CN101830014A - Method for preventing bamboo wood from mildewing - Google Patents
Method for preventing bamboo wood from mildewing Download PDFInfo
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- CN101830014A CN101830014A CN 201010198369 CN201010198369A CN101830014A CN 101830014 A CN101830014 A CN 101830014A CN 201010198369 CN201010198369 CN 201010198369 CN 201010198369 A CN201010198369 A CN 201010198369A CN 101830014 A CN101830014 A CN 101830014A
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Abstract
The invention discloses a method for preventing bamboo wood from mildewing, comprising the following steps of: (1) preparation of natural mildew-proofing agent: mixing a benzene/alcohol solvent with fresh leaves of camphor tree according t a volume ratio of 6:1-8:1, extracting at a temperature of 80-85 DEG C for 9-10h, filtering with filter paper to obtain benzene/alcohol extract of camphor tree leaves, that is a natural mildew-proofing agent component I; mixing a benzene/alcohol solvent with fresh leaves of wild brake according to a volume ratio of 6:1-8:1, extracting at a temperature of 80-85 DEG C for 9-10h, filtering with filter paper to obtain extraction of wild brake leaves benzene/alcohol, that is a natural mildew-proofing agent component II; evenly mixing the natural mildew-proofing agent component I with the natural mildew-proofing agent component II according to a volume ratio of 2:1-3:1 to obtain a natural bamboo wood mildew-proofing agent; (2) mildew-proofing process: dipping the parameters in the process, bathing bamboo with natural bamboo wood mildew-proofing agent according to a volume ratio of 1:0.3-1, and then dipping for 3-5 days at ambient temperature and pressure. The invention has the advantages of simple operating process, good controllability, low cost, no need of complicated chemical process, no need of expensive device and easy industrialization.
Description
Technical field
The present invention relates to a kind of method of bamboo wood modification, particularly a kind of method of bamboo wood mildew-resistant modification.
Background technology
China's bamboo resource is abundant, and bamboo kind, area, bamboo wood output all occupy first place in the world.The advantage of resource, the input in science and technology that increases day by day, and the industry guide policy of the country bamboo industry that makes China has obtained swift and violent development in reform and opening-up over more than 20 year.One by resource cultivate, processing and utilization just progressively forms to the comparatively perfect bamboo industrial development system of the export trade.2005 bamboo annual value of production have reached 59,800,000,000 yuan, and average annual amplification is more than 20%, and directly the practitioner surpasses more than 3,500 ten thousand, about 10.5 hundred million dollars of year foreign exchange earning.Bamboo industry has been called one of four big rising industries of China's forestry, and has the comprehensive competition advantage in the international market.
Yet bamboo is 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, the bamboo wood protection has great importance for building the resource-conserving bamboo industry.Yet the bamboo wood protection is the weak link in China's bamboo utilization, and the bamboo wood of most of outdoor uses is without protective treatment, and minority is unfriendly to environment through the employed protective agent great majority of the 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 being carried out deep research as yet aspect the antibiotic insect protected.
China's bamboo scientific research started from for the 20 actual sixties, mainly was some basic research work of carrying out aspects such as bamboo character, cultivation, classification at first, for the application study and the industry development of bamboo wood are had laid a good foundation.Since the end of the seventies, the bamboo industry of China begins starting, through the development of many decades, having formed one is the new industry of representative by bamboo wood-based plate series of products, bamboo pulp, bamboo shoots series food, bamboo charcoal, bamboo vinegar liquid, and industry size occupy first place, the world.Aspect the scientific research input, national bamboo scientific research project project verification is arranged all from " the Seventh Five-Year Plan " to Tenth Five-Year Plan Period.Particularly " 15 " key scientific and technological projects " bamboo rattan resource is cultivated and efficiently utilized the research of industrialization key technology and demonstrate " are subjected to the high degree of attention and support of the Department of Science and Technology, have obtained great successes.In recent years, domestic related scientific research institutes successively develops a series of bamboo matter and evens out, as bamboo structure material for building, bamboo wood composite container baseboard, laminated bamboo-wood composite lumber etc., these products combine bamboo wood mechanical property excellence, what artificial forest wood density was little has a few, for new approach has been opened up in the efficient utilization of artificial forest wood and bamboo wood.
