JP5478452B2 - Small organism capture material - Google Patents
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- JP5478452B2 JP5478452B2 JP2010218415A JP2010218415A JP5478452B2 JP 5478452 B2 JP5478452 B2 JP 5478452B2 JP 2010218415 A JP2010218415 A JP 2010218415A JP 2010218415 A JP2010218415 A JP 2010218415A JP 5478452 B2 JP5478452 B2 JP 5478452B2
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Landscapes
- Catching Or Destruction (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
本発明は、ネズミ等の体重の異なる各種の小生物を捕獲するのに適した捕獲材料に関する。 The present invention relates to a capture material suitable for capturing various small organisms having different weights such as mice.
ネズミ、ゴキブリ、ハエ等の有害小生物の駆除は生活環境の改善面から重要な課題である。特にげっ歯類による被害は膨大なものであり、中でもネズミは、農産物、食品はもちろんのこと、鉛管を食い破ってガス漏洩を起したり、電灯線をかじって露出させ火災を起こすこともある。これらの小生物の駆除方法として従来からいくつかのものが提案され実施されているが、それらの中で最も簡便なものとして、粘着性を有する捕獲剤を厚紙、ボール紙、木板、プラスチックフイルム、シートなどの被塗布材料に塗布し、小生物の通路に設置する方法がある。この場合、捕獲剤は塗布作業性にすぐれかつ粘着性にもすぐれているという要請を満たさなければならない。さらに、あらかじめ被塗布材料に塗布しておく場合などには、保存中又はこれを使用中に捕獲剤が被塗布材料から流れ出したり、あるいは被塗布材料に浸透してにじみ出したりして使用不能になったり、床を汚すようなことがあってはならない。 Exterminating harmful small organisms such as rats, cockroaches and flies is an important issue from the viewpoint of improving the living environment. In particular, the damage caused by rodents is enormous. Among them, rats can eat not only agricultural products and food, but also lead to gas leaks by breaking the lead pipes, and can cause fires by galling the power lines. . Several methods for extermination of these small organisms have been proposed and implemented, but the simplest of them is a sticky capture agent such as cardboard, cardboard, wood board, plastic film, There is a method in which it is applied to a material to be applied such as a sheet and installed in a passage for small organisms. In this case, it is necessary to satisfy the requirement that the capture agent is excellent in application workability and adhesiveness. In addition, when pre-applied to the material to be coated, the trapping agent flows out of the material to be coated during storage or use, or permeates and oozes out the material to be coated, making it unusable. There should be no such things as becoming dirty or soiling the floor.
この種の小生物捕獲剤としては、例えばポリブテン８６ ％、ブチルゴム１０％およびたれ防止剤としてのパラフイン４％より成る組成物（特許文献１）、ポリブテン８０部、ブチルゴム１０部およびロジン、シリカゲル、ポリエチレン計４０部より成る組成物（特許文献２）、ポリイソブテン（５０℃における粘度が１０００ポイズ）またはポリイソブテンと天然ゴムとの８０：２０混合物１００質量部に対し、それぞれ有機ベントナイト２〜４０質量部あるいはコロイダルシリカ０．５〜８質量部を配合した組成物（特許文献３、特許文献４）、またブチルゴム５ 質量％、ポリブテン３５質量％、およびロジンエステル、トルエン、キシレン計６０質量％より成る組成物（特許文献５）などが開示されている。また、ポリブテン８０質量％、ブチルゴム１６質量％およびポリエチレン４質量％からなる組成物（特許文献６）、さらには、分子量が異なる二種類の液状ポリブテンの混合物８０〜９８質量％、粘度平均分子量が１００万〜２５０万のポリイソブチレンゴム１〜１０質量％、特定の性状を有する高圧法ポリエチレン１〜１０質量％からなる組成物が開示されている（特許文献７）。 As this kind of small organism capturing agent, for example, a composition comprising 86% polybutene, 10% butyl rubber and 4% paraffin as an anti-sagging agent (Patent Document 1), 80 parts polybutene, 10 parts butyl rubber and rosin, silica gel, polyethylene A composition comprising 40 parts in total (Patent Document 2), polyisobutene (viscosity at 50 ° C. is 1000 poise) or 100 parts by weight of an 80:20 mixture of polyisobutene and natural rubber, 2-40 parts by weight of organic bentonite or colloidal, respectively A composition comprising 0.5 to 8 parts by mass of silica (Patent Documents 3 and 4), a composition comprising 5% by mass of butyl rubber, 35% by mass of polybutene, and 60% by mass of rosin ester, toluene, and xylene. Patent document 5) etc. are disclosed. Further, a composition comprising 80% by mass of polybutene, 16% by mass of butyl rubber and 4% by mass of polyethylene (Patent Document 6), a mixture of two kinds of liquid polybutenes having different molecular weights, 80 to 98% by mass, and a viscosity average molecular weight of 100 A composition comprising 1 to 10% by mass of 10,000 to 2.5 million polyisobutylene rubber and 1 to 10% by mass of high-pressure polyethylene having specific properties is disclosed (Patent Document 7).
