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WO2006081755A1 - Composition modifiant le bois et procédé pour sa préparation ainsi que ses utilisations - Google Patents

Composition modifiant le bois et procédé pour sa préparation ainsi que ses utilisations Download PDF

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Publication number
WO2006081755A1
WO2006081755A1 PCT/CN2006/000140 CN2006000140W WO2006081755A1 WO 2006081755 A1 WO2006081755 A1 WO 2006081755A1 CN 2006000140 W CN2006000140 W CN 2006000140W WO 2006081755 A1 WO2006081755 A1 WO 2006081755A1
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Prior art keywords
parts
wood
water
add
sodium
Prior art date
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Ceased
Application number
PCT/CN2006/000140
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English (en)
Chinese (zh)
Inventor
Wanli Chen
Ziliang Wu
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GAO ZHONGHAI
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GAO ZHONGHAI
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Filing date
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Publication of WO2006081755A1 publication Critical patent/WO2006081755A1/fr
Anticipated expiration legal-status Critical
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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
    • A01N35/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical containing aliphatically bound aldehyde or keto groups, or thio analogues thereof; Derivatives thereof, e.g. acetals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K2240/00—Purpose of the treatment
    • B27K2240/30—Fireproofing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/34—Organic impregnating agents
    • B27K3/50—Mixtures of different organic impregnating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds

