High hydrophobic preservation materials can cause damage to tabia relics

Zhang, Cuisong; Zhang, Bingjian; Cui, Biao

doi:10.1016/j.porgcoat.2020.105683

Cited by 11 publications

(5 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…20,21 It is well-known that the wettability of the powder surfaces mainly depends on both the surface chemistry and roughness, which provides a promising approach to improve the weatherability and environmental stability of materials. Hexadecyltrimethoxysilane (HDTMS), a kind of ecofriendly nonfluorinated hydrophobic agent, was often used to enhance the hydrophobicity of cotton fabric, 22 wood, 23 and tabia relics 24 based on the reaction between HDTMS and −OH groups on the substrate surface. Meanwhile, tetraethoxysilane (TEOS) must be introduced to increase the roughness of the substrate surface to enhance the superhydrophobicity combined with the modification with HDTMS.…”

Section: Introductionmentioning

confidence: 99%

“…Inspired by the lotus effect, the development of artificial superhydrophobic surfaces increasingly attracted much research interest in practical applications and fundamental research, such as extreme water resistance of fabrics and papers, anti-icing/deicing, and rewritable coatings, and protection of electrical components, especially corrosion protection. , It is well-known that the wettability of the powder surfaces mainly depends on both the surface chemistry and roughness, which provides a promising approach to improve the weatherability and environmental stability of materials. Hexadecyltrimethoxysilane (HDTMS), a kind of ecofriendly nonfluorinated hydrophobic agent, was often used to enhance the hydrophobicity of cotton fabric, wood, and tabia relics based on the reaction between HDTMS and −OH groups on the substrate surface. Meanwhile, tetraethoxysilane (TEOS) must be introduced to increase the roughness of the substrate surface to enhance the superhydrophobicity combined with the modification with HDTMS. − In our early reports, − different clay minerals were employed to fabricate low-cost and high-performance BiVO 4 hybrid pigments (clay minerals/BiVO 4 –HP), in which clay minerals acted as the carriers for controlling the size and size distribution of BiVO 4 nanoparticles, and the natural dopants for adjusting of the color properties and thermal stability of the BiVO 4 pigments.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Reversible Thermochromic Superhydrophobic BiVO₄ Hybrid Pigments Coatings with Self-Cleaning Performance and Environmental Stability Based on Kaolinite

Wang

Jiang

et al. 2021

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

The inferior acid resistance and high cost of BiVO4 pigments seriously hinder their wide applications in some fields. Inspired by the superhydrophobic properties of some plants and insects in nature, the reversible thermochromic superhydrophobic coatings with self-cleaning performance and environmental stability were successfully designed by combining with the surface roughness of kaolinite/BiVO4 hybrid pigments (Kaol/BiVO4–HP) and the modification with hexadecyltrimethoxysilane (HDTMS). When the concentration of HDTMS was 4.58 mmol/L, the yellow superhydrophobic coatings exhibited excellent self-cleaning properties and chemical and environmental stability. Furthermore, the superhydrophobic Kaol/BiVO4–HP coatings exhibited the reversible thermochromic behavior with the change of the external temperatures from room temperature to 270 °C. Interestingly, this facile strategy also can be used to fabricate a series of superhydrophobic clay mineral/BiVO4–HP coatings based on the different clay minerals, and there was no relationship between the superhydrophobic properties of the coatings and the morphologies of clay minerals, which was different from the reported color superhydrophobic coatings prepared with Maya-like blue pigments. Thus, the low-cost and thermochromic superhydrophobic clay mineral/BiVO4–HP coatings presented a promising application in temperature sensors and switches with the excellent weather resistance to record and monitor the temperature changes.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Reversible Thermochromic Superhydrophobic BiVO₄ Hybrid Pigments Coatings with Self-Cleaning Performance and Environmental Stability Based on Kaolinite

Wang

Jiang

et al. 2021

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

show abstract

“…However, due to factors such as natural erosion and environmental changes, the current conservation state of these silicate cultural relics is not optimistic. Salt e orescence are the most widespread diseases in grottoes, murals and earthen sites, which are directly or indirectly associated with the transport of soluble salts [7][8][9]. Damages occur when soluble salts are transported to the surface of silicate cultural relics for crystallization by capillary action and diffusion [10].…”

Section: Introductionmentioning

confidence: 99%

The exploration of a new technology: preservation of immovable silicate cultural relics against salt efflorescence by directional induction of water and salt migration

