Wood preservative based on polymeric nitrogen compounds and metal-fixing acids
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What is claimed is:1. A water-soluble wood preservative comprising:(a) a wood-preserving effective mount of a metal compound selected from the group consisting of copper compounds, zinc compounds and a mixture thereof;(b) a metal-fixing acid selected from the group consisting of aliphatic C.sub.5-20 -carboxylic acids, halogen substituted C.sub.5-20 -carboxylic acids, amino substituted C.sub.5-20 -carboxylic acids, alkoxy substituted C.sub.5-20 -carboxylic acids, aliphatic C.sub.5-20 -dicarboxylic acids aminohydroxy C.sub.5-20 -carboxylic acids, 2-mercaptopyridine C-oxide, 2-hydroxypyridine N-oxide, dehydroacetic acid, cycloalkyl carboxylic acids, aryl carboxylic acids, polycarboxylic acids, and heterocyclic carboxylic acids; and(c) a washout-reducing effective amount of a polyethyleneimine having a degree of polymerization between 50 and 1000.2. The water-soluble wood preservative of claim 1, further comprising a water-soluble amine selected from the group consisting of aliphatic linear polyamines, aliphatic branched polyamines, alkanolamines, diamines of cyclic compounds, polyamines of cyclic compounds and ammonia.3. The water-soluble wood preservative of claim 1, wherein said metal compound is present in from 2.5-40 wt. %.4. The water-soluble with wood preservative of claim 1, wherein said metal-fixing acid is present in from 10-40 wt. %.5. The water-soluble wood preservatives of claim 1, wherein said polyethyleneimine is present in from 5-50 wt. %.6. The water-soluble wood preservative of claim 1, further comprising an additive selected from the group consisting of fungicidally active anions, N-organodiazeniumdioxy compounds, fatty amines, fatty amine salts, quaternary ammonium compounds, quaternary phosphonium compounds, tridemorph derivatives, fenpropimorph derivatives, triazole derivatives, imidazole derivatives, tributyl tin compounds, isothiazolone compounds, hydroxamic acids, and synthetic pyrethroids or a mixture thereof.7. The water-soluble wood preservatives of claim 1, wherein said metal-fixing acid is 2-ethylhexanoic acid.8. A process for protecting wood, which comprises treating wood with an effective wood protecting amount of a preservative as claimed in claim 1.
The present invention relates to water-soluble wood preservatives which comprise a metal compound, a metal-fixing acid and polymeric complexing nitrogen compounds with or without water-soluble amines and/or polyamines.
Water-soluble wood preservatives based on copper and/or zinc compounds, C5 -C20 -carboxylic acids and aliphatic polyamines are known (EP 270 848 and 320 786). Suitable aliphatic polyamines are for example alkylenepolyamines of from 2 to 4 nitrogen atoms. Depending on the nature of the polyamines used, various disadvantages result.
If a polypropylenepolyamine, i.e. for example 1,3-diaminopropane, dipropylenetriamine (3,3,-diaminodipropylamine) or tripropylenetetramine, is applied to solid wood in an industrial process, for example a pressure method, the penetration and distribution of the copper are not always adequate to ensure deep protection of the wood, for example of roundwood such as masts and palisadas, in particular if used in earth contact, i.e. when part of the wood is dug in.
The alkaline aqueous solutions of the copper and/or zinc compounds (pH 8-10 on average) react with the acidic constituents of the wood in such a way that the copper and/or zinc already precipitates in the outer regions of the wood in the presence of carboxylic acids, so that for example in the case of pinewood and if the sapwood thickness is more than 2 cm the copper and/or zinc does not reach the heart of the wood, in particular when the pinewood has narrow annual rings and high resin contents.
Moreover, the copper washout is too high with these wood preservatives, in particular if applied by means of hot steam fixation. For example, more than 20% of the copper present in the wood can be washed out following hot steam fixation (hot steam at about 100° C., 1-2 hours).
With a polyethylene polyamine, e.g. ethylenediamine, diethylenetriamine or triethylenetetramine, aminoethylethanolamine ((2-(2-aminoethyl)amino)ethanol), or 1,2-propanediamine it is true that the penetration is better, but the degree of fixation of the wood preservative is not sufficient with standard or rapid fixation. The copper washout from the wood is for example above 25%.
We have found that the abovementioned disadvantages do not appear in the case of water-soluble wood preservatives based on metal compounds, acids which fix these metals and complexing polymeric nitrogen compounds with or without addition of water-soluble amines and/or polyamines.
Complexing polymeric nitrogen compounds are for example polyethyleneimines, polyamidoamines (condensation products of polyamines with adipic acid), condensation products based for example on diethylenetriamine/triethanolamine and/or diethanolamine/diethylenetriamine. Polyethyleneimines are preferred.
