Showing papers in "China Wood Industry in 2006"
Journal Article•
TL;DR: In this article, the harmful effects of formaldehyde to the human body, and the origins of the formaldehyde from wood-based panels are analyzed, and a systematic solution for formaldehyde reduction, that was developed by the authors, was presented, and three different companies verified it was an effective way to reduce formaldehyde.
Abstract: This article first reviewed the harmful effects of formaldehyde to the human body,and analyzed the origins of formaldehyde from wood-based panels.Then,the conventional ways that have been used to decrease the emission of formaldehyde from wood-based panels are summarized.Finally,a systematic solution for formaldehyde reduction,that was developed by the authors,was presented.The application of this system by three different companies verified it was an effective way to reduce formaldehyde.The panels from these companies meet the demands for level E_1 or E_2 with regard to formaldehyde emission.
5 citations
Journal Article•
TL;DR: Wang et al. as discussed by the authors predicted that the wood-based panel industry in China will develop rapidly in the coming five years and that the rate increase for the industry will be 3%~5% higher than that of the increase for national GDP.
Abstract: There is no doubt that the wood-based panel industry in China will develop rapidly in the coming five years.It is predicted that the rate increase for the industry will be 3%~5% higher than that of the increase for the national GDP.Even more important facts are: panel types structure will be optimized,product quality will be improved significantly,scale of production lines will be more economical resulting in faster upgrades within the industry,more well-known brands brought into the market and improvement in profitability for the panel producers.
5 citations
Journal Article•
TL;DR: In this article, the current status and future potential of the forest products industry in China are described for three areas of trade: supply and demand, technical orientation and policy direction; and a summary of the importance of Chinese forest products in the import-export trade of the world's forest products.
Abstract: China's national statistics authority reported that China's GDP growth rate in 2005 is expected to reach as high as 9.8%. Such rapid economic and social development provides huge development platforms and opportunities for market supply and demand as well as trade and investment in the forest products sector.The current status and future potential of the forest products industry in China are described for three areas of trade: supply and demand,technical orientation and policy direction;and finally,a summary of the importance of Chinese forest products in the import-export trade of the world's forest products.
4 citations
Journal Article•
TL;DR: In this article, the authors reviewed the development of domestic wood structure research in developed countries and presented six aspects based on the research contents, and summarized the development and trends for wood structural research.
Abstract: The authors reviewed the development of domestic wood structure research.Research in developed countries is presented in six aspects based on the research contents.Finally,the development and trends for wood structure research are summarized.
4 citations
Journal Article•
TL;DR: In this paper, the development of modern wood frame houses in China is analyzed and the future development path for this new style of housing is predicted, on the base of which the authors make a detailed analysis of the factors affecting the development.
Abstract: The paper looks at the development of modern wood frame housing in China.It makes a detailed analysis the factors affecting the development of modern wood frame houses and,on the base,predicts the future development path for this new style of housing in China.
4 citations
Journal Article•
TL;DR: In this article, a hand-held method for thin wood slicing was proposed to improve the efficiency and quality of making thin slices using tools from tool making, material treating and operation methods.
Abstract: Preparing wood slices is a vital process in identifying wood species though micro-thin slicing To improve the efficiency and quality of making thin slices, the author found a new hand-held method for slicing This article describes the method from tool making, material treating and operation methods Compared with the routine slicing method, it was found that this new method was more suitable for rare and high-grade wood, or for the cases that have strict requirements for time and efficiency
4 citations
Journal Article•
TL;DR: In this article, a review of research on Chinese fir with respect to physical and mechanical properties is presented, and detailed analyses are emphasized for modification of wood properties and making wood-based composite materials.
Abstract: This paper reviews research on Chinese Fir with respect to physical and mechanical properties Detailed analyses are emphasized for modification of wood properties and making wood-based composite materials Four proposals are proposed for Chinese Fir machining and utilization
3 citations
Journal Article•
TL;DR: An intelligent MC measuring system for lumber was designed by the authors and presented, and a test showed that the mean errors of the measured results was less than 2% below fiber saturation point and even lower tian 1% around the final MC.
