WO2019000395A1 - Reconstituted bamboo timber - Google Patents

Reconstituted bamboo timber Download PDF

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Publication number
WO2019000395A1
WO2019000395A1 PCT/CN2017/091100 CN2017091100W WO2019000395A1 WO 2019000395 A1 WO2019000395 A1 WO 2019000395A1 CN 2017091100 W CN2017091100 W CN 2017091100W WO 2019000395 A1 WO2019000395 A1 WO 2019000395A1
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WO
WIPO (PCT)
Prior art keywords
bamboo
medium oil
oil
layer
oil layer
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PCT/CN2017/091100
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French (fr)
Chinese (zh)
Inventor
宋剑刚
刘福清
孙芳利
张晓春
Original Assignee
浙江永裕竹业股份有限公司
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Application filed by 浙江永裕竹业股份有限公司 filed Critical 浙江永裕竹业股份有限公司
Priority to EP17751227.4A priority Critical patent/EP3456497A4/en
Priority to PCT/CN2017/091100 priority patent/WO2019000395A1/en
Publication of WO2019000395A1 publication Critical patent/WO2019000395A1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27KPROCESSES, 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
    • B27K9/00Chemical or physical treatment of reed, straw, or similar material
    • B27K9/002Cane, bamboo
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/10Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/102Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of fibrous or chipped materials, e.g. bonded with synthetic resins

Abstract

Disclosed is a reconstituted bamboo timber (100) prepared by laminating single bamboo bodies with an adhesive, wherein the single bamboo bodies form single bamboo body oil storage spaces (200), at least some of the adhesive forms adhesive oil storage spaces (300), and a medium oil penetrates and is stored in at least some of the single bamboo body oil storage spaces and the adhesive oil storage spaces. The reconstituted bamboo timber has the feature of high adhesion strength.

Description

一种竹重组材  Bamboo recombinant material
技术领域  Technical field
[0001] 本申请涉及重组材, 具体设有一种竹质的重组材结构。  [0001] The present application relates to a recombinant material, and specifically comprises a bamboo composite material structure.
背景技术  Background technique
[0002] 重组竹又称重竹, 是一种将竹材重新组织并加以强化成型的一种竹质新材料, 通过将竹材加工成长条状竹片材、 竹丝或碾碎成竹丝束, 经干燥或炭化处理后 浸渍胶黏剂、 并铺放在模具中, 经高温高压 (或常压) 热固化而成的一种型材 。 为了提高重组竹的稳定性以适应户外环境, 通常需要对竹片材或竹丝进行炭 化处理, 而普遍适用于木材的炭化处理方式一窑式或罐式炭化一难适用于 竹片材, 特别是竹丝。 竹片材和竹丝的体积小、 质量轻, 而窑式和罐式炭化均 以循环热风为加热介质, 竹片材和竹丝难易固定、 因而加工难度大; 且, 窑式 和罐式炭化以水蒸气为保护介质, 极大的降低竹片材和竹丝的质量及力学强度 , 引起大量的材料断裂、 破损, 因而出材率低。  [0002] Reorganized bamboo, also known as heavy bamboo, is a new bamboo material that reorganizes and reinforces bamboo. By processing bamboo into strips of bamboo, bamboo or crushed into bamboo tow, After drying or carbonization, the adhesive is impregnated and placed in a mold, and is cured by high temperature and high pressure (or atmospheric pressure). In order to improve the stability of the reconstituted bamboo to adapt to the outdoor environment, it is usually necessary to carbonize the bamboo sheet or bamboo filament, and it is generally suitable for the carbonization treatment of wood. A kiln type or tank type carbonization is difficult to apply to bamboo sheets, especially It is bamboo silk. Bamboo sheets and bamboo filaments are small in size and light in weight, while kiln type and tank type carbonization use circulating hot air as heating medium, and bamboo sheets and bamboo filaments are difficult to fix, so processing is difficult; and, kiln type and tank type Carbonization uses water vapor as a protective medium, which greatly reduces the quality and mechanical strength of bamboo sheets and bamboo filaments, causing a large amount of material to break and break, and thus the yield is low.
[0003] 为解决上述问题, 从而提供一种适宜于片材的热处理工艺, 中国专利 20141024 6548.4公幵了一种木材、 竹材改性处理方法及改性木材、 竹材和地板, 其通过 ( 1) 将木、 竹的片材置于高温介质油中, 以高温介质油为加热介质进行炭化处理 ; (2) 以热压、 萃取等方式完成表面脱油处理; (3) 施胶后高温高压 (或常 压) 热固化形成一种改性的竹或木重组材料。  [0003] In order to solve the above problems, thereby providing a heat treatment process suitable for a sheet, Chinese Patent No. 20141024 6548.4 discloses a wood, bamboo modification treatment method and modified wood, bamboo and flooring, which pass (1) The wood and bamboo sheets are placed in a high temperature medium oil, and the high temperature medium oil is used as a heating medium for carbonization; (2) surface deoiling treatment is performed by hot pressing, extraction, etc.; (3) high temperature and high pressure after sizing ( Or atmospheric pressure) heat curing to form a modified bamboo or wood recombinant material.
