JP2006051614A - Persimmon tannin/citric acid composition which contributes to enhancement of ant-proof capacity of wood, and execution method thereof - Google Patents
Persimmon tannin/citric acid composition which contributes to enhancement of ant-proof capacity of wood, and execution method thereof Download PDFInfo
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- JP2006051614A JP2006051614A JP2004232848A JP2004232848A JP2006051614A JP 2006051614 A JP2006051614 A JP 2006051614A JP 2004232848 A JP2004232848 A JP 2004232848A JP 2004232848 A JP2004232848 A JP 2004232848A JP 2006051614 A JP2006051614 A JP 2006051614A
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Abstract
Description
本発明は、柿渋の実から抽出採集された柿渋液と有機酸類のクエン酸を一定の割合で混合した水溶液を、木材に塗布もしくは吹き付けで十分に浸透させることで、防蟻性能を向上させることが特徴である。 The present invention improves the ant-repellent performance by sufficiently infiltrating or spraying wood with an aqueous solution obtained by mixing a certain amount of a persimmon astringent liquid extracted and collected from persimmon astringent and citric acid of organic acids. Is a feature.
上記の柿渋液とクエン酸の混合した水溶液を木材の表面に固着させることで、防腐、防水性能を共に向上させることができる。 Both the antiseptic and waterproofing performances can be improved by fixing the above-mentioned mixed aqueous solution of persimmon juice and citric acid to the surface of wood.
木材の防蟻性の向上において、タール系のクレオソート油、フェノール系ベンタクロルフェニルラウレート、トリプロルフェノール、キノリン系B−オキシキノリン剤、ナフテン酸系ナフテン酸剤、有機スズ系トリプチルスズオキシド、有機ヨウ素系クロルフェニル、ヨードプロパルギルホルマール、クロム・銅・ヒ素系、フェノールフッ素系、ホウ砂・ホウ酸等で、有害な物質を主成分とした防蟻剤であることから、人体への影響や環境への影響が課題であった。 In improving the ant protection of wood, tar-based creosote oil, phenol-based bentachlorphenyl laurate, triprolphenol, quinoline-based B-oxyquinoline agent, naphthenic acid-based naphthenic acid agent, organotin-based tryptyltin oxide , Organic iodine chlorophenyl, iodopropargyl formal, chromium / copper / arsenic, phenol fluorine, borax / boric acid, etc. The impact on the environment was a challenge.
本発明のような、古来より塗布材等で使用していた天然成分の柿渋や、食品原料及び調味料として使用しているクエン酸といった人体に無害であり、環境に負荷をかけない物質で構成された防蟻剤は無かった。 Constructed from substances that are harmless to the human body, such as the present invention, such as persimmon astringent natural ingredients that have been used in coating materials since ancient times, and citric acid used as food ingredients and seasonings There was no ant protection.
従来の技術の現状から、本発明は、木材の防蟻性能の向上において、防蟻剤の製造や施工及び使用時の安全性や、施工、使用後の環境に負荷をかけない自然素材の柿渋や食品原料であるクエン酸の混合組成物で構成された防蟻剤を提供することにある。そして、更に防腐、耐久性の向上に付与するものである。 From the current state of the art, the present invention has been developed in order to improve the ant protection performance of wood. Another object of the present invention is to provide an anti-anticide comprising a mixed composition of citric acid, which is a food material. And it is further imparted to the improvement of antiseptic and durability.
本発明は自然素材の柿渋と食品原料のクエン酸を一定の割合で混合した組成物を木材に塗布及び吹き付けをすることで、防蟻性能の向上を実現することができる。柿渋は日本古来より防腐剤、防水剤として塗布することで使用されてきた。そして、クエン酸はシロアリにとって摂食障害物質であり、同組成物を木材に塗布及び吹き付けをすることで木材表面に付着及び浸透させ、そのクエン酸を柿渋によって固着させることにより実現させる。 According to the present invention, an improvement in ant-proofing performance can be realized by applying and spraying a composition obtained by mixing a certain amount of natural amber astringent and citric acid, which is a raw material of food, onto a wood. Persimmon astringents have been used as a preservative and waterproofing agent since ancient times in Japan. Citric acid is an eating disorder substance for termites, and the composition is applied to and sprayed on wood to adhere and penetrate the wood surface, and the citric acid is fixed by astringency.
