CN103302710A - Method for preparing wood nano composite preservative - Google Patents
Method for preparing wood nano composite preservative Download PDFInfo
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- CN103302710A CN103302710A CN2013102037699A CN201310203769A CN103302710A CN 103302710 A CN103302710 A CN 103302710A CN 2013102037699 A CN2013102037699 A CN 2013102037699A CN 201310203769 A CN201310203769 A CN 201310203769A CN 103302710 A CN103302710 A CN 103302710A
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Abstract
The invention discloses a method for preparing a wood nano composite preservative, and relates to a method for preparing a wood preservative. By the method, the problems of large harm to the environment, low permeability and low flowing loss resistance of the conventional wood preservative are solved. The preparation method comprises the following steps of: 1, putting copper oxide powder body and zinc oxide powder body into a grinding cylinder of an accurate grinding nano ball grinder, and then adding ammonium citrate serving as a dispersing agent and a NaOH aqueous solution for adjusting the pH value of deionized water by NaOH into the grinding cylinder of the accurate grinding nano ball grinder; 2, putting a zirconium oxide small ball serving as a grinding medium into the grinding cylinder of the accurate grinding nano ball grinder for grinding to obtain a suspension liquid; and 3, taking out the suspension from the grinding cylinder of the accurate grinding nano ball grinder, and performing ultrasonic dispersion on the suspension to obtain the wood nano composite preservative. The method can be used for preparing the wood nano composite preservative.
Description
Technical field
The present invention relates to a kind of preparation method of timber preservative.
Background technology
Timber is the biomaterial of natural reproducible, and its development and utilization meets environmental protection requirement, but one of its major defect is the infringement that is subjected to microorganism etc. easily, thereby influences its use.In order to realize that timber can satisfy the requirement of long-term use, just be necessary to use anticorrisive agent to handle to resist the infringement of giving birth to biologies such as eating into wooden animal, beetle and microorganism from fungi, termite, sea to wooden resource.
The general timber preservative in the world today mainly is copper, chromium, arsenic (CCA), and copper amine (ammonia) quaternary ammonium salt (ACQ) and copper azoles (CA) etc. are bigger to the harm of human body because the arsenic chromium among the CCA all is noxious material, have been limited to use.Efficient low toxic and environment-friendly anticorrisive agent such as ACQ, CA all is that sterilization protection composition ammonification or amine solvent are formulated in the prior art, sterilization component and solvent (amine, ammonia) are formulated, for reaching the dissolving copper compound and reaching the sterilization protection effect, ammonia or amine solvent are essential, so not only to consume a large amount of solvents, and because amine or Ammonia solvent volatilize easily environment be polluted.Volatilization owing to solvent tends to anticorrisive agent part component is taken out of fixed performance, the reduction sterilization virus killing effect that influences anticorrisive agent in addition.
Summary of the invention
The present invention be to solve that existing timber preservative exists that environmental hazard is big, poor permeability and the low problem of resistance leachability, and provide the preparation method of the nano combined anticorrisive agent of a kind of timber.
The preparation method of the nano combined anticorrisive agent of a kind of timber of the present invention, carry out according to the following steps:
One, cupric oxide powder and Zinc oxide powder being put into the abrading cylinder that finish grindes nanon ball-mill, is that 8～10 the NaOH aqueous solution joins in the abrading cylinder of correct grinding nanon ball-mill together then with dispersant ammonium citrate and the pH value of using NaOH to regulate deionized water; The mass ratio of wherein said cupric oxide powder and Zinc oxide powder is 1: (1～2), the total mass ratio of the quality of described ammonium citrate and cupric oxide powder and Zinc oxide powder is (9～12): 20, and the gross mass of described cupric oxide powder and Zinc oxide powder and the volume ratio of deionized water are (1.1～1.3) g: 100mL;
Two, the abrasive media zirconia ball is put into the abrading cylinder of correct grinding nanon ball-mill, the correct grinding nanon ball-mill grinds 2h～2.5h with the rotating speed of 3500r/min～4000r/min, obtains suspension;
Three, suspension is taken out from the abrading cylinder of correct grinding nanon ball-mill after, ultrasonic dispersion 30min～40min namely obtains the nano combined anticorrisive agent of timber.
