CN105971236A - Composite floor and preparing method thereof - Google Patents

Composite floor and preparing method thereof Download PDF

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Publication number
CN105971236A
CN105971236A CN201610412196.4A CN201610412196A CN105971236A CN 105971236 A CN105971236 A CN 105971236A CN 201610412196 A CN201610412196 A CN 201610412196A CN 105971236 A CN105971236 A CN 105971236A
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CN
China
Prior art keywords
floor
bamboo fibre
board
fibre bar
dash board
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201610412196.4A
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Chinese (zh)
Inventor
宋剑刚
陈永兴
刘福清
黄毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG YONGYU BAMBOO INDUSTRY CO LTD
Original Assignee
ZHEJIANG YONGYU BAMBOO INDUSTRY CO LTD
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Filing date
Publication date
Application filed by ZHEJIANG YONGYU BAMBOO INDUSTRY CO LTD filed Critical ZHEJIANG YONGYU BAMBOO INDUSTRY CO LTD
Priority to CN201610412196.4A priority Critical patent/CN105971236A/en
Publication of CN105971236A publication Critical patent/CN105971236A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/10—Next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered 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
    • B32B3/02—Layered 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
    • B32B3/06—Layered 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/10—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer reinforced with filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered 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
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/04—Tiles for floors or walls

Abstract

The invention relates to a floor, in particular to a composite floor. The composite floor comprises a surface plate and a core plate, wherein the surface plate is formed through solidification of first thermosetting resin and multiple bamboo fiber rods, and the core plate is arranged under the surface plate; the surface plate is provided with a body, a pressed surface which is exposed so as to display the shape of bamboo joints, a connecting surface connected with the core plate, at least one side face formed through cutting, and an end face; the core plate is provided with a surface connected with the surface plate, a bottom surface opposite to the surface, a side face parallel to the side face of the surface plate, and an end face parallel to the end face of the surface plate. The composite floor is high in strength and machining efficiency and low in production cost.

Description

A kind of composite floor board and preparation method thereof
Technical field
The present invention relates to a kind of floor, particularly relate to a kind of composite floor board.
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, prior art CN204876310U(2015-12-16) in disclose a kind of carbon Changing bamboo and woods fiber bamboo silk composite concrete board, but this product is either from apparent, or from using impression, process time all Need to improve.
Summary of the invention
An object of the present invention is to provide that a kind of good stability, process time be short, the composite floor board 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 preparation of the composite floor board of low cost Method.
First technical purpose of the present invention has the technical scheme that
A kind of composite floor board, it includes by the cured floor dash board being collectively forming of the first thermosetting resin and Duo Gen bamboo fibre bar And it is arranged on the central layer below the dash board of described floor；
Described floor dash board have body and exposed with display ring shape be pressed into the connection that surface is connected with described central layer Surface, the dash board side that at least one is cleaved and dash board end face；
Described central layer has at the bottom of the central layer that the core plate surface that is connected with described floor dash board and described core plate surface are oppositely arranged Central layer side that face is parallel with described dash board side and the central layer end face parallel with described dash board end face.
The composite floor board of the present invention has at least one side tangent plane, has again natural bamboo grain and shows ring Shape face, the intensity of composite floor board is high, and working (machining) efficiency is high.Composite floor board has at least one side tangent plane, has therefore saved existing Technology cross-cut saw is cut into the swage set loss of plate about 40% and reduces cost, and integral production cost can reduce about 70%.
As preferably, described many bamboo fibre bar class parallel modes arrange, and be provided with and cross many in the dash board of described floor Bamboo fibre bar also has the bamboo fibre bar connector of intensity in the non-parallel direction of described bamboo fibre bar, and described bamboo fibre bar connects Part is staggered at the above-below direction of adjacent one or the bamboo fibre bar of more than two.Described class parallel mode includes parallel side Formula and less parallel mode.Because every bamboo fibre bar has natural shape, it is likely difficult to during actual arrangement be substantially parallel.
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 floor dash board increase simultaneously, such that it is able to reduce the thickness of floor dash board further, thus improves and adds work efficiency Rate, and make cost be substantially reduced.