Abstract: An intelligent MC measuring system for lumber was designed by the authors and presented in this article.The hardware circuit and software flow chart of this system are described in detail.A dynamic compensation method is applied to eliminate zero drift and temperature drift errors.A test showed that the mean errors of the measured results from this new system was less than 4% above fiber saturation point,and less than 2% below fiber saturation point,and even lower tian 1% around the final MC(14%～9%).These results demonstrated the precision and reliability of the system to be effectively improved.
2 citations
Journal Article•
TL;DR: In this paper, the authors analyzed the relationship between drying rate and time in microwave drying and studied the effects between continuous and intermittent microwave drying with respect to drying rate, microwave utilization efficiency, and drying time.
Abstract: The authors analyzed the relationship between drying rate and time in microwave dryingThey also studied the effects between continuous and intermittent microwave drying with respect to drying rate and microwave utilization efficiencyThe results showed that:1) the microwave drying process of wood was divided into three stages:accelerating,constant-speed and decelerating;2) during the microwave drying process,the average drying rate and specific moisture evaporation rate were higher when the wood moisture content was above the fiber saturation point than when below it;3) using the proper radiation frequency to obtain the optimum microwave energy utilization efficiency,such as one minute on and two minutes off
2 citations
Journal Article•
TL;DR: In this article, a computer color matching technique for wood dyeing has been developed by using the DC color matching and color information management systems produced by the Datacolor Company in Switzerland.
Abstract: A computer color matching technique for wood dyeing has been developed by using the DC color matching and color information management systems produced by the Datacolor Company in Switzerland.The process includes measuring the color of wood samples,determining dyeset,preparing and measuring basic color samples,establishing a basic data pool,and calculating and correcting recipes.It provides quick calculation,high accuracy and is able to calculate the most economical dyeing scheme while ensuring the accuracy of the color match.
2 citations
Journal Article•
TL;DR: The processing technology for a new kind of super low-density board, called Micron Flake/Fiber Light Density Board, was introduced in this article, and the results of mechanical property tests for a laboratory produced board were:1825 MPa in MOE,12.31MPa in MOR,810 N in nail holding power with a density from 0.33 to 0.40 g/cm~3.
Abstract: The processing technology for a new kind of super low-density board,called Micron Flake/Fiber Light Density Board,was introduced in this paper.Results of mechanical property tests for a laboratory produced board were:1825 MPa in MOE,12.31MPa in MOR,810N in nail-holding power with a density from 0.33 to 0.40 g/cm~3.This new board could have a bright future for many applications.
Journal Article•
TL;DR: In this article, the authors conducted an experiment to investigate factors that could influence the tensile strength of scarf-jointed poplar veneer, and made several kinds of scarfjoints differing in scarf length and angle.
Abstract: The authors conducted an experiment to investigate factors that could influence the tensile strength of scarf-jointed poplar veneer.They made several kinds of scarf-joints differing in scarf length and angle.The behavior of those scarf-jointed veneers under a load was observed.The relation between veneer tensile strength and scarf length and angle,were then analyzed.
Journal Article•
TL;DR: In this article, the authors reviewed the history and current condition of Poplar cultivation and utilization in Jiangsu Province and suggested that the Poplar industry should stimulate the development of future markets, management of raw materials, R D for production, and promote innovation on technology and business management.
Abstract: Southern type Poplar is one of the dominant forest plantation species in Jiangsu Province,and the Poplar industry has made Jiangsu become one of the biggest producers of wood based panels in China.This paper reviewed the history and current condition of Poplar cultivation and utilization in Jiangsu Province.To build a sustainable industry,the authors suggested that the Poplar industry should stimulate the development of future markets, management of raw materials,R D for production,and promote innovation on technology and business management.They also suggested that the construction of small towns in the northern area of Jiangsu Province should focus on Poplar cultivating and utilization to speed up the development of this new rural area.
Journal Article•
TL;DR: In this article, the progress of the bamboo-based panel industry in China from its beginning, development and present stages is reviewed, and the problems and prospects for the future development of the industry are analyzed.
Abstract: The author reviewed the progress of the bamboo-based panel industry in China from its beginning,development and present stages.However,in the author's opinion,the bamboo-based panel industry in China is still a new and developing industry.He also analyzed the problems and prospects for the future development of the industry in China.
