JP2007136992A - Method for preventing chemical agent impregnated in wood from being eluted and elution prevented wood - Google Patents
Method for preventing chemical agent impregnated in wood from being eluted and elution prevented wood Download PDFInfo
- Publication number
- JP2007136992A JP2007136992A JP2005336920A JP2005336920A JP2007136992A JP 2007136992 A JP2007136992 A JP 2007136992A JP 2005336920 A JP2005336920 A JP 2005336920A JP 2005336920 A JP2005336920 A JP 2005336920A JP 2007136992 A JP2007136992 A JP 2007136992A
- Authority
- JP
- Japan
- Prior art keywords
- wood
- leaching
- preventing
- chemical
- preventing leaching
- 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
- 239000002023 wood Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000013043 chemical agent Substances 0.000 title abstract description 8
- 238000010828 elution Methods 0.000 title abstract 3
- 150000001639 boron compounds Chemical class 0.000 claims abstract description 20
- -1 phosphoric acid compound Chemical class 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000002386 leaching Methods 0.000 claims description 36
- 239000000126 substance Substances 0.000 claims description 19
- 239000002344 surface layer Substances 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 229920003002 synthetic resin Polymers 0.000 claims description 8
- 239000000057 synthetic resin Substances 0.000 claims description 8
- 239000000376 reactant Substances 0.000 claims description 7
- 229920001187 thermosetting polymer Polymers 0.000 claims description 7
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 150000001341 alkaline earth metal compounds Chemical class 0.000 claims description 3
- 150000003752 zinc compounds Chemical class 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 12
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract description 7
- 239000004327 boric acid Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract description 2
- 150000003016 phosphoric acids Chemical class 0.000 abstract description 2
- 238000005470 impregnation Methods 0.000 abstract 2
- 238000006253 efflorescence Methods 0.000 abstract 1
- 238000004079 fireproofing Methods 0.000 abstract 1
- 206010037844 rash Diseases 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 12
- 229920000647 polyepoxide Polymers 0.000 description 12
- 230000004888 barrier function Effects 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000003822 epoxy resin Substances 0.000 description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 7
- 239000003063 flame retardant Substances 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- 229940079593 drug Drugs 0.000 description 5
- 239000003814 drug Substances 0.000 description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 4
- 239000001110 calcium chloride Substances 0.000 description 4
- 229910001628 calcium chloride Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012757 flame retardant agent Substances 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 150000002366 halogen compounds Chemical class 0.000 description 2
- 229910017464 nitrogen compound Inorganic materials 0.000 description 2
- 150000002830 nitrogen compounds Chemical class 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FWRSQHWGVGNBTF-UHFFFAOYSA-N P.NC(=N)N Chemical compound P.NC(=N)N FWRSQHWGVGNBTF-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 description 1
- 239000001639 calcium acetate Substances 0.000 description 1
- 229960005147 calcium acetate Drugs 0.000 description 1
- 235000011092 calcium acetate Nutrition 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000000749 insecticidal effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Images
Landscapes
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
Description
本発明は、木材に含浸された薬剤の溶脱防止方法に関し、更に詳しくは難燃性、不燃性の薬剤が含浸された木材の表面に現れる白華現象を防止するための溶脱防止方法に関するものである。 The present invention relates to a method for preventing leaching of a chemical impregnated in wood, and more particularly relates to a method for preventing leaching to prevent a white flower phenomenon appearing on a surface of wood impregnated with a flame retardant or non-flammable chemical. is there.
一般に、建築材としての使用される木材は、防火対策のため難燃性、または不燃性（以下、総称して難燃性と呼ぶ）であることが好ましい。
そのため、木材を極力燃えないようにするために、いわゆる難燃化処理の技術が開発されている（特許文献１参照）。
In general, wood used as a building material is preferably flame retardant or non-flammable (hereinafter collectively referred to as flame retardant) for fire prevention.
Therefore, in order to prevent burning wood as much as possible, a so-called flame retardant treatment technology has been developed (see Patent Document 1).
現在、木材を難燃化するには、該木材に薬液を含浸させる処理方法が主流となっており、難燃化するにはホウ素化合物、リン酸化合物、窒素化合物、ハロゲン化合物等の薬剤が使用されている。 Currently, in order to make wood flame-retardant, treatment methods of impregnating the wood with chemicals are the mainstream, and chemicals such as boron compounds, phosphate compounds, nitrogen compounds and halogen compounds are used to make flame-retardant. Has been.
