JP4959479B2 - Insect trapping sheet - Google Patents
Insect trapping sheet Download PDFInfo
- Publication number
- JP4959479B2 JP4959479B2 JP2007230380A JP2007230380A JP4959479B2 JP 4959479 B2 JP4959479 B2 JP 4959479B2 JP 2007230380 A JP2007230380 A JP 2007230380A JP 2007230380 A JP2007230380 A JP 2007230380A JP 4959479 B2 JP4959479 B2 JP 4959479B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- sensitive adhesive
- sheet
- adhesive sheet
- adhesive layer
- 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.)
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- 241000238631 Hexapoda Species 0.000 title claims description 63
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 77
- 239000010410 layer Substances 0.000 claims description 31
- 239000000853 adhesive Substances 0.000 claims description 30
- 230000001070 adhesive effect Effects 0.000 claims description 30
- 239000004014 plasticizer Substances 0.000 claims description 28
- 229920000098 polyolefin Polymers 0.000 claims description 19
- 229920000642 polymer Polymers 0.000 claims description 18
- 229920001971 elastomer Polymers 0.000 claims description 17
- 239000000806 elastomer Substances 0.000 claims description 17
- 238000002834 transmittance Methods 0.000 claims description 13
- 241000607479 Yersinia pestis Species 0.000 claims description 11
- 238000010008 shearing Methods 0.000 claims description 10
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
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- 238000000034 method Methods 0.000 description 19
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- 230000006866 deterioration Effects 0.000 description 2
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- VJHINFRRDQUWOJ-UHFFFAOYSA-N dioctyl sebacate Chemical compound CCCCC(CC)COC(=O)CCCCCCCCC(=O)OCC(CC)CCCC VJHINFRRDQUWOJ-UHFFFAOYSA-N 0.000 description 1
- ASMQGLCHMVWBQR-UHFFFAOYSA-M diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)([O-])OC1=CC=CC=C1 ASMQGLCHMVWBQR-UHFFFAOYSA-M 0.000 description 1
- YCZJVRCZIPDYHH-UHFFFAOYSA-N ditridecyl benzene-1,2-dicarboxylate Chemical compound CCCCCCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCCCCCCC YCZJVRCZIPDYHH-UHFFFAOYSA-N 0.000 description 1
- QQVHEQUEHCEAKS-UHFFFAOYSA-N diundecyl benzene-1,2-dicarboxylate Chemical compound CCCCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCCCCC QQVHEQUEHCEAKS-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- ZJXZSIYSNXKHEA-UHFFFAOYSA-N ethyl dihydrogen phosphate Chemical compound CCOP(O)(O)=O ZJXZSIYSNXKHEA-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- RBNPOMFGQQGHHO-UHFFFAOYSA-N glyceric acid Chemical compound OCC(O)C(O)=O RBNPOMFGQQGHHO-UHFFFAOYSA-N 0.000 description 1
- 235000013773 glyceryl triacetate Nutrition 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 1
- YAFOVCNAQTZDQB-UHFFFAOYSA-N octyl diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)(OCCCCCCCC)OC1=CC=CC=C1 YAFOVCNAQTZDQB-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000003016 pheromone Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000029264 phototaxis Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 229940116351 sebacate Drugs 0.000 description 1
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- GNCDUZFXTFAOBE-UHFFFAOYSA-N tetrakis(2-ethylhexyl) benzene-1,2,4,5-tetracarboxylate Chemical compound CCCCC(CC)COC(=O)C1=CC(C(=O)OCC(CC)CCCC)=C(C(=O)OCC(CC)CCCC)C=C1C(=O)OCC(CC)CCCC GNCDUZFXTFAOBE-UHFFFAOYSA-N 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- WEAPVABOECTMGR-UHFFFAOYSA-N triethyl 2-acetyloxypropane-1,2,3-tricarboxylate Chemical compound CCOC(=O)CC(C(=O)OCC)(OC(C)=O)CC(=O)OCC WEAPVABOECTMGR-UHFFFAOYSA-N 0.000 description 1
- 239000001069 triethyl citrate Substances 0.000 description 1
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 1
- 235000013769 triethyl citrate Nutrition 0.000 description 1
- 125000005590 trimellitic acid group Chemical class 0.000 description 1
- FJFYFBRNDHRTHL-UHFFFAOYSA-N tris(8-methylnonyl) benzene-1,2,4-tricarboxylate Chemical compound CC(C)CCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC(C)C)C(C(=O)OCCCCCCCC(C)C)=C1 FJFYFBRNDHRTHL-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Landscapes
- Catching Or Destruction (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
本発明は、捕虫用粘着シートに関する。さらに詳しくは、本発明は、基材シートの一方の面に捕虫用の粘着剤層を有し、飛翔性害虫を効率よく捕殺することができると共に、加工性や保存性が良好な捕虫用粘着シート、特に紫外線誘引型の捕虫器に好適に使用し得る紫外線透過性及び耐紫外線劣化性に優れる捕虫用粘着シートに関するものである。 The present invention relates to an insect trapping adhesive sheet. More specifically, the present invention has an insecticide-use pressure-sensitive adhesive layer on one surface of the substrate sheet, can efficiently kill flying insects, and has good processability and storage stability. The present invention relates to a pressure-sensitive adhesive sheet for trapping that is excellent in ultraviolet-ray permeability and UV-resistant deterioration, which can be suitably used for a sheet, in particular, an ultraviolet-induced insect trap.