Journal Article•
TL;DR: In this article, the evaluation of properties for wood-plastic composite (WPC) as packing material became more important in the field of foreign trade and the results indicated that WPC were becoming accepted in the package industry as a replacement for untreated solid wood packing material
Abstract: When Green Trade Barriers were implemented in more and more countries,the evaluation of properties for wood-plastic composite(WPC) as packing material became more important in the field of foreign tradeMethod factors,parameters and property values showed gains according to SPSS from appropriate test data,which could promote the application of WPC material The results indicated that WPC were becoming accepted in the package industry as a replacement for untreated solid wood packing material
Journal Article•
TL;DR: In this article, the authors suggest that the Chinese wood industry should follow the sustainable development principle, enhance innovative R D, learn experiences from the advanced countries, improve industry structure and economic development mode, take the new industrialization road.
Abstract: After reviewing the trends of the wood industry and R D work in the advanced countries, the author suggests that in response to the economic globalization, the Chinese wood industry should follow the sustainable development principle, enhance innovative R D, learn experiences from the advanced countries, improve industry structure and economic development mode, take the new industrialization road.
Journal Article•
TL;DR: In this paper, the authors briefly outline the concept, theoretical structure and industrial trend of intelligent furniture, and summarize the general situation of the intelligent furniture in foreign countries, and raise questions in designing our native intelligent furniture.
Abstract: This paper briefly outlines the concept, the theoretical structure and the industrial trend of intelligent furniture. It also summarizes the general situation of intelligent furniture in foreign countries. Moreover, it raises questions in designing our native intelligent furniture, developing measures, and proposes prospects for development of intelligent furniture in China.
Journal Article•
TL;DR: In this paper, the measurement of chip moisture content based on capacitance was investigated and the results from the experiments showed that with given conditions there would be some functional relations between the MC of the chips and the value of their capacitance that were exponential when 5% ≤ MC25% and were linear when 25%≤MC150%.
Abstract: The measurement of chip moisture content(MC),based on capacitance,was researched.The results from the experiments showed that with given conditions there would be some functional relations between the MC of the chips and the value of their capacitance that were exponential when 5%≤MC25% and were linear when 25%≤MC150%.At these conditions the chip MC could be measured through its capacitance.Models also included chip length,width,and thickness as these had some effect on coefficients that were included as correction factors.
Journal Article•
TL;DR: This paper introduces the development of a timber management and marketing system for wood producers and distributors that emphasizes system design, functional analysis and database creation.
Abstract: This paper introduces the development of a timber management and marketing system for wood producers and distributors.It emphasizes system design,functional analysis and database creation.The system is completed with data input,query,statistics,analysis,report printing and accounting.With the help of the system,various data related to timber sale and distribution can be managed scientifically and effectively.
Journal Article•
TL;DR: In this paper, the authors reviewed the worldwide capacity, production and consumption of OSB, as well as international trade for last ten years, and discussed the trend of the OSB market in the coming five years, including the potential opportunity in Chinese market.
Abstract: Oriented Strand Board (OSB) is one kind of engineered wood-based panels, which gained popularity for various applications in the last 25 years. The manufacture and application of OSB products are described in this article. The worldwide capacity, production and consumption, as well as international trade for last ten years were reviewed. The trend of OSB market in the coming five years were also discussed, including the potential opportunity in Chinese market.
Journal Article•
TL;DR: In this article, the effect of mat moisture content on the surface and central layer temperature was investigated, and it was shown that when the mat's moisture content was increased, the temperature in the central layer had a corresponding increase in the rate of rise, and the vaporizing stage was extended.
Abstract: The effect of mat moisture content on the surface and central layer temperature was investigated.Results showed when the mat moisture content was increased,the temperature in the central layer had a corresponding increase in the rate of rise,and the vaporizing stage was extended.However,the moisture content of the mat had little influence on the surface layer temperature.
Journal Article•
TL;DR: In this article, the current economic conditions for the MDF and HDF industries in China are summarized and an analysis was made of MDF/HDF manufacturers in Guangdong Province and of a large number of references.
Abstract: In this paper,current economic conditions for the MDF and HDF industries in China are summarized.An analysis was made of MDF/HDF manufacturers in Guangdong Province and of a large number of references.Further development trends are predicted for the industry as well.