しかし、これらの例は、いずれも前記の要請のすべてを満たすものではない。具体的には、パラフインワツクスを用いた組成物においては、少量の添加では流れ出し防止効果が十分でなく、一方過度な量を添加すれば、塗布後の時間経過とともに、ワックス分が粘着層の表面に移動し、粘着力を低下させるため、捕獲能力が著しく低下する。高価な有機ベントナイトあるいはシリカを用いた組成物においては、比較的流れ出し防止効果や粘着力の面で良好であるが、これら粉状物は嵩高く混合時に空気を巻込んで、混合後の脱泡など製造時の手間あるいはコストの面から好ましくない。
また、ブチルゴム、ポリブテン、およびロジンエステル、トルエン、キシレンより成る組成物は揮発性の芳香族溶剤を使用するため臭気の問題がある。さらには当該粘着性組成物を塗布した塗膜を小生物捕獲用に設置して長時間経過中に溶剤が揮散し、塗布膜が硬化し、捕獲能力が低下する問題も避けられない。 また、ポリブテン、ブチルゴムおよびポリエチレンからなる組成物は粘着性組成物の粘着性と塗布作業時の作業性の双方を満足させることは出来ない。
また、特開２００７−１７７１０４で開示されている、ポリイソブチレンゴムを用いるものは、粘着力は優れているものの、ポリイソブチレンゴムの分子量が非常に大きいため、ポリブテンに溶解するのに時間がかかるという欠点を有する。また、対象となるげっ歯類がクマネズミ、ドブネズミ類等の比較的体重の重い成獣であるため、体重が軽い幼獣のクマネズミ、ドブネズミ類の捕獲には難があり、逃亡することがある。
However, none of these examples meet all of the above requirements. Specifically, in a composition using paraffin wax, the addition of a small amount is not sufficient to prevent the flow-out, whereas if an excessive amount is added, the wax content of the adhesive layer increases with time after application. Since it moves to the surface and reduces the adhesive force, the capture ability is significantly reduced. In the composition using expensive organic bentonite or silica, it is relatively good in terms of prevention of flow-out and adhesive strength. However, these powders are bulky and involve air during mixing, and defoamed after mixing. This is not preferable from the viewpoint of labor and cost during production.
Further, a composition comprising butyl rubber, polybutene, rosin ester, toluene, and xylene has a problem of odor because it uses a volatile aromatic solvent. Furthermore, the problem is that the coating film coated with the adhesive composition is installed for capturing small organisms, the solvent is volatilized over a long period of time, the coating film is cured, and the capturing ability is lowered. Further, a composition comprising polybutene, butyl rubber and polyethylene cannot satisfy both the tackiness of the tacky composition and the workability during the coating operation.
Moreover, although the thing using polyisobutylene rubber currently disclosed by Unexamined-Japanese-Patent No. 2007-177104 is excellent in adhesive force, since the molecular weight of polyisobutylene rubber is very large, it will take time to melt | dissolve in polybutene. Has drawbacks. In addition, since the target rodents are adults with relatively heavy weights such as black rats and red rats, it is difficult to capture the light-weight cubs and red rats, and may escape.
本発明の課題は、体重の異なる各種の有害小生物を効果的に捕獲することが出来る、小生物捕獲材料を提供することにある。本発明者らはかかる課題を解決するために鋭意研究した結果、ポリブテン、ポリイソブチレンゴム、ポリエチレンからなる粘着性組成物に中分子量のポリイソブチレンを少量添加することにより、粘着最大応力９００〜１５００ｇｆ／ｃｍ２、且つ延糸距離７０mm以上の物性値からなる幼獣捕獲力、成獣捕獲力は共に維持された状態で、各種の小生物を効果的に捕獲できることを見出し、本発明を完成するに至った。 An object of the present invention is to provide a small organism capture material that can effectively capture various harmful small organisms having different weights. As a result of intensive studies to solve such problems, the present inventors have added a small amount of medium molecular weight polyisobutylene to a pressure-sensitive adhesive composition comprising polybutene, polyisobutylene rubber, and polyethylene, whereby a maximum adhesion stress of 900 to 1500 gf / The present invention has been completed by finding that various small organisms can be effectively captured in a state where both the catching power of cubs with physical properties of cm 2 and a spinning distance of 70 mm or more are maintained. It was.