従来、ハエなどの飛翔性害虫を駆除するためにはハエトリ紙が用いられていた。このハエトリ紙は表面に粘着剤を塗設して形成したもので、ハエが発生しやすい場所に設置し、表面の粘着性によりハエを捕獲するものであったが、捕獲能力や捕獲できる害虫の種類が少ないといった問題から、その使用頻度が年々低下しつつあり、近年、殺虫剤を散布する駆除方法が主流となってきた。しかし、このように殺虫剤を散布する方法では、飛翔性害虫に対する効果は充分であるというものの、反面、散布された土壌や植物に対して、好ましくない生物活性や化学的特性を与えてしまい、自然環境や人体に悪影響を及ぼしてしまうなどの問題がある。そこで、最近、自然環境や人体に悪影響を与えることなく、害虫を捕獲できるハエトリ紙などの粘着性捕獲体が見直されるようになってきており、例えば分子量が１万〜５０万、且つ不飽和度が５モル％以下の高分子エラストマーと、分子量１００〜１万の軟化剤とからなる粘着剤組成物であって、荷重１０ｇ／ｃｍ2の時のズレ速度が１ｍｍ／ｍｉｎ以下、且つ荷重５０ｇ／ｃｍ2の時のズレ速度が１ｍｍ／ｍｉｎ以上であることを特徴とする飛翔害虫捕殺用粘着剤組成物が開示されている（例えば、特許文献１参照）。
一方、様々な産業における工場において、製品中への害虫類の混入は重大な問題であるため、各種の対策が行われている。その中で、虫の走光性という習性を利用した紫外線誘引型の捕虫器が知られている（例えば、特許文献２参照）。
この紫外線誘引型の捕虫器は、高い捕虫性や電撃殺虫器でみられるような死骸の飛散がない、メンテナンスが容易であるなどの観点から多く使用されてきている。この捕虫器に使用される粘着シートは、紫外線による誘虫性を考慮して、紫外線透過性及び耐紫外線劣化性が要求性能として挙げられる。また比較的体重が軽い飛翔性の害虫が対象となるため、凝集力が非常に低い粘着剤を用いるのが一般的である。しかし、凝集力が非常に低いため、加工性、保存性という点で劣り、ロール端面からの粘着剤のしみ出しや剥離シートから剥がす際の粘着剤層の凝集破壊が問題であった。
なお、前記特許文献１における技術は、紫外線誘引型の捕虫器に適用し得る技術ではない。
On the other hand, in plants in various industries, various measures are taken because the mixture of pests into products is a serious problem. Among them, an ultraviolet attracting type insect trap utilizing the habit of insect phototaxis is known (for example, see Patent Document 2).
This ultraviolet attracting type insect trap has been widely used from the viewpoints of high trapping property, no scattering of dead bodies as seen in electric shock killers, and easy maintenance. The pressure-sensitive adhesive sheet used in this insect trapping device includes ultraviolet transmittance and resistance to ultraviolet deterioration as required performance in consideration of insect attracting property by ultraviolet rays. In addition, since flying insect pests that are relatively light in weight are targeted, it is common to use an adhesive that has a very low cohesive force. However, since the cohesive force is very low, it is inferior in terms of workability and storage stability, and the problem of cohesive failure of the pressure-sensitive adhesive layer when exfoliating the pressure-sensitive adhesive from the roll end surface or peeling from the release sheet has been a problem.
In addition, the technique in the said patent document 1 is not a technique which can be applied to an ultraviolet attracting type insect trap.
