CN101214664A - Method of preparing bamboo wood complementary composite material - Google Patents
Method of preparing bamboo wood complementary composite material Download PDFInfo
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- CN101214664A CN101214664A CNA2007103044622A CN200710304462A CN101214664A CN 101214664 A CN101214664 A CN 101214664A CN A2007103044622 A CNA2007103044622 A CN A2007103044622A CN 200710304462 A CN200710304462 A CN 200710304462A CN 101214664 A CN101214664 A CN 101214664A
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Abstract
The present invention belongs to the technical field of artifical boards and composite materials. The present invention applies the following processing steps: the collection of bamboo materials, the processing of bamboo culms, the slicing of bamboo strips, the processing of bamboo filament, the processing of a bamboo filament curtain, the glue dipping of the bamboo filament curtain, the glue trickling and drying of the glue-dipped bamboo filament curtain, the peeling and slicing of wood veneers, the removal of wood scars, the production of glulam, the glue dipping and drying of the wood veneers, unidirectional bamboo-wood laminating assembly, pressing, etc. By utilizing the characteristics of bamboo and wood and the performance complementation of bamboo as the main material and wood as the auxiliary material, a high-quality composite material with an excellent performance and without inside defects is produced.
Description
Technical field:
The invention belongs to wood-based plate and technical field of composite materials.
Background technology:
Bamboo wood belongs to reproducible natural material, function admirable, outside bamboo wood functional.But bamboo wood is thin-walled, hollow, the non-regular elliptic cone tubular of sharpening degree arranged, and bamboo wood radial performance difference is very big, and the bamboo wood outside and inboard performance difference are very big.Bamboo wood can be made into different machining cells, comprises thick bamboo tube, bamboo bar, bamboo chip (thin bamboo strips used for weaving), bamboo silk, vascular bundle and bamboo fibre.Thick bamboo tube is difficult to directly make the high performance structural material.Chief reason one is that the geometry of thick bamboo tube is irregular, connects difficulty.The 2nd, thick bamboo tube outside vascular bundle is densely distributed, expand with wet and contract with dry rate height.The inboard vascular bundle of thick bamboo tube distributes sparse, and the expand with wet and contract with dry rate is low.Thick bamboo tube is easy to ftracture and becomes main problem.But the processing capacity minimum of thick bamboo tube, cost is low.The bamboo bar then is thick bamboo tube to be broken form, and the lack of homogeneity of bamboo bar is subjected to the influence of degree of sharpening, and the length of bamboo bar is restricted.Be used to process ornament materials such as well-thought-out plan floor more.Bamboo chip (thin bamboo strips used for weaving) then is the bamboo bar to be hacked form, and the uniformity of thin bamboo strips used for weaving is better, can adopt stage division, is divided into different ranks.But the lack of homogeneity of thin bamboo strips used for weaving, geometry is irregular, is difficult to prepare high performance composite.The bamboo silk is a kind of continuous, regular machining cell of sectional dimension, can make the bamboo-based composite material of better performances.But the direction of bamboo silk, position be difficult to accomplish accurate location just, the space of some also can appear in bamboo wire composite material inside, has influence on the performance of material.The mechanical property of bamboo wood can be up to 300MPa, and modulus then can be near 30GPa, and hardness height, compression ratio are little.
The performance of timber is far below bamboo wood, and the intensity of most timber structure materials is lower than 100MPa, and modulus is lower than 18GPa, and some soft wood quality flexibilities are good, compression ratio is high.
Summary of the invention
The purpose of this invention is to provide a kind of method of preparing bamboo wood complementary composite material, utilize bamboo wood characteristic, is main material with the bamboo, and timber is auxiliary material, utilizes the characteristics of both performance complements, makes function admirable, inner flawless high-quality composite.
