JPS60225712A - Method of decoloring wood - Google Patents
Method of decoloring woodInfo
- Publication number
- JPS60225712A JPS60225712A JP8448884A JP8448884A JPS60225712A JP S60225712 A JPS60225712 A JP S60225712A JP 8448884 A JP8448884 A JP 8448884A JP 8448884 A JP8448884 A JP 8448884A JP S60225712 A JPS60225712 A JP S60225712A
- Authority
- JP
- Japan
- Prior art keywords
- solution
- wood
- veneer
- thickener
- decolorizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔技術分野〕
この発明は、人工化粧単板の製造に用いられる素材単板
等の木材を脱色する方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a method for decolorizing wood such as a material veneer used in the production of artificially decorated veneers.
住宅の内装材として、従来より表面に木目が表現された
木材が好んで使用されている。しかし、その際、表面材
として天然銘木を使用するとなれば、非常に高価である
ので、一般には、天然銘木単板に類似させた人工化粧単
板が主に使用されている。人工化粧単板は、安価な樹木
の製材からスライスされた素材単板に、脱色および染色
を施し、これを積層成形して得られたフリッチを、スラ
イスすることによって得られる。BACKGROUND ART Wood with wood grains expressed on its surface has traditionally been used favorably as interior material for houses. However, in this case, if natural precious wood is used as the surface material, it is very expensive, so generally, artificial decorative veneers similar to natural precious wood veneers are mainly used. Artificial decorative veneers are obtained by decolorizing and dyeing raw material veneers sliced from inexpensive lumber from trees, and slicing flitches obtained by laminating and molding the veneers.
上記脱色は、一般には、脱色剤であるＨ２Ｏ２熔液を素
材単板に塗布し、これらを積載養生することによって行
われる。ところが、従来より所定量のＨ２Ｏ２溶液を素
材単板に塗布することが仲々困難であるため、脱色不良
を生じる場合があり、問題となっていた。The above-mentioned decolorization is generally performed by applying a H2O2 solution, which is a decolorizing agent, to the raw material veneer, and then loading and curing them. However, conventionally, it has been difficult to apply a predetermined amount of H2O2 solution to the material veneer, and this has caused problems in that decolorization failure may occur.
この発明は、以上のような現状に鑑みて、所定量のＨ２
Ｏ２溶液を素材単板に塗布することができ、脱色不良が
生じない木材の脱色法を提供することを、その目的とし
ている。In view of the above-mentioned current situation, this invention has been developed to provide a predetermined amount of H2
The purpose of this invention is to provide a method for decolorizing wood that can apply an O2 solution to a veneer and does not cause defective decolorization.
上記の目的を達成するために、この発明はＨ２Ｏ２の作
用により木材の脱色を行うにあたり、Ｈ２Ｏ２溶液に増
粘剤を添加しておくことを特徴とする木材の脱色法をそ
の要旨とする。すなわち、この発明は、増粘剤を８２０
２ 溶液に添加することによりＨ２Ｏ２溶液の粘度を向
上させ、素材単板に対する塗布量を向上させるものであ
る。以下にこれを、詳しく説明する。In order to achieve the above object, the gist of the present invention is a method for decolorizing wood, which is characterized by adding a thickener to the H2O2 solution when decolorizing wood by the action of H2O2. That is, this invention uses a thickener of 820
2. By adding it to the solution, the viscosity of the H2O2 solution is improved and the amount of application to the material veneer is improved. This will be explained in detail below.
Ｈ２Ｏ２熔液に増粘剤を添加する。添加される増粘剤と
しては、ＣＭＣ系増粘剤、アルギン系増粘剤、ＰＥＧ、
ＰＥＧＭＡ等から適宜選択されてよい。具体的には、Ｃ
ＭＣ系増粘剤としては、セロゲンＢＳＨ−６，セロゲン
ＥＩ’（いずれモ第−工業製薬社製）、アルギン系増粘
剤では、スノーアルギンし、スノーアルギンＭ（いずれ
も富士化学工業社製）等である。添加の方法は問わない
。Add a thickener to the H2O2 solution. Thickeners to be added include CMC thickeners, alginic thickeners, PEG,
It may be appropriately selected from PEGMA and the like. Specifically, C
MC-based thickeners include Celogen BSH-6 and Celogen EI' (both manufactured by Modai Kogyo Seiyaku Co., Ltd.), and algin-based thickeners such as Snow Algin and Snow Algin M (both manufactured by Fuji Chemical Industry Co., Ltd.). etc. The method of addition does not matter.
一般に、上記増粘剤を１．０〜１０．０重量％添加する
と、Ｈ２Ｏ２熔液の粘度は、３０〜２００（Ｃｐｓ）に
向上する。この増粘剤が添加されたＨ２Ｏ２溶液を単板
に塗布する。塗布の方法、およびＨ２Ｏ２溶液の濃度に
特別な制限はない。Ｈ２０２溶液の粘着力の向上によっ
て、単板への塗布量は、約５．０〜１００％向上し、所
定の脱色度を確保することができるのである。Generally, when 1.0 to 10.0% by weight of the above-mentioned thickener is added, the viscosity of the H2O2 solution is improved to 30 to 200 (Cps). This thickener-added H2O2 solution is applied to the veneer. There are no particular restrictions on the method of application and the concentration of the H2O2 solution. By improving the adhesive strength of the H202 solution, the amount applied to the veneer can be increased by about 5.0 to 100%, making it possible to ensure a predetermined degree of decolorization.
つぎに、この発明にかかる木材の脱色法の実施例を、比
較例と併せて説明する。Next, examples of the method for decolorizing wood according to the present invention will be described together with comparative examples.
