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EP1097031A1 - Agents et procede pour effectuer un traitement protecteur du bois - Google Patents

Agents et procede pour effectuer un traitement protecteur du bois

Info

Publication number
EP1097031A1
EP1097031A1 EP99926219A EP99926219A EP1097031A1 EP 1097031 A1 EP1097031 A1 EP 1097031A1 EP 99926219 A EP99926219 A EP 99926219A EP 99926219 A EP99926219 A EP 99926219A EP 1097031 A1 EP1097031 A1 EP 1097031A1
Authority
EP
European Patent Office
Prior art keywords
parts
wood
oil
tar oil
coal tar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99926219A
Other languages
German (de)
English (en)
Other versions
EP1097031B1 (fr
Inventor
Hans-Norbert Marx
Tilo Vogel
Oliver Arlt
Florian Lichtenberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lonza AG
Impragnierwerk Wuelknitz GmbH
Original Assignee
Lonza AG
Impragnierwerk Wuelknitz GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19926884A external-priority patent/DE19926884A1/de
Application filed by Lonza AG, Impragnierwerk Wuelknitz GmbH filed Critical Lonza AG
Priority to SI9930500T priority Critical patent/SI1097031T1/xx
Publication of EP1097031A1 publication Critical patent/EP1097031A1/fr
Application granted granted Critical
Publication of EP1097031B1 publication Critical patent/EP1097031B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/34—Organic impregnating agents
    • B27K3/44—Tar; Mineral oil
    • B27K3/46—Coal tar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/34—Organic impregnating agents
    • B27K3/50—Mixtures of different organic impregnating agents