Method of the present invention comprises the steps:
(1) collection of bamboo wood, the collection of bamboo wood need be to bamboo kinds, collecting location, acquisition time, collection quantity, gather people, bamboo age, the diameter of a cross-section of a tree trunk 1.3 meters above the ground, length, there is clearly record in the footpath slightly;
(2) processing of bamboo stalk, the annular saw that is processed as of bamboo stalk blocks, and length is with reference to regulation, and bamboo stalk length is the clear length size, and diameter, the thickness of bamboo wall, circularity, the sharpening degree of the bamboo stalk after the segmentation are classified;
(3) processing of bamboo bar, the processing method of hair bamboo strip are the broken bars of machinery that collides, and the width of bamboo strip is between 10 to 30mm, and the thickness of bamboo strip needs evenly, and same group of bamboo strip thickness error must not surpass ± 10%,
(4) hacking of bamboo bar, bamboo bar are hacked and are surf green sheet and tabasheer sheet, and bamboo chip can be divided into different ranks, necessarily sorts out by thickness;
(5) bamboo silk processing, bamboo chip can adopt wire drawing or silk pressing method to make the bamboo silk, and the thickness of bamboo silk is at 1-3mm, and width is at 2-10mm, and length is between 1-5m;
(6) processing of bamboo silk curtain, bamboo silk can utilize curtain knitting machine to make bamboo silk curtain, and the thickness of bamboo silk curtain and length are the thickness and the length of bamboo silk, and width is 0.3-1.2m;
(7) impregnation of bamboo silk curtain, bamboo silk curtain impregnation, adhesive is an epoxy resin;
(8) the drop glue and the drying of impregnation bamboo silk curtain go impregnation bamboo silk curtain drop to unnecessary resin, drying;
(9) rotary-cut veneer: select few timber that scabs, directly be peeled into veneer, the thickness of veneer is at 0.5-3mm;
(10) slicing veneer, choosing does not have the timber that scabs, and directly slicing becomes not have the slicing veneer that scabs;
(11) the timber saw is separated, and the timber saw is separated into batten;
(12) the wood removal that scabs will have the batten that scabs, and removal scabs, and make and not have the batten that scabs;
(13) do not have the batten spreading that scabs, nothing is scabbed batten with finger or mitered method spreading;
(14) manufacturing of wooden integrated timber with the nothing batten gluing that scabs, is pressed into wooden integrated timber;
(15) slicing veneer becomes veneer with wooden integrated timber with the slicer slicing;
(16) the impregnation drying of veneer with veneer, slicing veneer, rotary-cut veneer difference impregnation, the drying of making, is made the assembly veneer;
(17) the unidirectional lamination assembly of bamboo wood is with bamboo silk curtain and the unidirectional lamination assembly of assembly veneer;
(18) veneer quadrature assembly, the vertical lamination assembly of bamboo silk curtain and assembly veneer increases the horizontal assembly of assembly veneer;
(19) bamboo wood quadrature assembly, bamboo silk curtain and assembly veneer vertical and horizontal lamination assembly;
(20) compacting, the bamboo-wood composite material behind the assembly is hot-forming on press, pressure 2.5-4MPa, 10 minutes time, 75 ℃ of hot pressing temperatures.
Described timber is processed into batten, removal scabs, the wooden integrated timber of bonding one-tenth, and slicing becomes veneer again.
Described is that the wood grain of the bamboo silk of bamboo silk curtain and assembly veneer is placed in the same way and for bamboo wood lamination with bamboo silk curtain and the unidirectional lamination assembly of assembly veneer.
The vertical lamination assembly of described bamboo silk curtain and assembly veneer is vertically placing along the bamboo silk of bamboo silk curtain, and the assembly veneer is placed and is bamboo wood lamination and place along grain direction is vertical with bamboo silk direction.
Described bamboo silk curtain and assembly veneer vertical and horizontal lamination assembly are that the wood grain of the bamboo silk of bamboo silk curtain and assembly veneer can be horizontal, or vertically place and be the placement of bamboo wood lamination.
Said method has been realized purpose of the present invention.
Advantage of the present invention is that the bamboo silk with high strength, high-modulus, little compressible is a main material, and the wood-base materials high with compressible is auxiliary material, makes inner closely knit, flawless bamboo wood complementary composite material.The characteristics of bamboo wood are hardness height, intensity height, modulus height, and compression ratio is low.But also there is certain difficulty in the moulding between the orientation of bamboo silk, bamboo silk under accurate in locating, the little compressible.Also there is certain space in bamboo wire composite material inside.Though unnecessary resin can be filled up, the performance of material is affected.If adopt the gap between the wood-base materials filling bamboo wood that flexibility is good, compression ratio is high, then can remedy the deficiency of bamboo-based composite material.Therefore, high performance bamboo-based composite material needs timber to replenish the gap, gains in strength.The mechanical property of timber generally is lower than bamboo wood, and the performance of wood base composite material also is affected.The performance height of bamboo wood can play the effect that strengthens timber, so bamboo wood and timber have tangible complementation.Two kinds of materials have tangible complementation, are referred to as bamboo wood complementary composite material.
