CN106003278A - Multi-layer composite bamboo board - Google Patents

Multi-layer composite bamboo board Download PDF

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Publication number
CN106003278A
CN106003278A CN201610563767.4A CN201610563767A CN106003278A CN 106003278 A CN106003278 A CN 106003278A CN 201610563767 A CN201610563767 A CN 201610563767A CN 106003278 A CN106003278 A CN 106003278A
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CN
China
Prior art keywords
bamboo
board
bamboo clappers
clappers
dash board
Prior art date
Application number
CN201610563767.4A
Other languages
Chinese (zh)
Inventor
宋剑刚
陈永兴
刘福清
黄毅
Original Assignee
浙江永裕竹业股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 浙江永裕竹业股份有限公司 filed Critical 浙江永裕竹业股份有限公司
Priority to CN201610563767.4A priority Critical patent/CN106003278A/en
Publication of CN106003278A publication Critical patent/CN106003278A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/06Manufacture of central layers; Form of central layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D3/00Veneer presses; Press plates; Plywood presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27GACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G11/00Applying adhesives or glue to surfaces of wood to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27JMECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
    • B27J1/00Mechanical working of cane or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27JMECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
    • B27J1/00Mechanical working of cane or the like
    • B27J1/02Braiding, e.g. basket-making
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/02Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/06Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/16Drying; Softening; Cleaning
    • B32B38/164Drying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B43/00Operations specially adapted for layered products and not otherwise provided for, e.g. repairing; Apparatus therefor
    • B32B43/003Cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/10Interconnection of layers at least one layer having inter-reactive properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material

Abstract

The invention relates to a bamboo board, in particular to a multi-layer composite bamboo board. The multi-layer composite bamboo board comprises a bamboo board surface board and a bamboo board bottom board arranged below the bamboo board surface board, wherein the bamboo board surface board is formed in the manner that a plurality of bamboo fiber strips are arranged and then subjected to hot pressing. The bamboo board surface board is provided with a body, a surface board end face, a pressed surface naked so as to display the bamboo joint shape, a surface board bottom face arranged above the bamboo board bottom board and at least one surface board side face formed through cutting. The bottom board is provided with a bottom board surface connected with the bottom face of the bamboo board surface board, a bottom board bottom face opposite to the bottom board surface, bottom board side faces connected with the surface board side faces, and a bottom board end face connected with the surface board end face. The bamboo board surface board and/or the bamboo board bottom plate are/is internally provided with bamboo fiber strip woven curtains/a bamboo fiber strip woven curtain, wherein the bamboo fiber strip woven curtains/the bamboo fiber strip woven curtain are/is formed in the manner that the multiple bamboo fiber strips are subjected to thread sewing, thread weaving, adhesive tape bonding, hot melt adhesive tape bonding, bonding and splicing through a batten or non-woven fabric or paper slips, clamping through a clamping device or connecting and arranging through bamboo fiber strip connecting pieces. The multi-layer composite bamboo board is high in strength and processing efficiency and low in production cost.

Description

A kind of MULTILAYER COMPOSITE bamboo clappers
Technical field
The present invention relates to a kind of bamboo clappers, particularly relate to a kind of MULTILAYER COMPOSITE bamboo clappers.
Background technology
China is bamboo big country, and bamboo yield is big, and has long bamboo utilization history, and bamboo product enriches.Bamboo wood has The advantage that flexible is good, intensity is big, is commercially made into the raw material of indoor floor, outdoor flooring and furniture etc..But Bamboo wood is contained within substantial amounts of sugar, protein, and inclusions is enriched, and is therefore highly prone to infringement and the corrosion of bamboo corruption fungus;Wooden Element, hemicellulose and the existence of cellulose, make the poor dimensional stability of Recombined bamboo material.
For solving above-mentioned technical problem, Chinese patent CN204876310U(2015-12-16) in disclose a kind of carbonized bamboo Wood fiber bamboo silk composite concrete board, but this product is either from apparent, or from using impression, process time, product to answer Use and be required for improving.
Summary of the invention
An object of the present invention is to provide that a kind of good stability, process time be short, the MULTILAYER COMPOSITE bamboo clappers of low cost.
The two of the purpose of the present invention are to provide that a kind of good stability, process time be short, the MULTILAYER COMPOSITE bamboo clappers of low cost Preparation method.
The three of the purpose of the present invention are to provide that a kind of good stability, process time be short, the MULTILAYER COMPOSITE bamboo clappers of low cost Application.First technical purpose of the present invention has the technical scheme that
A kind of MULTILAYER COMPOSITE bamboo clappers, it includes the bamboo clappers dash board become by hot pressing after many bamboo fibre bar arrangements and is arranged on institute State the base plate below bamboo clappers dash board;
Described bamboo clappers dash board has body, dash board end face, exposed being pressed into surface, be arranged on described bamboo clappers with display ring shape Dash board bottom surface above base plate and the dash board side that at least one is cleaved;Described bamboo clappers dash board is by the first thermosetting Resin and the cured bamboo clappers dash board being collectively forming of Duo Gen bamboo fibre bar;
Described base plate has at the bottom of the base plate that the backplate surface that is connected with described dash board bottom surface and described backplate surface are oppositely arranged Bottom panel side that face connects with described dash board side and the base plate end face connected with described dash board end face;Described bamboo clappers dash board And/or be provided with in bamboo clappers base plate described many bamboo fibre bars are glued by line sewing, line braiding, adhesive tape bonding, Hot melt adhesive tape Connect, batten, non-woven fabrics or the bonding splicing of paper slip, gripping means grips or bamboo fibre bar connector connect the bamboo fibre of arrangement Bar weaving curtain.
The MULTILAYER COMPOSITE bamboo clappers of the present invention has at least one side tangent plane, has again natural bamboo grain and shows Ring shape face, the intensity of MULTILAYER COMPOSITE bamboo clappers is high, and working (machining) efficiency is high.MULTILAYER COMPOSITE bamboo clappers has at least one side tangent plane, Cut by side and obtain required sheet material, and when prior art prepares such sheet material, can only be completed by crosscutting;The present invention compares existing Technology can save cross-cut saw be cut into plate about 40% swage set loss reduce cost, integral production cost can be substantially reduced. If positive and negative is all with bamboo fibre bar hot pressing, the stability of MULTILAYER COMPOSITE bamboo clappers can be improved further.
As preferably, described many bamboo fibre bar class parallel modes arrange;Described bamboo clappers base plate is veneer, bamboo silk, bamboo Bundle, bamboo chip, flattening bamboo class wide format bamboo clappers or at the bottom of by the cured bamboo clappers being collectively forming of the first thermosetting resin and bamboo fibre bar Plate.Described class parallel mode includes parallel mode and less parallel mode.Because every bamboo fibre bar has natural shape, real It is likely difficult to be substantially parallel during the arrangement of border.