技术问题  technical problem
然而上述方案存在不足之处, 以片材的形式进行高温介质油的炭化处理, 处理 后片材表面附有介质油, 而热压和萃取这种由内向外的提取方式无法完全清洁 片材表面的附油, 影响片材表面的胶黏性, 成为胶钉形成的阻碍, 使得胶黏剂 难易在改性的片材表面形成结合力, 从而制得的地板或型材的胶合强度差。 另 一个方面, 改性后的竹、 木片材与胶黏剂搅拌压合成型, 竹、 木片材纤维通道 、 毛细管道等水分通道中渗透并存储有的介质油会逐渐向胶黏剂与片材的胶黏 界面渗透, 破坏界面从而引发脱胶, 进一步降低了产品的胶合强度。 问题的解决方案 However, the above scheme has disadvantages in that the carbonization treatment of the high temperature medium oil is carried out in the form of a sheet, and the surface of the sheet is treated with the medium oil, and the heat extraction and extraction from the inside to the outside cannot completely clean the surface of the sheet. The oil attached affects the adhesiveness of the surface of the sheet and becomes a hindrance to the formation of the nail, making it difficult for the adhesive to form a bonding force on the surface of the modified sheet, thereby making the resulting joint or profile have poor bonding strength. On the other hand, the modified bamboo, wood sheet and adhesive are stirred and synthesized, and the medium oil penetrated and stored in the water passages such as bamboo, wood sheet fiber passages and capillary channels will gradually become adhesive to the adhesive. The adhesive interface of the sheet penetrates, destroying the interface and causing degumming, further reducing the bonding strength of the product. Problem solution
技术解决方案  Technical solution
[0005] 本发明的目的是提供一种胶合强度好的竹重组材。  [0005] An object of the present invention is to provide a bamboo composite material having good bonding strength.
[0006] 本发明的上述技术目的是通过以下技术方案得以实现的: 一种竹重组材, 由将 竹单体和胶黏剂压合制成, 所述竹单体形成竹单体储油空间, 至少部分所述胶 黏剂形成胶储油空间, 至少部分所述竹单体储油空间和所述胶储油空间中渗透 且存储有介质油。  [0006] The above technical object of the present invention is achieved by the following technical solutions: A bamboo composite material is prepared by pressing a bamboo monomer and an adhesive, and the bamboo monomer forms a bamboo single oil storage space. At least a portion of the adhesive forms a glue storage space, and at least a portion of the bamboo monomer storage space and the glue storage space penetrate and store medium oil.
[0007] 在本技术方案中, 所述的竹单体包括竹片材、 竹丝或竹纤维束的一种或多种。  [0007] In the present technical solution, the bamboo monomer comprises one or more of a bamboo sheet, a bamboo filament or a bamboo fiber bundle.
竹重组材是由上述的竹单体中的一种或多种混合的材料、 经拌胶压合后形成的 , 因而, 竹重组材内部形成至少两种介质油可渗透进而进入的空间, 其一为竹 单体的纤维通道、 毛细管道等水分通道, 其二是胶黏剂的分子间隙。 当竹单体 与胶黏剂混合压制固化后形成坯料, 将该坯料静置于高温介质油中, 随着静置 处理的进行, 高温的介质油同吋进入竹单体储油空间和胶储油空间中: (1) 在 竹单体的纤维通道、 毛细管道等水分通道内的负压作用下, 被虹吸吸入水分通 道内, 并随着介质油的冷却降温, 在水分通道内被存储和固定; (2) 高温的介 质油渗透进入固化的胶黏剂, 并随着介质油的冷却降温, 在胶黏剂中内存储和 固定; (3) 进一步的, 胶黏剂通过渗透进入竹单体表面的孔隙中形成胶钉而形 成具有强度的胶黏界面, 在成型的胶黏界面 (竹单体的孔隙、 和填充该孔隙的 胶黏剂) 渗透和存储有介质油。 竹单体、 胶黏剂、 胶黏界面三者间通过均一的 介质油得到了进一步的结合, 提高了胶合强度。 进一步的, 相邻的竹单体、 胶 黏剂、 胶黏界面三者间的介质油在高温条件下同吋完成渗透、 并在冷却降温过 程中同吋完成存储和固定, 竹单体、 胶黏剂和胶黏界面三者均达到饱和介质油 或稳定的介质油含量的状态, 由此, 型材在制得后任一者均无向相邻的其他二 者产生介质油的相互渗透; 避免了型材在制得后, 常温条件下竹单体中的介质 油向胶黏界面渗透, 这一指向胶黏界面的渗透过程将引发脱胶 (由于在常温下 , 介质油几乎不会进一步渗透向胶黏剂中, 渗透停止在胶黏界面上) 。  The bamboo reconstituted material is formed by mixing one or more of the above-mentioned bamboo monomers and being pressed by a mix of rubber, so that at least two medium oils are formed inside the bamboo reconstituted material to penetrate and enter the space. One is the fiber channel of the bamboo monomer, the capillary channel and other water channels, and the other is the molecular gap of the adhesive. When the bamboo monomer and the adhesive are mixed and pressed to form a blank, the blank is statically placed in the high temperature medium oil, and as the static treatment proceeds, the high temperature medium oil enters the bamboo monomer storage space and the plastic storage. In the oil space: (1) Under the negative pressure in the water passage of the bamboo monomer, such as the fiber channel and the capillary channel, it is siphoned into the water channel, and is stored in the water channel as the medium oil cools down. (2) The high temperature medium oil penetrates into the cured adhesive and is stored and fixed in the adhesive as the medium oil cools down; (3) Further, the adhesive enters the bamboo slip through penetration A glue nail is formed in the pores of the body surface to form a cement interface having strength, and the medium oil is infiltrated and stored at the molded adhesive interface (the pores of the bamboo monomer, and the adhesive filling the pores). The bamboo monomer, the adhesive and the adhesive interface are further combined by a uniform medium oil to improve the bonding strength. Further, the medium oil between the adjacent bamboo monomer, the adhesive and the adhesive interface is infiltrated at the same time under high temperature conditions, and is simultaneously stored and fixed in the process of cooling and cooling, bamboo monomer and glue. The adhesive and the adhesive interface all reach the state of saturated medium oil or stable medium oil content, and thus, the profiles are not mutually permeable to the adjacent two of the other materials after the preparation; After the profile is prepared, the medium oil in the bamboo monomer penetrates into the adhesive interface under normal temperature conditions, and the penetration process to the adhesive interface will initiate degumming (due to the fact that the medium oil hardly penetrates further into the adhesive at normal temperature) In the agent, the permeation stops at the adhesive interface).
