CN101850569A - Antiseptic treatment method for timber or bamboo - Google Patents
Antiseptic treatment method for timber or bamboo Download PDFInfo
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- CN101850569A CN101850569A CN 201010198344 CN201010198344A CN101850569A CN 101850569 A CN101850569 A CN 101850569A CN 201010198344 CN201010198344 CN 201010198344 CN 201010198344 A CN201010198344 A CN 201010198344A CN 101850569 A CN101850569 A CN 101850569A
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Abstract
The invention discloses an antiseptic treatment method for timber or bamboo. The method comprises the following steps of: (1) preparing a natural antiseptic agent; and (2) performing an antiseptic treatment process: diluting the natural antiseptic agent with benzene/alcohol solvent by 50 to 70 times; and treating the timber or bamboo for 8 to 10 hours at a bath ratio of 1 to 1.05-2.0 at room temperature under maintained pressure of between 2.0 and 3.0MPa, wherein the bath ratio is the volume ratio of the timber or bamboo to the natural antiseptic agent. The method has the advantages of simple operation process, high controllability, low cost, no complex chemical treatment, no need of expensive equipment, easy industrialization and broad application prospect.
Description
Technical field
The present invention relates to the method that a kind of timber or bamboo wood are handled, particularly relate to the antiseptic method of a kind of timber or bamboo wood.
Background technology
Timber and bamboo are because of containing a large amount of starch, sugar part, protein and other salts substances, and natural durability is poor, causes easily to damage by worms and mould corruption.Annual because of rotten, the bamboo wood that loses of damaging by worms account for 10% of whole world bamboo wood output, therefore, timber and bamboo wood protection have great importance for building the resource-conserving bamboo industry.Yet timber and bamboo wood protection are the weak links in China's timber and the bamboo utilization, and the timber of most of outdoor uses and bamboo wood are without protective treatment, and minority is unfriendly to environment through the timber and the employed protective agent great majority of bamboo wood of protective treatment.Chemical protector day by day feels a draft because of its known or potential toxic and side effect in recent years, and the natural protective agent that is derived from animal, plant, microorganism is subjected to people's favor just day by day.Natural products is not only of a great variety, and biologically active is various, and effect is unique, the more important thing is easy degraded or good with Environmental compatibility, and therefore, seeking antibiotic active insecticidal components from biology is one of focus of present protective agent research.Aspect the bamboo wood preservation, carry out the performance study of material natural polymer product such as chitin, corrosion resistant wood extractive, cashew nut shell oil in recent years both at home and abroad, inquire into its possibility, and obtain some impressive progresses as anticorrisive agent.
American scholar Hillis (1962) has set forth the influence of timber extract to wood utilization, owing to be subjected to the restriction of prevailing condition, has only carried out some evaluations from macroscopic perspective.Subsequently, Chinese scholars has just been carried out a series of researchs about the timber extract.Rowell (1984) reported the timber extract particularly aldehydes matter directly influence wood gluing reaction; Silverio etc. utilize GC/MS to study the influence of storage life to Brazilian alpine ash and Liu An mixed wood acetone extract; Discovery defibrator process equipment corrosions such as Singh are produced by the timber extract.Chinese scholar Ou Yifang etc. (1996) think that the Eucalyptus polyphenolic substance exists with the form of tannin; Peng Wanxis etc. (2008) utilize particle size analyzer to study the micro-/ nano feature and the distribution thereof of particle in the eucalyptus camaldulensis timber extract process in leaching.In order further deeply to disclose the influence of Eucalyptus extract, Chinese scholars is successively studied the extractives content and component.Old bright magnitude and Fang Guizhen etc. have done analysis to the extractives content of China seeds commonly used on macroscopic view, the other scholar studies the influence of timber the extractives content forest cultivation condition, environment.The progress of timber extract has been accelerated in the application successively of modern instrument, utilizes GC/MS to analyze Eucalyptus lipophilicity extract and resin precipitated decomposable process as (1998) such as Guti é rrez; Gonzalez-Vila etc. (2000) utilize GC/MS to Eucalyptus urophylla wood chip S-CO
2The supercritical extraction thing is analyzed; Caldeira etc. have analyzed the chemical composition of the carrene extract of compression wood under the ultrasonic wave condition; What Ishida etc. (2007) utilized that pyrolysis gas chromatography (Pyro-GC) analyzed phenolic compound in the Eucalyptus extract exists kind and form; We utilize GC/MS, PyGC/MS to analyze the composition of more than 10 kind of trees, 5 kinds of bamboos, 10 multiple kinds of crops stalk extracts.Recently in the world the research of extract component analysis is mainly concentrated on the discriminating of macroscopical content and part of compounds, and extract is not carried out deep research antibiotic aspect anticorrosion as yet.