The main kind of bamboo wood complementary composite material is as follows:
(1) bamboo wood complementary unidirectional composite material
Be the unidirectional lamination assembly of bamboo silk curtain and assembly veneer, the bamboo silk of bamboo silk curtain and the wood grain of assembly veneer are in the same way and be that bamboo wood lamination is placed.With the bamboo silk is main material, and veneer is auxiliary material.The unidirectional assembly of both unidirectional laminations, compacting forms.Vertical performance of material is the strongest, and lateral performance is lower.
(2) the vertical composite of bamboo wood complementary master
Be the vertical lamination assembly of bamboo silk curtain and assembly veneer, vertically the placing of bamboo silk curtain along the bamboo silk, the assembly veneer is placed and is bamboo wood lamination and place along grain direction is vertical with bamboo silk direction, is main material with the bamboo silk, and veneer is auxiliary material.Both unidirectional lamination assemblies, it is the quadrature transverse assembly that a spot of veneer is arranged, and improves lateral performance.
(3) bamboo wood complementary composite material cross-ply laminate
Be bamboo silk curtain and assembly veneer vertical and horizontal lamination assembly, the bamboo silk of bamboo silk curtain and the wood grain of assembly veneer can be horizontal, or vertically place and be the placement of bamboo wood lamination.Be main material with the bamboo silk promptly, veneer is auxiliary material.The multidirectional assembly of both unidirectional laminations, compacting forms.The vertical performance and the lateral performance of material can design.
The specific embodiment
(1) collection of bamboo wood: the collection of bamboo wood need be to bamboo kind, collecting location, acquisition time, collection quantity, gather people, bamboo age, the diameter of a cross-section of a tree trunk 1.3 meters above the ground, length, there is clearly record in the footpath slightly;
(2) the range estimation classification of bamboo wood: footpath level, length, tip footpath, degree of crook and defective to bamboo wood are classified; The middle diabolo stalk of the geometric shape of bamboo wood for cutting apart by ring, main physical dimension has: the major diameter of the spacing of the length of bamboo stalk, the diameter of a cross-section of a tree trunk 1.3 meters above the ground, ring quantity, ring, the big end of bamboo stalk and small end; Minor axis and bamboo wall thickness etc.
(3) processing of thin bamboo strips used for weaving bar (wool top): the processing of wool top is adopted to collide and is finished, and can break bar according to the average girth diameter five equilibrium of bamboo stalk.The width of wool top is little, helps the even of bamboo wood.Width is 15mm.
(4) the bamboo bar hacks: adopt Fixed width and fixed thick slicer, can be to bamboo bar Fixed width and fixed thick hacking, and the thickness of bamboo chip is 2-3mm.Because the thickness of bamboo bar (bamboo chip behind removal surf green and the tabasheer) is irregular, and high-quality product needed is with its thickness regularization.At first with the fixed thick processing of surf green sheet and tabasheer sheet, wherein the quality of surf green sheet is good, can be with its thickness regularization, and the poor-performing of tabasheer sheet, thickness can be irregular.The surf green sheet can be processed into two kinds of other products of level of A, B further to separate piece.The tabasheer sheet can become C, D level bamboo chip to separate piece when thickness is excessive.
(5) bamboo silk processing: bamboo chip can adopt drawing process to make the bamboo silk, and the width of bamboo silk is 3mm.The thickness of bamboo silk is 2mm, and the length of bamboo silk is between 1-5 rice.
(6) processing of bamboo silk curtain: with curtain knitting machine the bamboo silk is weaved into bamboo curtain splint, the thickness of bamboo curtain splint and length are the thickness and the length of bamboo silk, and the width of bamboo curtain splint is 500mm.
(7) impregnation of bamboo silk curtain and drying: bamboo silk curtain is through impregnation, drop glue, and drying, moisture content is lower than 10%, and it is standby to make impregnation bamboo silk curtain.
(8) preparation of wooden integrated timber: the timber saw is separated into batten, removes and scabs.The width that does not have the batten that scabs is 30mm, and thickness is 20mm, and length is 0.5,1,1.5,2 meters.The batten gluing is pressed into wooden integrated timber, and the width of wooden integrated timber is 250mm, and length is 4 meters, and thickness is 300mm.
(9) slicing of veneer: with the timber slicer wooden integrated timber slicing is become veneer, it is thick that veneer is of a size of 1mm, and 250mm is wide, and 4 meters long.
