CN102814848A - Copper azole wood preservative and preparation method thereof - Google Patents
Copper azole wood preservative and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to a copper azole wood preservative and a preparation method thereof. The preservative comprises the following components in percentage by weight: 20-31% of copper, 40-61% of monoethanolamine, 5.2-19% of ammonia, 0.25-1.2% of triazole compound, 4-11% of organic solvent and 2.5-6% of surfactant and the balance of water. The preservative provided by the invention not only has favorable anticorrosion and vermin-proof properties for outdoor and indoor wood and bamboo, but also has the advantages of low corrosivity for metal, high stability, strong loss resistance, low consumption and low cost; and the method is simple and practical, does not need heating in the preparation process, and has the advantage of low production cost.
Description
Technical field
The present invention relates to one type of copper azole wood anticorrisive agent and preparation method thereof, and the application in the preservative treatment of wood (bamboo) material.
Background technology
The wood preservation chemicals treatment can improve the endurance quality of timber.Compare with traditional timber anticorrisive agent CCA (chromated copper arenate), the more environmental protection of copper azole anticorrisive agent is compared with the ACQ anticorrisive agent, and it is lower that the copper azoles is handled dosage, and cost is more cheap.Gareth Williams has introduced the preparation that consists of copper, Tebuconazole, amido alcohol and has been used for timber preservative in United States Patent (USP) RE36798 in 2000, copper combines with the form of amido alcohol with complex compound in the preparation.Reimer Goettsche has introduced copper, Cyproconazole, amido alcohol, surfactant/contain phosphonium compounds in United States Patent (USP) 6441016B2 in 2002 preparation is used for wood preservation, wherein copper 2.5-45%, Cyproconazole 0.5-15%, amido alcohol 5-50%, surfactant 0.5-30%.But in this copper triazole preparation, the solubility of triazole in water is minimum, easily deposition.
The timber that under outdoor conditions, uses, the fixation performance of its active ingredient in timber is the key factor of its antiseptic insect-repelling effect of decision behind the copper anticorrisive agent processing timber.INST OF WOOD INDUDTRY CHINESE reports that in ZL200310124153.9 the weight of copper triazole timber preservative forms as follows: copper 16-31%, triazole 0.7-6%, boride (with boric acid calculating) 0-26%, alcohols 4-6%, ammonia 0-47%, amido ethanol 6-60%, quaternary surfactant 1-4%, phosphate 0-1%, wherein ammonia and phosphatic content are not 0 simultaneously.Copper in the anticorrisive agent is bivalent cupric ion, comprising: copper sulphate, verdigris, copper chloride, cupric oxide or Kocide SD.Adopt amino moiety in the preparation or substitute monoethanolamine fully, perhaps add the carbamate additives for low phosphorus hydrochlorate and can improve the fixation rate of copper in timber, increase the endurance quality of timber.Although fixation performance and the open-air endurance quality of copper in timber increased after this anticorrisive agent was handled timber; But the large percentage of triazole and copper causes the use amount of triazole higher; Cost is high; Adopt amino moiety or substitute this anticorrisive agent of monoethanolamine fully, add the deficiency that there is the preparation stability difference in the carbamate additives for low phosphorus hydrochlorate and produces deposition in addition the increase of corrosion of metal property.
Summary of the invention
The purpose of this invention is to provide a kind of copper azole wood anticorrisive agent and preparation method thereof, this anticorrisive agent decapacitation has outside the good antiseptic insect-repelling performance outdoor and indoor wooden bamboo wood, also has corrosion of metal property low; Good stability; Anti-current is lost strong, the little and low advantage of cost of use amount, and this method has simple and practical; Need not to add hot preparation, the advantage that production cost is low.
