JP5085041B2 - Antiseptic / antifungal chemical composition and method for producing antiseptic / antifungal dry wood - Google Patents
Antiseptic / antifungal chemical composition and method for producing antiseptic / antifungal dry wood Download PDFInfo
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- JP5085041B2 JP5085041B2 JP2006011779A JP2006011779A JP5085041B2 JP 5085041 B2 JP5085041 B2 JP 5085041B2 JP 2006011779 A JP2006011779 A JP 2006011779A JP 2006011779 A JP2006011779 A JP 2006011779A JP 5085041 B2 JP5085041 B2 JP 5085041B2
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- 229940121375 antifungal agent Drugs 0.000 title claims description 103
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- TWFZGCMQGLPBSX-UHFFFAOYSA-N carbendazim Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 claims description 9
- ACVDIFJORTYZNH-UHFFFAOYSA-N 2,3,5,6-tetrachloro-4-(sulfonylmethyl)pyridine Chemical compound ClC1=NC(Cl)=C(Cl)C(C=S(=O)=O)=C1Cl ACVDIFJORTYZNH-UHFFFAOYSA-N 0.000 claims description 5
- PUSPAPGHKSLKKH-UHFFFAOYSA-N 2-methyl-1,2-thiazolidin-3-one Chemical compound CN1SCCC1=O PUSPAPGHKSLKKH-UHFFFAOYSA-N 0.000 claims description 5
- CXIVKQSIEXBSRQ-UHFFFAOYSA-N 4,5-dichloro-2-octyl-1,2-thiazolidin-3-one Chemical compound CCCCCCCCN1SC(Cl)C(Cl)C1=O CXIVKQSIEXBSRQ-UHFFFAOYSA-N 0.000 claims description 5
- LUYIHWDYPAZCNN-UHFFFAOYSA-N 2-butyl-1,2-benzothiazol-3-one Chemical compound C1=CC=C2C(=O)N(CCCC)SC2=C1 LUYIHWDYPAZCNN-UHFFFAOYSA-N 0.000 claims description 4
- WYVVKGNFXHOCQV-UHFFFAOYSA-N 3-iodoprop-2-yn-1-yl butylcarbamate Chemical compound CCCCNC(=O)OCC#CI WYVVKGNFXHOCQV-UHFFFAOYSA-N 0.000 claims description 4
- AVGVFDSUDIUXEU-UHFFFAOYSA-N 2-octyl-1,2-thiazolidin-3-one Chemical compound CCCCCCCCN1SCCC1=O AVGVFDSUDIUXEU-UHFFFAOYSA-N 0.000 claims description 3
- DHNRXBZYEKSXIM-UHFFFAOYSA-N chloromethylisothiazolinone Chemical compound CN1SC(Cl)=CC1=O DHNRXBZYEKSXIM-UHFFFAOYSA-N 0.000 claims description 3
- 229940099451 3-iodo-2-propynylbutylcarbamate Drugs 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000003139 biocide Substances 0.000 claims 1
- 239000003429 antifungal agent Substances 0.000 description 38
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- 238000000034 method Methods 0.000 description 18
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- AQIXEPGDORPWBJ-UHFFFAOYSA-N pentan-3-ol Chemical compound CCC(O)CC AQIXEPGDORPWBJ-UHFFFAOYSA-N 0.000 description 4
- PXMNMQRDXWABCY-UHFFFAOYSA-N 1-(4-chlorophenyl)-4,4-dimethyl-3-(1H-1,2,4-triazol-1-ylmethyl)pentan-3-ol Chemical compound C1=NC=NN1CC(O)(C(C)(C)C)CCC1=CC=C(Cl)C=C1 PXMNMQRDXWABCY-UHFFFAOYSA-N 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 3
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- JWZXKXIUSSIAMR-UHFFFAOYSA-N methylene bis(thiocyanate) Chemical compound N#CSCSC#N JWZXKXIUSSIAMR-UHFFFAOYSA-N 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
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- -1 1,2,4-triazol-1-ylmethyl Chemical group 0.000 description 2
- TUBQDCKAWGHZPF-UHFFFAOYSA-N 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate Chemical compound C1=CC=C2SC(SCSC#N)=NC2=C1 TUBQDCKAWGHZPF-UHFFFAOYSA-N 0.000 description 2
- GDMDOMRUYVLLHM-UHFFFAOYSA-N 2-(1-iodoethyl)pentyl carbamate Chemical compound CCCC(C(C)I)COC(N)=O GDMDOMRUYVLLHM-UHFFFAOYSA-N 0.000 description 2
- XDMYYHWZRFUZSZ-UHFFFAOYSA-N 4-chloro-2-methyl-1,2-thiazolidin-3-one Chemical compound CN1SCC(Cl)C1=O XDMYYHWZRFUZSZ-UHFFFAOYSA-N 0.000 description 2
- 239000006013 carbendazim Substances 0.000 description 2
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- DVQHRBFGRZHMSR-UHFFFAOYSA-N sodium methyl 2,2-dimethyl-4,6-dioxo-5-(N-prop-2-enoxy-C-propylcarbonimidoyl)cyclohexane-1-carboxylate Chemical compound [Na+].C=CCON=C(CCC)[C-]1C(=O)CC(C)(C)C(C(=O)OC)C1=O DVQHRBFGRZHMSR-UHFFFAOYSA-N 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- HSQFVBWFPBKHEB-UHFFFAOYSA-N 2,3,4-trichlorophenol Chemical compound OC1=CC=C(Cl)C(Cl)=C1Cl HSQFVBWFPBKHEB-UHFFFAOYSA-N 0.000 description 1
- PORQOHRXAJJKGK-UHFFFAOYSA-N 4,5-dichloro-2-n-octyl-3(2H)-isothiazolone Chemical compound CCCCCCCCN1SC(Cl)=C(Cl)C1=O PORQOHRXAJJKGK-UHFFFAOYSA-N 0.000 description 1
- DDPJJWIKEDDECP-UHFFFAOYSA-N 4-methyl-1,2-thiazolidin-3-one Chemical compound CC1CSNC1=O DDPJJWIKEDDECP-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical class OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 239000005839 Tebuconazole Substances 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- WOUDXEYYJPOSNE-UHFFFAOYSA-N bicyclomycin Natural products N1C(=O)C2(O)NC(=O)C1(C(O)C(O)(CO)C)OCCC2=C WOUDXEYYJPOSNE-UHFFFAOYSA-N 0.000 description 1
- ALDCPEBFUITPFV-UHFFFAOYSA-N butyl n-(3-iodoprop-2-ynyl)carbamate Chemical compound CCCCOC(=O)NCC#CI ALDCPEBFUITPFV-UHFFFAOYSA-N 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
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- 230000000855 fungicidal effect Effects 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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- MQXVYODZCMMZEM-ZYUZMQFOSA-N mannomustine Chemical compound ClCCNC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CNCCCl MQXVYODZCMMZEM-ZYUZMQFOSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- Chemical And Physical Treatments For Wood And The Like (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
本発明は、未乾燥木材を防腐・防カビ処理するための防腐・防カビ性薬剤組成物、および、未乾燥木材を該薬剤組成物で処理した後、人工乾燥する防腐・防カビ性乾燥木材の製造方法に関する。 The present invention relates to an antiseptic / antifungal chemical composition for treating undried wood with an antiseptic / antifungal treatment, and an antiseptic / antifungal dry timber that is artificially dried after treating the undried wood with the chemical composition. It relates to the manufacturing method.