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 bamboo wood protection cost significantly, promotes the universal utilization of natural protective agent, realizes the sound development of 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 the method for the bamboo wood mildew-resistant modification 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 method for bamboo wood mildew-resistant modification provided by the invention, form by following steps:
(1), natural fungicidal agent preparation: benzene/alcoholic solvent and fresh camphortree leaf by volume 6: 1-8: 1 mixes, and then at 80-85 ℃ of following extracting 9-10h, obtains camphortree leaf benzene/alcohol extract after the filter paper filtration, i.e. the natural fungicidal agent components I; Benzene/alcoholic solvent and fresh fiddlehead leaf by volume 6: 1-8: 1 mixes, and then at 80-85 ℃ of following extracting 9-10h, obtains fiddlehead leaf benzene/alcohol extract after filter paper filters, i.e. the natural fungicidal agent composition; Again with natural fungicidal agent component I and natural fungicidal agent composition according to volume ratio 2: 1-3: 1 mixes, and obtains the bamboo wood natural fungicidal 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 or October, is Hunan or Jiangxi vegetatively; Fiddlehead leaf plucking time is 4 or May, is Hunan or Jiangxi vegetatively;
(2), the mildew-resistant treatment process: bath raio is the volume ratio 1 of bamboo wood and bamboo wood natural fungicidal agent: (0.3-1), room temperature, normal pressure floods and got final product in 3-5 days.
Adopt the method for the bamboo wood mildew-resistant modification of technique scheme, produce in camphortree leaf benzene/pure extract, the fiddlehead leaf benzene/pure extract immersion bamboo wood cell, react with the bamboo wood composition, break off the mould food chain, suppress the bamboo wood fungus growth to reach, can effectively contain the generation that bamboo wood goes mouldy, the probability that treated bamboo wood went mouldy in 5 years is in 10%.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 the method for the bamboo wood mildew-resistant modification 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 of the method for bamboo wood mildew-resistant modification is as follows:
(1), natural fungicidal agent preparation: benzene/alcoholic solvent mixed with fresh camphortree leaf in 6: 1 by volume, then at 85 ℃ of following extracting 10h, obtained camphortree leaf benzene/alcohol extract after filter paper filters, i.e. the natural fungicidal agent components I; Benzene/alcoholic solvent mixed with the fresh fiddlehead leaf in 6: 1 by volume, then at 85 ℃ of following extracting 10h, obtained fiddlehead leaf benzene/alcohol extract after filter paper filters, i.e. the natural fungicidal agent composition; Again natural fungicidal agent components I and natural fungicidal agent composition are mixed according to volume ratio at 2: 1, obtain the bamboo wood natural fungicidal 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; Fiddlehead leaf plucking time is April, is the Hunan vegetatively.
(2), the mildew-resistant treatment process: bath raio is the volume ratio 1: 0.3 of bamboo wood and bamboo wood natural fungicidal agent, room temperature, normal pressure floods and got final product in 5 days.
Embodiment 2:
The step of the method for bamboo wood mildew-resistant modification is as follows:
(1), natural fungicidal agent preparation: benzene/alcoholic solvent mixed with fresh camphortree leaf in 8: 1 by volume, then at 80 ℃ of following extracting 9h, obtained camphortree leaf benzene/alcohol extract after filter paper filters, i.e. the natural fungicidal agent component I; Benzene/alcoholic solvent mixed with the fresh fiddlehead leaf in 8: 1 by volume, then at 80 ℃ of following extracting 9h, obtained fiddlehead leaf benzene/alcohol extract after filter paper filters, i.e. the natural fungicidal agent composition; Again natural fungicidal agent components I and natural fungicidal agent composition are mixed according to volume ratio at 3: 1, obtain the bamboo wood natural fungicidal 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; Fiddlehead leaf plucking time is May, is Jiangxi vegetatively.
(2), the mildew-resistant treatment process: bath raio is the volume ratio 1: 1 of bamboo wood and bamboo wood natural fungicidal agent, room temperature, normal pressure floods and got final product in 3 days.