Polyethyleneimines (PEIs) are known and are formed by polymerization of 1,2-ethyleneimine. The nitrogen is present therein in primary form (end group), secondary form and tertiary form (branching). Suitable polyethyleneimines have n greater than 10; very good results are obtained when using PEI having a degree of polymerization n between 50 and 1000.
Polyamidoamines are formed for example by reacting diethylenetriamine with adipic acid at from 150° to 200° C.
Further condensation products are formed for example by heating diethanolamine or triethanolamine to 200°-220° C. in the presence of phosphonic acid (H3 PO3).
Metal compounds are for example copper, zinc, nickel or cobalt compounds or mixtures thereof. They can be used as water-soluble or water-insoluble compounds, for example copper and/or zinc salts such as sulfates, acetates, hydroxides, oxides, borates, fluorides, copper hydroxide carbonate or zinc carbonate; it is also possible to use the corresponding nickel and/or cobalt compounds. Copper compounds are preferred.
Metal-fixing acids are for example aliphatic C5 -C20 -carboxylic acids such as hexanoic acid, heptanoic acid, octanoic acid, branched carboxylic acids, 2-ethylpentanoic acid, 2-ethylhexanoic acid, 2-ethylheptanoic acid, isooctanoic acid, isononanoic acid, more highly branched carboxylic acids such as neocarboxylic acids, Versatic acids, di-n-alkylacetic acids, di-n-alkylpropionic acids, substituted C5 -C20 -carboxylic acids, for example halocarboxylic acids (2-bromohexanoic acid, 2-bromooctanoic acid), ethercarboxylic acids, aminocarboxylic acids, aliphatic dicarboxylic acids, e.g. sebacic acid, cycloalkylcarboxylic acids, e.g. cyclo-hexanecarboxylic acid, cycloarylcarboxylic acids, e.g. phthalic acid, salicylic acid, 3- or 4-hydroxybenzoic acid, aminohydroxycarboxylic acids, e.g. aminosalicylic acid, polycarboxylic acids, e.g. polyacrylic acids and/or other metal-fixing acids such as 2-mercaptopyridine N-oxide, 2-hydroxypyridine N-oxide, dehydroacetic acid, heterocyclic carboxylic acids, e.g. furancarboxylic acid and 2,5-dimethylfurancarboxylic acid.
It is also possible to use the corresponding alkali metal and/or amine and/or copper, zinc, cobalt or nickel salts of the metal-fixing acids.
The copper, zinc, cobalt and nickel salts of the abovementioned acids are water-insoluble; they are converted into water-soluble compounds by the complexing polymeric nitrogen compounds.
For ease of formulation and for economic reasons it is usually advantageous to replace some of the complexing polymeric nitrogen compounds with water-soluble amines and/or polyamines or ammonia. It is possible to use for example aliphatic linear or branched polyamines, e.g. ethylenediamine, diethylenetriamine,, triethylenetetramine, aminoethylethanolamine, 1,2-diaminopropane, 1,3-diaminopropane, dipropylenetriamine, tripropylenetetramine, neopentanediamine, N,N'-bis(3-aminopropyl)ethylenediamine (N4 -amine), water-soluble amines, e.g. alkanolamines such as ethanolamine, diethanolamine, triethanolamine or isopropanolamine, polyetherdiamines, e.g. compounds of the formula
H2 N (CH2)n O (CH2 CH2 O)m (CH2)n NH2
n; m=1-6 and/or di- or polyamines of cyclic compounds, e.g. 1,3-diaminocyclohexane or N-aminoethylpiperazine.
The amount used of these water-soluble amines must be limited for example by the requirement that neither the penetration of the wood preservative be impaired nor the washout of the metals be increased. Compared to the amines, the polymeric complexing nitrogen compounds are always present in excess.
Since a broad spectrum of activity against wood-destroying animal and vegetable pests is usually only achieved at higher application rates (more than 30 kg of wood preservative per cubic meter of wood), it is for example advantageous to complement and so improve the activity of the wood preservatives of the present invention by the addition of further fungicides or insecticides.
Suitable additives are in particular for example N-organodiazeniumdioxy compounds (HDO compounds) such as N-cyclohexyl-, N-C4 -C10 -alkyl-, in particular, N-C6 -C8 --alkyl-, N-aryl-, in particular N-phenyl-, -diazeniumdioxy compounds and mixtures thereof. Suitable salts of N-organodiazeniumdioxy compounds are for example not only the water-soluble alkali metal and/or ammonium salts but also the water-insoluble metal salts, such as the copper, zinc, nickel and/or cobalt salts.
