gaiyun[1] Qin, Tefu[1]
- 机构:Chinese Acad Forestry;Univ Tennessee
- 来源:INDUSTRIAL CROPS AND PRODUCTS 2017
- 关键词:Enzymatic hydrolysis lignin Self-assembly Nanospheres Formation mechanism
- Preparation and Formation Mechanism of Renewable Lignin Hollow Nanospheres with a Single Hole by Self-Assembly被引量:132收藏
- 作者:Xiong, Fuquan[1] Han, Yanming[1] Wang, Siqun[1,2] Li, Gaiyun[1] Qin, Tefu[1]
- 机构:Chinese Acad Forestry;Univ Tennessee
- 来源:ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2017
- 关键词:Self-assembly Lignin hollow nanospheres Opening hole Formation mechanism
- Transparent Nanocomposite Films of Lignin Nanospheres and Poly(vinyl alcohol) for UV-Absorbing被引量:87收藏
- 作者:Xiong, Fuquan[1,2] Wu, Yiqiang[2] Li, Gaiyun[1] Han, Yanming[1] Chu, Fuxiang[1]
- 机构:Chinese Acad Forestry;Cent South Univ Forestry & Technol
- 来源:INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 2018
- 关键词:Bottles - Glass transition - Lignin - Nanocomposites - Nanospheres - Number theory - Phase separation - Polyvinyl alcohols
- 杉木综纤维素和木质素的近红外光谱法测定被引量:84收藏
- 作者:黄安民[1] 江泽慧[1] 李改云[1]
- 机构:中国林业科学研究院木材工业研究所
- 来源:《光谱学与光谱分析》 2007
- 关键词:近红外光谱 综纤维素 木质素
- 摘要:用近红外光谱法对杉木中综纤维素和木质素含量进行了快速测定。用常规湿化学方法测定了48个杉木木材样品的综纤维素和木质素,用近红外光谱仪采集相应的光谱,进行二阶微分处理和平滑预处理后,用偏最小二乘法和完全交互验证方式建立相应...
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- Preparation and characterization of flame retardant polyurethane foams containing phosphorus-nitrogen-functionalized lignin被引量:80收藏
- 作者:Zhu, Haibin[1] Peng, Zumao[1] Chen, Yongmei[1] Li, Gaiyun[2] Wang, Lei[1]
- 机构:Beijing Univ Chem Technol;Chinese Acad Forestry
- 来源:RSC ADVANCES 2014
- 关键词:Aromatic compounds - Nitrogen - Phosphorus - Smoke
- Electrochemical depolymerization of lignin into renewable aromatic compounds in a non-diaphragm electrolytic cell被引量:72收藏
- 作者:Zhu, Haibin[1] Wang, Lei[1] Chen, Yongmei[1] Li, Gaiyun[2] Li, Huan[1]
- 机构:Beijing Univ Chem Technol;Chinese Acad Forestry
- 来源:RSC ADVANCES 2014
- 关键词:Aromatic compounds - Carbonyl compounds - Electrodes - Electrolysis - Electrolytes - Electrolytic cells - Lignin
- Superelastic, Hygroscopic, and Ionic Conducting Cellulose Nanofibril Monoliths by 3D Printing被引量:66收藏
- 作者:Chen, Yuan[1,2] Yu, Zhengyang[2] Ye, Yuhang[2] Zhang, Yifan[2] Li, Gaiyun[1]
- 机构:Chinese Acad Forestry;Univ British Columbia;Univ British Columbia
- 来源:ACS NANO 2021
- 关键词:3D printing cellulose nanofibrils superelastic shape recovery hygroscopic salt pressure sensor
- Preparation of Targeted Lignin-Based Hollow Nanoparticles for the Delivery of Doxorubicin被引量:51收藏
