JPH0672806A - Repellent - Google Patents
RepellentInfo
- Publication number
- JPH0672806A JPH0672806A JP13794992A JP13794992A JPH0672806A JP H0672806 A JPH0672806 A JP H0672806A JP 13794992 A JP13794992 A JP 13794992A JP 13794992 A JP13794992 A JP 13794992A JP H0672806 A JPH0672806 A JP H0672806A
- Authority
- JP
- Japan
- Prior art keywords
- repellent
- weight
- parts
- organic resin
- heavy oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Building Environments (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はビル等の床下に用いる対
鼠用忌避材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a repellent material for rats which is used under the floor of a building or the like.
【０００２】[0002]
【従来の技術】近年特にハイテクビルなどの床下に配さ
れたコンピューターケーブル等の配線が鼠に齧られる等
の被害が多発し対鼠用の忌避材の開発が急がれている。
従来林野等の屋外に使用される対鼠用の忌避剤としてク
レオソート油あるいは屋内に用いられるものとしてシク
ロヘキシミドがある。クレオソート油は刺激臭が強く屋
内には使用できない。シクロヘキシミドは樹脂に練り込
み電線等の被覆に用いられ、電線を齧った鼠は続いてさ
らに齧ることはない効果はあるが、味覚によるものであ
り、効果は電線を齧った鼠に限られハイテクビルなどの
床下から鼠を一掃する効果はない。またシクロヘキシミ
ドは耐熱性が十分でなく分解しやすく、劇薬でありその
毒性から取扱いが難しくさらに非常に高価であるためハ
イテクビルなどの床下に用いることは出来ない。以上の
とおり現状では有効な忌避材は提供されていない。2. Description of the Related Art In recent years, in particular, damage such as the wiring of computer cables arranged under the floor of a high-tech building or the like being caught in a mouse has occurred frequently, and development of a repellent material for a mouse is urgently needed.
Conventionally, there is creosote oil as an anti-mouse repellent used outdoors in forests and the like, and cycloheximide as an indoor repellent. Creosote oil has a strong pungent odor and cannot be used indoors. Cycloheximide is kneaded into a resin and used to coat electric wires, etc., and the rat that bites the wire has the effect of not further biting, but it is due to the taste, and the effect is limited to the rat that grabbed the wire. There is no effect of cleaning the mouse from under the floor. Further, cycloheximide cannot be used under the floor such as high-tech building because it has a high heat resistance and is easily decomposed, is a powerful drug, is difficult to handle due to its toxicity, and is extremely expensive. As described above, no effective repellent material is provided at present.
【０００３】[0003]
【発明が解決しようとする課題】本発明は前記鼠害に対
し有効な忌避材を提供しようとするものである。DISCLOSURE OF THE INVENTION The present invention is intended to provide a repellent material effective against the above-mentioned rat damage.
【０００４】[0004]
【課題を解決するための手段】前記課題は本発明の請求
項１の発明「重油又は重油類１００重量部に対しアスフ
ァルト５０〜２００重量部、ナフタリン類１０〜５０重
量部を含有する忌避剤。」と請求項２の発明「請求項１
記載の忌避剤を含有する有機樹脂発泡体 。」によって
解決される。以下各発明について説明する。請求項１の
発明の忌避剤はナフタリン類を人間には感じず鼠は忌避
する程度に長期に亘って発散することに特徴がある。請
求項２の発明は床下のゆるやかな空気の対流に乗って僅
かずつの請求項１の発明の忌避剤の臭気をこの有機樹脂
発泡体の表面の昇華面積によって、コントロールするこ
とに特徴がある。The object is a repellent containing 50 to 200 parts by weight of asphalt and 10 to 50 parts by weight of naphthalene based on 100 parts by weight of heavy oil or heavy oil of the present invention. And the invention of claim 2 "claim 1"
An organic resin foam containing the repellent described. Will be solved. Each invention will be described below. The repellent of the invention of claim 1 is characterized in that the naphthalene is not felt by humans and the rat diverges for a long period of time to the extent that it is repelled. The invention of claim 2 is characterized in that the odor of the repellent agent of the invention of claim 1 is controlled little by little by riding on the convection of gentle air under the floor by the sublimation area of the surface of the organic resin foam.