(10) impregnation of veneer: adhesive is selected phenolic aldehyde or epoxy resin for use, uses solvent dilution, adjusts the concentration of glue, and veneer impregnation, pressure roller remove unnecessary glue, drying, and moisture content is lower than 8%, makes the assembly veneer.
(11) lamination assembly: be divided into the unidirectional lamination assembly of bamboo silk curtain and assembly veneer, vertical lamination assembly of bamboo silk curtain and assembly veneer and bamboo silk curtain and bamboo silk curtain and assembly veneer vertical and horizontal lamination assembly.
The unidirectional lamination assembly of assembly veneer is that the wood grain of the bamboo silk of bamboo silk curtain and assembly veneer is placed in the same way and for bamboo wood lamination; Form one deck bamboo silk curtain, its wood grain of one deck assembly veneer and bamboo silk in the same way, the placement of bamboo wood lamination selects bamboo silk curtain or assembly veneer to make the outer end surface layer as required.
The vertical lamination assembly of bamboo silk curtain and assembly veneer is vertically placing along the bamboo silk of bamboo silk curtain, and the assembly veneer is placed and is bamboo wood lamination and place along grain direction is vertical with bamboo silk direction.Form one deck bamboo silk curtain, its wood grain of one deck assembly veneer and bamboo silk to vertical (comprising near normal, 20 °-90 ° of oblique angles), bamboo wood lamination is placed, and selects bamboo silk curtain or assembly veneer to make the outer end surface layer as required.
Bamboo silk curtain and assembly veneer vertical and horizontal lamination assembly are that the wood grain of the bamboo silk of bamboo silk curtain and assembly veneer can be laterally or vertically place and place for bamboo wood lamination, are any combination of above-mentioned two lamination assembly methods.
(13) compacting, the bamboo compound blanket of the wood compression moulding on press behind the assembly, the modified phenolic adhesive solidification temperature is 140-150 ℃, pressure 2.5-4MPa, 10 minutes time, 75 ℃ of cold cold temperature down.
(14) cut edge husky light
Bamboo strengthens the material length direction need cut edge surperficial husky light.
(15) detect
With the ultrasonic wave nondestructive testing and, to moisture content, density, modulus, the intensity detection of bamboo reinforcing material.Structure is as the index of product, also for regulating the assembly ratio, the service of control properties of product.
(16) properties of product of bamboo cord wood
How much indexs of the product of bamboo cord wood comprise the precision and the depth of parallelism of length, width, thickness, physical dimension, and physical property comprises density, moisture content, hardness, and mechanical property has modulus and intensity.Need the authentication of the quality certification and quality.
Claims (5)
1. method of preparing bamboo wood complementary composite material is characterized in that:
(1) collection of bamboo wood, the collection of bamboo wood need be to bamboo kinds, collecting location, acquisition time, collection quantity, gather people, bamboo age, the diameter of a cross-section of a tree trunk 1.3 meters above the ground, length, there is clearly record in the footpath slightly;
(2) processing of bamboo stalk, the annular saw that is processed as of bamboo stalk blocks, and length is with reference to regulation, and bamboo stalk length is the clear length size, and diameter, the thickness of bamboo wall, circularity, the sharpening degree of the bamboo stalk after the segmentation are classified;
(3) processing of bamboo bar, the processing method of hair bamboo strip are the broken bars of machinery that collides, and the width of bamboo strip is between 10 to 30mm, and the thickness of bamboo strip needs evenly, and same group of bamboo strip thickness error must not surpass ± 10%,
(4) hacking of bamboo bar, bamboo bar are hacked and are surf green sheet and tabasheer sheet, and bamboo chip can be divided into different ranks, necessarily sorts out by thickness;
(5) bamboo silk processing, bamboo chip can adopt wire drawing or silk pressing method to make the bamboo silk, and the thickness of bamboo silk is at 1-3mm, and width is at 2-10mm, and length is between 1-5m;
