WO2009135340A1 - 一种彩色竹集成材的加工方法 - Google Patents

一种彩色竹集成材的加工方法 Download PDF

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Publication number
WO2009135340A1
WO2009135340A1 PCT/CN2008/000984 CN2008000984W WO2009135340A1 WO 2009135340 A1 WO2009135340 A1 WO 2009135340A1 CN 2008000984 W CN2008000984 W CN 2008000984W WO 2009135340 A1 WO2009135340 A1 WO 2009135340A1
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Prior art keywords
bamboo
dyeing
pressure
colored
strips
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PCT/CN2008/000984
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English (en)
French (fr)
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李君瑜
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萌立尔有限公司
广州萌立尔家具有限公司
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Publication of WO2009135340A1 publication Critical patent/WO2009135340A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
    • B27M3/0026—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally
    • B27M3/0053—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally using glue
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/043—Ornamental plaques, e.g. decorative panels, decorative veneers containing wooden elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/72—Density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00—Floor coverings

Definitions

  • the invention relates to a processing method of bamboo laminated timber, in particular to a processing method of colored bamboo laminated timber.
  • the patent number is: ZL200520013915.2
  • the announcement number is CN2811449
  • the invention name is a utility model patent of a color bamboo floor, which is a colored bamboo flooring.
  • the color processing method is as follows: firstly, the dyeing liquid is mixed with the adhesive; then, the bamboo silk is dipped and then molded into a high pressure molding; or the bamboo silk is infiltrated into the color from the outside to the inside and then dipped into a mold for high pressure molding.
  • the downsides are:
  • the dyeing liquid slowly infiltrates from the surface to the inside of the bamboo filament during dyeing, and the coloring time is long, and the coloring is hooked, and the natural bamboo strip texture is completely covered, so the color is not fresh;
  • the bamboo floor is formed by high pressure pressing and solidification, the required pressure is high, and the pressure is usually required to be 50 MPa or more, so it is necessary to configure a press having a tonnage of more than 2000 tons;
  • a press can only press a size of press material, which is limited by the size of the press table.
  • the limit length of the color bamboo press material is 1800mm, so its use is limited; For the length, a press with a larger tonnage is required;
  • the pressing process requires a mold. Due to the limitation of the mold, the color bamboo material has a single specification.
  • the current maximum specification is 1800 mm ⁇ 105 mmxl30mm ;
  • the press-formed press material needs to be opened into a plate to be used. Therefore, the film opener is required.
  • the currently used bucking machine can only open 105 mm wide, thus restricting the width dimension of the press material;
  • the object of the present invention is to overcome the above-mentioned deficiencies of the prior art and to provide a processing method for a color bamboo laminated material which has a good dyeing effect, a beautiful appearance and a low production cost.
  • the cooked bamboo strips may also be subjected to carbonization treatment and then subjected to high pressure dyeing.
  • the bamboo strips may be subjected to a drying treatment before being subjected to high pressure dyeing after cooking.
  • the bamboo strips may be subjected to 'drying treatment' before being carbonized and subjected to high-pressure dyeing.
  • the colored bamboo glulam of the present invention has different shades along the bamboo texture during dyeing, for example, the color is deeper at the bamboo joint, and the phloem at the bamboo vascular bundle has no obvious coloration, thus, the bamboo strip Lines will appear after dyeing The effect can completely retain the natural texture of the bamboo after coloring, and its appearance is novel and beautiful;
  • the dyeing tank used in the present invention has a large production capacity, and the dyeing tank with a diameter of 1500 mm can be dyed with bamboo strips of lm 3 or more bamboo laminated materials per tank, and can be dyed 4 to 10 m 3 per tank per day. , effectively improve its dyeing efficiency;
  • the length of the dyeing tank used in the present invention is long, and the length of the dyed bamboo strip is 2400 to 4800 mm, so that the length of the colored bamboo laminated material is long, which can meet the needs of different size and specification sheets, and has high applicability. ;
  • the equipment used for the color bamboo integrated board is the same as the general bamboo laminated equipment.
  • the required pressure is small, about 3.7 ⁇ 22MPa (the pressure required for the color bamboo flooring is 50MPa or more), and the equipment is simple. High production efficiency, its manufacturing cost is much lower than that of colored bamboo flooring, and it is also suitable for mass production;
  • the amount of glue applied in the processing of the invention is small, the amount of glue is about 2.5 to 5.3%, so the density is small (about 790 kg/m 3 ), which is close to the density of the original bamboo, and the density of the heavy bamboo color bamboo floor is large ( Up to 900 ⁇ 1300kg/m 3 ); its moisture absorption after damp is small, for example: immersing at 100 degrees water temperature for 2 hours without opening the rubber and no deformation on the surface, the surface has no obvious unevenness; and the heavy bamboo color bamboo flooring is in the same condition The lower surface is wet and large, and there is obvious unevenness;