As preferably, the thickness of described floor dash board is 2-5mm.
Relative to the skin depth of existing composite floor board, the thickness of floor dash board reduces, cost can be made to be substantially reduced.
As preferably, the thickness of described bamboo fibre bar is 1-4mm, and width is 1-99mm.
Width and the thickness of bamboo fibre bar of the present invention are little, make the floor 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；And make floor dash board have natural bamboo grain also And show ring shape face.
As preferably, between described floor dash board and central layer, it is provided with the first thermoset resin layer or the second thermosetting resin Layer；Or it is provided with the first thermoset resin layer or the second thermosetting resin between described floor dash board, central layer and described base plate Layer.
Between floor 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 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 central layer is biological material central layer, selected from fibre board, particieboard, Recombinant Wood veneer or Block structure and there is certain thickness Lignum seu Ramulus Cunninghamiae Lanceolatae bar weaving curtain or bamboo cane weaving curtain.Biological material central layer is selected to be easy to follow-up Hot pressing is standby.
As preferably, being additionally provided with floor base plate below described biological material central layer, described floor base plate is log list Plate base plate or by the cured floor base plate being collectively forming of the first thermosetting resin and bamboo fibre bar.
If positive and negative is all with bamboo fibre bar hot pressing, the stability of composite floor board can be improved further.
As preferably, described floor 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 floor dash board increase simultaneously, such that it is able to reduce the thickness of floor 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 floor 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 composite floor board, including following preparation process:
(1) floor dash board is prefabricated: by non-flat by described bamboo fibre bar of the bamboo fibre bar of thickness 1-4mm, 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 floor dash board precoated plate；
(2) it is dried: described floor dash board precoated plate is sent into and is dried to moisture content 6-10%, obtain floor dash board drying plate；
(3) prepared by central layer；
(4) hot pressing: described floor dash board drying plate is placed on the top of central layer, at hot pressing pressure 3-6Mpa/cm2, hot pressing temperature Spend 120-170 DEG C and carry out hot pressing, hot pressing time 10-20min, obtain bamboo fibre bar weaved hot-pressing plate；
(5) take care of health；
(6) side is cut: composite floor board width as required carries out cutting fixed width in the side of bamboo fibre bar weaved hot-pressing plate；
(7) mortise mouth.
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 floor dash board increase simultaneously, makes the floor stricture of vagina being eventually fabricated Manage finer and smoother, and make follow-up impregnation and hot pressing time shorten；The present invention is dried hot repressing again by first impregnation, and controls hot pressing Parameter, makes the hot-press solidifying entirety time shorter；It is dried again after impregnation, then hot repressing, heat can be entered with hot pressing intermittent fever and go out；And it is existing Technology is typically the bigger bamboo cane of first dry width, impregnation, then hot repressing the most again, and hot pressing time is long, and during hot pressing only Can cold enter cold go out, need after hot pressing with cold water lower the temperature, in temperature-fall period also can occur bubble layering；And after prior art hot pressing Also to be again dried to control moisture content, therefore whole efficiency is low, and production cost is high.The present invention cuts also by arranging side Face, therefore saved prior art cross-cut saw be cut into plate about 40% swage set loss reduce cost.Therefore, the present invention can improve Working (machining) efficiency, reduces cost；And make floor dash board have natural bamboo grain and show ring shape face.
After hot pressing completes, floor dash board thickness is 2-5mm, and core thickness is 4-6mm, and composite floor board integral thickness is 9- 15mm。
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, central layer is biological material central layer；The preparation of biological material central layer includes fibre board, particieboard or section The preparation of skill veneer；Or including first weave preparation block structure and there is certain thickness Lignum seu Ramulus Cunninghamiae Lanceolatae bar weaving curtain or bamboo cane Weaving curtain, then impregnates the second thermosetting resin, is re-fed into hot pressing.
As preferably, floor dash board drying plate is placed on before the top of biological material central layer carries out hot pressing, on floor The bottom surface of dash board drying plate or the end face of biological material central layer 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.
As preferably, the both sides that described mortise mouth is included in bamboo flooring length direction process notch arrangement.