一般に、丸太から製剤した直後の製品は、伐倒後の生材に近い含水率を示し、針葉樹の辺材では１００〜２００重量％程度、同じく心材で３０〜６０重量％程度、広葉樹では辺材と心材の違いがなく６０〜２００重量％程度の範囲ある。このような生材は飽水状態に近いので、菌に侵されにくく、保存には比較的適した状態にあるといえる。これに対し、乾燥が進行中の木材では、菌の繁殖に必要な水分と酸素がほどほどに供給され、菌害を生じやすくなる。例えば、十分に乾燥していない製材品を材面の湿度が高くなるような状態で貯蔵していると、樹種によっては、カビや変色が発生する場合がある。 In general, the product immediately after the preparation from the log shows a moisture content close to that of the raw material after felling, about 100 to 200% by weight for coniferous sapwood, about 30 to 60% by weight for heartwood, and sapwood for hardwood. There is no difference between the core material and the range of about 60 to 200% by weight. Since such raw materials are almost saturated, they are not easily attacked by bacteria and can be said to be relatively suitable for storage. On the other hand, in the wood in which drying is in progress, moisture and oxygen necessary for the propagation of the bacteria are moderately supplied, and the bacteria are easily caused. For example, if a lumber product that is not sufficiently dried is stored in a state where the humidity of the material surface is high, mold or discoloration may occur depending on the tree species.
このような不都合を避けるべく、従来から、木材を防腐・防カビ剤で処理することが行われてきた。例えば、切り出した木材を製材化してグリン材とし、このグリン材を防腐・防カビ剤を含有する薬液（水溶液）中に浸漬することにより、防腐・防カビ性グリン材として出荷することが行われてきた。
また、このようなグリン材を防腐・防カビ処理するための防腐・防カビ性薬剤組成物も数多く開発されている（例えば、特許文献１〜４など）。
In order to avoid such inconvenience, conventionally, wood has been treated with an antiseptic / antifungal agent. For example, the cut wood is processed into a green material, and the green material is immersed in a chemical solution (aqueous solution) containing an antiseptic / antifungal agent and shipped as an antiseptic / antifungal green material. I came.
In addition, many antiseptic / antifungal pharmaceutical compositions for treating such a green material with antiseptic / antifungal treatment have been developed (for example, Patent Documents 1 to 4).
一方、生木と言われる切り出したばかりの木材は含水率が高いため、強度が弱く、形状も安定していない。また、時間の経過とともに乾燥し、乾燥していく過程で収縮し、割れや反りが発生しやすい。
このため、近年においては、生木を、キルン式乾燥装置などの乾燥装置により、人工的に乾燥（人工乾燥）して、含水率が２５重量％以下の乾燥木材（ＫＤ材ともいう）とする方法が開発されている。
On the other hand, freshly cut wood called fresh wood has a high moisture content, so its strength is weak and its shape is not stable. Moreover, it dries with time, shrinks in the course of drying, and easily breaks and warps.
Therefore, in recent years, raw wood is artificially dried (artificial drying) by a drying device such as a kiln-type drying device to obtain dry wood (also referred to as KD material) having a moisture content of 25% by weight or less. A method has been developed.
このようにして得られる乾燥木材は、耐久性に優れ、腐りにくく、カビ類などの発生も少ないものであるが、防腐・防カビの効果は不十分であり、より耐久性に優れ、腐りにくく、カビ類の発生のない乾燥木材の開発が要望されているのが現状である。 Dried wood obtained in this way has excellent durability, is resistant to decay, and is less prone to mold generation, but has insufficient antiseptic and antifungal effects, is more durable and is less susceptible to decay. Currently, there is a demand for the development of dry wood free of molds.
本発明は、このような従来技術の実情に鑑みてなされたものであり、含水率が高い未乾燥木材を防腐・防カビ処理するための防腐・防カビ性薬剤組成物、および、この防腐・防カビ性薬剤組成物を用いて未乾燥木材の防腐・防カビ処理を行った後、人工乾燥することにより、含水率が低い、防腐・防カビ性乾燥木材を製造する方法を提供することを課題とする。 The present invention has been made in view of such a state of the art, and an antiseptic / antifungal chemical composition for antiseptic / antifungal treatment of undried wood having a high moisture content, and the antiseptic / antifungal agent It is intended to provide a method for producing anti-fungal and anti-fungal dry wood having a low moisture content by performing antiseptic and anti-fungal treatment on undried wood using an anti-fungal chemical composition and then artificially drying it. Let it be an issue.
本発明者らは上記課題を解決すべく、鋭意研究した結果、未乾燥木材の状態で、特定の防腐・防カビ性薬剤組成物を用いて防腐・防カビ処理を行った後に、人工乾燥を行うと、効率よく防腐・防カビ性乾燥木材が製造できることを見出した。 As a result of diligent research to solve the above problems, the present inventors have conducted artificial drying after performing antiseptic / antifungal treatment using a specific antiseptic / antifungal agent composition in the state of undried wood. When it did, it discovered that antiseptic and antifungal dry wood could be manufactured efficiently.