  • the post-vacuum in the high-pressure dyeing process of the present invention can extract a part of the excess dyeing liquid in the hole of the bamboo tube, thereby reducing the moisture content of the bamboo strip after dyeing, shortening the drying time and saving energy;
  • the adhesive does not adhere to any color, and the dyeing liquid in the dyeing tank after dyeing can be recycled after being sucked back into the liquid storage tank, thereby effectively saving the dyeing liquid.
  • Figure 3 is a radial cutaway view of the bamboo strip of the present invention.
  • Fig. 4 is an enlarged schematic view showing a portion A in Fig. 3 described above.
  • the processing method of a colored bamboo laminated material of the present invention is: opening a bamboo into a bamboo strip, and then processing the bamboo yellow and bamboo green into a bamboo strip of a suitable specification, and then the bamboo strip.
  • the bamboo strips can be dried or not dried.
  • the cooked bamboo strips can also be charred.
  • the bamboo strips can also be dried or not dried: then the bamboo strips are placed
  • the dyeing tank is subjected to high-pressure dyeing treatment. After dyeing, the bamboo strips are dried, and the dried bamboo strips have been finely planed and combined into different color bamboo laminated materials.
  • the same pattern of flat-plate or special grain can be synthesized by bamboo strips. Press the plate flatly, or form a side plate by stacking the slats.
  • the specific process of high-pressure dyeing of bamboo strips is: When dyeing bamboo strips, it will be cooked or cooked and charred. Put the bamboo strip into the dyeing tank, close the valve of the dyeing tank, vacuum it to -0.01 ⁇ - O.lMPa with a vacuum pump, and keep the pressure for a short time, close the vacuum pump, the purpose is to put the part inside the hole of the bamboo tube The air and water are pumped out, the conduit is dredged, and the dyeing liquid is allowed to enter the inside of the bamboo tube hole; then the dyeing liquid inlet valve is opened, and the dyeing liquid is sucked in by the vacuum in the tank until the dyeing liquid fills the container; the inlet valve is closed, and the opening is opened.
  • the pressurizing pump starts to pressurize, pressurizes to 1.0 ⁇ 2.5MPa, and after releasing pressure for a period of time, the pressure is released, and the dyeing liquid in the tank is withdrawn, and then the vacuum reaches -0.01 ⁇ -O.lMpa, and the pressure is kept for a short time.
  • the purpose is to extract some of the remaining dyeing liquid in the bamboo tube hole for drying, not only shorten the drying time of the bamboo strip, save energy, but also save the usage of the dyeing liquid.
  • the excess dyeing liquid is returned to the liquid storage tank. Can be reused.
  • the bamboo consists of its basic cell matrix 1 and vascular bundle 2; as shown in Fig. 4, the vascular bundle 2 is composed of its xylem 21 and phloem 22.
  • the high-pressure dyeing principle of the present invention is that the dyeing liquid is axially diffused to the inside along the basic cell substrate 1 of the bamboo strip and the xylem portion 21 of the vascular bundle 2 by pressurization, and since the phloem portion 22 is relatively solid, it is generally not easily colored, most of which The dyeing liquid is diffused axially inward along the xylem 21, so that a coloring effect is produced after the coloring, which causes the color to vary depending on the depth of the bamboo grain, for example, the color is deeper at the bamboo joint, but the phloem portion 22 is obviously not colored.
  • the existing colored bamboo flooring is to soak the bamboo filaments in the dyeing liquid for a long time, and the dyeing liquid slowly penetrates from the surface to the interior of the bamboo filaments, and the coloring time is long, and the coloring is uniform, and the natural bamboo strip texture is completely covered. .
  • bamboo is composed of vascular bundles and basic cell matrix
  • vascular bundles are composed of phloem and xylem
  • the volume of bamboo strips from the bamboo green to the vascular bundle near bamboo and yellow is Small to large, so the density is from dense to sparse.
  • the larger the volume of the vascular bundle the easier it is to color, resulting in different effects of the bamboo strips in the thickness direction.
  • the coloring effect of bamboo strips is beautiful and diverse.
  • the processing technology that is, the cooking treatment or the carbonization treatment, the coloring effect is different; the vacuum degree of the front vacuum and the holding time are different, The coloring effect is different; the pressing pressure is different, the coloring effect is different; the pressing pressure holding time is long, the coloring effect is different; the dyeing liquid concentration is different, and the coloring effect is also different.
  • the present invention imparts various color effects to the natural and beautiful bamboo grain by using bamboo strip substrates of different treatment processes and using different dyeing parameters, so that the shape of the bamboo laminated material is novel and beautiful.
  • the colored bamboo laminated material processed by the invention is widely used, and can be used not only for producing colored bamboo laminated timber furniture, color bamboo flooring, but also for producing colored bamboo decorative panels, which is widely used and popular among consumers.