Definitions

  • the present invention relates to means based on coal tar oil for the protective treatment of wood. It further relates to a method for the protective treatment of wood using the agents according to the invention.
  • coal tar oil to protect wood against putrefaction and insect attack has been known since the mid-19th century and has been used up to the present time to preserve masts, fences, sleepers, etc.
  • this form of application did not lead to the desired results, so that the majority of tar oils continued to be used in the undiluted state.
  • homoogenization analogous to the method used for milk
  • specially adapted dispersing devices e.g.
  • a disadvantage of this known process is the fact that the emulsions are relatively unstable and that the effective proportion of coal tar is reduced by the proportion of water and the emulsifier (s) by the emulsion, so that the amount introduced must be increased by one to ensure effective and lasting protection.
  • the object of the present invention was therefore to eliminate or to reduce the disadvantages of the known production processes and applications of tar oil emulsions. According to the invention, this object is achieved by the means according to claim 1 and the treatment method according to claim 6.
  • biocidally active quaternary ammonium compounds optionally with the use of polar solvents such as glycol derivatives, stable emulsions and microemulsions of coal tar oil in water can be prepared by simple stirring without special apparatus requirements.
  • polar solvents such as glycol derivatives
  • stable emulsions and microemulsions of coal tar oil in water can be prepared by simple stirring without special apparatus requirements.
  • the biocidal effect of the quaternary ammonium compounds not only compensates for the dilution of the tar oil, it also shows - and this was not to be expected - that the depth of penetration and the spectrum of activity are significantly higher than that of the pure undiluted tar oil.
  • the agents according to the invention contain at least the following components: a) 5-90 parts, preferably 10-90 parts, coal tar oil b) 2-20 parts of a biocidal quaternary ammonium compound c) 10-90 parts water.
  • Suitable biocidal quaternary ammonium compounds are, for example:
  • the salts of other inorganic acids or organic carboxylic acids may also be present, e.g. B. acetate, propionate, sulfate etc.
  • the wood can have a higher moisture content than is possible when using the pure tar oil.
  • the drying time and the drying energy for the raw wood e.g. B. thresholds and masts, significantly lower.
  • the pungent smell of coal tar oil is particularly by two- and trinuclear aromatics, for. B. naphthalene and alkylnaphthalenes. These can only be partially removed by distillation, since after they have been completely removed, a tar oil with a viscosity which is too high and cannot be handled even at 100-120 ° C is formed. Due to the nature of their preparation, the agents according to the invention also allow the use of more viscous and thus highly deodorized tar oils, which also means the use of coal tar oil in sensitive areas, e.g. B. thresholds for subways, made easier or possible at all.
  • the agents according to the invention for improving the (storage) stability preferably also contain up to 20 parts of a polyglycol compound.
  • a polyglycol compound include, for example, polyethylene glycols and polypropylene glycols, as well as their alkyl and aryl ethers and esters.
  • Polyethylene glycol compounds such as polyethylene glycol, ethoxylated phenols and diethylene glycol monobutyl ether are particularly preferred.
  • the agents according to the invention can contain, for example, the following substances:
  • These preferably contain one or more constituents from the group of the resins, binders, waxes, dyes and pigments.
  • binders are alkyd resins and similar resins based on natural oils such as linseed oil or soybean oil, in particular those which are water-soluble or water-dilutable by reaction with ethylene oxide or propylene oxide.
  • the agents according to the invention preferably additionally contain an effective amount of one or more insecticides, fungicides, algicides or bactericides.
  • one or more of the following active ingredients can be included:
  • Chlorinated phenols e.g. B. tetra and pentachlorophenol
  • Dimethylalkylamine salts Dithiocarbamates, metal and amine salts
  • 2-N-octyl-4-isothiazolin-3-one organotin compounds e.g. B. tributyltin oxide and tributyltin benzoate
  • the surfaces of the treated wood can be improved mechanically and optically, combined with a further reduction in mobility (washing out and bleeding) of the coal tar oil.
  • the systems according to the invention can furthermore be modified solely by adding dyes or pigments such that the treated wood can be colored.
  • waxes it is possible to achieve a matt finish on the surfaces of the treated wood, combined with a strong water-repellent effect, which reduces the absorption of dripping water without hindering the moisture exchange via the vapor phase.
  • the preparations according to the invention are produced, for example, as follows:
  • (LI) 2-20 parts of cationic surfactant, e.g. N, N-didecyl-N-methyl-N-poly (oxethyl) ammonium propionate, added and until
  • glycol derivative e.g. B. diethylene glycol monobutyl ether
  • Emulsion stirred Emulsion stirred.
  • This preparation forms stable, milky (opaque) or clear mixtures with low viscosity, which are introduced into the wood with good penetration without a temperature increase using a boiler pressure process (application of vacuum and pressure) can.
  • the amount required for comprehensive protection of the wood is 20-80 kg / m 3 wood.
  • the agents according to the invention are preferably used in vacuum boiler pressure systems in such a way that the agents are introduced into the wood to be protected by means of pressure differences.
  • the process steps include a fore-vacuum phase, a flood phase while maintaining the vacuum, and a pressure phase. If necessary, the process is completed with a final vacuum.
  • the mass of protective agent introduced is checked by weighing. In the case of easily impregnable woods or types of wood, the water content in the compositions can be increased even further compared to the examples.
  • the impregnation is preferably carried out without the addition of heat, that is to say approximately at ambient temperature. As far as necessary, the water introduced into the wood with the agents can pass through
  • the agents according to the invention are distinguished by the following advantages compared to coal tar oil:
  • coal tar oil 10 parts N-cocoalkyl-N, N-dimethyl-N-benzylammonium chloride 10 parts polyethylene glycol (MW approx. 300) 30 parts water
  • Coal tar oil is set to 100% in its biological effect.
  • N, N-didecyl-N-methyl-N-poly (oxethyl) ammonium lactate 4 parts nonylphenol ethoxylate (approx. 14 EO groups)
  • Pigment paste obtained by rubbing transparent iron oxide red in polyethylene glycol (MW approx. 300)
  • a concentrate was produced according to the following recipe:
  • the concentrate thus obtained was diluted with water in a ratio of 1: 9 to give the ready-to-use emulsion.
  • a concentrate was produced according to the following recipe:
  • a concentrate was produced according to the following recipe:
  • binder prepared by heating 85 parts of polybutadiene oil and 5 parts of maleic acid to 150 ° C. and then esterifying with 10 parts of polyethylene glycol (10 EO groups) at 150 ° C. 1 part of oil-soluble dye
  • the concentrate thus obtained was diluted with water in a ratio of 1: 9 to give the ready-to-use emulsion.
  • a concentrate was produced according to the following recipe:
  • the concentrate thus obtained was diluted with water in a ratio of 1: 9 to give the ready-to-use emulsion.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