[0008] 在本技术方案中, 由于重组后的竹重组材以型材的形式置于高温介质油中油浴 , 因而在整个型材的厚度断面上, 介质油在胶黏剂中的分布是不均匀的。 在一 些实施方式中, 整个竹重组材的厚度断面上均渗透和填充有介质油, 此吋, 全 部的竹单体储油空间和胶储油空间中渗透且存储有介质油; 在另一些实施方式 中, 竹重组材的厚度断面上, 靠近表面和底面的层上渗透和填充有介质油, 此 吋, 仅部分的竹单体储油空间和胶储油空间中渗透且存储有介质油。 [0008] In the technical solution, since the reconstituted bamboo reconstituted material is placed in the oil bath of the high temperature medium oil in the form of a profile, the distribution of the medium oil in the adhesive is uneven in the thickness section of the entire profile. . In a In some embodiments, the entire bamboo reconstituted material is permeated and filled with a medium oil in a thickness section, and then, all of the bamboo monomer storage space and the gel storage space penetrate and store the medium oil; in other embodiments In the thickness section of the bamboo composite material, the layer near the surface and the bottom surface is permeated and filled with the medium oil, and then only a part of the bamboo monomer storage space and the glue storage space penetrate and the medium oil is stored.
[0009] 作为优选, 所述竹单体储油空间和所述胶储油空间之间的空隙中渗透且存储有 所述介质油。  Preferably, the medium oil is permeated and stored in a gap between the bamboo monomer oil storage space and the rubber storage space.
[0010] 在其他的实施方式中, 当竹重组材的竹胶比较大吋 (采用较小的施胶量) , 竹 单体与胶黏剂之间可能存在沿竹单体纤维方向、 不规则的空隙, 在本技术方案 中, 该孔隙中同样填充有介质油。 由此, 填充于空隙中的介质油作为竹单体与 胶黏剂之间的替代介质, 替代胶黏剂填充缺胶引起的空隙, 进而可在较低的含 胶量的情况下, 提高材料的力学强度。  [0010] In other embodiments, when the bamboo gum of the bamboo composite material is relatively large (using a smaller amount of sizing), there may be a direction along the bamboo monomer fiber between the bamboo monomer and the adhesive. In the present solution, the pores are also filled with a medium oil. Therefore, the medium oil filled in the void acts as an alternative medium between the bamboo monomer and the adhesive, and replaces the adhesive to fill the void caused by the lack of glue, thereby improving the material at a lower gel content. The mechanical strength.
[0011] 作为优选, 单位所述胶储油空间中含有的所述介质油的质量与含有的所述胶黏 剂的质量之比为 2~10%。  [0011] Preferably, the ratio of the mass of the medium oil contained in the unit of the gel reservoir space to the mass of the binder contained is 2 to 10%.
[0012] 作为优选, 所述介质油在所述竹重组材中形成第一介质油层和位于表层的第二 介质油层, 所述第二介质油层包裹所述第一介质油层, 且所述第一介质油层和 所述第二介质油层之间形成不规则边界。  [0012] Preferably, the medium oil forms a first medium oil layer and a second medium oil layer located on the surface layer in the bamboo reconstituted material, the second medium oil layer wraps the first medium oil layer, and the first An irregular boundary is formed between the dielectric oil layer and the second dielectric oil layer.
[0013] 作为优选, 将所述竹重组材置于第一温度下的介质油中渗透浸渍形成第一介质 油层, 随后将包括所述第一介质油层的所述竹重组材置于第二温度下的介质油 中渗透浸渍形成第二介质油层; 所述第一温度为 130~300°C, 所述第二温度为 10 ~35°C, 所述竹重组材在浸渍所述介质油之前的含水率为 10~30%。  [0013] Preferably, the bamboo reconstituted material is immersed in a medium oil at a first temperature to form a first medium oil layer, and then the bamboo reconstituted material including the first medium oil layer is placed at a second temperature. The second medium oil layer is formed by permeation and impregnation in the lower medium oil; the first temperature is 130-300 ° C, and the second temperature is 10-35 ° C, and the bamboo reconstituted material is before impregnating the medium oil The water content is 10~30%.
[0014] 作为上述技术方案的进一步优选, 所述第一介质油层由在第一温度下的介质油 浸渍形成, 所述第二介质油层由在第二温度下的介质油浸渍形成; 所述第一温 度为 130~220°C, 所述第二温度为 10~35°C, 所述竹重组材在浸渍所述介质油之 前的含水率为 10~20%。  [0014] Further preferably, the first medium oil layer is formed by impregnation of a medium oil at a first temperature, and the second medium oil layer is formed by impregnation of a medium oil at a second temperature; A temperature is 130 to 220 ° C, and the second temperature is 10 to 35 ° C. The moisture content of the bamboo composite material before impregnation of the medium oil is 10 to 20%.
[0015] 作为优选, 所述介质油在所述竹重组材中形成分层的第一介质油层和位于表层 的第二介质油层, 所述第二介质油层包裹所述第一介质油层, 且所述第一介质 油层和所述第二介质油层之间形成有第三介质油层, 所述第三介质油层的含油 量小于所述第一介质油层和所述第二介质油层。 [0016] 作为上述技术方案的进一步优选, 所述第一介质油层通过在第一温度下的介质 油浸渍形成, 所述第二介质油层通过在第二温度下的介质油浸渍形成; 所述第 一温度为 220~300°C, 所述第二温度为 10~25°C; 所述竹重组材在浸渍所述介质 油之前的含水率为 15~30%, 所述第一介质油的浸渍处理和所述第二介质油的浸 渍处理之间的吋间间隔为 3~10min。 [0015] Preferably, the medium oil forms a layered first medium oil layer in the bamboo reconstituted material and a second medium oil layer in the surface layer, the second medium oil layer encapsulating the first medium oil layer, and A third medium oil layer is formed between the first medium oil layer and the second medium oil layer, and the third medium oil layer has an oil content smaller than the first medium oil layer and the second medium oil layer. [0016] Further preferably, the first medium oil layer is formed by impregnation of a medium oil at a first temperature, and the second medium oil layer is formed by impregnation of a medium oil at a second temperature; a temperature of 220 to 300 ° C, the second temperature is 10 to 25 ° C; the bamboo material has a water content of 15 to 30% before the medium oil is impregnated, and the first medium oil is impregnated. The inter-turn interval between the treatment and the immersion treatment of the second medium oil is 3 to 10 min.