しかし、これらの薬剤のうち窒素化合物、ハロゲン化合物は、燃焼時に有害ガスを含む発煙量が多く、変色が発生し易いと問題点がある。
一方、ホウ素化合物やリン酸グアジニジンなどのリン酸化合物は、有害なガスの発生が少なく、素材の傷み、変色も比較的少ない。
そしてホウ素化合物やリン酸化合物を主成分とする薬剤は、脱水炭化作用によって発熱を抑える効果が著しい。
その上、特にホウ素化合物の場合には防腐防虫効果もあり、対象とする木材を付加価値の高いものとすることができる。
On the other hand, phosphoric acid compounds such as boron compounds and guanidine phosphine are less likely to generate harmful gases and have relatively little damage or discoloration.
And the chemical | medical agent which has a boron compound and a phosphoric acid compound as a main component has the effect which suppresses heat_generation | fever by dehydration carbonization.
In addition, especially in the case of boron compounds, there is also an antiseptic and insecticidal effect, and the target wood can be made high in added value.
ところが、難燃化薬剤としてホウ素化合物やリン酸化合物は、木材に対して有効に作用する。しかし、難燃化薬剤は、通常、水溶性であるため、木材の吸脱湿により溶脱が生じる欠点がある。
すなわち、木材が水分（気体や液体の形態）を吸収して難燃化薬剤の成分が木材表面に出てくるのである。
この溶脱が生じると、ホウ素化合物やリン酸化合物が析出して木材の表面が白くなる現象、いわゆる白華現象が発生する。
例えば外壁用の木材としては、この白華現象によりその価値が低下する。
However, boron compounds and phosphate compounds as flame retardant agents effectively act on wood. However, since the flame retardant agent is usually water-soluble, there is a drawback that leaching occurs due to moisture absorption and desorption of wood.
That is, the wood absorbs moisture (in the form of gas or liquid) and the component of the flame retardant agent comes out on the surface of the wood.
When this leaching occurs, a phenomenon in which a boron compound or a phosphoric acid compound is precipitated and the surface of the wood becomes white, a so-called white flower phenomenon occurs.
For example, the value of wood for outer walls is reduced by this white flower phenomenon.
本発明はこのような技術的問題点を解決する意図でなされたものである。
すなわち、本発明は、難燃化処理を行った木材に生ずる白華現象の原因となるホウ素化合物やリン酸化合物の溶脱防止方法を提供することを目的とする。
またその溶脱防止方法で処理した木材を提供することを目的とする。
The present invention has been made with the intention of solving such technical problems.
That is, an object of the present invention is to provide a method for preventing leaching of a boron compound or a phosphoric acid compound that causes a white flower phenomenon that occurs in wood subjected to a flame retardant treatment.
Moreover, it aims at providing the timber processed with the leaching prevention method.
本発明者らは、このような背景のもとで鋭意研究した結果、木材表面の一定深さ領域に存在する薬剤を不溶化させると同時に、表面を防湿性の樹脂で覆うことで薬剤の溶脱を阻止できることを見出し、この知見により本発明を達成するに至ったものである。 As a result of diligent research under such a background, the present inventors insolubilized a drug existing in a certain depth region of the wood surface, and at the same time, covered the surface with a moisture-proof resin, thereby leaching the drug. The present inventors have found that this can be prevented and have reached the present invention based on this finding.
本発明は、ホウ酸またはリン酸化合物からなる薬剤を木材に含浸・乾燥させた後、木材の表層部に存在する薬剤を反応剤で不溶化させ、その後、木材表面を水蒸気から遮断する溶脱防止方法に関する。 The present invention relates to a method for preventing leaching by impregnating and drying a chemical agent comprising boric acid or a phosphoric acid compound, insolubilizing the chemical agent present on the surface layer of the wood with a reactant, and then blocking the wood surface from water vapor. About.
すなわち、本発明は、（１）、木材に含浸された薬剤の溶脱を防止する方法であって、薬剤を木材に含浸し乾燥させた後、木材の表層部の薬剤を不溶化し乾燥させ、その後、木材表面を水蒸気から遮断する木材の溶脱防止方法に存する。 That is, the present invention is (1) a method for preventing leaching of a chemical impregnated in wood, wherein the chemical is impregnated in wood and dried, and then the chemical on the surface layer of the wood is insolubilized and dried. The present invention resides in a method for preventing leaching of wood by blocking the wood surface from water vapor.