Definitions

  • the invention relates to a wood modification composition, a preparation method thereof and a use thereof.
  • the invention relates to a wood modification composition and a preparation method thereof, in particular to a modification composition applied to artificial wood and other low-grade wood. It belongs to the field of forestry and chemical industry. Background technique
  • the wood is densified and modified to increase its density, and the physical and mechanical properties such as hardness and strength are also increased, which is a feasible method for improving the quality of wood.
  • an unsaturated olefin monomer or prepolymer is injected into the wood tissue, and then it is polymerized and solidified into wood-plastic composite material in the wood under the initiation of a thermal initiator or a heat radiation source (Zhu Wei, Guo Fengping. New Developments of Hemu Research[J] Journal of Northwest Forestry University, 1998, 13(4): 82 ⁇ 91; edited by Lu Wenda. Wood Modification Technology [M] Harbin: Northeast Forestry University Press, 1993; Feist WC, Rowell R M.
  • Wood fire retardant and antiseptic treatment is an important part of wood protection.
  • the wood should meet the flame retardant B1 grade flame retardant index in GB50222 "Fireproof Code for Interior Decoration Design of Buildings".
  • the feasible method is to use water-soluble impregnation to water-soluble.
  • the flame retardant is injected into the interior of the wood.
  • Commonly used flame retardants are: ammonium phosphate, ammonium dihydrogen phosphate, diammonium hydrogen phosphate, ammonium polyphosphate, urea, melamine, dicyandiamide, borax, boric acid, etc. (Liu Yanji.
  • the wood after the flame retardant treatment is easily damaged by moisture absorption and corrosion, and the flame retardant is easy to seep out the surface of the wood, which may cause the paint and adhesive properties of the wood to deteriorate; the anticorrosive wood suitable for civilian use, considering the home environment and the like.
  • the impact of the ideal wood treatment preservatives are: 1 high efficiency and low toxicity, meet strict environmental requirements; 2 with anti-corrosion, anti-mildew and anti-mite effect; 3 with better anti-leak; 4 best colorless , basically does not change the color of the wood after use.
  • Ammonia S An copper-soluble high-carbon alkyl quarter saddle salt ACQ wood anti-corrosion consisting of high-carbon alkyl quaternary ammonium salts, copper ions and ammonia (or amine) introduced in recent years!] (American Wood-preservers ' American Wood-preservers 'Association Standards, 2001. 135-190), which gives wood a good anti-corrosion, anti-mildew, anti-mite and anti-leakage properties, and overcomes the widely used arsenic or boron and chromium in the past.
  • the wood-based preservative composed of copper and inorganic materials has the disadvantages of high toxicity and anti-corrosion wood waste, but it still uses heavy metal copper ions (although its toxicity is lower than that of arsenic and chromium), it will still cause certain problems to the environment and people. Harm, and the public's fear of heavy metal hazards is ingrained. In addition, due to the strong alkalinity of the preservative, it is highly corrosive to wood-modified equipment and has a certain destructive effect on wood fibers.
  • the densification and modification of artificial forest materials and other low-grade woods can improve the physical and mechanical properties such as density, hardness and strength, and can be used as medium and high-grade wood to replace precious wood to meet industrial production and people's living needs. Is one of the effective ways to resolve conflicts.
  • Anti-corrosion and flame-retardant treatment of wood is an effective measure to avoid, reduce the degradation of wood caused by the above reasons, extend the life cycle of wood products, or reduce the risk of fire.
  • the densification and modification of common woods, especially artificial forest materials and other low-grade woods, has the disadvantages of high cost, complicated process and high equipment requirements.
  • the obtained densified modified material has a single function and generally cannot be used as a flame retardant wood or a preservative wood, and can not be used as a flame retardant and anticorrosive (both flame retardant and anticorrosive) wood.
  • the applicant's prior invention patent application (Application No. 03107131. 7) discloses a water-soluble resin for post-treatment of wood, which comprises acrylamide, decyl alcohol, formaldehyde, urea-containing hydrazine group compound, polyhydroxy organic compound, phosphoric acid, ammonia water. It is synthesized.
  • the resin modified with the resin can greatly improve the density, hardness and strength of the wood, and has good flame retardant resistance to degradation, and has the advantages of low cost, relatively simple process and equipment, and the like.
  • the hardness and strength of the wood are high, the densification and reinforcement of the resin are still insufficient. Further, the anticorrosive property of the treated material of the water-soluble resin is not sufficiently remarkable.
  • the wood modification treatment liquid containing water-soluble silicate such as water glass as the main component has low cost, and the obtained wood-inorganic silicide composite material has high hardness and strength, and has certain flame retardant and anti-mite properties.
  • this treatment material has strong moisture absorption, indicating that it is easy to permeate alkali. Due to the strong alkalinity of the water-soluble silicate, the potential damage to the wood fiber cannot be neglected.
  • the combination of metal calcium, magnesium, iron and the like forms a metal ion-silicate poorly soluble substance. Although the surface infusion can be well fixed, the depth and uniformity of the infiltration permeation are questionable.