[0017] 作为优选, 所述第一介质油层的含油量为 4~10%, 所述第二介质油层的含油量 为 2~8<¾。  [0017] Preferably, the first medium oil layer has an oil content of 4 to 10%, and the second medium oil layer has an oil content of 2 to 8 < 3⁄4.
[0018] 作为优选, 所述第一介质油层在纵剖面上的厚度为 3~10mm、 在横剖面上的厚 度为 5~20mm, 所述第二介质油层在纵剖面上的厚度为 l~5mm、 在横剖面上的厚 度为 3~5mm°  [0018] Preferably, the first dielectric oil layer has a thickness of 3 to 10 mm in a longitudinal section, a thickness of 5 to 20 mm in a cross section, and a thickness of the second dielectric oil layer in a longitudinal section of 1 to 5 mm. The thickness on the cross section is 3~5mm°
[0019] 作为优选, 所述竹重组材在浸渍所述介质油之后的含水率为 1~5%; 所述竹重 组材包括防霉方变色性能 (霉菌和变色菌) 为 0、 吸水厚度膨胀率为 2~7%、 吸水 宽度膨胀率 1~3%、 水平剪切强度≥12MPa的性能参数中的一项或多项。 [0019] Preferably, the bamboo recombinant material has a water content of 1 to 5% after impregnation of the medium oil; and the bamboo recombinant material includes a mold-proof color-changing property (mold and color-changing bacteria) of 0, and the water absorption thickness is expanded. The rate is one or more of the performance parameters of 2 to 7%, the water absorption width expansion ratio of 1 to 3 %, and the horizontal shear strength of ≥ 12 MPa.
[0020] 作为优选, 所述介质油包括矿物质油、 植物油、 烷基联苯型导热油、 烷基联苯 醚型导热油、 联苯和联苯醚低熔混合物型导热油、 烷基萘型导热油中的一种或 多种。  [0020] Preferably, the medium oil comprises mineral oil, vegetable oil, alkyl biphenyl type heat transfer oil, alkyl diphenyl ether type heat transfer oil, biphenyl and diphenyl ether low melt mixture type heat transfer oil, alkyl naphthalene One or more of the type of heat transfer oil.
发明的有益效果  Advantageous effects of the invention
有益效果  Beneficial effect
[0021] 竹单体、 胶黏剂、 胶黏界面三者间通过均一的介质油得到了进一步的结合, 提 高了胶合强度。 进一步的, 相邻的竹单体、 胶黏剂、 胶黏界面三者间的介质油 在高温条件下同吋完成渗透、 并在冷却降温过程中同吋完成存储和固定, 竹单 体、 胶黏剂和胶黏界面三者均达到饱和介质油或稳定的介质油含量的状态, 由 此, 型材在制得后任一者均无向相邻的其他二者产生介质油的相互渗透; 避免 了型材在制得后, 常温条件下竹单体中的介质油向胶黏界面渗透, 这一指向胶 黏界面的渗透过程将引发脱胶 (由于在常温下, 介质油几乎不会进一步渗透向 胶黏剂中, 渗透停止在胶黏界面上) 。 综上所述, 本技术方案的一种竹重组材 具有胶合强度高的特点。  [0021] The bamboo monomer, the adhesive, and the adhesive interface are further combined by a uniform medium oil to improve the bonding strength. Further, the medium oil between the adjacent bamboo monomer, the adhesive and the adhesive interface is infiltrated at the same time under high temperature conditions, and is simultaneously stored and fixed in the process of cooling and cooling, bamboo monomer and glue. The adhesive and the adhesive interface all reach the state of saturated medium oil or stable medium oil content, and thus, the profiles are not mutually permeable to the adjacent two of the other materials after the preparation; After the profile is prepared, the medium oil in the bamboo monomer penetrates into the adhesive interface under normal temperature conditions, and the penetration process to the adhesive interface will initiate degumming (due to the fact that the medium oil hardly penetrates further into the adhesive at normal temperature) In the agent, the permeation stops at the adhesive interface). In summary, the bamboo recombinant material of the technical solution has the characteristics of high bonding strength.
对附图的简要说明 附图说明 Brief description of the drawing DRAWINGS
[0022] 图 1是本发明实施例 1-3的竹重组材的纵剖面的一种示意图;  1 is a schematic view showing a longitudinal section of a bamboo composite material according to Examples 1-3 of the present invention;
[0023] 图 2是本发明实施例 1-3的竹重组材的横剖面的一种示意图; 2 is a schematic view showing a cross section of a bamboo composite material according to Examples 1-3 of the present invention;
[0024] 图 3是本发明实施例 4-5的竹重组材的纵剖面的另一种示意图; 3 is another schematic view showing a longitudinal section of a bamboo composite material according to Embodiment 4-5 of the present invention;
[0025] 图 4是本发明实施例 4-5的竹重组材的横剖面的另一种示意图; 4 is another schematic view showing a cross section of a bamboo recombinant material according to Embodiment 4-5 of the present invention;
[0026] 图 5是本发明实施例 1-5的竹重组材的性能参数对照表; 5 is a comparison table of performance parameters of bamboo recombinant materials according to Examples 1-5 of the present invention;
[0027] 图中, 100-竹重组材, 101-第一介质油层, 102-第二介质油层, 103-第三介质 油层, 200-竹单体储油空间, 300-胶储油空间。  [0027] In the figure, 100-bamboo reconstituted material, 101-first medium oil layer, 102-second medium oil layer, 103-third medium oil layer, 200-bamboo monomer oil storage space, 300-gel oil storage space.