- 作者:Zhou, Yu[1] Han, Yanming[1] Li, Gaiyun[1] Yang, Sheng[1] Xiong, Fuquan[2]
- 机构:Chinese Acad Forestry;Cent South Univ Forestry & Technol
- 来源:NANOMATERIALS 2019
- 关键词:lignin nanoparticles targeted materials drug delivery
- 木材的液化及其利用被引量:43收藏
- 作者:罗蓓[1] 秦特夫[1] 李改云[1]
- 机构:中国林科院木材工业研究所
- 来源:《木材工业》 2004
- 关键词:木材液化 液化机理 综合利用
- 摘要: 木材液化是指在某些有机物的存在下,将木材转化为类似液体的黏稠状流体的热化学过程。本文综述了20年来木材液化技术的发展状况,包括液化方法,木材主成分的液化机理,液化反应的影响因素及液化技术的应用。
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- 酸催化下苯酚液化木材的制备与表征被引量:42收藏
- 作者:李改云[1] 秦特夫[1] 黄洛华[1]
- 机构:中国林科院木材工业研究所
- 来源:《木材工业》 2005
- 关键词:液化木材 苯酚 红外光谱 凝胶渗透色谱
- 摘要:在硫酸作用下用苯酚对人工林杨木和杉木进行液化,考察反应时间、反应温度等对液化反应的影响,并对液 化产物进行表征分析。结果表明:1)在硫酸催化下,杨木和杉木被苯酚液化的历程相似,但残渣含量稍有不同。酸性 催化剂不仅...
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- 近红外光谱法快速测定毛竹Klason木质素的含量被引量:39收藏
- 作者:李改云[1] 黄安民[1] 王戈[2] 覃道春[2] 江泽慧[1]
- 机构:中国林业科学研究院木材工业研究所;国际竹藤网络中心
- 来源:《光谱学与光谱分析》 2007
- 关键词:木质素 毛竹 近红外 偏最小二乘法
- 摘要:研究了用近红外漫反射光谱法对毛竹Klason木质素含量的快速预测。选取了代表不同竹龄、不同高度和横向不同位置的54个竹材粉末样品,用常规实验室方法测定了54个样品的Klason木质素含量,用近红外光谱仪漫反射方式在350...
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- Improvement of the Performance of Plantation Wood by Grafting Water-Soluble Vinyl Monomers onto Cell Walls被引量:34收藏
- 作者:Qiu, Hongbo[1,2] Yang, Sheng[3] Han, Yanming[2] Shen, Xiaoshuang[2] Fan, Donbin[2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Chinese Acad Forestry
- 来源:ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2018
- 关键词:Water-soluble vinyl monomers Grafting Cell walls Plantation wood
- Length-controlled cellulose nanofibrils produced using enzyme pretreatment and grinding被引量:33收藏
- 作者:Chen, Yuan[1] Fan, Dongbin[1] Han, Yanming[1] Li, Gaiyun[1] Wang, Siqun[2]
- 机构:Chinese Acad Forestry;Univ Tennessee
- 来源:CELLULOSE 2017
- 关键词:Cellulose nanofibrils Length-controlled Enzyme Grinding Nanofilms
- Chemical compositions, infrared spectroscopy, and X-ray diffractometry study on brown-rotted woods被引量:33收藏
- 作者:Li, Gai-Yun[1] Huang, Luo-Hua[1] Hse, Chung-Yun[2] Qin, Te-Fu[1]
- 机构:Chinese Acad Forestry;USDA Forest Serv
- 来源:CARBOHYDRATE POLYMERS 2011
- 关键词:Brown-rot decay Chemical component Alkali solubility Crystallinity FTIR
- Dual-Enhanced Hydrophobic and Mechanical Properties of Long-Range 3D Anisotropic Binary-Composite Nanocellulose Foams via Bidirectional Gradient Freezing被引量:32收藏
- 作者:Chen, Yuan[1,2] Yang, Sheng[1] Fan, Dongbin[1] Li, Gaiyun[1,2] Wang, Siqun[1,3]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Univ Tennessee