Description

一种彩色竹集成材的加工方法
本发明所属技术领域
本发明涉及竹集成材的加工方法， 特别涉及一种彩色竹集成材的加工方法。
在本发明之前的现有技术
在现有技术中， 已经公开了彩色竹地板技术， 例如专利号是： ZL200520013915.2, 公 告号是 CN2811449, 发明名称是彩色竹地板的实用新型专利， 该彩色竹地板为彩色重竹竹 地板， 其彩色处理方法是： 首先将染色液与胶粘剂混合； 然后， 将竹丝浸胶后再入模高压 成型； 或将竹丝由外到内渗入颜色再浸胶后入模高压成型。 其不足之处是：
(1)染色时染色液从表面向竹丝内部慢慢渗透， 其着色时间长， 而且着色均勾， 完全把 天然的竹条纹理掩盖住， 故其色彩不鲜活；
(2)由于该竹地板是经高压压制固化成型， 所需压力高， 压力通常需在 50MPa以上， 因 而需要配置吨位大于 2000吨的压机；
(3)目前， 一套压机只能压一种尺寸的压材， 受压机工作台尺寸的限制， 目前彩色竹丝 压材极限长度尺寸为 1800mm， 因而其使用受到限制； 如需加大长度， 则需配备吨位更大的 压机；
(4)压制过程需要用模具， 由于受模具限制， 所以彩色竹丝压材的规格单一， 目前最大 规格为 1800 mm <105 mmxl30mm;
(5)压制成形的压材需经开片成板才能使用， 因而需配置开片机， 目前使用的幵片机只 能开 105mm宽， 因此制约了压材的宽度尺寸；
(6)竹丝浸胶，胶接面积大，所以胶含量高（8%〜15%),导致其密度大 (900〜1300kg/m3)， 而且较高的含胶量使该竹质地板不环保， 无益于住户的健康；
(7)由于压制压力大， 在压制过程中竹材管孔绝大多数被压扁， 所以受潮吸湿后极易变 形， 导致板材表面凹凸不平明显， 其外观性能差；
(8)其生产周期长， 由于髙压成型， 内部的水份很难干燥， 故 15tnm厚的板材都要养生 45天， 所以不适于批量生产。
(9)其设备制造成本高， 产量低， 生产效率低。 发明目的
本发明的目的是克服上述现有技术的不足， 提供一种染色效果好、 外型美观且生产成 本低的彩色竹集成材的加工方法。
本发明所采用的技术方案
为了实现所述技术目的， 本发明是按以下技术方案实现的：
一种彩色竹集成材的加工方法， 其具体加工步骤是-
(1)将圆竹开条；
(2)将上述开条后的竹条粗刨去竹黄、 竹青； -
(3)将竹条进行蒸煮；
(4)蒸煮后的竹条进行高压染色；
(5)将染色后的竹条千燥；
(6)将干燥后的竹条精刨；
(7)将精刨后的竹条拼合成不同规格的板材。
上述蒸煮后的竹条还可以经过炭化处理后再进行高压染色。
所述竹条的高压染色的具体过程是-
(1)进料： 将蒸煮后的竹条放入到染色罐内， 然后， 关闭阀门抽真空至 -0.01〜- O.lMpa, 短时保压， 然后关闭真空泵；
(2)打开染色液进液阀， 借助罐内真空吸入染色液， 直至染色液灌满容器为止；
(3)关闭进液阀， 打开加压泵开始加压， 加压至 1.0〜2.5MPa， 并保压一段时间；
(4)卸压至常压；
(5)抽出灌内染色液；
(6)通过真空泵再将染色罐抽真空至 -0.01〜- 0.1Mpa， 短时保压；
(7)出料： 从染色罐内取出己经着色的竹条。
为了使进入染色罐内进行染色的竹条湿度较小， 所述竹条蒸煮后进行高压染色前还可 以经过烘干处理。
为了使进入染色罐内进行染色的竹条湿度较小， 所述竹条炭化后进行高压染色前还可 以经过 '洪干处理。
与现有技术相比， 本发明的有益效果是：
U)本发明彩色竹集成材在染色时， 沿着竹材纹理着色的深浅有所不同， 例如在竹节处 颜色较深， 而在竹条维管束的韧皮部则无明显的着色， 这样， 竹条染色后会产生线条状的 效果， 着色后可以完全地保留竹材的天然紋理， 其外形新颖美观；
(2)本发明中所用的染色罐生产能力大， 直径为 1500mm的染色罐， 每罐可染 lm3以上 竹集成材的竹条， 单班生产每日每个罐可染 4〜10 m3， 有效地提高其染色效率；
(3)本发明中所用的染色罐长度长，所染色的竹条长度范围是 2400〜4800mm，这样拼合 而成的彩色竹集成材长度长， 可满足不同尺寸规格板材的需要， 其适用性强；
