CN110039625A - A kind of flattening bamboo substrate material and preparation method thereof, flattening bamboo flooring and its application - Google Patents
A kind of flattening bamboo substrate material and preparation method thereof, flattening bamboo flooring and its application Download PDFInfo
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- CN110039625A CN110039625A CN201910458933.8A CN201910458933A CN110039625A CN 110039625 A CN110039625 A CN 110039625A CN 201910458933 A CN201910458933 A CN 201910458933A CN 110039625 A CN110039625 A CN 110039625A
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- flattening bamboo
- bamboo
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- substrate material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02177—Floor elements for use at a specific location
- E04F15/02183—Floor elements for use at a specific location for outdoor use, e.g. in decks, patios, terraces, verandas or the like
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/181—Insulating layers integrally formed with the flooring or the flooring elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention relates to a kind of flattening bamboo substrate material and preparation method thereof, flattening bamboo flooring and its applications, belong to floor manufacturing technology field.The present invention provides a kind of preparation methods of flattening bamboo substrate material, including following preparation step: flattening bamboo being carried out splicing gluing, obtains flattening Bamboo veneer；The flattening Bamboo veneer is applied into gluing agent solution, assembly after drying obtains flattening bamboo slab；The flattening bamboo slab is subjected to hot pressing compacting, obtains flattening bamboo substrate material.The flattening bamboo substrate material plate is successively carried out to fixed thick sanding, surface milling type, the mould proof processing of surface anticorrosion and coating coating to handle to obtain flattening bamboo flooring.Flattening bamboo floor strength, hardness, dimensional stability and the good weatherability that preparation method provided by the invention obtains, expansion rate of water absorption is low, and glue consumption is few, surface is smooth, closely knit, uses no degumming tilt problems for a long time, and preparation process is simple, production cost is low, is suitable for industrialized production.
Description
Technical field
The present invention relates to floor manufacturing technology fields, and in particular to a kind of flattening bamboo substrate material and preparation method thereof, flattening
Bamboo flooring and its application.
Background technique
Outdoor use floor, also known as outdoor deck are a kind of widely used outdoor pavements.In garden landscape, outdoor
Pavement, greenery patches park, wetland park, National forest park, marina and medium-to-high grade villa outdoor landscape, high level build
Outdoor afforestation, the glass sunlight house etc. for building top are widely used.
The multiple materials such as cement, rubber, wood bamboo material can be used in the outdoor pavement of manufacture outdoor floor etc., but from beauty
For the environmental-protecting performance of sight degree, the compatible degree of the comfort level of feel and surrounding landscape and material therefor, outside wooden or bamboo matter room
Floor is generally more by the welcome of each landscape engineering or Building Engineering Design person.
(open air) floor is to develop a kind of faster Novel outdoor pavement in recent years outside bamboo matter room.In existing technology
In be mainly made of Recombined bamboo (also known as heavy bamboo) material, main preparation process include remove bamboo cane bamboo is green and tabasheer,
It carries out ten times or so roll and bamboo silk (i.e. bamboo fiber bundle, or " bamboo beam ") is made, then carry out high temperature cabonization etc..But the system
Bamboo cane is rolled into bamboo silk (or bamboo beam) and carbonisation the reduction that can all lead to the intensity of bamboo fibre in Preparation Method.Cause
And it needs to guarantee its property data by increasing resin added and improving panel density.Usually making every cubic metre of plate needs
With 1.2~1.3 tons of bamboo material, consumptive material is more, at high cost；In addition, being easy to happen in use using the outdoor floor that Recombined bamboo is constituted
Bamboo degumming of silk warps, and weatherability is also difficult to reach the requirement of user.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of flattening bamboo backing material plates and preparation method thereof, flattening bamboo flooring
And its application.Flattening bamboo substrate material preparation method simple process provided by the invention, drastically reduces use during the preparation process
Glue amount and bamboo material dosage, reduce costs, while improving the weatherability on floor.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of preparation methods of flattening bamboo substrate material, including following preparation step:
(1) flattening bamboo is subjected to splicing gluing, obtains flattening Bamboo veneer；
(2) the flattening Bamboo veneer is applied into gluing agent solution, assembly after drying obtains flattening bamboo slab；
(3) the flattening bamboo slab is subjected to hot pressing compacting, obtains flattening bamboo substrate material.