【０００５】本発明の重油又は重油類とはタール系、石
油系いずれの重油でもよく、またその重油類とは蒸留に
よる重油残渣物を水添精製したもので例えばプロセスオ
イル、等がある。重油又は重油類はアスフアルト及びナ
フタリン類を溶解し、これを有機樹脂発泡体の原材料
（例えば可塑剤、ポリオール等）へ均一混合しやすくす
るなどの働きをする。The heavy oil or heavy oil of the present invention may be either tar-based or petroleum-based heavy oil, and the heavy oil is obtained by hydrogenating and refining a heavy oil residue obtained by distillation, for example, process oil. Heavy oil or heavy oil has a function of dissolving asphalt and naphthalene and facilitating uniform mixing thereof with a raw material (for example, plasticizer, polyol, etc.) of an organic resin foam.
【０００６】本発明に使用するアスファルトは天然アス
ファルトでも石油アスファルトいずれも使用できるが石
油アスファルトのストレートアスファルトが使いやす
い。アスファルトは重油と併用され重油又は重油類１０
０重量部に対しアスファルト５０〜２００重量部用いら
れる。この理由はアスフアルトを有機樹脂発泡体に容易
に含有させるためであり、有機樹脂発泡体においてはナ
フタリン類を保持する働きをすると考えられる。As the asphalt used in the present invention, either natural asphalt or petroleum asphalt can be used, but straight asphalt of petroleum asphalt is easy to use. Asphalt is used in combination with heavy oil and heavy oil or heavy oil 10
50 to 200 parts by weight of asphalt is used for 0 parts by weight. The reason is that asphalt is easily contained in the organic resin foam, and it is considered that the organic resin foam functions to hold naphthalene compounds.
【０００７】本発明のナフタリン類とはナフタリン及び
粗製ナフタリンのことで、粗製ナフタリンとしては９５
％もの（規格：ＪＩＳ−Ｋ２４３６）及び９７％もの
（（規格：ＯＧＳ−Ａ００７−６）がある。ナフタリン
類は重油又は重油類１００重量部とアスファルト５０〜
２００重量部の混合したものに１０〜５０重量部用いら
れその多くは溶解するが一部は粒状で分散する。The naphthalenes of the present invention are naphthalene and crude naphthalene, and the crude naphthalene is 95.
% (Standard: JIS-K2436) and 97% ((standard: OGS-A007-6). Naphthalenes are 100 parts by weight of heavy oil or heavy oil and 50 to 50% asphalt.
A mixture of 200 parts by weight is used in an amount of 10 to 50 parts by weight, most of which dissolves, but some of which are granular and dispersed.
【０００８】そして本発明では重油又は重油類１００重
量部に対しアスファルト５０〜２００重量部、ナフタリ
ン類１０〜５０重量部の割合で分散及び溶解するがこの
組成範囲で徐々に空気中に蒸散するナフタリンは人間に
は不快感を与えず鼠には忌避効果を長期間に亘って持続
する。人間に比べ極めて鋭敏な臭覚（野鼠の場合１００
倍以上の臭覚を持っているのではと言はれている）を有
する鼠はその臭気により退散する。In the present invention, 50-200 parts by weight of asphalt and 10-50 parts by weight of naphthalene are dispersed and dissolved in 100 parts by weight of heavy oil or heavy oil, but naphthalene gradually evaporates in the air in this composition range. Has no discomfort to humans and has a repellent effect on rats for a long time. Extremely sensitive odor compared to humans (100 in the case of wild mice)
It is said that it has a odor more than twice as long as it is), and the rat has the odor.