- 来源:ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2019
- 关键词:elasticity-enhanced bidirectional gradient freezing 3D anisotropic nanocellulose foam silylated modification
- Preparation and characterization of wood polyalcohol-based isocyanate adhesives被引量:32收藏
- 作者:Tohmura, Shin-Ichiro[1] Li, Gai-Yun[2] Qin, Te-Fu[2]
- 机构:Forestry & Forest Prod Res Inst;Chinese Acad Forestry
- 来源:JOURNAL OF APPLIED POLYMER SCIENCE 2005
- 关键词:adhesives waste recycling
- Wood liquefaction with phenol by microwave heating and FTIR evaluation被引量:29收藏
- 作者:Li, Gaiyun[1] Hse, Chungyun[2] Qin, Tefu[1]
- 机构:Chinese Acad Forestry;USDA
- 来源:JOURNAL OF FORESTRY RESEARCH 2015
- 关键词:Wood liquefaction Phenol Microwave heating Oil bath heating Fourier transform infrared spectroscopy (FTIR)
- 马尾松木材褐腐降解的红外光谱研究被引量:27收藏
- 作者:李改云[1] 黄安民[1] 秦特夫[1] 黄洛华[1]
- 机构:中国林业科学研究院木材工业研究所
- 来源:《光谱学与光谱分析》 2010
- 关键词:马尾松 褐腐 综纤维素 Klason木质素 FTIR
- 摘要:用傅立叶变换红外光谱(FTIR)研究了马尾松木材被茯苓褐腐菌降解过程中化学成分的变化。测量了木质素和综纤维素的相关红外吸收峰的峰高比值,用湿化学方法测定了未褐腐和不同褐腐时间木材的Klason木质素含量和综纤维素含量,分...
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- 近红外光谱法测定毛竹综纤维素的含量研究被引量:26收藏
- 作者:江泽慧[1] 李改云[1] 王戈[2] 黄安民[1]
- 机构:中国林业科学研究院木材工业研究所;国际竹藤网络中心
- 来源:《林产化学与工业》 2007
- 关键词:毛竹 综纤维素 近红外光谱 偏最小二乘法
- 摘要:研究了用近红外光谱(NIR)结合多变量统计分析技术对毛竹综纤维素含量的快速测定。用常规实验室方法测定了54个竹材样品的综纤维素含量,用近红外光谱仪采集相应样品的光谱,对原始光谱进行二阶导数和25点平滑预处理后,从54个竹...
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- Effects of Lignin-Based Hollow Nanoparticle Structure on the Loading and Release Behavior of Doxorubicin被引量:26收藏
- 作者:Zhou, Yu[1,2] Han, Yanming[1] Li, Gaiyun[1] Chu, Fuxiang[1]
- 机构:Chinese Acad Forestry;Yancheng Inst Technol
- 来源:MATERIALS 2019
- 关键词:lignin nanoparticles vehicles structure doxorubicin
- 沉香的资源分布、识别与贸易现状被引量:23收藏
- 作者:董梦妤[1] 焦立超[1] 姜笑梅[1] 张淑娟[2] 李改云[1]
- 机构:中国林科院木材工业研究所;北京天怡利华沉香技术研究院
- 来源:《木材工业》 2016
- 关键词:沉香 化学分析 质量分级 木材解剖
- 摘要:通过对沉香树种的资源分布、木材特征、识别技术及市场现状进行分析,提出现阶段应在构建具有明确身份信息的沉香标准样品库的基础上,完善沉香化学指纹图谱数据库,建立标准化的沉香鉴定技术体系,以实现沉香的资源保护及可持续发展。
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- Synthesis and characterization of renewable woody nanoparticles fluorescently labeled by pyrene被引量:21收藏
- 作者:Xiong, Fuquan[1,2] Han, Yanming[1,2] Li, Gaiyun[2] Qin, Tefu[2] Wang, Siqun[2,3]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Univ Tennessee
- 来源:INDUSTRIAL CROPS AND PRODUCTS 2016
- 关键词:Enzymatic hydrolysis lignin 3-Aminopropyltriethoxysilane 1-Pyrenebutyric acid Fluorescence
- Chemical Groups and Structural Characterization of Brown-Rotted Pinus massoniana Lignin被引量:21收藏