In sum, the method have the advantages that
1, the composite floor board of the present invention has at least one side tangent plane, has again natural bamboo grain and shows laemodipodiform Shape surface, the intensity of composite floor board is high, and working (machining) efficiency is high.Composite floor board has at least one side tangent plane, has therefore saved existing skill Art cross-cut saw is cut into the swage set loss of plate about 40% and reduces cost, and integral production cost can reduce about 70%；
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 floor dash board increase simultaneously, makes the ground being eventually fabricated Plate texture is finer and smoother, and makes follow-up impregnation and hot pressing time shorten；The present invention is dried hot repressing again by first impregnation, and controls Hot compression parameters, makes the hot-press solidifying entirety time shorter；It is dried again after impregnation, 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 composite floor board one structural representation of the present invention；
Fig. 2 is composite floor board one structural representation of the present invention；
Fig. 3 is composite floor board one structural representation of the present invention；
Fig. 4 is composite floor board one structural representation of the present invention；
Fig. 5 is composite floor board one structural representation of the present invention；
Fig. 6 is composite floor board one structural representation of the present invention；
Fig. 7 is composite floor board one structural representation of the present invention；
Fig. 8 is composite floor board one structural representation of the present invention；
Fig. 9 is composite floor board one structural representation of the present invention；
Figure 10 is composite floor board joggle schematic diagram of the present invention.
Detailed description of the invention
As shown in Fig. 1-Figure 10, composite floor board includes by the first thermosetting resin and Duo Gen bamboo fibre bar 01 cured jointly Formed floor dash board 1 and be arranged on the central layer 2 below the dash board of floor；Floor dash board has body 10 and exposed with display Ring 110 shape be pressed into the connection surface 12 that surface 11 is connected, the dash board side 13 that at least one is cleaved with central layer And dash board end face 14；
Central layer 2 have central layer bottom surface 22 that the core plate surface 21 being connected with floor dash board is oppositely arranged with core plate surface 21 and Central layer side 23 that dash board side 13 is parallel and the central layer end face 24 parallel with dash board end face 14；Composite floor board is in central layer side The both sides that the position at the position at 23 places or central layer side 23 and place, dash board side 13 has along composite floor board length direction add Work notch arrangement 10 out.
As shown in Fig. 1-Figure 10, many bamboo fibre bar 01 class parallel mode arrangements, it is provided with in floor 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 floor texture being eventually fabricated finer and smoother, make follow-up impregnation and hot pressing time shorten, thus improve processing Efficiency, reduces cost；And make floor 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 1-4mm, and width is 1-99mm.The thickness of floor dash board 1 is 2- 5mm。
Floor 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.Central layer 2 is biological material central layer, selected from fibre board, particieboard, Recombinant Wood veneer or block structure and there is thickness The Lignum seu Ramulus Cunninghamiae Lanceolatae bar weaving curtain of degree or bamboo cane weaving curtain.
As Figure 1-Figure 4, bamboo fibre bar connector is horizontal through bamboo fibre bar, bamboo fibre bar connector and bamboo fibre bar Perpendicular, and bamboo fibre bar connector 02 is the staggered row of above-below direction of adjacent one or the bamboo fibre bar 01 of more than two Row, such as, can be every 1, two or three braidings, be spaced one, two or three.
As shown in Figure 5-Figure 8, bamboo fibre bar connector tilts through bamboo fibre bar, bamboo fibre bar connector and bamboo fibre bar Angle less than 90 degree, and bamboo fibre bar connector 02 is at adjacent one or the upper and lower of the bamboo fibre bar 01 of more than two To being staggered, such as, can be every 1, two or three braidings, be spaced one, two or three.Bamboo fibre bar connector 01 can be selected from bamboo silk, cotton thread or thin wire.
As it is shown in figure 9, be additionally provided with floor base plate 4 below central layer 2, floor base plate 4 is log veneer base plate or by first Thermosetting resin and the cured floor base plate being collectively forming of bamboo fibre bar.Inventor finds through experiment, if positive and negative is all With bamboo fibre bar hot pressing, the stability of composite floor board can be improved further.Floor 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.