An improvement in the activity spectrum against wood-destroying and wood-discoloring fungi and against wood-destroying insects is also possible by mixing in fatty amines (primary, secondary, tertiary amines) which contain at least one hydrophilic moiety of at least 6 carbon atoms.
These amines conform for example to the formula ##STR1## where
R is C6 -C20 -alkyl or -hydroxyalkyl, and
R1, and R2 and R3 are each independently of the others hydrogen, C1 -C4 -alkyl, an R C6 -C30 -alkyl or -hydroxyalkyl, or substituted or unsubstituted benzyl.
The fatty amines may be incorporated into the novel concentrates or solutions in the form of salts according to their properties, for example wholly or partly as salts of carboxylic acids such as acetic acid, propionic acid or 2-ethylhexanoic acid, with or without emulsifiers.
Suitable fatty amines are for example dimethyl (C10 -C18 -alkyl)amine, in particular dimethyl-C12 /C14 -alkylamine, methyldioctylamine, methyldidecylamine, octyldiethanolamine, didodecyl-1,3-propylenediamine, C13 /C15 -alkyltrimethylenediamine, laurylpropylenediamine, N,N-bis-(3-aminopropyl)laurylamine.
It is also possible to include quaternary ammonium compounds or phosphonium compounds.
A quaternary ammonium compound is for example a compound conforming to the formula R1 R2 R3 R4 N+Z-, where
R1 is alkyl of from 8 to 20 carbon atoms, in particular alkyl of from 12 to 20 carbon atoms, or benzyl which may be substituted by C1 -C20 -alkyl or halogen,
R2 is C1 -C6 -alkyl, C3 -C9 -alkoxyalkyl, polymeric ethylene oxide (EO) or propylene oxide (PO) with EO or PO n=2-50,
R3 is C1 -C6 -alkyl, C3 -C4 -alkoxy, polymeric ethylene oxide (EO) or propylene oxide (PO) with EO or PO n=2-50, and
R4 is C1 -C20 -alkyl,
or any two of R1 -R4 are combined with the nitrogen atom to form a heterocyclic radical which contains 4 or 5 carbon atoms, 1 or 2 nitrogen atoms and one, two or three double bonds in which the carbon atoms may be substituted by C1 -C4 -alkyl or halogen and Z is an acid radical, for example halide.
Suitable phosphonium compounds are in particular compounds of the formula
R1 3 R2 P+ Y-,
where
R1 is alkyl of from 1 to 6 carbon atoms, hydroxyalkyl of from 1 to 6 carbon atoms or phenyl,
R2 is alkyl of from 8 to 18 carbon atoms, and
Y is an acid radical, in particular a halide anion.
The radicals R1 and R2 are preferably straight-chain.
The quaternary phosphonium compounds may be present in the novel concentrates alone or as mixtures. Examples of such phosphonium compounds are trimethyl-n-dodecylphosphonium chloride, triethyl-n-decylphosphonium bromide, tri-n-propyl-n-tetradecylphosphonium chloride, trimethylol-n-hexadecylphosphoniumchloride,tri-n-butyl-n-tetradecylphosphonium chloride, tri-n-butyl-n-dodecylphosphonium bromide, tri-n-butyl-n-decylphosphonium chloride, tri-n-butyl-n-hexadecylphosphonium bromide, tri-n-hexyl-n-decylphosphoniun chloride, triphenyl-n-dodecylphosphonium chloride, triphenyl-n-tetradecylphosphonium bromide and triphenyln-octadecylphosphonium chloride.
It is also possible to add further fungicides, for example in emulsified form, such as N-tridecyl-2,6-dimethylmorpholine (tridemorph) and/or 4-(3-para-tertbutylphenyl)-2-methylpropyl-2,6-cis-dimethylmorpholine (fenpropimorph) and/or triazole and/or imidazole compounds such as 1-(2-(2,4-dichlorophenyl)-4-methyl-1,3-dioxolan 2-ylmethyl)-1H-1,2,4-triazole, 1-(2-(2,4-dichlorophenyl)-1,3-dioxolan-2-ylmethyl)-lH-1,2,4-triazole, 1-(2-(2,4-dichlorophenyl)-4-ethyl-1,3-dioxolan-2-yl-methyl)-1H-1,2,4-triazole, 1-(2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-ylmethyl)-1H-1,2,4-triazole (propiconazole), 1-(2-(2,4-dichlorophenyl)-4-pentyl-1,3-dioxolan-2-ylmethyl)-1H-1,2,4-triazole, 1-(2-(2,4-dichlorophenyl)4-ethyl-1,3-dioxolan-2-ylmethyl)-1H-imidazole, .alpha.-tert-butyl-α-(p-chlorophenylethyl)-1H-1,2,4-triazol-1-ethanol, 1-(β-alkyloxy-2,4-dichlorophenethyl)imidazole and/or organotin compounds, in particular tributyltin (TBT) compounds, such as TBT oxide, TBT versatate, TBT benzoate, TBT naphthenate, TBT-HDO and/or isothiazolinone compounds of the following formula: ##STR2## where
R1 is hydrogen, alkyl, alkenyl or alkynyl of from 1 to 18 carbon atoms, cycloalkyl having a C3 -C6 -ring and up to 12 carbon atoms, or aralkyl or aryl of up to 19 carbon atoms, and
R2 and R3 are each independently of the other hydrogen, halogen or C1 -C4 -alkyl, or R2 and R3 are part of an aromatic radical, and/or hydroxamic acids of the formula ##STR3## where R1 is for example cycloalkyl (cyclohexyl), aryl (phenyl) or heterocyclyl, and
R2 is for example hydrogen, C1 -C4 -alkyl, C5 -C8 -cycloalkyl or aryl (phenyl).