实施该发明的最佳实施例  BEST MODE FOR CARRYING OUT THE INVENTION
本发明的最佳实施方式  BEST MODE FOR CARRYING OUT THE INVENTION
[0028] 如图 1和 2所示, 实施例 1-3的一种竹重组材, 首先由干燥竹丝和酚醛树脂胶黏 剂经冷压、 热固得到含水率为 10~20%的竹重组材初级材; 随后将该初级材静置 于具有第一温度的介质油中得到具有第一介质油层的次级材, 其中该第一温度 为 130~220°C; 最后将该次级材静置于具有第二温度的介质油中得到包括第一介 质油层和包裹该第一介质油层的第二介质油层的竹重组材, 其中该第二温度为 1 0~35°C, 其中第二介质油层位于表层。 本领域普通技术人员可知, 通过对竹重 组材初级材进行干燥处理, 可得到适宜的含水率; 通过采用适宜的该含水率和 适宜的静置吋间, 可得到本技术方案所限定的适宜的第一介质油层和第二介质 油层的含油量、 厚度、 以及胶储油空间中的含油量 (胶储油空间中含有的介质 油的质量与含有的胶黏剂的质量之比) 。  [0028] As shown in FIGS. 1 and 2, a bamboo reconstituted material of Examples 1-3 is firstly dried by bamboo fiber and phenolic resin adhesive by cold pressing and thermosetting to obtain bamboo having a water content of 10 to 20%. a primary material of the reconstituted material; the primary material is then statically placed in a medium oil having a first temperature to obtain a secondary material having a first dielectric oil layer, wherein the first temperature is 130 to 220 ° C; Statically placed in a medium oil having a second temperature to obtain a bamboo reconstituted material comprising a first dielectric oil layer and a second dielectric oil layer encasing the first dielectric oil layer, wherein the second temperature is 10 to 35 ° C, wherein the second The medium oil layer is located on the surface layer. It will be apparent to those skilled in the art that a suitable moisture content can be obtained by drying the bamboo composite material primary material; by using the appropriate moisture content and a suitable standing day, the suitable solution defined by the present technical solution can be obtained. The oil content and thickness of the first medium oil layer and the second medium oil layer, and the oil content in the rubber storage space (the ratio of the mass of the medium oil contained in the glue storage space to the mass of the adhesive contained).
[0029] 实施例 1 : 选用规格为 1920*200*24mm的竹重组材初级材, 选用矿物质油作为 介质油, 竹重组材初级材的含水率为 10~16%, 第一温度为 135±5°C, 第二温度为 10~20°C (冬季室温) ; 第一介质油层在纵剖面上的厚度为 3~6mm、 在横剖面上 的厚度为 5~10mm, 第二介质油层在纵剖面上的厚度为 l~3mm、 在横剖面上的厚 度约为 3mm; 第一介质油层中的平均含油量为 6~10%, 第二介质油层中的平均含 油量为 4~8%; 第一介质油层中的胶储油空间中的含油量为 5~7%, 第二介质油层 中的胶储油空间中的含油量为 3~6%。 本发明的实施方式 [0029] Example 1: The bamboo composite material primary material with the specification of 1920*200*24mm is selected, and the mineral oil is selected as the medium oil, and the moisture content of the bamboo composite material primary material is 10-16%, and the first temperature is 135± 5 ° C, the second temperature is 10 ~ 20 ° C (room temperature in winter); the thickness of the first dielectric oil layer in the longitudinal section is 3 ~ 6mm, the thickness in the cross section is 5 ~ 10mm, the second medium oil layer in the longitudinal The thickness on the cross section is l~3mm, and the thickness on the cross section is about 3mm; the average oil content in the first medium oil layer is 6~10%, and the average oil content in the second medium oil layer is 4~8%; The oil content in the rubber storage space in a medium oil layer is 5 to 7%, and the oil content in the rubber storage space in the second medium oil layer is 3 to 6%. Embodiments of the invention
[0030] 实施例 2: 选用规格为 2400*240*34mm的竹重组材初级材, 选用植物油作为介 质油, 竹重组材初级材的含水率为 12~16%, 第一温度为 180±5°C, 第二温度为 20 ~25°C (春秋季室温) ; 第一介质油层在纵剖面上的厚度为 6~8mm、 在横剖面上 的厚度为 10~15mm, 第二介质油层在纵剖面上的厚度为 2~4mm、 在横剖面上的 厚度约为 4mm; 第一介质油层中的平均含油量为 6~8%, 第二介质油层中的平均 含油量为 3~6%; 第一介质油层中的胶储油空间中的含油量为 4~6%, 第二介质油 层中的胶储油空间中的含油量为 3~5%。  [0030] Example 2: The bamboo composite material with a specification of 2400*240*34 mm is selected, and the vegetable oil is used as the medium oil, and the moisture content of the bamboo composite material primary material is 12-16%, and the first temperature is 180±5°. C, the second temperature is 20 ~ 25 ° C (spring room temperature in spring and autumn); the thickness of the first medium oil layer in the longitudinal section is 6 ~ 8mm, the thickness in the cross section is 10 ~ 15mm, the second medium oil layer in the longitudinal section The upper thickness is 2~4mm, and the thickness on the cross section is about 4mm; the average oil content in the first medium oil layer is 6~8%, and the average oil content in the second medium oil layer is 3~6%; The oil content in the rubber storage space in the medium oil layer is 4 to 6%, and the oil content in the rubber storage space in the second medium oil layer is 3 to 5%.
