Wood preservative

Details Wood preservative Wood preservative

B - Operations, Transporting

27

K

6/15

B27K 3/50 (2006.01) A01N 57/22 (2006.01)

Patent

CA 1078104

ABSTRACT OF THE DISCLOSURE: An agent for preserving wood and wood materials, characterized in that it consists of 0.5 to 7 % by weight of a mixture of (a) at least one insecticidal alkoxyphenyl - N - alkylcarbamate and/or alkyphenyl - N - alkylcarbamate soluble in a non readily volatilizable or oleaginous organic solvent having a vaporization factor above 35 and a flash-point above 30°C, and (b) at least one insecticidal halogenated or halogen- free, thio- or thionophosphoric acid ester or thionophosphonic acid ester, or a mixture thereof, soluble in a non readily volatilizable or oleaginous organic solvent having a vaporization factor above 35 and a flash-point above 30°C, said esters having the general formula : Image wherein R1 represents an alkyl radical having 1 to 4 carbon atoms, R2 represents an alkyl or alkoxy radical having 1 to 4 carbon atoms or a phenyl radical, R3 represents a phenyl radical or a phenyl radical substituted by 1 to 3 halogen atoms or by lower alkyl or alkoxy groups, the weight ratio of (a) to (b) varying from 3:1 to 1:3 ; about 0.3 to 10% by weight of at least one fungicidal compound soluble in a non readily volatilizable or oleaginous organic solvent having a vaporization factor above 35 and a flash-point above 30°C ; and at least 64 % by weight of a non readily volatilizable, oily or oleaginous organic solvent having a vaporization factor above 35 and a flash-point above 30°C. The wood preservative of the invention is highly effective and offers the wood or wood materials permanent protection without impairing the quality thereof; it also provides adequate preserving action even under weathering.

287919

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