CN104647500B - Impregnation liquid used for processing of rubber-wood heated floor - Google Patents
Impregnation liquid used for processing of rubber-wood heated floor Download PDFInfo
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- CN104647500B CN104647500B CN201310577297.3A CN201310577297A CN104647500B CN 104647500 B CN104647500 B CN 104647500B CN 201310577297 A CN201310577297 A CN 201310577297A CN 104647500 B CN104647500 B CN 104647500B
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- rubber
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- impregnation
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- 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
- 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
- B27K2240/70—Hydrophobation treatment
Abstract
The invention discloses an impregnation liquid used for processing of a rubber-wood heated floor. The impregnation liquid is prepared by mixing the following components by weight: 3 to 30% of, in terms of silica, an alkaline silica sol, 0.2 to 20% of a waterfroof agent and 0.05 to 3% of a silane coupling agent, with the balance being water. The impregnation liquid provided by the invention can be directly used for impregnation processing of a wet rubber wood plate, so energy consumption and production cost are reduced and the impregnation liquid provided by the invention overcomes the problems of high energy consumption and production cost caused by the fact that a dry rubber-wood plate is needed for impregnation processing with conventional impregnation liquids and the problem that the conventional impregnation liquids are prone to release of formaldehyde and like; the impregnation liquid provided by the invention does not contain components like resin releasing formaldehyde, is environment-friendly, can effectively improve waterproofness, hardness, strength, flame resistance, wear resistance, toughness and the like of rubber wood and has good loss resistance; the stability, thermal conductivity and the like of the prepared heated floor thoroughly exceed those of multilayer solid-wood composite heated floors; and the economical value of rubber wood is increased.
Description
Technical field
The present invention relates to wood processing technique field, more particularly to a kind of rubber wood timber heating floor processing maceration extract.
Background technology
China is the consumption big country of timber in the world, is again the per capita forest in the whole world（Timber）The minimum country of resource
One of.With rapid economic development, the raising of living standards of the people, the further increase of China's lumber consumption, the contradiction of supply and demand
It is further exacerbated by.2006, China's timber total flow was 3.37 hundred million m3, 1.4～1.5 hundred million m of domestic annual supply3, lumber market
The breach of supply is up to 1.6 hundred million m3More than.Calculate according to nearly 10 years China timber consumption average annual growth rate 3.71%, it is contemplated that arrive
The Wood consumption of the year two thousand twenty China is up to 600,000,000 m3Left and right, insufficiency of supply-demand will be increased further.Therefore, it is efficiently used wood
Material, the service life of prolonging wood, the superior application of low-grade timber is built a resource-conserving society and environmental protection tool to China
There is its own strategic significance.
Evolution of the timber through millions of years, having defined can meet several functions requirement with the various environmental stresses of tolerance
Microstructure and material are constituted.What is more important, timber has the hierarchical porous structure being characterized with honeycomb structure, this
Pore structure form is that prior art cannot be produced.But, timber is particularly that artificial forest wood density is low, mechanical strength is low, table
Surface hardness is low, abrasion performance is poor, meanwhile, the variability of timber and inevitable natural defect make the resource utilization of timber and
It is greatly affected using space.Therefore, according to the unique chemical composition of timber, microstructure and porous level structure body
System, carrying out high performance, functional modification to timber becomes the important subject of wood-processing industry, the scientist to this various countries
Substantial amounts of experiment and theory study are carried out.
Rubber wood timber is that after rubber tree was tapped rubber Jing many years, gradually aging, seldom, Jing eliminates the wood that felling updates to gum yield
Material, but because rubber wood timber is yielding, wet plate is perishable, discoloration the characteristics of, never utilized well, in recent years,
Because wildwood timber is reduced year by year, rubber wood timber resource is paid attention to, but is limited to technical conditions, can only simply preservative treatment
Afterwards, as low side materials'use.In recent years, mostly adopt both at home and abroad using element silicon timber is carried out as host it is inorganic modified,
But although inorganic modified wood improves a lot at aspects such as hardness, intensity, anti-flammability, wearabilities, but cause fragility to increase
Plus, toughness decline, meanwhile, modifying agent leach resistance is poor, and over time performance is constantly deteriorated to cause material.
The patent of invention of CN101716790A discloses a kind of method for producing rubber tree carbonized wood by resin pretreatment, its be by
The moisture content impregnating resin solution in vacuum tank of the rubber wood timber less than 15%, the resin for adopting is Lauxite, phenolic resin etc.,
The defect of presence is：Need in advance to impregnate rubber wood timber drying, high energy consumption increased production cost, and the composition of impregnation
For Lauxite or phenolic resin, made by product can sustained release formaldehyde, not environmentally, Lauxite or phenolic resin are also deposited
Preserving the defects such as short, reusability poor (meeting progressively auto polymerization, solidification), production cost height.