For this reason, the weight percent of each component is formed and to be in the copper azole wood anticorrisive agent of the present invention: copper 20-31%, monoethanolamine 40-61%, ammonia 5.2-19%, triazole class compounds 0.25-1.2%, organic solvent 4-11%, surfactant 2.5-6%, all the other are water.Described copper is cupric salt, is selected from verdigris, copper acetate.Described triazole class compounds is at least a following compound that is selected from: Cyproconazole, own azoles alcohol, fluorine ring azoles, Triadimenol; The ratio of described copper and Cyproconazole, own azoles alcohol, fluorine ring azoles, Triadimenol is between 80:1 and 60:1.Described triazole class compounds is propiconazole and Tebuconazole mixture.The ratio of described copper and propiconazole and Tebuconazole sum is between 30:1 and 20:1, and the proportion of propiconazole and Tebuconazole is between the 1:0.8 to 1:1.2.Described organic solvent is a kind of in xylenes, toluene, glycerine, the methyl alcohol or several mixing.Described surfactant is a kind of in alkylaryl polyoxyethylene groups ether, aliphatic alcohol polyethenoxy base ether, alkylnaphthalene sulfonate, lignosulfonates, the didecyl dimethyl oxidation ammonium or several mixing.。
Prepare the method for copper azole wood anticorrisive agent, comprising:
(1) prepares triazole solution earlier: the triazole class compounds of aequum is dissolved at least a organic solvent, adds at least a surfactant, it is dissolved fully, process triazole solution;
When (2) preparing copper amine (ammonia) complex compound, add entry in the agitated reactor earlier, add mantoquita fast; Stir, slowly add the ammoniacal liquor of monoethanolamine and 20% again, the limit edged stirs; Control adding speed prevents to react the ejection of vigorous reaction liquid, after mantoquita dissolves fully, is cooled to 50-80 ℃;
(3) add triazole solution in last copper amine (ammonia) complex compound, stir, process the copper azole wood anticorrisive agent.
At least the glycerine that contains the 20-30% that accounts for weight of solvent in the described organic solvent.
Preparation of the present invention has following advantage:
(1) anticorrisive agent reduces the corrosion of metal performance.Copper is cupric salt in the preparation, is selected from verdigris, copper acetate, and they are weak acid copper, and the corrosion of metal performance is reduced greatly.
(2) added alkylaryl polyoxyethylene groups ether, aliphatic alcohol polyethenoxy base ether, amine-oxides etc. in the preparation as surfactant, compared with the original surface activating agent, better having improved stability of formulation can; No phosphate does not have boron yet in the preparation, has reduced the preparation unstability and has produced the risk that precipitates, and anticorrisive agent is placed did not have any deposition generation in 3 years yet.
(3) the present invention has reduced the ratio of triazole and copper and the use amount of triazole class compounds significantly when guaranteeing the antiseptic insect-repelling performance, has reduced manufacturing cost, has increased the kind of triazole.
(4) restriction of the proportion of ammonia and monoethanolamine and definite in the preparation of the present invention; Guaranteed that preparation does not have the taste of ammonia in use; Preparation instability generation deposition and the risk higher have also been reduced to metal protection; Also guarantee its copper and triazole when outdoor application resistance leachability can, fixation rate is in higher scope.
(5) preparation is during preparation, and the mixed solvent of glycerine that accounts for the 20-30% of weight of solvent is compared with single solvent, at higher copper medicine carrying amount 3.19kg/m
3(triazole medicine carrying amount respectively is 0.0637 kg/m
3) time, the resistance leachability that can improve triazole can (representing with fixation rate).
In addition, preparation technology of the present invention, order and time through the control reaction raw materials adds, make full use of the heat that anti-raw material should produce, do not need other heating in the whole production engineering.