As preferably, it is provided with in described bamboo clappers dash board and crosses many bamboo fibre bars non-parallel at described bamboo fibre bar Direction has the bamboo fibre bar connector of intensity, and described bamboo fibre bar connector is at adjacent one or the bamboo fibre of more than two The above-below direction of bar is staggered.
Described crossing includes horizontal through or tilts through in the angle less than right angle with bamboo fibre bar.
By bamboo fibre bar connector by bamboo fibre bar knitting arrangement well-thought-out plan ribbon weaving curtain, can be greatly improved and mat formation Efficiency, makes the intensity of bamboo clappers dash board increase simultaneously, such that it is able to reduce the thickness of bamboo clappers dash board further, thus improves and adds work efficiency Rate, and make cost be substantially reduced.
It is highly preferred that offer the stress groove of one or more on described bamboo clappers base plate;
The width of described stress groove is more than 1mm, and the degree of depth is more than 4mm;The spacing distance of adjacent stress groove is 5-20cm.
Inventor finds, when MULTILAYER COMPOSITE bamboo clappers is bamboo clappers dash board and bamboo clappers base plate double-layer structure, outstanding on bamboo clappers base plate It is that multiple stress grooves with certain depth are offered at the bamboo clappers base plate back side, can keep the entirety of MULTILAYER COMPOSITE bamboo clappers further Stress equilibrium, prevents bamboo clappers from ftractureing.Inventor also finds, for preparing on the basis of the bamboo fibre bar of selection one fixed width and thickness Bamboo clappers dash board and bamboo clappers base plate, bamboo clappers base plate is prepared specific width, the stress groove of the degree of depth simultaneously control adjacent stress The spacing distance of groove, can further keep the integrated stress of MULTILAYER COMPOSITE bamboo clappers to balance, prevent bamboo clappers from ftractureing, carry further The stability of high MULTILAYER COMPOSITE bamboo clappers.
As preferably, the thickness of described bamboo clappers dash board or bamboo clappers base plate is 2-8mm.
Relative to top layer or the underlayer thickness of existing MULTILAYER COMPOSITE bamboo clappers, the thickness of bamboo clappers dash board or bamboo clappers base plate reduces, Cost can be made to be substantially reduced.
As preferably, the thickness of described bamboo fibre bar is 1-8mm, and width is 1-99mm.
Width and the thickness of bamboo fibre bar of the present invention are little, make the bamboo clappers texture being eventually fabricated finer and smoother, and make follow-up leaching Glue and hot pressing time shorten, thus improve working (machining) efficiency, reduce cost bamboo fibre of the present invention bar and can be blocked by former bamboo Hack blue or green de-etiolation carbonization to discongest dry operation and be prepared from, can present not according to raw-material form Same ring shape, so that bamboo clappers dash board has natural bamboo grain and shows ring shape face.Bamboo of the present invention Ribbon is different according to width, can be categorized as bamboo clappers, bamboo chip or bamboo silk successively according to width size artificially.
As preferably, between described bamboo clappers dash board and bamboo clappers base plate, it is additionally provided with central layer;Described bamboo clappers dash board and described bamboo The first thermoset resin layer or the second thermoset resin layer it is provided with between plate base plate;Or described bamboo clappers dash board, central layer and institute State and between bamboo clappers base plate, be provided with the first thermoset resin layer or the second thermoset resin layer.
Thermosetting resin, produces chemical change, gradually hardened forming after referring to resin heating, then is heated and does not softens, also Undissolvable a kind of resin.When preparing bamboo clappers dash board or bamboo clappers base plate, by thermosetting resin applying glue on bamboo fibre bar, this heat Thermosetting resin is referred to as the first thermosetting resin.Bamboo clappers dash board and bamboo clappers base plate between layers or bamboo clappers dash board, bamboo clappers core Plate and bamboo clappers base plate be provided with thermosetting resin glue-line between layers, the glue that this thermosetting resin glue-line uses is referred to as second Thermosetting resin, is different from the thermosetting resin adhesive used during bamboo fibre bar is woven into curtain.Different parts at bamboo clappers is executed Add identical thermosetting resin adhesive, dimensional stability when can improve bamboo clappers hot pressing and after hot pressing and elastic modelling quantity.
Applying glue can be glue spraying, can also be impregnation, can also be plastic roll, determines according to raw material, if raw material is bamboo Sheet, resin application methods can be glue spraying, plastic roll or impregnation, if bamboo silk, is then impregnation, if bamboo clappers is then plastic roll.
Between bamboo clappers dash board and central layer arrange thermosetting resin can and biological material central layer and base plate between arrange Thermosetting resin identical, it is also possible to different.When difference, the variety classes that when should select hot pressing, mutual amalgamation is good.
As preferably, described central layer is biological material central layer, integrated selected from bamboo cord wood, bamboo wood, plank, timber Material, timber laminated timber, fibre board, particieboard, multi-layer sheet, oriented wood chipboard, bamboo clappers, block structure and the Lignum seu Ramulus Cunninghamiae Lanceolatae with thickness Bar weaving curtain or bamboo fibre bar weaving curtain.Biological material central layer is selected to be easy to subsequent thermal compacting standby.
As preferably, described first thermoset resin layer or the second thermoset resin layer are phenolic resin glue, tripolycyanamide Formaldehyde resin, Lauxite or cyanurotriamide modified Lauxite.
As preferably, the preparation method of cyanurotriamide modified Lauxite (modified MUF adhesive) is:
Mass concentration of weighing the most by weight be the formalin 100 parts of 36.5-37.4wt%, mass concentration be 30-50wt% Alkaline substance solution 0.1-0.5 part and 0.3-0.6 part Hyperbranched Polymer with Terminal Amido PAMAM, put into reactor, unlatching is stirred Mix;
Add 1-4 part hexachlorocyclotriph,sphazene the most by weight, be warming up to 50-55 DEG C, when being warming up to 75-85 DEG C voluntarily, add 35- 55 parts of tripolycyanamide, are continuously heating to 90-95 DEG C, react to obtain preliminary condensation polymer;
C. in above-mentioned preliminary condensation polymer, add 40-45 part tripolycyanamide, and add 0.6-0.9 part para toluene sulfonamide, obtain Second condensation polymer;
D. it is cooled to the second condensation polymer when 70-75 DEG C add 20-30 part carbamide, continues reaction 8-12min, be cooled to 30-50 DEG C time plastic emitting.