Preferably, splicing is glued at pressure to carry out under conditions of 0.5~1.0MPa in the step (1)；The splicing
Glued resin added is 200~300g/m2。
Preferably, gluing agent solution includes adhesive and preservative in the step (2)；The adhesive is phenolic aldehyde gluing
One or more of agent, resorcinol-formaldehyde adhesive and MDI ecology adhesive；The preservative be boron system preservative and/
Or fluorine system preservative；
Preferably, the mass ratio of the adhesive and preservative is 5~10:1.
Preferably, the resin added that gluing agent solution is applied in the step (2) is 250~300g/m2。
Preferably, temperature dry in the step (2) is 60~90 DEG C, and the dry time is 20~30min.
Preferably, the temperature that hot pressing is suppressed in the step (3) is 140~160 DEG C, and pressure is 1~3MPa；With flattening bamboo
The thickness gauge of slab, time are that 1~1.5min is suppressed in every millimeter of flattening bamboo slab hot pressing.
The present invention also provides the flattening bamboo substrate materials that the preparation method as described in above-mentioned technical proposal is prepared.
The present invention also provides a kind of flattening bamboo flooring, the flattening bamboo substrate material plate as described in above-mentioned technical proposal is successively carried out
Fixed thickness sanding, surface milling type, the mould proof processing of surface anticorrosion and coating coating handle to obtain.
Preferably, medicament used in the mould proof processing of the surface anticorrosion includes boron system Antisepticize and mildew preventive, fluorine system Antisepticize and mildew preventive
And water；
It includes acrylic paint, polyurethane paint, wood wax oil or polyurethane coating that the coating coating, which handles coating used,.
Application the present invention also provides flattening bamboo flooring described in above-mentioned technical proposal as outdoor pavement.
The present invention provides a kind of preparation methods of flattening bamboo substrate material, including following preparation step: flattening bamboo is carried out
Splicing is glued, obtains flattening Bamboo veneer；The flattening Bamboo veneer is applied into gluing agent solution, assembly after drying obtains flattening bamboo
Slab；The flattening bamboo slab is subjected to hot pressing compacting, obtains flattening bamboo substrate material.The present invention prepares base by raw material of flattening bamboo
Material plate, since flattening bamboo remains the elementary cell structure of bamboo wood, relative to it is traditional with bamboo silk (bamboo beam) be primary raw material system
Outdoor floor is made, does not need to carry out bamboo cane during at plate the technical process such as to roll, be carbonized, maintains the basic cell of bamboo wood
Structure, during at plate, density, glue consumption and hot pressing pressure will be much lower, and simplify preparation process, effectively reduce
Production cost；Meanwhile impregnation, drying, assembly and hot pressing pressing process being cooperated to improve the uniform of backing material plate internal density distribution
Property, and then the intensity and yield rate of backing material plate are improved, also solve the plate that bamboo silk (bamboo beam) floor occurs in use
The degumming tilt problems of material surface bamboo silk, improve the weatherability on floor.By embodiment test result it is found that using of the invention
Method, which prepares backing material plate bamboo wood dosage, reduces 37.5~62.5%, and glue consumption saves 20~30%, panel density uniformity
It is increased substantially with yield rate.
The present invention also provides a kind of flattening bamboo flooring, the flattening bamboo substrate material as described in above-mentioned technical proposal is successively determined
Thick sanding, surface milling type, the mould proof processing of surface anticorrosion and coating coating handle to obtain.Flattening bamboo backing material plate tool prepared by the present invention
Have that density is low, advantage of good weatherability, after being prepared into flattening bamboo flooring, can under the premise of guaranteeing floor strength and hardness,
Every cubic metre of floor saves nearly 200~300 kilograms of bamboo wood, saves bamboo wood and glue consumption, reduces production cost, improves ground
The weatherability of plate, is good for the environment.