Discover through domestic and international expert, the forest extract generally contains more than 700 kind of compounds such as tannin, resin, natural gum, essential oil, pigment, alkaloid, fat, wax, sugar and starch, the some of them composition is the important source material of chemical industry, medicine and other industrial department, has certain economic and is worth.Some timber extract contains toxic chemical composition, as containing 3,5 dihydroxy benzenes ethene in the pine heartwood extract, contains phenolic ketone in the cypress class timber, all has stronger toxicity.The trees or the timber that contain toxic extract have stronger natural durability, and the biology of harm timber such as domestomycetes, termite is had significant resistance to corrosion.Though natural products have a lot of a bit, most natural products compound structure complexity, be difficult for synthetic or synthetic cost too high, have no value for use, most of to photo-labile, or highly volatile, can not directly use usually as protective agent.The way that solves has two kinds, the one, with natural products is modified, modification and be re-dubbed suitable protective agent prescription; The 2nd, be lead compound with the natural products, develop function admirable and environmentally compatible, protective agent new varieties.
Therefore, this special topic extracts from the animals and plants processing waste, screens, prepares natural antibacterial, insect control actives matter according to the natural product chemistry principle, and by researchs such as formulation development, formulation optimizations, development is applicable to the natural protective agent of bamboo timber and goods thereof.The enforcement of this special topic can reduce timber and bamboo wood protection cost significantly, promotes the universal utilization of natural protective agent, realizes the sound development of timber and bamboo wood protection industry, reaches the purpose that economizes on resources, protects environment.
Summary of the invention
Technical problem to be solved by this invention provides timber or the antiseptic method of bamboo wood that a kind of operating procedure is simple, controllability good, cost is low.
In order to solve the problems of the technologies described above, the antiseptic method of timber provided by the invention or bamboo wood, form by following steps:
(1), natural antiseptic agent preparation: benzene/alcoholic solvent and fresh camphortree leaf by volume 2: 1-5: 1 mixes, then at 85-95 ℃ of following extracting 6-8h, after filtering, filter paper obtains camphortree leaf benzene/alcohol extract, distill out boiling point less than 110 component under oxygen free condition, residue is the natural antiseptic agent components I; Benzene/alcoholic solvent and fresh torch pine pine needle by volume 2: 1-5: 1 mixes, then at 85-95 ℃ of following extracting 5-8h, obtain torch pine pine needle benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 component under oxygen free condition, residue is the natural antiseptic agent composition; Again natural antiseptic agent composition and natural antiseptic agent composition are mixed according to volume ratio at 1: 1, obtain natural antiseptic agent; Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; The camphortree leaf plucking time is between May-October, is Hunan, Jiangxi, Fujian, Guangdong or Guangxi vegetatively; Torch pine pine needle plucking time is between September-December, is Hunan, Jiangxi, Guangxi, Yunnan or Sichuan vegetatively;
(2), anticorrosion treatment technology: natural antiseptic agent is utilized benzene/alcoholic solvent dilution 50-70 doubly, and bath raio is the volume ratio 1 of timber or bamboo wood and natural antiseptic agent: 1.05-2.0, and under room temperature, the 2.0-3.0MPa, 8-10 hour pressurize processing time got final product; Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; Timber refers to the sawn timber of arbitrary specification; Bamboo wood refers to the bamboo chip of arbitrary specification.