(6) processing of bamboo silk curtain, bamboo silk can utilize curtain knitting machine to make bamboo silk curtain, and the thickness of bamboo silk curtain and length are the thickness and the length of bamboo silk, and width is 0.3-1.2m;
(7) impregnation of bamboo silk curtain, bamboo silk curtain impregnation, adhesive is an epoxy resin;
(8) the drop glue and the drying of impregnation bamboo silk curtain go impregnation bamboo silk curtain drop to unnecessary resin, drying;
(9) rotary-cut veneer: select few timber that scabs, directly be peeled into veneer, the thickness of veneer is at 0.5-3mm;
(10) slicing veneer, choosing does not have the timber that scabs, and directly slicing becomes not have the slicing veneer that scabs;
(11) the timber saw is separated, and the timber saw is separated into batten;
(12) the wood removal that scabs will have the batten that scabs, and removal scabs, and make and not have the batten that scabs;
(13) do not have the batten spreading that scabs, nothing is scabbed batten with finger or mitered method spreading;
(14) manufacturing of wooden integrated timber with the nothing batten gluing that scabs, is pressed into wooden integrated timber;
(15) slicing veneer becomes veneer with wooden integrated timber with the slicer slicing;
(16) the impregnation drying of veneer with veneer, slicing veneer, rotary-cut veneer difference impregnation, the drying of making, is made the assembly veneer;
(17) the unidirectional lamination assembly of bamboo wood is with bamboo silk curtain and the unidirectional lamination assembly of assembly veneer;
(18) veneer quadrature assembly, the vertical lamination assembly of bamboo silk curtain and assembly veneer increases the horizontal assembly of assembly veneer;
(19) bamboo wood quadrature assembly, bamboo silk curtain and assembly veneer vertical and horizontal lamination assembly;
(20) compacting, the bamboo-wood composite material behind the assembly is hot-forming on press, pressure 2.5-4MPa, 10 minutes time, 75 ℃ of cold cold temperature down.
2. a kind of method of preparing bamboo wood complementary composite material according to claim 1 is characterized in that: described timber is processed into batten, removal scabs, the wooden integrated timber of bonding one-tenth, and slicing becomes veneer again.
3. a kind of method of preparing bamboo wood complementary composite material according to claim 1 is characterized in that: described is that the wood grain of the bamboo silk of bamboo silk curtain and assembly veneer is placed in the same way and for bamboo wood lamination with bamboo silk curtain and the unidirectional lamination assembly of assembly veneer.
4. a kind of method of preparing bamboo wood complementary composite material according to claim 1, it is characterized in that: the vertical lamination assembly of described bamboo silk curtain and assembly veneer is vertically placing along the bamboo silk of bamboo silk curtain, and the assembly veneer is placed and is bamboo wood lamination and place along grain direction is vertical with bamboo silk direction.
5. a kind of method of preparing bamboo wood complementary composite material according to claim 1 is characterized in that: described bamboo silk curtain and assembly veneer vertical and horizontal lamination assembly are that the wood grain of the bamboo silk of bamboo silk curtain and assembly veneer can be laterally or vertically place and place for bamboo wood lamination.
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Cited By (15)
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| CN101947799A (en) * | 2010-09-02 | 2011-01-19 | 南京林业大学 | Production method of laminated veneer lumber |
| CN102514067A (en) * | 2011-12-08 | 2012-06-27 | 覃健林 | Processing method for bamboo wadding lunch boxes, dinnerware and products |
| CN103101095A (en) * | 2013-01-31 | 2013-05-15 | 重庆知德文化传播有限公司 | Long bamboo filament manufacture process |
| CN103231424A (en) * | 2013-04-25 | 2013-08-07 | 安徽宏宇竹木制品有限公司 | Hollow bamboo based fiber composite structure materials and production method thereof |
| CN103231423A (en) * | 2013-04-25 | 2013-08-07 | 安徽宏宇竹木制品有限公司 | Laminate bamboo radical fiber composite material and manufacturing method thereof |