また、人工乾燥を行う方式として、内壁がアルミニウムなどの腐食性金属材料から形成されてなるキルン式乾燥装置を用いる方法を採用する場合であっても、特定の防腐・防カビ剤を含有する薬液により防腐・防カビ処理を行ったものであれば、該キルン式乾燥装置の内壁が腐食することがないことを見出し、本発明を完成するに至った。 In addition, even when a method using a kiln type drying apparatus in which the inner wall is formed of a corrosive metal material such as aluminum is adopted as a method for artificial drying, a chemical solution containing a specific antiseptic / antifungal agent As a result, it was found that the inner wall of the kiln-type drying apparatus does not corrode if it was subjected to antiseptic / antifungal treatment, and the present invention was completed.
かくして本発明の第１によれば、含水率が３０重量％以上の未乾燥木材を、防腐・防カビ処理するための防腐・防カビ性薬剤組成物であって、ベンズイミダゾール−２−イルカルバミン酸メチル、２，３，５，６−テトラクロロ−４−スルホニルメチルピリジン、２−メチルイソチアゾリン−３−オン、４−クロロ−２−メチルイソチアゾリン−３−オン、４，５−ジクロロ−２−ｎ−オクチルイソチアゾリン−３−オン、２−ｎ−オクチルイソチアゾリン−３−オン、３−ヨード−２−プロピニルブチルカーバメイト、２−（４−チオシアノメチルチオ）ベンゾチアゾール、メチレンビスチオシアネート、ｎ−ブチル−１，２−ベンズイソチアゾリン−３−オン、および（ＲＳ）−１−ｐ−クロロフェニル−４，４−ジメチル−３−（１Ｈ−１，２，４−トリアゾール−１−イルメチル）ペンタン−３−オールからなる群から選ばれる少なくとも一種の防腐・防カビ剤を含有することを特徴とする防腐・防カビ性薬剤組成物が提供される。 Thus, according to the first aspect of the present invention, there is provided an antiseptic / antifungal pharmaceutical composition for preserving antifungal treatment of undried wood having a water content of 30% by weight or more, comprising benzimidazol-2-ylcarbamine Acid methyl, 2,3,5,6-tetrachloro-4-sulfonylmethylpyridine, 2-methylisothiazolin-3-one, 4-chloro-2-methylisothiazolin-3-one, 4,5-dichloro-2- n-octylisothiazolin-3-one, 2-n-octylisothiazolin-3-one, 3-iodo-2-propynylbutylcarbamate, 2- (4-thiocyanomethylthio) benzothiazole, methylenebisthiocyanate, n-butyl- 1,2-benzisothiazolin-3-one, and (RS) -1-p-chlorophenyl-4,4-dimethyl-3- (1H An antiseptic / antifungal pharmaceutical composition comprising at least one antiseptic / antifungal agent selected from the group consisting of 1,2,4-triazol-1-ylmethyl) pentan-3-ol is provided. The
本発明の防腐・防カビ性薬剤組成物は、キルン式乾燥装置の内壁を構成する金属材料に対して耐腐食性であることが好ましく、アルミニウムまたはステンレスに対して耐腐食性であることがより好ましい。 The antiseptic / antifungal agent composition of the present invention is preferably resistant to the metal material constituting the inner wall of the kiln-type drying apparatus, and more preferably resistant to aluminum or stainless steel. preferable.
また、本発明の防腐・防カビ性薬剤組成物においては、前記含水率が３０重量％以上の未乾燥木材が、防腐・防カビ処理した後、人工乾燥することにより、含水率が２５重量％以下の乾燥木材を製造するための木材であることが好ましい。 In the antiseptic / antifungal agent composition of the present invention, the hydrated wood having a moisture content of 30% by weight or more is subjected to an antiseptic / antifungal treatment and then artificially dried, whereby the moisture content is 25% by weight. It is preferable that the wood is for producing the following dry wood.
本発明の第２によれば、含水率が３０重量％以上の未乾燥木材を、本発明の防腐・防カビ性薬剤組成物で処理した後、人工乾燥することにより、含水率が２５重量％以下の乾燥木材を得ることを特徴とする防腐・防カビ性乾燥木材の製造方法が提供される。
本発明の防腐・防カビ性乾燥木材の製造方法においては、含水率が３０重量％以上の未乾燥木材を、本発明で処理した後、キルン式の乾燥装置を用いて人工乾燥することが好ましい。
According to the second aspect of the present invention, an undried wood having a moisture content of 30% by weight or more is treated with the antiseptic / antifungal agent composition of the present invention, and then artificially dried to obtain a moisture content of 25% by weight. There is provided a method for producing antiseptic / antifungal dry wood characterized in that the following dry wood is obtained.
In the method for producing antiseptic / antifungal dry wood of the present invention, it is preferable to artificially dry an undried wood having a moisture content of 30% by weight or more using a kiln type drying apparatus after the treatment in the present invention. .
本発明によれば、未乾燥木材の状態で防腐・防カビ処理するための防腐・防カビ性薬剤組成物が提供される。
本発明の防腐・防カビ性薬剤組成物は、防腐・防カビ性処理を行った後に、内壁がアルミニウムなどの腐食性金属材料から形成されてなるキルン式乾燥装置を用いて人工乾燥した場合であっても、該キルン式乾燥装置の内壁が腐食することがないものである。
According to the present invention, there is provided an antiseptic / antifungal chemical composition for antiseptic / antifungal treatment in the state of undried wood.
The antiseptic / antifungal agent composition of the present invention is a case where after the antiseptic / antifungal treatment, the inner wall is artificially dried using a kiln-type drying device formed of a corrosive metal material such as aluminum. Even if it exists, the inner wall of this kiln type drying apparatus will not corrode.
本発明によれば、本発明の防腐・防カビ性薬剤組成物を用いて、未乾燥木材の防腐・防カビ処理した後、人工乾燥することにより、防腐・防カビ性乾燥木材を製造することができる。
本発明の製造方法によれば、未乾燥木材の防腐・防カビ性処理を行った後に、内壁がアルミニウムなどの腐食性金属材料から形成されてなるキルン式乾燥装置を用いて人工乾燥した場合であっても、長期にわたり安定して、防腐・防カビ性乾燥木材を製造することができる。
According to the present invention, using the antiseptic / antifungal agent composition of the present invention, antiseptic / antifungal dry wood is produced by subjecting undried wood to antiseptic / antifungal treatment and then artificial drying. Can do.