Adopt the timber or the antiseptic method of bamboo wood of technique scheme, natural phenolic, higher alcohol, organic acid and timber or bamboo wood are reacted, or be deposited in timber or the bamboo wood hole, suppress timber and bamboo wood and in use take place rottenly to reach, the rotten probability of treated timber and bamboo wood generation is in 5%.Of the present inventionly have that operating procedure is simple, favorable reproducibility, need not any expensive device, also do not need the complex chemical treatment process, what is more important, timber after the present invention handles is tasteless nontoxic, environmentally friendly, so the present invention has good industrial applications prospect.
In sum, the present invention is timber or the antiseptic method of bamboo wood that a kind of operating procedure is simple, controllability good, cost is low.
The specific embodiment
Can further be expressly understood the present invention by specific embodiments of the invention given below, but following embodiment is not a limitation of the invention.
Embodiment 1:
The step that wood preservation is handled is as follows:
(1), natural antiseptic agent preparation: benzene/alcoholic solvent mixed with fresh camphortree leaf in 2: 1 by volume, then at 85 ℃ of following extracting 8h, obtain camphortree leaf benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent components I; Benzene/alcoholic solvent mixed with fresh torch pine pine needle in 2: 1 by volume, then at 85 ℃ of following extracting 8h, obtain torch pine pine needle benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent composition; Again natural antiseptic agent components I and natural antiseptic agent composition are mixed according to volume ratio at 1: 1, obtain natural antiseptic agent; Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; The camphortree leaf plucking time is May, is the Hunan vegetatively; Torch pine pine needle plucking time is September, is the Hunan vegetatively;
(2), anticorrosion treatment technology: natural antiseptic agent is utilized 50 times of benzene/alcoholic solvent dilutions, and bath raio is the volume ratio 1: 1.05 of timber and natural antiseptic agent, and under room temperature, the 2.0MPa, 10 hours pressurize processing times got final product.Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; Timber is meant the sawn timber of arbitrary specification.
Embodiment 2:
The step that wood preservation is handled is as follows:
(1), natural antiseptic agent preparation: benzene/alcoholic solvent mixed with fresh camphortree leaf in 5: 1 by volume, then at 95 ℃ of following extracting 6h, obtain camphortree leaf benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent component I; Benzene/alcoholic solvent mixed with fresh torch pine pine needle in 5: 1 by volume, then at 95 ℃ of following extracting 5h, obtain torch pine pine needle benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent composition; Again natural antiseptic agent components I and natural antiseptic agent composition are mixed according to volume ratio at 1: 1, obtain natural antiseptic agent.Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; The camphortree leaf plucking time is October, is Jiangxi vegetatively; Torch pine pine needle plucking time is December, is Guangxi vegetatively;
(2), anticorrosion treatment technology: utilize benzene/alcoholic solvent to dilute 70 times natural antiseptic agent, bath raio is the volume ratio 2.0 of timber and natural antiseptic agent, and under room temperature, the 3.0MPa, 8 hours pressurize processing times got final product.Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; Timber is meant the sawn timber of arbitrary specification.
Embodiment 3:
The step that wood preservation is handled is as follows:
(1), natural antiseptic agent preparation: benzene/alcoholic solvent mixed with fresh camphortree leaf in 3: 1 by volume, then at 90 ℃ of following extracting 7h, obtain camphortree leaf benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent components I; Benzene/alcoholic solvent mixed with fresh torch pine pine needle in 3: 1 by volume, then at 90 ℃ of following extracting 7h, obtain torch pine pine needle benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent composition; Again natural antiseptic agent components I and natural antiseptic agent composition are mixed according to volume ratio at 1: 1, obtain natural antiseptic agent.Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; The camphortree leaf plucking time is September, is Guangxi vegetatively; Torch pine pine needle plucking time is November, is Sichuan vegetatively;
(2), anticorrosion treatment technology: natural antiseptic agent is utilized 60 times of benzene/alcoholic solvent dilutions, and bath raio is the volume ratio 1: 1.5 of timber and natural antiseptic agent, and under room temperature, the 2.5MPa, 9 hours pressurize processing times got final product.Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; Timber is meant the sawn timber of arbitrary specification.