In order to improve the intensity on floor, it is also possible to be provided with the first thermosetting further between floor dash board 1 and central layer 2 Resin bed or the second thermoset resin layer；Or it is provided with the first thermosetting tree between floor dash board 1, central layer 2 and floor base plate 4 Lipid layer or the second thermoset resin layer.The thermosetting resin arranged between floor 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.
Embodiment one
The preparation method of composite floor board, including following preparation process:
(1) floor 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, and bamboo fibre bar weaving curtain is impregnated the first thermosetting Resin obtains floor dash board precoated plate；The width of bamboo fibre bar weaving curtain is 0.6-2m；
(2) it is dried: floor dash board precoated plate is sent into and is dried to moisture content 6%, obtain floor dash board drying plate；
(3) prepared by central layer；
(4) hot pressing: floor dash board drying plate is placed on the top of central layer, 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；
(5) take care of health；
(6) side is cut: composite floor board width as required carries out cutting fixed width in the side of bamboo fibre bar weaved hot-pressing plate；
(7) mortise mouth.
When composite floor board actual installation of the present invention uses, according to carrying out Tenon assembling shown in Figure 10.
Embodiment two
The preparation method of composite floor board, including following preparation process:
(1) floor 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 floor dash board precoated plate；The width of bamboo fibre bar weaving curtain is 2m；
(2) it is dried: floor dash board precoated plate is sent into and is dried to moisture content 10%, obtain floor dash board drying plate；
(3) prepared by central layer；
(4) hot pressing: floor dash board drying plate is placed on the top of central layer, 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；
(5) take care of health；
(6) side is cut: composite floor board width as required carries out cutting fixed width in the side of bamboo fibre bar weaved hot-pressing plate；
(7) mortise mouth.
Embodiment three
The preparation method of composite floor board, including following preparation process:
(1) floor 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 floor dash board precoated plate；The width of bamboo fibre bar weaving curtain is 1.5m；
(2) it is dried: floor dash board precoated plate is sent into and is dried to moisture content 8%, obtain floor dash board drying plate；
(3) prepared by central layer；
(4) hot pressing: floor dash board drying plate is placed on the top of central layer, 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；
(5) take care of health；
(6) side is cut: composite floor board width as required carries out cutting fixed width in the side of bamboo fibre bar weaved hot-pressing plate；
(7) mortise mouth.
Embodiment four
With embodiment one, except for the difference that the width of bamboo fibre bar 01 is 99mm, is provided with between floor dash board 1 and central layer 2 One thermoset resin layer or the second thermoset resin layer；Or it is provided with first between floor dash board 1, central layer 2 and floor base plate 4 Thermoset resin layer or the second thermoset resin 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 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, between floor dash board 1 and central layer 2, 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 floor dash board 1, central layer 2 and floor base plate 4 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 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 floor dash board 1 and central layer 2, 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 floor dash board 1, central layer 2 and floor base plate 4 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 sanding process.
Table 1 embodiment and comparative example's product technology 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 composite floor board, it is characterised in that:
It includes by the cured floor dash board (1) being collectively forming of the first thermosetting resin and Duo Gen bamboo fibre bar (01) and sets Put the central layer (2) below the dash board of described floor；
Described floor dash board (1) have body (10) and exposed with display ring shape be pressed into surface (11) and described core The connection surface (12) that plate connects, dash board side (13) that at least one is cleaved and dash board end face (14)；
Described central layer (2) has set relative with described core plate surface (21) with the core plate surface (21) of described floor dash board connection Central layer side (23) that the central layer bottom surface (22) put is parallel with described dash board side (13) and putting down with described dash board end face (14) The central layer end face (24) of row；
Floor dash board (1) thickness is 2-5mm, and core thickness is 4-6mm, and composite floor board integral thickness is 9-15mm.
A kind of composite floor board the most according to claim 1, it is characterised in that: described central layer (2) lower section is additionally provided with floor Base plate (4), described floor base plate (4) is log veneer base plate or by the cured common shape of the first thermosetting resin and bamboo fibre bar The floor base plate become.