According to the production method of the present invention, after the undried wood has been subjected to antiseptic / antifungal treatment, the inner wall is artificially dried using a kiln type drying apparatus formed of a corrosive metal material such as aluminum. Even in such a case, it is possible to produce antiseptic / antifungal dry wood stably over a long period of time.
本発明の製造方法により得られる防腐・防カビ性乾燥木材は、優れた防腐・防カビ性を有し、乾燥後において、再度防腐・防カビ処理を行う必要がない。 The antiseptic / antifungal dry wood obtained by the production method of the present invention has excellent antiseptic / antifungal properties, and does not need to be subjected to antiseptic / antifungal treatment again after drying.
以下、本発明を、１）防腐・防カビ性薬剤組成物、および、２）防腐・防カビ性乾燥木材の製造方法に項分けして、詳細に説明する。 Hereinafter, the present invention will be described in detail by dividing it into 1) an antiseptic / antifungal chemical composition and 2) a method for producing an antiseptic / antifungal dry wood.
１）防腐・防カビ性薬剤組成物
本発明の防腐・防カビ性薬剤組成物は、含水率が３０重量％以上の未乾燥木材を、防腐・防カビ処理するための防腐・防カビ性薬剤組成物である。
また本発明に用いる防腐・防カビ性薬剤組成物は、ベンズイミダゾール−２−イルカルバミン酸メチル（カルベンダジム、Ｃａｒｂｅｎｄａｚｉｍ、ＢＣＭ、ＣＡＳ番号１０６０５−２１−７、既存化学物質番号５−４６５）、２，３，５，６−テトラクロロ−４−スルホニルメチルピリジン（ＴＣＭＳＰ、ＣＡＳ番号１３１０８−５２−６、既存化学物質番号９−８５７）、２−メチルイソチアゾリン−３−オン（ＭＩＴ、ＣＡＳ番号２６８２−２０−４、既存化学物質番号５−５２３５）、４−クロロ−２−メチルイソチアゾリン−３−オン（Ｃｌ−ＭＩＴ、ＣＭＩ、ＣＡＳ番号２６１７２−５５−４、既存化学物質番号９−３７８）、４，５−ジクロロ−２−ｎ−オクチルイソチアゾリン−３−オン（ＤＣＯＩＴ、ＣＡＳ番号６４３５９−８１−５、既存化学物質番号５−６１６５）、２−ｎ−オクチルイソチアゾリン−３−オン（ＯＩＴ、ＣＡＳ番号２６５３０−２０−１、既存化学物質番号５−５２４６）、３−ヨード−２−プロピニルブチルカーバメイト（ＩＰＢＣ、ＣＡＳ番号５５４０６−５３−６、既存化学物質番号２−３４５６）、２−（４−チオシアノメチルチオ）ベンゾチアゾール（ＴＣＭＴＢ、ＣＡＳ番号２１５６４−１７−０、既存化学物質番号５−３４２４）、メチレンビスチオシアネート（ＭＢＴ、ＣＡＳ番号６３１７−１８−６）、ｎ−ブチル−１，２−ベンズイソチアゾリン−３−オン（ブチルＢＩＴ、ＣＡＳ番号４２９９−０７−４、既存化学物質番号５−６５１２）、および（ＲＳ）−１−ｐ−クロロフェニル−４，４−ジメチル−３−（１Ｈ−１，２，４−トリアゾール−１−イルメチル）ペンタン−３−オール（テブコナゾール、Ｔｅｂｕｃｏｎａｚｏｌ、ＣＡＳ番号１０７５３４−９６−３）からなる群から選ばれる少なくとも一種を活性成分として含有する。
1) Antiseptic / antifungal agent composition The antiseptic / antifungal agent composition of the present invention is an antiseptic / antifungal agent for treating an undried wood having a moisture content of 30% by weight or more with antiseptic / antifungal treatment. It is a composition.
The antiseptic / antifungal agent composition used in the present invention is methyl benzimidazol-2-ylcarbamate (carbendazim, Carbendazim, BCM, CAS No. 10605-21-7, existing chemical No. 5-465), 2 , 3,5,6-tetrachloro-4-sulfonylmethylpyridine (TCMSP, CAS number 13108-52-6, existing chemical number 9-857), 2-methylisothiazolin-3-one (MIT, CAS number 2682-) 20-4, existing chemical number 5-5235), 4-chloro-2-methylisothiazolin-3-one (Cl-MIT, CMI, CAS number 26172-55-4, existing chemical number 9-378), 4 , 5-dichloro-2-n-octylisothiazolin-3-one (DCOIT, CAS No. 6435) -81-5, existing chemical number 5-6165), 2-n-octylisothiazolin-3-one (OIT, CAS number 26530-20-1, existing chemical number 5-5246), 3-iodo-2- Propinylbutyl carbamate (IPBC, CAS number 55406-53-6, existing chemical number 2-3456), 2- (4-thiocyanomethylthio) benzothiazole (TCMTB, CAS number 21564-17-0, existing chemical number 5 3424), methylene bis thiocyanate (MBT, CAS number 6317-18-6), n-butyl-1,2-benzisothiazolin-3-one (butyl BIT, CAS number 4299-07-4, existing chemical number 5) -6512), and (RS) -1-p-chlorophenyl-4,4-dimethyl-3- ( H-1,2,4-triazol-1-ylmethyl) pentan-3-ol (tebuconazole, containing Tebuconazol, at least one selected from the group consisting of CAS No. 107534-96-3) as an active ingredient.
これらの化合物（以下、「活性成分」ということがある）は、木質材料に対して、防腐・防カビ作用を有するものとして公知である。
本発明においては、これらの活性成分を一種単独で、あるいは二種以上を混合して用いることができる。
These compounds (hereinafter sometimes referred to as “active ingredients”) are known to have antiseptic and antifungal effects on wood materials.
In the present invention, these active ingredients can be used singly or in combination of two or more.
本発明の防腐・防カビ性薬剤組成物において、上記活性成分の含有量（２種以上からなる場合には合計量）は、組成物全体に対して、通常０．０１〜５０重量％、好ましくは０．１〜３０重量％である。 In the antiseptic / antifungal agent composition of the present invention, the content of the active ingredient (total amount in the case of comprising two or more) is usually 0.01 to 50% by weight, preferably Is 0.1 to 30% by weight.