すなわち本発明の第一は、（ａ）粘度平均分子量が３０万〜２５０万の範囲にあるポリイソブチレンゴム ０．３〜３質量％、（ｂ）メルトフローレート（ＭＦＲ；１９０℃／２１２ｋＰａ荷重）が０．０４〜３５、密度が０．９７ｇ／ｃｍ３以下、ＤＳＣ測定による融点が１２０℃以下の範囲にある高圧法ポリエチレン ２〜６質量％、（ｃ）粘度平均分子量が２００００〜１０００００の範囲にある中分子量ポリイソブチレン １〜４質量％、（ｄ）数平均分子量が２００〜２０００の範囲にある液状ポリブテン ８７〜９７質量部よりなる小生物捕獲用材料組成物である。
本発明の第二は、粘着最大応力が９００〜１５００ｇｆ／ｃｍ２、且つ延糸距離が７０mm以上である請求項１に記載の小生物捕獲用材料組成物である。
本発明の第三は、本発明の第一に記載の小生物捕獲用材料組成物のうち、（ｃ）中分子量ポリイソブチレンの粘度平均分子量が３００００〜６００００の範囲にあり、配合量が１〜３質量％であり、（ｄ）液状ポリブテンの配合量が８８〜９７質量％である小生物捕獲用材料組成物である。
本発明の第四は、（ａ）ポリイソブチレン、（ｂ）高圧法ポリエチレンおよび（ｄ）液状ポリブテンよりなる組成物を予め混合した後に、（ｃ）中分子量ポリイソブチレンを添加し溶融混練することを特徴とする請求項１〜３に記載の小生物捕獲用材料組成物の製造方法である。
That is, the first of the present invention is (a) 0.3 to 3% by mass of polyisobutylene rubber having a viscosity average molecular weight in the range of 300,000 to 2,500,000, and (b) melt flow rate (MFR; 190 ° C./212 kPa load). Is 0.04 to 35, the density is 0.97 g / cm 3 or less, and the melting point by DSC measurement is in the range of 120 ° C. or less, 2 to 6% by mass, (c) the viscosity average molecular weight is in the range of 20000 to 100,000. A medium-molecular-weight polyisobutylene having a molecular weight of 1 to 4% by mass, and (d) a material composition for capturing small organisms comprising 87 to 97 parts by mass of liquid polybutene having a number average molecular weight in the range of 200 to 2000.
The second aspect of the present invention is the material composition for capturing small organisms according to claim 1, wherein the maximum adhesion stress is 900-1500 gf / cm 2 and the yarn drawing distance is 70 mm or more.
The third aspect of the present invention is the material composition for capturing small organisms according to the first aspect of the present invention, wherein (c) the medium molecular weight polyisobutylene has a viscosity average molecular weight in the range of 30,000 to 60,000, and the blending amount is 1 to The material composition for capturing small organisms is 3% by mass and (d) the amount of liquid polybutene is 88 to 97% by mass.
The fourth aspect of the present invention is that a composition comprising (a) polyisobutylene, (b) high-pressure polyethylene and (d) liquid polybutene is mixed in advance, and (c) medium molecular weight polyisobutylene is added and melt-kneaded. It is a manufacturing method of the material composition for small organism capture of Claims 1-3 characterized by the above-mentioned.
本発明によれば、小生物捕獲材料において、成獣げっ歯類捕獲力を重視した粘着性組成物（Ａ）に、粘度平均分子量２００００〜１０００００の中分子量ポリイソブチレンを添加することで、粘着性組成物の濡れ性（＝延糸距離）を改良し、これまで捕獲が完全ではなかった体重の軽い幼獣のげっ歯類から体重の重い成獣のげっ歯類まで、効果的に捕獲することが出来る小生物捕獲用材料を提供できる。 According to the present invention, an adhesive composition is obtained by adding a medium molecular weight polyisobutylene having a viscosity average molecular weight of 20,000 to 100,000 to an adhesive composition (A) that emphasizes the ability to capture adult rodents. Improves the wettability (= yarn distance) of objects, and can capture effectively from rodents of light-weight cubs that were not completely captured until now to rodents of heavy-weight adults We can provide materials for capturing small organisms.
以下、本発明について更に詳しく述べる。
ポリイソブチレンゴム、高圧法ポリエチレンおよび液状ポリブテンを配合することにより、粘着最大応力４００〜８００ｇｆ／ｃｍ２、延糸距離６０ｍｍ未満の物性値を有する粘着性組成物を得ることができる。
ここで粘着最大応力は、粘着組成物に付着した小生物を逃がさずに捕捉し続ける力を表すものであり、延糸距離は粘着組成物の濡れ性、すなわち粘着組成物の小生物に対する付着性を表すものである。この組成物は延糸距離が短いため小生物の捕獲には難があり、取り逃がす場合があった。この組成物に中分子量ポリイソブチレンを添加して得られる本発明の組成物は、延糸距離と粘着最大応力のバランスが著しく改善され、これまで難しかった、体重の軽い幼獣のげっ歯類から体重の重い成獣のげっ歯類までを効果的に捕獲することが可能となった。すなわち、組成物の粘度および延糸性を適度に保ったまま粘着最大応力を増大することができるため、体力がある成獣げっ歯類が粘着性組成物に付着した後に逃亡することを防ぐことができる。また粘着力が著しく向上するため、効果的に小生物を捕捉し逃亡を防ぐことができる。
Hereinafter, the present invention will be described in more detail.
By blending polyisobutylene rubber, high-pressure polyethylene and liquid polybutene, a pressure-sensitive adhesive composition having physical property values with a maximum stress of 400 to 800 gf / cm 2 and a yarn drawing distance of less than 60 mm can be obtained.