L'invention concerne des agents pour traiter le bois afin de le protéger contre la putréfaction et l'attaque des insectes. Ces agents contiennent au moins les constituants suivants: a) 10 à 90 parties d'huile de goudron de houille, b) 2 à 20 parties d'un composé d'ammonium quaternaire à action biocide, c) 10 à 90 parties d'eau. Ces agents se présentent sous la forme d'émulsions stables, faciles à produire, qui se distinguent entre autres par un bon pouvoir de pénétration, une forte réduction des odeurs des bois traités, l'absence de concentrations gênantes d'huile de goudron à la surface, et une réduction importante de l'exsudation du bois traité à des températures estivales, un accroissement important de leur efficacité en dépit d'une teneur réduite en huile de goudron de houille et une réduction de la toxicité par rapport à l'huile de goudron de houille pure.
EP99926219A 1998-07-12 1999-07-02 Agents et procede pour effectuer un traitement protecteur du bois Expired - Lifetime EP1097031B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9930500T SI1097031T1 (en) 1998-07-12 1999-07-02 Agents and method for the protective treatment of wood

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19831036 1998-07-12
DE19831036 1998-07-12
DE19926884A DE19926884A1 (de) 1998-07-12 1999-06-12 Mittel und Verfahren zur Schutzbehandlung von Holz
DE19926884 1999-06-12
PCT/CH1999/000288 WO2000002716A1 (fr) 1998-07-12 1999-07-02 Agents et procede pour effectuer un traitement protecteur du bois

Publications (2)

Publication Number Publication Date
EP1097031A1 true EP1097031A1 (fr) 2001-05-09
EP1097031B1 EP1097031B1 (fr) 2003-11-05

Family

ID=26047351

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99926219A Expired - Lifetime EP1097031B1 (fr) 1998-07-12 1999-07-02 Agents et procede pour effectuer un traitement protecteur du bois

Country Status (19)

Country Link
EP (1) EP1097031B1 (fr)
AT (1) ATE253438T1 (fr)
AU (1) AU759694B2 (fr)
BR (1) BR9912049B1 (fr)
CA (1) CA2336931C (fr)
CZ (1) CZ299917B6 (fr)
DE (1) DE29923154U1 (fr)
DK (1) DK1097031T3 (fr)
EE (1) EE04793B1 (fr)
ES (1) ES2211097T3 (fr)
HU (1) HU229630B1 (fr)
IL (1) IL140666A0 (fr)
NO (1) NO323895B1 (fr)
NZ (1) NZ509289A (fr)
PL (1) PL191467B1 (fr)
PT (1) PT1097031E (fr)
SK (1) SK285573B6 (fr)
TR (1) TR200100041T2 (fr)
WO (1) WO2000002716A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1998943A4 (fr) * 2006-03-18 2011-06-15 Jape Produkter Ab Protection contre les moisissures sur le bois non traité