Embodiment 3:
The step of the method for bamboo wood mildew-resistant modification is as follows:
(1), natural fungicidal agent preparation: benzene/alcoholic solvent mixed with fresh camphortree leaf in 7: 1 by volume, then at 83 ℃ of following extracting 9h, obtained camphortree leaf benzene/alcohol extract after filter paper filters, i.e. the natural fungicidal agent component I; Benzene/alcoholic solvent mixed with the fresh fiddlehead leaf in 6: 1 by volume, then at 83 ℃ of following extracting 10h, obtained fiddlehead leaf benzene/alcohol extract after filter paper filters, i.e. the natural fungicidal agent composition; Again natural fungicidal agent components I and natural fungicidal agent composition are mixed according to volume ratio at 2: 1, obtain the bamboo wood natural fungicidal 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 the Hunan vegetatively; Fiddlehead leaf plucking time is April, is Jiangxi vegetatively.
(2), the mildew-resistant treatment process: bath raio is the volume ratio 1: 0.5 of bamboo wood and bamboo wood natural fungicidal agent, room temperature, normal pressure floods and got final product in 4 days.
Embodiment 4:
The step of the method for bamboo wood mildew-resistant modification is as follows:
(1), natural fungicidal agent preparation: benzene/alcoholic solvent mixed with fresh camphortree leaf in 8: 1 by volume, then at 82 ℃ of following extracting 9h, obtained camphortree leaf benzene/alcohol extract after filter paper filters, i.e. the natural fungicidal agent components I; Benzene/alcoholic solvent mixed with the fresh fiddlehead leaf in 8: 1 by volume, then at 82 ℃ of following extracting 10h, obtained fiddlehead leaf benzene/alcohol extract after filter paper filters, i.e. the natural fungicidal agent composition; Again natural fungicidal agent components I and natural fungicidal agent composition are mixed according to volume ratio at 3: 1, obtain the bamboo wood natural fungicidal 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 Jiangxi vegetatively; Fiddlehead leaf plucking time is April, is the Hunan vegetatively.
(2), the mildew-resistant treatment process: bath raio is the volume ratio 1: 0.6 of bamboo wood and bamboo wood natural fungicidal agent, room temperature, normal pressure floods and got final product in 4 days.
Claims (1)
1. the method for a bamboo wood mildew-resistant modification is characterized in that: be to be made of following steps:
(1), natural fungicidal agent preparation: benzene/alcoholic solvent and fresh camphortree leaf by volume 6: 1-8: 1 mixes, and then at 80-85 ℃ of following extracting 9-10h, obtains camphortree leaf benzene/alcohol extract after the filter paper filtration, i.e. the natural fungicidal agent component I; Benzene/alcoholic solvent and fresh fiddlehead leaf by volume 6: 1-8: 1 mixes, and then at 80-85 ℃ of following extracting 9-10h, obtains fiddlehead leaf benzene/alcohol extract after filter paper filters, i.e. the natural fungicidal agent composition; Again with natural fungicidal agent component I and natural fungicidal agent composition according to volume ratio 2: 1-3: 1 mixes, and obtains the bamboo wood natural fungicidal 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 or October, is Hunan or Jiangxi vegetatively; Fiddlehead leaf plucking time is 4 or May, is Hunan or Jiangxi vegetatively;
(2), the mildew-resistant treatment process: bath raio is the volume ratio 1: 0.3～1 of bamboo wood and bamboo wood natural fungicidal agent, room temperature, normal pressure floods and got final product in 3-5 days.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010198369XA CN101830014B (en) | 2010-06-11 | 2010-06-11 | Method for preventing bamboo wood from mildewing |
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| CN201010198369XA CN101830014B (en) | 2010-06-11 | 2010-06-11 | Method for preventing bamboo wood from mildewing |
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| CN101830014A true CN101830014A (en) | 2010-09-15 |