Here, the adhesive maximum stress represents the force that continues to capture small organisms attached to the adhesive composition without escaping, and the yarn drawing distance is the wettability of the adhesive composition, that is, the adhesive property of the adhesive composition to the small organisms. Is expressed. Since this composition has a short spinning distance, it is difficult to capture small organisms, and there are cases where it is missed. The composition of the present invention obtained by adding medium molecular weight polyisobutylene to this composition has a significantly improved balance between the yarn drawing distance and the maximum stress of adhesion, which has been difficult until now from the rodents of light-weight cubs. It has become possible to effectively capture even heavy adult rodents. That is, the adhesive maximum stress can be increased while maintaining the viscosity and spinnability of the composition moderately, so that it is possible to prevent a healthy adult rodent from escaping after adhering to the adhesive composition. it can. Moreover, since adhesive force improves remarkably, a small creature can be captured effectively and escape can be prevented.
本発明で用いるポリイソブチレンゴムは粘度平均分子量が３０万から２５０万のものであり、好ましくは６０万〜１８０万のものである。粘度平均分子量が３０万以下の場合は粘着力が低下し、小生物の捕獲に十分ではない。２５０万以上となると溶解に手間が掛かり、また粘着剤の粘度が高粘度となるため、塗布が困難となる。
ポリイソブチレンゴムの配合割合は０．３〜３質量％、好ましくは０．３〜２質量％の範囲である。配合割合が０．３質量％未満であると、体重の重い成獣に対する捕獲性が低下する。また、３質量％を超えると粘着性組成物の濡れ性が低下するため小生物の捕獲性が低下する。
The polyisobutylene rubber used in the present invention has a viscosity average molecular weight of 300,000 to 2,500,000, preferably 600,000 to 1,800,000. When the viscosity average molecular weight is 300,000 or less, the adhesive strength is lowered, which is not sufficient for capturing small organisms. If it exceeds 2.5 million, it takes time to dissolve, and the viscosity of the pressure-sensitive adhesive becomes high, making application difficult.
The blending ratio of the polyisobutylene rubber is 0.3 to 3% by mass, preferably 0.3 to 2% by mass. When the blending ratio is less than 0.3% by mass, the capture ability for a heavy adult animal is lowered. Moreover, since the wettability of an adhesive composition will fall when it exceeds 3 mass%, the capture property of small organisms will fall.
本発明で用いるポリエチレンはエチレンを高圧重合法によって重合したもので、一般に高圧法ポリエチレンと言われているものであり、メルトインデックスが０．０４〜３５好ましくは０．１〜２０のものである。これらの高圧法ポリエチレンは例えば、ノバテックＬＪ６００（日本ポリエチレン（株））の商品名で入手することが出来る。メルトインデックスが０．０４より小さいものは液状ポリブテンへの溶解に高い温度と長時間を要し、また３５より大きいものは粘着性が良くかつ捕獲剤の流れ出し防止効果およびにじみ出し防止効果の十分なものは得られない。
高圧法ポリエチレンの配合割合は、組成物全体に対して好ましくは２〜６質量％、さらに好ましくは３〜５質量％の範囲である。配合割合が２質量％に満たないと、塗布膜の耐流れ出し性が劣る。一方６質量％を超えると、塗膜形成性が低下し、表面の凹凸の生成等、塗布膜の加工性に劣る。
The polyethylene used in the present invention is a polymer obtained by polymerizing ethylene by a high pressure polymerization method, and is generally referred to as a high pressure method polyethylene, and has a melt index of 0.04 to 35, preferably 0.1 to 20. These high-pressure polyethylene can be obtained, for example, under the trade name Novatec LJ600 (Nippon Polyethylene Co., Ltd.). Those having a melt index of less than 0.04 require a high temperature and a long time for dissolution in liquid polybutene, and those having a melt index of more than 35 have good tackiness and sufficient effect of preventing the capture agent from flowing out and bleeding. You can't get anything.
The blending ratio of the high-pressure polyethylene is preferably 2 to 6% by mass, more preferably 3 to 5% by mass with respect to the entire composition. When the blending ratio is less than 2% by mass, the flow-out resistance of the coating film is inferior. On the other hand, when it exceeds 6% by mass, the coating film formability is lowered, and the processability of the coating film such as the formation of surface irregularities is inferior.