- 作者:Sun, Qi-Ning[1] Qin, Te-Fu[1] Li, Gai-Yun[1]
- 机构:Chinese Acad Forestry
- 来源:INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2009
- 关键词:Brown-rot fungi Demethylation ESR 1H NMR Milled wood lignins (MWLs) Oxidation
- Quantitative Analysis of Biomass in Three Types of Wood-Plastic Composites by FTIR Spectroscopy被引量:21收藏
- 作者:Lao, Wanli[1] Li, Gaiyun[1] Zhou, Qun[2] Qin, Tefu[1]
- 机构:Chinese Acad Forestry;Tsinghua Univ
- 来源:BIORESOURCES 2014
- 关键词:Fourier transform infrared (FTIR) spectroscopy Wood-plastic composites (WPCs) Quantitative analysis Biomass Polypropylene (PP)
- Chemical Profiles of Cultivated Agarwood Induced by Different Techniques被引量:21收藏
- 作者:Yan, Tingting[1] Yang, Sheng[2] Chen, Yuan[2] Wang, Qian[2] Li, Gaiyun[2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry
- 来源:MOLECULES 2019
- 关键词:cultivated agarwood Aquilaria sinensis 2-(2-phenylethyl)-chromone sesquiterpenoid
- 木质素活化及在木材胶粘剂中的应用进展被引量:20收藏
- 作者:孙其宁[1] 秦特夫[1] 李改云[1]
- 机构:中国林业科学研究院木材工业研究所木材科学与技术重点实验室
- 来源:《高分子通报》 2008
- 关键词:木质素 活化 褐腐木质素 胶粘剂
- 摘要:木质素是相对分子量较高的天然聚合物,由于具有苯酚结构利于制备木材胶粘剂,但是木质素本身反应活性低,一般都将其活化后再利用。而且,除了以往利用最多的造纸工业产生的木质素外,研究发现木材经过褐腐菌降解后残留主要成分是结构部分...
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- Lignin-Based Hollow Nanoparticles for Controlled Drug Delivery: Grafting Preparation Using beta-Cyclodextrin/Enzymatic-Hydrolysis Lignin被引量:20收藏
- 作者:Zhou, Yu[1,2] Han, Yanming[1] Li, Gaiyun[1] Yang, Sheng[1] Chu, Fuxiang[1]
- 机构:Chinese Acad Forestry;Yancheng Inst Technol
- 来源:NANOMATERIALS 2019
- 关键词:lignin beta-cyclodextrin hollow nanoparticles hydroxycamptothecin sustained release
- 人工林木材的苯酚液化及树脂化研究 Ⅱ·液化木基酚醛树脂的制备和性能表征被引量:20收藏
- 作者:秦特夫[1] 罗蓓[1] 李改云[1]
- 机构:中国林业科学研究院木材工业研究所国家林业局木材科学与技术重点实验室
- 来源:《木材工业》 2006
- 关键词:液化产物 树脂化 物化性质 胶合强度 酚醛树脂
- 摘要:研究液化产物树脂化合成工艺,表征液化木基酚醛树脂的物化性质,评价树脂的胶合强度和木破率。结果表明,采用一次缩聚的投料方式能简化操作工艺,缩短合成时间。木材液化产物中残渣的过滤与否,对树脂性能有一定程度的影响:残渣含量高时...
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- An Efficient Method for Cellulose Nanofibrils Length Shearing via Environmentally Friendly Mixed Cellulase Pretreatment被引量:19收藏
- 作者:Chen, Yuan[1] He, Yuchan[1] Fan, Dongbin[1] Han, Yanming[1] Li, Gaiyun[1]
- 机构:Chinese Acad Forestry;Univ Tennessee
- 来源:JOURNAL OF NANOMATERIALS 2017
- 关键词:Cellulose - Cellulose nanocrystals - Fourier transform infrared spectroscopy - Grinding (machining) - Materials properties - Morphology - Nanocrystalline materials - Nanofibers - Natural fibers - Scanning electron microscopy - Shearing - Surface morphology - Textile fibers - X ray diffraction