(4)彩色竹集成材拼板所用设备同一般竹集成材设备相同，所需压力较小，大概只需 3.7~ 22MPa (而彩色重竹竹地板所需压力为 50MPa以上)， 且设备简单， 生产效率高， 其制造成 本远低于彩色重竹竹地板， 同时还适合批量生产；
(5)本发明加工过程中施胶量少，含胶量大概是 2.5〜5.3%，因而其密度小（约 790kg/m3)， 接近原竹的密度，而重竹彩色竹地板密度大（达 900〜1300kg/m3左右）； 其受潮后吸湿变形 小， 例如： 在 100度水温浸泡 2小时不开胶且表面无变形， 其表面无明显的凸凹不平； 而 重竹彩色竹地板在相同条件下表面湿涨大， 有明显的凹凸不平；
(6)本发明高压染色过程中的后真空能把竹条管孔内的部分多余染色液抽出， 降低了染 色后竹条的含水率， 缩短干燥时间， 节约能源；
(7)本发明的竹集成材拼合时， 胶粘剂不会附着任何颜色， 而且染色后染色罐内的染色 液抽回贮液罐后还可以循环使用， 有效地节约染色液。
附图说明
图 1是本发明彩色竹集成材加工工艺流程；
图 2是本发明中竹条的高压染色工艺流程；
图 3是本发明中竹条的径向剖切图；
图 4是上述图 3中 A处放大示意图。 实施例
下面结合附图和具体实施例对本发明作详细的说明。
如图 1 所示， 本发明的一种彩色竹集成材的加工方法是： 将圆竹开成竹条， 然后经粗 刨去竹黄、 竹青加工成合适规格的竹条， 再将竹条蒸煮， 蒸煮后还可以将竹条烘干或者不 烘干处理； 另外， 蒸煮后的竹条还可经炭化处理， 炭化后竹条也可以供干或者不烘干处理： 然后将竹条放入染色罐内进行高压染色处理， 染色后将竹条干燥， 再将已经着色的干竹条 精刨并拼合成不同规格的彩色竹集成材， 例如， 可以通过竹条拼合成同紋平压板或者异纹 平压板， 或者通过板条叠加形成侧压板。
如图 2所示， 竹条高压染色具体工艺流程是： 竹条染色时， 先将蒸煮或蒸煮并炭化后 的竹条放入染色罐内， 关闭染色罐的阀门， 用真空泵将其抽真空至 -0.01〜- O.lMPa, 同时短 时保压， 关闭真空泵， 其目的是把竹条管孔内的部分空气和水份抽出， 疏通其导管， 便于 染色液进入竹条管孔内部； 然后打开染色液进液阀， 借助罐内真空吸入染色液， 直至染色 液灌满容器为止； 关闭进液阀， 打开加压泵开始加压， 加压至 1.0〜2.5MPa, 并保压一段时 间后卸压， 抽出罐内染色液， 再进行后真空达 -0.01〜- O.lMpa, 并短时保压， 其目的是为了 把竹条管孔内的部分剩余染色液抽出便于干燥， 不仅缩短竹条的干燥时间， 节约能源， 而 且还节约染色液的使用量， 另外， 抽出的多余染色液返回贮液罐还可以重复利用。
如图 3所示， 竹材由其基本细胞基体 1和维管束 2组成； 如图 4所示， 维管束 2是由 其木质部 21及韧皮部 22组成。 本发明的高压染色原理是， 通过加压， 让染色液沿着竹条 的基本细胞基体 1和维管束 2的木质部 21向内部轴向扩散， 由于韧皮部 22比较坚实， 其 一般不易着色， 大部分染色液都是沿着木质部 21向内轴向扩散， 因此着色后会产生线条状 的效果， 使其沿着竹纹着色深浅有所不同， 例如在竹节处颜色较深但韧皮部 22明显没有着 色， 所以着色后比较完全地保留竹材的天然紋理。 而现有的彩色竹地板是把竹丝长时间浸 泡在染色液中， 染色液从表面向竹丝内部慢慢渗透， 其着色时间长， 而且着色均匀， 且完 全把天然的竹条紋理掩盖住。
不同情况下竹条的着色特点为： 由于竹材是由维管束和基本细胞基体组成， 而维管束 又是由韧皮部和木质部组成， 竹条由靠近竹青部向靠近竹黄部维管束的体积由小到大， 所 以密度由密到疏， 维管束体积越大越易着色， 导致竹条在厚度方向上着色效果不同。
竹条着色效果美观多样， 染色时竹条基材含水率不同， 着色效果不同； 处理工艺， 即 蒸煮处理或炭化处理的不同， 着色效果不同； 前真空的真空度及保压时间长短不同， 其着 色效果不同； 加压压力不同， 着色效果不同； 加压保压时间长短， 着色效果不同； 染色液 浓度不同， 着色效果也有所不同。 总之， 本发明是通过对不同处理工艺的竹条基材和采用 不同染色参数给自然而美丽的竹纹赋予各种色彩效果， 使竹集成材的外形新颖美观。
本发明加工而成的彩色竹集成材应用广泛， 不仅可用于制作彩色竹集成材家具、 彩色 竹地板， 而且还可以用于制作彩色竹装饰板， 其应用广泛， 深受广大消费者的喜爱。