（実施例１）
Ｈ２Ｏ２溶液の配合＋ Ｈ２０２２０％、アルギン系増
粘剤（富士化学工業社製 スノーアルギンＬ）１．０％
、水７９％。(Example 1) Blending of H2O2 solution + 20% H20, 1.0% algin thickener (Snow Algin L manufactured by Fuji Chemical Industry Co., Ltd.)
, 79% water.
（従来例１） Ｈ２０２ｆ４液の配合、Ｈ，２０２２０％、水８０％。(Conventional example 1) Blend of H202f4 liquid, H, 20220%, water 80%.
上記の配合のＨ２Ｏ２溶液を単板に塗布し、以下の結果
を得た。The H2O2 solution with the above formulation was applied to a veneer, and the following results were obtained.
実施例では、従来例と比較して塗布できるＩ−１２０２
溶液の重量が増加し、良好な脱色状態の単板を得ること
ができる。In the example, I-1202, which can be applied in comparison with the conventional example,
The weight of the solution increases, and a veneer in a good decolorized state can be obtained.
なお、添加する増加剤が、Ｈ２０２により酸化解重合を
起こす構造を有するものであれば、より好ましい結果が
得られる。Ｈ２Ｏ２熔液により酸化解重合を起こす構造
を有するＣＭＣ系増粘剤を、Ｈ２Ｏ２溶液に０，１〜４
．０重量％添加すると、Ｈ２０２ｉ液の粘度は、ｌ Ｏ
Ｏ（（： ｐ ｓ） 以上ニ向上する。これを単板に塗
布すると、塗布量は約１０〜１００％増加する。Ｈ２０
２溶液を塗布した単板を、積載して養生を行うと、時間
の経過とともに増粘剤が酸化解重合を生じ、また、Ｈ２
Ｏ２の分解熱により単板表面の温度が上昇するため、Ｈ
２０２熔液の粘度が低下し、Ｈ２Ｏ２の単板への浸透力
が向上する。そのため、増粘剤により単板への塗布量が
向上したＨ２０２が、ムダなく板に、脱色反応を生じさ
せることができるのである。In addition, more preferable results can be obtained if the increaser to be added has a structure that causes oxidative depolymerization by H202. A CMC thickener having a structure that causes oxidative depolymerization in H2O2 solution is added to the H2O2 solution at 0.1 to 4%.
．． When adding 0% by weight, the viscosity of the H202i liquid is l O
O((: p s) or more. When applied to a veneer, the amount of application increases by approximately 10 to 100%. H20
When veneers coated with H2 solution are loaded and cured, the thickener will undergo oxidative depolymerization over time, and H2
As the temperature of the veneer surface increases due to the heat of decomposition of O2, H
The viscosity of the 202 melt decreases, and the permeability of H2O2 into the veneer improves. Therefore, the amount of H202 applied to the veneer is increased by the thickener, and the decolorization reaction can be caused on the veneer without waste.
つぎに、Ｈ２０２により酸化解重合を起こす構造を有す
るＣＭＣ系増加剤が添加されたＨ２Ｏ２溶液を塗布して
、脱色を行った実施例を、従来例と併せて説明する。Next, an example in which decolorization was performed by applying a H2O2 solution to which a CMC type increaser having a structure that causes oxidative depolymerization by H202 is added will be described in conjunction with a conventional example.
（実施例２）
Ｈ２Ｏ２溶液の配合、８２０２２５％、セロゲン（第一
工業製薬社製 ＣＭＣ系増粘剤）３゜０％、水７２％。(Example 2) Blend of H2O2 solution, 820225%, celogen (CMC thickener manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) 3.0%, water 72%.
（従来例２） Ｈ２Ｏ２溶液の配合、Ｈ２Ｏ２２５％、水７５％。(Conventional example 2) H2O2 solution formulation, H2O2 25%, water 75%.
上記の配合のＨ２Ｏ２溶液を塗布し、以下の結果を得た
。The H2O2 solution with the above formulation was applied and the following results were obtained.
従来例に比較して、Ｌｍ値、Ｂ乗値ともに向上し、良好
な脱色効果を得ることができているのである。Compared to the conventional example, both the Lm value and the B power value are improved, and a good decolorizing effect can be obtained.
この発明は、以上のように構成されているので、Ｈ２Ｏ
２溶液の単板への塗布量を増加させ、高い脱色効果をあ
げることができる。Since this invention is configured as described above, H2O
By increasing the amount of the two solutions applied to the veneer, a high decolorizing effect can be achieved.
Claims (1)
、Ｈ２Ｏ２溶液に増粘剤を添加しておくことを特徴とす
る木材の脱色法。 （２） 増粘剤がＨ２Ｏ２により酸化解重合をおこすも
のである特許請求の範囲第１項記載の木材の脱色法。[Scope of Claims] A method for decolorizing wood, which comprises adding a thickener to a H2O2 solution when decolorizing wood by the action of +1lH202. (2) The method for decolorizing wood according to claim 1, wherein the thickener causes oxidative depolymerization with H2O2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8448884A JPS60225712A (en) | 1984-04-25 | 1984-04-25 | Method of decoloring wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8448884A JPS60225712A (en) | 1984-04-25 | 1984-04-25 | Method of decoloring wood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60225712A true JPS60225712A (en) | 1985-11-11 |
Family
ID=13832034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8448884A Pending JPS60225712A (en) | 1984-04-25 | 1984-04-25 | Method of decoloring wood |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60225712A (en) |
-
1984
- 1984-04-25 JP JP8448884A patent/JPS60225712A/en active Pending
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