Advantage of the present invention: one, the nano combined anticorrisive agent fixation rate of timber of the present invention's preparation can reach more than 91.5%, turnover rate is lower than 10%, with the ACQ timber preservative fixation rate of main flow on the current market be 82.5%, turnover rate is 17.5% to compare, fixation rate has improved more than 9%, turnover rate has reduced more than 7.5%, and resistance leachability can be good; Two, the present invention adopts the deionization water as solvent, and environmental pollution is little; Three, preparation method of the present invention is simple to operation.
Description of drawings
Fig. 1 is the particle diameter photo figure as a result of the nano combined anticorrisive agent of timber of test one preparation;
Fig. 2 is poplar photomacrograph after handling through the nano combined anticorrisive agent of the timber of testing a preparation.
The specific embodiment
The specific embodiment one: the preparation method of the nano combined anticorrisive agent of a kind of timber of present embodiment, carry out according to the following steps:
One, cupric oxide powder and Zinc oxide powder being put into the abrading cylinder that finish grindes nanon ball-mill, is that 8～10 the NaOH aqueous solution joins in the abrading cylinder of correct grinding nanon ball-mill together then with dispersant ammonium citrate and the pH value of using NaOH to regulate deionized water; The mass ratio of wherein said cupric oxide powder and Zinc oxide powder is 1: (1～2), the total mass ratio of the quality of described ammonium citrate and cupric oxide powder and Zinc oxide powder is (9～12): 20, and the gross mass of described cupric oxide powder and Zinc oxide powder and the volume ratio of deionized water are (1.1～1.3) g: 100mL;
Two, the abrasive media zirconia ball is put into the abrading cylinder of correct grinding nanon ball-mill, the correct grinding nanon ball-mill grinds 2h～2.5h with the rotating speed of 3500r/min～4000r/min, obtains suspension;
Three, suspension is taken out from the abrading cylinder of correct grinding nanon ball-mill after, ultrasonic dispersion 30min～40min namely obtains the nano combined anticorrisive agent of timber.
The nano combined anticorrisive agent fixation rate of timber of present embodiment preparation can reach more than 91.5%, turnover rate is lower than 10%, with the ACQ timber preservative fixation rate of main flow on the current market be 82.5%, turnover rate is 17.5% to compare, fixation rate has improved more than 9%, turnover rate has reduced more than 7.5%, and resistance leachability can be good.
Present embodiment adopts the deionization water as solvent, and environmental pollution is little.
Present embodiment preparation method is simple to operation.
The described correct grinding nanon ball-mill of present embodiment is laboratory research and development type grinder, and model is 01-HDDM (Qingdao join auspicious precision optical machinery Co., Ltd).
The specific embodiment two: what present embodiment and the specific embodiment one were different is: the mass ratio of cupric oxide powder described in the step 1 and Zinc oxide powder is 1: 1, and the gross mass of described cupric oxide powder and Zinc oxide powder and the volume ratio of deionized water are 1.25g: 100mL.Other is identical with the specific embodiment one.
The specific embodiment three: what present embodiment was different with the specific embodiment one or two is: the total mass ratio of the quality of the ammonium citrate described in the step 1 and cupric oxide powder and Zinc oxide powder is 1: 2.Other is identical with the specific embodiment one or two.
The specific embodiment four: what present embodiment was different with one of specific embodiment one to three is: the diameter of the zirconia ball described in the step 2 is 0.2mm, and volumetric usage is 200mL～250mL.Other is identical with one of specific embodiment one to three.
The specific embodiment five: what present embodiment was different with one of specific embodiment one to four is: the correct grinding nanon ball-mill grinds 2.5h with the rotating speed of 4000r/min in the step 2.Other is identical with one of specific embodiment one to four.
The specific embodiment six: what present embodiment was different with one of specific embodiment one to five is: the supersonic frequency in the step 3 during ultrasonic disperse is 50HZ.Other is identical with one of specific embodiment one to five.