The present invention uses para toluene sulfonamide, Hyperbranched Polymer with Terminal Amido PAMAM modified, adds urine stage by stage by several times Element, tripolycyanamide and formaldehyde, repeatedly feed intake, and the intermediates content making modified muf resin glue in preparation process is maximum, thus can To improve timber intensity, wearability and service life;Utilize the intramolecular a large amount of activity officials of Hyperbranched Polymer with Terminal Amido PAMAM Can roll into a ball and the highly branched characteristic of its structure carrys out modified muf resin, make the performance enhancement of resin, stability improves, free formaldehyde Burst size is effectively controlled;The Recombinant Wood burst size of methanal using modification MUF adhesive of the present invention to process is less than 0.2mg/L, Reach Japan's F ☆ ☆ ☆ ☆ standard.
As preferably, described bamboo clappers base plate is bamboo fibre bar weaved hot-pressing plate, and described bamboo fibre bar weaved hot-pressing plate sets Being equipped with the bamboo fibre bar connector in the non-parallel direction of described bamboo fibre bar with intensity, described bamboo fibre bar connector is in phase The above-below direction of the bamboo fibre bar of adjacent one or more than two is staggered.
By bamboo fibre bar connector by bamboo fibre bar knitting arrangement well-thought-out plan ribbon weaving curtain, can be greatly improved and mat formation Efficiency, makes the intensity of bamboo clappers dash board increase simultaneously, such that it is able to reduce the thickness of bamboo clappers dash board further, thus improves and adds work efficiency Rate, and make cost be substantially reduced.
As preferably, described bamboo fibre bar connector is bamboo silk, cotton thread or thin wire.
As preferably, described bamboo clappers dash board is formed by bamboo fibre bar weaving curtain hot pressing more than one layer or two-layer.
A kind of preparation method of MULTILAYER COMPOSITE bamboo clappers, including following preparation process:
(1) bamboo clappers dash board is prefabricated: by bamboo fibre bar by having the bamboo fibre of intensity in the non-parallel direction of described bamboo fibre bar Bar connector is woven into bamboo fibre bar weaving curtain;
(2) it is dried: described bamboo fibre bar weaving curtain is sent into and is dried to moisture content 6-10%, obtain bamboo clappers dash board drying plate;
(3) prepared by bamboo clappers base plate;
(4) hot-press solidifying;
(5) take care of health;
(6) side is cut: MULTILAYER COMPOSITE bamboo clappers width as required carries out cutting fixed width in the side of bamboo fibre bar weaved hot-pressing plate.
The present invention selects the bamboo fibre bar that thickness is less, by bamboo fibre bar connector by bamboo fibre bar knitting arrangement well-thought-out plan Ribbon weaving curtain, can be greatly improved efficiency of mating formation, and makes the intensity of bamboo clappers dash board increase simultaneously, makes the bamboo clappers stricture of vagina being eventually fabricated Manage finer and smoother, and make follow-up impregnation and hot pressing time shorten;Prior art is typically the bigger bamboo cane of first dry width, then Impregnation, then hot repressing again, hot pressing time is long, and during hot pressing can only cold enter cold go out, need after hot pressing with cold water lower the temperature, cooling During also can occur bubble layering;And also to be again dried to control moisture content after prior art hot pressing, the most whole Body efficiency is low, and production cost is high.The present invention, also by arranging side tangent plane, has therefore saved prior art cross-cut saw and has been cut into plate 40% left side Right swage set loss reduces cost.Therefore, the present invention can improve working (machining) efficiency, reduces cost;And make bamboo clappers dash board have Natural bamboo grain and show ring shape face.
As preferably, bamboo fibre bar weaving curtain is impregnated the first thermosetting tree prefabricated including by described step (1) bamboo clappers dash board Fat obtains bamboo clappers dash board precoated plate.
According to hot repressing after bamboo fibre bar impregnation, the thermally-stabilised of bamboo clappers dash board and MULTILAYER COMPOSITE bamboo clappers can be improved Property.
As preferably, after step (4) hot-press solidifying completes, on bamboo clappers base plate, offer stress groove.So it is more beneficial for multiple Close the Stress Release at the mainboard back side.
As preferably, the preparation of described bamboo clappers base plate includes that bamboo clappers base plate is prefabricated and dry;
Bamboo clappers base plate is prefabricated to be included non-flat by described bamboo fibre bar of the bamboo fibre bar of thickness 1-8mm, width 1-99mm Line direction has the bamboo fibre bar connector of intensity and is woven into bamboo fibre bar weaving curtain, by bamboo fibre bar weaving curtain dipping the first heat Thermosetting resin obtains bamboo clappers base plate precoated plate;
It is dried and includes sending into described bamboo clappers base plate precoated plate being dried to moisture content 6-10%, obtain bamboo clappers base plate drying plate.
As preferably, before described hot pressing, first between bamboo clappers dash board and bamboo clappers base plate, apply the second thermoset resin layer.
The present invention depends on former the need of applying described second thermosetting resin between bamboo clappers dash board and bamboo clappers base plate Material;If the bamboo fibre bar weaving curtain not impregnation in step (1), need at layer and layer before bamboo clappers dash board and bamboo clappers base plate hot pressing Between carry out hot pressing again after first applying glue;If to the bamboo fibre bar weaving curtain impregnation in step (1), bamboo clappers dash board and bamboo clappers base plate Before hot pressing between the layers can with applying glue can not also applying glue, identical glue can be applied, it is also possible to apply different glue.
The hot-press solidifying of the present invention can be to use three kinds of modes:
The first is that heat is entered heat and gone out, and finger pressure machine need not be lowered the temperature, and temperature is between 120-180, and moisture content needs between 6-10%, Will not put bubble bubble, production efficiency is high, and conventional hot press is the most permissible.
The second be heat enter cold go out, need the hot press by continuous way, production efficiency is high, and finger pressure machine divides two sections, and leading portion is Heating up, latter one section is cooling, and moisture content can be between 6-20%, between temperature 120-180.
The third be cold enter cold go out, press need cooling, temperature is between 120-180, and moisture content is at 6-20%.
For above-mentioned three kinds of modes, technological process is:
The first heat is entered heat and is gone out: charging hot press hot pressing discharging;
The second heat enter cold go out: charging hot press hot-pressing thermal press cooling discharge;
The third cold enter cold go out: charging hot press heat hot press insulation hot pressing hot press cooling discharge.
The present invention is dried hot repressing again by first impregnation, and controls hot compression parameters, makes the hot-press solidifying entirety time shorter;Leaching It is dried again after glue, then hot repressing, heat can be entered with hot pressing intermittent fever and go out.
As preferably, described bamboo clappers dash board drying plate is placed on the top of central layer, at hot pressing pressure 3-6MPa/cm2, heat Pressure temperature 120-170 DEG C carries out hot pressing, hot pressing time 10-20min, obtains bamboo fibre bar weaved hot-pressing plate.After hot pressing completes, bamboo Plate dash board thickness is 2-8mm, and core thickness is 2-8mm, and MULTILAYER COMPOSITE bamboo clappers integral thickness is 9-20mm.
As preferably, the width of described bamboo fibre bar weaving curtain is 0.6-2m.