The present invention compares with the known like product of prior art, and composition of the present invention has the following advantages:
(1) composition of the present invention is lower to corrosion of metal property;
When (2) preparing said composition, do not need heating, utilize the heat of reaction itself to discharge;
(3) has the high and low advantage of use amount of drug effect because of the present composition; Therefore processing cost is low; Product after handling is when (C3 service rating) used in outdoor ground, and the processing cost and the CCA of medicament are suitable, have only the 25-30% of environmental friendly, anti-corrosive agent ACQ processing cost;
(4) stability of composition of the present invention is good, places and does not still have layering or deposited phenomenon in 36 months;
(5) resistance leachability of the present composition can be better, and the antiseptic insect-repelling that is specially adapted to outdoor and indoor wooden bamboo wood is handled.
Said composition can be used for the processing of indoor and outdoor with wooden bamboo wood or Bamboo and wood product; Described processing method is to adopt wooden bamboo wood or Bamboo and wood product vacuum pressed or normal pressure dipping method, can make wooden bamboo wood or Bamboo and wood product after the processing have the performance of good anticorrosion and insect protected.
The specific embodiment
Embodiment 1: preparation 1:
Copper 23.3%, propiconazole 0.48%, Tebuconazole 0.49%,, normal propyl alcohol 5.0%, glycerine 2.6%, monoethanolamine 53.2%, ammonia 9.6%, NPE 2.5% and didecyl dimethyl oxidation ammonium 1.8%, all the other are water.
The preparation method of preparation 1:
2.0g 95% propiconazole and 2.0g 97% Tebuconazole are dissolved in 20g normal propyl alcohol and the 10g glycerine, add 10g NPE surfactant and 10g 70% didecyl dimethyl oxidation ammonium, make solution A; 175g verdigris (copper content 54.5%); After adding 365g water; Add 210g 99.5% monoethanolamine and add 25% ammoniacal liquor 150g; After verdigris dissolves fully, mix, promptly make the preparation 1 (being called for short CuPT-A) of 10.4% (in copper, propiconazole, Tebuconazole sum) with the above-mentioned solution A that makes.
Embodiment 2: preparation 2:
Copper 24.7%, propiconazole 0.49%, Tebuconazole 0.50%,, normal propyl alcohol 7.7%, monoethanolamine 54.2%, ammonia 9.7%, AEO MOA-9 2.6%, all the other are water.
The preparation method of preparation 2:
2.0g 95% propiconazole and 2.0g 97% Tebuconazole are dissolved in the 30g normal propyl alcohol, add 10g AEO MOA-9, make solution A; The 175g verdigris; After adding 375g water, add the 210g monoethanolamine and add 25% ammoniacal liquor 150g, after verdigris dissolves fully; Mix with the above-mentioned solution A that makes, promptly make the preparation 2 (being called for short CuPT-B) of 10.4% (in copper, propiconazole, Tebuconazole sum).
Embodiment 3: preparation 3:
Copper 27.0%, Cyproconazole 0.39%, normal propyl alcohol 6.5%, glycerine 1.7%, monoethanolamine 42.5%, ammonia 17.8%, AEO MOA-9 2.0%, didecyl dimethyl oxidation ammonium 2.0%, all the other are water.
The preparation method of preparation 3:
1.45g 95% Cyproconazole is dissolved in 24g normal propyl alcohol and the 6g glycerine, adds 7g AEO MOA-9 and 10g 70% didecyl dimethyl oxidation ammonium, makes solution B; The 175g verdigris; After adding 330g water, add the 150g monoethanolamine and add 25% ammoniacal liquor 250g, after verdigris dissolves fully; Mix with the above-mentioned solution B that makes, promptly make the preparation 3 (being called for short CuCy) of 10.1% (in copper, Cyproconazole sum).
Performance test explanation of the present invention:
1, the metal erosion performance of preparation 2
With reference to AWPA E17-99, the clean metal test specimen, wiped clean, oven dry is suspended in after weighing in the glass jar that 400mL test medicament is housed, and regularly cleans and weighs, and test was soaked 30 days altogether.Go out medicament to the corrosion of metal rate according to AWPA E17-99 criterion calculation again.The result sees table 1.2 pairs of Q235A steel corrosions of preparation rate is 0 in the table 1, and the rate of corrosion of 2 pairs of red coppers of low concentration preparation also is lower than ACQ.Compare with the result of table 2 among the document IRG/WP 06-40329,2 pairs of Q235A steel of preparation and red copper rate of corrosion are all lower than ACQ and each preparation of copper azoles.