Application the present invention also provides flattening bamboo flooring described in a kind of above scheme as outdoor pavement, using this
The flattening bamboo flooring provided is provided, the harsh weather of outdoor wind and weather solarization can be resisted, improve the service life on floor.
Specific embodiment
The present invention provides a kind of preparation methods of flattening bamboo substrate, including following preparation step:
(1) flattening bamboo is subjected to splicing gluing, obtains flattening Bamboo veneer；
(2) the flattening Bamboo veneer is applied into gluing agent solution, assembly after drying obtains flattening bamboo slab；
(3) the flattening bamboo slab is subjected to hot pressing compacting, obtains flattening bamboo substrate.
Flattening bamboo is carried out splicing gluing by the present invention, obtains flattening Bamboo veneer.
In the present invention, the flattening bamboo preferably by bamboo wood successively through except bamboo blueness and ring interlayer, broken bamboo, sofening treatment,
Flattening, fixed width is fixed thick and is dried to obtain.The present invention for described except bamboo blueness and ring interlayer, broken bamboo processing are not particularly limited,
Using method well known in the art.In the present invention, the length of the bamboo wood is preferably 2~3m, more preferably 2.5m.?
In the present invention, the sofening treatment is preferably high-temperature steam sofening treatment；The temperature of the sofening treatment is preferably 160~180
DEG C, more preferably 165~175 DEG C；The time of the sofening treatment is preferably 10~30min, more preferably 15~25min.?
In the present invention, the temperature of sofening treatment is excessively high, overlong time will cause bamboo culm wall mass degradation, and flattening bamboo intensity is caused to drop
It is low；The temperature of sofening treatment is too low, the time too short bamboo wood that will cause softens insufficient and plate occurs in subsequent flattening workshop section and tears
It splits；The bamboo chip that the present invention obtains broken bamboo carries out high-temperature steam sofening treatment, and the temperature and time for controlling sofening treatment is advantageous
It is operated in subsequent bamboo wood expanding.In the present invention, the flattening preferably carries out in bamboo cane flattening machine.In the present invention, institute
Obtain width preferably after stating the fixed thickness of fixed width as 50~200mm, the flattening bamboo with a thickness of 5~10mm, the flattening bamboo has consistent
Width and thickness, be conducive to subsequent machining operations.In the present invention, the drying is preferably using rolling drying；The rolling
Dry pressure is preferably 0.5~1.0MPa, and the dry temperature of the rolling is preferably 60~90 DEG C, more preferably 65~85
℃；The rolling dry time is preferably 15~30min, more preferably 20~25min.In the present invention, after drying
To the moisture content of flattening bamboo be preferably 10~15%.
In the present invention, the splicing is glued preferably carries out under conditions of pressure is 0.5~1.0MPa；The splicing glue
The resin added of conjunction is preferably 200~300g/m2, more preferably 200~250g/m2.In the prior art used in flattening bamboo splicing gluing
Adhesive be urea-formaldehyde adhesive, but this kind of adhesive weatherability is poor, is mainly used for indoor furniture, chopping board etc., it is impossible to be used in
Outdoor, especially outdoor floor.In the present invention, the glued glue used of the splicing is preferably MDI modified phenolic glue, the present invention
Using MDI modified phenolic glue, the weatherability of flattening Bamboo veneer is improved, and then improves the weatherability of flattening bamboo substrate.The spelling
Connect glued mode preferably will flattening Bamboo veneer forward side gluing, by forward carrying out on the spelling width machine with four surface pressures
Splicing is glued, and flattening bamboo is combined into whole Zhang Zhanping Bamboo veneer, wherein four surface pressures specifically refer to pressurization and lateral pressurization up and down；
The width of the whole Zhang Zhanping Bamboo veneer is preferably 1.3m, and length is preferably 2.5m.
After obtaining flattening Bamboo veneer, the flattening Bamboo veneer is applied gluing agent solution by the present invention, and assembly after drying obtains
Flattening bamboo slab.
