最新刊期
      期 0 ， 2020
      • HU Yu-an1,ZHU Rong-xian1,ZHANG Ya-hui1,YU Wen-ji1,REN Ding-hua1
        Vol. 27, Issue 2, Pages: 5-7(2013) DOI: 10.19455/j.mcgy.2013.02.001
        摘要：The authors made composite using crushed bamboo mat（Phyflostachys bambusoides） to investigate how board density affected physical and mechanical properties and what density would produce optimum performance.The results showed that increasing board density from 0.8 g/cm3 to 1.20 g/cm3 had a positive influence on the average width swelling,modulus of rupture（MOR）,modulus of elasticity（MOE） and horizontal shear strength.However,the high overall board density exhibited negative impact on board thickness swelling.  
        关键词：Phyflostachys bambusoides;crushed bamboo-mat composites;density;mechanical properties;dimensional stability   
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      • Vol. 27, Issue 2, Pages: 57-58(2013) DOI: 10.19455/j.mcgy.2013.02.020
        摘要：<正>国家林业公益性行业科研专项重大项目——木地板坯料/基材质量控制关键技术研究与示范,于2013年2月在北京启动。该项目围绕木地板产业升级的技术需求,针对我国木地板在制造和使用中普遍存在的坯料/基材质量控制等关键技术问题,由中国林科院木材工业研究所牵头,联合中国林科院林业新技术研究所及  
          
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        Research & Development

      • LEI Hong,WU Zhi-gang,DU Guan-ben
        Vol. 27, Issue 2, Pages: 8-11(2013) DOI: 10.19455/j.mcgy.2013.02.002
        摘要：In order to improve the wet shear strength of soy protein based adhesive,the authors used two resins as a cross-linking agent to modify soy protein based adhesive.The modified soy protein-based adhesive was then used to make plywood samples.The results showed that when processed at 160 ℃,1.5 MPa,2 min/mm,and 380 g/m2 glue spread,the plywood wet shear strength met the National Standard GB/T 9846-2004 requirement for I-level plywood.The cross-linking agent also dramatically improved the bonding performance of the plywood samples in boiling water.  
        关键词：cross linking;soy protein-based adhesive;plywood;hot pressing;glue spread;wet shear strength   
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      • ZHAO Rui-long1,FENG Ming-zhi1,GAO Li2,ZHANG Shuang-bao1
        Vol. 27, Issue 2, Pages: 12-15(2013) DOI: 10.19455/j.mcgy.2013.02.004
        摘要：During common hot-pressing process for making laminated bamboo sliver lumber,slabs are input and taken usually at a relatively low temperature condition,which ensures the product quality,however extend the production period.To shorten the production cycle for laminated bamboo sliver lumber,the authors studied the hot-pressing method at a higher temperature condition for slabs inputting and taking.The results showed that under the given conditions,hot-pressing temperature had a significant influence on lumber modulus of elasticity,modulus of rupture,thickness swelling and horizontal shear strength;and the lumber density and hot-pressing time affected thickness swelling greatly.When density was 1.0 g/cm3,hot-pressing time was 1.5 min/mm and hot-pressing temperature was 145155 ℃,the properties of laminated bamboo sliver lumber met the requirements of LY/T 1072-2002 for laminated bamboo strips lumber and GB/T 20241-2006 for laminated veneer lumber.  
        关键词：laminated bamboo sliver lumber;hot-pressing process;mechanical properties   
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        发布时间：2021-02-08