本発明の防腐・防カビ性薬剤組成物は、上記活性成分の一種または二種以上のほか、陰イオン性界面活性剤、陽イオン性界面活性剤、非イオン性界面活性剤、両性イオン界面活性剤などの界面活性剤；リン酸塩、リン酸水素塩などのｐＨ調整剤；乳化剤；グリコール類、水などの溶剤；を含有する。 The antiseptic / antifungal agent composition of the present invention includes one or more of the above active ingredients, an anionic surfactant, a cationic surfactant, a nonionic surfactant, and an amphoteric surfactant. Surfactants such as agents; pH adjusters such as phosphates and hydrogen phosphates; emulsifiers; solvents such as glycols and water.
これらの界面活性剤、ｐＨ調整剤、乳化剤、溶剤などは、それぞれ一種単独で、あるいは二種以上を組み合わせて用いることができる。 These surfactants, pH adjusters, emulsifiers, solvents and the like can be used alone or in combination of two or more.
本発明の防腐・防カビ性薬剤組成物に用いる、界面活性剤、ｐＨ調整剤、乳化剤、溶剤などは、特に制限されず、工業用防腐・防カビ性組成物に含有させることができるものとして従来公知のものを用いることができる。 The surfactant, pH adjuster, emulsifier, solvent and the like used in the antiseptic / antifungal pharmaceutical composition of the present invention are not particularly limited, and can be contained in an industrial antiseptic / antifungal composition. A conventionally well-known thing can be used.
本発明の防腐・防カビ性薬剤組成物の具体例としては、特開平２−２２２０７号公報、特開平２−２３３６０３号公報、特開平３−２５１５０８号公報、特開平７−１３３２０５号公報、特開平８−１５７３０４号公報、特開平１０−１３０１０８号公報、特開平１１−１３０６１０号公報、特開平１１−２２８３０２号公報、特開２００３−７３２１３号公報、特開２００３−２６７８０６号公報、特開２００５−４７０５６号公報、特開２００３−７３２１１号公報、特開２００５−４７０５６号公報などが挙げられる。 Specific examples of the antiseptic / antifungal agent composition of the present invention include JP-A-2-22207, JP-A-2-233603, JP-A-3-251508, JP-A-7-133205, Japanese Unexamined Patent Publication Nos. 8-157304, 10-130108, 11-130610, 11-228302, 2003-73213, 2003-267806, 2005 -47056 gazette, Unexamined-Japanese-Patent No. 2003-73211, Unexamined-Japanese-Patent No. 2005-47056 etc. are mentioned.
本発明の防腐・防カビ性薬剤組成物の特に好ましい具体例としては、ミルカット８８Ａ，ミルカット８８Ｂ（いずれも日本曹達（株）の商品名）、およびこれらの組み合わせが挙げられる。 As a particularly preferable specific example of the antiseptic / antifungal agent composition of the present invention, Millcut 88A, Millcut 88B (both are trade names of Nippon Soda Co., Ltd.), and combinations thereof can be mentioned.
本発明の防腐・防カビ性薬剤組成物は、キルン式乾燥装置の内壁を構成する金属材料に対して耐腐食性であることが好ましく、アルミニウムまたはステンレスに対して耐腐食性であることがより好ましい。これらについては、後述する本発明の防腐・防カビ性乾燥木材の製造方法の項で詳細に説明する。 The antiseptic / antifungal agent composition of the present invention is preferably resistant to the metal material constituting the inner wall of the kiln-type drying apparatus, and more preferably resistant to aluminum or stainless steel. preferable. These will be described in detail in the section of the method for producing antiseptic / antifungal dry wood of the present invention described later.
本発明の防腐・防カビ性薬剤組成物が処理の対象とする未乾燥木材は、含水率が３０重量％以上、好ましくは５０重量％以上、より好ましくは６０重量％以上の木質材料である。木質材料としては、含水量が３０重量％以上のものであれば、特に制限されない。また、未乾燥木材の大きさや形状なども、特に制限されない。具体的には、生木を適当な大きさに切断し、樹皮部分を剥離したもの（製材前の半製品）が挙げられる。 The undried wood to be treated by the antiseptic / antifungal agent composition of the present invention is a woody material having a moisture content of 30% by weight or more, preferably 50% by weight or more, more preferably 60% by weight or more. The wood material is not particularly limited as long as the water content is 30% by weight or more. Further, the size and shape of the undried wood are not particularly limited. Specifically, a raw tree is cut into an appropriate size and the bark portion is peeled off (a semi-finished product before sawing).
また、後述するように、本発明の防腐・防カビ性薬剤組成物においては、前記含水率が３０重量％以上の未乾燥木材が、防腐・防カビ処理した後、人工乾燥することにより含水率が２５重量％以下の乾燥木材を製造するための未乾燥木材であることが好ましい。 Further, as will be described later, in the antiseptic / antifungal agent composition of the present invention, the moisture content is obtained by artificially drying the undried wood having a moisture content of 30% by weight or more after the antiseptic / antifungal treatment. Is preferably undried wood for producing 25% by weight or less of dry wood.
未乾燥木材の含水率の測定法としては、全乾法（試験片を１０５℃の恒温乾燥器中で恒量に達するまで乾燥し、乾燥前後の重量差の乾燥後重量に対する百分率をもって含水率とする方法）と、電気式含水率計による方法とがある。このうち正確なのは前者であるが、手間と時間を要するため、現場では後者によることが多い。また、電気式含水率計には、抵抗型と高周波型がある。 As a method for measuring the moisture content of the undried wood, the total dry method (test piece is dried in a constant temperature dryer at 105 ° C. until reaching a constant weight, and the moisture content is defined as a percentage of the weight after drying of the weight difference before and after drying. Method) and a method using an electric moisture meter. Of these, the former is correct, but it takes time and effort, so the latter is often used in the field. Moreover, there are a resistance type and a high frequency type in the electric moisture content meter.
本発明の防腐・防カビ性薬剤組成物により含水率が３０重量％以上の未乾燥木材を処理する方法としては、未乾燥木材の少なくとも表面部に本発明の防腐・防カビ性薬剤組成物の塗膜を形成することができる方法であれば、特に制限されない。 As a method of treating undried wood having a moisture content of 30% by weight or more with the antiseptic / antifungal agent composition of the present invention, the antiseptic / antifungal agent composition of the present invention is applied to at least the surface portion of the undried wood. If it is a method which can form a coating film, it will not restrict | limit in particular.