| CN103817762A (en) * | 2014-03-13 | 2014-05-28 | 国际竹藤中心 | Method and equipment thereof for continuously and automatically paving coiled bamboo curtain of bamboo-wood composite board |
| CN104084996A (en) * | 2014-06-30 | 2014-10-08 | 贵州新锦竹木制品有限公司 | Method for manufacturing bamboo and Chinese fir staggered lamination composite structural material |
| CN104608223A (en) * | 2013-11-04 | 2015-05-13 | 姚秀贵 | Method for manufacturing bamboo recombined laminated wood sliced sheet |
| CN106493808A (en) * | 2015-09-06 | 2017-03-15 | 湖南中南神箭竹木有限公司 | A kind of method for producing bamboo black hair and bamboo curtain splint |
| CN106592913A (en) * | 2016-12-08 | 2017-04-26 | 安徽志昌竹木科技有限公司 | Producing technique for bamboo floor capable of achieving quick heat conduction |
| CN107344381A (en) * | 2017-09-06 | 2017-11-14 | 南京林业大学 | A kind of compound bottom girder of high-strength lorry and its manufacture method |
| CN110027063A (en) * | 2019-05-30 | 2019-07-19 | 河南农业大学 | A kind of preparation method of biomass board |
| CN112873454A (en) * | 2021-01-11 | 2021-06-01 | 连城县竹匠新材料有限公司 | Recombined bamboo rolling curtain weaving process |
| CN114274283A (en) * | 2021-12-31 | 2022-04-05 | 福建省闽清双棱竹业有限公司 | Method for manufacturing container bottom plate by utilizing bamboo green strips to directionally strengthen rolled and flattened bamboo plates |
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| CN101947799A (en) * | 2010-09-02 | 2011-01-19 | 南京林业大学 | Production method of laminated veneer lumber |
| CN102514067A (en) * | 2011-12-08 | 2012-06-27 | 覃健林 | Processing method for bamboo wadding lunch boxes, dinnerware and products |
| CN102514067B (en) * | 2011-12-08 | 2014-09-24 | 覃健林 | Processing method for bamboo wadding lunch boxes, dinnerware and products |
| CN103101095A (en) * | 2013-01-31 | 2013-05-15 | 重庆知德文化传播有限公司 | Long bamboo filament manufacture process |
| CN103101095B (en) * | 2013-01-31 | 2015-02-11 | 重庆知德文化传播有限公司 | Long bamboo filament manufacture process |
| CN103231424A (en) * | 2013-04-25 | 2013-08-07 | 安徽宏宇竹木制品有限公司 | Hollow bamboo based fiber composite structure materials and production method thereof |
| CN103231423A (en) * | 2013-04-25 | 2013-08-07 | 安徽宏宇竹木制品有限公司 | Laminate bamboo radical fiber composite material and manufacturing method thereof |
| CN103231423B (en) * | 2013-04-25 | 2015-12-02 | 安徽宏宇竹木制品有限公司 | A kind of laminate bamboo radical fiber composite material and manufacture method thereof |
| CN104608223A (en) * | 2013-11-04 | 2015-05-13 | 姚秀贵 | Method for manufacturing bamboo recombined laminated wood sliced sheet |
| CN103817762A (en) * | 2014-03-13 | 2014-05-28 | 国际竹藤中心 | Method and equipment thereof for continuously and automatically paving coiled bamboo curtain of bamboo-wood composite board |
| CN103817762B (en) * | 2014-03-13 | 2016-06-29 | 国际竹藤中心 | The package bamboo curtain splint serialization automatic packing method of bamboo-wood plyboard and equipment thereof |
| CN104084996A (en) * | 2014-06-30 | 2014-10-08 | 贵州新锦竹木制品有限公司 | Method for manufacturing bamboo and Chinese fir staggered lamination composite structural material |
| CN106493808A (en) * | 2015-09-06 | 2017-03-15 | 湖南中南神箭竹木有限公司 | A kind of method for producing bamboo black hair and bamboo curtain splint |
| CN106592913A (en) * | 2016-12-08 | 2017-04-26 | 安徽志昌竹木科技有限公司 | Producing technique for bamboo floor capable of achieving quick heat conduction |
| CN106592913B (en) * | 2016-12-08 | 2018-10-23 | 安徽志昌竹木科技有限公司 | A kind of production technology of quick conductive bamboo flooring |
| CN107344381A (en) * | 2017-09-06 | 2017-11-14 | 南京林业大学 | A kind of compound bottom girder of high-strength lorry and its manufacture method |
| CN110027063A (en) * | 2019-05-30 | 2019-07-19 | 河南农业大学 | A kind of preparation method of biomass board |
| CN112873454A (en) * | 2021-01-11 | 2021-06-01 | 连城县竹匠新材料有限公司 | Recombined bamboo rolling curtain weaving process |
| CN114274283A (en) * | 2021-12-31 | 2022-04-05 | 福建省闽清双棱竹业有限公司 | Method for manufacturing container bottom plate by utilizing bamboo green strips to directionally strengthen rolled and flattened bamboo plates |
| CN115070885A (en) * | 2022-05-20 | 2022-09-20 | 国际竹藤中心 | Manufacturing method and application of bamboo-wood composite plywood |
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| CN100542758C (en) | 2009-09-23 |
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