Recent research and development advances of wood science and technology in China: impacts of funding support from National Natural Science Foundation of China

Zhao, Guiling; Yu, Zhenliang

doi:10.1007/s00226-015-0757-1

Cited by 5 publications

(4 citation statements)

References 130 publications

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“…Traditional flame-retardant processing techniques involve soaking with flame retardants and applying organic fire-proof coatings or inorganic coatings to the wood surface. − Inorganic coatings such as TiO 2 , SiO 2 , ZnO, FeOOH, and Al(OH) 3 are nontoxic and not as easily run out as traditional organic retardants. They not only provide stiffness, hydrophobicity, UV resistance, and antimicrobial properties to wood − but also reduce its flammability and smoke production. − Saka et al, for example, reported that Al(OH) 3 - or SiO 2 -based polynary inorganic oxides are very successful in endowing wood materials with flame retardancy .…”

Section: Introductionmentioning

confidence: 99%

Efficient Flame-Retardant and Smoke-Suppression Properties of Mg–Al-Layered Double-Hydroxide Nanostructures on Wood Substrate

Guo

Liu

Zhang

et al. 2017

ACS Appl. Mater. Interfaces

177

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Improving the flame retardancy of wood is an imperative yet highly challenging step in the application of wood in densely populated spaces. In this study, Mg-Al-layered double-hydroxide (LDH) coating was successfully fabricated on a wood substrate to confer flame-retardant and smoke-suppression properties. The chemical compositions and bonding states characterized by energy-dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy confirmed the coating constituents of Mg-Al LDH. The coating evenly covered the sample wood surfaces and provided both mechanical enhancement and flame-retardancy effects. The limiting oxygen index of the Mg-Al LDH-coated wood increased to 39.1% from 18.9% in the untreated wood. CONE calorimetry testing revealed a 58% reduction in total smoke production and a 41% reduction in maximum smoke production ratio in the Mg-Al LDH-coated wood compared to the untreated wood; the peak heat release rate and total heat release were also reduced by 49% and 40%, respectively. The Mg-Al LDH coating is essentially hydrophilic, but simple surface modification by fluoroalkyl silane could make it superhydrophobic, with a water contact angle of 152° and a sliding angle of 8.6°. The results of this study altogether suggest that Mg-Al LDH coating is a feasible and highly effective approach to nanoconstructing wood materials with favorable flame-retardant and smoke-suppression properties.

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Section: Introductionmentioning

confidence: 99%

Efficient Flame-Retardant and Smoke-Suppression Properties of Mg–Al-Layered Double-Hydroxide Nanostructures on Wood Substrate

Guo

Liu

Zhang

et al. 2017

ACS Appl. Mater. Interfaces

177

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“…Wood is an oldest biomass material, which has been exploited and utilized by humans for thousands of years, because of its renewable characteristic, low weight‐to‐strength ratio, beautiful texture, high mechanical strength, and low thermal conductivity . Based on the 3D porous architecture consisting of cellulose, hemicellulose, and lignin of natural wood, many approaches on the modification and functionalization of wood have been presented to improve its quality and raise its added value . For example, Li and co‐workers proposed a new kind of wood‐based nanocomposites with satisfactory durability and high specific strength via a vacuum impregnation of organic–inorganic polymer into wood porous structure .…”

Section: Introductionmentioning

confidence: 99%

Magnetic Wood as an Effective Induction Heating Material: Magnetocaloric Effect and Thermal Insulation

Gan

Gao

Xiao

et al. 2017

Adv Materials Inter

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An effective induction heating material composed of wood and magnetic Fe3O4 particles is prepared via a simple hydrothermal method. Fe3O4 particles deposit on the porous wood substrate provides excellent magnetic properties and high magnetothermal conversion resulting in rapid increase in the temperature at the wood substrate. Benefiting from the effective magnetocaloric effect of magnetic particles, the temperature of magnetic wood exhibits a noticeable rise (from 25.9 to 70.1 °C in 10 min) at low‐frequency magnetic field. For simulating the real environment, the indoor temperature rise of magnetic wooden model also reveals the excellent heating performance of magnetic wood. Besides, the magnetic wood also serves as a thermal insulator to slow down the transport of thermal energy from the high temperature area to its surroundings due to its low thermal conductivity, which benefit the rational use of thermal energy in daily life. In view of highly scalable, simple operation, good durability, excellent magnetic properties, effective magnetocaloric effect, and thermal insulation, the novel magnetic wood composite demonstrated here is an attractive induction heating material for application in building, decoration, and massage furniture.

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“…At present, research of flame retardants for bamboo is mainly based on that of wood fire retardants. The application of phosphorus-nitrogen-boron synergistic flame retardants in the field of wood has matured into a relatively stable phase (Branca and di Blasi 2007;Chou et al 2010;Zhao and Yu 2016). This provides beneficial theoretical support for the study of bamboo flame retardants.…”

Section: Introductionmentioning

confidence: 97%

Flame Retardant Properties of Laminated Bamboo Lumber Treated with Monoammonium Phosphate (MAP) and Boric acid/Borax (SBX) Compounds

Jin¹,

Jiang²,

Wen³

et al. 2017

BioResources

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This study aimed to improve the flame-retardant properties of laminated bamboo lumber (LBL) using phosphorus-nitrogen-boron flame retardants (FRs). The combination of a 7:3 ratio of monoammonium phosphate (MAP) and boric acid/borax compounds (SBX), and 74.32 kg/m 3 of FRs (10.3% weight gain), exhibited enhanced fireproofing performance for LBL materials. A commercial flame retardant (guanylurea phosphate) (GUP) was systematically studied as a comparison. A cone calorimeter and a thermal analyzer were used to characterize the combustion behavior and thermal stability, respectively. The flame retardants morphology in bamboo cell cavities was investigated using scanning electron microscopy (SEM) and an energy dispersive X-ray analysis (EDXA). The results showed that at a heat flux of 50 kW/m 2 , the heat release rate and the total heat release of LBL samples treated with MAP-SBX flame retardants decreased more considerably than that of the untreated samples. The use of MAP-SBX not only promoted carbonization of LBL greatly but also indicated a good performance of smoke and combustion suppression as well as for the GUP. Flame retardants were confirmed to penetrate into the cell cavities of the bamboo using SEM and EDXA.

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Recent research and development advances of wood science and technology in China: impacts of funding support from National Natural Science Foundation of China

Cited by 5 publications

References 130 publications

Efficient Flame-Retardant and Smoke-Suppression Properties of Mg–Al-Layered Double-Hydroxide Nanostructures on Wood Substrate

Efficient Flame-Retardant and Smoke-Suppression Properties of Mg–Al-Layered Double-Hydroxide Nanostructures on Wood Substrate

Magnetic Wood as an Effective Induction Heating Material: Magnetocaloric Effect and Thermal Insulation

Flame Retardant Properties of Laminated Bamboo Lumber Treated with Monoammonium Phosphate (MAP) and Boric acid/Borax (SBX) Compounds

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