Emulsifiers used with or without polar solvents can be in particular the aforementioned fatty amines and their salts, quaternary ammonium/phosphonium compounds and for example other ionic and nonionic emulsifiers.
The wood preservatives may contain further compounds, for example compounds with a fungicidal anion, for example a boron compound, e.g. an alkali metal borate, amine borate, boric acid, boric ester; fluorides, e.g. potassium fluoride, and/or salts of fluoroboric acid and/or fluorophosphoric acid and/or difluorophosphoric acid.
The degree of penetration of aqueous solutions of the novel wood preservatives, for example by pressure impregnation, is very good: the solutions penetrate deep into the wood. The distribution of active substance in the wood conforms to practical requirements. In the impregnation of roundwood, the outer limit of the heart wood is reached even in the case of wide sapwood. Precipitation of the metal salts does not start until after the impregnation, and they are fixed (absorbed) in the wood fibers and constituents with the aid of the polymeric nitrogen compounds.
At about 20° C. the fixation of the wood preservative of the present invention is for example complete after 1 to 2 weeks; the fixation reaction can be appreciably accelerated by hot steam fixation (more than 100° C.) or warm fixation (50° to 60° C. in a sealed system), in which case it is complete after 1 to 2 hours and 12 to 24 hours respectively. The washout is reduced compared with known wood preservatives.
The pH of the aqueous impregnating solution is in general between pH 4 and pH 11, in particular between pH 6 and 9. Especially if the pH is set to below about pH 7.5 it is possible to incorporate into the concentrates and solutions even fungicides and insecticides which are not stable in an alkaline medium at a higher pH. Thus, to broaden the activity spectrum or to obtain particular effects it is also possible to use for example the following compounds with or without assistants such as ionic or nonionic emulsifiers and/or organic solvents:
Methylene bisthiocyanate
Chlorinated phenols
Tetrachloroisophthalodinitrile
N-Cyclohexyl-N-methoxy-2,5-dimethylfuran-3-carboxamide
N,N'-Dimethyl-N'-phenyl-(N-fluoromethylthio)sulfamide
N,N'-Dimethyl-N'-toluyl-(N-fluoromethylthio)sulfamide
Methyl benzimidazole-2-carbamate
2-Thiocyanomethylthiobenzothiazole
2-Iodobenzanilide
1-(1',2',4'-Triazol-1'-yl)-1-(4'-chlorophenoxy)-3,3-dimethylbutan-2-one
1-(1',2',4'-Triazol-1'-yl)-1-(4'-chlorophenoxy)-3,3-dimethylbutan-2-ol
Hexachlorocyclohexane
O,O-Diethyldithiophosphorylmethyl-6-chlorobenoxazolone
2-(1,3-Thiazol-4-yl)benzimidazole
N-Trichloromethylthio-3,6,7,8-tetrahydrophthalimide
N-(1,1,2,2-Tetrachloroethylthio)-3,6,7,8-tetrahydrophthalimide
N-Trichloromethylthiophthalimide
3-Iodo-2-propylbutyl carbamate
O,O-DimethylS-(2-methylamino-2-oxoethyl)dithiophosphate
O,O-Diethyl 0-(3,5,6-trichloro-2-pyridyl) thiophosphate
O,O-Dimethyl S-(N-phthalimido)methyl dithiophosphate
O,O-Diethyl 0-(α-cyanobenzylideneamino) thiophosphate
6,7,8,9,10-Hexachloro-1,5,5a,6,9,9a-hexahydro-6,9-methano-2,3,4-benzodioxothiepin 3-oxide
(4-Ethoxyphenyl)-(dimethyl)-(3-(4-fluoro-3-phenoxyphenyl)propylsilanes
2-sec-Butylphenyl N-methylcarbamate
2-Isopropoxyphenyl N-methylcarbamate
1-Naphthyl N-methylcarbamate
Norbornene dimethanohexachlorocyclosulfite
1-[4-Chlorophenyl)-3-(2,6-di-fluorobenzoyl)urea
Synthetic pyrethroids such as
3-Phenoxybenzyl (+)-3-(2,2-dichlorovinyl-2,2-dimethyl)cyclopropane-1-carboxylate
α-Cyano-3,3-phenoxybenzyl 3-(2,2-dichlorovinyl-2,2-dimethyl)cyclopropane-1-carboxylate
(S)-α-Cyano-3-phenoxybenzyl (1R,3R)-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate (deltamethrin)
α-Cyano-3-phenoxybenzylisopropyl 2,4-chlorophenylacetate.