【０００９】前記忌避剤を含有する有機樹脂発泡体はウ
レタン樹脂発泡体、塩化ビニル樹脂発泡体等である。忌
避剤は発泡体に後から含浸させてもよいし、発泡する樹
脂液に忌避剤を混合し一緒に発泡してもよい。忌避剤を
含有する有機樹脂発泡体は使用するまではその表面に粘
着剤によって離型紙を張っておくと取扱いが便利であ
る。忌避剤を含有する有機樹脂発泡体は適当な大きさ・
形状にカットし接着剤あるいは両面接着テープ等により
ビル等の床下に貼着して用いる。２重床など工場で量産
化する場合、量産工程の中に忌避剤を含有する有機樹脂
発泡体を連続的に貼着する工程を組み込むことも可能で
あり現場で貼着する手間が省くことができる。 また忌
避剤を含有する有機樹脂発泡体の表面に通気性のシート
を貼り空気中に蒸散する量をコントロールすることもよ
り効果的である。さらに忌避剤を含有する有機樹脂発泡
体をシート状に裁断しそれを積層しその間に通気性のシ
ートを貼りより細かい忌避剤の蒸散する量をコントロー
ルしてもよい。The organic resin foam containing the repellent is urethane resin foam, vinyl chloride resin foam or the like. The repellent may be impregnated into the foam later, or the repellent may be mixed with the resin liquid to be foamed and foamed together. It is convenient to handle the organic resin foam containing the repellent by placing a release paper on the surface thereof with an adhesive until it is used. Organic resin foam containing repellent has an appropriate size
Cut it into a shape and attach it under the floor of a building with an adhesive or double-sided adhesive tape. When mass-producing in a factory such as a double floor, it is possible to incorporate a process of continuously sticking an organic resin foam containing a repellent into the mass-production process, which saves the trouble of sticking on site. it can. It is also more effective to attach an air-permeable sheet to the surface of the organic resin foam containing the repellent and control the amount of evaporation into the air. Further, an organic resin foam containing a repellent agent may be cut into a sheet shape, which may be laminated and an air-permeable sheet may be attached therebetween to control the amount of finer repellent agent to be evaporated.
【００１０】本発明はナフタリン類に代えて同様の昇華
性を持つパラジクロールベンゼン、βーナフトール、樟
脳及び揮散性のピレスロイド化合物（例えばベーバスリ
ン）も同様に応用できる。In the present invention, instead of naphthalenes, paradichlorbenzene, β-naphthol, camphor and volatile pyrethroid compounds (for example, babasulin) which have similar sublimation properties can be similarly applied.
【００１１】[0011]
【作用】重油又は重油類とアスファルトの液に分散及び
溶解するナフタリン類はブルーミング現象により徐々に
表面に移行し空気中に蒸散する。本発明の忌避剤は発泡
体に含浸させて用いても良いし、発泡成型する樹脂液に
混合し一緒に発泡させて用いても良い。発泡体に含有さ
せる場合は所望の形状に裁断して用いることが出来ると
共にナフタリン類の蒸散量は蒸散面積を裁断あるいは通
気性のシートを貼着することによりコントロールするこ
とが出来る。また塩ビ樹脂発泡体など可塑剤を使用する
場合には、この可塑剤が忌避剤の表面への拡散移行を促
進する働きをする。[Function] Naphthalenes that are dispersed and dissolved in heavy oil or heavy oils and asphalt liquid gradually move to the surface by the blooming phenomenon and evaporate into the air. The repellent of the present invention may be used by impregnating a foam, or may be mixed with a resin liquid for foam molding and foamed together. When it is contained in the foam, it can be cut into a desired shape and used, and the transpiration amount of the naphthalene compound can be controlled by cutting the transpiration area or adhering a breathable sheet. When a plasticizer such as a vinyl chloride resin foam is used, the plasticizer functions to promote diffusion and migration of the repellent to the surface.