A kind of composite floor board the most according to claim 2, it is characterised in that: described many bamboo fibre bar (01) the parallel sides of class Formula arranges, and is provided with and crosses many bamboo fibre bars (01) non-flat described bamboo fibre bar (01) in described floor dash board (1) Line direction has bamboo fibre bar connector (02) of intensity, described bamboo fibre bar connector (02) adjacent one or two with On the above-below direction of bamboo fibre bar (01) be staggered.
A kind of composite floor board the most according to claim 3, it is characterised in that: between described floor dash board (1) and central layer (2) It is provided with the first thermoset resin layer or the second thermoset resin layer；Or described floor dash board (1), central layer (2) and described The first thermoset resin layer or the second thermoset resin layer it is provided with between plate base plate (4).
A kind of composite floor board the most according to claim 4, it is characterised in that: described first thermoset resin layer or the second heat Thermosetting resin layer is phenolic resin glue, melamine resin, Lauxite or cyanurotriamide modified Lauxite.
A kind of composite floor board the most according to claim 1, it is characterised in that: described central layer (2) is biological material central layer, Selected from fibre board, particieboard, Recombinant Wood veneer or block structure and the Lignum seu Ramulus Cunninghamiae Lanceolatae bar weaving curtain with thickness or bamboo cane compile Knit curtain.
A kind of composite floor board the most according to claim 2, it is characterised in that: described bamboo fibre bar connector (01) is bamboo Silk, cotton thread or thin wire.
A kind of composite floor board the most according to claim 1, it is characterised in that: described floor dash board (1) is one layer or two-layer The bamboo fibre bar weaving curtain heating platen of above bamboo fibre bar weaving curtain hot pressing.
9. the preparation method of a composite floor board according to claim 1, it is characterised in that include following preparation process:
(1) floor dash board is prefabricated: the non-parallel direction at described bamboo fibre bar has bamboo fibre bar connector (02) of intensity Cross thickness 1-4mm, the bamboo fibre bar (01) of width 1-99mm is woven into bamboo fibre bar weaving curtain, is soaked by bamboo fibre bar weaving curtain Stain the first thermosetting resin obtains floor dash board precoated plate；
(2) it is dried: described floor dash board precoated plate is sent into and is dried to moisture content 6-10%, obtain floor dash board drying plate；
(3) prepared by central layer；
(4) hot pressing: described floor dash board drying plate is placed on the top of central layer, at hot pressing pressure 3-6Mpa/cm2, hot pressing temperature 120-170 DEG C carries out hot pressing, hot pressing time 10-20min, obtains bamboo fibre bar weaved hot-pressing plate；
(5) take care of health；
(6) side is cut: composite floor board width as required carries out cutting fixed width in the side of bamboo fibre bar weaved hot-pressing plate；
(7) mortise mouth.
The preparation method of composite floor board the most according to claim 9, it is characterised in that: the bamboo fibre in described step (1) The width of bar weaving curtain is 0.6-2m.
CN201610412196.4A 2016-06-14 2016-06-14 Composite floor and preparing method thereof Pending CN105971236A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2697202Y (en) * 2004-05-12 2005-05-04 姚爱兴 Super-thin bamboo composite floor
CN101067350A (en) * 2007-04-24 2007-11-07 葛会龙 Strength natural figured bamboo floor
CN201635338U (en) * 2009-11-25 2010-11-17 浙江世友木业有限公司 Solid wood composite floor board
US20120015131A1 (en) * 2010-07-16 2012-01-19 Ahmet Akarsu Bamboo lumber products
CN105599379A (en) * 2015-12-28 2016-05-25 德华兔宝宝装饰新材股份有限公司 Preparation method of composite floor board

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2697202Y (en) * 2004-05-12 2005-05-04 姚爱兴 Super-thin bamboo composite floor
CN101067350A (en) * 2007-04-24 2007-11-07 葛会龙 Strength natural figured bamboo floor
CN201635338U (en) * 2009-11-25 2010-11-17 浙江世友木业有限公司 Solid wood composite floor board
US20120015131A1 (en) * 2010-07-16 2012-01-19 Ahmet Akarsu Bamboo lumber products
CN105599379A (en) * 2015-12-28 2016-05-25 德华兔宝宝装饰新材股份有限公司 Preparation method of composite floor board

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Title
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