[0031] 实施例 3: 选用规格为 2400*260*40mm的竹重组材初级材, 选用烷基联苯型导 热油作为介质油, 竹重组材初级材的含水率为 14~20%, 第一温度为 205±5°C, 第 二温度为 25~35°C (夏季室温) ; 第一介质油层在纵剖面上的厚度为 8~10mm、 在横剖面上的厚度为 15~20mm, 第二介质油层在纵剖面上的厚度为 3~5mm、 在 横剖面上的厚度约为 5mm; 第一介质油层中的平均含油量为 4~7%, 第二介质油 层中的平均含油量为 2~4%; 第一介质油层中的胶储油空间中的含油量为 6~8%, 第二介质油层中的胶储油空间中的含油量为 4~5%。  [0031] Example 3: The bamboo composite material primary material with the specification of 2400*260*40 mm is selected, and the alkyl biphenyl type heat conduction oil is selected as the medium oil, and the moisture content of the bamboo composite material primary material is 14-20%, the first The temperature is 205±5°C, and the second temperature is 25~35°C (room temperature in summer); the thickness of the first medium oil layer is 8~10mm in the longitudinal section and 15~20mm in the cross section, the second The thickness of the medium oil layer in the longitudinal section is 3 to 5 mm, and the thickness in the cross section is about 5 mm; the average oil content in the first medium oil layer is 4 to 7%, and the average oil content in the second medium oil layer is 2~ 4%; the oil content in the rubber storage space in the first medium oil layer is 6 to 8%, and the oil content in the rubber storage space in the second medium oil layer is 4 to 5%.
[0032] 如图 3和 4所示, 实施例 4-5的一种竹重组材, 首先由干燥竹片材和酚醛树脂胶 黏剂经冷压、 热固得到含水率为 15~30%的竹重组材初级材; 随后将该初级材静 置于具有第一温度的介质油中得到具有第一介质油层的次级材, 其中该第一温 度为 220~300°C; 次级材自离幵具有第一温度的介质油中至进入具有第二温度的 介质油之间的吋间间隔为 3~10min, 该吋间间隔中该次级材暴露于自然空气环境 中, 最后将该竹重组材次级材静置于具有第二温度的介质油中得到竹重组材, 该竹重组材包括第一介质油层、 包裹该第一介质油层且位于表面的第二介质油 层、 以及位于第一介质油层和第二介质油层之间的第三介质油层, 其中该第二 温度为 10~25°C。 本领域普通技术人员可知, 通过对竹重组材初级材进行干燥处 理, 可得到适宜的含水率; 通过采用适宜的该含水率和适宜的静置吋间, 可得 到本技术方案所限定的适宜的第一介质油层和第二介质油层的含油量、 厚度、 以及胶储油空间中的含油量 (胶储油空间中含有的介质油的质量与含有的胶黏 剂的质量之比) 。 [0033] 实施例 4: 选用规格为 1920*200*24mm的竹重组材初级材, 选用联苯和联苯醚 低熔混合物型导热油、 作为介质油, 竹重组材初级材的含水率为 15~22%, 第一 温度为 225±5°C, 第二温度为 10~20°C (冬季室温) , 第一介质油的浸渍处理和 所述第二介质油的浸渍处理之间的吋间间隔为 3~7min; 第一介质油层在纵剖面 上的厚度为 5~7mm、 在横剖面上的厚度为 7~12mm, 第二介质油层在纵剖面上的 厚度为 l~3mm、 在横剖面上的厚度约为 3mm, 第三介质油层在纵剖面上的厚度 为 0.5~lmm、 在横剖面上的厚度约为 lmm; 第一介质油层中的平均含油量为 4~8 %, 第二介质油层中的平均含油量为 2~6%; 第一介质油层中的胶储油空间中的 含油量为 6~8%, 第二介质油层中的胶储油空间中的含油量为 2~5%。 [0032] As shown in FIGS. 3 and 4, a bamboo reconstituted material of Examples 4-5 is firstly subjected to cold pressing and thermosetting by a dried bamboo sheet and a phenolic resin adhesive to obtain a water content of 15 to 30%. a bamboo composite material primary material; the primary material is then statically placed in a medium oil having a first temperature to obtain a secondary material having a first dielectric oil layer, wherein the first temperature is 220 to 300 ° C;吋 The inter-turn interval between the medium oil having the first temperature and the medium oil having the second temperature is 3 to 10 min, and the secondary material is exposed to the natural air environment in the inter-turn interval, and finally the bamboo is reorganized. The secondary material is statically placed in a medium oil having a second temperature to obtain a bamboo reconstituted material, the bamboo reconstituted material comprising a first dielectric oil layer, a second dielectric oil layer enclosing the first dielectric oil layer and located on the surface, and the first medium a third dielectric layer between the oil layer and the second dielectric layer, wherein the second temperature is 10 to 25 °C. It will be apparent to those skilled in the art that a suitable moisture content can be obtained by drying the bamboo composite material primary material; by using the appropriate moisture content and a suitable standing day, the suitable solution defined by the present technical solution can be obtained. The oil content and thickness of the first medium oil layer and the second medium oil layer, and the oil content in the rubber storage space (the ratio of the mass of the medium oil contained in the glue storage space to the mass of the adhesive contained). [0033] Example 4: The primary material of the bamboo reconstituted material with the specification of 1920*200*24mm was selected, and the biphenyl and diphenyl ether low-melting mixture type heat-conducting oil was selected as the medium oil, and the moisture content of the bamboo composite material primary material was 15 ~22%, the first temperature is 225±5° C., the second temperature is 10-20° C. (room temperature in winter), the daytime between the immersion treatment of the first medium oil and the immersion treatment of the second medium oil The interval is 3~7min; the thickness of the first medium oil layer in the longitudinal section is 5~7mm, the thickness in the cross section is 7~12mm, and the thickness of the second medium oil layer in the longitudinal section is l~3mm, in the cross section The thickness of the upper medium oil layer is 0.5~1mm in the longitudinal section and the thickness in the cross section is about 1mm; the average oil content in the first medium oil layer is 4~8%, the second medium The average oil content in the oil layer is 2 to 6%; the oil content in the rubber storage space in the first medium oil layer is 6 to 8%, and the oil content in the rubber storage space in the second medium oil layer is 2 to 5 %.