Time prepared by existing technique, top layer width is generally about 10cm, and bamboo fibre bar weaving curtain of the present invention compares existing skill Art wants width at least more than 6-12 times, and can complete with high efficiency hot pressing, and the production time can reduce 30% compared to existing technology Above, production efficiency is greatly improved.
As preferably, described step (4) hot pressing speed 1.2-1.6min/mm.
During hot pressing, control hot pressing speed, be possible to prevent sheet material hot pressing bubbling.As the most preferably, inventor also exists Use vent pads net draining steam during hot pressing, prevent sheet material from bubbling further and be layered.
As preferably, that central layer preparation includes first weaving preparation block structure and there is certain thickness Lignum seu Ramulus Cunninghamiae Lanceolatae bar weaving curtain Or bamboo cane weaving curtain, then impregnate the second thermosetting resin, be re-fed into hot pressing.
As preferably, bamboo clappers dash board drying plate is placed on before the top of bamboo clappers base plate carries out hot pressing, does at bamboo clappers dash board The bottom surface of dry plate or the end face of bamboo clappers base plate coat the first thermosetting resin or the second thermosetting resin.
As preferably, described in take care of health and include release thermal stress 3-7 days that takes care of health.
The application of a kind of MULTILAYER COMPOSITE bamboo clappers, is used for furniture-plates, decorative board for wall including by described MULTILAYER COMPOSITE bamboo clappers, hangs Top or floor.
As preferably, described MULTILAYER COMPOSITE bamboo clappers is when floor, and composite bamboo floor is in bottom panel side, bottom panel side and portion Dash board side, base plate end face or base plate end face and part dash board end face is divided to have along composite bamboo floor length direction or width The tenon mouth structure that processes of both sides.
In sum, the method have the advantages that
1, the MULTILAYER COMPOSITE bamboo clappers of the present invention has at least one side tangent plane, has again natural bamboo grain and shows bamboo Joint shape face, the intensity of MULTILAYER COMPOSITE bamboo clappers is high, and working (machining) efficiency is high.MULTILAYER COMPOSITE bamboo clappers has at least one side tangent plane, because of This saved prior art cross-cut saw be cut into plate about 40% swage set loss reduce cost, integral production cost can reduce by 70% Left and right;
2, the present invention selects thickness and the less bamboo fibre bar of width, by bamboo fibre bar connector by bamboo fibre bar knitting arrangement Well-thought-out plan ribbon weaving curtain, can be greatly improved efficiency of mating formation, and makes the intensity of bamboo clappers dash board increase simultaneously, makes the bamboo being eventually fabricated Plate texture is finer and smoother, and makes follow-up applying glue and hot pressing time shorten;The present invention is dried hot repressing again by first applying glue, and controls Hot compression parameters, makes the hot-press solidifying entirety time shorter;It is dried again after applying glue, then hot repressing, and heat can be entered with hot pressing intermittent fever Going out, therefore whole efficiency is high, and production cost is low.
Accompanying drawing explanation
Fig. 1 is bamboo fibre bar connector of the present invention horizontal through bamboo fibre bar upper and lower at an adjacent bamboo fibre bar The staggered double-deck multilayer composite bamboo plate structure schematic diagram in direction;
Fig. 2 is that bamboo fibre bar connector of the present invention is horizontal through bamboo fibre bar and at adjacent two bamboo fibre bars (being spaced) The staggered double-deck MULTILAYER COMPOSITE bamboo clappers one structural representation of above-below direction;
Fig. 3 is that bamboo fibre bar connector of the present invention is horizontal through bamboo fibre bar and at adjacent two bamboo fibre bars (being spaced two) The staggered double-deck MULTILAYER COMPOSITE bamboo clappers one structural representation of above-below direction;
Fig. 4 is that bamboo fibre bar connector of the present invention is horizontal through bamboo fibre bar and at adjacent three bamboo fibre bars (being spaced) The staggered double-deck MULTILAYER COMPOSITE bamboo clappers one structural representation of above-below direction;
Fig. 5 is that bamboo fibre bar connector of the present invention is horizontal through bamboo fibre bar and at adjacent three bamboo fibre bars (being spaced two) The staggered double-deck MULTILAYER COMPOSITE bamboo clappers one structural representation of above-below direction;
Fig. 6 is that bamboo fibre bar connector of the present invention is horizontal through bamboo fibre bar and at adjacent three bamboo fibre bars (being spaced three) The staggered double-deck MULTILAYER COMPOSITE bamboo clappers one structural representation of above-below direction;
Fig. 7 is that bamboo fibre bar connector of the present invention tilts through bamboo fibre bar and at an adjacent bamboo fibre bar (being spaced) The staggered double-deck MULTILAYER COMPOSITE bamboo clappers one structural representation of above-below direction;
Fig. 8 is that bamboo fibre bar connector of the present invention tilts through bamboo fibre bar and at adjacent two bamboo fibre bars (being spaced) The staggered double-deck MULTILAYER COMPOSITE bamboo clappers one structural representation of above-below direction;
Fig. 9 is that bamboo fibre bar connector of the present invention tilts through bamboo fibre bar and at adjacent two bamboo fibre bars (being spaced two) The staggered double-deck MULTILAYER COMPOSITE bamboo clappers one structural representation of above-below direction;
Figure 10 is that bamboo fibre bar connector of the present invention tilts through bamboo fibre bar and at adjacent three bamboo fibre bars (interval one Root) the staggered double-deck MULTILAYER COMPOSITE bamboo clappers one structural representation of above-below direction;
Figure 11 is that bamboo fibre bar connector of the present invention tilts through bamboo fibre bar and at adjacent three bamboo fibre bars (interval two Root) the staggered double-deck MULTILAYER COMPOSITE bamboo clappers one structural representation of above-below direction;
Figure 12 is that bamboo fibre bar connector of the present invention tilts through bamboo fibre bar and at adjacent three bamboo fibre bars (interval three Root) the staggered double-deck MULTILAYER COMPOSITE bamboo clappers one structural representation of above-below direction;
Figure 13 is bamboo fibre bar connector of the present invention horizontal through bamboo fibre bar and at the upper and lower of an adjacent bamboo fibre bar To the MULTILAYER COMPOSITE bamboo clappers one structural representation of staggered three-decker;
Figure 14 is the MULTILAYER COMPOSITE bamboo clappers schematic diagram of double-layer structure of the present invention;
Figure 15 is that the joggle assembly schematic diagram on floor applied by MULTILAYER COMPOSITE bamboo clappers of the present invention.