In the present invention, the gluing agent solution preferably includes adhesive and preservative；The adhesive preferably includes phenol
One or more of aldehyde adhesive, resorcinol-formaldehyde adhesive and MDI ecology adhesive；The preservative preferably includes
Boron system preservative and/or fluorine system preservative.In the present invention, the mass ratio of the adhesive and preservative is preferably 5~10:1,
More preferably 5~8:1.In the present invention, the mode for applying gluing agent solution is preferably included in flattening Bamboo veneer forward side
It brushes or flattening Bamboo veneer is immersed into gluing agent solution in face.
In the present invention, the mass ratio of the flattening Bamboo veneer and gluing agent solution is preferably 10:1.Using of the invention
Preparation method can substantially reduce the usage amount of adhesive, save cost, be also beneficial to environmental protection.
In the present invention, the drying carries out preferably in mesh-belt drier；The temperature of the drying is preferably 60~
90 DEG C, more preferably 70~80 DEG C；The time of the drying is preferably 20~30min, more preferably 25min.In the present invention,
Drying temperature is excessively high, overlong time will lead to the failure of adhesive premature cure；Drying temperature is too low, the time too short will lead to flattening
Bamboo mat moisture content is unqualified, is easy to produce waste product in subsequent hot pressing.In the present invention, resulting after drying to contain glue
Flattening bamboo Veneer moisture is preferably 6~10%.
In the present invention, the mode of the assembly is in addition to all in such a way that flattening bamboo is forward superimposed other than assembly, can be with
Using Recombined bamboo as sandwich layer, to be overlapped assembly by forward stacking mode to flatten Bamboo veneer as outer layer.The present invention is for described
Recombined bamboo is not particularly limited, using Recombined bamboo well known in the art.The present invention uses such assemble pattern, can fill
Divide using on the basis of Recombined bamboo, does not reduce the quality of flattening bamboo substrate, reduce production cost.In the present invention, described group
Base thickness is preferably calculated according to the following conditions: 0.8~1.0g/cm of flattening bamboo substrate material density3, compression ratio is by flattening bamboo base
The thickness ratio of the thickness of plate and flattening bamboo slab is 1:(1.2~1.4), more preferably 1:1.3, sanding surplus is 0.5~
1mm。
After obtaining flattening bamboo slab, the flattening bamboo slab is carried out hot pressing compacting by the present invention, obtains flattening bamboo substrate material.
In the present invention, the density of the flattening bamboo substrate material is preferably 0.8~1.0g/cm3.The present invention is by flattening bamboo base
For the density limitations of plate in above range, effect is the mechanical strength for improving plate, while can save bamboo wood again.
In the present invention, the temperature of the hot pressing compacting is preferably 140~160 DEG C, and more preferably 145~155 DEG C；It is described
The pressure of hot pressing compacting is preferably 1~3MPa, more preferably 1.5~2.5MPa；The time of the hot pressing compacting is preferably every milli
1~1.5min is suppressed in rice flattening bamboo slab hot pressing.In the present invention, hot pressing compacting temperature is excessively high, overlong time, pressure are excessive
It will cause energy resources waste；Hot pressing temperature is too short, the time is too short, pressure is too small will cause the increasing of flattening bamboo substrate material rejection rate
Greatly.
In the present invention, hot pressing compacting preferably using the upper heat of heat it is lower and it is cold it is it is cold under by the way of carry out.In the present invention
In, the lower specific steps of the upper heat of heat are as follows: in the hot press for being 140~160 DEG C by flattening bamboo slab push-in temperature, increase
Pressure reaches the pressure of regulation hot pressing compacting, and hot pressing time calculates the dwell time by 1~1.5min/mm plate thickness, reaches hot pressing
Hot press ejecting plate is opened in the pressure release in the case where hot press does not cool down after dwell time.This technique saves the energy and time, raw
It produces high-efficient.In the present invention, the cold cold lower specific steps are as follows: the flattening bamboo slab is pushed into platen temperature 50~90
DEG C hot press in, increase pressure reach regulation hot pressing compacting pressure, temperature is raised simultaneously, when the temperature of hot press reaches institute
It after the temperature for stating hot pressing compacting, is kept for a period of time (1~1.5min/mm plate thickness), hot press leads to cold water and cools to 50~90 DEG C
Hot press ejecting plate is opened in pressure release afterwards.