  • the high carbon alkyl quaternary ammonium salt (ammonyx) gives the wood the desired corrosion protection. It is used in small amounts and is safe to use, but it is water-soluble. It is seriously drained when it is treated with infusion of wood alone, and is not particularly suitable for outdoor use. Therefore, high-carbon alkyl quaternary ammonium salts are often used together with heavy metal ions such as copper to form stable high-carbon decyl quaternary ammonium salt-heavy metal complexes to achieve leaching resistance. However, the long-term, large-scale use of heavy metal ions can cause irreversible pollution and harm to both the human body and the surrounding environment. Summary of the invention
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide an environmentally-friendly wood modification capable of significantly enhancing wood density, loss-resistant flame retardant, anti-mite, mildewproof and anti-corrosion properties without heavy metal ions. Use the composition.
  • a wood modification composition which is mainly made of the following raw materials by weight:
  • it is: 37% of formaldehyde, 450 parts, borax 35 parts, 20 parts of ammonia water, 175 parts of urea, 65 parts of melamine, 12 parts of boric acid, 90 parts of dicyandiamide, 14 parts of high carbon alkyl quaternary ammonium salt, and 12 fluorenyl groups.
  • the high carbon decyl quaternary ammonium salt is preferably dodecyldimethylbenzylammonium chloride, didecyldimethylammonium chloride or a combination of the two.
  • the high-carbon alkyl quaternary ammonium salt and the sodium lauryl sulfate, the nonylphenol ether sulfosuccinate nano salt and the nonylphenol polyoxyethylene ether three water-soluble organic-inorganic macromolecules
  • the substance is compatible and prepared as a mixed emulsifier, which can be protected with the following components in the formulation.
  • Glue (preparation method see below) miscible: 37% formaldehyde, borax, ammonia, urea, melamine, boric acid, dicyandiamide,
  • the water-soluble organic-inorganic macromolecular substance contained in the wood modifying composition of the present invention when the water of the composition is volatilized, the long-chain macromolecule is further cross-linked, enlarged to become a polymer substance, solidified in the wood, and wood
  • the structure is tightly combined, and the polymer material is insoluble in water, non-corrosive, and light in color after curing, so that the densified wood has good weather resistance and service life, and the flame retardant component and antiseptic component in the wood can also be It is well fixed and is not easily leached by water or moisture, which means it is resistant to loss.
  • the styrene-acrylate copolymer microemulsion (the microemulsion particle size is mostly smaller than the common emulsion but slightly larger than the colloidal semi-colloid half emulsion) is added to the wood modification composition of the present invention.
  • the protective rubber is prepared from the following raw materials by weight: 37% formaldehyde 400-500 parts, borax 30 ⁇ 40 parts, ammonia water 5 to 25 parts, 150 to 195 parts of urea, 50 to 85 parts of melamine, 10 to 15 parts of boric acid, and 80 to 100 parts of dicyandiamide are used in large amounts.
  • the microemulsion particle size of the hydrated silica microemulsion and the hydrated alumina trioxide microemulsion is sufficiently small to be used in a commercially available product having a translucent appearance and a blue fluorescence.
  • the hydrated silica microemulsion and the hydrated aluminum oxide microemulsion itself are vitrified when the water volatilizes, that is, they are coagulated and solidified into a glassy solid, insoluble in water, and have high hardness and strength.
  • an inorganic-organic glass body is formed after vitrification, so that the hardness and strength of the modified wood are greatly increased.
  • the flame retardant component in the wood modifying composition of the present invention is a P-N-B type ternary high-efficiency flame retardant.
  • P (phosphorus) and N (nitrogen) are added in the form of nitrogen-containing organic matter, nitrogen-phosphorus organic substance, phosphoric acid and ammonia water, and B (boron:) is added in the form of boric acid or sodium borate.
  • B boron:
  • Another role of B is to have a good anti-mite effect and a certain anti-corrosion effect on wood.
  • the water-soluble macromolecular substance, the flame-retardant component, and the antiseptic component in the wood-modifying composition of the present invention are not only simple mechanical mixing.
  • the flame retardant component may be contained in a water-soluble macromolecule or, at the same time, phosphoric acid, boric acid, ammonia water, and borax as a catalyst (acid-base regulator:) in synthesizing a macromolecular substance.
  • the antiseptic component of the high carbon decyl quaternary ammonium salt is used as part of the surfactant used in the composition to stabilize or
  • the action of emulsifying water-soluble macromolecules is stabilized in the composition of weakly acidic rather than alkaline due to the coexistence of other surfactants, avoiding the use of high-carbon alkyl quaternary ammonium wood preservatives such as ACQ.
  • the modified equipment is highly corrosive and has the disadvantage of destroying wood fibers.
  • the wood modifying composition of the present invention is colorless after drying and solidifying. If the color of the wood is to be changed, a wood coloring agent can be added to the composition to obtain a uniform color, fully permeable dyeing material.
  • Another technical problem to be solved by the present invention is to provide a process for preparing the wood modifying composition of the present invention, which is as follows:
  • the total solid content of the material is 35-45wt, which is obtained by discharging through a 250 mesh screen.
  • high-carbon alkyl quaternary ammonium salts are often used together with heavy metal ions such as copper to form a stable high-carbon quaternary ammonium salt-heavy metal complex to obtain leaching resistance.
  • three high-carbon alkyl quaternary ammonium salts are combined with sodium lauryl sulfate, alkylphenol ether sulfosuccinate nanosalt and nonylphenol polyoxyethylene ether.
  • Compatibility, prepared as a mixed emulsifier the prepared mixed emulsifier can be effectively miscible with the protective adhesive.
  • the high-carbon alkyl quaternary ammonium salt can be stably combined with the protective rubber to achieve the same compatibility with the heavy metal.