本発明で用いる（Ｂ）中分子量ポリイソブチレンとは、イソブチレンを主として重合されてなるものであって、ブテン−１などが共重合されていても良く、常温で液体または半固体状の重合体である。このような中分子量ポリイソブチレンはヘキサンなどの溶剤中でイソブチレンを重合するか、またはイソブチレンを含む石油精製におけるＦＣＣ（流動接触分解）からのＣ４留分または石油化学におけるナフサクラッカーからのＣ４留分などを塩化アルミニウム、フッ化ホウ素などのフリーデルクラフツ触媒で重合したものを用いることができる。該中分子量ポリイソブチレンの粘度平均分子量は２００００〜１０００００の範囲であり、好ましくは３００００〜６００００の範囲である。該成分の含有量は１〜４質量％であり、好ましくは１〜３質量％である。粘度平均分子量が２００００に満たない場合は、延糸距離は長くなるが粘着最大応力が低下するため、体力のある成獣げっ歯類は逃げる虞がある。粘度平均分子量が１０００００を超える場合は、延糸距離が短くなり、体重の軽い幼獣のげっ歯類は捕獲できても体重の重い成獣のげっ歯類は、いったんは捕獲しても逃げる虞がある。また、中分子量ポリイソブチレンの添加量が１％に満たない場合は、粘着力が十分でなく、４質量％を超える場合は十分な延糸距離を得ることができない。 The (B) medium molecular weight polyisobutylene used in the present invention is obtained by mainly polymerizing isobutylene, and may be copolymerized with butene-1 or the like, and is a liquid or semi-solid polymer at room temperature. is there. Such medium molecular weight polyisobutylene polymerizes isobutylene in a solvent such as hexane, or C4 fraction from FCC (fluid catalytic cracking) in petroleum refining containing isobutylene or C4 fraction from naphtha cracker in petrochemistry, etc. Can be used which is polymerized with a Friedel-Crafts catalyst such as aluminum chloride or boron fluoride. The viscosity average molecular weight of the medium molecular weight polyisobutylene is in the range of 20,000 to 100,000, preferably in the range of 30,000 to 60,000. Content of this component is 1-4 mass%, Preferably it is 1-3 mass%. When the viscosity average molecular weight is less than 20000, the yarn-drawing distance becomes long, but the maximum stress of adhesion decreases, so that there is a risk that adult rodents with physical strength will escape. If the viscosity average molecular weight exceeds 100,000, the spinning distance will be shortened, and even if the rodents of light cubs can be captured, the adult rodents of heavy weight may escape once captured. is there. On the other hand, when the addition amount of the medium molecular weight polyisobutylene is less than 1%, the adhesive strength is not sufficient, and when it exceeds 4% by mass, a sufficient spinning distance cannot be obtained.
本発明で用いる液状ポリブテンは、数平均分子量は２００ 〜２０００であることが必要であるが、好ましくは４００〜１５００のものである。この液状ポリブテンは例えばナフサ分解により生成するいわゆるＣ４留分のうちブタジエンを除いたブタン−ブテン留分を重合することにより製造できる。これらのポリブテンは、例えば日石ポリブテン（ＪＸ日鉱日石エネルギー（株）製）の商品名で市販されている。ポリブテンの分子量が２００より小さい場合には、引火点が低くなるため、本粘着性組成物の製造時もしくは調理場等の火気のある所で使用する際の安全性に問題があり、また、得られた粘着剤組成物の粘着力が低下するため好ましくない。また２０００より大きい場合には、組成物の溶融粘度が大きくなりすぎるため、円滑な塗布作業が困難となる。液状ポリブテンの配合割合は、組成物全体に対して８７〜９７質量％、好ましくは８８〜９７質量％の範囲である。配合割合が８７質量％より少ないと、粘着性組成物の濡れ性が低下する傾向にある。また塗布膜の伸展性が低下し、表面の凹凸等の生成等、塗布加工性に劣る傾向にある。また、９７質量％より多いと、塗布膜の耐流れ出し性が劣る傾向にある。 The liquid polybutene used in the present invention needs to have a number average molecular weight of 200 to 2000, preferably 400 to 1500. This liquid polybutene can be produced, for example, by polymerizing a butane-butene fraction excluding butadiene in a so-called C4 fraction produced by naphtha decomposition. These polybutenes are commercially available, for example, under the trade name of Nisseki Polybutene (manufactured by JX Nippon Mining & Energy Corporation). When the molecular weight of polybutene is less than 200, the flash point becomes low, so there is a problem in safety when the present adhesive composition is produced or when it is used in a fire place such as a cooking place. Since the adhesive force of the obtained adhesive composition falls, it is not preferable. On the other hand, if it is greater than 2000, the melt viscosity of the composition becomes too large, and smooth application work becomes difficult. The blending ratio of the liquid polybutene is 87 to 97% by mass, preferably 88 to 97% by mass, based on the entire composition. When the blending ratio is less than 87% by mass, the wettability of the pressure-sensitive adhesive composition tends to decrease. Moreover, the extensibility of a coating film falls and it exists in the tendency which is inferior to coating processability, such as the production | generation of the unevenness | corrugation of a surface. On the other hand, when the content is more than 97% by mass, the flow resistance of the coating film tends to be inferior.
本発明の組成物の粘着最大応力は９００〜１５００ｇｆ／ｃｍ２である。粘着最大応力が９００ｇｆ／ｃｍ２未満の場合は、粘着力が弱過ぎて、体力がある成獣のげっ歯類は、一度粘着性組成物に付着しても逃亡する虞がある。粘着最大応力が１５００ｋｇｇｆ／ｃｍ２を超える場合、粘度と延糸距離の著しい低下が避けられないため、小生物の捕獲性能が低下する。本発明の組成物の延糸距離は７０ｍｍ以上である。７０ｍｍ未満では粘着性組成物の濡れ性が悪く小生物が捕獲できないか、捕獲できても逃亡してしまう虞がある。 The maximum adhesion stress of the composition of the present invention is 900-1500 gf / cm 2 . When the maximum adhesive stress is less than 900 gf / cm 2 , the adhesive strength is too weak, and there is a possibility that adult rodents having physical strength may escape even if they adhere to the adhesive composition. When the maximum adhesion stress exceeds 1500 kggf / cm 2 , a remarkable decrease in the viscosity and the yarn drawing distance cannot be avoided. The drawing distance of the composition of the present invention is 70 mm or more. If it is less than 70 mm, the wettability of the adhesive composition is poor and small organisms cannot be captured, or even if captured, they may escape.