本発明は、このような事情のもとで、基材シートの一方の面に捕虫用の粘着剤層を有し、飛翔性害虫を効率よく捕殺することができると共に、加工性や保存性が良好な捕虫用粘着シート、特に紫外線誘引型の捕虫器に好適に使用し得る紫外線透過性及び耐紫外線劣化性に優れる捕虫用粘着シートを提供することを目的としてなされたものである。 Under such circumstances, the present invention has a pesticide-use pressure-sensitive adhesive layer on one side of the base sheet, and can efficiently kill flying pests, and has processability and storage stability. The present invention has been made for the purpose of providing an excellent insect trapping adhesive sheet, particularly an insect trapping adhesive sheet that can be suitably used for an ultraviolet attracting type insect trap and has excellent ultraviolet transparency and UV resistance.
本発明者は、前記の好ましい性質を有する捕虫用粘着シートを開発すべく鋭意研究を重ねた結果、基材シートの一方の面に、粘着剤層として、特定の分子量を有するポリオレフィン系高分子エラストマーと、非重合型可塑剤とを特定の割合で含むものを設け、かつ当該粘着シートの粘着剤層面同士を重ね合わせた場合の粘着剤層のせん断力が、ある範囲にある粘着シートが、その目的に適合し得ることを見出し、この知見に基づいて本発明を完成するに至った。
すなわち、本発明は、
［１］基材シートの一方の面に、（Ａ）数平均分子量が８,０００〜１５万であるポリオレフィン系高分子エラストマーと、その１００質量部に対し、（Ｂ）非重合型可塑剤５質量部以上１５０質量部未満を含む粘着剤層を有する粘着シートであって、当該粘着シートの粘着剤層面同士を重ね合わせた場合のせん断力が、５〜７０Ｎ／３５ｍｍ×３５ｍｍであることを特徴とする捕虫用粘着シート、
［２］波長３４０〜４４０ｎｍにおける紫外線透過率の最小値が７０％以上であって、背面（基材シート）側から、３４０〜４４０ｎｍの波長領域に発光ピークを有する紫外光を透過させ、粘着剤層面に走光性害虫を誘引・捕獲する上記[１]項に記載の捕虫用粘着シート、
［３］（Ａ）ポリオレフィン系高分子エラストマーが、数平均分子量１万〜５万のものである上記[１]又は[２]項に記載の捕虫用粘着シート、
［４］（Ｂ）非重合型可塑剤が、２３℃において液状である上記[１]〜[３]項のいずれかに記載の捕虫用粘着シート、及び
［５］粘着剤層の厚さが、１０〜２００μｍである上記[１]〜[４]項のいずれかに記載の捕虫用粘着シート、
を提供するものである。
As a result of intensive research to develop the insect trapping pressure-sensitive adhesive sheet having the above-mentioned preferable properties, the present inventor has obtained a polyolefin-based polymer elastomer having a specific molecular weight as an adhesive layer on one surface of the base sheet. And a pressure-sensitive adhesive sheet having a specific ratio of the non-polymerizing plasticizer and the pressure-sensitive adhesive layer having a shearing force when the pressure-sensitive adhesive layer surfaces of the pressure-sensitive adhesive sheet are overlapped with each other, Based on this finding, the present invention has been completed.
That is, the present invention
[1] On one surface of the base sheet, (A) a polyolefin polymer elastomer having a number average molecular weight of 8,000 to 150,000 and 100 parts by mass of (B) non-polymerizable plasticizer 5 A pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer containing at least part by mass and less than 150 parts by mass, wherein a shear force when the pressure-sensitive adhesive layer surfaces of the pressure-sensitive adhesive sheet are overlapped is 5 to 70 N / 35 mm × 35 mm. Insect trapping adhesive sheet,
[2] The minimum value of the ultraviolet transmittance at a wavelength of 340 to 440 nm is 70% or more, and UV light having a light emission peak in the wavelength region of 340 to 440 nm is transmitted from the back surface (base material sheet) side, The insect trapping adhesive sheet according to item [1], wherein the layer surface attracts and captures phototactic pests,
[3] The insect trapping pressure-sensitive adhesive sheet according to the above [1] or [2], wherein the (A) polyolefin polymer elastomer has a number average molecular weight of 10,000 to 50,000,
[4] The insect trapping pressure-sensitive adhesive sheet according to any one of [1] to [3] above, wherein the (B) non-polymerizable plasticizer is liquid at 23 ° C., and [5] the pressure-sensitive adhesive layer has a thickness. , The insect trapping pressure-sensitive adhesive sheet according to any one of [1] to [4] above, which is 10 to 200 μm,
Is to provide.
