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Abstract
Wood specimens were coated with sol-gel deposits of aluminum isopropoxide, titanium isopropoxide, or zirconium propoxide in the presence of methytrimethoxysilane. Both zirconium propoxide and titanium isopropoxide sol-gel deposits reduced water sorption, whereas aluminum isopropoxide sol-gel deposit increased water sorption, compared with uncoated wood specimens. There differences may be ascribed to differences in the distribution a/ the sol-gel deposits within the surface wood cell walls.
Keywords
Aluminum,
titanium,
zirconium,
accelerated testing,
accelerated life testing,
weathering,
wood surfaces,
deterioration,
coatings,
water repellents,
loblolly pine,
sol-gel deposition,
alkoxysilanes
Citation
Tshabalala, Mandla A. 2005. Sol-Gel deposition of inorganic alkoxides on wood surfaces to enhance their durability under exposure to sunlight and moisture. Surface life prediction : challenging the status quo. Bluebell, PA : Federation of Societies of Coatings Technology, 2005: pages 385-391.