  • the anti-leak effect overcomes the shortcomings of existing ACQ and CCA wood preservatives containing heavy metal ions and other toxic components that cause pollution to the human body and the surrounding environment. Therefore, the wood modifying composition of the present invention not only has excellent anticorrosive properties, but also overcomes the drawbacks of the conventional wood preservatives which generally contain heavy metal ions and other toxic components.
  • the wood modification composition of the invention is prepared by using a general wood flame-retardant or anti-corrosion treatment tank, and the wood density is increased by 0.1-0.3 g I cm 3 after one dipping and drying, followed by hardness, Strength and other physical and mechanical properties are also improved by 60-120%. For higher density and better hardness and strength, more than two times of infusion can be performed. In addition, defects such as cracking and deformation during drying and use of wood are effectively avoided or reduced.
  • the wood has an ideal anti-leakage flame retardant, anti-mite, anti-mildew and anti-corrosion function, and its flame retardant ability reaches the "B1 grade flame-retardant material" of GB8624 standard, and the anti-corrosion ability is comparable with ACQ anti-corrosion wood.
  • the wood modified with the wood modification composition of the present invention (this treatment material) is compared with the ACQ anticorrosive treatment material and the ammonium polyphosphate monoboric acid flame retardant treatment material, and the leaching resistance is performed by running water soaking method (room temperature water immersion 24 hr, 103
  • the results were as follows: The average weight loss of the treated materials was 0.37%, the average weight loss of the ACQ anticorrosive treated materials was 1.72%, and the average weight loss of the ammonium polyphosphate-boronic acid flame retardant treated materials was 4.79%. Soaked in still water.
  • the method (the sample is equal in weight, and immersed in water of 5 times sample weight for 72 hr, respectively) to determine the leaching amount of the high carbon sulfhydryl quaternary ammonium salt of the treated material and the ACQ preservative treated material, and the result is as follows: the high carbon alkyl quaternary ammonium salt leaching of the treated material The amount is 0.0072g IL, ACQ anti-corrosion treatment material high carbon alkyl quaternary ammonium salt dip The yield was 0.0471 g IL. Therefore, it can be considered that the treated material has good resistance to bleed.
  • the modified wood produced by using the wood modifying composition of the invention has good processing performance and can be used as a raw material for solid wood furniture, solid wood flooring, solid wood doors, solid wood decoration, etc. instead of medium and high grade wood. Its moisture absorption is basically the same as that of ordinary wood, and it can be used as a fabric.
  • the modified wood has no odor and is safe to use.
  • the color of the modified wood is basically the same as that of the log, and the dye can be used to obtain wood of various colors. detailed description
  • Pre-emulsified monomer synthesis 500kg water, mixed emulsifier 30kg, methacrylamide
  • the composition prepared in the present embodiment is immersed into wood by a full cell method, and dried to become a densified material having greatly improved physical and mechanical properties such as density, hardness, strength, and wood. It has ideal anti-leakage flame retardant, anti-mite, anti-mildew and anti-corrosion functions.
  • Emulsion synthesis Add 250kg of water, 250kg of water and 16.5kg of another mixed emulsifier prepared in the above steps, start the mixer, start the mixer, raise the temperature to 88 °C, add 0.5kg of the initial initiator ammonium persulfate (5kg first) The water was dissolved well. After 5 minutes, the pre-emulsified monomer was slowly added dropwise to the reaction vessel. After 25 minutes, the initiator solution (2.5 kg of ammonium persulfate, 2 kg of sodium hydrogencarbonate, 45 kg of water, and pre-dissolved) was added dropwise.
  • the initiator solution 2.5 kg of ammonium persulfate, 2 kg of sodium hydrogencarbonate, 45 kg of water, and pre-dissolved
  • the composition prepared in the present embodiment is immersed into wood by a full cell method, and dried to become a densified material having greatly improved physical and mechanical properties such as density, hardness, strength, and wood. It has ideal anti-dusting flame retardant, anti-mite and function. Synthesis of protective glue:
  • mixed emulsifier 8kg of dodecyldimethylbenzylammonium chloride, 7kg of dimercaptodimethylammonium chloride, 6kg of sodium lauryl sulfate, and nonylphenol succinate 17 kg of salt and 17 kg of nonylphenol ethoxylate are uniformly mixed.
  • Pre-emulsified monomer synthesis 500kg water and pre-dispersed wood dye, mixed emulsifier 37kg, N-light methacrylamide 5kg into the reaction kettle and stirred evenly, put the mixed monomer butyl acrylate 110kg, benzene 310kg of ethylene, 140kg of isooctyl acrylate, 5kg of acrylic acid and 0.18kg of molecular weight regulator t-dodecyl mercaptan, stirred for 30min to become a uniform emulsion, pumped into the high tank for standby;
  • Emulsion synthesis Add 250kg of water, 250kg of water and another part of mixed emulsifier, which are synthesized in the above steps, into the reaction kettle, start the mixer, heat up to 85 °C, add 0.5kg of ammonium persulfate as primer (5kg water first) After dissolution, the pre-emulsified monomer was slowly added dropwise to the reaction vessel after 5 minutes. After 25 minutes, the initiator solution (2.5 kg of ammonium persulfate, 2 kg of sodium hydrogencarbonate, 45 kg of water, and pre-dissolved) was added dropwise.
  • the initiator solution 2.5 kg of ammonium persulfate, 2 kg of sodium hydrogencarbonate, 45 kg of water, and pre-dissolved
  • the composition prepared in the present embodiment is immersed into wood by a full cell method, and dried to become a densified material having greatly improved physical and mechanical properties such as density, hardness, strength, and wood. It has ideal anti-leakage flame retardant, anti-mite, anti-mildew and anti-corrosion functions.