本発明の組成物の製造方法は特に限定されるものではないが、好ましくはポリイソブチレンゴム、ポリエチレンおよびポリブテンの溶融混合組成物に、中分子量ポリイソブチレンを添加し溶融混練する方法を用いることができる。溶融混練方法は公知の方法を用いることができ、例えばポリイソブチレンゴム、ポリエチレンおよびポリブテンの組成物が溶融する温度条件化で、混練機を用いて強制的に中分子量ポリイソブチレンを攪拌するなどの方法を用いることで、小生物捕獲用材料組成物を製造することが出来る。 The production method of the composition of the present invention is not particularly limited, but a method of adding a medium molecular weight polyisobutylene to a melt-mixed composition of polyisobutylene rubber, polyethylene and polybutene and melt-kneading can be preferably used. . A known method can be used as the melt kneading method, for example, a method of forcibly stirring the medium molecular weight polyisobutylene using a kneader under a temperature condition in which the composition of polyisobutylene rubber, polyethylene and polybutene melts. By using, a material composition for capturing small organisms can be produced.
本発明の小生物捕獲用材料は有機溶剤を用いないので特異な臭気を有しないから、げっ歯類が忌避することがないし、誘引剤の効果を阻害することもない。また、ベントナイトやシリカのような嵩高な充填剤を用いないので、混練作業中に泡立ちを生じて、製造作業の継続を困難にするという問題も無い。また本発明に用いる粘着性組成物は、その要求性能を損なわない範囲において、上記必須構成成分の他、必要に応じてプロセス油、動植物油、高分子可塑剤、軟化剤、着色剤、酸化防止剤、老化防止剤、香料、誘引剤、飼料等を適宜配合することが出来る。 Since the material for capturing small organisms of the present invention does not use an organic solvent and does not have a specific odor, rodents are not repelled and the effect of the attractant is not inhibited. Further, since a bulky filler such as bentonite or silica is not used, there is no problem of causing foaming during the kneading operation and making it difficult to continue the manufacturing operation. In addition, the adhesive composition used in the present invention is a process oil, animal and vegetable oil, a polymer plasticizer, a softener, a colorant, an antioxidant, as necessary, in addition to the above essential constituents, as long as the required performance is not impaired. Agents, anti-aging agents, fragrances, attractants, feeds and the like can be appropriately blended.
本発明の小生物捕獲用材料は被塗布材の表面に塗布して使用するが、被塗布材料は、それが平面状のものである限り特に制限はない。例えばポリエチレンやポリプロピレンなどのプラスチックからなるシートを用いることが出来る。これらプラスチックからなるシートは厚紙などの台紙に張り合わせたものも使用することが出来る。
本発明の小生物捕獲材料は、ねずみ等の幼獣、成獣のげっ歯類小生物の捕獲に有効であるのはもちろん、それ以外の、例えばごきぶり、ハエ、飛翔性害虫等の有害小生物の捕獲にも使用することができる。
The material for capturing small organisms of the present invention is used after being applied to the surface of the material to be coated, but the material to be coated is not particularly limited as long as it is planar. For example, a sheet made of a plastic such as polyethylene or polypropylene can be used. These plastic sheets can also be used which are laminated on a base such as cardboard.
The small-animal capture material of the present invention is effective for capturing rodent small organisms such as rats and adults such as mice, but also other harmful small organisms such as squirrels, flies, and flying pests. Can also be used for capture.
以下、実施例により本発明を具体的に説明するが、本発明はこれらの実施例に限定されるものではない。 EXAMPLES Hereinafter, although an Example demonstrates this invention concretely, this invention is not limited to these Examples.