Journal Article•
TL;DR: In this article, the progress in research on reasons for,and prevention methods of,light-induced discoloration for paint coated wood was summarized, with some subjects on paints for further study, aimed at improving the decoration and serviceability of wood-based materials.
Abstract: This article summarized the progress in research on reasons for,and prevention methods of,light-induced discoloration for paint coated wood.It concluded with some subjects on paints for further study,aimed at improving the decoration and serviceability of wood-based materials.
Journal Article•
TL;DR: Wang et al. as mentioned in this paper reviewed research and application of practical wood drying technologies in China during the last two decades, covering pre-drying treatments,drying techniques and equipment and energy conservation.
Abstract: This paper reviews research and application of practical wood drying technologies in China during the last two decadesIt covers pre-drying treatments,drying techniques and equipment and energy conservationSuggestions and remarks for further development and application of advanced wood drying technology in China are presented
Journal Article•
TL;DR: In this paper, the relationship between pyrolysis temperature, the size of bamboo charcoal particle, absorption temperature and the surface area were studied, and the results showed that two kind of bamboo charcoals with pyroxys temperature between 700 and 1000 ℃ had the best absorbing ability.
Abstract: The equilibrium absorption content was measured in different conditions by static method.The relations between the pyrolysis temperature,the size of bamboo charcoal particle,absorption temperature and the surface area were studied.The results showed that two kind of bamboo charcoal whose pyrolysis temperature were 700 ℃ and 1000 ℃ had the best absorbing ability.The size of bamboo charcoal particle had little influence on absorption.The ability of absorption could be decreased as the environmental temperature increased.The phenomena of moisture absorption hysteresis were found during moisture desorption and absorption.
Journal Article•
TL;DR: In this article, the authors reviewed the development and present situation of the wheat/rice straw particleboard industry in China and analyzed the primary problems involving equipment and technologies used in this industry.
Abstract: The authors reviewed the development and present situation of the wheat/rice straw particleboard industry in China and analyzed the primary problems involving equipment and technologies used in this industry.They also made suggestions for making further developments in the straw board industry in China.
Journal Article•
TL;DR: In this paper, the authors made improvements on the manufacturing technology for coal-ash cement particleboard and conducted a series experiments to evaluate the most dominate factors and their levels, to ensure the best properties from coal-ASH concrete particleboard, through analysis of the results,optimum parameters for the proportion of coalash substituted for cement, additive usage, board density, ratio of water and coalash to cement, were determined.
Abstract: The authors made research improvements on the manufacturing technology for coal-ash cement particleboard.Using ordinary cement(#32.5),they conducted a series experiments to evaluate the most dominate factors and their levels,to ensure the best properties from coal-ash cement particleboard.Through analysis of the results,optimum parameters for the proportion of coal-ash substituted for cement,additive usage,board density,ratio of water and coal-ash to cement,were determined.
Journal Article•
TL;DR: The main agent in Corn Starch adhesive was made with the aid of a reaction between corn starch and dibasic acid to form a liquid corn starch suspension and then stabilized by adding a soluble high molecular weight polymer as discussed by the authors.
Abstract: The main agent in Corn Starch adhesive was made with the aid of a reaction between corn starch and dibasic acid to form a liquid corn starch suspension and then stabilized by adding a soluble high molecular weight polymer.A corn starch emulsion was mixed with a corn starch-CaCO_3-VAE emulsion under certain conditions to yield the main component A of API.
Journal Article•
TL;DR: Wang et al. as mentioned in this paper reviewed the current status on research and development of wood preservation technology, Light Organic Solvent Preservatives(LOSP) system, new wood preservatives as well as the application of treating process.
Abstract: Current Status on research and development of wood preservation technology,Light Organic Solvent Preservatives(LOSP) system,new wood preservatives as well as the application of treating process are reviewed in this paperSome suggestions on the development of this industry in China are proposed for its further development
Journal Article•
TL;DR: In this paper, the progress and current condition of the blockboard industry in China are reviewed and an analysis of the reasons that resulted in its rapid development, increased application as well as the great differences in quality of blockboard produced in China.
Abstract: This article reviewed the progress and current condition of the blockboard industry in China.The focus was an analysis of the reasons that resulted in its rapid development,increased application as well as the great differences in quality of blockboard produced in China.It also summarized the progress on research,technology and equipment for blockboard production,and made suggestions for its continued development.