Detailed description of the invention
As shown in Fig. 1-Figure 15, MULTILAYER COMPOSITE bamboo clappers include being arranged by many bamboo fibre bars 01 after hot pressing become bamboo clappers table Plate 1 and be arranged on the bamboo clappers base plate 2 below bamboo clappers dash board 1;Bamboo clappers dash board has body 10, dash board end face 14, exposed with aobvious That shows ring shape is pressed into the dash board bottom surface 12 that surface 11 is connected and the dash board side that at least one is cleaved with base plate 13;Base plate 2 has the base plate bottom surface that the backplate surface 21 being connected with bamboo clappers dash board bottom surface 12 is oppositely arranged with backplate surface 21 22 bottom panel side 23 connected with dash board side 13 and the base plate end face 24 connected with dash board end face 14.
Bamboo clappers dash board 1 and/or bamboo clappers base plate 2 are by passing through line sewing, line braiding, adhesive tape by described many bamboo fibre bars 01 Bonding, Hot melt adhesive tape is bonding, batten, non-woven fabrics or the bonding splicing of paper slip, gripping means grips or bamboo fibre bar connector 02 even The bamboo fibre bar weaving curtain arranged that runs in is constituted.
Bamboo clappers base plate 2 can be veneer, bamboo silk, bamboo bundle, bamboo chip, flattening bamboo class wide format bamboo clappers or by the first thermosetting Property resin and the cured bamboo clappers base plate being collectively forming of bamboo fibre bar.Inventor finds through experiment, if positive and negative is all to use bamboo Ribbon hot pressing, can improve the stability of MULTILAYER COMPOSITE bamboo clappers further.Bamboo clappers base plate is bamboo fibre bar weaved hot-pressing plate, bamboo The bamboo fibre bar connector in the non-parallel direction of bamboo fibre bar with intensity, bamboo fibre it is provided with on ribbon weaved hot-pressing plate Bar connector is staggered at the above-below direction of adjacent one or the bamboo fibre bar of more than two.
As shown in figure 14, when MULTILAYER COMPOSITE bamboo clappers is the double-layer structure including bamboo clappers dash board 1 and bamboo clappers base plate 2, in order to Strengthen stress equilibrium and the stability of MULTILAYER COMPOSITE bamboo clappers, open in the bottom of multilayer composite bamboo back i.e. bamboo clappers base plate 2 Being provided with a plurality of stress groove 25, stress groove 25 can be evenly arranged, and the width of stress groove 25 is more than 1mm, and the degree of depth is more than 4mm; The spacing distance of adjacent stress groove 25 is 5-20cm.
As shown in Fig. 1-Figure 12, many bamboo fibre bar 01 class parallel mode arrangements, it is provided with in bamboo clappers dash board 1 and crosses many Bamboo fibre bar 01 also has the bamboo fibre bar connector 02 of intensity in the non-parallel direction of bamboo fibre bar 01, bamboo fibre bar connector 02 is staggered at the above-below direction of adjacent one or the bamboo fibre bar 01 of more than two.Cross include horizontal through or and bamboo Ribbon tilts through in the angle less than right angle.
In order to make the bamboo clappers texture being eventually fabricated finer and smoother, make follow-up impregnation and hot pressing time shorten, thus improve processing Efficiency, reduces cost;And make bamboo clappers dash board have natural bamboo grain and show ring shape face;Reduce bamboo fine The width of dimension bar and thickness, the thickness controlling bamboo fibre bar is 1-8mm, and width is 1-99mm.The thickness of bamboo clappers dash board 1 is 2- 8mm.MULTILAYER COMPOSITE bamboo clappers integral thickness is 9-20mm.
Bamboo clappers dash board 1 is the bamboo fibre bar weaving curtain hot pressing of bamboo fibre bar weaving curtain hot pressing more than one layer or two-layer Plate.As shown in figs 1 to 6, bamboo fibre bar connector hangs down with bamboo fibre bar mutually horizontal through bamboo fibre bar, bamboo fibre bar connector Directly, and bamboo fibre bar connector 02 is staggered at the above-below direction of adjacent one or the bamboo fibre bar 01 of more than two, Can be such as every 1, two or three braidings, be spaced one, two or three.
As shown in Fig. 7-Figure 12, bamboo fibre bar connector tilts through bamboo fibre bar, bamboo fibre bar connector and bamboo fibre The angle of bar is less than 90 degree, and upper and lower at the bamboo fibre bar 01 of adjacent one or more than two of bamboo fibre bar connector 02 Direction is staggered, such as, can be every 1, two or three braidings, be spaced one, two or three.Bamboo fibre bar connects Part 02 can be selected from bamboo silk, cotton thread or thin wire.
MULTILAYER COMPOSITE bamboo clappers can be the structure of more than two-layer.As shown in figure 13, between bamboo clappers dash board 1 and bamboo clappers base plate 2 It is additionally provided with central layer 3.Central layer 3 is biological material central layer, selected from fibre board, particieboard, Recombinant Wood veneer or block knot Structure and the Lignum seu Ramulus Cunninghamiae Lanceolatae bar weaving curtain with thickness or bamboo cane weaving curtain.
In order to improve the intensity of bamboo clappers, it is also possible to be provided with the first thermosetting further between bamboo clappers dash board 1 and central layer 3 Resin bed or the second thermoset resin layer;Or it is provided with the first thermosetting tree between bamboo clappers dash board 1, central layer 3 and bamboo clappers base plate 2 Lipid layer or the second thermoset resin layer.The thermosetting resin arranged between bamboo clappers dash board and central layer can be with biological material central layer With the thermosetting resin of setting is identical between base plate, it is also possible to different.When difference, when should select hot pressing, mutual amalgamation is good Variety classes.
The MULTILAYER COMPOSITE bamboo clappers of preparation may be used for multiple occasion, such as furniture-plates, decorative board for wall, furred ceiling or floor. MULTILAYER COMPOSITE bamboo clappers is when floor, and composite bamboo bamboo clappers is at bottom panel side 23, bottom panel side 23 and part dash board side 13, base plate End face 24 or base plate end face 24 and part dash board end face 14 have the both sides along composite bamboo floor length direction or width and add Work tenon mouth structure 10 out.When composite bamboo floor actual installation of the present invention uses, according to carrying out Tenon assembling shown in Figure 15.
Embodiment one
The preparation method of MULTILAYER COMPOSITE bamboo clappers, including following preparation process:
(1) bamboo clappers dash board is prefabricated: the bamboo fibre bar connector 02 that the non-parallel direction at bamboo fibre bar has intensity crosses thickness Degree 1mm, the bamboo fibre bar 01 of width 1mm are woven into bamboo fibre bar weaving curtain;The width of bamboo fibre bar weaving curtain is 0.6m;
(2) it is dried: bamboo clappers dash board precoated plate is sent into and is dried to moisture content 6%, obtain bamboo clappers dash board drying plate;
(3) prepared by base plate;
(4) hot pressing: bottom bamboo clappers dash board or bamboo clappers base plate top apply thermosetting resin adhesive, by bamboo clappers dash board drying plate place Above bamboo clappers base plate, at hot pressing pressure 3MPa/cm2, hot pressing temperature 170 DEG C carry out hot pressing, hot pressing time 20min, obtain Bamboo fibre bar weaved hot-pressing plate;Hot-press solidifying offers stress groove 25 at the bamboo clappers base plate back side after completing;
(5) take care of health;
(6) side is cut: MULTILAYER COMPOSITE bamboo clappers width as required carries out cutting fixed width in the side of bamboo fibre bar weaved hot-pressing plate.