例えば、本発明の防腐・防カビ性薬剤組成物（または本発明の防腐・防カビ性薬剤組成物の水希釈液）中に未乾燥木材を浸漬する方法、未乾燥木材の表面部に本発明の防腐・防カビ性薬剤組成物（または本発明の防腐・防カビ性薬剤組成物の水希釈液）をハケまたはローラにより塗布する方法、未乾燥木材の表面部に本発明の防腐・防カビ性薬剤組成物（または本発明の防腐・防カビ性薬剤組成物の水希釈液）をスプレーコートする方法などが挙げられる。なかでも、操作性の観点から、本発明の防腐・防カビ性薬剤組成物（または本発明の防腐・防カビ性薬剤組成物の水希釈液）中に未乾燥木材を浸漬する方法が好ましい。 For example, the method of immersing undried wood in the antiseptic / antifungal agent composition of the present invention (or the water dilution of the antiseptic / antifungal agent composition of the present invention), the present invention on the surface of undried wood The antiseptic / antifungal agent composition (or the aqueous dilution of the antiseptic / antifungal agent composition of the present invention) is applied by brush or roller, and the antiseptic / antifungal agent of the present invention is applied to the surface of undried wood. And a method of spray-coating a water-soluble pharmaceutical composition (or a water-diluted solution of the antiseptic / antifungal pharmaceutical composition of the present invention). Among these, from the viewpoint of operability, the method of immersing undried wood in the antiseptic / antifungal agent composition of the present invention (or the water-diluted solution of the antiseptic / antifungal agent composition of the present invention) is preferable.
なお、本発明の防腐・防カビ性薬剤組成物の水希釈液を用いる場合には、水の希釈倍率は、特に制限されないが、通常１０〜１０００倍、好ましくは５０〜５００倍である。また、希釈に用いる水としては、水道水、井戸水、工業用水、蒸留水、イオン交換水などが挙げられるが、不純物の少ないものが好ましい。 In addition, when using the water dilution of the antiseptic / antifungal agent composition of the present invention, the dilution ratio of water is not particularly limited, but is usually 10 to 1000 times, preferably 50 to 500 times. Examples of water used for dilution include tap water, well water, industrial water, distilled water, ion-exchanged water, and the like, but those having less impurities are preferable.
本発明の防腐・防カビ性薬剤組成物（または本発明の防腐・防カビ性薬剤組成物の水希釈液）中に未乾燥木材を浸漬する時間は、特に制限されず、通常、数分から数時間である。 The time for immersing the undried wood in the antiseptic / antifungal agent composition of the present invention (or the water dilution of the antiseptic / antifungal agent composition of the present invention) is not particularly limited, and is usually from several minutes to several It's time.
以上のようにして得られる防腐・防カビ処理を行った未乾燥木材を人工乾燥することにより、含水率が２５重量％以下である防腐・防カビ性の乾燥木材を得ることができる。得られた防腐・防カビ性の乾燥木材は、耐久性にきわめて優れ、腐りにくく、カビ類などの発生も少ないものである。 Artificial drying of the undried wood that has been subjected to the antiseptic / antifungal treatment obtained as described above can provide an antiseptic / antifungal dry wood having a moisture content of 25% by weight or less. The obtained antiseptic and mildew-proof dried wood is extremely durable, hardly rots, and has little generation of molds.
２）防腐・防カビ性乾燥木材の製造方法
本発明の防腐・防カビ性乾燥木材の製造方法は、含水率が３０重量％以上の未乾燥木材を本発明の防腐・防カビ性薬剤組成物で処理した後、人工乾燥することにより、含水率が２５重量％以下の乾燥木材を得ることを特徴とする。
2) Method for producing antiseptic / antifungal dry wood The method for producing antiseptic / antifungal dry wood according to the present invention is the antiseptic / antifungal agent composition of the present invention obtained from undried wood having a water content of 30% by weight or more. It is characterized by obtaining dried wood having a water content of 25% by weight or less by treating with the above and then artificially drying.
本発明の製造方法において用いることができる、含水率が３０重量％以上の未乾燥木材や防腐・防カビ性薬剤組成物は、前記本発明の防腐・防カビ性薬剤組成物で列記したものと同様のものが使用できる。また、含水率が３０重量％以上の未乾燥木材を本発明の防腐・防カビ性薬剤組成物で処理する方法も、前記本発明の防腐・防カビ性薬剤組成物で説明した方法と同様の方法が採用できる。 Undried wood having a water content of 30% by weight or more and an antiseptic / antifungal chemical composition that can be used in the production method of the present invention are listed in the antiseptic / antifungal chemical composition of the present invention. Similar ones can be used. Further, the method of treating undried wood having a water content of 30% by weight or more with the antiseptic / antifungal chemical composition of the present invention is the same as the method described in the antiseptic / antifungal chemical composition of the present invention. The method can be adopted.
防腐・防カビ処理が施され未乾燥木材を人工乾燥する方法としては、含水率が２５重量％以下である防腐・防カビ性の乾燥木材を得ることができる方法であれば特に制限されない。例えば、蒸気式乾燥法、高周波・熱風複合乾燥法、高周波加熱減圧乾燥法、熱風加熱減圧乾燥法、燻煙乾燥法などが挙げられる。これらの中でも、未乾燥木材を密閉空間内に収容し、熱風を送り込んで未乾燥木材を所望の含水率の木材となるまで乾燥を行う、キルン式乾燥装置を用いる方法が好ましい。 The method for artificially drying the undried wood subjected to the antiseptic / antifungal treatment is not particularly limited as long as it is a method capable of obtaining an antiseptic / antifungal dry wood having a moisture content of 25% by weight or less. Examples thereof include a steam drying method, a high-frequency / hot air combined drying method, a high-frequency heating reduced pressure drying method, a hot air heating reduced pressure drying method, and a soot drying method. Among these, a method using a kiln type drying apparatus is preferable, in which undried wood is accommodated in a sealed space, and hot air is sent to dry the undried wood until it reaches a desired moisture content.