本発明の詳細な説明において、用途、適応範囲を正しく示す。また、本発明の詳細な説明で木材の種類、形状、形態等は限定されない。 In the detailed description of the present invention, the application and application range are shown correctly. Further, the type, shape, form, etc. of the wood are not limited in the detailed description of the present invention.
本発明の防蟻剤組成物において、柿渋は水溶性で、温度変化にも変質せず、特に２５０℃の高温においても品質を保っているものである。化学特性は、カテキンガレート、ガロカテキンガレート、カテキン等のタンニン類で構成された、分子量約１５，０００前後の高分子縮合体であり、気乾状態ではプラスチック化となる。また、柿渋の従来の利用方法として、竹、紙、魚網、布、木に対して塗布することで、材質の補強、防腐、防水性の向上に利用されていた。現在では、更にシックハウス物質のホルムアルデヒドの除去、臭気物質のアンモニア、トリメチルアミンや、ニコチンの除去等が化学的に明らかになっている。 In the ant-control composition of the present invention, the astringent astringent is water-soluble, does not change with temperature changes, and maintains its quality even at a high temperature of 250 ° C. The chemical property is a polymer condensate composed of tannins such as catechin gallate, gallocatechin gallate, and catechin and having a molecular weight of about 15,000, and becomes plasticized in an air-dried state. In addition, as a conventional method of using astringent shibu, it has been used for reinforcement of materials, antiseptic, and waterproofing by applying to bamboo, paper, fish net, cloth and wood. At present, removal of formaldehyde as a sick house substance, removal of odorous substances such as ammonia, trimethylamine, and nicotine has been chemically revealed.
本発明の防蟻剤組成物のクエン酸は結晶性有機酸で、酸度は弱く酢酸の１／３程度で、梅干し、レモン等に含まれる物質である。現在はデンプンを原料とし、これを醗酵させ生産されている。外観形状は白色又は無色の結晶で、分子量２１０、融点１３０〜１５０℃で、水に対する溶解度は高く、２０℃では６０％、１００℃では８０％である。このクエン酸は人間にとって有益であるが、シロアリに対しては摂食障害物質である。 Citric acid in the termite-proofing composition of the present invention is a crystalline organic acid, which is weak in acidity and about 1/3 of acetic acid, and is a substance contained in dried plums, lemons and the like. Currently, starch is used as a raw material, and this is fermented. Appearance is white or colorless crystals, has a molecular weight of 210, a melting point of 130 to 150 ° C., and a high solubility in water: 60% at 20 ° C. and 80% at 100 ° C. This citric acid is beneficial to humans, but it is an eating disorder for termites.
柿渋とクエン酸の組成物の特性について具体的に説明する。木材に塗布及び吹き付けをすることで木材の表面、木材中に浸透させ、更に気乾させることで、クエン酸は再結晶化し、柿渋はプラスチック化する。以上のことから、防蟻性に有効なクエン酸の流出、発散を防止し、木材に長期に防蟻効果を保つことができる。 The characteristics of the persimmon and citric acid composition will be described in detail. By applying and spraying on the wood, the surface of the wood is infiltrated into the wood, and further air-dried, so that citric acid is recrystallized and the persimmon is made into plastic. From the above, it is possible to prevent the outflow and divergence of citric acid effective for ant-proofing properties, and to keep the ant-proofing effect on wood for a long time.
結晶性有機酸で無害のクエン酸と同等の物質として、アスコルビン酸、アスパラギン酸、グルタミン酸、クエン酸回路中のアコニット酸、イソクエン酸、α−ケトグルタル酸、コハク酸、フマール酸、リンゴ酸、オキザロ酢酸等が有効であるが、安価で安定している有機酸としてクエン酸が最適である。 Crystalline organic acids that are harmless to citric acid are ascorbic acid, aspartic acid, glutamic acid, aconitic acid in citric acid cycle, isocitric acid, α-ketoglutaric acid, succinic acid, fumaric acid, malic acid, oxaloacetic acid Is effective, but citric acid is most suitable as an inexpensive and stable organic acid.