[0034] 实施例 5: 选用规格为 2400*260*40mm的竹重组材初级材, 选用烷基萘型导热 油作为介质油, 竹重组材初级材的含水率为 20~30%, 第一温度为 295±5°C, 第二 温度为 18~25°C (春秋季室温) ; 第一介质油层在纵剖面上的厚度为 6~9mm、 在 横剖面上的厚度为 13~17mm, 第二介质油层在纵剖面上的厚度为 2~4mm、 在横 剖面上的厚度约为 5mm, 第三介质油层在纵剖面上的厚度为 l~1.5mm、 在横剖面 上的厚度约为 2mm; 第一介质油层中的平均含油量为 6~10%, 第二介质油层中的 平均含油量为 4~8%; 第一介质油层中的胶储油空间中的含油量为 6~10%, 第二 介质油层中的胶储油空间中的含油量为 4~6%。  [0034] Example 5: selecting a bamboo composite material primary material having a specification of 2400*260*40 mm, using an alkyl naphthalene type heat transfer oil as the medium oil, and the moisture content of the bamboo composite material primary material is 20-30%, the first temperature 295±5°C, the second temperature is 18~25°C (spring room temperature in spring and autumn); the thickness of the first medium oil layer is 6~9mm in the longitudinal section and 13~17mm in the cross section, the second The thickness of the medium oil layer in the longitudinal section is 2 to 4 mm, and the thickness in the cross section is about 5 mm, and the thickness of the third medium oil layer in the longitudinal section is 1 to 1.5 mm, and the thickness in the cross section is about 2 mm; The average oil content in a medium oil layer is 6-10%, and the average oil content in the second medium oil layer is 4~8%; the oil content in the rubber storage space in the first medium oil layer is 6-10%, The oil content in the rubber storage space in the two medium oil layers is 4 to 6%.
[0035] 实施例 1-5中, 所述的纵剖面厚度测量方式为取竹重组材的纵剖面, 当第一介 质油层为带状吋 (竹重组材芯部含介质油) , 其厚度为第一介质油层在纵剖面 上的厚度为其上任意一个上表面至对应的下表面的距离的均值; 当第一介质油 层为环状吋 (竹重组材芯部无介质油) , 其厚度为环上任意一个上表面至对应 的下表面的距离的均值。 所述的纵剖面厚度测量方式为取竹重组材的横剖面, 其计算方式同纵剖面的计算方式。  [0035] In the embodiment 1-5, the longitudinal section thickness measurement method is a longitudinal section of the bamboo reconstituted material, and the first medium oil layer is a strip-shaped crucible (the bamboo reconstituted core contains a medium oil), and the thickness thereof is The thickness of the first dielectric oil layer on the longitudinal section is the mean of the distance from any upper surface to the corresponding lower surface; when the first medium oil layer is a ring-shaped 吋 (the bamboo reconstituted core has no medium oil), the thickness thereof is The mean of the distance from any of the upper surfaces of the ring to the corresponding lower surface. The longitudinal section thickness measurement method is a cross section of the bamboo composite material, and the calculation method is the same as the calculation method of the longitudinal section.
工业实用性  Industrial applicability
[0036] 实施例 1-5中, 所述的平均含油量为第一介质油层或第二介质油层中含有的介 质油的质量与含有的竹单体和胶黏剂的质量之比。  [0036] In the examples 1-5, the average oil content is a ratio of the mass of the medium oil contained in the first medium oil layer or the second medium oil layer to the mass of the bamboo monomer and the adhesive contained.
[0037] 实施例 1-5中, 所得到的竹重组材的性能参数及与对照组的性能参数比较见附 图 5, 其中对照组为市场购得重组竹产品, 实验方法执行 GB/T 30364-2013 《重组 本具体实施例仅仅是对本发明的解释, 其并不是对本发明的限制, 本领域技术 人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改 , 但只要在本发明的权利要求范围内都受到专利法的保护。 [0037] In the examples 1-5, the performance parameters of the obtained bamboo recombinant material and the performance parameters of the control group are compared with FIG. 5 , wherein the control group is a commercially available recombinant bamboo product, and the experimental method is performed GB/T 30364. -2013 Reorganization The present invention is only an explanation of the present invention, and is not intended to limit the present invention. Those skilled in the art can make modifications without innovating the present embodiment as needed after reading the present specification, but as long as the right in the present invention All requirements are protected by patent law.

Claims

权利要求书 Claim
[权利要求 1] 一种竹重组材, 将竹单体和胶黏剂压合制成, 其特征在于: 所述竹单 体形成竹单体储油空间, 所述胶黏剂形成胶储油空间, 至少部分所述 竹单体储油空间和至少部分所述胶储油空间中渗透且存储有介质油。  [Claim 1] A bamboo recombinant material, which is prepared by press-bonding a bamboo monomer and an adhesive, wherein: the bamboo monomer forms a bamboo monomer oil storage space, and the adhesive forms a rubber storage oil. Space, at least part of the bamboo monomer storage space and at least part of the glue storage space penetrate and store medium oil.
