JP4723408B2 - 木質材料の化学処理薬剤組成物 - Google Patents
木質材料の化学処理薬剤組成物 Download PDFInfo
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- JP4723408B2 JP4723408B2 JP2006096713A JP2006096713A JP4723408B2 JP 4723408 B2 JP4723408 B2 JP 4723408B2 JP 2006096713 A JP2006096713 A JP 2006096713A JP 2006096713 A JP2006096713 A JP 2006096713A JP 4723408 B2 JP4723408 B2 JP 4723408B2
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- 239000000463 material Substances 0.000 title claims description 100
- 239000000126 substance Substances 0.000 title claims description 64
- 239000002023 wood Substances 0.000 title claims description 53
- 239000000203 mixture Substances 0.000 title claims description 32
- 239000003960 organic solvent Substances 0.000 claims description 57
- -1 salt compound Chemical class 0.000 claims description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- 239000004480 active ingredient Substances 0.000 claims description 26
- 238000011084 recovery Methods 0.000 description 32
- 238000000034 method Methods 0.000 description 20
- 239000002904 solvent Substances 0.000 description 17
- 238000002347 injection Methods 0.000 description 14
- 239000007924 injection Substances 0.000 description 14
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 12
- 239000000654 additive Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 230000000996 additive effect Effects 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000003755 preservative agent Substances 0.000 description 4
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 4
- 239000010875 treated wood Substances 0.000 description 4
- UFNOUKDBUJZYDE-UHFFFAOYSA-N 2-(4-chlorophenyl)-3-cyclopropyl-1-(1H-1,2,4-triazol-1-yl)butan-2-ol Chemical compound C1=NC=NN1CC(O)(C=1C=CC(Cl)=CC=1)C(C)C1CC1 UFNOUKDBUJZYDE-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000005757 Cyproconazole Substances 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 230000002421 anti-septic effect Effects 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002736 nonionic surfactant Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000002335 preservative effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 description 3
- QKFFSWPNFCXGIQ-UHFFFAOYSA-M 4-methylbenzenesulfonate;tetraethylazanium Chemical compound CC[N+](CC)(CC)CC.CC1=CC=C(S([O-])(=O)=O)C=C1 QKFFSWPNFCXGIQ-UHFFFAOYSA-M 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 229940120693 copper naphthenate Drugs 0.000 description 2
- SEVNKWFHTNVOLD-UHFFFAOYSA-L copper;3-(4-ethylcyclohexyl)propanoate;3-(3-ethylcyclopentyl)propanoate Chemical compound [Cu+2].CCC1CCC(CCC([O-])=O)C1.CCC1CCC(CCC([O-])=O)CC1 SEVNKWFHTNVOLD-UHFFFAOYSA-L 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 239000003760 tallow Substances 0.000 description 2
- NHGXDBSUJJNIRV-UHFFFAOYSA-M tetrabutylammonium chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CCCC NHGXDBSUJJNIRV-UHFFFAOYSA-M 0.000 description 2
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 2
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 2
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 1
- DRLRGHZJOQGQEC-UHFFFAOYSA-N 2-(2-methoxypropoxy)propyl acetate Chemical compound COC(C)COC(C)COC(C)=O DRLRGHZJOQGQEC-UHFFFAOYSA-N 0.000 description 1
- LDMRLRNXHLPZJN-UHFFFAOYSA-N 3-propoxypropan-1-ol Chemical compound CCCOCCCO LDMRLRNXHLPZJN-UHFFFAOYSA-N 0.000 description 1
- 241000218645 Cedrus Species 0.000 description 1
- WBHTXZCEFYKCNQ-UHFFFAOYSA-N ClC1=CC=C(C=C1)C=1N(C=CC1C1CC1)N1N=CN=C1 Chemical class ClC1=CC=C(C=C1)C=1N(C=CC1C1CC1)N1N=CN=C1 WBHTXZCEFYKCNQ-UHFFFAOYSA-N 0.000 description 1
- 239000005749 Copper compound Substances 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical class OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 235000008582 Pinus sylvestris Nutrition 0.000 description 1
- 241000218626 Pinus sylvestris Species 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012345 acetylating agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- TZIHFWKZFHZASV-UHFFFAOYSA-N anhydrous methyl formate Natural products COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000003429 antifungal agent Substances 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 235000015278 beef Nutrition 0.000 description 1