The rate of corrosion of 2 pairs of Q235A steel of table 1 preparation and red copper
2, the resistance leachability ability of the active ingredient behind preparation 1,2 and the 3 processing timber
Test method is with reference to the method for AWPA E11-2006, the different treated timber of inhaling doses, and gas was done after 21 days, carried out indoor current and lost test, and sample is divided into groups with distilled water immersion 14 days, refreshed the water periodically and collected leachate.With the concentration of copper in the Atomic Absorption Spectrometer measurement leachate, calculate the fixation rate of medicament again according to AWPA E11-97 standard.
The resistance leachability of copper can the result be seen table 2 in the medicament.In the table 2,, there is the fixation rate of preparation copper of glycerine on the low side for the CuPT preparation; When copper suction dose was suitable, the fixation rate of copper was suitable behind the examination material that preparation 1,2 and ACQ-B handle.The fixation rate influence of same preparation copper when different medicine carrying amount is not obvious.
The resistance leachability ability of copper in table 2 medicament
The resistance leachability of triazole can the result be seen table 3 in the medicament.In the table 3,, wherein do not add glycerine, at higher copper medicine carrying amount 2.14kg/m for preparation 2
3(triazole medicine carrying amount respectively is 0.043 kg/m
3) time, the fixation rate of triazole is 72.5-74.0%, has the preparation 1 of glycerine on the low side; The fixation rate of all the other medicine carrying amount Tebuconazoles, propiconazole all is close to or higher than 90%; For preparation 3, the fixation rate of Cyproconazole when two medicine carrying amounts all is lower than 80%.
The resistance leachability ability of triazole in table 3 medicament
3, the bacteriostasis property of triazole
Test method: with whiterot fungi (Trametes versicolor (L. ex Fr.) Pilat; Be called for short TV) and brown rot fungus (Gloeophyllum trabeum (Pers. ex Fr.) Murr.; Be called for short GT) be the foxiness bacterial classification, with reference to Pharmacopoeia of People's Republic of China--and the antibiotic microorganism determination method, potato dextrose agar (PDA) is a culture medium; Triazole is prepared with 50% ethanol, and 50% ethanol is used in contrast.Contrast is to test bacterial classification non-activity, and triazole is to TV inhibition zone result of the test table 4, and own azoles alcohol, fluorine ring azoles, Triadimenol are suitable to TV bacteriostatic activity and Cyproconazole.In the table 4 all triazoles in the 0.01-0.1% concentration range to GT inhibition zone pilot diameter all greater than 64 mm, explain that they are all better to the inhibition effect of GT bacterium.
Table 4 pair TV inhibition zone result of the test (diameter, mm)
4, the laboratory antiseptic property of preparation 2 and 3 processing timber in the application implementation example 2,3
Test method: with whiterot fungi (Trametes versicolor (L. ex Fr.) Pilat; Be called for short TV) and brown rot fungus (Gloeophyllum trabeum (Pers. ex Fr.) Murr.; Be called for short GT) be the foxiness bacterial classification; Adopt the method for industry standard LY/T1283-1998 " timber preservative is to rot fungi toxicity test chamber test method " to experimentize, experimental result is seen table 5, contrasts the sample (down together) into not handling with anticorrisive agent.
The laboratory antiseptic property of table 5 chemicals treatment timber
5, application preparation 2 and 3 is handled the open-air endurance quality of timber
The open-air long duration test result that preparation 2 is handled the examination material sees table 6, and the open-air long duration test result that CuCy handles sees table 7.