また、本発明は、（２）、木材表面を防湿性のある合成樹脂で被覆することにより木材表面を水蒸気から遮断する上記（１）に記載の木材の溶脱防止方法に存する。 The present invention also resides in (2) the method for preventing leaching of wood according to (1) above, wherein the wood surface is shielded from water vapor by coating the wood surface with a moisture-proof synthetic resin.
また、本発明は、（３）、防湿性のある合成樹脂が、熱硬化性樹脂である上記（２）に記載の木材の溶脱防止方法に存する。 The present invention also resides in (3) the method for preventing leaching of wood according to (2) above, wherein the moisture-proof synthetic resin is a thermosetting resin.
また、本発明は、（４）、不溶化する木材表層部の厚さが、０．１ｍｍ〜１．０ｍｍの範囲である上記（１）に記載の木材の溶脱防止方法に存する。 Moreover, this invention exists in the leaching prevention method of the wood as described in said (1) whose thickness of the wood surface layer part to insolubilize is the range of 0.1 mm-1.0 mm.
また、本発明は、（５）、薬剤がホウ素化合物又はリン酸化合物を含むものである上記（１）に記載の木材の溶脱防止方法に存する。 Moreover, this invention exists in the leaching prevention method of the wood as described in said (1) whose (5) and a chemical | medical agent contain a boron compound or a phosphate compound.
また、本発明は、（６）、不溶化するのは反応剤であるアルカリ土類金属化合物または亜鉛化合物により処理して行なう上記（５）記載の木材の溶脱防止方法に存する。 The present invention also resides in (6) the method for preventing leaching of wood described in (5) above, wherein the insolubilization is carried out by treatment with an alkaline earth metal compound or zinc compound as a reactant.
また、本発明は、（７）、上記（１）〜（６）のいずれか１項記載の木材の溶脱防止方法により処理された木材に存する。 Moreover, this invention exists in the timber processed by the leaching prevention method of the timber of any one of (7) and said (1)-(6).
なお、本発明の目的に添ったものであれば、上記発明を適宜組み合わせた構成も採用可能である。 In addition, as long as the objective of this invention is met, the structure which combined the said invention suitably is also employable.
その結果として、木材の表層部に存在する薬剤の成分であるホウ素化合物またはリン酸化合物を反応剤で不溶化させることで表層部に含まれるホウ素化合物またはリン酸化合物がその位置で固定される。
また、この固定されたホウ素化合物またはリン酸化合物が木材内部の成分が表出するのを阻止する第１バリア層を形成する。
さらに、木材表面を水蒸気から遮断することにより、第２バリア層を形成される。
全体として２つのバリア層が形成されるために確実な溶脱防止効果が発揮できる。
As a result, the boron compound or phosphate compound, which is a component of the drug present in the surface layer portion of the wood, is insolubilized with the reactant, so that the boron compound or phosphate compound contained in the surface layer portion is fixed at that position.
In addition, a first barrier layer that prevents the fixed boron compound or phosphate compound from exposing the components inside the wood is formed.
Further, the second barrier layer is formed by blocking the wood surface from water vapor.
Since two barrier layers are formed as a whole, a certain leaching prevention effect can be exhibited.
図１に溶脱防止方法を説明するブロック図を示した。 FIG. 1 is a block diagram for explaining the leaching prevention method.
本発明の溶脱防止方法はホウ素化合物またはリン酸化合物からなる薬剤を含浸し乾燥した木材を対象とするものである。
このホウ素化合物またはリン酸化合物からなる薬剤を木材に含浸させる方法としては、当該薬剤の水溶液を高い圧力のもとで促進含浸させる方法、室温にて大気圧のもとで長時間含浸させる方法等の公知の方法が採用される。
The leaching prevention method of the present invention is intended for wood that has been impregnated with a chemical agent composed of a boron compound or a phosphate compound and dried.
Examples of the method of impregnating wood with a chemical agent comprising this boron compound or phosphoric acid compound include a method of accelerating and impregnating an aqueous solution of the chemical agent under high pressure, a method of impregnating at room temperature under atmospheric pressure for a long time, etc. These known methods are employed.
