WO2021136522A1 - Matériau composite de bois de bambou résistant aux intempéries, à haute résistance et de grande largeur, et son procédé de fabrication - Google Patents

Matériau composite de bois de bambou résistant aux intempéries, à haute résistance et de grande largeur, et son procédé de fabrication Download PDF

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WO2021136522A1
WO2021136522A1 PCT/CN2020/142231 CN2020142231W WO2021136522A1 WO 2021136522 A1 WO2021136522 A1 WO 2021136522A1 CN 2020142231 W CN2020142231 W CN 2020142231W WO 2021136522 A1 WO2021136522 A1 WO 2021136522A1
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bamboo
wood
slab
bamboo curtain
treatment
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PCT/CN2020/142231
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English (en)
Chinese (zh)
Inventor
李贤军
薛志成
李霞镇
徐康
李婷
牟群英
郝晓峰
杨喜
Original Assignee
湖南桃花江竹材科技股份有限公司
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Publication of WO2021136522A1 publication Critical patent/WO2021136522A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining 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
    • B27D1/06—Manufacture of central layers; Form of central layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining 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
    • B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
    • B27J1/00—Mechanical working of cane or the like
    • B27J1/02—Braiding, e.g. basket-making
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/34—Organic impregnating agents
    • B27K3/38—Aromatic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/34—Organic impregnating agents
    • B27K3/50—Mixtures of different organic impregnating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/04—Combined bleaching or impregnating and drying of wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K2240/00—Purpose of the treatment
    • B27K2240/20—Removing fungi, molds or insects

Definitions

  • the invention belongs to the field of bamboo-wood composite material manufacturing in the wood industry, and relates to the manufacture of bamboo-wood composite recombined materials, in particular to a large-format high-strength weather-resistant bamboo-wood composite material and a manufacturing method thereof.
  • Recombinant bamboo composite materials have the advantages of high longitudinal strength, dimensional stability and good processing performance, so they have huge potential application prospects in the field of modern bamboo and wood structure construction.
  • they are restricted by factors such as bamboo unit size and billet assembly methods. Therefore, the length of the existing bamboo composite materials is generally less than 2m, which cannot be used in the manufacture of large-scale engineering materials and engineering components, which severely restricts the application and development of bamboo composite materials in the field of construction engineering.
  • the existing recombined materials are manufactured by bamboo bundles in the longitudinal assembly of billets, which leads to weak transverse bonding and insufficient mechanical strength, and it is prone to cracking defects when used outdoors.
  • bamboo is a natural biomass material rich in sugars such as starch, which is prone to rot and mildew during use, which seriously affects the service life of bamboo composite materials. Therefore, how to produce bamboo composite materials with large length, high transverse bonding force and strong corrosion resistance and weather resistance for the manufacture of large-scale engineering materials and engineering components is very important for expanding the application field of bamboo materials and increasing the added value of bamboo products. Significance.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a large-format, high-strength, weather-resistant bamboo-wood composite material that extends infinitely in the length direction, has large horizontal bonding force, and has strong mold and corrosion resistance. method.
  • the present invention adopts the following technical solutions:
  • a manufacturing method of large-format high-strength weather-resistant bamboo-wood composite material includes the following steps:
  • the treatment solution includes a phenolic resin adhesive and an anti-mildew and preservative.
  • the treatment solution contains phenolic resin.
  • the solid content of the resin adhesive is 20-30%;
  • the slab includes There are multiple bamboo curtain layers and multiple wood veneer layers. There are multiple bamboo curtain layers between adjacent wood veneer layers. Each bamboo curtain layer is formed by connecting multiple bamboo curtain units in sequence along the conveyor belt.
  • the wood veneer layer is formed by connecting multiple wood veneers in sequence along the conveyor belt; the fiber direction of the wood veneer inside the slab is perpendicular to the fiber direction of the bamboo curtain unit, and the adjacent bamboo curtain unit interfaces of the adjacent bamboo curtain layers are arranged in a staggered manner ;
  • the slab is sequentially hot-pressed and post-processed to obtain a large-format, high-strength and weather-resistant bamboo-wood composite material.