The data of table 6 show that in field test site, Beijing, the untreated control test specimen buried ground after 2 years, and test specimen is all rotten, but do not have the erosion of termite moth.Bury ground after 2 years in field test place, Guangzhou untreated control, test specimen is all rotten or by the erosion of termite moth; Each the rotten and termite-proof moth erosion of corrosion resistant index of handling test specimen is 10.
Table 7 is visible, contact (C4.1 uses classification) under the service condition outdoor with ground, and for respectively processing of CuCy, reasonable medicine carrying amount is positioned at 1.8-3.6 kg/m
3Between.But in the very serious area of termite damage, CuCy medicine carrying amount; 3.6 kg/m
3Be recommended as the reasonable medicine carrying amount that C4.1 uses classification.
The intact value of ground test sample is buried in table 6 preparation 2 fields
Table 7 CuCy buries in the field the intact value of ground test sample
Claims (10)
1. copper azole wood anticorrisive agent is characterized in that:
The weight percent of each component is in this anticorrisive agent: copper 20-31%, monoethanolamine 40-61%, ammonia 5.2-19%, triazole class compounds 0.25-1.2%, organic solvent 4-11%, surfactant 2.5-6%, all the other are water.
2. by the described copper azole wood anticorrisive agent of claim 1, it is characterized in that: described copper is cupric salt, is selected from verdigris, copper acetate.
3. by the described copper azole wood anticorrisive agent of claim 1, it is characterized in that: described triazole class compounds is at least a following compound that is selected from: Cyproconazole, own azoles alcohol, fluorine ring azoles, Triadimenol.
4. by the described copper azole wood anticorrisive agent of claim 3, it is characterized in that: the ratio of described copper and Cyproconazole, own azoles alcohol, fluorine ring azoles, Triadimenol is between 80:1 and 60:1.
5. by the described copper azole wood anticorrisive agent of claim 1, it is characterized in that: described triazole class compounds is propiconazole and Tebuconazole mixture.
6. by the described copper azole wood anticorrisive agent of claim 5, it is characterized in that: the ratio of described copper and propiconazole and Tebuconazole sum is between 30:1 and 20:1, and the proportion of propiconazole and Tebuconazole is between the 1:0.8 to 1:1.2.
7. by the described copper azole wood anticorrisive agent of claim 1, it is characterized in that: described organic solvent is a kind of in xylenes, toluene, glycerine, the methyl alcohol or several mixing.
8. by the described copper azole wood anticorrisive agent of claim 1, it is characterized in that: described surfactant is a kind of in alkylaryl polyoxyethylene groups ether, aliphatic alcohol polyethenoxy base ether, alkylnaphthalene sulfonate, lignosulfonates, the didecyl dimethyl oxidation ammonium or several mixing.
9. method for preparing the described copper azole wood anticorrisive agent of claim 1 is characterized in that: comprises,
(1) prepares triazole solution earlier: the triazole class compounds of aequum is dissolved at least a organic solvent, adds at least a surfactant, it is dissolved fully, process triazole solution;
When (2) preparing copper amine (ammonia) complex compound, add entry in the agitated reactor earlier, add mantoquita fast; Stir, slowly add the ammoniacal liquor of monoethanolamine and 20% again, the limit edged stirs; Control adding speed prevents to react the ejection of vigorous reaction liquid, after mantoquita dissolves fully, is cooled to 50-80 ℃;
(3) add triazole solution in last copper amine (ammonia) complex compound, stir, process the copper azole wood anticorrisive agent.