木材の表層部に存在する薬剤を不溶化するのは、水に不溶な沈殿物として形成することのできる反応剤である水溶性のアルカリ土類金属化合物、または亜鉛化合物の水溶液を付与することにより行う。
水に不溶の沈殿を形成する化合物としては、塩化カルシウム、酢酸カルシウム、硝酸カルシウム、塩化マグネシウム、塩化亜鉛などが挙げられる。
Insolubilization of the chemicals present in the surface layer of wood is performed by applying an aqueous solution of a water-soluble alkaline earth metal compound or zinc compound, which is a reactant that can be formed as a water-insoluble precipitate. .
Examples of the compound that forms a precipitate insoluble in water include calcium chloride, calcium acetate, calcium nitrate, magnesium chloride, and zinc chloride.
薬剤を不溶化させる表層部の厚さは、０．１ｍｍ〜１．０ｍｍの範囲が好ましい。不溶化させる厚さが０．１ｍｍより小さいと、不溶化された表層部である第１バリア層が機能しにくく、表層部の下の薬剤が簡単に木材表面にまで移動し、白華現象の原因となる。
逆に不溶化層が１．０ｍｍを超えると不燃性、難燃性が低下する。また、不溶化時間が長くなり、生産効率が悪い。
The thickness of the surface layer for insolubilizing the drug is preferably in the range of 0.1 mm to 1.0 mm. If the thickness to be insolubilized is less than 0.1 mm, the first barrier layer, which is the insolubilized surface layer portion, is difficult to function, and the agent under the surface layer portion easily moves to the surface of the wood, causing the white flower phenomenon. Become.
On the other hand, if the insolubilized layer exceeds 1.0 mm, the incombustibility and flame retardancy are lowered. Moreover, insolubilization time becomes long and production efficiency is bad.
表層部の薬剤を不溶化した後、木材表面を防湿性の合成樹脂で水蒸気（気体や液体を含む）から遮断する。
ここで防湿性の合成樹脂としては、水蒸気遮断性の高い樹脂で、且つ木材接着力の高い樹脂が好ましい。
その上に更に耐候性塗料を塗布する場合は、それと接着力の高い樹脂が好ましい。
具体的には、無溶媒の熱硬化性樹脂が好ましく、例えば、エポキシ樹脂、不飽和ポリエステル樹脂、ビニルエステル樹脂、メチルメタクリレート樹脂等が挙げられる。
特に木材に対する密着性、低臭気性、或いは取り扱いの容易さの観点からエポキシ樹脂が優れている。
After insolubilizing the surface layer agent, the wood surface is shielded from water vapor (including gas and liquid) with a moisture-proof synthetic resin.
Here, as the moisture-proof synthetic resin, a resin having a high water vapor barrier property and a high wood adhesive force is preferable.
In the case where a weather-resistant paint is further applied thereon, a resin having high adhesive strength with it is preferable.
Specifically, a solventless thermosetting resin is preferable, and examples thereof include an epoxy resin, an unsaturated polyester resin, a vinyl ester resin, and a methyl methacrylate resin.
In particular, an epoxy resin is excellent from the viewpoint of adhesion to wood, low odor, or ease of handling.
熱硬化性樹脂を被覆する方法としては、先述した水溶液を付与する方法と同じ方法、例えばどぶ漬け、スプレー、ロール、刷毛等による塗布等が採用される。
このような方法で木材表面に塗布された熱硬化性樹脂は、内部に浸透して一定時間放置または加熱することで一定の深さの表層部に行き渡り、硬化される。
木材表面を熱硬化性樹脂被覆する厚さは、０．０１ｍｍ〜０．５ｍｍの範囲が好ましい。
０．０１ｍｍより小さいと、水蒸気遮断性が劣り、必ずしも十分な白華現象を防止できない。
逆に０．５ｍｍを超えると、熱硬化性樹脂の燃焼熱のため、難燃性、不燃性を損なう。
As a method of coating the thermosetting resin, the same method as the method of applying the aqueous solution described above, for example, application by soaking, spraying, roll, brush or the like is employed.
The thermosetting resin applied to the wood surface by such a method penetrates into the interior and is left for a certain period of time or heated to reach the surface layer portion of a certain depth and is cured.
The thickness for coating the wood surface with the thermosetting resin is preferably in the range of 0.01 mm to 0.5 mm.
If it is smaller than 0.01 mm, the water barrier property is inferior, and sufficient white flower phenomenon cannot always be prevented.