  • the mass ratio of the anti-mold and antiseptic agent to the treatment liquid is 0.001-0.05:1.
  • the anti-mold preservative includes the following components by weight: 15-25% of organosilicon quaternary ammonium salt, 25-35% of 3-iodo-2-propynyl-butylcarbamate, and 30-40% of propiconazole % And tebuconazole 5-20%.
  • the immersion treatment includes the following steps: first vacuumize the high-pressure immersion treatment tank to a vacuum of 0.02 ⁇ 0.09MPa, keep it for 5 ⁇ 10min, add the treatment liquid to completely soak the bamboo curtain unit and wood veneer, and press it to 0.4 ⁇ 1.0MPa, pressure is released after 10 ⁇ 20min, vacuum is again carried out to 0.02 ⁇ 0.08MPa, pressure is released after 5 ⁇ 10min, bamboo curtain unit and wood veneer are taken out.
  • the bamboo strips or bamboo bundles are woven into bamboo curtain units, the bamboo strips or bamboo bundles are stitched in parallel with a braided thread, the width of the bamboo curtain unit is equal to the length of the bamboo strips or bamboo bundles, and the width of the bamboo curtain unit
  • the length of the bamboo curtain unit is 1 to 3m, the length of the bamboo curtain unit is 1 to 3m; the distance between adjacent bamboo strips or bamboo bundles is not more than 2mm, and the distance between adjacent braided lines is 0.3 to 0.5m.
  • the preparation method of the bamboo strips includes: cutting the fresh moso bamboo into bamboo tubes with a length of 1 to 3 m, and then dividing the bamboo tube into bamboo strips with a thickness of 1 to 3 mm in the radial or chord direction;
  • the preparation method of the bamboo bundles includes: dividing the bamboo tube into bamboo slices with a width of 15-130mm in a radial direction, and then rolling the bamboo slices into loose bamboo bundles that are transversely and longitudinally penetrated.
  • the drying temperature is 50-60°C; the temperature of the equilibrium treatment is 25-32°C, the relative humidity is 60%-90%, the treatment time is 10-15 days, and the wind speed is 0.1-0.5 m/s.
  • the number of wood veneer layers of the slab does not exceed 40% of the total number of layers of the slab; the length of the slab is 4-15m and the width is 1-3m.
  • the temperature of the slab core layer is 130-155° C., and the hot pressing pressure is 3-10 MPa.
  • the temperature of the slab core layer reaches the set temperature, the temperature is maintained for 5-20 minutes.
  • the size of the bamboo bundle only needs to be evenly matched. It does not involve the selection process of bamboo chips, and the production efficiency is higher, and it is more suitable for large-scale production.
  • the distance between adjacent bamboo curtain unit interfaces of adjacent bamboo curtain layers of the slab is less than 30 cm.
  • the total number of layers of the slab is an odd number, which is the central layer of the wood veneer slab.
  • the bamboo curtain layer and the wood veneer layer are arranged symmetrically along the central layer;
  • the outer layer is wood veneer layer or bamboo curtain layer.
  • the number of layers of the bamboo curtain layer is an even number.
  • the post-treatment is a curing process and a machining process
  • the curing process specifically includes the following steps: densely stacking the slab after hot pressing in an indoor environment for 14-21 days;
  • the machining treatment is specifically: using machining equipment to trim, saw and sand the cured slab.
  • the present invention also provides a large-format high-strength weather-resistant bamboo-wood composite material prepared by the aforementioned preparation method, and the density of the large-format high-strength weather-resistant bamboo-wood composite material is 0.7-1.2 g/cm 3 , The length is 4 to 15m, and the width is 1 to 3m.
  • the method for manufacturing large-format, high-strength and weather-resistant bamboo-wood composite material of the present invention adopts the integrated production technology of dipping and weather-resistant processing when the bamboo and wood inside the slab are stacked in a crisscross pattern during continuous mating processing.
  • the treatment liquid includes phenolic resin adhesive and anti-mildew and anti-corrosive agent.
