Stabilization of wood substrates

Details Stabilization of wood substrates Stabilization of wood substrates

B - Operations, Transporting

27

K

B27K 3/34 (2006.01) B27K 3/36 (2006.01) C09D 15/00 (2006.01)

Patent

CA 2265990

The invention relates to a method of protecting wood against light-induced degradation by treatment with a stain or impregnation which penetrates the surface of the wood comprising a) at least one organic solvent; b) a hindered amine compound of formula I or II [SEE FORMULA I] [SEE FORMULA II] where G1 and G2 are independently alkyl of 1 to 4 carbon atoms or are together pentamethylene, Z1 and Z2 are each methyl, or Z1 and Z2 together form a linking moiety which may additionally be substituted by an ester, ether, hydroxy, oxo, cyanohydrin, amide, amino, carboxy or urethane group, E is oxyl or hydroxyl, X is an inorganic or organic anion, and where the total charge of cations h is equal to the total charge of anions j.

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