Adopt following verification experimental verification effect of the present invention:
Test one: the preparation method of the nano combined anticorrisive agent of a kind of timber, carry out according to the following steps:
One, 1.25g cupric oxide powder and 1.25g Zinc oxide powder being put into the abrading cylinder that finish grindes nanon ball-mill, is that 10 the NaOH aqueous solution joins in the abrading cylinder of correct grinding nanon ball-mill together then with 1.25g dispersant ammonium citrate and the pH value of using NaOH to regulate deionized water; The volume of wherein said deionized water is 200mL;
Two, with diameter be the abrading cylinder that abrasive media zirconia ball 200mL～250mL of 0.2mm puts into the correct grinding nanon ball-mill, the correct grinding nanon ball-mill grinds 2.5h with the rotating speed of 4000r/min, obtains suspension;
Three, suspension is taken out from the abrading cylinder of correct grinding nanon ball-mill after, ultrasonic dispersion 30min, supersonic frequency is 50HZ, namely obtaining material concentration is the nano combined anticorrisive agent of timber of 1.25% (w/mL).
This tests described correct grinding nanon ball-mill is laboratory research and development type grinder, and model is 01-HDDM (Qingdao join auspicious precision optical machinery Co., Ltd).
Utilize laser particle analyzer that the nano combined anticorrisive agent of timber of this test preparation is detected, the result as shown in Figure 1, Fig. 1 is the particle diameter of the nano combined anticorrisive agent of timber of this test preparation photo figure as a result, as shown in Figure 1, the cupric oxide that grinds out and the particle diameter of zinc oxide are nanoscale less than 100nm.The particle diameter of the particle diameter testing result of the nano combined anticorrisive agent of timber distributes and sees Table 1.
Table 1 anticorrisive agent particle diameter distributes
Fig. 2 is poplar photomacrograph after the nano combined anticorrisive agent of timber of this test preparation is handled.
The resistance leachability energy contrast test of timber preservative: operation experimentizes according to China Forest industry standard LY/T1283-2011 " timber preservative is to rot fungi toxicity test chamber test method ", can test the resistance leachability of testing the ACQ timber preservative of main flow on a nano combined anticorrisive agent of timber for preparing and the current market, the result is as shown in table 2:
The resistance leachability of table 2 anticorrisive agent
As shown in Table 2, the nano combined anticorrisive agent fixation rate of timber is higher than the ACQ timber preservative of main flow on the current market, and turnover rate is lower than ACQ, and resistance leachability can be good.
The antiseptic property contrast test of timber preservative: operation experimentizes according to China Forest industry standard LY/T1283-2011 " timber preservative is to rot fungi toxicity test chamber test method ", the ACQ timber preservative preservative treatment poplar of main flow and the bacteriostasis property of pinus sylvestris var. mongolica on the nano combined anticorrisive agent of timber of testing a preparation and the current market are tested, and the result is shown in table 3 and table 4:
The preservative treatment of table 3 poplar
As shown in Table 3, the antiseptic property of the nano combined anticorrisive agent processing of timber poplar is fine, compares with the ACQ timber preservative of main flow on the current market, has suitable antiseptic property when identical working concentration, and the corrosion resistant grade of handling the back poplar reaches the I level.
The preservative treatment of table 4 pinus sylvestris var. mongolica
As shown in Table 4, the antiseptic property of the nano combined anticorrisive agent processing of timber pinus sylvestris var. mongolica is fine, compares with the ACQ timber preservative of main flow on the current market, and when identical working concentration, the anti-Corilus versicolor Quel. performance of handling the back pinus sylvestris var. mongolica is suitable with ACQ, and grade reaches the I level; And its performance rate of anti-the gloeophyllum trabeum reaches the I level, obviously is better than ACQ.
Claims (6)
1. the preparation method of the nano combined anticorrisive agent of timber, the preparation method who it is characterized in that the nano combined anticorrisive agent of timber carries out according to the following steps:
One, cupric oxide powder and Zinc oxide powder being put into the abrading cylinder that finish grindes nanon ball-mill, is that 8～10 the NaOH aqueous solution joins in the abrading cylinder of correct grinding nanon ball-mill together then with dispersant ammonium citrate and the pH value of using NaOH to regulate deionized water; The mass ratio of wherein said cupric oxide powder and Zinc oxide powder is 1: (1～2), the total mass ratio of the quality of described ammonium citrate and cupric oxide powder and Zinc oxide powder is (9～12): 20, and the gross mass of described cupric oxide powder and Zinc oxide powder and the volume ratio of deionized water are (1.1～1.3) g: 100mL;
Two, the abrasive media zirconia ball is put into the abrading cylinder of correct grinding nanon ball-mill, the correct grinding nanon ball-mill grinds 2h～2.5h with the rotating speed of 3500r/min～4000r/min, obtains suspension;
Three, suspension is taken out from the abrading cylinder of correct grinding nanon ball-mill after, ultrasonic dispersion 30min～40min namely obtains the nano combined anticorrisive agent of timber.