従来公知のキルン式乾燥装置の内壁部は、ステンレスまたはアルミニウムなどの金属材料から形成されているものが多い。本発明においては、本発明の防腐・防カビ性薬剤組成物を用いて未乾燥木材の防腐・防カビ処理を行っている。従って、内壁部がアルミニウムのような腐食性金属材料から形成されている場合であっても、防腐・防カビ性薬剤組成物により腐食することはなく、長期にわたり安定して、防腐・防カビ性乾燥木材を製造することができる。 Many of the inner walls of conventionally known kiln-type drying devices are made of a metal material such as stainless steel or aluminum. In the present invention, the rust-free and anti-fungal treatment of the undried wood is performed using the anti-septic / anti-fungal chemical composition of the present invention. Therefore, even when the inner wall portion is formed of a corrosive metal material such as aluminum, it is not corroded by the antiseptic / antifungal chemical composition, and is stable and antiseptic / antifungal over a long period of time. Dry wood can be produced.
キルン式乾燥装置による乾燥時間は、未乾燥木材の樹種、大きさなどにもよるが、通常、数日から１２０日程度である。 The drying time by the kiln-type drying apparatus is usually about several days to 120 days, although it depends on the tree type and size of the undried wood.
本発明の製造方法により、含水率が２５重量％以下であって、含水率を所望の値に調整した防腐・防カビ性の乾燥木材を得ることができる。得られる防腐・防カビ性の乾燥木材は、耐久性にきわめて優れ、腐りにくく、カビ類などの発生も少ないものである。
また、本発明の製造方法により得られる防腐・防カビ性乾燥木材は、優れた防腐・防カビ性を有し、乾燥後において、再度防腐・防カビ処理を行う必要がないものであるｗ。
By the production method of the present invention, it is possible to obtain an antiseptic / antifungal dry wood having a moisture content of 25% by weight or less and having a moisture content adjusted to a desired value. The resulting anti-corrosive and anti-mold dry wood has excellent durability, is resistant to decay, and is less prone to mold.
In addition, the antiseptic / antifungal dry wood obtained by the production method of the present invention has excellent antiseptic / antifungal properties, and does not need to be subjected to antiseptic / antifungal treatment again after drying.
以下、実施例および比較例により、本発明を更に詳細に説明するが、本発明は，以下の実施例により何ら限定されるものではない。 EXAMPLES Hereinafter, although an Example and a comparative example demonstrate this invention further in detail, this invention is not limited at all by the following Examples.
（実施例１）防腐・防カビ性薬剤組成物の薬液調製（１）
防腐・防カビ活性成分として、４，５−ジクロロ−２−オクチル−イソチアゾリン−３−オン、および３−ヨード−２−プロピルブチルカーバメートを含有する薬剤組成物（商品名：ミルカット８８Ａ、日本曹達（株）製）１ｇを、イオン交換水９９ｇに希釈して防腐・防カビ性薬剤組成物の薬液（１）を得た。
(Example 1) Preparation of antiseptic / antifungal pharmaceutical composition (1)
A pharmaceutical composition containing 4,5-dichloro-2-octyl-isothiazolin-3-one and 3-iodo-2-propylbutylcarbamate as antiseptic and antifungal active ingredients (trade name: Milkat 88A, Nippon Soda ( 1 g) was diluted in 99 g of ion-exchanged water to obtain a chemical solution (1) of an antiseptic / antifungal pharmaceutical composition.
（実施例２）防腐・防カビ性薬剤組成物の薬液調製（２）
防腐・防カビ活性成分として、ベンズイミダゾール−２−イルカルバミン酸メチル、２，３，５，６−テトラクロロ−４−スルホニルメチルピリジン、２−メチルイソチアゾリン−３−オン、および５−クロロ−２−メチルイソチアゾリン−３−オンを含有する薬剤組成物（商品名：ミルカット８８Ｂ、日本曹達（株）製）１ｇを、イオン交換水９９ｇに希釈して防腐・防カビ性薬剤組成物の薬液（２）を得た。
(Example 2) Preparation of chemical solution for antiseptic / antifungal pharmaceutical composition (2)
Antiseptic and fungicidal active ingredients include methyl benzimidazol-2-ylcarbamate, 2,3,5,6-tetrachloro-4-sulfonylmethylpyridine, 2-methylisothiazolin-3-one, and 5-chloro-2 -1 g of a pharmaceutical composition (trade name: Milkat 88B, manufactured by Nippon Soda Co., Ltd.) containing methylisothiazolin-3-one is diluted in 99 g of ion-exchanged water to prepare a chemical solution for antiseptic / antifungal pharmaceutical composition (2 )
（実施例３）防腐・防カビ性薬剤組成物の薬液調製（３）
防腐・防カビ活性成分として、４，５−ジクロロ−２−オクチル−イソチアゾリン−３−オン、および３−ヨード−２−プロピルブチルカーバメートを含有する薬剤組成物（商品名：ミルカット８８Ａ、日本曹達（株）製）１ｇ、防腐・防カビ活性成分として、ベンズイミダゾール−２−イルカルバミン酸メチル、２，３，５，６−テトラクロロ−４−スルホニルメチルピリジン、２−メチルイソチアゾリン−３−オン、および５−クロロ−２−メチルイソチアゾリン−３−オンを含有する薬剤組成物（商品名：ミルカット８８Ｂ、日本曹達（株）製）１ｇを、イオン交換水９８ｇに希釈して防腐・防カビ性薬剤組成物の薬液（３）を得た。
(Example 3) Preparation of antiseptic / antifungal pharmaceutical composition (3)
A pharmaceutical composition containing 4,5-dichloro-2-octyl-isothiazolin-3-one and 3-iodo-2-propylbutylcarbamate as antiseptic and antifungal active ingredients (trade name: Milkat 88A, Nippon Soda ( 1 g, antiseptic / antifungal active ingredient, methyl benzimidazol-2-ylcarbamate, 2,3,5,6-tetrachloro-4-sulfonylmethylpyridine, 2-methylisothiazoline-3-one, And 1 g of a pharmaceutical composition (trade name: Milcut 88B, manufactured by Nippon Soda Co., Ltd.) containing 5-chloro-2-methylisothiazolin-3-one and diluted with 98 g of ion-exchanged water, an antiseptic / antifungal agent A chemical solution (3) of the composition was obtained.
（比較例１）
トリクロロフェノール５．３４ｇ、水酸化ナトリウム１．１２ｇ、およびイオン交換水３．５４ｇを混合し、プレ調製液を得た。このプレ調製液１ｇをイオン交換水４９ｇに希釈して防腐・防カビ性薬剤組成物の薬液（４）を得た。
(Comparative Example 1)
Trichlorophenol 5.34 g, sodium hydroxide 1.12 g, and ion-exchanged water 3.54 g were mixed to obtain a pre-preparation solution. 1 g of this pre-prepared solution was diluted with 49 g of ion-exchanged water to obtain a chemical solution (4) of an antiseptic / antifungal pharmaceutical composition.