Conversely, if it exceeds 0.5 mm, flame retardancy and nonflammability are impaired due to the heat of combustion of the thermosetting resin.
以上のような溶脱防止方法により形成された木材を図２に模式的に示した。
ホウ素化合物またはリン酸化合物を含む薬剤１が木材Ａ全体に含浸されており、その木材Ａの表層部の薬剤が不溶化され固定される（不溶化層１Ａ）。
この表層部の不溶化層１Ａが木材内部の成分が表出するのを阻止するいわゆる第１バリア層として機能する。
The wood formed by the above leaching prevention method is schematically shown in FIG.
The chemical | medical agent 1 containing a boron compound or a phosphoric acid compound is impregnated to the whole wood A, and the chemical | medical agent of the surface layer part of the wood A is insolubilized and fixed (insolubilized
This
さらに、木材表面が防湿性の合成樹脂２（例えばエポキシ樹脂）で被覆され水蒸気から遮断され第２バリア層か形成される。
このように全体として２種類のバリア層が形成されるために確実な溶脱防止効果が発揮される。
次に本発明について実施例を挙げて説明するが、本発明は実施例に限定されることはない。
Furthermore, the wood surface is covered with a moisture-proof synthetic resin 2 (for example, epoxy resin) and shielded from water vapor to form a second barrier layer.
Thus, since two types of barrier layers are formed as a whole, a certain leaching prevention effect is exhibited.
Next, although an Example is given and this invention is demonstrated, this invention is not limited to an Example.
〔実施例１〕
常法によりホウ素化合物で不燃化した厚さ１８ｍｍ、幅１１５ｍｍ、長さ２０００ｍｍの木材表層部に存在するホウ素化合物を不溶化させるため、反応剤である５％塩化カルシウム水溶液に１分間浸漬した後、取り出し表面を布で拭い、乾燥させた。
引き続き木材表面を水蒸気から遮断するため、その上に、エポキシ樹脂Ｅ８１６Ａ（ジャパンエポキシレジン株式会社製商品名）（６０部）と硬化剤ＦＬ４５４（ジャパンエポキシレジン株式会社製商品名）（４０部）との混合樹脂をハケで厚さ０．０５ｍｍに塗布した。
常温で１週間養生硬化後、温度４０℃、湿度９５％の雰囲気下で１週間放置し、溶脱の程度を目視で観察した。
その結果を表１に示す。
[Example 1]
In order to insolubilize the boron compound existing in the surface layer of wood having a thickness of 18 mm, a width of 115 mm, and a length of 2000 mm, which has been incombustible with a boron compound by a conventional method, it is taken out after being immersed in a 5% calcium chloride aqueous solution as a reactant for 1 minute. The surface was wiped with a cloth and dried.
On top of that, epoxy resin E816A (trade name, manufactured by Japan Epoxy Resin Co., Ltd.) (60 parts) and curing agent FL454 (trade name, manufactured by Japan Epoxy Resin Co., Ltd.) (40 parts) The mixed resin was applied with a brush to a thickness of 0.05 mm.
After curing at room temperature for 1 week, it was left for 1 week in an atmosphere at a temperature of 40 ° C. and a humidity of 95%, and the degree of leaching was visually observed.
The results are shown in Table 1.
なお、不溶化層の厚さは、木材断面を切断研磨して、断面方向にスキャンしながらＸ線を照射し、カルシウムに対応する反射固有Ｘ線を検出して測定した。 The thickness of the insolubilized layer was measured by cutting and polishing a wood cross section, irradiating X-rays while scanning in the cross-sectional direction, and detecting reflected intrinsic X-rays corresponding to calcium.
〔実施例２〜実施例４〕
塩化カルシウムの濃度をそれぞれ０．１％（実施例２）、１．０％（実施例３）、及び１０％（実施例４）に変えた以外は、実施例１と同じ方法で実施を行った。
その結果を表１に示す。
[Examples 2 to 4]
Performed in the same manner as in Example 1 except that the concentration of calcium chloride was changed to 0.1% (Example 2), 1.0% (Example 3), and 10% (Example 4), respectively. It was.
The results are shown in Table 1.