Embodiment two
The preparation method of MULTILAYER COMPOSITE bamboo clappers, including following preparation process:
(1) bamboo clappers dash board is prefabricated: the bamboo fibre bar connector 02 that the non-parallel direction at bamboo fibre bar has intensity crosses thickness Degree 4mm, the bamboo fibre bar 01 of width 10mm are woven into bamboo fibre bar weaving curtain, and bamboo fibre bar weaving curtain is impregnated the first thermosetting Resin obtains bamboo clappers dash board precoated plate;The width of bamboo fibre bar weaving curtain is 2m;
(2) it is dried: bamboo clappers dash board precoated plate is sent into and is dried to moisture content 10%, obtain bamboo clappers dash board drying plate;
(3) prepared by base plate;
(4) hot pressing: bamboo clappers dash board drying plate is placed on the top of bamboo clappers base plate, at hot pressing pressure 6MPa/cm2, hot pressing temperature 120 DEG C carry out hot pressing, hot pressing time 10min, obtain bamboo fibre bar weaved hot-pressing plate;Hot-press solidifying is carried on the back at bamboo clappers base plate after completing Stress groove 25 is offered in face;
(5) take care of health;
(6) side is cut: MULTILAYER COMPOSITE bamboo clappers width as required carries out cutting fixed width in the side of bamboo fibre bar weaved hot-pressing plate.
Embodiment three
The preparation method of MULTILAYER COMPOSITE bamboo clappers, including following preparation process:
(1) bamboo clappers dash board is prefabricated: the bamboo fibre bar connector 02 that the non-parallel direction at bamboo fibre bar has intensity crosses thickness Degree 2mm, the bamboo fibre bar 01 of width 15mm are woven into bamboo fibre bar weaving curtain, and bamboo fibre bar weaving curtain is impregnated the first thermosetting Resin obtains bamboo clappers dash board precoated plate;The width of bamboo fibre bar weaving curtain is 1.5m;
(2) it is dried: bamboo clappers dash board precoated plate is sent into and is dried to moisture content 8%, obtain bamboo clappers dash board drying plate;
(3) prepared by base plate;
(4) hot pressing: bamboo clappers dash board drying plate is placed on the top of bamboo clappers base plate, at hot pressing pressure 5MPa/cm2, hot pressing temperature 140 DEG C carry out hot pressing, hot pressing time 15min, obtain bamboo fibre bar weaved hot-pressing plate;Hot-press solidifying is carried on the back at bamboo clappers base plate after completing Stress groove 25 is offered in face;
(5) take care of health;
(6) side is cut: MULTILAYER COMPOSITE bamboo clappers width as required carries out cutting fixed width in the side of bamboo fibre bar weaved hot-pressing plate.
Embodiment four
With embodiment one, except for the difference that the width of bamboo fibre bar 01 is 99mm, is provided with between bamboo clappers dash board 1 and bamboo clappers base plate 2 Central layer 3, is provided with the first thermoset resin layer or the second thermoset resin layer between bamboo clappers dash board 1 and bamboo clappers base plate 2;Or The first thermoset resin layer or the second thermoset resin layer it is provided with between bamboo clappers dash board 1, central layer 3 and bamboo clappers base plate 2.
First thermoset resin layer or the second thermoset resin layer are phenolic resin glue, melamine resin, urea aldehyde Resin or cyanurotriamide modified Lauxite.
The preparation method of cyanurotriamide modified Lauxite (modified MUF adhesive) is:
A. formalin 100 parts that mass concentration is 36.5wt%, the mass concentration of being weighed by weight portion is the basic species of 30wt% 0.1 part and 0.3 part Hyperbranched Polymer with Terminal Amido PAMAM of matter solution, puts into reactor, opens stirring;Alkaline matter is hydrogen-oxygen Change sodium, potassium hydroxide, calcium hydroxide, barium hydroxide or ammonia;
B. add 1 part of hexachlorocyclotriph,sphazene, be warming up to 50 DEG C, when being warming up to 75 DEG C voluntarily, add 35 parts of tripolycyanamide, continue to rise Temperature, to 90 DEG C, reacts to obtain preliminary condensation polymer;
C. in above-mentioned preliminary condensation polymer, add 40 parts of tripolycyanamide, and add 0.6 part of para toluene sulfonamide, obtain the second polycondensation Thing;
D. it is cooled to the second condensation polymer when 70 DEG C add 20 parts of carbamide, continues reaction 8min, be cooled to plastic emitting when 30 DEG C.
The present invention uses para toluene sulfonamide, Hyperbranched Polymer with Terminal Amido PAMAM modified, adds urine stage by stage by several times Element, tripolycyanamide and formaldehyde, repeatedly feed intake, and the intermediates content making modified muf resin glue in preparation process is maximum, thus can To improve timber intensity, wearability and service life;Utilize the intramolecular a large amount of activity officials of Hyperbranched Polymer with Terminal Amido PAMAM Can roll into a ball and the highly branched characteristic of its structure carrys out modified muf resin, make the performance enhancement of resin, stability improves, free formaldehyde Burst size is effectively controlled;The Recombinant Wood burst size of methanal using modification MUF adhesive of the present invention to process is less than 0.2mg/L, Reach Japan's F ☆ ☆ ☆ ☆ standard.
Embodiment five
With embodiment one and four, except for the difference that step (1) also includes that bamboo fibre bar weaving curtain is impregnated the first thermosetting resin obtains To bamboo clappers dash board precoated plate;The first thermoset resin layer or the second thermosetting it is provided with between bamboo clappers dash board 1 and bamboo clappers base plate 2 Resin bed;Or it is provided with the first thermoset resin layer or the second thermosetting tree between bamboo clappers dash board 1, central layer 3 and bamboo clappers base plate 2 Lipid layer.
First thermoset resin layer or the second thermoset resin layer are phenolic resin glue, melamine resin, urea aldehyde Resin or cyanurotriamide modified Lauxite.
