CN104859011A - Nano alumina-containing modified wood production method - Google Patents

Nano alumina-containing modified wood production method Download PDF

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Publication number
CN104859011A
CN104859011A CN201410819300.2A CN201410819300A CN104859011A CN 104859011 A CN104859011 A CN 104859011A CN 201410819300 A CN201410819300 A CN 201410819300A CN 104859011 A CN104859011 A CN 104859011A
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China
Prior art keywords
mass parts
timber
wood
nano alumina
production method
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CN201410819300.2A
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Chinese (zh)
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不公告发明人
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Individual
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Priority to CN201410819300.2A priority Critical patent/CN104859011A/en
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Classifications

    • 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
    • B27K3/007—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process employing compositions comprising nanoparticles
    • 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
    • B27K3/02—Processes; Apparatus
    • B27K3/0207—Pretreatment of wood before impregnation
    • 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
    • B27K3/02—Processes; Apparatus
    • B27K3/0207—Pretreatment of wood before impregnation
    • B27K3/0214—Drying
    • 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
    • B27K3/02—Processes; Apparatus
    • B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
    • 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
    • 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
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/04—Combined bleaching or impregnating and drying of wood
    • 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
    • B27K2240/20—Removing fungi, molds or insects
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

The invention discloses a nano alumina-containing modified wood production method including five steps of wood pretreatment, preparation of a wood modification agent, preparation of a wood modification fluid, dipping treatment and post drying treatment, the wood modification agent comprises nano alumina, polyethylene glycol (peg), aluminum and titanium compound coupling agent OL-AT1618, distilled water, sodium octaborate, diammonium phosphate, boric acid, carbendazim, dodecyl dimethyl benzyl ammonium chloride, sodium dodecyl benzene sulfonate and silicon sol, and the particle size of the nano alumina is in the 1-100 nm range. The beneficial effect is that the nano alumina-containing modified wood has the advantages of simple process, high efficiency, environmental protection, strong permeability, stable performance, even composite and the like, and the surface hardness, smoothness, wear resistance, cold and hot fatigue, fracture toughness, good processing properties, dimension stability, anti-corrosion flame retardant properties and the like of the treated wood are improved obviously.