本発明によれば、基材シートの一方の面に捕虫用の粘着剤層を有し、飛翔性害虫を効率よく捕殺することができると共に、加工性や保存性が良好な捕虫用粘着シート、特に紫外線誘引型の捕虫器に好適に使用し得る紫外線透過性及び耐紫外線劣化性に優れる捕虫用粘着シートを提供することができる。 According to the present invention, the pressure-sensitive adhesive sheet for insect trapping has an adhesive layer for trapping insects on one side of the base sheet, can efficiently kill flying insects, and has good processability and storage stability. In particular, it is possible to provide an insect trapping pressure-sensitive adhesive sheet that is suitable for use in an ultraviolet attracting type insect trap and is excellent in UV transmittance and UV resistance.
本発明の捕虫用粘着シートは、基材シートの一方の面に、（Ａ）数平均分子量が８,０００〜１５万であるポリオレフィン系高分子エラストマーと、その１００質量部に対し、（Ｂ）非重合型可塑剤５質量部以上１５０質量部未満を含む粘着剤層を有する粘着シートである。
［基材シート］
本発明の捕虫用粘着シートにおける基材シートの種類に特に制限はないが、紫外線誘引型の捕虫器への適用を考慮して、３４０〜４４０ｎｍの波長領域に発光ピークをもつ紫外光に対する透過性の良好なものが好ましい。例えばポリエチレン樹脂、ポリプロピレン樹脂等のポリオレフィン樹脂、ポリブチレンテレフタレート樹脂、ポリエチレンテレフタレート樹脂などのポリエステル樹脂、ポリスチレン樹脂、塩化ビニル樹脂などのプラスチックのフィルム、シート及びこれらの樹脂の混合物又は積層物からなるプラスチックフィルム、シート等が挙げられる。これらの基材シートは、未延伸でもよいし、縦又は横の一軸方向、あるいは二軸方向に延伸処理されたものであってもよい。さらに、上述した波長領域以外の紫外線吸収剤、光安定剤、酸化防止剤、帯電防止剤、スリップ剤、アンチブロッキング剤などが含有されていてもよい。
The pressure-sensitive adhesive sheet for catching insects of the present invention comprises (A) a polyolefin polymer elastomer having a number average molecular weight of 8,000 to 150,000 and 100 parts by mass on one surface of the base sheet. A pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer containing 5 parts by mass or more and less than 150 parts by mass of a non-polymerization type plasticizer.
[Base material sheet]
Although there is no restriction | limiting in particular in the kind of base material sheet in the adhesive sheet for insect traps of this invention, Considering the application to an ultraviolet attracting type insect trap, the transmittance | permeability with respect to the ultraviolet light which has an emission peak in the wavelength range of 340-440 nm Are preferable. For example, polyolefin films such as polyethylene resins and polypropylene resins, polybutylene terephthalate resins, polyester resins such as polyethylene terephthalate resins, plastic films such as polystyrene resins and vinyl chloride resins, sheets, and plastic films made of a mixture or laminate of these resins , Sheets and the like. These substrate sheets may be unstretched, or may be stretched in the longitudinal or lateral uniaxial direction or the biaxial direction. Furthermore, ultraviolet absorbers, light stabilizers, antioxidants, antistatic agents, slip agents, antiblocking agents and the like other than those described above may be contained.
また、当該基材シートは、性能を損なわない範囲内で、その上に設けられる粘着剤層との密着性を向上させるために、所望により酸化法や凹凸化法などの表面処理を施すことができる。上記酸化法としては、特には限定されないが例えばコロナ放電処理法、クロム酸酸化（湿式）、火炎処理、熱風処理、オゾン・プラズマ照射処理などが挙げられ、また、凹凸化法としては、特には限定されないが、例えばサンドブラスト法、溶剤処理法等が挙げられる。これらの表面処理法は基材シートの種類に応じて適宜選定されるが、一般にはコロナ放電処理法が効果及び操作性などの面から、好ましく用いられる。また、プライマー処理を施すこともできる。
当該基材シートの厚さに特に制限はないが、前記波長領域の紫外線透過性及び適度の剛性などの観点から、通常１０〜２５０μｍ程度、好ましくは２０〜１５０μｍである。
In addition, the base sheet may be subjected to a surface treatment such as an oxidation method or a concavo-convex method, if desired, in order to improve the adhesion with the pressure-sensitive adhesive layer provided on the base sheet as long as the performance is not impaired. it can. Examples of the oxidation method include, but are not limited to, corona discharge treatment method, chromic acid oxidation (wet), flame treatment, hot air treatment, ozone plasma irradiation treatment, and the like. Although not limited, for example, a sand blasting method, a solvent processing method and the like can be mentioned. These surface treatment methods are appropriately selected depending on the type of the base sheet, but generally, a corona discharge treatment method is preferably used from the viewpoints of effects and operability. Moreover, primer treatment can also be performed.