The content of the invention
It is an object of the invention to provide a kind of rubber wood timber heating floor processing maceration extract, is used directly for rubber wood timber
The impregnation processability of wet plate, reduces energy consumption and production cost, solve conventional maceration extract need rubber wood timber dry plate could impregnate plus
The problems such as work causes the high problem of energy consumption and production cost and conventional maceration extract easy release formaldehyde, maceration extract is without can discharge
The compositions such as the resin of formaldehyde, it is more environmentally friendly, water proofing property, hardness, intensity, anti-flammability, wearability, the toughness of rubber wood timber can be effectively improved
Deng leach resistance is good, and stability, thermal conductivity of gained heating floor etc. exceed multi-layer solid-wood composite heated, carries comprehensively
The high economic worth of rubber wood timber.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of rubber wood timber heating floor processing maceration extract, the maceration extract is mixed by the component of following percentage by weight meter
Composition：Alkaline silica sol is calculated as 3%-30%, waterproofing agent 0.2%-20%, silane coupler 0.05%-3% with the weight of silica,
Water surplus.Because the object of present invention processing is rubber wood timber wet plate, conventional maceration extract cannot be suitable for, and the present invention develops special
In the dipping formula of liquid of rubber wood timber wet plate processing, preferably can combine with the infiltration of rubber wood timber wet plate.
Now conventional impregnation process liquid is synthetic resin（Lauxite, phenolic resin）Or modified synthetic resin.
After impregnation process and dry solidification, synthetic resin is most of to be deposited and is filled in the lumen of timber, only minimal amount
With cell wall-bound.And the performance of cell membrane is only the principal element for determining wood performance.Therefore, synthetic resin physics is filled in
Improvement of the processing method in lumen to strength of wood and dimensional stability is limited.
The maceration extract of the present invention is then entirely different with conventional impregnation process liquid, the maceration extract composition energy and rubber of the present invention
Wooden wood cell wall molecule combines, and reinforces cell membrane, meanwhile, this maceration extract can progressively be polymerized produce densification in the curing process
Network structure, have stronger water proofing property and leach resistance, therefore, it is water proofing property, hardness, intensity, anti-flammability, wearability, tough
Property etc. is good.
Mixed as maceration extract, first using alkaline silica sol, sodium methyl silicate (or potassium methyl silicate) and silane coupler
Base sodium metasilicate or potassium methyl silicate（Waterproofing agent）Waterproof layer inherently can be formed at cell membrane, preferably waterproof reinforced is played and is made
With Ludox itself can also play waterproof and booster action, but Ludox fragility is too big, is easily broken off by external force, so as to big
It is big to reduce water proofing property；Therefore, it is of the invention by sodium methyl silicate or potassium methyl silicate（Waterproofing agent）Ludox is coordinated to use, two kinds multiple
Waterproof reinforced effect is closed, and enables silica to produce the strong connection of silanol with sodium methyl silicate or potassium methyl silicate, and
Change glue-line（Ludox）Fragility, strengthen glue-line（Ludox）Toughness, improve water proofing property, meanwhile, silane idol
The addition of connection agent increased the cellulose and glue-line of cell membrane（Ludox）Combination, greatly reinforced and cell membrane combination
Power, improves leach resistance.Therefore, modified using this maceration extract of the invention, the combination property of rubber wood timber has larger
Lifted, and better than the modified effect of the maceration extracts such as equal synthetic resin.
Additionally, the maceration extract composition of the present invention is avoided and uses synthetic resin（Lauxite, phenolic resin etc.）Or it is modified
Synthetic resin, therefore, formaldehydeless release is more environmentally friendly.
Preferably, the waterproofing agent is sodium methyl silicate or potassium methyl silicate, the addition of the waterproofing agent is solid with it
Content meter.
Alkaline silica sol is calculating addition, waterproofing agent after the amount for being converted into silica：Sodium methyl silicate or methyl
Potassium silicate（General solid content >=20%）, it is calculating addition after the amount for being converted into its solid content.
Preferably, the silane coupler model is selected from KH550, KH560, KH570, KH792, DL-602, DL-171
In one kind.
The invention has the beneficial effects as follows：The impregnation processability of rubber wood timber wet plate is used directly for, energy consumption and production is reduced
Cost, solves the problems, such as that traditional rubber wood processing needs dry plate ability impregnation processability to cause energy consumption and production cost high, impregnates
Liquid without can release formaldehyde the composition such as resin, it is more environmentally friendly, the water proofing property of rubber wood timber, hardness, intensity, fire-retardant can be effectively improved
Property, wearability, toughness etc., leach resistance is good, and stability, thermal conductivity of gained heating floor etc. are comprehensively multiple more than multi-layer solid wood
Heating floor is closed, the economic worth of rubber wood timber is improve.