The water-thinnable wood preservatives generally contain the copper and/or zinc and/or nickel and/or cobalt in concentrated form for example in an amount of from 1.0 to 12.5% by weight, calculated as metal.
Suitable concentrates have for example the following composition: (% by weight)
2.5-40% of copper and/or zinc and/or cobalt and/or nickel compounds
10-40% of a metal-fixing acid
5-50% of a complex polymeric nitrogen compound, pound, in particular polyethyleneimines,
0-25% of water-soluble amine and/or polyamine
0-40% of a compound having a fungicidally active anion
0-25% of N-organodiazeniumdioxy compounds
0-40% of a fatty amine and/or fatty amine salt or mixtures thereof
0-50% of a quaternary ammonium and/or quaternary phosphonium compound
0-20% of tridemorph, fenpropimorph, triazole and/or imidazole derivatives, tributyltin compounds and/or isothiazolone compounds and/or hydroxamic acids
0-2% of synthetic pyrethroids, the sum total being always 100% by weight, and optionally minor amounts of other constituents, such as ammonia, corrosion inhibitors, complexing acids (e.g. nitrilotriacetic acid, ethylenediaminetetraacetic acid if hard water is used) and if necessary water and/or polar water-miscible solvents, the proportion of which however can in general be kept to a minimum and which essentially aid handling.
However, the present invention equally extends to the less concentrated impregnating solutions preparable by dilution with water. The application concentration is for example from 0.01 to 1.50% by weight of metal, e.g. copper, in the aqueous impregnating solution, depending on the method of impregnation and the severity of hazard to which the impregnated wood will be exposed.
By dissolving the metal salts, if necessary by heating, in particular the copper and/or zinc compounds, in the polymeric complexing nitrogen compounds in the presence or absence of amines and water it is possible to prepare highly concentrated water-soluble pastes and liquids which on dilution with water can be used for impregnating wood.
The impregnating solutions can be applied to wood by hand, for example by spraying, brushing, dipping or trough impregnation, or by industrial methods, for example the pressure method, the changing pressure method or the double vacuum method. For the purposes of the present invention "wood" covers not only solid wood but also woodbase materials, for example chipboard or plywood; in this case the wood preservative may also be introduced with the glue.
The concentrates or solutions can be colored with water-soluble or water-emulsifiable dyes and/or pigment preparations. The addition of wax, paraffin and/or acrylate dispersions to obtain a water-repellent effect or improve the fixation is possible.
The concentrates may also be incorporated into binder-containing water-thinnable systems (primers, glazes).
The invention will be explained with reference to the following Examples:
______________________________________20% of aminoethylethanolamine25% of 2-ethylhexanoic acid 6% of N-cyclohexyldiazeniumdioxy potassium (K-HDO)*) (hereinafter abbreviated to K-HDO)39% of water10% of copper hydroxide carbonate Cu(OH)2.CuCO3______________________________________
The concentrate is diluted with water in a ratio of 2 parts of concentrate to 98 parts of water; that is, the application concentration is 2%.
In each Example, 20 pine sapwood blocks (15×25×50 mm) were impregnated, before 10 each of the impregnated blocks were subjected to
I: 4 weeks' affixation at standard temperature (20° C.) or
II: hot steam treament (1 h, 100° C.) and 4 hours' cooling down
and then repeatedly washed with water, the wash water being collected and its copper content being determined.
In the case of the hot steam treatment, the amount of copper in the condensed water (steam which had condensed at the surface of the blocks) was additionally analyzed and added to the copper content of the wash water to determine the total washout.
The amount of washed-out copper was calculated as a percentage of the total amount of copper in the wood prior to the washing out (no washout =0%, complete washout =100%).