【００１２】[0012]
［実施例１］プロセスオイル（出光興産（株）製、商品
名ダイアナプロセスオイルＡＣ−４６０）１００重量部
にストレートアスファルト（日本石油（株）製、針入度
１００）１００重量部とこれに、粗製ナフタリン（大阪
ガス（株）製、商品名９５％ナフタリン）４０重量部を
８５℃で溶解して忌避剤の原液を作り、次にポリプロピ
レングリコールを主材とするポリエーテルトリオール
（大日本インキ化学工業（株）製、商品名ＴＧ３００
７）１００重量部へ、約３０℃の前記忌避剤の原液を１
５重量部、アミン触媒（三共エアープロダクツ（株）
製、商品名ＤＡＢ０３３ＬＶ）及びスズ触媒（吉富製薬
（株）製、商品名Ｔ−９）をそれぞれ０．５重量部、水
４重量部、シリコーン系安定剤（日本ユニカー（株）
製）１重量部、イソシアネート化合物ＴＤＩ３２重量部
を加えて発泡し、発泡倍率２０倍、独立気泡、インチ当
たり気泡数４７、軟質の有機樹脂発泡体を得た。[Example 1] 100 parts by weight of process oil (manufactured by Idemitsu Kosan Co., Ltd., trade name Diana Process Oil AC-460) and 100 parts by weight of straight asphalt (manufactured by Nippon Oil Co., Ltd., penetration 100) and 40 parts by weight of crude naphthalene (manufactured by Osaka Gas Co., Ltd., trade name: 95% naphthalene) is melted at 85 ° C to prepare a stock solution of repellent, and then polyethertriol containing polypropylene glycol as a main component (Dainippon Ink and Chemicals) TG300 manufactured by Kogyo Co., Ltd.
7) Add 100 parts by weight of stock solution of repellent at about 30 ° C to 1 part.
5 parts by weight, amine catalyst (Sankyo Air Products Co., Ltd.)
Manufactured by trade name DAB033LV) and tin catalyst (manufactured by Yoshitomi Pharmaceutical Co., Ltd., trade name T-9) by 0.5 parts by weight, 4 parts by weight of water, and a silicone stabilizer (Nippon Unicar Co., Ltd.).
1 part by weight and 32 parts by weight of the isocyanate compound TDI were added and foamed to obtain a soft organic resin foam having a foaming ratio of 20 times, closed cells, 47 cells per inch.
【００１３】［実施例２］実施例１の独立気泡の軟質発
泡体をプレスして泡壁を破り連続気泡とした、インチ当
たり気泡数４９、軟質の有機樹脂発泡体を得た。[Example 2] A soft organic resin foam having 49 cells per inch was obtained by pressing the closed-cell soft foam of Example 1 to break the foam wall into open cells.
【００１４】［実施例３｝ソルベントナフサ３５０重量
部にＣ重油１００重量部、ストレートアスファルト（日
本石油（株）製、針入度１００）２００重量部、それに
粗製ナフタリン（大阪ガス（株）製、商品名９５％ナフ
タリン）２５重量部を溶解した忌避剤の原液をウレタン
フォーム（井上ＭＴＰ（株）製、商品名ウレタンフォー
ムＳＬ、嵩密度４０ｋｇ／ｍ3 連続気泡）に含浸し，絞
液（絞り率（含浸液重量／ウレタンフォーム重量×１０
０）＝１００％）し、乾燥し、インチ当たり気泡数２５
の有機樹脂発泡体を得た。Example 3 350 parts by weight of solvent naphtha, 100 parts by weight of C heavy oil, 200 parts by weight of straight asphalt (manufactured by Nippon Oil Co., Ltd., penetration of 100), and crude naphthalene (manufactured by Osaka Gas Co., Ltd., Undiluted solution of repellent in which 25 parts by weight of brand name 95% naphthalene is dissolved is impregnated in urethane foam (Uregami MTP Co., Ltd., brand name urethane foam SL, bulk density 40 kg / m 3 open cells), and squeezing solution (squeezing solution) Rate (weight of impregnating liquid / weight of urethane foam × 10)
0) = 100%), dried, and 25 bubbles per inch
The organic resin foam of was obtained.
【００１５】［実施例４］実施例３において粗製ナフタ
リンの代わりに精製ナフタリン（和光純薬工業（株）
製、試薬ナフタリン）を使用した以外は同様にしてイン
チ当たり気泡数２５の有機樹脂発泡体を得た。Example 4 Purified naphthalene (Wako Pure Chemical Industries, Ltd.) was used in place of crude naphthalene in Example 3.
An organic resin foam having 25 cells per inch was obtained in the same manner except that a reagent made of Naphthalene was used.