Although there is no restriction | limiting in particular in the thickness of the said base material sheet, From viewpoints, such as the ultraviolet-ray transmittance of the said wavelength range, and moderate rigidity, it is about 10-250 micrometers normally, Preferably it is 20-150 micrometers.
［粘着剤層］
本発明の捕虫用粘着シートにおいて、前記基材シートの一方の面に設けられる粘着剤層は、必須成分として、ポリオレフィン系高分子エラストマーと非重合型可塑剤を含有する。
（ポリオレフィン系高分子エラストマー）
当該粘着剤層に、必須成分の一つとして用いられるポリオレフィン系高分子エラストマーは、数平均分子量が８,０００〜１５万のものである。この数平均分子量が上記の範囲にあれば、粘着剤自体が柔かすぎたり、硬すぎることがなく、飛翔性害虫の捕獲性が良好となる。好ましい数平均分子量は１万〜５万である。なお、上記数平均分子量は、ゲルパーミエーションクロマトグラフィー（ＧＰＣ）法で測定されるポリスチレン換算の値である。
このようなポリオレフィン系高分子エラストマーとしては、例えばエチレン−プロピレン共重合体、ポリブテン、ポリイソブチレンなどが挙げられ、これらは１種を単独で用いてもよいし、２種以上を組み合わせて用いてもよいが、飛翔性害虫に対して優れた捕獲能力を示す観点から、特にポリブテン及びポリイソブチレンが好適である。
[Adhesive layer]
In the insect trapping pressure-sensitive adhesive sheet of the present invention, the pressure-sensitive adhesive layer provided on one surface of the base sheet contains a polyolefin-based polymer elastomer and a non-polymerizable plasticizer as essential components.
(Polyolefin polymer elastomer)
The polyolefin polymer elastomer used as one of the essential components in the pressure-sensitive adhesive layer has a number average molecular weight of 8,000 to 150,000. If this number average molecular weight is in the above range, the pressure-sensitive adhesive itself is not too soft or too hard, and the trapping property of the flying insects becomes good. A preferred number average molecular weight is 10,000 to 50,000. In addition, the said number average molecular weight is a value of polystyrene conversion measured by a gel permeation chromatography (GPC) method.
Examples of such polyolefin polymer elastomer include ethylene-propylene copolymer, polybutene, polyisobutylene, etc., and these may be used alone or in combination of two or more. However, polybutene and polyisobutylene are particularly preferable from the viewpoint of showing an excellent capturing ability against flying insect pests.
（非重合型可塑剤）
当該粘着剤層において、もう一つの必須成分として用いられる非重合型可塑剤は、従来、硬くて剛性をもつポリマーに配合して、柔軟性、弾性、加工性などを付与するために用いられる化合物、いわゆる可塑剤として知られている化合物の中で、ポリエステル、ポリエーテル、アルキド樹脂、トルエンスルホンアミド−ホルムアルデヒド樹脂、ポリ−α−メチルスチレン、液状ポリクロロプレン、液状α−オレフィン重合体などの重合型の可塑剤ではなく、重合形態を有しない可塑剤を指す。一般に、分子量１００〜１０００程度のものが用いられる。
本発明においては、この非重合型可塑剤は、捕虫性などの観点から、２３℃で液状であるものが好ましく、耐紫外線劣化性の観点から、分子内にエチレン性不飽和結合を有しないものが好ましい。
本発明において用いる非重合型可塑剤としては、フタル酸誘導体、イソフタル酸・テレフタル酸誘導体、テトラヒドロフタル酸誘導体、リン酸誘導体、アジピン酸誘導体、セバシン酸誘導体、アゼライン酸誘導体、クエン酸誘導体、トリメリット酸誘導体、グリコール酸誘導体、グリセリン誘導体、鉱物油系可塑剤、その他可塑剤などを挙げることができる。
(Non-polymerization type plasticizer)
The non-polymerizing plasticizer used as another essential component in the pressure-sensitive adhesive layer is a compound conventionally used for adding flexibility, elasticity, workability, etc. by blending with a hard and rigid polymer. Among the compounds known as so-called plasticizers, polymerization types such as polyester, polyether, alkyd resin, toluenesulfonamide-formaldehyde resin, poly-α-methylstyrene, liquid polychloroprene, and liquid α-olefin polymer It refers to a plasticizer having no polymerized form. Generally, those having a molecular weight of about 100 to 1000 are used.