〔実施例５〜実施例８〕
エポキシ樹脂の厚さをそれぞれ０．００５ｍｍ（実施例５）、０．０１ｍｍ（実施例６）、０．１０ｍｍ（実施例７）、及び０．５０ｍｍ（実施例８）に変えた以外は、実施例１と同じ方法で実施を行った。
その結果を表１に示す。
[Examples 5 to 8]
Except for changing the thickness of the epoxy resin to 0.005 mm (Example 5), 0.01 mm (Example 6), 0.10 mm (Example 7), and 0.50 mm (Example 8), respectively. Performed in the same manner as Example 1.
The results are shown in Table 1.
〔比較例１〕
実施例１で得たホウ素化合物で不燃化した厚さ１８ｍｍ、幅１１５ｍｍ、長さ２０００ｍｍの木材をそのまま温度４０℃、湿度９５％の雰囲気下で１週間放置し、溶脱の程度を目視で観察した。
その結果を表１に示す。
[Comparative Example 1]
Wood having a thickness of 18 mm, a width of 115 mm, and a length of 2000 mm incombustible with the boron compound obtained in Example 1 was left as it was for 1 week in an atmosphere of a temperature of 40 ° C. and a humidity of 95%, and the degree of leaching was visually observed. .
The results are shown in Table 1.
〔比較例２〕
実施例１で得たホウ素化合物で不燃化した厚さ１８ｍｍ、幅１１５ｍｍ、長さ２０００ｍｍの木材を反応剤である５％塩化カルシウム水溶液に１分間浸漬し、水溶液から取り出して、表面を布で拭い、乾燥させた。これにエポキシ樹脂を塗布せず温度４０℃、湿度９５％の雰囲気下で１週間放置し、溶脱の程度を目視で観察した。
その結果を表１に示す。
[Comparative Example 2]
Wood having a thickness of 18 mm, a width of 115 mm, and a length of 2000 mm incombustible with the boron compound obtained in Example 1 was immersed in a 5% aqueous solution of calcium chloride as a reactant for 1 minute, taken out from the aqueous solution, and the surface was wiped with a cloth. , Dried. An epoxy resin was not applied thereto, and the mixture was allowed to stand for 1 week in an atmosphere of a temperature of 40 ° C. and a humidity of 95%, and the degree of leaching was visually observed.
The results are shown in Table 1.
〔比較例３〕
実施例１で得たホウ酸化合物で不燃化した厚さ１８ｍｍ、幅１１５ｍｍ、長さ２０００ｍｍの木材表面の薬剤を不溶化せずに、水蒸気から遮断するため、その上に、エポキシ樹脂Ｅ８１６Ａ（ジャパンエポキシレジン株式会社製商品名）（６０部）と硬化剤ＦＬ４５４（ジャパンエポキシレジン株式会社製商品名）（４０部）との混合樹脂をハケで厚さ０．０５ｍｍに塗布した。常温で１週間養生硬化後、温度４０℃、湿度９５％の雰囲気下で１週間放置し、溶脱の程度を目視で観察した。その結果を表１に示す。
[Comparative Example 3]
In order to shield the chemicals on the surface of wood having a thickness of 18 mm, a width of 115 mm, and a length of 2000 mm incombustible with the boric acid compound obtained in Example 1 from water vapor without insolubilization, epoxy resin E816A (Japan Epoxy) Resin Co., Ltd. (trade name) (60 parts) and curing agent FL454 (Japan Epoxy Resin Co., Ltd., trade name) (40 parts) were mixed with a brush to a thickness of 0.05 mm. After curing at room temperature for 1 week, it was left for 1 week in an atmosphere at a temperature of 40 ° C. and a humidity of 95%, and the degree of leaching was visually observed. The results are shown in Table 1.
以上本発明を説明したが、本発明は、その実施の形態や実施例に限定されることなく種々の変形が可能である。例えば、木材に対する溶脱防止方法を述べたが、木材と同じようにセルロース系の材料にも適用可能である。 Although the present invention has been described above, the present invention is not limited to the embodiments and examples, and various modifications can be made. For example, although the method for preventing leaching of wood has been described, it can be applied to cellulosic materials as well as wood.