Embodiment 4:
The antiseptic step of bamboo wood is as follows:
(1), natural antiseptic agent preparation: benzene/alcoholic solvent mixed with fresh camphortree leaf in 2: 1 by volume, then at 88 ℃ of following extracting 8h, obtain camphortree leaf benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent components I; Benzene/alcoholic solvent mixed with fresh torch pine pine needle in 2: 1 by volume, then at 88 ℃ of following extracting 8h, obtain torch pine pine needle benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent composition; Again natural antiseptic agent components I and natural antiseptic agent composition are mixed according to volume ratio at 1: 1, obtain natural antiseptic agent.Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; The camphortree leaf plucking time is May, is Fujian vegetatively; Torch pine pine needle plucking time is September, is Yunnan vegetatively;
(2), anticorrosion treatment technology: natural antiseptic agent is utilized 50 times of benzene/alcoholic solvent dilutions, and bath raio is the volume ratio 1: 1.05 of bamboo wood and natural antiseptic agent, and under room temperature, the 2.0MP a, 10 hours pressurize processing times got final product.Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; Bamboo wood is meant the bamboo chip of arbitrary specification.
Embodiment 5:
The antiseptic step of bamboo wood is as follows:
(1), natural antiseptic agent preparation: benzene/alcoholic solvent mixed with fresh camphortree leaf in 5: 1 by volume, then at 92 ℃ of following extracting 6h, obtain camphortree leaf benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent components I; Benzene/alcoholic solvent mixed with fresh torch pine pine needle in 5: 1 by volume, then at 92 ℃ of following extracting 5h, obtain torch pine pine needle benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent composition; Again natural antiseptic agent components I and natural antiseptic agent composition are mixed according to volume ratio at 1: 1, obtain natural antiseptic agent.Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; The camphortree leaf plucking time is October, is Jiangxi vegetatively; Torch pine pine needle plucking time is December, is Guangxi vegetatively.
(2), anticorrosion treatment technology: utilize benzene/alcoholic solvent to dilute 70 times natural antiseptic agent, bath raio is the volume ratio 2.0 of bamboo wood and natural antiseptic agent, and under room temperature, the 3.0MPa, 8 hours pressurize processing times got final product.Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; Bamboo wood is the bamboo chip that only refers to arbitrary specification.
Embodiment 6:
The antiseptic step of bamboo wood is as follows:
(1), natural antiseptic agent preparation: benzene/alcoholic solvent mixed with fresh camphortree leaf in 3: 1 by volume, then at 87 ℃ of following extracting 7h, obtain camphortree leaf benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent components I; Benzene/alcoholic solvent mixed with fresh torch pine pine needle in 3: 1 by volume, then at 87 ℃ of following extracting 7h, obtain torch pine pine needle benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent composition; Again natural antiseptic agent components I and natural antiseptic agent composition are mixed according to volume ratio at 1: 1, obtain natural antiseptic agent.Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; The camphortree leaf plucking time is September, is Guangdong vegetatively; Torch pine pine needle plucking time is November, is Sichuan vegetatively;
(2), anticorrosion treatment technology: natural antiseptic agent is utilized 60 times of benzene/alcoholic solvent dilutions, and bath raio is the volume ratio 1: 1.5 of bamboo wood and natural antiseptic agent, and under room temperature, the 2.5MPa, 9 hours pressurize processing times got final product.Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; Bamboo wood is meant the bamboo chip of arbitrary specification.