10. by the described method of claim 9, it is characterized in that: the glycerine that contains the 20-30% that accounts for weight of solvent in the described organic solvent at least.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712876A (en) * | 2013-12-20 | 2014-04-09 | 南京工业大学 | Method for rapidly evaluating natural corrosion resistance of common structural wood for wood building based on wood chemical component parameters |
| CN104085009A (en) * | 2014-06-11 | 2014-10-08 | 马鞍山市海滨水产品生态养殖专业合作社 | Easy-to-seep anti-erosion modification treatment agent for wood floor timber |
| CN104972533A (en) * | 2015-06-11 | 2015-10-14 | 李金新 | Copper triazole wood antiseptic agent and preparation method thereof |
| CN106003312A (en) * | 2016-08-04 | 2016-10-12 | 中国林业科学研究院木材工业研究所 | Wood bamboo material corrosion and discoloration prevention triazole composition and preparation method thereof |
| CN107283572A (en) * | 2017-08-25 | 2017-10-24 | 太仓优活生物技术有限公司 | A kind of organic solvent type timber preservative |
| CN108407003A (en) * | 2018-03-19 | 2018-08-17 | 浙江省林业科学研究院 | A kind of hot method for anticorrosion treatment of timber oil |
| CN110545669A (en) * | 2016-12-16 | 2019-12-06 | 科佩斯性能化学股份有限公司 | wood preservative and production method thereof |
| CN114701029A (en) * | 2022-04-18 | 2022-07-05 | 中山市伍氏大观园家具有限公司 | Pretreatment process of rosewood |
| CN115416122A (en) * | 2022-08-25 | 2022-12-02 | 中国林业科学研究院木材工业研究所 | Preservative based on wood weak phase structure protection, preparation method and application |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5635217A (en) * | 1991-04-18 | 1997-06-03 | Dr. Wolman Gmbh | Wood preservatives |
| CN1633853A (en) * | 2003-12-31 | 2005-07-06 | 中国林业科学研究院木材工业研究所 | Novel copper and triazole antiseptics for wood |
-
2012
- 2012-09-06 CN CN201210326864.3A patent/CN102814848B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5635217A (en) * | 1991-04-18 | 1997-06-03 | Dr. Wolman Gmbh | Wood preservatives |
| CN1633853A (en) * | 2003-12-31 | 2005-07-06 | 中国林业科学研究院木材工业研究所 | Novel copper and triazole antiseptics for wood |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712876A (en) * | 2013-12-20 | 2014-04-09 | 南京工业大学 | Method for rapidly evaluating natural corrosion resistance of common structural wood for wood building based on wood chemical component parameters |
| CN104085009A (en) * | 2014-06-11 | 2014-10-08 | 马鞍山市海滨水产品生态养殖专业合作社 | Easy-to-seep anti-erosion modification treatment agent for wood floor timber |
| CN104085009B (en) * | 2014-06-11 | 2016-05-04 | 马鞍山市海滨水产品生态养殖专业合作社 | A kind of timber floor timber loses modification agent with easily oozing anti-current |
| CN104972533A (en) * | 2015-06-11 | 2015-10-14 | 李金新 | Copper triazole wood antiseptic agent and preparation method thereof |
| CN106003312A (en) * | 2016-08-04 | 2016-10-12 | 中国林业科学研究院木材工业研究所 | Wood bamboo material corrosion and discoloration prevention triazole composition and preparation method thereof |
| CN110545669A (en) * | 2016-12-16 | 2019-12-06 | 科佩斯性能化学股份有限公司 | wood preservative and production method thereof |
| CN107283572A (en) * | 2017-08-25 | 2017-10-24 | 太仓优活生物技术有限公司 | A kind of organic solvent type timber preservative |
| CN108407003A (en) * | 2018-03-19 | 2018-08-17 | 浙江省林业科学研究院 | A kind of hot method for anticorrosion treatment of timber oil |
| CN114701029A (en) * | 2022-04-18 | 2022-07-05 | 中山市伍氏大观园家具有限公司 | Pretreatment process of rosewood |
| CN115416122A (en) * | 2022-08-25 | 2022-12-02 | 中国林业科学研究院木材工业研究所 | Preservative based on wood weak phase structure protection, preparation method and application |
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