【００１６】［実施例５］ 懸濁重合ポリ塩化ビニル（平均重合度８００） １００重量部 可塑剤 （ＤＯＰ） ５０ 可塑剤 （ＤＢＰ） ５ 忌避剤の原液（実施例１のもの、３０℃に保温） ９ 安定剤 （アデカ・アーガス化学（株）製、MarkOF-14 ） ２．５ 充填材 （ＣａＣＯ3 ） １０ 発泡剤 （大塚化学（株）製、ユニフォームＡＺ−（Ｈ）） ４ 上記割合で各成分を混合した後、バンバリーミキサーで
混練、ゲル化し、カレンダーで圧延し、炉温２２５℃で
発泡し、発泡倍率７．５倍、インチ当たり気泡数６７の
有機樹脂発泡体を得た。[Example 5] Suspension-polymerized polyvinyl chloride (average degree of polymerization: 800) 100 parts by weight Plasticizer (DOP) 50 Plasticizer (DBP) 5 Repellent stock solution (of Example 1, kept at 30 ° C) ) 9 Stabilizer (MarkOF-14, manufactured by Adeka Argus Chemical Co., Ltd.) 2.5 Filler (CaCO 3 ) 10 Foaming agent (Uniform AZ- (H), manufactured by Otsuka Chemical Co., Ltd.) 4 Each in the above ratio After mixing the components, the mixture was kneaded with a Banbury mixer, gelled, rolled with a calender, and foamed at a furnace temperature of 225 ° C. to obtain an organic resin foam having a foaming ratio of 7.5 and a number of cells per inch of 67.
【００１７】［実施例６］実施例５で得た有機樹脂発泡
体 を５t ×２５×２００ｍｍに裁断し、２枚を両面粘
着剤テープ（通気性なし）で貼り合わせ１０t ×２５×
２００ｍｍ、インチ当たり気泡数６２の試験体とした。[Example 6] The organic resin foam obtained in Example 5 was cut into 5 t x 25 x 200 mm, and two sheets were stuck together with a double-sided pressure-sensitive adhesive tape (not breathable) 10 t x 25 x.
The test piece was 200 mm and had 62 bubbles per inch.
【００１８】［試験］ 飼育箱１：図１に示すとおり前面に高さ４ｃｍ、巾４ｃ
ｍの出入り口２と上面（天井面）に開閉自在のガラス製
蓋３（あつさ５ｍｍ×たて１８ｃｍ×よこ１８ｃｍ）を
設けた高さ１５ｃｍ、巾２０ｃｍ、奥行き３０ｃｍの直
方体形のステンレス製の箱体４。[Test] Breeding box 1: As shown in FIG. 1, the height is 4 cm and the width is 4 c on the front surface.
A rectangular parallelepiped stainless box with a height of 15 cm, a width of 20 cm, and a depth of 30 cm, provided with a door 2 of m and a glass cover 3 (atm 5 mm × vertical 18 cm × horizontal 18 cm) that can be freely opened and closed. Body 4.
【００１９】忌避性の試験装置５：図２示すとおり４個
の飼育箱１を東西南北に互いに出入り口２を面し、４０
ｃｍの間隔をもって配し、入れた鼠が外に逃げ出さない
ように箱間に金網６を張った装置。Test device 5 for repelling property: As shown in FIG. 2, four breeding boxes 1 face each other in north, south, east, and west, facing the entrance / exit 2, and 40
A device in which a wire mesh 6 is stretched between the boxes so that the mice that have been placed do not escape to the outside.
【００２０】試験体７：実施例１〜５で得た発泡体から
サイズ；１０t ×２５×２００ｍｍの発泡体を裁断して
用意する。Specimen 7: A foam having a size of 10 t × 25 × 200 mm is cut and prepared from the foam obtained in Examples 1 to 5.
【００２１】試験方法：図２に示すとおりガラス製蓋３
を開け、飼育箱１の奥から同じ条件でワラ８及び餌（固
形飼料及び野菜）を入れた餌入れ９を順に４個の飼育箱
１にセットし、試験体７は３個の飼育箱１にセットす
る。次ぎに２４時間絶食させたハムスター（正常に成長
しているハムスター）３匹を試験体７の入っていない飼
育箱１にガラス製蓋３を開けて入れ、７日に亘ってハム
スターの状態を観察する。試験後ワラ８、餌を入れた餌
入れ９は取り除き、次ぎの試験では新しいワラ及び餌を
入れた餌入れを用いる。試験体７はそのままの状態に保
つ。該試験を６か月毎に２年間行った。Test Method: Glass lid 3 as shown in FIG.