Description

A kind of production method containing nanometer alumina modified timber
Technical field
The present invention relates to wood producing technical field, specifically a kind of production method containing nanometer alumina modified timber.
Background technology
Timber as a kind of resource of natural reproducible, and has beautiful texture, color and luster is natural, texture is comfortable, plasticity is good, be easy to the advantages such as processing, thus by the ideal material as construction and decoration and Furniture manufacture.But timber is owing to contacting with oxygen, light, moisture for a long time, easy expand with wet and contract with dry, poor dimensional stability, and easy to change, cracking, wearing and tearing and dampen, also easily burning and easily by entomogenous fungi moth erosion etc.So, extensive concern is subject to for a long time to the modification of timber always.Nano aluminium oxide has the advantages such as crystalline phase is stable, hardness is high, good stability of the dimension, can be applied to the fields such as various plastics, rubber, pottery as a kind of excellent toughened and reinforced dose.By nanometer alumina modified timber, the advantages such as the good compactness of timber, fineness, cool-hot fatigue, fracture toughness, creep-resistant property and anti-wear performance can be given, thus there is good realistic meaning and application prospect.
Summary of the invention
The object of the present invention is to provide that a kind for the treatment of process is simple, efficient, environmental protection have the production method containing nanometer alumina modified timber that is toughened and reinforced, antiseptic fire-retardation effect concurrently.
The technical solution adopted for the present invention to solve the technical problems is: a kind of production method containing nanometer alumina modified timber, comprises the following steps:
(1), timber pretreatment: removed the peel by log, cut after saw cuts open into the specification of required size, dry 8 ~ 24h under the condition of 50 DEG C ~ 80 DEG C, the moisture content controlling timber reaches 8% ~ 25%, then microwave treatment 10 ~ 30min;
(2), preparation Wood modifier: add nano aluminium oxide 15 ~ 25 mass parts in agitator, polyethylene glycol 2 ~ 6 mass parts and aluminium titanium composite coupler OL-AT1618 0.5 ~ 1 mass parts, then distilled water 300 ~ 450 mass parts is added, start agitator by 3000 ~ 6000r/min rotating speed high-speed stirred, 10 ~ 50min, then eight boric acid disodium 10 ~ 15 mass parts are added, Diammonium phosphate (DAP) 8 ~ 12 mass parts, boric acid 5 ~ 8 mass parts, carbendazim 8 ~ 12 mass parts, dodecyl benzyl dimethyl ammonium chloride 6 ~ 9 mass parts, neopelex 1 ~ 2 mass parts, agitator speed is regulated to stir 20 ~ 30min according to 80 ~ 200r/min, then Ludox 20 ~ 30 mass parts is finally added, continue stirring 20 ~ 30min, after dispersed, namely Wood modifier obtained used,
(3), preparation Wooden modifying liquid: the Wood modifier that step (2) is obtained is diluted with water to the aaerosol solution that mass percent concentration is 20% ~ 30%, obtains required Wooden modifying liquid;
(4), impregnation process: the timber that step (1) obtains is put into airtight impregnation process tank, vacuumize and to make in tank vacuum at-0.08 ~-0.1MPa, keep 30 ~ 60min, Wooden modifying liquid step (3) prepared again injects impregnation process tank, and make to flood timber completely, then remove vacuum, in process tank, apply 0.6 ~ 0.9MPa air pressure, keep 1 ~ 4h;
(5), rear drying process: pressure relief, discharge remaining modification liquid, take out timber air-dry to surface without obvious water mark remain, then move to dry kiln and carry out drying, baking temperature 70 DEG C ~ 95 DEG C, drying time 3 ~ 7d, be cooled to room temperature again, namely obtain improved wood.
Step (1) described log is suitable for any timber, comprises poplar, birch, nanmu, Eucalyptus, China fir, pine etc.
The particle diameter of step (2) described nano aluminium oxide is in 1 ~ 100nm scope.
Silica quality content in step (2) described Ludox is 20% ~ 30%.
The invention has the beneficial effects as follows, the present invention has that treatment process is simple, efficient, environmental protection and the advantage such as permeability is strong, stable performance, compound are even, and timber after treatment is all obviously promoted in case hardness, fineness, wearability, cool-hot fatigue, fracture toughness, processing superperformance, dimensional stability, antiseptic fire-retardation etc.
Detailed description of the invention
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Containing a production method for nanometer alumina modified timber, comprise the following steps:
(1), timber pretreatment: removed the peel by log, cut after saw cuts open into the specification of required size, dry 8 ~ 24h under the condition of 50 DEG C ~ 80 DEG C, the moisture content controlling timber reaches 8% ~ 25%, then microwave treatment 10 ~ 30min; Wherein, described log is suitable for any timber, comprises poplar, birch, nanmu, Eucalyptus, China fir, pine etc.
(2), preparation Wood modifier: add nano aluminium oxide 15 ~ 25 mass parts in agitator, polyethylene glycol 2 ~ 6 mass parts and aluminium titanium composite coupler OL-AT1618 0.5 ~ 1 mass parts, then distilled water 300 ~ 450 mass parts is added, start agitator by 3000 ~ 6000r/min rotating speed high-speed stirred, 10 ~ 50min, then eight boric acid disodium 10 ~ 15 mass parts are added, Diammonium phosphate (DAP) 8 ~ 12 mass parts, boric acid 5 ~ 8 mass parts, carbendazim 8 ~ 12 mass parts, dodecyl benzyl dimethyl ammonium chloride 6 ~ 9 mass parts, neopelex 1 ~ 2 mass parts, agitator speed is regulated to stir 20 ~ 30min according to 80 ~ 200r/min, then Ludox 20 ~ 30 mass parts is finally added, continue stirring 20 ~ 30min, after dispersed, namely Wood modifier obtained used, wherein, the particle diameter of described nano aluminium oxide is in 1 ~ 100nm scope, and the silica quality content in described Ludox is 20% ~ 30%.
(3), preparation Wooden modifying liquid: the Wood modifier that step (2) is obtained is diluted with water to the aaerosol solution that mass percent concentration is 20% ~ 30%, obtains required Wooden modifying liquid;
(4), impregnation process: the timber that step (1) obtains is put into airtight impregnation process tank, vacuumize and to make in tank vacuum at-0.08 ~-0.1MPa, keep 30 ~ 60min, Wooden modifying liquid step (3) prepared again injects impregnation process tank, and make to flood timber completely, then remove vacuum, in process tank, apply 0.6 ~ 0.9MPa air pressure, keep 1 ~ 4h;
(5), rear drying process: pressure relief, discharge remaining modification liquid, take out timber air-dry to surface without obvious water mark remain, then move to dry kiln and carry out drying, baking temperature 70 DEG C ~ 95 DEG C, drying time 3 ~ 7d, be cooled to room temperature again, namely obtain improved wood.