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

Il est exposé une nouvelle composition modifiant le bois et un procédé pour sa préparation ainsi que ses utilisations. La composition est formée principalement à partir des matières de départ suivantes : formaldéhyde à 37 %, borax, ammoniaque, urée, mélamine, acide borique, cyanoguanidine phosphate, sel d'(alkyles supérieurs)ammonium quaternaire, dodécylsulfate de sodium, (éther d'alkyle et de phénol)sulfosuccinate de sodium, éther de décylphénol et de polyoxyéthylène, N-méthylolacrylamide, acrylate de butyle, styrène, acrylate d'isooctyle, acide acrylique, tert-dodécanethiol, persulfate d'ammonium, hydrogénocarbonate de sodium, métabisulfite de sodium, paraffine chlorée ayant une teneur en chlore de 50-60 %, microémulsion de silice qui a une teneur en matière solides de 45 % et/ou microémulsion d'oxyde d'aluminium hydraté qui a une teneur en matières solides de 40 %. Les bois de forêts artificielles et les bois inférieurs modifiés par la composition de l'invention ont d'excellentes propriétés ignifuges, antimites, anti-moisissures et de préservation en plus des propriétés physiques et mécaniques nettement améliorées. De plus, à la différence de la plupart des préservatifs du bois existants dans l'art antérieur, elle ne contient pas d'ions de métaux lourds ou d'autres composants toxiques.
PCT/CN2006/000140 2005-02-07 2006-01-25 Composition modifiant le bois et procédé pour sa préparation ainsi que ses utilisations Ceased WO2006081755A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SN200510007653.3 2005-02-07
CNB2005100076533A CN100540244C (zh) 2005-02-07 2005-02-07 木材改性用组合物、其制备方法及用途

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CN (1) CN100540244C (fr)
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9420795B2 (en) 2011-07-27 2016-08-23 Matterworks One Limited Glycolate formulation for preserving wood and like materials
CN118528368A (zh) * 2024-07-15 2024-08-23 阜南阜合工艺品有限公司 一种防腐阻燃柳木方的加工方法
CN118876183A (zh) * 2024-07-08 2024-11-01 南京林业大学 改性氨溶季铵铜及防腐定向刨花板、制备方法和应用
CN119140069A (zh) * 2024-11-18 2024-12-17 无锡市太湖湖泊治理股份有限公司 一种沸石脱氮剂的制备方法及应用

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CN101177005B (zh) * 2007-12-10 2010-06-02 杨旭东 一种养护石质、木质的专用养护剂
CN103102876B (zh) * 2012-12-31 2015-04-29 哈尔滨工业大学 一种无机有机复合型调剖剂的制备方法
CN106272793A (zh) * 2016-08-09 2017-01-04 南京博俊新材料有限公司 功能型木材改性剂
CN106342877A (zh) * 2016-08-26 2017-01-25 广州市柜族家具有限公司 一种防霉抗菌溶剂及其制备工艺
CN106272798A (zh) * 2016-08-27 2017-01-04 安徽省阜南志峰工艺品有限公司 一种木材用耐温处理剂
CN108748501B (zh) * 2018-05-14 2019-12-17 浙江泰星儿童玩具有限公司 一种木材加工成型的工艺
CN113910390A (zh) * 2021-10-22 2022-01-11 安徽梵齐诺拒火材料开发有限公司 一种木材用拒火剂
CN114213573B (zh) * 2021-12-17 2023-05-23 中国林业科学研究院木材工业研究所 丙烯酸酯微乳液木材改性剂及其制备方法与应用

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US4778833A (en) * 1984-02-03 1988-10-18 Nederlandse Centrale Organisatie Voor Toegepast- Natuurweten- Schappelijk Onderzoek Composition for the preservation of wood
JPH0482704A (ja) * 1990-07-25 1992-03-16 Matsushita Electric Works Ltd 改質木材の製法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4778833A (en) * 1984-02-03 1988-10-18 Nederlandse Centrale Organisatie Voor Toegepast- Natuurweten- Schappelijk Onderzoek Composition for the preservation of wood
JPH0482704A (ja) * 1990-07-25 1992-03-16 Matsushita Electric Works Ltd 改質木材の製法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9420795B2 (en) 2011-07-27 2016-08-23 Matterworks One Limited Glycolate formulation for preserving wood and like materials
CN118876183A (zh) * 2024-07-08 2024-11-01 南京林业大学 改性氨溶季铵铜及防腐定向刨花板、制备方法和应用
CN118528368A (zh) * 2024-07-15 2024-08-23 阜南阜合工艺品有限公司 一种防腐阻燃柳木方的加工方法
CN119140069A (zh) * 2024-11-18 2024-12-17 无锡市太湖湖泊治理股份有限公司 一种沸石脱氮剂的制备方法及应用

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CN1644334A (zh) 2005-07-27
CN100540244C (zh) 2009-09-16

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