A5060460119- Wood Treatment and Properties
- Lignin and Wood Chemistry
- Natural Fiber Reinforced Composites
- Bamboo properties and applications
- Advanced Cellulose Research Studies
- Phase Change Materials Research
- Tree Root and Stability Studies
- Wood and Agarwood Research
- Adsorption and Cooling Systems
- Flame retardant materials and properties
- Cellular and Composite Structures
- Solar Thermal and Photovoltaic Systems
- Cultural Heritage Materials Analysis
- Thermal properties of materials
- Fermentation and Sensory Analysis
- Recycling and utilization of industrial and municipal waste in materials production
- Multisensory perception and integration
- Market Dynamics and Volatility
- Hygrothermal properties of building materials
- Transportation Planning and Optimization
- Advanced machining processes and optimization
- Plant biochemistry and biosynthesis
- Biodiesel Production and Applications
- Energy Load and Power Forecasting
- Dyeing and Modifying Textile Fibers
Beijing Forestry University
2016-2025
Institute of Wood Science and Technology
2024
Beijing Technology and Business University
2022
Heat treatment of wood is an attractive, environmentally friendly modification, which can change surface visual properties including color and grain, but it unclear how heat-treated perceived evaluated compared with untreated wood. In this paper, Chinese fir was at 160, 180, 200, or 220 °C for 2 4 h. The changes grain contrast were measured. A subjective questionnaire eye-tracking technology used psychological evaluation. results showed that in the had a significant effect on...
To investigate the effects of steaming treatment on crystallinity and glass transition temperature, samples Eucalyptuses grandis × E. urophylla with moisture content 50%, 70%, 90% were steamed in saturated steam at 100 °C for 2, 4, 6, 8 h. The degree (CrI) temperature (Tg) measured via X-ray diffraction dynamic mechanical analysis, respectively. Results revealed a Eucalyptus 29.9%–34.2%, 80–94 contents 20%. Furthermore, was to have an obvious effect crystallization transition. Values CrI Tg...
Abstract The hygroexpansion and anisotropy of wood limit its application in construction products industry. Zinc chloride–silicone oil was use to decrease the hygroscopicity improve dimensional stability at 80 °C, 140 160 °C 180 °C. effects treatment on stability, chemical structure, thermal degradation, morphology were evaluated, mechanism determined. Results indicated that zinc improved decreased wood. tangential, radial, volumetric swelling coefficients treated by 9.7%, 33.5%, 18.2%,...
Abstract To improve the performance of bamboo and increase its utilization value, this study aimed at investigating effects impregnation pretreatment thermal treatment on structural changes bamboo. The samples were pretreated in sodium hydroxide or zinc chloride solution, then treated 160 °C. control characterized by X-ray diffraction (XRD), thermogravimetric analysis (TG), Fourier transform infrared spectroscopy (FTIR). results showed that cellulose crystallinity intensity ZnCl 2 could be...
In recent years, China is increasingly dependent on imported wood. Afrormosia and Newtonia are some of the species with good utilization potential. However, both them also have problems poor dimensional stability. order to make better use these two types wood, influence heat treatment under air palm oil conditions color, stability, hygroscopicity was investigated. The wood samples were heated in or medium for hours at 160 °C, 180 °C 200 respectively. Then, weight changes, swelling, moisture...
The effect of heat treatment media on odorous constituents hardwood. A ThermoGravimetric Analyzer coupled to Fourier Transform InfraRed spectrometry (TGA-FTIR) is used analyze chemical decomposition and explain Modulus Rupture (MOR) Elasticity (MOE) variations.
To optimize the drying process of bamboo bundles, this study investigates heat and mass transfer behavior during by using temperature sensors to measure field at different positions track overall moisture content over time. Additionally, a model is used simulate predict process. The analysis experimental results indicates that diameter bundles has greater impact on rate than temperature. At same temperature, time significantly decreases as increases. Under conditions 80 °C, average constant...
Abstract Acidic aluminum sulfate hydrolysis solutions can be used to catalyze the thermal degradation of wood in a mild temperature environment, and thus reduce required for heat treatment process. To improve dimensional stability Chinese fir during at 120 °C, 140 °C 160 this study investigated effects soaking pretreatment with 5%, 10% 15% on chemical structural changes heat-treated fir. The results indicated that samples treated concentration achieved best stability. Chemical analyses by...
Abstract Heat treatment is effective in reducing moisture absorption and improving the dimensional stability of wood. Low point metal alloy (LMPA) characterized by high thermal conductivity large surface tension can be used as a liquid heat medium for treatment. To investigate effects gaseous on hygroscopicity, stability, chemical structure heat-treated wood, LMPA moist air were heating during at 140 °C, 170 200 °C 2 h. The results indicated that effectively improved wood increasing actual...
Wood is a type of renewable and natural material, with most its end application related to building materials. However, hygroexpansion anisotropy in wood markedly shorten service life value. In this study, thermal modification was used improve quality, heat-mass transfer model established based on practical production process. The software COMSOL Multiphysics solve coupling model. Relationships between temperature moisture content, temperatures the medium under treatment, treatment time,...