In the present invention, after the completion of the hot pressing compacting, it is also preferable to include health, tailor and be put in storage preservation.In the present invention
In, the health preferably carries out under the conditions of room temperature is protected from light, and the room temperature is preferably 15~25 DEG C；The time of the health is preferred
It is 10~15 days.During health, the moisture content of flattening bamboo backing material plate and moisture content in the air can be made to reach balance,
And then prevent sheet deformation.
The present invention does not have special restriction to the mode tailored and specific size, with the exhibition met the size requirements
Flat bamboo backing material plate is advisable.
When the flattening bamboo backing material plate is carried out storage and saves by the present invention, relative air humidity in the storehouse preferably with
The relative humidity of the outer atmosphere of storehouse is almost the same.During being put in storage preservation, in the moisture content and air of flattening bamboo backing material plate
Relative humidity further reaches balance, and according to different relative air humidities, keeping the equilibrium moisture content of flattening bamboo backing material plate is 9
~15%, prevent plate craze and transfiguration.
The present invention provides a kind of flattening bamboo substrate material, the preparation method as described in above-mentioned technical proposal is prepared.
The present invention also provides a kind of flattening bamboo flooring, the flattening bamboo substrate material plate as described in above-mentioned technical proposal is successively carried out
Fixed thickness sanding, surface milling type, the mould proof processing of surface anticorrosion and coating coating handle to obtain.
The present invention handles not special limit to the fixed thick sanding, surface milling type, anticorrosive mildewproof processing and coating coating
It is fixed, using the operating procedure of this field routine.
The present invention carries out fixed thick sanding to the surface of the flattening bamboo backing material plate, can be improved flattening bamboo substrate board size
Precision, in the present invention, the thickness of the fixed thick sanding treated flattening bamboo backing material plate is preferably 20~40mm.
In the present invention, milling type in surface can be carried out to flattening bamboo backing material plate according to customer demand, be particularly preferred as: with four
Face plane milling forms edge moulding, such as connection groove in flattening bamboo backing material plate side；Or in flattening bamboo substrate sheet surface shape
At the various moulding such as non-slip groove, skid resistance and aesthetics are improved.
In the present invention, it is anti-to preferably include boron system Antisepticize and mildew preventive, fluorine system for medicament used in the mould proof processing of the surface anticorrosion
Rotten mould inhibitor, He Shui.In the present invention, boron system Antisepticize and mildew preventive preferably includes boric acid, borax or zinc borate；The fluorine system
Antisepticize and mildew preventive preferably includes sodium fluoride or potassium fluoride.In the present invention, boron system Antisepticize and mildew preventive, fluorine system anticorrosive mildewproof
Agent, mass ratio are preferably (0.8~1.2): (0.8~1.2), more preferably 1:1.In the present invention, the surface anticorrosion is anti-
The mass fraction of water is preferably 85~98% in medicament used in mould processing.The present invention is anti-by carrying out anti-corrosion to flattening bamboo backing material plate
Mould processing can be improved the corrosion resistance of flattening bamboo flooring, prolong the service life.
In the present invention, preferably in anticorrosive mildewproof, treated that flattening bamboo substrate sheet surface applies for coating coating processing
Swabbing.In the present invention, the coating preferably includes acrylic paint, polyurethane paint, wood wax oil or polyurethane coating.The present invention
There is no special restriction to the thickness of the brushing, is advisable so that flattening bamboo substrate sheet surface is completely covered.In the present invention, it is preferred to
With twice of backing material plate of coating application flattening bamboo, then naturally dry, obtains flattening bamboo flooring.In the present invention, it is dried in coating
Film-forming is understood in the process, can be improved the dicoration and weatherability of flattening bamboo flooring.