  • the anti-corrosion and anti-mildew treatment is completed while the dipping process is completed, which simplifies the production process and greatly improves the production efficiency, so that the manufactured bamboo-wood composite material has the weather resistance effect at the same time.
  • the transverse mechanical strength is greatly enhanced.
  • the continuous lengthening of the billet processing obtains the bamboo-wood composite material that meets the target length, width and thickness according to actual needs, breaking through the size and specification of the bamboo-wood composite material, and has a wide range of applications.
  • the large-format, high-strength, weather-resistant bamboo-wood composite material prepared by the present invention has the remarkable characteristics of large format size, strong lateral bonding force, high corrosion resistance and mildew resistance, and the density of the composite material is 0.7 ⁇ 1.2g/cm 3 , and the length is 4 ⁇ 15m, the width is 1 ⁇ 3m, the transverse tensile strength can be increased by 30 ⁇ 70%, the anti-mildew and corrosion resistance level reaches the highest level (mildew resistance level 0, corrosion resistance level 1), which can meet the requirements of large-scale engineering materials and engineering components The manufacturing requirements can be widely used in the field of modern bamboo and wood construction.
  • Figure 1 is a flow chart of the production process in the present invention.
  • Figure 2 is a schematic diagram of the weaving of bamboo curtain units in the present invention.
  • Fig. 3 is a schematic diagram of the blank assembly in the thickness direction of the slab according to the present invention.
  • the method for manufacturing a large-format, high-strength and weather-resistant bamboo-wood composite material of this embodiment specifically includes the following steps:
  • Preparation of bamboo strip unit cut the fresh bamboo into a bamboo tube with a length of 2m. After brushing and discharging the bamboo, the bamboo tube is processed into a bamboo tube with a length of 2m and a thickness of 2mm using a bamboo scatter machine and a radial slicing machine. Radial bamboo strips.
  • bamboo curtain unit weaving use a braiding machine to weave radial bamboo strips into bamboo curtains, as shown in Figure 2, the distance between adjacent bamboo strips is not more than 2mm, and the distance between adjacent sutures is 0.4m. A bamboo curtain unit with a length of 2m and a width of 2m is obtained.
  • the width of the bamboo curtain unit is equal to the length of the bamboo strip or bamboo bundle, the width of the bamboo curtain unit is 1 to 3 m, and the length of the bamboo curtain unit is 1 to 3 m; adjacent;
  • the distance between bamboo strips or bamboo bundles is not more than 2mm, and the distance between adjacent braided wires is 0.3-0.5m, both of which can achieve the same or similar technical effects.
  • High-pressure immersion treatment Put the dried bamboo curtain unit and poplar veneer in a high-pressure immersion treatment tank, and then evacuate to a vacuum of 0.06MPa (0.02 ⁇ 0.09MPa can be the same or similar Technical effect), keep for 7 minutes, then inject the mixed treatment liquid to make it completely soaked, and then pressurize to 0.6MPa (0.4 ⁇ 1.0MPa can achieve the same or similar technical effect); after maintaining the pressure for 12 minutes, release the pressure, and then perform post-vacuum treatment , The vacuum degree is 0.06MPa (0.02 ⁇ 0.09MPa can achieve the same or similar technical effect), keep the pressure for 6min and release the pressure, and finally take out the bamboo curtain unit and poplar veneer after the immersion treatment.
  • the mixed treatment solution used in this example is composed of a phenolic resin adhesive and a high-efficiency anti-mold preservative, wherein the solid content of the phenolic resin is 25%, and the mass ratio of the high-efficiency anti-mold preservative to the mixed treatment solution is 0.05:1.
  • silicone quaternary ammonium salt, 3-iodo-2-propynyl-butyl carbamate, propiconazole and tebuconazole accounted for 18% and 32% of the total mass of the anti-mildew and antiseptic respectively. , 35% and 15%.
