Journal article
Superhydrophobic wood fabricated by epoxy/Cu 2 (OH) 3 Cl NPs/stearic acid with performance of desirable self-cleaning, anti-mold, dimensional stability, mechanical and chemical durability
Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol.647, pp.1-11
2022
Abstract
Pinus wood (Pinus sylvestris var. mongolica Litv.) was modified to make it superhydrophobic by a simple hydrothermal method for in-situ synthesis Cu2(OH)3Cl nanoparticles (NPs) followed by impregnation with a stearic acid/epoxy resin (STA/EP) ethanol solution. Surface microstructure, roughness and chemical constituents of the modified wood were characterized by scanning electron microscopy (SEM), 3D confocal microscope profilometry, X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). Modified wood exhibited superhydrophobicity, characterized by a static water contact angle (WCA) reach 151 ± 3° and sliding angle (SA) less than 6 ± 3°. The modified wood remained superhydrophobicity under harsh conditions including impregnation with strong acid or alkali, 7 cycles of sandpaper abrasion, 200 cycles of tape paste, 192 hours of UV irradiation and exposed at 140 °C. The modified wood also exhibited excellent functions, including anti-mold, dimensional stability, stain resistance and self-cleaning, which suggested that the process has potential for protecting wood in exterior exposures.
Details
- Title
- Superhydrophobic wood fabricated by epoxy/Cu 2 (OH) 3 Cl NPs/stearic acid with performance of desirable self-cleaning, anti-mold, dimensional stability, mechanical and chemical durability
- Authors
- Quanxiong Lu (Author) - Southwest Forestry UniversityRuifeng Cheng (Author) - Southwest Forestry UniversityHaiqiu Jiang (Author) - Southwest Forestry UniversitySengwei Xia (Author) - Southwest Forestry UniversityKe Zhan (Author) - Southwest Forestry UniversityTengfei Yi (Author) - University of the Sunshine Coast, Queensland, National Centre for Timber Durability and Design LifeJeffrey Morrell (Author) - University of the Sunshine Coast, Queensland, National Centre for Timber Durability and Design LifeLong Yang (Author) - Southwest Forestry UniversityHui Wan (Author) - Southwest Forestry UniversityGuanben Du (Author) - Southwest Forestry UniversityWei Gao (Author) - Southwest Forestry University
- Publication details
- Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol.647, pp.1-11
- Publisher
- Elsevier BV
- DOI
- 10.1016/j.colsurfa.2022.129162
- ISSN
- 1873-4359
- Organisation Unit
- Forest Research Institute; National Centre for Timber Durability and Design Life; School of Business and Creative Industries; University of the Sunshine Coast, Queensland
- Language
- English
- Record Identifier
- 99638178802621
- Output Type
- Journal article
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