检索结果-南通市图书馆

No-formaldehyde wood-plastic composite Plywood in China

Chinese Forestry Science and Technology 2007年第1期6卷 9-13页

作者： CHANG Liang WANG Zheng GAO Li GUO Wenjing Research Institute of wood Industry Chinese Academy of ForestryBeijing 100091. P.R. China

As a new product invented by the Research Institute of wood Industry, no-formaldehyde wood-plastic composite plywood is the harvest of the cross-study on wood-plastic composite and plywood industry, It has no formaldehyde emission, with an excellent environment-friendly performance and a good bonding quafity. This paper analyses the strongpoints and market of this wood-plastic composite plywood.

关键词： no-formaldehyde plywood wood-plastic composite review environmental protection bonding quality product strongpoint

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Nanolignin,a Coupling Bio-Agent for wood-plastic composites

引用

Journal of Renewable Materials 2023年第5期11卷 2075-2083页

作者： Hamed Younesi-Kordkheili Antonio Pizzi Department of wood and Paper Sciences Faculty of Natural ResourcesSemnan UniversitySemnanIran LERMAB University of LorraineEpinalFrance

The influence of nanolignin coupling bio-agent on some characteristics of polypropylene-wood flour composites was ***,nanolignin was prepared by the acidic method,and then different ratios of it(0,1,3 and 5 wt%)were added to a polypropylene-wood flour *** mechanically mixing wood flour,nanolignin,and polypropylene,the mixture was injection *** methods were used to measure the structural properties of nanolignin,and prepared composites’water absorption,thickness swelling,bending modulus,and bending,tensile and impact *** the original lignin to nanolignin did not change the chemical bonds of the *** addition of nanolignin yielded improved mechanical and physical properties of the composites *** strength and dimensional stability are presented by nanolignin-containing composites when comparing them with those prepared with normal *** was shown by SEM(Scanning Electron Microscope)observation to be uniformly dispersed within the polymer *** polymer composites(WPCs)with nanolignin exhibited comparable properties with the control samples prepared using maleic anhydride polypropylene(MAPP).

关键词： Coupling agent wood-plastic composite lignin nanoparticle

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chemical characterization of smoke from the production process of wood-plastic composites

引用

Forestry Studies in China 2007年第1期9卷 57-62页

作者： Wang Shi-fa Zhang Ai-jun College of Chemical Engineering Nanjing Forestry University Nanjing 210037 P. R. China Department of Entomology Virginia Polytechnic Institute and State University Blacksburg VA 24061 USA Chemicals Affecting Insect Behavior Laboratory Beltsville Agriculture Research Center-West USDA Agriculture Research Services Beltsville MD 20705 USA

The chemical composition of unpleasant smell, emitted from the production process of wood-plastic composites using Manchurian ash sawdust （Fraxinus mandschurica Rupr.） and polypropylene powder as the raw material, was investigated. wood sawdust and polypropylene powder were subjected to heat treatment to 290℃ during 8 min （the conditions were similar to those employed on an industrial scale）. The emitted compounds were collected and analyzed by gas chromatography-mass spectrometry （GC-MS）. The analytical results showed that the unpleasant smell was emitted from the pyrogenation of wood sawdust rather than from the polypropylene powder. Nine types of compounds （hydrocarbons, ethers, phenols, aldehydes, ketones, alcohols, acids and their derivatives, furan and its derivatives, and nitrogen-containing compounds） were collected in the gas phase during heating. Among those 126 components detected by GC-MS, 112 compounds were identified.

关键词： wood-plastic composite unpleasant smell pyrogenation Manchurian ash sawdust polypropylene powder

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Mechanical Properties of a wood Flour-PET composite Through Computational Homogenisation

引用

Computers, Materials & Continua 2021年第6期67卷 4061-4079页

作者： P.Pesante K.Saavedra G.Pincheira M.Sc.in Mechanical Engineering Faculty of EngineeringUniversidad de Talca CampusCuricóChile Department of Industrial Technologies Faculty of EngineeringUniversidad de Talca CampusCuricóChile

This work proposes to study the effective elastic properties(EEP)of a wood-plastic composite(WPC)made from polyethylene terephthalate(PET)and Chilean Radiate pine’s wood our,using nite element simulations of a representative volume element(RVE)with periodic boundary *** are validated through a static 3-point bending test,with specimens obtained by extruding and *** effect of different weight fractions,space orientations and sizes of particles are here *** predictions are empirically conrmed in the sense that composites with more wood our content and bigger size,have higher elastic ***,these results are very sensitive to the orientation of *** and Reuss mean-eld homogenisation approaches are also given as upper and lower *** tests evidence that exural strengths and ultimate tensile elongations decrease respect to 100%PET,but these properties can be enhanced considering particle-size distributions instead of a xed size of wood our.

关键词： wood-plastic composite periodic homogenisation mechanical properties experimental validation

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Property changes of wood-fiber/HDPE composites colored by iron oxide pigments after accelerated UV weathering

引用

Journal of Forestry Research 2010年第1期21卷 59-62,I0002,I0003页

作者：张征明杜华王伟宏王清文东北林业大学材料学院生物材料科学与工程教育部重点实验室哈尔滨150040

Four kinds of iron oxide pigments were added into wood-fiber/high-density-polyethylene composites （WF/HDPE） at three different concentrations, to determine the effects of pigments on the changes in the color and mechanical properties of the composites before and after UV accelerated weathering. HDPE, wood fibers, pigments and other processing additives were dry-mixed in a high-speed mixer. The mixtures were extruded by two-step extrusion process with a self-designed twin-screw/single-screw extruder system. Color of the samples was determined according to CIE 1976 L^＊a^＊b^＊ system by a spec- trophotometer and the bending properties were tested to evaluate the mechanical properties before and after accelerated UV weathering. The result shows that the modulus of elasticity of WF/HDPE did not obvi- ously changed after incorporating with the pigments, but the bending strength increased. After accelerated aging for 2000 h, both color and mechanical properties significantly changed. Iron oxide red and black performed better than the other two pigments, and the pigments dosage of 2.28% in the composites is favourable.

关键词： wood-plastic composite pigments weathering color flexural property

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：