| CN101830014B CN101830014B (en) | 2012-06-20 |
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Cited By (12)
| 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 |
| CN102894014A (en) * | 2012-11-01 | 2013-01-30 | 彭万喜 | Method for preparing woody antibacterial agent |
| CN104015238A (en) * | 2014-06-23 | 2014-09-03 | 福建农林大学 | Mildew-proof retreatment method of mildewed bamboo chips |
| 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 |
| CN106142249A (en) * | 2016-07-29 | 2016-11-23 | 安徽昌发实业有限公司 | A kind of wood surface hydrophobic insect-prevention treatment method |
| CN106367020A (en) * | 2016-10-09 | 2017-02-01 | 常州亚环环保科技有限公司 | Anti-aging mould-proof type organic silicone sealant preparation method |
| CN106553242A (en) * | 2015-09-21 | 2017-04-05 | 浙江省林业科学研究院 | A kind of bamboo and wood material Natural anti-mildew preservative |
| CN108098954A (en) * | 2017-11-23 | 2018-06-01 | 苏州梅香雅筑工艺品有限公司 | A kind of mildew-proof treatment method of ribs of the fan |
| CN108145822A (en) * | 2018-01-04 | 2018-06-12 | 浙江农林大学 | A kind of preparation method of mould proof bamboo fibreboard |
| CN108505328A (en) * | 2018-03-21 | 2018-09-07 | 安徽鸿润装饰材料有限公司 | A kind of preparation process of mould proof sound-proof material |
| CN113854320A (en) * | 2021-10-18 | 2021-12-31 | 阜南县猛发工艺品有限公司 | Insect-proof mildew-proof agent for bamboo rattan woven product and preparation method thereof |
| CN114888919A (en) * | 2022-05-07 | 2022-08-12 | 浙江可信竹木有限公司 | Manufacturing method of bamboo-wood composite board capable of recycling waste materials and bamboo-wood composite board |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1088145A (en) * | 1992-12-17 | 1994-06-22 | 杨宗礼 | Process for manufacture of high-density bamboo material |
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2010
- 2010-06-11 CN CN201010198369XA patent/CN101830014B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088145A (en) * | 1992-12-17 | 1994-06-22 | 杨宗礼 | Process for manufacture of high-density bamboo material |
Cited By (15)
| 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 |
| CN102894014A (en) * | 2012-11-01 | 2013-01-30 | 彭万喜 | Method for preparing woody antibacterial agent |
| CN102894014B (en) * | 2012-11-01 | 2015-02-18 | 彭万喜 | Method for preparing woody antibacterial agent |
| CN104015238A (en) * | 2014-06-23 | 2014-09-03 | 福建农林大学 | Mildew-proof retreatment method of mildewed bamboo chips |
| CN104015238B (en) * | 2014-06-23 | 2015-11-18 | 福建农林大学 | A kind of mildew-proof treatment method again contaminating mould bamboo chip |
| 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 |
| CN106553242A (en) * | 2015-09-21 | 2017-04-05 | 浙江省林业科学研究院 | A kind of bamboo and wood material Natural anti-mildew preservative |
| CN106142249A (en) * | 2016-07-29 | 2016-11-23 | 安徽昌发实业有限公司 | A kind of wood surface hydrophobic insect-prevention treatment method |
| CN106367020A (en) * | 2016-10-09 | 2017-02-01 | 常州亚环环保科技有限公司 | Anti-aging mould-proof type organic silicone sealant preparation method |
| CN108098954A (en) * | 2017-11-23 | 2018-06-01 | 苏州梅香雅筑工艺品有限公司 | A kind of mildew-proof treatment method of ribs of the fan |
| CN108145822A (en) * | 2018-01-04 | 2018-06-12 | 浙江农林大学 | A kind of preparation method of mould proof bamboo fibreboard |
| CN108505328A (en) * | 2018-03-21 | 2018-09-07 | 安徽鸿润装饰材料有限公司 | A kind of preparation process of mould proof sound-proof material |
| CN113854320A (en) * | 2021-10-18 | 2021-12-31 | 阜南县猛发工艺品有限公司 | Insect-proof mildew-proof agent for bamboo rattan woven product and preparation method thereof |
| CN114888919A (en) * | 2022-05-07 | 2022-08-12 | 浙江可信竹木有限公司 | Manufacturing method of bamboo-wood composite board capable of recycling waste materials and bamboo-wood composite board |
| CN114888919B (en) * | 2022-05-07 | 2024-05-07 | 浙江可信竹木有限公司 | Manufacturing method of bamboo-wood composite board capable of recycling waste materials and bamboo-wood composite board |
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