In the present invention, the non-polymerizable plasticizer is preferably liquid at 23 ° C. from the viewpoint of insect trapping and the like, and has no ethylenically unsaturated bond in the molecule from the viewpoint of UV resistance. Is preferred.
Nonpolymerizable plasticizers used in the present invention include phthalic acid derivatives, isophthalic acid / terephthalic acid derivatives, tetrahydrophthalic acid derivatives, phosphoric acid derivatives, adipic acid derivatives, sebacic acid derivatives, azelaic acid derivatives, citric acid derivatives, trimellit Examples include acid derivatives, glycolic acid derivatives, glycerin derivatives, mineral oil plasticizers, and other plasticizers.
ここで、フタル酸誘導体としては、例えば、ジメチルフタレート、ジブチルフタレート、ジエチルフタレート、ジヘプチルフタレート、ジ(２−エチルヘキシル)フタレート、ジイソオクチルフタレート、ジｎ−オクチルフタレート、ジノニルフタレート、ジイソノニルフタレート、ジイソデシルフタレート、ジウンデシルフタレート、ジラウリルフタレート、ジトリデシルフタレート、ジイソブチルフタレート、ジベンジルフタレート、ブチルベンジルフタレート、ジシクロヘキシルフタレート、ジメトキシエチルフタレート、ジブトキシエチルエチルフタレート、ジメチルシクロヘキシルフタレート、オクチルデシルフタレート、オクチルベンジルフタレート、ｎ−ヘキシルｎ−デシルフタレート、ｎ−オクチルｎ−デシルフタレートなどが挙げられ、イソフタル酸・テレフタル誘導体としては、ジ−(２−エチルヘキシル)イソフタレート、ジイソオクチルイソフタレート、ジ−(２−エチルヘキシル)テレフタレートなどが挙げられ、テトラヒドロフタル酸誘導体としては、例えば、ジ(２−エチルヘキシル)テトラヒドロフタレート、ジ−ｎ−オクチルテトラヒドロフタレート、ジイソデシルテトラヒドロフタレートなどが挙げられ、リン酸誘導体としては、例えばトリクレジルホスフェート、トリオクチルホスフェート、オクチルジフェニルホスフェート、クレジルジフェニルホスフェート、トリクロロエチルホスフェート、ビスフェノールＡジフェニルホスフェート、ビスフェノールＡジキシレニルホスフェートなどが挙げられる。 Here, as the phthalic acid derivative, for example, dimethyl phthalate, dibutyl phthalate, diethyl phthalate, diheptyl phthalate, di (2-ethylhexyl) phthalate, diisooctyl phthalate, di-n-octyl phthalate, dinonyl phthalate, diisononyl phthalate, Diisodecyl phthalate, diundecyl phthalate, dilauryl phthalate, ditridecyl phthalate, diisobutyl phthalate, dibenzyl phthalate, butyl benzyl phthalate, dicyclohexyl phthalate, dimethoxyethyl phthalate, dibutoxyethyl ethyl phthalate, dimethyl cyclohexyl phthalate, octyl decyl phthalate, octyl benzyl phthalate N-hexyl n-decyl phthalate, n-octyl n-decyl phthalate, etc. Examples of the isophthalic acid / terephthalic acid derivative include di- (2-ethylhexyl) isophthalate, diisooctylisophthalate, and di- (2-ethylhexyl) terephthalate. Examples of the tetrahydrophthalic acid derivative include di- (2-Ethylhexyl) tetrahydrophthalate, di-n-octyltetrahydrophthalate, diisodecyltetrahydrophthalate and the like can be mentioned. Examples of phosphoric acid derivatives include tricresyl phosphate, trioctyl phosphate, octyl diphenyl phosphate, cresyl diphenyl phosphate, trichloro Examples include ethyl phosphate, bisphenol A diphenyl phosphate, bisphenol A dixylenyl phosphate, and the like.