  • the mass ratio of the high-efficiency anti-mold preservative to the treatment liquid is 0.001-0.05:1
  • the high-efficiency anti-mold preservative includes the following components by weight: 15-25% organosilicon quaternary ammonium salt, 3-iodine
  • a mesh belt type hot air dryer is used to dry the impregnated bamboo curtain unit and poplar veneer at a drying temperature of 50°C; after drying, balance In the room, the dipped bamboo curtain unit and poplar veneer are balanced.
  • the temperature of the balance room is controlled at 25°C, the relative humidity is controlled at 70%, and the balance is treated for 12 days.
  • the wind speed in the balance room is controlled at 0.3m/s to obtain a drying balance.
  • the treated impregnated bamboo curtain unit and poplar veneer is controlled at 0.3m/s to obtain a drying balance.
  • the number of slab layers is 15 layers); the number of slab layers follows the principle of odd-numbered layers and symmetrical grouping.
  • the center layer is poplar veneer layer, and the vertical bamboo curtain layer is placed on the outermost surface and bottom surface.
  • For every 3 layers of vertical bamboo curtain layer another 1 Layers of horizontal poplar wood veneer layers, forming a slab structure with bamboo vertical wood horizontal, upper and lower layers dislocation overlapped inside the slab, resulting in a slab tape with a width of 2m and an infinite extension in the length direction; and then along the slab tape Cut longitudinally in the longitudinal direction to obtain a slab with a length of 8 m and a width of 2 m.
  • Hot pressing process The slab is sent to the hot press through the conveyor belt together with the backing plate for hot pressing.
  • the temperature of the hot pressing core layer is controlled at 135°C
  • the hot pressing pressure is controlled at 4.7MPa
  • the hot pressing time The temperature of the core layer of the slab reaches the set temperature for another 15 minutes.
  • the temperature of the slab core layer is 130-155°C
  • the hot pressing pressure is 3-10 MPa
  • the same or similar technical effects can be obtained when the temperature of the slab core layer reaches the set temperature for 5-20 minutes.
  • Curing treatment stacking the formed slabs after hot pressing.
  • the upper and lower formed slabs are separated by spacers with a thickness of 25mm and a width of 35mm, and the slabs are formed in the same layer. Close to each other, the gap between the same layer of spacers is 40cm; the formed slab is placed in the balance warehouse for curing treatment, and the curing time is 15 days.
  • the large-format high-strength weather-resistant bamboo-wood composite material produced in this embodiment has a length of 8 m, a width of 2 m, and an actual density of 0.83 g/cm 3 .
  • its transverse tensile strength has been increased by 32%, and the anti-mildew and corrosion resistance level has reached the highest level (mildew resistance level 0, corrosion resistance level I), and the bamboo wood has been significantly improved.
  • the shortcomings of composite materials such as small size, weak transverse strength, and poor weather resistance and durability can meet the needs of large-scale bamboo and wood construction materials.
  • the method for manufacturing a large-format, high-strength and weather-resistant bamboo-wood composite material of this embodiment specifically includes the following steps:
  • bamboo curtain unit weaving use a weaving machine to weave bamboo bundles into bamboo curtains, the distance between adjacent bamboo bundles is not more than 2mm, and the distance between adjacent sutures is 0.3m, resulting in a length of 2m and a width of 1.5 m bamboo curtain unit.
  • the size of the bamboo bundle only needs to be evenly matched, and the selection process of bamboo chips is not involved.
  • the production efficiency is higher and it is more suitable for large-scale production.
  • High-pressure immersion treatment Put the dried bamboo curtain unit and eucalyptus veneer in a high-pressure immersion treatment tank, and then evacuate to a vacuum of 0.07MPa, keep it for 8 minutes, and then inject the mixed treatment liquid to make it Completely soak, and then pressurize to 0.7MPa; hold the pressure for 15 minutes and then release the pressure, and then perform post-vacuum treatment, the vacuum degree is 0.07MPa, hold for 8 minutes and then release the pressure, and finally take out the bamboo curtain unit and the wood veneer after the immersion treatment .
  • the mixed treatment liquid used in this example is composed of a phenolic resin adhesive and a high-efficiency anti-mold preservative, wherein the solid content of the phenolic resin adhesive is 28%, and the mass ratio of the high-efficiency anti-mold preservative to the mixed treatment liquid is 0.04:1.