Specific embodiment
Below by specific embodiment, technical scheme is described in further detail.
In the present invention, if not refering in particular to, the raw material for being adopted and equipment etc. are commercially available or commonly used in the art.
Method in following embodiments, if no special instructions, is the conventional method of this area.
Alkaline silica sol, waterproofing agent and silane coupler are commercially available prod.
Embodiment 1：
（1）, by rubber wood timber blanket（Survey rubber wood timber proportion:0.65/cm3, moisture content 20%, thickness 20mm is with head section material
It is main）Impregnating autoclave is put into, less than 3 impregnation cycles are carried out：Vacuum -0.06Mpa is evacuated to, is kept for 30 minutes, be then injected into
Maceration extract, is forced into 0.2Mpa, is kept for 2 hours, finally discharges maceration extract（First circulation）.Carry out second to circulate, take out
Without being kept for 30 minutes after vacuum, other are identical with first circulation.
Impregnating formula of liquid is（Each component is weight percentage）：Alkaline silica sol（In terms of the weight of silica）For
3%, sodium methyl silicate（In terms of solid content）0.2%, silane coupler（KH550）0.05%, water 96.75%.
（2）, open impregnating autoclave, take out step（1）The rubber wood timber blanket that process is completed, lamination puts dry kiln, steams in saturation
Under vaporous state, 160 DEG C are to slowly warm up to, are kept for 8 hours, be cooled to 45 DEG C, discharge saturated vapor, be then to slowly warm up to 100
DEG C, it is dried to moisture content≤10%；
（3）, step（2）The rubber wood timber blanket that process is completed, Jing ground sheet metal forming（Conventional method）, UV applications（Routine side
Method）, check, get product after packaging.
Embodiment 2：
（1）, by rubber wood timber blanket（Survey rubber wood timber proportion:0.55cm3, moisture content 80%, thickness 20mm is with latter end material
It is main）Impregnating autoclave is put into, less than 5 impregnation cycles are carried out：Vacuum -0.08Mpa is evacuated to, is kept for 20 minutes, be then injected into
Maceration extract, is forced into 1Mpa, is kept for 1 hour, finally discharges maceration extract（First circulation）.Carry out second to circulate, take out true
Without being kept for 20 minutes after sky, other are identical with first circulation.
Impregnating formula of liquid is（Each component is weight percentage）：Alkaline silica sol（In terms of the weight of silica）For
30%, sodium methyl silicate（In terms of solid content）20%, silane coupler（KH560）3%, water 47%.
（2）, open impregnating autoclave, take out step（1）The rubber wood timber blanket that process is completed, lamination puts dry kiln, steams in saturation
Under vaporous state, 100 DEG C are to slowly warm up to, are kept for 24 hours, be cooled to 35 DEG C, discharge saturated vapor, be then to slowly warm up to 80
DEG C, it is dried to moisture content≤10%；
（3）, step（2）The rubber wood timber blanket that process is completed, Jing ground sheet metal forming（Conventional method）, UV applications（Routine side
Method）, check, get product after packaging.
Embodiment 3：
（1）, by rubber wood timber blanket（Survey rubber wood timber proportion:0.60/cm3, moisture content 50%, thickness 20mm is with head section material
It is main）Impregnating autoclave is put into, less than 4 impregnation cycles are carried out：Vacuum -0.08Mpa is evacuated to, is kept for 30 minutes, be then injected into
Maceration extract, is forced into 0.5Mpa, is kept for 1.5 hours, finally discharges maceration extract（First circulation）.Carry out second to circulate,
Without being kept for 30 minutes after vacuumizing, other are identical with first circulation.
Impregnating formula of liquid is（Each component is weight percentage）：Alkaline silica sol（In terms of the weight of silica）For
15%, potassium methyl silicate（In terms of solid content）15%, silane coupler（KH570）2%, water 68%.
（2）, open impregnating autoclave, take out step（1）The rubber wood timber blanket that process is completed, lamination puts dry kiln, steams in saturation
Under vaporous state, 120 DEG C are to slowly warm up to, are kept for 15 hours, be cooled to 40 DEG C, discharge saturated vapor, be then to slowly warm up to 90
℃（Conventional drying）, it is dried to moisture content≤10%；
（3）, step（2）The rubber wood timber blanket that process is completed, Jing ground sheet metal forming（Conventional method）, UV applications（Routine side
Method）, check, get product after packaging.
Embodiment 4：
（1）, by rubber wood timber blanket（Survey rubber wood timber proportion:0.55/cm3, moisture content 20%, thickness 20mm is with latter end material
It is main）Impregnating autoclave is put into, less than 2 impregnation cycles are carried out：Vacuum -0.08Mpa is evacuated to, is kept for 30 minutes, be then injected into
Maceration extract, is forced into 0.4Mpa, is kept for 1.5 hours, finally discharges maceration extract（First circulation）.Second circulation is carried out, is taken out
Without being kept for 30 minutes after vacuum, other are identical with first circulation.