Claims (1)
1. timber or the antiseptic method of bamboo wood is characterized in that: be made of following steps:
(1), natural antiseptic agent preparation: benzene/alcoholic solvent and fresh camphortree leaf by volume 2: 1-5: 1 mixes, then at 85-95 ℃ of following extracting 6-8h, after filtering, filter paper obtains camphortree leaf benzene/alcohol extract, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent component I; Benzene/alcoholic solvent and fresh torch pine pine needle by volume 2: 1-5: 1 mixes, then at 85-95 ℃ of following extracting 5-8h, obtain torch pine pine needle benzene/alcohol extract after filter paper filters, distill out boiling point less than 110 ℃ component under oxygen free condition, residue is the natural antiseptic agent composition; Again natural antiseptic agent component I and natural antiseptic agent composition are mixed according to volume ratio at 1: 1, obtain natural antiseptic agent; Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; The camphortree leaf plucking time is between May-October, is Hunan, Jiangxi, Fujian, Guangdong or Guangxi vegetatively; Torch pine pine needle plucking time is between September-December, is Hunan, Jiangxi, Guangxi, Yunnan or Sichuan vegetatively;
(2), anticorrosion treatment technology: natural antiseptic agent is utilized benzene/alcoholic solvent dilution 50-70 doubly, and bath raio is the volume ratio 1 of timber or bamboo wood and natural antiseptic agent: 1.05-2.0, and under room temperature, the 2.0-3.0MPa, 8-10 hour pressurize processing time got final product; Wherein benzene/alcoholic solvent is to be mixed at 1: 1 according to volume ratio by benzene and ethanol; Timber refers to the sawn timber of arbitrary specification; Bamboo wood refers to the bamboo chip of arbitrary specification.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102812970A (en) * | 2012-08-29 | 2012-12-12 | 彭万喜 | Preparation method of natural antibacterial insect repellent |
| CN104441138A (en) * | 2014-09-24 | 2015-03-25 | 阜南县大自然工艺品有限公司 | Reed treating agent for wickerwork |
| CN107379172A (en) * | 2016-01-06 | 2017-11-24 | 孙欣 | A kind of timber preservative |
| 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 |
| CN108262827A (en) * | 2018-02-11 | 2018-07-10 | 陕西杨凌陕特农业发展有限公司 | The processing method that pretreatment improves wood preservation performance is carried out to timber using honey |
| CN108972779A (en) * | 2018-08-10 | 2018-12-11 | 安徽信达家居有限公司 | A kind of aspen furniture working process preservative |
| CN111136746A (en) * | 2020-01-03 | 2020-05-12 | 淮阴师范学院 | Bamboo desugaring method and preparation method of bamboo tows for anti-corrosion bamboo boards |
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| CN1209024C (en) * | 2002-02-09 | 2005-07-06 | 王文久 | Bamboo and wood protecting agent |
| US20060257578A1 (en) * | 2003-04-09 | 2006-11-16 | Jun Zhang | Micronized wood preservative formulations comprising boron compounds |
| WO2007070769A2 (en) * | 2005-12-12 | 2007-06-21 | Osmose, Inc. | Composition and process for coloring wood |
| CN101623885A (en) * | 2009-06-14 | 2010-01-13 | 内蒙古农业大学 | Novel wood preservative |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1209024C (en) * | 2002-02-09 | 2005-07-06 | 王文久 | Bamboo and wood protecting agent |
| US20060257578A1 (en) * | 2003-04-09 | 2006-11-16 | Jun Zhang | Micronized wood preservative formulations comprising boron compounds |
| WO2007070769A2 (en) * | 2005-12-12 | 2007-06-21 | Osmose, Inc. | Composition and process for coloring wood |
| CN101623885A (en) * | 2009-06-14 | 2010-01-13 | 内蒙古农业大学 | Novel wood preservative |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102812970A (en) * | 2012-08-29 | 2012-12-12 | 彭万喜 | Preparation method of natural antibacterial insect repellent |
| CN104441138A (en) * | 2014-09-24 | 2015-03-25 | 阜南县大自然工艺品有限公司 | Reed treating agent for wickerwork |
| CN107379172A (en) * | 2016-01-06 | 2017-11-24 | 孙欣 | A kind of timber preservative |
| 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 |
| CN108262827A (en) * | 2018-02-11 | 2018-07-10 | 陕西杨凌陕特农业发展有限公司 | The processing method that pretreatment improves wood preservation performance is carried out to timber using honey |
| CN108972779A (en) * | 2018-08-10 | 2018-12-11 | 安徽信达家居有限公司 | A kind of aspen furniture working process preservative |
| CN111136746A (en) * | 2020-01-03 | 2020-05-12 | 淮阴师范学院 | Bamboo desugaring method and preparation method of bamboo tows for anti-corrosion bamboo boards |
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