＜粘着性組成物の調製＞
ポリイソブチレン、高圧法ポリエチレンおよび液状ポリブテンよりなる組成物（粘着性組成物（Ａ）とする）を表１に示す配合割合にしたがって、配合し調製した。調製方法は以下のとおりである。すなわち、１７０℃に加熱した液状ポリブテンにポリイソブチレンゴム、ポリエチレン、酸化防止剤を加えて、各成分が均一に溶解するまで攪拌した。次に、１７０℃に加熱した粘着性組成物（Ａ）に中分子量ポリイソブチレンを所定量添加して、各成分が均一に溶解するまで撹拌して、実施例１〜５、比較例２〜３の試料を調整した。
使用した (a)ポリイソブチレンゴム、(b)ポリエチレン、(c)中分子量ポリイソブチレン並びに(d)液状ポリブテン、は以下の通りである。
(a)ポリイソブチレンゴム；ＢＡＳＦ社製、オパノールＢ−１００、粘度平均分子量 １３０万
(b)ポリエチレン；日本ポリエチレン製、ノバテックＬＪ−６００、ＭＦＲ５．５、密度０．９３ｇ／ｃｍ３
(c)中分子量ポリイソブチレン（１）；ＪＸ日鉱日石エネルギー（株）製、テトラックス３Ｔ、粘度平均分子量 ３万
中分子量ポリイソブチレン（２）；ＪＸ日鉱日石エネルギー（株）製、テトラックス６Ｔ、粘度平均分子量 ６万
中分子量ポリイソブチレン（３）；ＢＡＳＦ社製、オパノールＢ−１５、粘度平均分子量 ８万
(d)液状ポリブテン：ＪＸ日鉱日石エネルギー（株）製、日石ポリブテンＨＶ−３００、数平均分子量
１４００
<Preparation of adhesive composition>
A composition comprising polyisobutylene, high-pressure polyethylene and liquid polybutene (adhesive composition (A)) was blended and prepared according to the blending ratio shown in Table 1. The preparation method is as follows. That is, polyisobutylene rubber, polyethylene, and an antioxidant were added to liquid polybutene heated to 170 ° C. and stirred until each component was uniformly dissolved. Next, a predetermined amount of medium molecular weight polyisobutylene was added to the adhesive composition (A) heated to 170 ° C. and stirred until each component was uniformly dissolved. Examples 1 to 5 and Comparative Examples 2 to 3 The sample was adjusted.
The (a) polyisobutylene rubber, (b) polyethylene, (c) medium molecular weight polyisobutylene and (d) liquid polybutene used are as follows.
(a) Polyisobutylene rubber; manufactured by BASF, Opanol B-100, viscosity average molecular weight 1.3 million
(b) Polyethylene: Nippon Polyethylene, Novatec LJ-600, MFR 5.5, density 0.93 g / cm 3
(c) Medium molecular weight polyisobutylene (1); manufactured by JX Nippon Mining & Energy Corporation, Tetrax 3T, viscosity average molecular weight 30,000 Medium molecular weight polyisobutylene (2); manufactured by JX Nippon Mining & Energy Corporation, Tetrax 6T, viscosity average molecular weight 60,000 Medium molecular weight polyisobutylene (3); manufactured by BASF, Opanol B-15, viscosity average molecular weight 80,000
(d) Liquid polybutene: JX Nippon Mining & Energy Co., Ltd., Nisseki Polybutene HV-300, number average molecular weight 1400
＜粘着性組成物の物性評価＞
粘着最大応力：プローブタック法に準拠し、塗布面に塗布した粘着剤に直径１／４インチ、重量１５．３ｇの金属球を接触させ、金属球を塗布面から引き離すのに必要な力を２３℃において引張試験機により測定した。粘着最大応力は、成獣のげっ歯類の捕獲性能に影響する。
延糸距離：プローブタック法に準拠し、塗布面に塗布した粘着剤に直径１／４インチ、重量１５．３ｇの金属球に接触させ、金属球を塗布面から引き離す時、粘着剤が金属球から離れた時の距離を２３℃において引張試験機により測定した。延糸距離は粘着剤の濡れ性を表わし、幼獣のげっ歯類の捕獲性能に影響する。
粘着組成物Ａの組成と評価結果を表１に示す。
<Evaluation of physical properties of adhesive composition>
Adhesive maximum stress: According to the probe tack method, a metal ball having a diameter of 1/4 inch and a weight of 15.3 g is brought into contact with the adhesive applied to the coated surface, and the force required to separate the metal ball from the coated surface is 23. It measured with the tensile tester in ° C. Adhesive maximum stress affects the capture performance of adult rodents.
Spinning distance: In accordance with the probe tack method, when the adhesive applied to the coated surface is brought into contact with a metal ball having a diameter of 1/4 inch and a weight of 15.3 g, and the metal ball is pulled away from the coated surface, the adhesive is the metal ball. The distance away from was measured at 23 ° C. with a tensile tester. The spinning distance represents the wettability of the pressure-sensitive adhesive and affects the capture performance of rodents in cubs.
The composition and evaluation results of the adhesive composition A are shown in Table 1.
＜実施例、比較例における捕獲性能評価用試験片の作成＞
厚紙にポリプロピレンフィルムをラミネートした台紙（縦２１×横１６×厚さ０．１ｃｍ）の上に、小生物捕獲材料を縦１７×横１３ｃｍの面積に所定の塗布厚に塗布した後、約１時間静置させて捕獲性能評価用の試料とした。
<Creation of test piece for capturing performance evaluation in Examples and Comparative Examples>
About 1 hour after applying a small biological capture material to an area of 17 cm in length and 13 cm in width on a mount (thickness 21 x width 16 x thickness 0.1 cm) laminated with a polypropylene film on cardboard. The sample was allowed to stand and used for evaluation of capture performance.
