Sol-gel preparation of protective and decorative coatings on wood

Tsvetkova, I. N.; Krasil’nikova, L. N.; Khoroshavina, Yu. V.; Galushko, Alexander; Yu, V. Frantsuzova; Кычкин, А. К.; Шилова, О. А.

doi:10.1007/s10971-019-04996-3

Cited by 20 publications

(6 citation statements)

References 12 publications

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“…Tsvetkova et al [ 90 ] developed a “sol–gel@paint” composition based on wax and silicone. The laboratory tests were performed on the pine wood coated with developed coatings.…”

Section: Improvement Of Hydrophobicity Of the Wood Surfacementioning

confidence: 99%

Research Progress on the Improvement of Flame Retardancy, Hydrophobicity, and Antibacterial Properties of Wood Surfaces

et al. 2023

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Wood-based materials are multifunctional green and environmentally friendly natural construction materials, and are widely used in decorative building materials. For this reason, a lot of research has been carried out to develop new and innovative wood surface improvements and make wood more appealing through features such as fire-retardancy, hydrophobicity, and antibacterial properties. To improve the performance of wood, more and more attention is being paid to the functioning of the surface. Understanding and mastering technology to improve the surface functionality of wood opens up new possibilities for developing multifunctional and high-performance materials. Examples of these techniques are ion crosslinking modification and coating modification. Researchers have been trying to make wooden surfaces more practical for the past century. This study has gradually gained popularity in the field of wood material science over the last 10 years. This paper provides an experimental reference for research on wood surface functionalization and summarizes the most current advancements in hydrophobic, antibacterial, and flame-retardant research on wood surfaces.

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“…Tsvetkova et al [ 90 ] developed a “sol–gel@paint” composition based on wax and silicone. The laboratory tests were performed on the pine wood coated with developed coatings.…”

Section: Improvement Of Hydrophobicity Of the Wood Surfacementioning

confidence: 99%

Research Progress on the Improvement of Flame Retardancy, Hydrophobicity, and Antibacterial Properties of Wood Surfaces

et al. 2023

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“…To achieve SHWSs, deposition as an individual method is not enough to realize surface superhydrophobicity, and it is necessary to combine it with other techniques (i.e., spray-coating [61], immersion [166], self-assembly [8], reduction [173], dip-coating [95], magnetron sputtering [103] and chemical modification of low-surface-energy materials [171]). However, some of the deposition methods need special or expensive equipment (i.e., CVD and PECVD), which is not beneficial to the extensive and scaled-up Tsvetkova et al obtained SHWSs by coating wood substrates that were pre-coated by a primer (i.e., silica sol with boric acid or commercial reagent ethyl silicate-40) with a sol-gel@paint composition consisting of siloxane modifiers, tetraethoxysilane (TEOS) and aerosil R-972 (Figure 7a) [108]. Wang et al successfully achieved SHWSs by depositing a film of silica nanoparticles on a wood substrate by using silica sol via a sol-gel process, followed by chemical modification with hydrophobic hexadecyltrimethoxysilane (HDTMS) and a drying process (Figure 7b) [109].…”

Section: Sol-gel Processmentioning

confidence: 99%

Superhydrophobic Wood Surfaces: Recent Developments and Future Perspectives

Gao

Wang

2023

Coatings

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Wood is a renewable material that has been widely utilized as indoor and outdoor construction and decoration material in our daily life. Although wood has many advantages (i.e., light weight, high strength, low price and easy machinability), it has some drawbacks that influence dimensional stability, cracking and decay resistance in real practical applications. To mitigate these issues, superhydrophobic surfaces have been introduced to wood substrates, creating superhydrophobic wood surfaces (SHWSs) that can improve stability, water resistance, ultraviolet radiation resistance and flame retardancy. Herein, the recent developments and future perspectives of SHWSs are reviewed. Firstly, the preparation methods of SHWSs are summarized and discussed in terms of immersion, spray-coating, hydrothermal synthesis, dip-coating, deposition, sol-gel process and other methods, respectively. Due to the characteristics of the above preparation methods and the special properties of wood substrates, multiple methods are suggested to be combined to prepare SHWSs rather than each individual method. Secondly, the versatile practical applications of SHWSs are introduced, including anti-fungi/anti-bacteria, oil/water separation, fire-resistance, anti-ultraviolet irradiation, electromagnetic interference shielding, photocatalytic performance, and anti-icing. When discussing these practical applications, the advantages of SHWSs and the reason why SHWSs can be used in such applications are also mentioned. Finally, we provide with perspectives and outlooks for the future developments and applications of SHWSs, expecting to extend the utilization of SHWSs in our daily life and industry.

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“…The appearance of the Si O C absorption peak near 1160 cm À1 , which indicates the increase in the bond between silica and wood. In addition, in the infrared spectrum of mineralized wood, the characteristic peak of 848 cm À1 representing Si CH 3 does not appear, which means that silica is not directly involved in the bond formation with the wood cell wall but reacts with hydroxyl groups on the wood surface to form Si O C. [13][14][15][16] The organic-inorganic hybrid structure is shown in Figure 4.…”

Section: Chemical Structure Analysismentioning

confidence: 99%

Study on properties of gelatin–silica mineralized wood composite

Wang

et al. 2022

Polymer Composites

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Wood is a natural organic composite material that has abundant sources, is renewable, and exhibits an organized structure. However, the fast-growing poplar tree is loose in texture and has poor physical, mechanical, and flame retardant properties. Inspired by the biomineralization mediated by the natural organic matrix, a biocompatible and mineral-inducible gelatin solution is impregnated into the wood. Subsequently, the sol-gel method is used for the in-situ mineralization of silica in wood pores and cell cavities using silica to prepare mineralized wood composite materials with excellent mechanical and flame retardancy properties. Fourier transform spectroscopy shows that wood and silica form an organic-inorganic hybrid structure, and scanning electron microscopy shows that gelatin coordinates with silica to form a dense microstructure. Compared with untreated wood, the compressive strength parallel to the grain, bending strength, and elasticity modulus of the mineralized wood were higher by 59.3%, 52.2%, and 46.2%, respectively. The peak heat release rate associated with cone calorimetry decreased by 45.8%. This effective and environment-friendly method can improve the properties of wood. Furthermore, the preparation process is simple, green, and environment-friendly, providing an alternative approach to wood modification research.

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Sol-gel preparation of protective and decorative coatings on wood

Cited by 20 publications

References 12 publications

Research Progress on the Improvement of Flame Retardancy, Hydrophobicity, and Antibacterial Properties of Wood Surfaces

Research Progress on the Improvement of Flame Retardancy, Hydrophobicity, and Antibacterial Properties of Wood Surfaces

Superhydrophobic Wood Surfaces: Recent Developments and Future Perspectives

Study on properties of gelatin–silica mineralized wood composite

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