CN104858963A - Nano calcium carbonate /wood composite material production method - Google Patents
Nano calcium carbonate /wood composite material production method Download PDFInfo
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- CN104858963A CN104858963A CN201410819380.1A CN201410819380A CN104858963A CN 104858963 A CN104858963 A CN 104858963A CN 201410819380 A CN201410819380 A CN 201410819380A CN 104858963 A CN104858963 A CN 104858963A
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- Prior art keywords
- calcium carbonate
- mass parts
- wood
- composite material
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Classifications
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- 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
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
-
- 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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/26—Phosphorus; Compounds thereof
-
- 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
-
- 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)
- Dentistry (AREA)
- Health & Medical Sciences (AREA)
- Plant Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a nano calcium carbonate /wood composite material production method including the five steps of pretreatment of wood, preparation of a wood modifying agent, preparation of a wood modifying liquid, dipping treatment, and post drying treatment, and the wood modifying agent includes nano calcium carbonate, a surface active agent, water, sodium octoborate, diammonium phosphate, boric acid, ammonium molybdate, carbendazim, dodecyl dimethyl benzyl ammonium chloride, imidacloprid, and sodium dodecyl sulfate, and the surface active agent is one of fatty alcohol polyoxyethylene ether, polyoxyethylene amide, and sodium dodecyl benzene sulfonate. The beneficial effect is that the nano calcium carbonate /wood composite material production method has simple process, high efficiency, environmental friendliness and low cost and other advantages, and by use of the nano calcium carbonate for modification, the nano calcium carbonate /wood composite material has good enhancement, weighting, anti-erosion, stability improvement and the like.
Description
Technical field
The present invention relates to wood producing technical field, specifically a kind of production method preparing nano-calcium carbonate/Wood composite material.
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-calcium carbonate has good anti-impact and strengthens effect, and has higher chemical stability, heat endurance and non-migratory, and low price.Obtaining a kind of nano-calcium carbonate/Wood composite material with the inorganic modified timber of nano-calcium carbonate, by having good heat endurance, weatherability, case hardness, wearability, impact flexibility etc., therefore there is very high realistic meaning and promotion prospect.
Summary of the invention
The object of the present invention is to provide that a kind of technique is simple, efficient, the production method preparing nano-calcium carbonate/Wood composite material of environmental protection and low cost.
The technical solution adopted for the present invention to solve the technical problems is: a kind of production method preparing nano-calcium carbonate/Wood composite material, 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-calcium carbonate 20 ~ 40 mass parts and surfactant 0.5 ~ 2 mass parts in agitator, then water 300 ~ 400 mass parts is added, at 60 DEG C ~ 85 DEG C temperature, 6000r/min high-speed stirred 20 ~ 50min is not less than with rotating speed, then ultrasonic disperse 10 ~ 20min at 60 DEG C ~ 75 DEG C, add eight Boratex 10 ~ 15 mass parts again, Diammonium phosphate (DAP) 8 ~ 12 mass parts, boric acid 5 ~ 8 mass parts, ammonium molybdate 1 ~ 4 mass parts, carbendazim 8 ~ 12 mass parts, dodecyl benzyl dimethyl ammonium chloride 4 ~ 7 mass parts, Imidacloprid 3 ~ 6 mass parts, lauryl sodium sulfate 1 ~ 3 mass parts, 20 ~ 40min is stirred according to 80 ~ 200r/min rotating speed at 40 DEG C ~ 60 DEG C temperature, 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 ~ 1.5MPa air pressure, and be heated to 40 DEG C ~ 70 DEG C, keep 1 ~ 4h;
(5), rear drying process: pressure relief and after temperature is cooled to room temperature, discharge remaining modification liquid, taking-up timber wash, air-dry to surface without obvious water mark remain, then move to dry kiln carry out drying process, first baking temperature is controlled at 60 DEG C ~ 85 DEG C, keep 12 ~ 24h, be then warming up to 90 DEG C ~ 120 DEG C, and after keeping 8 ~ 16h, be cooled to room temperature, namely obtain the improved wood that moisture content is 5% ~ 15%.
Step (1) described log is suitable for any timber, comprises poplar, birch, nanmu, Eucalyptus, China fir, pine etc.
Step (2) described nano-calcium carbonate is the precipitated calcium carbonate nano particle of particle diameter at 1 ~ 100nm.
Step (2) described surfactant is the one in AEO, polyoxyethylate amide, neopelex.
The invention has the beneficial effects as follows, the present invention has that treatment process is simple, efficient, environmental protection and low cost and other advantages, and adopting nano-calcium carbonate to carry out, modification has good enhancing, weightening finish, anti-current are become estranged improves the effects such as stability, timber after treatment is all obviously promoted in case hardness, wearability, bending strength, Deflection Modulus of Elasticity, 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.
Prepare a production method for nano-calcium carbonate/Wood composite material, 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-calcium carbonate 20 ~ 40 mass parts and surfactant 0.5 ~ 2 mass parts in agitator, then water 300 ~ 400 mass parts is added, at 60 DEG C ~ 85 DEG C temperature, 6000r/min high-speed stirred 20 ~ 50min is not less than with rotating speed, then ultrasonic disperse 10 ~ 20min at 60 DEG C ~ 75 DEG C, add eight Boratex 10 ~ 15 mass parts again, Diammonium phosphate (DAP) 8 ~ 12 mass parts, boric acid 5 ~ 8 mass parts, ammonium molybdate 1 ~ 4 mass parts, carbendazim 8 ~ 12 mass parts, dodecyl benzyl dimethyl ammonium chloride 4 ~ 7 mass parts, Imidacloprid 3 ~ 6 mass parts, lauryl sodium sulfate 1 ~ 3 mass parts, 20 ~ 40min is stirred according to 80 ~ 200r/min rotating speed at 40 DEG C ~ 60 DEG C temperature, after dispersed, namely Wood modifier obtained used, wherein, described nano-calcium carbonate is the precipitated calcium carbonate nano particle of particle diameter at 1 ~ 100nm, and described surfactant is the one in AEO, polyoxyethylate amide, neopelex.