        Discussion & Suggestion

      • XIE Xue-xia,ZHANG Xun-ya,JIAO Li-chao,JIANG Xiao-mei,YIN Ya-fang
        Vol. 27, Issue 2, Pages: 16-19(2013) DOI: 10.19455/j.mcgy.2013.02.006
        摘要：The research status of wood machining properties is summarized in this paper.The Chinese forestry industry standard LY/T 2054-2012 and American standard ASTM D1666-1987（Reapporoved 2004） for wood machining properties are compared for their standard scopes,general requirements,specimen dimensions,and evaluating methods.Furthermore,suggestions are provided for how to apply the properties of wood machining.  
        关键词：wood;machining properties;evaluating methods;standard   
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      • WANG Lei1,ZHOU Yong-dong2
        Vol. 27, Issue 2, Pages: 20-24(2013) DOI: 10.19455/j.mcgy.2013.02.007
        摘要：In this study,the authors analysed the current status of China’s sawmilling industry and compared it with those of some leading countries in Europe.Based on the comparison results,guidelines and hypotheses of improving China’s sawmilling industry are proposed.  
        关键词：sawmilling industry;strength;weakness;opportunity;threat;sustainability   
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      • XU Mei-qi
        Vol. 27, Issue 2, Pages: 25-28(2013) DOI: 10.19455/j.mcgy.2013.02.008
        摘要：The Chinese Furniture Industry is now facing an "over-productivity crises",which makes product supply greater than market demand.The basic solution for this crisis is to reduce productivity by eliminating obsolete productivity,raising production efficiency,adding more value to products,and reforming existing furniture retail mode.  
        关键词：China;Furniture industry;productivity;transformation   
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        发布时间：2021-02-08
      • ZHANG Zhi-hui,LIU Zhuo-qin,GUO Ren-hong,LIANG Jin-ling
        Vol. 27, Issue 2, Pages: 29-32(2013) DOI: 10.19455/j.mcgy.2013.02.009
        摘要：The authors summarized the United States Consumer Product Safety Commission（CPSC） safety requirements and market regulatory policies for furniture quality and other consumer goods in recent years,analyzed recall cases by the CPSC of wood products and furniture made in China,and also described the primary reasons for the recalls.With reference to the technical regulations and standards for furniture and wood products in America,the authors presented recommendations to improve product quality and to reduce technical non-trade risk for Chinese enterprises.  
        关键词：furniture;wooden products;recall;United States;China   
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        发布时间：2021-02-08
      • GU Hao-fei,LIU Min,ZHANG Ya-ling,YANG Zuo-jun
        Vol. 27, Issue 2, Pages: 33-37(2013) DOI: 10.19455/j.mcgy.2013.02.010
        摘要：Formaldehyde emission is one of the major environmental and health concerns for wood-based products.The current formaldehyde emission content standards in USA,Europe,Japan and China were presented.A mathematical regression method was used to develop correlation equations among the emission testing results according to standards in China,USA,Europe and Japan,respectively.The results will provide useful information to China’s wood products industry to control the quality of wood-based panel products.  
        关键词：formaldehyde emission content;chamber method;desiccator method;perforator method;gas analysis method   
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        发布时间：2021-02-08
      • WANG Xiao,GAO Rui-qing,LI Xiao-ling
        Vol. 27, Issue 2, Pages: 38-41(2013) DOI: 10.19455/j.mcgy.2013.02.011
        摘要：The authors summarized the current status of flexible vacuum wood drying technology research and its applications.They also analyzed the existing problems and provided suggestions to improve drying quality and drying rate of valuable wood,large-sized timber and abnormal-shaped wood and furniture parts.  
        关键词：wood drying;flexible;vacuum   
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        发布时间：2021-02-08

        Piactical Techniques

      • TIAN Ye,ZHANG Yang,CUI Ju-qing,JIA Chong,ZHOU Zhao-bing,WU Yu-fei
        Vol. 27, Issue 2, Pages: 42-45(2013) DOI: 10.19455/j.mcgy.2013.02.012
        摘要：In order to prevent bacteria spread on Chinese fir solid wood flooring samples,the authors impregnated the surfaces with melamine formaldehyde（MF） resin mixed with an antibacterial agent and dispersant through a vacuum process.The effects of impregnation time,MF resin solids content and vacuum level on the weight gain of samples were studied.The results showed that samples treated with 50% MF（by weight） solution under-0.095 MPa vacuum pressure for 2 h reached the antibacterial requirements for level 1 of the Chinese Industry Standard LY/T 1926-2010.  
        关键词：Chinese Fir;Solid wood flooring;antibacterial property;impregnation;vacuum;melamine formaldehyde resin（MF）;weight gain   
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        发布时间：2021-02-08
      • SUN Wei-sheng,WANG Yan-wei,XU Li,YANG Zhi-hui,ZHANG Qiu-juan,CHAO Jiu,WU Zhong-qi,LI Xian-chun
        Vol. 27, Issue 2, Pages: 46-49(2013) DOI: 10.19455/j.mcgy.2013.02.013
        摘要：In order to improve the efficiency of an ultra-violet（UV） coating used on Pometia wood flooring substrates,the authors investigated the effect of a UV curing lacquer paint film on adhesion,abrasion resistance,hardness,and flexibility of the coating.The results showed that as the coating weight increased,adhesion and flexibility decreased,but abrasion resistance increased.The optimum coating weight of the UV coating for Pometia wood flooring substrates was between 120 to 160 g/m2.  
        关键词：ultra-violet curing lacquer;coating weight;paint film;properties   
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        发布时间：2021-02-08
      • WANG Yan-li1,LEI Ya-fang1,ZHENG Lin-yi2
        Vol. 27, Issue 2, Pages: 50-52(2013) DOI: 10.19455/j.mcgy.2013.02.016
        摘要：The authors introduced the manufacturing technique for cork-rubber flooring and evaluated samples for their properties.The results showed that the sample’s moisture content,tensile strength,initial compression,and residual compression met the requirements of the Chinese industry standard LY/T 1657-2006.  
        关键词：cork;rubber;flooring;manufacturing process;performance   
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      • GE Zhe-dong,LI Ning,LUO Jian-ju
        Vol. 27, Issue 2, Pages: 53-56(2013) DOI: 10.19455/j.mcgy.2013.02.017
        摘要：Eucalyptus plantations are the major raw material resource for the medium density fiberboard（MDF） industry in Southern China.To explore the new application of Eucalyptus MDF,the authors used a newly developed organic fire retardant to treat the Eucalyptus fiber.They investigated the effect of fire retardant usage,resin content,and hot pressing time on the fire retardant and mechanical properties of the MDF.Results showed that the main mechanical properties of the MDF samples met the requirements of the national standard GB/T 11718-2009,MDF samples is the flame retardant material.  
        关键词：organic fire retardant;oxygen index;eucalyptus;medium density fibreboard（MDF）   
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