______________________________________Copper washout______________________________________I 26%II a) 9% (washout due to condensed water) b) 21% (washout following hot steam treatment)II Total: 30%______________________________________
Example B (not according to the invention)
______________________________________15.0% of diethylenetriamine25.0% of 2-ethylhexanoic acid 6.5% of K-HDO43.5% of water10.0% of copper hydroxycarbonate Cu(OH)2.CuCO3______________________________________
______________________________________Copper washout______________________________________ I 31% II a) 11% b) 21% II Total: 32%______________________________________
Example C (not according to the invention)
______________________________________ 20% of diethylenetriamine 33% of 2-ethylhexanoic acid34.5% of water12.5% of copper hydroxide carbonate______________________________________
______________________________________Copper washout______________________________________ I 41.5%______________________________________ Example D (not according to the invention)
______________________________________17.5% of dipropylenetriamine25.0% of 2-ethylexanoic acid 6.0% of K-HDO41.5% of water 10% of copper hydroxycarbonate______________________________________
______________________________________Copper washout______________________________________ I 21% II a) 6% b) 19% Total: 25%______________________________________
To determine the penetration, 5 pinewood posts (1.50 m in length; 0.20 m in diameter; from the same growth area; in the air-dried state with comparatively narrow annual rings and an average sapwood width of above 3 cm) were each cut into 6 roundwood sections 24 cm in length and the cut surfaces were sealed off with a coat of epoxy resin. 1 section was taken from each post, so that 5 pine roundwood sections could be impregnated at the same time (1 h vacuum: less than 0.1 bar; 4 h pressure: 8 bar).
To determine the penetration of the copper the pine roundwood sections were then cut open in the middle and the cut surfaces were treated with 4-(2-pyridylazo)re sorcinol monosodium salt (monohydrate) (red color with copper and zinc) and the penetration of the copper was determined.
______________________________________Copper penetration(Series I/1) a b c d e______________________________________average sapwood width (mm) about 35 33 38 30 42average copper penetration (mm) about 25 19 27 15 18______________________________________
Example E (not according to the invention)
______________________________________15.0% of 1,3-diaminopropane25.0% of 2-ethylhexanoic acid 6.0% of K-HDO44.0% of water10.0% of copper hydroxycarbonate Cu(OH)2.CuCO3______________________________________
______________________________________Copper washout______________________________________ I 18% II a) 5% b) 19% Total: 24%______________________________________
______________________________________Copper penetration(Series I/2) a b c d e______________________________________average sapwood width (mm) about 35 32 37 31 42average copper penetration (mm) about 22 19 26 15 19______________________________________
EXAMPLES ACCORDING TO THE INVENTION
EXAMPLE 1
______________________________________ 15% of PEI ca. n = 150 9% of aminoethylethanolamine23.5% of 2-ethylhexanoic acid 6.0% of K-HDO36.5% of water10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 6.5% II a) 5.5% b) 8.0% Total: 13.5%______________________________________
______________________________________Copper penetration(Series I/3) a b c d e______________________________________average sapwood width (mm) about 35 31 38 31 41average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 2
______________________________________15% of PEI ca. n = 150 6% of diethylenetriamine22% of isooctanoic acid 6% of K-HDO41% of water10% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 7.5% II a) 5.0% b) 8.5% Total: 13.5%______________________________________
______________________________________Copper penetration(Series I/4) a b c d e______________________________________average sapwood width (mm) about 37 34 36 33 40average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 3
______________________________________14.5% of PEI ca. n = 100 8.0% of aminoethylethanolamine25.0% of 2-ethylhexanoic acid 6.5% of K-HDO36.0% of water10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________I 9.0%II a) 7.0% b) 5.5%Total: 12.5%III After fixation 12 hours at 60° C. in closed system: 10.5%______________________________________
______________________________________Copper penetration(Series I/5) a b c d e______________________________________average sapwood width (mm) about 34 31 33 34 39average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 4
______________________________________14.5% of PEI ca. n = 100 9.0% of aminoethylethanolamine23.5% of isooctanoic acid36.5% of water 6.5% of K-HDO10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 7.0% II a) 5.0% b) 7.5% Total: 12.5%______________________________________
______________________________________Copper penetration(Series I/6) a b c d e______________________________________average sapwood width (mm) about 36 32 36 33 49average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 5
______________________________________14.5% of PEI ca. n = 100 9.0% of aminoethylethanolamine23.5% of cyclohexanecarboxylic acid 6.0% of K-HDO37.0% of water10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 10.0% II a) 4.5% b) 6.5% Total: 11.0% III 9.8%______________________________________
______________________________________Copper penetration(Series II/1) a b c d e______________________________________average sapwood width (mm) about 47 30 31 35 42average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 6
______________________________________15.0% of PEI ca. n = 150 5.0% of aminoethylethanolamine 5.5% of diethylenetriamine15.0% of sebacic acid 5.0% of isononanoic acid 6.0% of K-HDO38.5% of H2 O10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 9.0% II a) 5.0% b) 7.0% Total: 12.0%______________________________________ T1 -Copper penetration? -(Series II/2)? -a? b? c? d? e? -average sapwood width (mm) about 46 31 30 36 44 -average copper penetration (mm) sapwood is fully penetrated; - heartwood boundary is - reached. -
EXAMPLE 7