(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 ~ 1.5MPa air pressure, and be heated to 40 DEG C ~ 70 DEG C, keep 1 ~ 4h;
(5), rear drying process: pressure relief and after temperature is cooled to room temperature, discharge remaining modification liquid, taking-up timber wash, air-dry to surface without obvious water mark remain, then move to dry kiln carry out drying process, first baking temperature is controlled at 60 DEG C ~ 85 DEG C, keep 12 ~ 24h, be then warming up to 90 DEG C ~ 120 DEG C, and after keeping 8 ~ 16h, be cooled to room temperature, namely obtain the improved wood that moisture content is 5% ~ 15%.
Claims (3)
1. prepare a production method for nano-calcium carbonate/Wood composite material, 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-calcium carbonate 20 ~ 40 mass parts and surfactant 0.5 ~ 2 mass parts in agitator, then water 300 ~ 400 mass parts is added, at 60 DEG C ~ 85 DEG C temperature, 6000r/min high-speed stirred 20 ~ 50min is not less than with rotating speed, then ultrasonic disperse 10 ~ 20min at 60 DEG C ~ 75 DEG C, add eight Boratex 10 ~ 15 mass parts again, Diammonium phosphate (DAP) 8 ~ 12 mass parts, boric acid 5 ~ 8 mass parts, ammonium molybdate 1 ~ 4 mass parts, carbendazim 8 ~ 12 mass parts, dodecyl benzyl dimethyl ammonium chloride 4 ~ 7 mass parts, Imidacloprid 3 ~ 6 mass parts, lauryl sodium sulfate 1 ~ 3 mass parts, 20 ~ 40min is stirred according to 80 ~ 200r/min rotating speed at 40 DEG C ~ 60 DEG C temperature, 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 ~ 1.5MPa air pressure, and be heated to 40 DEG C ~ 70 DEG C, keep 1 ~ 4h;
(5), rear drying process: pressure relief and after temperature is cooled to room temperature, discharge remaining modification liquid, taking-up timber wash, air-dry to surface without obvious water mark remain, then move to dry kiln carry out drying process, first baking temperature is controlled at 60 DEG C ~ 85 DEG C, keep 12 ~ 24h, be then warming up to 90 DEG C ~ 120 DEG C, and after keeping 8 ~ 16h, be cooled to room temperature, namely obtain the improved wood that moisture content is 5% ~ 15%.
2. a kind of production method preparing nano-calcium carbonate/Wood composite material according to claim 1, is characterized in that, step (2) described nano-calcium carbonate is the precipitated calcium carbonate nano particle of particle diameter at 1 ~ 100nm.
3. a kind of production method preparing nano-calcium carbonate/Wood composite material according to claim 1, is characterized in that, step (2) described surfactant is the one in AEO, polyoxyethylate amide, neopelex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819380.1A CN104858963A (en) | 2014-12-25 | 2014-12-25 | Nano calcium carbonate /wood composite material production method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819380.1A CN104858963A (en) | 2014-12-25 | 2014-12-25 | Nano calcium carbonate /wood composite material production method |
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| Publication Number | Publication Date |
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| CN104858963A true CN104858963A (en) | 2015-08-26 |
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| CN201410819380.1A Pending CN104858963A (en) | 2014-12-25 | 2014-12-25 | Nano calcium carbonate /wood composite material production method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182268A (en) * | 2016-07-13 | 2016-12-07 | 阜南县大喜柳编工艺品有限公司 | A kind of purple willow insect prevention preservative |
| CN106378843A (en) * | 2016-11-28 | 2017-02-08 | 赛为木业（石首）有限公司 | Furfuralcohol polymer impregnated wood material and preparation method thereof |
| CN106541476A (en) * | 2016-10-11 | 2017-03-29 | 阜阳市伟叶家具有限公司 | It is a kind of to add the wear-resisting enhanced fast growing wood modifying agent of modified calcium carbonate |
| CN109778556A (en) * | 2019-02-13 | 2019-05-21 | 常州崇高纳米材料有限公司 | A kind of antibacterial and mouldproof waterborne polyurethane synthetic leather and preparation method thereof |
| CN112077967A (en) * | 2020-09-15 | 2020-12-15 | 清华大学 | Wood strengthening treatment equipment and method |
-
2014
- 2014-12-25 CN CN201410819380.1A patent/CN104858963A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182268A (en) * | 2016-07-13 | 2016-12-07 | 阜南县大喜柳编工艺品有限公司 | A kind of purple willow insect prevention preservative |
| CN106541476A (en) * | 2016-10-11 | 2017-03-29 | 阜阳市伟叶家具有限公司 | It is a kind of to add the wear-resisting enhanced fast growing wood modifying agent of modified calcium carbonate |
| CN106378843A (en) * | 2016-11-28 | 2017-02-08 | 赛为木业（石首）有限公司 | Furfuralcohol polymer impregnated wood material and preparation method thereof |
| CN109778556A (en) * | 2019-02-13 | 2019-05-21 | 常州崇高纳米材料有限公司 | A kind of antibacterial and mouldproof waterborne polyurethane synthetic leather and preparation method thereof |
| CN112077967A (en) * | 2020-09-15 | 2020-12-15 | 清华大学 | Wood strengthening treatment equipment and method |
| CN112077967B (en) * | 2020-09-15 | 2021-11-30 | 清华大学 | Wood strengthening treatment equipment and method |
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Application publication date: 20150826 |
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