アジピン酸誘導体としては、例えばジメチルアジペート、ジブチルアジペート、ジイソデシルアジペート、ジイソブチルアジペート、ジイソノニルアジペート、ジ(２−エチルヘキシル)アジペート、ジｎ−オクチルアジペート、ジデシルアジペート、ｎ−オクチルｎ−デシルアジペート、ｎ−ヘプチルｎ−ノニルアジペート、ベンジルオクチルアジペート、ジブチルジグリコールアジペートなどが挙げられ、セバシン酸誘導体としては、例えばジｎ−ブチルセバケート、ジｎ−オクチルセバケート、ジイソオクチルセバケート、ビス(２−エチルヘキシル)セバケート、ブチルベンジルセバケートなどが挙げられ、アゼライン酸誘導体としては、例えば、ジ(２−エチルヘキシル)アゼレート、ジｎ−ヘキシルアゼレート、ジメチルアゼレート、ジベンジルアゼレート、ジブトキシエチルアゼレート、ジイソオクチルアゼレートなどが挙げられる。
クエン酸誘導体としては、例えばトリエチルシトレート、アセチルトリエチルシトレート、トリブチルシトレート、アセチルトリブチルシトレート、アセチルトリオクチルシトレートなどが挙げられ、トリメリット酸誘導体としては、例えばトリ(２−エチルヘキシル)トリメリテート、トリｎ−オクチルｎ−デシルトリメリテート、トリイソデシルトリメリテートなどが挙げられ、グリコール酸誘導体としては、例えばメチルフタリルエチルグリコレート、エチルフタリルエチルグリコレート、ブチルフタリルブチルグリコレートなどが挙げられ、グリセリン誘導体としては、例えばグリセロールモノアセテート、グリセロールジアセテート、グリセロールトリアセテート、グリセロールトリブチレート、グリセロールエーテルアセテートなどが挙げられ、鉱物油系可塑剤としては、例えばプロセス油、流動パラフィンなどが挙げられる。その他可塑剤としては、例えばテトラ(２−エチルヘキシル)ピロメリテート、テトラｎ−オクチルピロメリテート、ジイソデシルサクシネート、塩素化パラフィン、部分水添ターフェニル、ジベンジルエーテルなどが挙げられる。
Examples of adipic acid derivatives include dimethyl adipate, dibutyl adipate, diisodecyl adipate, diisobutyl adipate, diisononyl adipate, di (2-ethylhexyl) adipate, di-n-octyl adipate, didecyl adipate, n-octyl n-decyl adipate, n- Examples include heptyl n-nonyl adipate, benzyl octyl adipate, dibutyl diglycol adipate and the like. Examples of sebacic acid derivatives include di n-butyl sebacate, di n-octyl sebacate, diisooctyl sebacate, bis (2-ethylhexyl). Sebacate, butylbenzyl sebacate and the like. Examples of azelaic acid derivatives include di (2-ethylhexyl) azelate, di-n-hexylazelate, dimethylazelate, Njiruazereto, dibutoxyethyl azelate, and the like diisooctyl azelate.
Examples of the citric acid derivative include triethyl citrate, acetyl triethyl citrate, tributyl citrate, acetyl tributyl citrate, and acetyl trioctyl citrate. Examples of the trimellitic acid derivative include tri (2-ethylhexyl) trimellitate. , Tri-n-octyl-n-decyl trimellitate, triisodecyl trimellitate and the like. Examples of glycolic acid derivatives include methyl phthalyl ethyl glycolate, ethyl phthalyl ethyl glycolate, butyl phthalyl butyl glycolate Examples of glycerin derivatives include glycerol monoacetate, glycerol diacetate, glycerol triacetate, glycerol tributyrate, and glycerol ether acetate. And examples of the mineral oil plasticizer, for example process oil, liquid paraffin and the like. Examples of other plasticizers include tetra (2-ethylhexyl) pyromellitate, tetra n-octyl pyromellitate, diisodecyl succinate, chlorinated paraffin, partially hydrogenated terphenyl, and dibenzyl ether.