______________________________________14.5% of PEI ca. n = 500 9.0% of aminoethylethanolamine21.0% of 2-ethylhexanoic acid 4.0% of phthalic anhydride 6.0% of K-HDO35.5% of water10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 6.5% II a) 4.0% b) 5.5% Total: 9.5%______________________________________
______________________________________Copper penetration(Series II/3) a b c d e______________________________________average sapwood width (mm) about 46 31 33 36 41average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 8
______________________________________14.5% of PEI ca. n = 100 9.0% of aminoethylethanolamine22.5% of octanoic acid 6.0% of K-HDO38.0% of water10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 7.0% II a) 5.0% b) 7.5% Total: 12.5%______________________________________
______________________________________Copper penetration(Series II/4) a b c d e______________________________________average sapwood width (mm) about 45 32 32 34 41average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 9
______________________________________14.5% of PEI ca. n = 150 9.0% of aminoethylethanolamine27.0% of C10 -Versatic acid 6.0% of K-HDO33.5% of water10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 6.5% II a) 4.5% b) 7.5% Total: 12.0% III 9.8%______________________________________
______________________________________Copper penetration(Series II/5) a b c d e______________________________________average sapwood width (mm) about 48 33 32 34 43average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 10
______________________________________15.0% of PEI ca. n = 150 8.0% of aminoethylethanolamine23.5% of salicylic acid 6.0% of K-HDO37.5% of water10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 7.5% II a) 4.0% b) 8.0% Total: 12.0% III 9.5%______________________________________
______________________________________Copper penetration(Series II/6) a b c d e______________________________________average sapwood width (mm) about 47 32 31 35 42average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 11
______________________________________14.5% of PEI ca. n = 150 8.0% of aminoethylethanolamine26.0% of 2-ethylhexanoic acid 6.5% of K-HDO37.6% of water 7.4% of zinc oxide______________________________________
______________________________________Copper washout______________________________________ I 10.0%______________________________________
______________________________________Copper penetration(Series II/1) a b______________________________________average sapwood width (mm) about 37 31average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 12
______________________________________15.0% of PEI ca. n = 1509.0% of aminoethylethanolamine23.5% of isononanoic acid32.0% of water4.0% of boric acid6.5% of K-HDO10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 7.5% II a) 6.0% b) 8.0% Total: 14.0%______________________________________
EXAMPLE 13
______________________________________17.5% of polymine ca. n = 1505.0% of dipropylenetriamine26.0% of 2-ethylhexanoic acid21.5% of water10.0% of copper hydroxycarbonate4.0% of propiconazole12.0% of nonionic emulsifier (ethoxylated nonylphenol, about 9 ethylene oxide per phenol)4.0% of propylene glycolApplication concentration: 1.5%______________________________________
______________________________________Copper washout______________________________________ I 6.5% II a) 4.0% b) 6.0% Total: 10.0%______________________________________
______________________________________Copper penetration a b______________________________________average sapwood width (mm) about 37 40average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 14
______________________________________17.5% of PEI ca. n = 5005.0% of dipropylenetriamine20.0% of sorbic acid27.5% of water10.0% of copper hydroxycarbonate4.0% of propiconazole12.0% of nonionic emulsifier4.0% of propylene glycolApplication concentration: 1.5%______________________________________
______________________________________Copper washout______________________________________ I 8.5%______________________________________
EXAMPLE 15
______________________________________17.5% of PEI ca. n = 1505.0% of dipropylenetriamine18.0% of sebacic acid29.5% of water10.0% of copper hydroxycarbonate4.0% of propiconazole12.0% of nonionic emulsifier4.0% of propylene glycolApplication concentration: 1.5%______________________________________
______________________________________Copper washout______________________________________ I 5.3% II a) 3.2% b) 4.6% Total: 7.8%______________________________________
EXAMPLE 16