Impregnating formula of liquid is（Each component is weight percentage）：Alkaline silica sol（In terms of the weight of silica）For
10%, sodium methyl silicate（In terms of solid content）5%, silane coupler（DL-171）2.5%, water 82.5%.
（2）, open impregnating autoclave, take out step（1）The rubber wood timber blanket that process is completed, lamination puts dry kiln, steams in saturation
Under vaporous state, 120 DEG C are to slowly warm up to, are kept for 15 hours, be cooled to 40 DEG C, discharge saturated vapor, be then to slowly warm up to 90
℃（Conventional drying）, it is dried to moisture content≤10%；
（3）, step（2）The rubber wood timber blanket that process is completed, Jing ground sheet metal forming（Conventional method）, UV applications（Routine side
Method）, check, get product after packaging.
Stability, thermal conductivity etc. are produced using maceration extract of the present invention and exceedes multi-layer solid-wood composite heated standard comprehensively
The rubber wood timber solid wood geothermal energy floor of (People's Republic of China (PRC) forestry industry standard LY/T 1700-2007).Design parameter：It is heat-resisting
Dimensional stability (shrinkage factor)：Long≤0.3%, wide≤0.4%；Moisture-proof dimensional stability (expansion rate)：Long≤0.2%, wide≤
0.3%.Heat conduction efficiency >=8 degree/hour.Burst size of methanal≤0.3mg/L (more than E0 levels≤0.5mg/L), surface humidity resistance
Energy:Flawless, without bubbling, without discoloration.The resistance to cracking in surface:Flawless.The cold-resistant thermal cycle in surface:Flawless, without bubbling.
Embodiment described above is one kind preferably scheme of the present invention, not makees any pro forma to the present invention
Limit, also have other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (2)
1. a kind of rubber wood timber heating floor processing maceration extract, it is characterised in that：The maceration extract is by following percentage by weight meter
Component mixing composition：Alkaline silica sol is calculated as 3%-30%, waterproofing agent 0.2%-20%, silane coupler with the weight of silica
0.05%-3%, water surplus；The waterproofing agent is sodium methyl silicate or potassium methyl silicate, and the addition of the waterproofing agent is contained admittedly with it
Gauge.
2. a kind of rubber wood timber heating floor processing maceration extract according to claim 1, it is characterised in that：The silane idol
The one kind of connection formulation number in KH550, KH560, KH570, KH792, DL-602, DL-171.
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| CN201310577297.3A CN104647500B (en) | 2013-11-19 | 2013-11-19 | Impregnation liquid used for processing of rubber-wood heated floor |
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| CN104647500B true CN104647500B (en) | 2017-04-12 |
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Families Citing this family (7)
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| CN105128098B (en) * | 2015-07-10 | 2017-11-10 | 中国林业科学研究院木材工业研究所 | A kind of core plate and preparation method thereof and a kind of solid wooden compound floor and preparation method thereof |
| CN108162096A (en) * | 2017-12-07 | 2018-06-15 | 常州市日臣艺术装饰材料有限公司 | A kind of preparation method of multi-layer solid wood composite ground heating floor |
| CN108329804B (en) * | 2018-02-12 | 2020-02-11 | 莆田学院 | Preparation method of nitrogen-containing silica sol and phosphorus synergistic flame-retardant epoxy acrylate coating |
| CN108453854B (en) * | 2018-03-28 | 2021-03-12 | 中国科学院理化技术研究所 | High-thermal-conductivity-coefficient wood based on water glass filling and preparation method and application thereof |
| CN111168791B (en) * | 2018-11-09 | 2022-04-08 | 青岛科技大学 | Preparation of reconstituted wood with water repellency properties |
| CN109434989B (en) * | 2018-11-29 | 2020-12-11 | 江永县青鹤铝业有限公司 | Fireproof wood for aluminum-clad wood doors and windows and preparation method thereof |
| CN111618963A (en) * | 2020-05-24 | 2020-09-04 | 安信伟光(上海)木材有限公司 | Production process of water-based inorganic modification liquid for solid wood geothermal floor |
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Effective date of registration: 20171108 Address after: 571826 Hainan province Lingao County town of dovin state farm in Honghua (Honghua wood factory) Patentee after: Hainan Long Tai Tai Wood Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 311200 Xiaoshan District Chengxiang Street North Hill Road No. 189 Patentee before: Huang Peiwei |
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Effective date of registration: 20171208 Address after: 571826 Hainan province Lingao County town of dovin state farm in Honghua (Honghua wood factory) Patentee after: Hainan Long Tai Tai Wood Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 311200 Xiaoshan District Chengxiang Street North Hill Road No. 189 Patentee before: Huang Peiwei |