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040146733A1 (en) * 2001-04-03 2004-07-29 Joachim Fritschi Method for the protective treatment of wood and derived timber products
DE10129749B4 (de) * 2001-06-20 2005-11-03 Steffen, Günter Verfahren zur Herstellung eines eine wasserlösliche Holzschutzlasur und ein algizides Mittel aufweisenden Holzschutzmittels
EP1405563A1 (fr) 2001-07-10 2004-04-07 Yoshimatsu, Michiharu Solution aqueuse de goudron et revetement contenant du goudron
DE10341883B4 (de) * 2003-09-09 2006-11-02 Carl Berninghausen Verwendung eines Imprägniermittels zur Holzschutzbehandlung
MX2022003773A (es) * 2019-10-08 2022-04-25 Swimc Llc Tinte de madera a base de agua sin lapeado.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5672902A (en) * 1979-11-19 1981-06-17 Katayama Chemical Works Co High permeable kyanizing insecticide of creosote oil
AU604471B2 (en) * 1985-12-17 1990-12-20 Commonwealth Scientific And Industrial Research Organisation Preservative composition
DE3811199A1 (de) * 1988-04-01 1989-10-19 Mueller Bauchemie Holzschutzmittel
GB8908794D0 (en) * 1989-04-19 1989-06-07 Janssen Pharmaceutica Nv Synergistic compositions containing propiconazole and tebuconazole
DE4117844A1 (de) * 1991-05-31 1992-12-03 Basf Ag Waessrige traenkharzloesungen
DE19528095A1 (de) * 1995-08-01 1997-02-06 Total Deutschland Gmbh Zubereitung auf der Basis eines speziellen Steinkohlenteeröls und einer Mineralölfraktion sowie deren Verwendung

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"RÖMPP LEXIKON CHEMIE", vol. 2.0, 1999, GEORG THIEME VERLAG, STUTTGART, article "Kreosot", XP002968672
BUDAVARI S. ET AL: "THE MERCK INDEX - AN ENCYCLOPEDIA OF CHEMICALS, DRUGS, AND BIOLOGICALS", 1996, MERCK & CO., INC., WHITEHOUSE STATION, NJ, article "1086: Benzalkonium Chloride", pages: 177, XP002968671
GREAVES H. ET AL: "Improved PEC Preservatives with Added Biocides", THE INTERNATIONAL RESEARCH GROUP ON WOOD PRESERVATION - SIXTEENTH ANNUAL MEETING, 12 May 1985 (1985-05-12) - 17 May 1985 (1985-05-17), BRAZIL, pages 1 - 7, XP002968669
HOPKINS K.W.: "CHEMICAL INFORMATION HANDOUT", article "Quatramine, Steeley Chemicals", pages: 1 - 4, XP002968670

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1998943A4 (fr) * 2006-03-18 2011-06-15 Jape Produkter Ab Protection contre les moisissures sur le bois non traité

Also Published As

Publication number Publication date
PT1097031E (pt) 2004-03-31
DK1097031T3 (da) 2004-02-23
AU759694B2 (en) 2003-04-17
NZ509289A (en) 2003-05-30
HUP0102995A3 (en) 2003-01-28
HU229630B1 (en) 2014-03-28
PL345611A1 (en) 2002-01-02
CA2336931A1 (fr) 2000-01-20
IL140666A0 (en) 2002-02-10
NO323895B1 (no) 2007-07-16
ES2211097T3 (es) 2004-07-01
CA2336931C (fr) 2008-09-16
AU4356699A (en) 2000-02-01
PL191467B1 (pl) 2006-05-31
SK20352000A3 (sk) 2001-05-10
DE29923154U1 (de) 2000-03-30
NO20010183L (no) 2001-02-13
EP1097031B1 (fr) 2003-11-05
CZ200140A3 (cs) 2002-01-16
TR200100041T2 (tr) 2001-07-23
EE04793B1 (et) 2007-04-16
ATE253438T1 (de) 2003-11-15
NO20010183D0 (no) 2001-01-11
BR9912049A (pt) 2001-04-03
EE200100024A (et) 2002-06-17
BR9912049B1 (pt) 2010-06-01
CZ299917B6 (cs) 2008-12-29
SK285573B6 (sk) 2007-04-05
HUP0102995A2 (hu) 2001-11-28
WO2000002716A1 (fr) 2000-01-20

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