The preparation method of cyanurotriamide modified Lauxite (modified MUF adhesive) is:
A. formalin 100 parts that mass concentration is 37.4wt%, the mass concentration of being weighed by weight portion is the basic species of 50wt% 0.5 part and 0.6 part Hyperbranched Polymer with Terminal Amido PAMAM of matter solution, puts into reactor, opens stirring;Alkaline matter is hydrogen-oxygen Change sodium, potassium hydroxide, calcium hydroxide, barium hydroxide or ammonia;
B. add 1 part of hexachlorocyclotriph,sphazene, be warming up to 55 DEG C, when being warming up to 85 DEG C voluntarily, add 55 parts of tripolycyanamide, continue to rise Temperature, to 95 DEG C, reacts to obtain preliminary condensation polymer;
C. in above-mentioned preliminary condensation polymer, add 45 parts of tripolycyanamide, and add 0.9 part of para toluene sulfonamide, obtain the second polycondensation Thing;
D. it is cooled to the second condensation polymer when 75 DEG C add 30 parts of carbamide, continues reaction 12min, be cooled to plastic emitting when 50 DEG C.
Embodiment six
With embodiment one, between bamboo clappers dash board 1 and central layer 3, except for the difference that it is provided with the first thermoset resin layer or the second thermosetting Property resin bed;Or it is provided with the first thermoset resin layer or the second thermosetting between bamboo clappers dash board 1, central layer 3 and bamboo clappers base plate 2 Resin bed.
First thermoset resin layer or the second thermoset resin layer are phenolic resin glue, melamine resin, urea aldehyde Resin or cyanurotriamide modified Lauxite.
The preparation method of cyanurotriamide modified Lauxite (modified MUF adhesive) is:
A. formalin 100 parts that mass concentration is 36.9wt%, the mass concentration of being weighed by weight portion is the basic species of 40wt% 0.4 part and 0.5 part Hyperbranched Polymer with Terminal Amido PAMAM of matter solution, puts into reactor, opens stirring;Alkaline matter is hydrogen-oxygen Change sodium, potassium hydroxide, calcium hydroxide, barium hydroxide or ammonia;
B. add 3 parts of hexachlorocyclotriph,sphazenes, be warming up to 53 DEG C, when being warming up to 80 DEG C voluntarily, add 45 parts of tripolycyanamide, continue to rise Temperature, to 92 DEG C, reacts to obtain preliminary condensation polymer;
C. in above-mentioned preliminary condensation polymer, add 43 parts of tripolycyanamide, and add 0.8 part of para toluene sulfonamide, obtain the second polycondensation Thing;
D. it is cooled to the second condensation polymer when 72 DEG C add 20-30 part carbamide, continues reaction 9min, be cooled to plastic emitting when 40 DEG C.
Comparative example
The processing method of composite plate, comprises the steps:
Step one: select materials
The Phyllostachys pubescens Mazei ex H.de Lebaie leftover pieces produced during bamboo processing, are divided into the bamboo silk of fine strip shape, and scrappy bamboo section, and selecting materials is exactly by bamboo Silk, bamboo section sort out, and then bamboo silk and bamboo section are carried out hydrothermal treatment consists, and described hydrothermal treatment consists is exactly 90 by bamboo silk and bamboo section ~steaming and decocting 3~5 hours at a temperature of 160 DEG C, the bamboo wood moisture control after process is between 40%~60%, and it is main Effect is insect protected, mildew-resistant process, reduces the hardness of raw material;Increase the pliability of raw material, reduce the cured matter of bamboo material surface, increase gluing Intensity;After hydrothermal treatment consists, bamboo silk is selected, bamboo section is chipped, process well-thought-out plan particle;
Step 2: processing bamboo silk
By length coarse and fine separation, bamboo silk being gone out all size, lashes bunchy, what length thickness was close is used for processing dimension Bamboo silk layer;Bundles of bamboo silk will be lashed be put into drying room and be dried so that it is moisture content is 10~15%, and this bamboo silk is true qualities;
Carry out carbonization in putting carbide furnace into through the bamboo silk of above-mentioned dried, control temperature and time and can control carbonization In various degree, the bamboo silk after carbonization is light brown or dark-brown;
Bamboo silk urea glue, phenol glue or melamine glue after drying, carbonization carry out impregnation, then are dried, and gel content accounts for The 2%~6% of raw material gross weight, moisture content is 8%~15%;
Step 3: processing bamboo particle
Bamboo particle being put into drying room be dried so that it is moisture content is 10~15%, bamboo particle uses spraying applications method, passes through Urea glue, phenol glue or tripolycyanamide glue are sprayed onto the surface of particle with mist by the glue spraying hole of glue mixer upper cover, pass through The stirring of agitator makes glue progressively tend to being uniformly distributed on particle surface, and gel content accounts for the 8%~15% of bamboo particle gross weight, Bamboo particle after applying glue was placed on about room temperature lower half an hour;
Step 4: processing bamboo silk composite plate
Volume and densimeter according to bamboo silk composite plate to be made calculate the bamboo silk weight needed for every layer of bamboo silk layer and every layer of bamboo particle Bamboo particle weight needed for Ceng is also weighed, and makes removable boxlike or frame mold, and monolayer bamboo silk material is loaded mold In, at one layer of upper berth of monolayer bamboo silk material bamboo particle, bamboo particle repaving one layer of bamboo silk material, bamboo silk layer is staggered with bamboo particle layer folded Put, somewhat apply vibration and make bamboo silk material and bamboo particle load closely knit formation bamboo silk composite plate just base in mold, tear mold open, more right The just base binding of bamboo silk composite plate is fixing, and the thickness of the band that binding is used is preferably 0.3~0.5mm;
Being put into by bamboo silk composite plate just base and carry out hot-press solidifying molding in hot press, temperature controls at 85~180 DEG C, the time 6 ~20 minutes, bamboo silk composite plate just base is the thickest, and required time is the longest, otherwise bamboo silk composite plate just base is the thinnest, and required time is more Short, to remove bundling belt, the bamboo silk composite plate dislocation after molding is carried out heat cure in greenhouse, temperature controls 150~200 DEG C, the time is 3~8 hours;
Step 5: saw limit, sanding.
Burr bamboo silk composite plate after hot pressing after cooling, is sawn into the bamboo silk composite plate of all size, then carries out at sanding Reason.
Table 1 embodiment and comparative example's multilayer composite bamboo panel products technical parameter
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, and those skilled in the art exist As required the present embodiment can be made after reading this specification and there is no the amendment of creative contribution, but as long as in the present invention Right in all protected by Patent Law.