Li,

Gao,

Yang

et al. 2023

Preprint

View full text Add to dashboard Cite

Salt efflorescence is one of the critical problems for the preservation of immovable silicate relics. Salt efflorescence mainly comes from continuous cycles of crystallization/dissolution or hydration/dehydration of salts in confined pores in silicate relics. Many protocols have been developed in attempts to alleviate possible salt damages with minor success because of endless water and salt feed from underground. In this study, we propose and design a novel technique for salt damage prevention and protection of immovable relics. Materials with higher water-absorbing ability than matrix are applied to control the water and salt migration direction in simulated sand samples. The distribution of moisture content on the surface of sand is followed by hyperspectral imaging. It appears that water and salt molecules will preferentially transport towards positions containing higher water-absorbing material. Both organic and inorganic high water-absorbing materials show effective in controlling the water and salt migration direction, which provides a new approach for the prevention and protection of salt efflorescence in silicate cultural relics.

show abstract

“…An essential component of conservation actions is the assessment of compatibility between conservation materials and relics. However, the compatibility requirements are not same for various conservation practice (for example, different relics [10][11][12] (lithoid, earthen, wooden, etc. ), different climates [13,14] (humid, arid, etc.…”

Section: Introductionmentioning

confidence: 99%

Properties and Compatibility Assessment of the Slurry with Quicklime for Fissure Restoration of Earthen Sites in Northwest China

Cui

Han

et al. 2022

Coatings

View full text Add to dashboard Cite

Slurries with quicklime for fissure restoration in earthen sites in northwest China can reduce dry shrinkage and reinforce the soil on both sides of fissure. However, their full-scale properties need to be investigated and a compatibility assessment needs to be carried out in order to proceed with further research. The paper pays attention to the full-scale properties of the slurry and typical site soils. A total of 3 slurries with different mix proportions and 35 earthen sites in northwest China are selected to test properties, including basic physical properties, mechanical properties, thermal properties, and water-physical properties. The test results show the properties of the slurries are close and that the properties of the site soils are obviously different. Then, a compatibility assessment is considered as a multi-criteria decision-making problem to solve. Three universal and necessary steps in the paper are to select assessment indicators, weigh each indicator, and sort all of the samples. The AHP, CRITIC, and TOPSIS methods are adopted in the process of the compatibility assessment. The results of assessment show that most site soils are commonly or highly compatible with three slurries; few site soils are very highly or lowly compatible; and that no site soils are very lowly compatible, which means that the three slurries with quicklime with different mix proportions are acceptable for most earthen sites in NW China. The paper provides much basic data of the slurries with quicklime and site soils widely distributed in arid region in NW China, and also builds a model of the compatibility assessment which has potential for the further application of slurries with quicklime.

show abstract

High hydrophobic preservation materials can cause damage to tabia relics

Cited by 11 publications

References 11 publications

Reversible Thermochromic Superhydrophobic BiVO₄ Hybrid Pigments Coatings with Self-Cleaning Performance and Environmental Stability Based on Kaolinite

Reversible Thermochromic Superhydrophobic BiVO₄ Hybrid Pigments Coatings with Self-Cleaning Performance and Environmental Stability Based on Kaolinite

The exploration of a new technology: preservation of immovable silicate cultural relics against salt efflorescence by directional induction of water and salt migration

Properties and Compatibility Assessment of the Slurry with Quicklime for Fissure Restoration of Earthen Sites in Northwest China

Contact Info

Product

Resources

About

High hydrophobic preservation materials can cause damage to tabia relics

Cited by 11 publications

References 11 publications

Reversible Thermochromic Superhydrophobic BiVO4 Hybrid Pigments Coatings with Self-Cleaning Performance and Environmental Stability Based on Kaolinite

Reversible Thermochromic Superhydrophobic BiVO4 Hybrid Pigments Coatings with Self-Cleaning Performance and Environmental Stability Based on Kaolinite

The exploration of a new technology: preservation of immovable silicate cultural relics against salt efflorescence by directional induction of water and salt migration

Properties and Compatibility Assessment of the Slurry with Quicklime for Fissure Restoration of Earthen Sites in Northwest China

Contact Info

Product

Resources

About

Reversible Thermochromic Superhydrophobic BiVO₄ Hybrid Pigments Coatings with Self-Cleaning Performance and Environmental Stability Based on Kaolinite

Reversible Thermochromic Superhydrophobic BiVO₄ Hybrid Pigments Coatings with Self-Cleaning Performance and Environmental Stability Based on Kaolinite