Claims

权利 要求
1.一种彩色竹集成材的加工方法， 其具体加工步骤是-
(1)将圆竹开条；
(2)将上述开条后的竹条粗刨去竹黄、 竹青；
(3)将竹条进行蒸煮；
(4)蒸煮后的竹条进行高压染色；
(5)将染色后的竹条干燥；
(6)将千燥后的竹条精刨；
(7)将精刨后的竹条拼合成不同规格的板材。
2.根据权利要求 1所述的彩色竹集成材的加工方法，其特征在于：上述蒸煮后的竹条还 经过炭化处理后再进行高压染色。
3.根据权利要求 1或 2所述的彩色竹集成材的加工方法，其特征在于：所述竹条的高压 染色过程是：
(1)进料， 将蒸煮或炭化后的竹条放入染色罐内， 关闭阀门抽真空至 -0.01〜- O.lMpa, 短 时保压， 关闭真空泵；
(2)打开染色液进液阀， 借助染色罐内真空吸入染色液， 直至染色液灌满容器为止；
(3)关闭进液阀， 打开加压泵开始加压， 加压至 1.0〜2.5MPa， 并保压一段时间；
(4)卸压至常压；
(5)抽出染色罐内染色液；
(6)通过真空泵再将染色罐内抽真空至 -0.01〜- O.lMpa， 短时保压；
(7)出料， 从染色罐内取出已经着色的竹条。
4.根据权利要求 3所述的彩色竹集成材的加工方法，其特征在于：所述竹条蒸煮后高压 染色前还通过烘干处理。
5.根据权利要求 3所述的彩色竹集成材的加工方法，其特征在于：所述竹条炭化后高压 染色前还通过烘干处理。
PCT/CN2008/000984 2008-05-05 2008-05-21 一种彩色竹集成材的加工方法 WO2009135340A1 (zh)

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