Claims (10)

1. a MULTILAYER COMPOSITE bamboo clappers, it is characterised in that:
It includes the bamboo clappers dash board (1) become by hot pressing after many bamboo fibre bar (01) arrangements and is arranged on described bamboo clappers dash board (1) the bamboo clappers base plate (2) of lower section;
Described bamboo clappers dash board (1) have body (10), dash board end face (14), exposed with display ring shape be pressed into surface (11) the dash board bottom surface (12) of described bamboo clappers base plate (2) top and dash board side that at least one is cleaved, it are arranged on (13);Described bamboo clappers dash board (1) is for by the first thermosetting resin and the cured bamboo clappers being collectively forming of Duo Gen bamboo fibre bar (01) Dash board;
Described bamboo clappers base plate (2) has the backplate surface (21) and described backplate surface being connected with described dash board bottom surface (12) (21) bottom panel side (23) that the base plate bottom surface (22) being oppositely arranged connects with described dash board side (13) and with described table The base plate end face (24) that plate end face (14) connects;
Be provided with in described bamboo clappers dash board (1) and/or bamboo clappers base plate (2) by described many bamboo fibre bars (01) by line sewing, Line braiding, adhesive tape bonding, Hot melt adhesive tape are bonding, batten, non-woven fabrics or the bonding splicing of paper slip, gripping means grips or bamboo fibre bar Connector (02) connects the bamboo fibre bar weaving curtain of arrangement.
A kind of MULTILAYER COMPOSITE bamboo clappers the most according to claim 1, it is characterised in that: described many bamboo fibre bar (01) classes are put down Line mode arranges;Described bamboo clappers base plate (2) is veneer, bamboo silk, bamboo bundle, bamboo chip, flattening bamboo class wide format bamboo clappers or by first Thermosetting resin and the cured bamboo clappers base plate being collectively forming of bamboo fibre bar (01).
A kind of MULTILAYER COMPOSITE bamboo clappers the most according to claim 1, it is characterised in that: it is provided with in described bamboo clappers dash board (1) Cross many described bamboo fibre bars (01) and there is the bamboo fibre bar of intensity in the non-parallel direction of described bamboo fibre bar (01) even Fitting (02), described bamboo fibre bar connector (02) is at the above-below direction of the bamboo fibre bar (01) of adjacent one or more than two It is staggered.
A kind of composite bamboo plate the most according to claim 1, it is characterised in that: offer one on described bamboo clappers base plate (2) Above stress groove (25);
The width of described stress groove is more than 1mm, and the degree of depth is more than 4mm;The spacing distance of adjacent stress groove is 5-20cm.
A kind of MULTILAYER COMPOSITE bamboo clappers the most according to claim 1, it is characterised in that: at the bottom of described bamboo clappers dash board (1) and bamboo clappers Central layer (3) it is additionally provided with between plate (2);It is provided with the first thermosetting between described bamboo clappers dash board (1) and described bamboo clappers base plate (2) Resin bed or the second thermoset resin layer;Or arrange between described bamboo clappers dash board (1), central layer (3) and described bamboo clappers base plate (2) There are the first thermoset resin layer or the second thermoset resin layer.
A kind of MULTILAYER COMPOSITE bamboo clappers the most according to claim 5, it is characterised in that: described central layer (3) is biological material Central layer, selected from bamboo cord wood, bamboo wood, plank, timber integrated timber, timber laminated timber, fibre board, particieboard, multi-layer sheet, determines To particieboard, bamboo clappers, block structure and the Lignum seu Ramulus Cunninghamiae Lanceolatae bar weaving curtain with thickness or bamboo fibre bar weaving curtain.
A kind of MULTILAYER COMPOSITE bamboo clappers the most according to claim 2, it is characterised in that: described bamboo fibre bar connector (02) is Bamboo silk, cotton thread, batten, tree lace or thin wire.
8. according to a kind of MULTILAYER COMPOSITE bamboo clappers described in any one of claim 1-7, it is characterised in that: described bamboo fibre bar (01) Thickness be 1-8mm, width is 1-99mm.
The application of a kind of MULTILAYER COMPOSITE bamboo clappers the most according to claim 1, it is characterised in that: described MULTILAYER COMPOSITE bamboo clappers is used In furniture-plates, decorative board for wall, furred ceiling or bamboo flooring.
The application of a kind of MULTILAYER COMPOSITE bamboo clappers the most according to claim 9, it is characterised in that: described MULTILAYER COMPOSITE bamboo clappers When bamboo flooring, MULTILAYER COMPOSITE bamboo clappers is at bottom panel side (23), bottom panel side (23) and part dash board side (13), base plate end Face (24), base plate end face (24) and part dash board end face (14) have along MULTILAYER COMPOSITE bamboo clappers length direction or the two of width The tenon mouth structure (10) that side processes.
CN201610563767.4A 2016-07-18 2016-07-18 Multi-layer composite bamboo board CN106003278A (en)

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JP2001129809A (en) * 1999-10-29 2001-05-15 Eishin Concrete Kogyo Kk Composite material panel made up of bamboo board material and heterogeneous board material
CN101067350A (en) * 2007-04-24 2007-11-07 葛会龙 Strength natural figured bamboo floor
CN201158918Y (en) * 2007-06-28 2008-12-03 张柏泉 Novel bamboo and wood composite floor
CN102773901A (en) * 2012-08-10 2012-11-14 浙江九川竹木有限公司 Bamboo filament composite board and method for processing same
CN103072160A (en) * 2013-01-31 2013-05-01 湖南省林业科学院 Laminated board formed by fine disintegration and rearrangement of whole raw bamboos and production technical method thereof
CN203471893U (en) * 2013-09-23 2014-03-12 中集木业发展有限公司 Container floor with face bottom made of bamboo outer skins and bamboo wood and container
CN104369233A (en) * 2014-05-26 2015-02-25 中集木业发展有限公司 Flattened bamboo veneer, processing method thereof, flattened bamboo composite floor and container
CN105365002A (en) * 2015-10-26 2016-03-02 浙江凯森板业有限责任公司 Bamboo plywood machining process based on unfolded bamboo curtain face layer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1086109A (en) * 1996-09-14 1998-04-07 Yuichi Kamakura Composite natural structural material
JP2001129809A (en) * 1999-10-29 2001-05-15 Eishin Concrete Kogyo Kk Composite material panel made up of bamboo board material and heterogeneous board material
CN101067350A (en) * 2007-04-24 2007-11-07 葛会龙 Strength natural figured bamboo floor
CN201158918Y (en) * 2007-06-28 2008-12-03 张柏泉 Novel bamboo and wood composite floor
CN102773901A (en) * 2012-08-10 2012-11-14 浙江九川竹木有限公司 Bamboo filament composite board and method for processing same
CN103072160A (en) * 2013-01-31 2013-05-01 湖南省林业科学院 Laminated board formed by fine disintegration and rearrangement of whole raw bamboos and production technical method thereof
CN203471893U (en) * 2013-09-23 2014-03-12 中集木业发展有限公司 Container floor with face bottom made of bamboo outer skins and bamboo wood and container
CN104369233A (en) * 2014-05-26 2015-02-25 中集木业发展有限公司 Flattened bamboo veneer, processing method thereof, flattened bamboo composite floor and container
CN105365002A (en) * 2015-10-26 2016-03-02 浙江凯森板业有限责任公司 Bamboo plywood machining process based on unfolded bamboo curtain face layer

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Application publication date: 20161012