１．薬剤
１Ａ．不溶化層
２．合成樹脂（エポキシ樹脂）
Ａ．木材
1. Drug 1A. 1. Insolubilized layer Synthetic resin (epoxy resin)
A. wood
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005336920A JP2007136992A (en) | 2005-11-22 | 2005-11-22 | Method for preventing chemical agent impregnated in wood from being eluted and elution prevented wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005336920A JP2007136992A (en) | 2005-11-22 | 2005-11-22 | Method for preventing chemical agent impregnated in wood from being eluted and elution prevented wood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2007136992A true JP2007136992A (en) | 2007-06-07 |
Family
ID=38200423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005336920A Pending JP2007136992A (en) | 2005-11-22 | 2005-11-22 | Method for preventing chemical agent impregnated in wood from being eluted and elution prevented wood |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2007136992A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011152785A (en) * | 2009-12-28 | 2011-08-11 | Nisshin Chem Ind Co Ltd | Method for treating lumber and lumber treated with the method |
| JP2012121274A (en) * | 2010-12-10 | 2012-06-28 | Hiroshima Prefecture | Flame-retardant treatment method for wood material, and woody fire-preventive material |
| JP2016043685A (en) * | 2014-08-27 | 2016-04-04 | 大建工業株式会社 | Fireproof woody material |
| JP2017136857A (en) * | 2017-03-21 | 2017-08-10 | 大建工業株式会社 | Fireproof wood |
| JP2018052019A (en) * | 2016-09-30 | 2018-04-05 | 大建工業株式会社 | Incombustible wood |
| JP2020026038A (en) * | 2018-08-09 | 2020-02-20 | 株式会社ノダ | Method for manufacturing fire-resistant woody fiber board |
-
2005
- 2005-11-22 JP JP2005336920A patent/JP2007136992A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011152785A (en) * | 2009-12-28 | 2011-08-11 | Nisshin Chem Ind Co Ltd | Method for treating lumber and lumber treated with the method |
| JP2012121274A (en) * | 2010-12-10 | 2012-06-28 | Hiroshima Prefecture | Flame-retardant treatment method for wood material, and woody fire-preventive material |
| JP2016043685A (en) * | 2014-08-27 | 2016-04-04 | 大建工業株式会社 | Fireproof woody material |
| JP2018052019A (en) * | 2016-09-30 | 2018-04-05 | 大建工業株式会社 | Incombustible wood |
| JP2017136857A (en) * | 2017-03-21 | 2017-08-10 | 大建工業株式会社 | Fireproof wood |
| JP2020026038A (en) * | 2018-08-09 | 2020-02-20 | 株式会社ノダ | Method for manufacturing fire-resistant woody fiber board |
| JP7149762B2 (en) | 2018-08-09 | 2022-10-07 | 株式会社ノダ | Method for producing flame-retardant wood fiber board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2007136992A (en) | Method for preventing chemical agent impregnated in wood from being eluted and elution prevented wood | |
| JP5729718B2 (en) | Flame-retardant treatment method for wood materials and wood fireproof materials | |
| JP2004050828A (en) | Noncombustible treatment solution and fireproofing material using the same | |
| JP6894099B2 (en) | Wood-based material treatment agent composition, treatment method of wood-based material and wood-based material treated by it | |
| KR101256627B1 (en) | Wood fire door and manufacturing method thereof | |
| JPS6239201A (en) | Manufacture of improved wood | |
| JP2007216661A (en) | Flame resistant wood | |
| JP2020100087A (en) | Process method of wood | |
| JP3102473U (en) | Wooden timber impregnated with flame retardant | |
| JPH04173102A (en) | Fire-resisting wood working product and manufacture thereof | |
| JPS63237902A (en) | Manufacture of improved wood | |
| JPH0260704A (en) | Manufacture of modified wood | |
| JPH03169601A (en) | Fire retardant treatment of wood | |
| JPH02162001A (en) | Manufacture of modified wood | |
| JPH0657402B2 (en) | Modified wood manufacturing method | |
| JPH03201A (en) | Manufacture of modified wood | |
| KR20160137896A (en) | Flame retardant for wood and its treatment method | |
| JPS62275703A (en) | Manufacture of improved wood | |
| JPH02258201A (en) | Manufacture of modified wood | |
| JPH04259503A (en) | Modified wood and its manufacture | |
| JP2005194319A (en) | Flame retardant treatment liquid and flame retardant material treated with the same | |
| JPH11268008A (en) | Flame-retarding composition and flame-retarding treatment process for woody material | |
| JPS6351103A (en) | Manufacture of improved wood | |
| JPH0245103A (en) | Wood modification treatment method | |
| JPH02307703A (en) | Manufacture of modified wood |