Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 651, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.colsurfa.2022.129701
Keywords
Dyed wood; Superhydrophobic coating; Color fastness; Durability
Categories
Funding
- National Key Research and Devel- opment Program of China [2017YFD0601104]
- Project for Cultivating Excellent Doctoral Dissertation of Forestry En- gineering [LYGCYB202001]
- Science and technology innovation Program of Hunan Province [2021RC4062]
- Scientific Innovation Fund for Post -graduates of Hunan Province [QL20210208]
- Scientific Innovation Fund for Post -graduates of Central South University of Forestry and Technology [CX202101022]
Ask authors/readers for more resources
Dyed-superhydrophobic wood (DS-wood) was successfully prepared by in-situ growth and transformation of Si-sol and polydimethylsiloxane (PDMS) to enhance the color fastness and superhydrophobicity. DS-wood exhibited excellent water washing resistance, abrasion resistance, stability, and self-cleaning properties.
Superhydrophobic surfaces have been widely used in surface protection. Dyed wood (D-wood) easily fades when exposed to water, but to improve its the color fastness, a superhydrophobic coating can be applied to reduce the D-wood's interaction with water. In this work, dyed-superhydrophobic wood (DS-wood) was successfully prepared by in-situ growth and transformation of Si-sol and polydimethylsiloxane (PDMS) to enhance the color fastness of D-wood. Scanning electron microscope (SEM) indicated that the Si-sol deposited on the D-wood surface generated a rough coating and combined with the construction of PDMS acted to improve the superhydrophobicity. The water contact angle (WCA) of the DS-wood was around 151.6 degrees and the sliding angle (SA) was about 7 degrees. Because the superhydrophobic coating can form a protective layer on the D-wood surface, DS-wood does not suffer from severe fading under long-term water washing conditions. In addition, even after other rigorous tests (abrasion, chemical and solvent corrosion), DS-wood has excellent superhydrophobic stability and does not suffer color degradation. Last, DS-wood has been shown to exhibit excellent self-cleaning properties. This method provides a new strategy and paradigm for the application of superhydrophobic coating and the surface protection of D-wood.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available