  • silicone quaternary ammonium salt, 3-iodo-2-propynyl-butyl carbamate, propiconazole and tebuconazole respectively account for 20% and 30% of the total mass of anti-mildew and preservatives. , 38% and 12%.
  • a mesh belt hot air dryer is used to dry the impregnated bamboo curtain and eucalyptus veneer at a drying temperature of 60°C; after drying, in the balance room Balancing the dipped bamboo curtain and poplar veneer, the temperature of the balance room is controlled at 28°C, the relative humidity is controlled at 75%, the balance treatment is 13d, and the wind speed in the balance room is controlled at 0.4m/s, after drying and balance treatment
  • the impregnated bamboo curtain unit and eucalyptus veneer is controlled to dry the impregnated bamboo curtain and eucalyptus veneer at a drying temperature of 60°C; after drying, in the balance room Balancing the dipped bamboo curtain and poplar veneer, the temperature of the balance room is controlled at 28°C, the relative humidity is controlled at 75%, the balance treatment is 13d, and the wind speed in the balance room is controlled at 0.4m/s, after drying and balance treatment The impregnated bamboo curtain unit and eucalyptus veneer.
  • the other layers of bamboo curtain layers and eucalyptus veneer layers inside the slab follow the principle of wood horizontal and bamboo vertical stacking.
  • another horizontal eucalyptus veneer layer is placed to form a slab structure with bamboo vertical wood horizontal and upper and lower layers dislocation overlapped inside the slab.
  • Hot pressing process The slab is sent to the hot press through the conveyor belt together with the backing plate for hot pressing.
  • the temperature of the hot pressing core layer is controlled at 140°C
  • the hot pressing pressure is controlled at 5.5MPa
  • the hot pressing time After the core layer temperature of the slab reaches the set temperature, it is maintained for 18 minutes.
  • Curing treatment stacking the formed slabs after hot pressing.
  • the upper and lower formed slabs are separated by spacers with a thickness of 25mm and a width of 35mm, and the slabs are formed in the same layer. Close to each other, the gap between the spacers of the same layer is 40cm; the formed slab is placed in the balance warehouse for curing treatment, and the curing time is 12 days.
  • the large-format high-strength weather-resistant bamboo-wood composite material produced in this embodiment has a length of 12 m, a width of 2 m, and an actual density of 1.12 g/cm 3 .
  • its transverse tensile strength has increased by 45%, and the anti-mildew and corrosion resistance level has reached the highest level (mildew resistance level 0, decay resistance level I), and the bamboo wood is significantly improved.
  • the shortcomings of composite materials such as small size, weak transverse strength, and poor weather resistance and durability can meet the needs of large-scale bamboo and wood construction materials.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Forests & Forestry (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

Un procédé de fabrication de matériau composite de bois de bambou résistant aux intempéries, à haute résistance et de grande largeur est divulgué, le procédé comprenant les étapes suivantes : le placement d'unités de rideau de bambou séché et de placages de bois séché dans un réservoir de traitement d'imprégnation haute pression ; l'ajout d'un liquide de traitement pour le traitement d'imprégnation, le liquide de traitement comprenant un adhésif phénolique et un conservateur anti-mildiou ; le séchage et l'équilibrage des unités de rideau de bambou imprégnées et des placages de bois imprégnés, puis le placement de ceux-ci sur une bande transporteuse pour un raccordement continu en longueur et un traitement d'assemblage d'ébauche pour obtenir une structure intérieure d'une ébauche de plaque ayant du bambou disposé longitudinalement et du bois disposé transversalement et ayant une couche supérieure et une couche inférieure qui sont décalées d'une manière superposée, et la réalisation d'une découpe lorsqu'une épaisseur prédéfinie et une longueur prédéfinie sont atteintes de façon à obtenir des ébauches de plaque ; et la réalisation séquentielle d'un moulage par pressage à chaud et d'un post-traitement sur les ébauches de plaque pour obtenir le matériau composite de bois de bambou résistant aux intempéries, à haute résistance et de grande largeur. Le matériau composite de bois de bambou fabriqué au moyen de ce procédé peut être épissé sans limite dans le sens de la longueur, et présente une grande force de liaison transversale et une grande capacité de résistance au mildiou et à la corrosion.