- 125000003785 benzimidazolyl group Chemical class N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000001880 copper compounds Chemical class 0.000 description 1
- ICMYIQTVBRLNEE-UHFFFAOYSA-N decyl(dimethyl)azanium;chloride Chemical compound Cl.CCCCCCCCCCN(C)C ICMYIQTVBRLNEE-UHFFFAOYSA-N 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical class OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N formic acid ethyl ester Natural products CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 150000002443 hydroxylamines Chemical class 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- MCSAJNNLRCFZED-UHFFFAOYSA-N nitroethane Chemical compound CC[N+]([O-])=O MCSAJNNLRCFZED-UHFFFAOYSA-N 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 150000005527 organic iodine compounds Chemical class 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229960000490 permethrin Drugs 0.000 description 1
- RLLPVAHGXHCWKJ-UHFFFAOYSA-N permethrin Chemical compound CC1(C)C(C=C(Cl)Cl)C1C(=O)OCC1=CC=CC(OC=2C=CC=CC=2)=C1 RLLPVAHGXHCWKJ-UHFFFAOYSA-N 0.000 description 1
- 239000008194 pharmaceutical composition Substances 0.000 description 1
- FURYAADUZGZUGQ-UHFFFAOYSA-N phenoxybenzene;sulfuric acid Chemical compound OS(O)(=O)=O.C=1C=CC=CC=1OC1=CC=CC=C1 FURYAADUZGZUGQ-UHFFFAOYSA-N 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002728 pyrethroid Substances 0.000 description 1
- 230000015227 regulation of liquid surface tension Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- LNSQZDVILBGVJS-UHFFFAOYSA-K tetraethylazanium trifluoride Chemical compound [F-].[F-].[F-].C(C)[N+](CC)(CC)CC.C(C)[N+](CC)(CC)CC.C(C)[N+](CC)(CC)CC LNSQZDVILBGVJS-UHFFFAOYSA-K 0.000 description 1
- PUZYNDBTWXJXKN-UHFFFAOYSA-M tetraethylazanium;trifluoromethanesulfonate Chemical compound [O-]S(=O)(=O)C(F)(F)F.CC[N+](CC)(CC)CC PUZYNDBTWXJXKN-UHFFFAOYSA-M 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 150000003752 zinc compounds Chemical class 0.000 description 1
Landscapes
- Chemical And Physical Treatments For Wood And The Like (AREA)
Description
上記のような特性を満足する有機溶媒としては、塩化メチレンのような塩素化炭化水素類やCFC−11、CFC−225等のフロン系溶媒が最も好適に採用できる。
・ニューコール291M(日本乳化剤製): ジアルキルサクシネートスルホン酸ナトリウム塩(水に対する溶解度:無限溶解)
・ニューコール707SFC(日本乳化剤製): ポリオキシエチレン多環フェニルエーテル硫酸エステル塩(水に対する溶解度:無限溶解)
・アーカード2HT−50ES(ライオンアクゾ製): ジ硬化牛脂アルキルエチルメチルアンモニウムエトサルフェート(水に対する溶解度:無限溶解)
・TBA−Br: テトラブチルアンモニウムブロマイド(水に対する溶解度:70g/100g水)
・TBA−BF4: テトラブチルアンモニウムテトラフルオロボレート(水に対する溶解度:<0.1g/100g水)
・TEA−TFSI: テトラエチルアンモニウムビストリフルオロメチルスルホン酸イミド塩(水に対する溶解度:<0.1g/100g水)。
・ニューコール1525(日本乳化剤製): ポリオキシエチレンヒマシ油エーテル。
塩化メチレン100質量部、添加剤として有機塩化合物であるニューコール707(日本乳化剤製)を0.8質量部、改質有効成分として防腐・防蟻剤であるシプロコナゾール0.05質量部及びイミダクリプリド0.05質量部を混合して化学処理薬剤組成物を調製した。試験材として、オウシュウアカマツ集成材(大きさ105mm×105mm×150mm、含水率12質量%)を用いた。
添加剤(有機塩化合物またはノニオン界面活性剤)種、その添加量、及び化学処理薬剤の注入量を表1に示すように変えた他は実施例1と同様の方法で、注入、回収実験を行い、回収に要する時間の評価を行った。また、水混入時の濃度変動も同様に調べた。回収時間、濃度変動を表1にまとめた。
実施例1と同様に、添加剤を加えない系で注入、回収実験を行った。結果を表1にまとめて示す。有機塩化合物を添加しない場合は、実施例に比べて回収時間が非常に長いことがわかる。
実施例1と同様の試験材をSUS製の密閉缶に入れ、真空ポンプを用いて100torrまで減圧し、15分保持した。その後調製した化学処理薬剤を缶内に入れ、更に缶内を0.1MPa(ゲージ圧)に加圧、30分保持し木質材料中に化学処理薬剤を注入した。注入量は注入前後の木質材料質量差で判断した。
使用した化学処理薬剤の添加剤種、添加量、回収量、回収時間を表1にまとめて示す。
添加剤を加えない以外は実施例9と同様にして、注入及び回収実験を行った。結果を表1にまとめて示す。
Claims (3)
- 木質材料を改質するための化学処理薬剤組成物であって、改質有効成分、該有効成分を溶解する有機溶媒、及び有機塩化合物を含有し、且つ水の含有量が5質量%以下であることを特徴とする木質材料の化学処理薬剤組成物。
- 含水率が50質量%以下である木質材料を改質するために使用される請求項1に記載の木質材料の化学処理薬剤組成物。
- 水への溶解度が80(g/100g水)以下である有機塩化合物を含有することを特徴とする、請求項1又は2に記載の木質材料の化学処理薬剤組成物。
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JP2006096713A JP4723408B2 (ja) | 2006-03-31 | 2006-03-31 | 木質材料の化学処理薬剤組成物 |
Publications (2)
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JP2007268836A JP2007268836A (ja) | 2007-10-18 |
JP4723408B2 true JP4723408B2 (ja) | 2011-07-13 |
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Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58155906A (ja) * | 1982-03-12 | 1983-09-16 | 日産農林工業株式会社 | 木材の薬剤処理方法および装置 |
JPS59158205A (ja) * | 1983-02-28 | 1984-09-07 | 日産農林工業株式会社 | 木材保存処理方法および装置 |
JPS62161504A (ja) * | 1986-01-13 | 1987-07-17 | 大日本木材防腐株式会社 | 油溶性防腐剤防虫剤用の界面活性剤 |
JP2930553B2 (ja) * | 1996-11-20 | 1999-08-03 | 兼松日産農林株式会社 | 木材の保存処理方法及び装置 |
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- 2006-03-31 JP JP2006096713A patent/JP4723408B2/ja active Active
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