Application the present invention also provides flattening bamboo flooring described in above scheme as outdoor pavement.In the present invention
In, the flattening bamboo flooring is preferably used as the outdoor pavements such as park, outdoor pavement, harbour, skyscraper top.Using this
The flattening bamboo flooring provided is provided, the harsh weather of outdoor wind and weather solarization can be resisted, improve the service life on floor；And
And flattening bamboo flooring provided by the invention has preferable decorative effect, has the function of beautifying the environment.
Below in conjunction with the embodiment in the present invention, the technical solution in the present invention is clearly and completely described.It is aobvious
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1
1, the preparation of flattening bamboo substrate material is obtained:
By bamboo wood, successively warp is opened up except bamboo blueness and ring interlayer, broken bamboo, sofening treatment, flattening, the fixed thickness of fixed width and drying
Flat bamboo；Wherein bamboo wood length is 2.5m；Vapor (steam) temperature is 170 DEG C when sofening treatment, handles time 20min；The drying is rolling
Press dry dry, pressure 1.0MPa, preferably 70 DEG C of temperature, time 20min；The moisture content of the flattening bamboo obtained after drying is
13%；
Using forward applying gluing agent solution by the way of side is brushed in flattening Bamboo veneer, then there are four face pressures at one
Glued by splicing is forward carried out on the spelling width machine of power (pressurization and lateral pressurization up and down), flattening Bamboo veneer, which is combined into width, is
1.3m, the whole Zhang Zhanping Bamboo veneer that length is 2.5m, are then dried, by forward superposition side in mesh-belt drier
Formula assembly obtains flattening bamboo slab；Wherein, dry temperature is 80 DEG C, drying time 25min；Being flattened containing glue after drying
Bamboo veneer moisture content is 8%；Assembly thickness is calculated according to the following conditions: 0.8~1.0g/cm of flattening bamboo substrate material density3,
Compression ratio is 1:1.3 by the thickness of flattening bamboo substrate material and the thickness ratio of flattening bamboo slab, and sanding surplus is 1mm；
After obtaining flattening bamboo slab, flattening bamboo slab is pushed into hot press and carries out hot pressing compacting, the temperature of hot pressing compacting
150 DEG C, pressure 2MPa, time 1.5min/mm, hot pressing pressing process using the upper heat of heat it is lower and it is cold it is it is cold it is lower by the way of into
Row, obtains flattening bamboo substrate material；0.8~0.9g/cm of density of gained flattening bamboo substrate material3；
The flattening bamboo substrate material is put into health storehouse, stacking is carried out under the conditions of being protected from light for 20 DEG C and is stored 15 days, with
The moisture content and moisture content in the air for making flattening bamboo backing material plate balance；Then as required by the flattening bamboo backing material plate after health
It is tailored into predetermined size, storehouse storage is put into, to keep the balancing water content of substrate.
2, the preparation of outdoor use flattening bamboo flooring:
Fixed thick sanding is carried out to flattening bamboo substrate sheet surface, further obtains the flattening bamboo backing material plate of accurate dimension；Then
Connection groove is formed in flattening bamboo backing material plate side with four-side planing, and forms non-slip groove in flattening bamboo substrate sheet surface；
Then flattening bamboo backing material plate is immersed and is made of 2 part by weight of boric acid, 2 parts by weight sodium fluorides, 2 parts by weight boraxs and 50 parts by weight water
Medicament in dipping 20min carry out anticorrosive mildewproof processing, dried in its natural state after taking-up；
In anticorrosive mildewproof treated flattening bamboo substrate sheet surface twice of acrylic paint of brushing, it is solidified under natural conditions
Film obtains flattening bamboo flooring.
Embodiment 2
The preparation process of the flattening bamboo backing material plate is similar to Example 1, the difference is that only assembly in the process with exhibition
Flat bamboo clappers base is that time outer layer is overlapped using Recombined bamboo as sandwich layer by forward stacking mode.