Claims (2)

1., containing a production method for nanometer alumina modified timber, it is characterized in that, comprise the following steps:
(1), timber pretreatment: removed the peel by log, cut after saw cuts open into the specification of required size, dry 8 ~ 24h under the condition of 50 DEG C ~ 80 DEG C, the moisture content controlling timber reaches 8% ~ 25%, then microwave treatment 10 ~ 30min;
(2), preparation Wood modifier: add nano aluminium oxide 15 ~ 25 mass parts in agitator, polyethylene glycol 2 ~ 6 mass parts and aluminium titanium composite coupler OL-AT1618 0.5 ~ 1 mass parts, then distilled water 300 ~ 450 mass parts is added, start agitator by 3000 ~ 6000r/min rotating speed high-speed stirred, 10 ~ 50min, then eight boric acid disodium 10 ~ 15 mass parts are added, Diammonium phosphate (DAP) 8 ~ 12 mass parts, boric acid 5 ~ 8 mass parts, carbendazim 8 ~ 12 mass parts, dodecyl benzyl dimethyl ammonium chloride 6 ~ 9 mass parts, neopelex 1 ~ 2 mass parts, agitator speed is regulated to stir 20 ~ 30min according to 80 ~ 200r/min, then Ludox 20 ~ 30 mass parts is finally added, continue stirring 20 ~ 30min, after dispersed, namely Wood modifier obtained used,
(3), preparation Wooden modifying liquid: the Wood modifier that step (2) is obtained is diluted with water to the aaerosol solution that mass percent concentration is 20% ~ 30%, obtains required Wooden modifying liquid;
(4), impregnation process: the timber that step (1) obtains is put into airtight impregnation process tank, vacuumize and to make in tank vacuum at-0.08 ~-0.1MPa, keep 30 ~ 60min, Wooden modifying liquid step (3) prepared again injects impregnation process tank, and make to flood timber completely, then remove vacuum, in process tank, apply 0.6 ~ 0.9MPa air pressure, keep 1 ~ 4h;
(5), rear drying process: pressure relief, discharge remaining modification liquid, take out timber air-dry to surface without obvious water mark remain, then move to dry kiln and carry out drying, baking temperature 70 DEG C ~ 95 DEG C, drying time 3 ~ 7d, be cooled to room temperature again, namely obtain improved wood.
2. a kind of production method containing nanometer alumina modified timber according to claim 1, it is characterized in that, the particle diameter of step (2) described nano aluminium oxide is in 1 ~ 100nm scope.
CN201410819300.2A 2014-12-25 2014-12-25 Nano alumina-containing modified wood production method Pending CN104859011A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410819300.2A CN104859011A (en) 2014-12-25 2014-12-25 Nano alumina-containing modified wood production method

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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105365012A (en) * 2015-11-04 2016-03-02 阜南县铭钰柳木工艺品有限公司 Toughening and strengthening pretreating agent for wicker for wickerwork and preparation method of toughening and strengthening pretreating agent
CN105415467A (en) * 2015-11-04 2016-03-23 安徽美景工艺品有限公司 Nano-microcrystalline cellulose-silica sol reinforced pretreating agent for willow weaving wickers and preparation method thereof
CN105437337A (en) * 2015-11-04 2016-03-30 阜南县铭钰柳木工艺品有限公司 Smoothness and toughness pre-treating agent for braiding wicker and preparation method thereof
CN107253254A (en) * 2017-06-20 2017-10-17 阜阳市晨曦货架展柜有限公司 A kind of fire-retardant wooden pallet
CN107457858A (en) * 2017-08-30 2017-12-12 常州市天宁区鑫发织造有限公司 A kind of particieboard fire retardant
CN107571359A (en) * 2017-09-12 2018-01-12 海宁恒森家具有限公司 A kind of production method of improved wood
CN107901161A (en) * 2017-11-24 2018-04-13 徐州得铸生物科技有限公司 A kind of nano-compound modified wood of garden landscape
CN115256569A (en) * 2022-08-16 2022-11-01 南京林业大学 Wear-resistant fireproof laminated wood and preparation method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105365012A (en) * 2015-11-04 2016-03-02 阜南县铭钰柳木工艺品有限公司 Toughening and strengthening pretreating agent for wicker for wickerwork and preparation method of toughening and strengthening pretreating agent
CN105415467A (en) * 2015-11-04 2016-03-23 安徽美景工艺品有限公司 Nano-microcrystalline cellulose-silica sol reinforced pretreating agent for willow weaving wickers and preparation method thereof
CN105437337A (en) * 2015-11-04 2016-03-30 阜南县铭钰柳木工艺品有限公司 Smoothness and toughness pre-treating agent for braiding wicker and preparation method thereof
CN107253254A (en) * 2017-06-20 2017-10-17 阜阳市晨曦货架展柜有限公司 A kind of fire-retardant wooden pallet
CN107457858A (en) * 2017-08-30 2017-12-12 常州市天宁区鑫发织造有限公司 A kind of particieboard fire retardant
CN107571359A (en) * 2017-09-12 2018-01-12 海宁恒森家具有限公司 A kind of production method of improved wood
CN107571359B (en) * 2017-09-12 2019-02-22 海宁恒森家具有限公司 A kind of production method of improved wood
CN107901161A (en) * 2017-11-24 2018-04-13 徐州得铸生物科技有限公司 A kind of nano-compound modified wood of garden landscape
CN115256569A (en) * 2022-08-16 2022-11-01 南京林业大学 Wear-resistant fireproof laminated wood and preparation method thereof

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Application publication date: 20150826