[权利要求 2] 根据权利要求 1所述的一种竹重组材, 其特征在于: 至少部分所述竹 单体储油空间和所述胶储油空间之间的空隙中渗透且存储有所述介质 油。  [Claim 2] A bamboo recombinant material according to claim 1, wherein: at least a part of the space between the bamboo monomer oil storage space and the gel storage space penetrates and stores the Medium oil.
[权利要求 3] 根据权利要求 1所述的一种竹重组材, 其特征在于: 单位所述胶储油 空间中含有的所述介质油的质量与含有的所述胶黏剂的质量之比为 2~ 10<¾。  [Claim 3] A bamboo recombinant material according to claim 1, wherein: a ratio of a mass of the medium oil contained in the gel storage space to a mass of the adhesive contained It is 2~10<3⁄4.
[权利要求 4] 根据权利要求 1所述的一种竹重组材, 其特征在于: 所述介质油在所 述竹重组材中形成第一介质油层和位于表层的第二介质油层, 所述第 二介质油层包裹所述第一介质油层, 且所述第一介质油层和所述第二 介质油层之间形成边界。  [Claim 4] The bamboo recombinant material according to claim 1, wherein: the medium oil forms a first medium oil layer and a second medium oil layer located on the surface layer in the bamboo composite material, A second dielectric layer envelops the first dielectric oil layer, and a boundary is formed between the first dielectric oil layer and the second dielectric oil layer.
[权利要求 5] 根据权利要求 4所述的一种竹重组材, 其特征在于: 所述第一介质油 层的含油量为 4~ 10%, 所述第二介质油层的含油量为 2~8%。  [Claim 5] A bamboo composite material according to claim 4, wherein: the first medium oil layer has an oil content of 4 to 10%, and the second medium oil layer has a oil content of 2 to 8 %.
[权利要求 6] 根据权利要求 1所述的一种竹重组材, 其特征在于: 所述介质油在所 述竹重组材中形成分层的第一介质油层和位于表层的第二介质油层, 所述第二介质油层包裹所述第一介质油层, 且所述第一介质油层和所 述第二介质油层之间形成有第三介质油层, 所述第三介质油层的含油 量小于所述第一介质油层和所述第二介质油层。  [Claim 6] A bamboo recombinant material according to claim 1, wherein: the medium oil forms a layered first medium oil layer and a second medium oil layer on the surface layer in the bamboo composite material, The second medium oil layer wraps the first medium oil layer, and a third medium oil layer is formed between the first medium oil layer and the second medium oil layer, and the third medium oil layer has an oil content smaller than the first a dielectric oil layer and the second dielectric oil layer.
[权利要求 7] 根据权利要求 4或 5或 6所述的一种竹重组材, 其特征在于: 所述第一 介质油层是将所述竹重组材置于第一温度下的介质油中渗透浸渍形成 , 所述第二介质油层是将包括所述第一介质油层的所述竹重组材置于 第二温度下的介质油中渗透浸渍形成; 所述第一温度为 130~300°C, 所述第二温度为 10~35°C, 所述竹重组材在浸渍所述介质油之前的含 水率为 10~30<¾。  [Claim 7] A bamboo recombinant material according to claim 4 or 5 or 6, wherein: the first medium oil layer is formed by permeating the bamboo reconstituted material in a medium oil at a first temperature Forming by impregnation, the second medium oil layer is formed by permeating and impregnating the bamboo reconstituted material including the first medium oil layer at a second temperature; the first temperature is 130 to 300 ° C, The second temperature is 10 to 35 ° C, and the bamboo composite material has a water content of 10 to 30 < 3⁄4 before the medium oil is impregnated.
[权利要求 8] 根据权利要求 4或 5或 6所述的一种竹重组材, 其特征在于: 所述第一 介质油层在纵剖面上的厚度为 3~10mm、 在横剖面上的厚度为 5~20m m, 所述第二介质油层在纵剖面上的厚度为 l~5mm、 在横剖面上的厚 度为 3~5mm° [Claim 8] A bamboo recombinant material according to claim 4 or 5 or 6, wherein: the first The dielectric oil layer has a thickness of 3 to 10 mm in the longitudinal section and a thickness of 5 to 20 m in the cross section, and the second dielectric layer has a thickness of 1 to 5 mm in the longitudinal section and a thickness of 3 in the cross section. ~5mm°
[权利要求 9] 根据权利要求 1所述的一种竹重组材, 其特征在于: 所述竹重组材在 浸渍所述介质油之后的含水率为 1~5%; 所述竹重组材包括防霉防变 色性能为 0、 吸水厚度膨胀率为 2~7%、 吸水宽度膨胀率 1~3%、 水平 剪切强度≥12MPa的性能参数中的一项或多项。 [Claim 9] A bamboo recombinant material according to claim 1, wherein: the bamboo recombinant material has a water content of 1 to 5% after impregnation of the medium oil; The mold discoloration performance is 0, one or more of the performance parameters of the water absorption thickness expansion ratio of 2 to 7%, the water absorption width expansion ratio of 1 to 3%, and the horizontal shear strength of ≥12 MP a .
[权利要求 10] 根据权利要求 1所述的一种竹重组材, 其特征在于: 所述介质油包括 矿物质油、 植物油、 烷基联苯型导热油、 烷基联苯醚型导热油、 联苯 和联苯醚低熔混合物型导热油、 烷基萘型导热油中的一种或多种; 所 述胶黏剂包括酚醛树脂胶黏剂或改性酚醛树脂胶黏剂。  [Claim 10] The bamboo recombinant material according to claim 1, wherein the medium oil comprises mineral oil, vegetable oil, alkyl biphenyl type heat transfer oil, alkyl diphenyl ether type heat transfer oil, One or more of biphenyl and diphenyl ether low-melting type heat transfer oil, alkyl naphthalene type heat transfer oil; the adhesive includes a phenolic resin adhesive or a modified phenolic resin adhesive.
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