Open and open the rear of the rearing box 1 and set the straw 8 and the bait 9 containing the bait (solid feed and vegetables) in order in the four rearing boxes 1 under the same conditions, and the test body 7 is the three rearing boxes 1 Set to. Next, three hamsters (normally growing hamsters) that had been fasted for 24 hours were placed in the breeding box 1 containing no test body 7 by opening the glass lid 3 and observing the state of the hamsters for 7 days. To do. After the test, straw 8 and bait 9 with food are removed, and a new straw and bait with food are used in the next test. The test body 7 is kept as it is. The test was conducted every 6 months for 2 years.
【００２２】観察結果：試験体７のない飼育箱１の餌は
６日目に完全に無くなったが鼠は他の試験体７の入って
いる飼育箱１の入り口まで来るが飼育箱の中には入らな
かった。Observation result: The food in the breeding box 1 without the test body 7 was completely lost on the 6th day, but the mouse came to the entrance of the breeding box 1 containing the other test bodies 7, but was placed in the breeding box. Didn't enter.
【００２３】[0023]
【発明の効果】観察結果からも分かるとおり本発明の忌
避剤を含有する有機樹脂発泡体 は人間は感じずしかも
鼠は忌避する効果が長期間に亘って持続する。As can be seen from the observation results, the organic resin foam containing the repellent of the present invention is not felt by humans, and the repellent effect on rats is maintained for a long period of time.
【図１】 飼育箱の概略図。FIG. 1 is a schematic view of a breeding box.
【図２】 忌避性の試験装置の概略平面図FIG. 2 is a schematic plan view of a repellent test device.
【図３】 忌避性の試験装置の概略側面図FIG. 3 is a schematic side view of the repellency test apparatus.
１：飼育箱 ２：出入り口 ３：ガラス製蓋 ４：ステンレス製の箱体 ５：忌避性の試験装置 ６：金網 ７：試験体 ８：ワラ ９：餌（固形飼料及び野菜）を入れた餌入れ 1: Breeding box 2: Doorway 3: Glass lid 4: Stainless steel box body 5: Repellent test device 6: Wire mesh 7: Test body 8: Straw 9: Feed tray containing feed (solid feed and vegetables)
Claims (2)
ファルト５０〜２００重量部、ナフタリン類１０〜５０
重量部を含有することを特徴とする忌避剤。1. Asphalt 50 to 200 parts by weight, naphthalenes 10 to 50 relative to 100 parts by weight of heavy oil or heavy oils.
A repellent characterized by containing parts by weight.
特徴とする有機樹脂発泡体。2. An organic resin foam comprising the repellent according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13794992A JPH0672806A (en) | 1992-04-30 | 1992-04-30 | Repellent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13794992A JPH0672806A (en) | 1992-04-30 | 1992-04-30 | Repellent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0672806A true JPH0672806A (en) | 1994-03-15 |
Family
ID=15210481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13794992A Pending JPH0672806A (en) | 1992-04-30 | 1992-04-30 | Repellent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0672806A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012147707A (en) * | 2011-01-18 | 2012-08-09 | Fumakilla Ltd | Chemical impregnation body, and fan type chemical diffusion apparatus |
| JP2017160317A (en) * | 2016-03-09 | 2017-09-14 | 三井化学産資株式会社 | Rat-repelling urethane foam and method for producing the same |
-
1992
- 1992-04-30 JP JP13794992A patent/JPH0672806A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012147707A (en) * | 2011-01-18 | 2012-08-09 | Fumakilla Ltd | Chemical impregnation body, and fan type chemical diffusion apparatus |
| JP2017160317A (en) * | 2016-03-09 | 2017-09-14 | 三井化学産資株式会社 | Rat-repelling urethane foam and method for producing the same |
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