The preparation process of the flattening bamboo flooring is same as Example 1.
Embodiment 3
The preparation process of the flattening bamboo backing material plate is similar to Example 1, the difference is that only and uses flattening bamboo list
The mode that plate is immersed in gluing agent solution applies gluing agent solution.
The preparation process of the flattening bamboo flooring is same as Example 1.
Test example
The performance of flattening bamboo flooring obtained by Examples 1 to 3 is surveyed according to GB/T 30360-2013 " recombination bamboo flooring "
Examination, test result are as shown in table 1.
1 the performance test results of table
| Project | Standard value | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Density g/cm3 | ≥0.8 | 0.9~1.05 | 0.9~1.05 | 0.9~1.05 |
| Horizontal shear strength MPa | ≥10 | 11~13 | 11~13 | 11~13 |
| Thickness swelling rate % | ≤10 | 5~9 | 5~9 | 5~9 |
As shown in Table 1, there is preferable intensity, dimensional stability using the flattening bamboo flooring that preparation method of the present invention obtains
With lower expansion rate of water absorption, preparation process is simplified, production cost is reduced compared to traditional recombination bamboo flooring, improves
Weatherability is suitable for industrialized production；In addition, it is smooth, closely knit using the Bamboo strip floor surface that preparation method of the present invention obtains, when long
Between use without degumming tilt problems.
In addition, being subject to the requirement being up to state standards, 1 cubic metre of traditional recombination bamboo flooring of production needs to consume 1.3
Ton bamboo wood, and make 1 cubic metre of flattening bamboo flooring of the present invention and only need 0.9~1.0 ton of bamboo wood, every cube of meter
Plate saves nearly 200~400 kilograms of bamboo wood.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of preparation method of flattening bamboo substrate material, which is characterized in that including following preparation step:
(1) flattening bamboo is subjected to splicing gluing, obtains flattening Bamboo veneer；
(2) the flattening Bamboo veneer is applied into gluing agent solution, assembly after drying obtains flattening bamboo slab；
(3) the flattening bamboo slab is subjected to hot pressing compacting, obtains flattening bamboo substrate material.
2. preparation method according to claim 1, which is characterized in that it is 0.5 that splicing, which is glued at pressure, in the step (1)
It is carried out under conditions of~1.0MPa；The glued resin added of the splicing is 200~300g/m2。
3. preparation method according to claim 1, which is characterized in that gluing agent solution includes gluing in the step (2)
Agent and preservative；The adhesive is one of phenolic aldehyde adhesive, resorcinol-formaldehyde adhesive and MDI ecology adhesive
Or it is several；The preservative is boron system preservative and/or fluorine system preservative；
The mass ratio of the adhesive and preservative is 5~10:1.
4. preparation method according to claim 1 or 3, which is characterized in that apply gluing agent solution in the step (2)
Resin added is 250~300g/m2。
5. preparation method according to claim 1, which is characterized in that dry temperature is 60~90 in the step (2)
DEG C, the dry time is 20~30min.
6. preparation method according to claim 1, which is characterized in that the temperature that hot pressing is suppressed in the step (3) is 140
~160 DEG C, pressure is 1~3MPa, and the time is that 1~1.5min is suppressed in every millimeter of flattening bamboo slab hot pressing.
7. a kind of flattening bamboo substrate material, which is characterized in that be prepared by any one of claim 1~6 preparation method.
8. a kind of flattening bamboo flooring, which is characterized in that the flattening bamboo substrate material plate as described in claim 7 successively carries out fixed thick sand
The mould proof processing of light, surface milling type, surface anticorrosion and coating coating handle to obtain.
9. flattening bamboo flooring according to claim 8, which is characterized in that medicament packet used in the mould proof processing of surface anticorrosion
Include boron system Antisepticize and mildew preventive, fluorine system Antisepticize and mildew preventive and water；
It includes acrylic paint, polyurethane paint, wood wax oil or polyurethane coating that the coating coating, which handles coating used,.
10. application of the flattening bamboo flooring of claim 8 or 9 as outdoor pavement.
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