柿渋に代わる物質として、天然成分のキトサン、化学成分の水溶性パラフィン、水溶性シリコン等、気乾状態でプラスチック化する高分子類であれば良いが、環境に対して負荷を与えない物質であることが最適であることから柿渋が良い。天然成分のキトサンも有望な物質であるが、現在は非常に高価であるため、現時点では木材の防蟻剤の組成物として適しているとはいえない。 As a substitute for astringent astringent materials, any natural polymer such as chitosan, chemical water-soluble paraffin, water-soluble silicon, etc. can be used as long as it is a polymer that can be plasticized in an air-dried state, but it does not cause environmental impact Because it is optimal, the astringency is good. The natural ingredient chitosan is also a promising substance, but it is very expensive at present, so it cannot be said that it is suitable as a composition for wood ant protection at present.
本発明の、柿渋とクエン酸の組成物は、柿渋１重量部に対してクエン酸２〜１５％の混合割合が有効であるが、効果的且つ経済的な混合割合として６％が最適である。 In the composition of persimmon astringent and citric acid of the present invention, a mixing ratio of 2 to 15% citric acid is effective per 1 part by weight of persimmon astringent, but 6% is optimal as an effective and economical mixing ratio. .
本発明の柿渋とクエン酸組成物による防蟻剤の施工方法は、対象木材に塗布又は吹き付けをすれば良く、具体的に既存の木造建物において、床下木部全体に市販の噴霧器により吹き付けをすれば良い。施工時期は天気の安定している５月頃が良く、初回噴霧から２回ないし３回連続して施工することが望ましい。また、専門職による施工は必要でなく、それは柿渋とクエン酸の混合物であるため、安全性や、環境に負荷を与えないからである。以上のことから床下の下部に拡散していても問題は無く、防蟻性能に付与する。
The method of applying the ant control agent by the strawberry astringent and citric acid composition of the present invention may be applied to or sprayed on the target wood. Specifically, in an existing wooden building, the entire underfloor timber is sprayed with a commercially available sprayer. It ’s fine. The construction period is preferably around May when the weather is stable, and it is desirable to perform construction twice or three times after the initial spraying. In addition, construction by professionals is not necessary, because it is a mixture of persimmon and citric acid, so it does not affect safety and the environment. From the above, there is no problem even if it diffuses in the lower part under the floor, and it gives to the ant protection performance.
Claims (1)
Applying and spraying a certain amount of an aqueous solution containing tannins and citric acid in a certain ratio in the ant protection and durability of wood, and applying it to the wood, it does not place an impact on the human body. Harmless and citric acid composition and construction method characterized by being harmless and imparting a healthy living environment.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2004232848A JP2006051614A (en) | 2004-08-10 | 2004-08-10 | Persimmon tannin/citric acid composition which contributes to enhancement of ant-proof capacity of wood, and execution method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2004232848A JP2006051614A (en) | 2004-08-10 | 2004-08-10 | Persimmon tannin/citric acid composition which contributes to enhancement of ant-proof capacity of wood, and execution method thereof |
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| JP2006051614A true JP2006051614A (en) | 2006-02-23 |
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| JP2004232848A Pending JP2006051614A (en) | 2004-08-10 | 2004-08-10 | Persimmon tannin/citric acid composition which contributes to enhancement of ant-proof capacity of wood, and execution method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008115352A (en) * | 2006-10-12 | 2008-05-22 | Sumitomo Forestry Co Ltd | High water-resistant resin layer-forming agent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008115352A (en) * | 2006-10-12 | 2008-05-22 | Sumitomo Forestry Co Ltd | High water-resistant resin layer-forming agent |
| JP4648299B2 (en) * | 2006-10-12 | 2011-03-09 | 住友林業株式会社 | High water resistant resin layer forming agent |
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