耐腐食性試験（１）
実施例１〜３、および比較例１で調製した、防腐・防カビ性薬剤組成物の薬液（１）〜（４）を用いて、以下の耐腐食性試験を行った。
テストピースとして、９０（縦）×５０（横）×０．９５（厚み）アルミニウム板を４枚用意した。このアルミ板の表面をイオン交換水およびメタノールで十分に洗浄した後、乾燥して、密閉容器にそれぞれ入れた。そこへ、実施例１〜３、および比較例１で調製した、防腐・防カビ性薬剤組成物の薬液（１）〜（４）を１０ｍｌ入れて密閉し、８０℃で１２０時間放置した。
Corrosion resistance test (1)
Using the chemical solutions (1) to (4) of the antiseptic / antifungal chemical composition prepared in Examples 1 to 3 and Comparative Example 1, the following corrosion resistance test was performed.
As test pieces, four 90 (length) × 50 (width) × 0.95 (thickness) aluminum plates were prepared. The surface of the aluminum plate was thoroughly washed with ion-exchanged water and methanol, then dried and placed in a sealed container. Thereto, 10 ml of the antiseptic / antifungal chemical solutions (1) to (4) prepared in Examples 1 to 3 and Comparative Example 1 were put and sealed, and left at 80 ° C. for 120 hours.
その後、容器からアルミニウム板を取りだし、このアルミ板の表面をイオン交換水およびメタノールで十分に洗浄した後、乾燥したのち、表面を目視で観察した。 Thereafter, the aluminum plate was taken out from the container, and the surface of the aluminum plate was thoroughly washed with ion-exchanged water and methanol, dried, and then visually observed.
また、対照として、防腐・防カビ性薬剤組成物の薬液を入れない場合（比較例２）、イオン交換水のみを入れた場合（比較例３）、水道水を入れた場合（比較例４）も同様に耐腐食性試験を行い、同様にして評価した。 Moreover, as a control, when the chemical solution of the antiseptic / antifungal agent composition is not added (Comparative Example 2), when only ion-exchanged water is added (Comparative Example 3), when tap water is added (Comparative Example 4) Similarly, a corrosion resistance test was conducted and evaluated in the same manner.
目視観察の結果、表面に変化がない場合をＡ、わずかに白化した場合をＢ、白化が認められる場合をＣ、激しく白化した場合をＤ、黒化した場合をＥで評価した。評価結果を第１表に示す。 As a result of visual observation, the case where there was no change in the surface was evaluated as A, the case where it was slightly whitened as B, the case where whitening was recognized as C, the case where it was intensely whitened as D, and the case where it was black as E. The evaluation results are shown in Table 1.
第１表より、実施例１〜３の防腐・防カビ性薬剤組成物の薬液（１）〜（３）を入れた場合では、比較例１やイオン交換水のみを入れた場合（比較例３）、水道水を入れた場合（比較例４）の場合に比して、アルミウム板の表面の白化の程度が低いことがわかる。 From Table 1, when the chemical solutions (1) to (3) of the antiseptic / antifungal pharmaceutical compositions of Examples 1 to 3 were added, Comparative Example 1 or only ion-exchanged water was added (Comparative Example 3). ), It can be seen that the degree of whitening of the surface of the aluminum plate is lower than when tap water is added (Comparative Example 4).
このことは、実施例１〜３の薬液を実施例１〜３の防腐・防カビ性薬剤組成物を使用して、未乾燥木材を防腐・防カビ処理した後、内壁部が腐食しやすいアルミニウムから形成されたキルン式乾燥装置により人工乾燥を行う場合であっても、該装置の内壁部の腐食はほとんど進行しないので、長期にわたり安定して、防腐・防カビ性乾燥木材を製造できることを示しているといえる。
This is because the chemical solution of Examples 1 to 3 was used for the antiseptic / antifungal agent composition of Examples 1 to 3, and the undried wood was subjected to antiseptic / antifungal treatment, and then the inner wall part was easily corroded. Even when artificial drying is performed with a kiln-type drying device formed from the above, it shows that corrosion of the inner wall of the device hardly proceeds, and thus it is possible to produce antiseptic / antifungal dry wood stably over a long period of time. It can be said that.
Claims (1)
ベンズイミダゾール−２−イルカルバミン酸メチル、２，３，５，６−テトラクロロ−４−スルホニルメチルピリジン、２−メチルイソチアゾリン−３−オン、５−クロロ−２−メチルイソチアゾリン−３−オン、４，５−ジクロロ−２−ｎ−オクチルイソチアゾリン−３−オン、２−ｎ−オクチルイソチアゾリン−３−オン、３−ヨード−２−プロピニルブチルカーバメイト、２−（４−チオシアノメチルチオ）ベンゾチアゾール、及びｎ−ブチル−１，２−ベンズイソチアゾリン−３−オンからなる群から選ばれる少なくとも一種の防腐・防カビ剤を含有する、防腐・防カビ性薬剤組成物で処理した後、
内壁部がアルミニウムで形成されているキルン式の乾燥装置を用いて人工乾燥することにより、
含水率が２５重量％以下の乾燥木材を得ることを特徴とする防腐・防カビ性乾燥木材の製造方法。 Undried wood with a moisture content of 30% by weight or more ,
Methyl benzimidazol-2-ylcarbamate, 2,3,5,6-tetrachloro-4-sulfonylmethylpyridine, 2-methylisothiazolin-3-one, 5-chloro-2-methylisothiazolin-3-one, 4 , 5-dichloro-2-n-octylisothiazolin-3-one, 2-n-octylisothiazolin-3-one, 3-iodo-2-propynylbutylcarbamate, 2- (4-thiocyanomethylthio) benzothiazole, and contains at least one biocidal agent selected from the group consisting of n- butyl-1,2-benzisothiazolin-3-one, after treatment with anti-rot and anti-mildew agent composition,
By artificial drying using a kiln-type drying device whose inner wall is made of aluminum ,
A method for producing antiseptic / antifungal dry wood characterized by obtaining dry wood having a moisture content of 25% by weight or less.
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