2. the preparation method of the nano combined anticorrisive agent of a kind of timber according to claim 1, the mass ratio that it is characterized in that cupric oxide powder described in the step 1 and Zinc oxide powder is 1: 1, and the gross mass of described cupric oxide powder and Zinc oxide powder and the volume ratio of deionized water are 1.25g: 100mL.
3. the preparation method of the nano combined anticorrisive agent of a kind of timber according to claim 1 is characterized in that the quality of the ammonium citrate described in the step 1 and the total mass ratio of cupric oxide powder and Zinc oxide powder are 1: 2.
4. the preparation method of the nano combined anticorrisive agent of a kind of timber according to claim 1, the diameter that it is characterized in that the zirconia ball described in the step 2 is 0.2mm, volumetric usage is 200mL～250mL.
5. the preparation method of the nano combined anticorrisive agent of a kind of timber according to claim 1 is characterized in that the correct grinding nanon ball-mill is with the rotating speed grinding 2.5h of 4000r/min in the step 2.
6. the preparation method of the nano combined anticorrisive agent of a kind of timber according to claim 1, the supersonic frequency when it is characterized in that ultrasonic dispersion in the step 3 is 50HZ.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107498667A (en) * | 2017-09-20 | 2017-12-22 | 阜南县中泰工艺品有限公司 | A kind of handling process that wood preservation performance is improved using cinnamylaldehyde derivatives |
| CN107538585A (en) * | 2017-09-12 | 2018-01-05 | 阜南县创发工艺品有限公司 | A kind of processing method of willow mildew resistant moistureproof |
| CN108748535A (en) * | 2018-06-15 | 2018-11-06 | 界首市鑫鸿泰家居有限公司 | A kind of processing method of charing-Chinese herbal medicine-nano-particles reinforcement preserving timber |
| CN108789711A (en) * | 2018-06-25 | 2018-11-13 | 安徽阜南县万家和工艺品有限公司 | A kind of linden corrosion-resistant inorganic agent |
| PL428204A1 (en) * | 2018-12-17 | 2019-08-12 | Centrum Badawczo-Produkcyjne Alcor Spółka Z Ograniczoną Odpowiedzialnością | Method for wood metallization |
| CN111702900A (en) * | 2020-06-10 | 2020-09-25 | 中国林业科学研究院木材工业研究所 | Method for preserving and reinforcing wood by using nanocellulose |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538585A (en) * | 2017-09-12 | 2018-01-05 | 阜南县创发工艺品有限公司 | A kind of processing method of willow mildew resistant moistureproof |
| CN107498667A (en) * | 2017-09-20 | 2017-12-22 | 阜南县中泰工艺品有限公司 | A kind of handling process that wood preservation performance is improved using cinnamylaldehyde derivatives |
| CN107498667B (en) * | 2017-09-20 | 2019-10-18 | 阜南县中泰工艺品有限公司 | A kind for the treatment of process improving wood preservation performance using cinnamylaldehyde derivatives |
| CN108748535A (en) * | 2018-06-15 | 2018-11-06 | 界首市鑫鸿泰家居有限公司 | A kind of processing method of charing-Chinese herbal medicine-nano-particles reinforcement preserving timber |
| CN108789711A (en) * | 2018-06-25 | 2018-11-13 | 安徽阜南县万家和工艺品有限公司 | A kind of linden corrosion-resistant inorganic agent |
| PL428204A1 (en) * | 2018-12-17 | 2019-08-12 | Centrum Badawczo-Produkcyjne Alcor Spółka Z Ograniczoną Odpowiedzialnością | Method for wood metallization |
| CN111702900A (en) * | 2020-06-10 | 2020-09-25 | 中国林业科学研究院木材工业研究所 | Method for preserving and reinforcing wood by using nanocellulose |
| CN111702900B (en) * | 2020-06-10 | 2021-04-02 | 中国林业科学研究院木材工业研究所 | Method for preserving and reinforcing wood by using nanocellulose |
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Application publication date: 20130918 |