＜捕獲性能の評価＞
げっ歯類捕獲力（２０ｇ、１００ｇ鋼球）：傾斜角３０°の台上に粘着性組成物を塗布した台紙を置き、助走距離１０ｃｍの位置から鋼球を転がす。２０ｇ鋼球を転がした時、粘着面で鋼球が停止するか、停止後ゆっくり転がる時は、２０ｇのげっ歯類を捕獲する力があるとして○とした。また鋼球が粘着面を転がり落下する時は、２０ｇのげっ歯類を捕獲する力が無いとして×とした。
１００ｇ鋼球を転がした時、粘着面で鋼球が停止するか、停止後ゆっくり転がる時は、１００ｇのげっ歯類を捕獲する力があるとして○とした。また鋼球が停止せずに粘着面を転がり落下する時は、１００ｇのげっ歯類を捕獲する力が無いとして×とした。結果を表２に示す。
<Evaluation of capture performance>
Rodent capture force (20 g, 100 g steel ball): A mount on which the adhesive composition is applied is placed on a table with an inclination angle of 30 °, and the steel ball is rolled from a position where the running distance is 10 cm. When a 20 g steel ball was rolled, when the steel ball stopped on the adhesive surface or rolled slowly after the stop, it was rated as ○ because it had the ability to capture 20 g of rodents. Further, when the steel ball rolls and falls on the adhesive surface, it was marked as x because there was no force to capture 20 g of rodents.
When rolling a 100 g steel ball, the steel ball stops on the adhesive surface, or when it rolls slowly after the stop, it is marked as ○ because it has the ability to capture 100 g of rodents. Further, when the steel ball rolls and falls on the adhesive surface without stopping, it was evaluated as x because there was no force to capture 100 g of rodents. The results are shown in Table 2.
表２は小生物捕獲材料を厚紙にポリプロピレンフィルムをラミネートした台紙に塗布して試験した結果である。実施例１〜４は小生物捕獲用材料を本発明の条件に従って塗布して試験したものであるが、成獣のげっ歯類および幼獣のげっ歯類の何れに対しても優れた捕獲性能を示した。また、延糸距離も十分確保できた。比較例１は粘着性組成物（Ａ）を塗布したものである。成獣のげっ歯類の捕獲力は認められたが、幼獣のげっ歯類の捕獲力は無かった。比較例２では中分子量ポリイソブチレン（Ｂ）−１の添加量が多過ぎて、粘着最大応力、延糸距離が悪化して、幼獣のげっ歯類の捕獲力、成獣のげっ歯類の捕獲力は無かった。
比較例３は中分子量ポリイソブチレン（Ｂ）−２の添加量が多過ぎて、粘着最大応力、延糸距離が悪化して、幼獣のげっ歯類の捕獲力、成獣のげっ歯類の捕獲力は無かった。
比較例４は中分子量ポリイソブチレン（Ｂ）−３の粘度平均分子量が大き過ぎて、延糸距離が悪化して、幼獣げっ歯類の捕獲力が無かった。
Table 2 shows the results of testing by applying the small organism capture material to a backing paper in which a polypropylene film is laminated on cardboard. Examples 1 to 4 were tested by applying a small organism capture material according to the conditions of the present invention, and provided excellent capture performance for both adult rodents and juvenile rodents. Indicated. In addition, a sufficient length of yarn could be secured. The comparative example 1 applies an adhesive composition (A). Adult captives of rodents were recognized, but juvenile rodents were not. In Comparative Example 2, the amount of addition of medium molecular weight polyisobutylene (B) -1 is too large, and the maximum adhesion stress and the spinning distance are deteriorated, and the captive power of larvae rodents, the capture of adult rodents There was no power.
In Comparative Example 3, the addition amount of medium molecular weight polyisobutylene (B) -2 is too large, and the maximum adhesion stress and the yarn drawing distance are deteriorated, and the captive power of the larvae rodents, the capture of the adult rodents There was no power.
In Comparative Example 4, the viscosity average molecular weight of the medium molecular weight polyisobutylene (B) -3 was too large, the spinning distance was deteriorated, and there was no capture ability of the cub rodents.
本発明の小生物捕獲材料は、体重の軽い小生物ならびに体重の重い小生物何れに対しても優れた捕獲性能を示す。したがって、本発明の捕獲材料を用いることにより、一種類の捕獲材で以って幼獣から成獣まで幅広い対象物を捕獲できる。 The small organism capture material of the present invention exhibits excellent capture performance for both small and heavy organisms. Therefore, by using the capture material of the present invention, a wide range of objects from young animals to adult animals can be captured with a single type of capture material.
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| JPH10304807A (en) * | 1997-05-07 | 1998-11-17 | Nof Corp | Adhesive composition for capturing harmful, small animal |
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| JPH1112102A (en) * | 1997-06-27 | 1999-01-19 | Nof Corp | Tacky agent composition for capturing noxious small animal |
| JP4791821B2 (en) * | 2005-12-28 | 2011-10-12 | Ｊｘ日鉱日石エネルギー株式会社 | Adhesive composition for capturing small organisms |
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