PCT/CN2020/142231 2020-01-03 2020-12-31 Matériau composite de bois de bambou résistant aux intempéries, à haute résistance et de grande largeur, et son procédé de fabrication WO2021136522A1 (fr)

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CN111037674B (zh) * 2020-01-03 2021-03-23 湖南桃花江竹材科技股份有限公司 一种大幅面高强耐候竹木复合材及其制造方法
CN114055587B (zh) * 2021-11-01 2023-06-30 中南林业科技大学 一种大尺度竹质集成工程材及其制造方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06170812A (ja) * 1992-06-25 1994-06-21 Hideki Shimizu 竹材を必要な板厚の合板に加工する為の製法
CN1418767A (zh) * 2002-12-19 2003-05-21 南京林业大学 大幅面竹单板贴面装饰材料及其制造方法
CN102909762A (zh) * 2012-10-19 2013-02-06 茂友木材股份有限公司 一种竹木复合板的生产方法
CN103600379A (zh) * 2013-10-11 2014-02-26 宜兴市一洲木业有限公司 一种osb4—竹木复合集装箱底板用覆膜胶合板及其制作方法
CN105196368A (zh) * 2015-08-28 2015-12-30 国家林业局竹子研究开发中心 一种竹木复合层积材制造方法
CN110497484A (zh) * 2019-09-02 2019-11-26 湖南桃花江竹材科技股份有限公司 一种高强耐候竹质复合材料及其制造方法
CN111037674A (zh) * 2020-01-03 2020-04-21 湖南桃花江竹材科技股份有限公司 一种大幅面高强耐候竹木复合材及其制造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09327803A (ja) * 1996-06-07 1997-12-22 Aica Kogyo Co Ltd 木質エクステリア材
CN101891047B (zh) * 2009-05-20 2013-04-03 胜狮货柜管理(上海)有限公司 一种竹集成材地板的制造方法
CN102179849B (zh) * 2011-04-19 2014-09-03 广东盈然木业有限公司 一种杨木改性剂及应用其进行杨木改性的方法及一种改性杨木
CN103737676B (zh) * 2013-12-30 2015-08-12 福建农林大学 一种环保型竹木复合板材及其制造方法
CN106240093A (zh) * 2016-07-27 2016-12-21 常熟市嘉淀纺织有限公司 一种装饰用阻燃吸音板
CN106827109B (zh) * 2016-12-28 2020-07-07 中国林业科学研究院木材工业研究所 一种胶合板及其制备方法
CN109465942B (zh) * 2018-10-19 2022-06-07 湖南桃花江竹材科技股份有限公司 三维立体表面高强竹质复合材及其制造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06170812A (ja) * 1992-06-25 1994-06-21 Hideki Shimizu 竹材を必要な板厚の合板に加工する為の製法
CN1418767A (zh) * 2002-12-19 2003-05-21 南京林业大学 大幅面竹单板贴面装饰材料及其制造方法
CN102909762A (zh) * 2012-10-19 2013-02-06 茂友木材股份有限公司 一种竹木复合板的生产方法
CN103600379A (zh) * 2013-10-11 2014-02-26 宜兴市一洲木业有限公司 一种osb4—竹木复合集装箱底板用覆膜胶合板及其制作方法
CN105196368A (zh) * 2015-08-28 2015-12-30 国家林业局竹子研究开发中心 一种竹木复合层积材制造方法
CN110497484A (zh) * 2019-09-02 2019-11-26 湖南桃花江竹材科技股份有限公司 一种高强耐候竹质复合材料及其制造方法
CN111037674A (zh) * 2020-01-03 2020-04-21 湖南桃花江竹材科技股份有限公司 一种大幅面高强耐候竹木复合材及其制造方法

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