______________________________________14.5% of PEI ca. n = 1504.2% of dipropylenetriamine22.5% of isononanoic acid27.0% of benzalconium chloride (C12 -C14) (N-C12 -C14 -alkyl, N-benzyl, N,N-dimethyl- ammonium chloride)8.3% of copper hydroxycarbonate23.5% of waterApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 10.0%______________________________________
______________________________________Copper penetration a b______________________________________average sapwood width (mm) about 32 41average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 17
______________________________________8.0% of PEI ca. n = 15013.5% of isononanoic acid8.5% of dipropylenetriamine25.0% of boric acid16.0% of benzalconium chloride24.0% of water5.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 10.0% II a) 4.0% b) 6.0% Total: 10.0%______________________________________
______________________________________Copper penetration a b______________________________________average sapwood width (mm) about 42 31average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 18
______________________________________8.0% of PEI ca. n = 1505.0% of dipropylenetriamine26.0% of 2-ethylhexanoic acid21.5% of water10.0% of copper hydroxycarbonate3.0% of TBT benzoate14.0% of nonionic emulsifier3.0% of propylene glycolApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 7.5% II a) 5.0% b) 6.5% Total: 11.5%______________________________________
______________________________________Copper penetration a b______________________________________average sapwood width (mm) about 31 34average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 19
______________________________________14.5% of PEI ca. n = 1508.0% of aminoethylethanolamine25.0% of 2-ethylhexanoic acid10.0% of benzisothiazolone, sodium salt32.5% of water10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 6.5% II a) 5.0% b) 3.0% Total: 8.0%______________________________________
EXAMPLE 20
______________________________________15.0% of polymine ca. n = 5008.0% of aminoethylethanolamine22.0% of 2-ethylhexanoic acid6.0% of 2-mercaptopyridine N-oxide39.0% of water10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 9.5% II a) 6.5% b) 5.5% Total: 12.0%______________________________________
EXAMPLE 21
______________________________________15.0% of PEI ca. n = 1509.0% of aminoethylethanolamine20.0% of 2-ethylhexanoic acid10.0% of 2-hydroxypyridine N-oxide36.0% of water10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 8.5% II a) 5.0% b) 7.5% Total: 12.5%______________________________________
EXAMPLE 22
______________________________________14.5% of PEI ca. n = 50010.0% of aminoethylethanolamine20.0% of 2-hydroxypyridine N-oxide6.0% of K-HDO29.5% of water10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 9.0% II a) 7.0% b) 5.5% Total: 12.5%______________________________________
EXAMPLE 23
______________________________________14.5% of PEI ca. n = 50021.5% of isooctanoic acid7.5% of copper hydroxide35.0% of benzalconium chloride (C12 /C14)21.5% of waterApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 10.5% II a) 6.5% b) 7.0% Total: 13.5%______________________________________
______________________________________Copper penetration a b______________________________________average sapwood width (mm) about 33 37average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 24
______________________________________13.50% of PEI ca. n = 50025.75% of 2-ethylhexanoic acid7.00% of copper hydroxide11.50% of dimethylalkylamine (C12 /C14) (N-C12 -C14 -alkyl, N,N-dimethylamine)7.50% of tridemorph9.75% of ethoxylated coco fatty amine (density 0.96 g/cm3 at 50° C.)25.00% of waterApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 5.5% II a) 3.5% b) 3.5% Total: 7.0%______________________________________
EXAMPLE 25
______________________________________11.75% of PEI ca. n = 1303.25% of dipropylenetriamine22.33% of 2-ethylhexanoic acid29.33% of water6.67% of copper hydroxycarbonate10.00% of dimethylalkylamine (C12 /C14)6.67% of tridemorph10.00% of ethoxylated coco fatty amine (density 0.96 g/cm3 at 50° C.)Application concentration: 1.5%______________________________________
______________________________________Copper washout______________________________________ I 7.0% II a) 5.0% b) 4.0% Total: 9.0%______________________________________
______________________________________Copper penetration a b______________________________________average sapwood width (mm) about 36 30average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 26
______________________________________14.50% of PEI ca. n = 1508.00% of aminoethylethanolamine25.50% of 2-ethylhexanoic acid4.50% of K-HDOr37.35% of water10.00% of copper hydroxycarbonate0.15% of deltamethrin______________________________________
______________________________________Copper washout______________________________________ I 6.5% II a) 3.5% b) 4.0% Total: 8.5%______________________________________
EXAMPLE 27
______________________________________27.00% of PEI ca. n = 50033.00% of 2-ethylhexanoic acid28.75% of water11.25% of copper hydroxideApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 11.0% II a) 6.0% b) 6.5% Total: 12.5%______________________________________
______________________________________Copper penetration a b______________________________________average sapwood width (mm) about 36 32average copper penetration (mm) sapwood is fully penetrated; heartwood boundary is reached.______________________________________
EXAMPLE 28
______________________________________14.5% of PEI ca. n = 5007.0% of aminoethylethanolamine26.0% of 2-ethylhexanoic acid4.0% of N-cyclohexyl-2,5-dimethylfuran-3- hydroxamic acid, sodium salt38.5% of water10.0% of copper hydroxycarbonateApplication concentration: 2%______________________________________
______________________________________Copper washout______________________________________ I 8.5% II a) 5.0% b) 5.0% Total: 10.0%______________________________________
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