本発明においては、（Ｂ）成分の非重合型可塑剤は１種を単独で用いてもよく、２種以上を組み合わせて用いてもよい。また、当該粘着剤層における（Ｂ）成分の非重合型可塑剤の含有量は、前記（Ａ）成分のポリオレフィン系高分子エラストマー１００質量部に対して、５質量部以上１５０質量部未満である。非重合型可塑剤の含有量が５質量部未満であると、捕虫性が低下し、一方１５０質量部以上であると、剥離シートから粘着シートを剥がす際の粘着剤層中の凝集破壊の発生や、保存安定性の低下などが生じる。この非重合型可塑剤の好ましい含有量は、８〜１００質量部である。
本発明の捕虫用粘着シートにおける粘着剤層には、本発明の効果が損なわれない範囲で、必要に応じ３４０〜４４０ｎｍの波長領域以外の紫外線吸収剤、光安定剤、酸化防止剤、防腐剤、防錆剤、無機粉末や金属粉末などの充填剤、着色剤等の公知の各種添加剤あるいはフェロモンなどの誘引物質などを含有させることができる。
In the present invention, the non-polymerizable plasticizer of the component (B) may be used alone or in combination of two or more. In addition, the content of the non-polymerizable plasticizer of the component (B) in the pressure-sensitive adhesive layer is 5 parts by mass or more and less than 150 parts by mass with respect to 100 parts by mass of the polyolefin polymer elastomer of the component (A). . If the content of the non-polymerization type plasticizer is less than 5 parts by mass, the insect trapping property is lowered. On the other hand, if the content is 150 parts by mass or more, the occurrence of cohesive failure in the adhesive layer when peeling the adhesive sheet from the release sheet. In addition, the storage stability is reduced. The preferred content of this non-polymerizing plasticizer is 8 to 100 parts by mass.
The pressure-sensitive adhesive layer in the insect trapping pressure-sensitive adhesive sheet of the present invention is an ultraviolet absorber other than the wavelength region of 340 to 440 nm, a light stabilizer, an antioxidant, and an antiseptic, as necessary, as long as the effects of the present invention are not impaired. In addition, rust inhibitors, fillers such as inorganic powders and metal powders, various known additives such as coloring agents, and attractants such as pheromones can be included.
（粘着剤層の形成）
次に、基材シートの一方の面に粘着剤層を形成する方法について説明する。
まず、前記の（Ａ）ポリオレフィン系高分子エラストマーと、前記の（Ｂ）非重合型可塑剤とを所定の割合で含み、必要に応じて前記の各種添加剤を含む粘着剤組成物を調製する。なお、この粘着剤組成物の調製においては、無溶媒で行ってもよいし、必要に応じ適当な溶媒を適宜含有させることができる。
次に、このようにして調製された粘着剤組成物を、無溶媒の場合はホットメルト化し基材シートの一方の面に塗布、冷却固化して粘着剤層を形成させる。また、粘着剤組成物を溶媒希釈した場合は、基材シートの一方の面に塗布、乾燥して粘着剤層を形成させる。粘着剤組成物を基材シートの一方の面に塗布する方法としては、特に制限はなく、従来公知の塗布装置が使用可能であり、例えば、ナイフコーター、ロールコーター、ロールナイフコーター、エアナイフコーター、バーコーター、ダイコーター、カーテンコーター、グラビアコーター等の塗布装置による方法が挙げられる。
また、別の方法として、後述する剥離シートの剥離処理面に、前記の塗布装置を使用し、粘着剤組成物を塗布して、前記厚さの粘着剤層を形成したのち、この粘着剤層上に基材シートを貼り合わせる方法を用いることもできる。
粘着剤層の厚さは、特に制限はないが、通常１０〜２００μｍであり、好ましくは１５〜１５０μｍであり、より好ましくは２０〜１００μｍである。
(Formation of adhesive layer)
Next, a method for forming the pressure-sensitive adhesive layer on one surface of the base sheet will be described.
First, a pressure-sensitive adhesive composition containing the above-mentioned (A) polyolefin polymer elastomer and the above-mentioned (B) non-polymerizing plasticizer in a predetermined ratio, and containing the various additives as required is prepared. . In addition, in preparation of this adhesive composition, you may carry out without a solvent and can contain a suitable solvent suitably as needed.
Next, the pressure-sensitive adhesive composition thus prepared is hot-melted in the absence of a solvent, and is applied to one surface of the base sheet and cooled and solidified to form a pressure-sensitive adhesive layer. When the pressure-sensitive adhesive composition is diluted with a solvent, the pressure-sensitive adhesive composition is applied to one surface of the substrate sheet and dried to form a pressure-sensitive adhesive layer. The method for applying the pressure-sensitive adhesive composition to one surface of the substrate sheet is not particularly limited, and a conventionally known coating apparatus can be used. For example, a knife coater, a roll coater, a roll knife coater, an air knife coater, Examples thereof include a method using a coating apparatus such as a bar coater, a die coater, a curtain coater, or a gravure coater.
As another method, the pressure-sensitive adhesive layer is formed after the pressure-sensitive adhesive composition is applied to the release-treated surface of the release sheet, which will be described later, by applying the pressure-sensitive adhesive composition to the pressure-sensitive adhesive layer. It is also possible to use a method of laminating a base sheet on top.
Although there is no restriction | limiting in particular in the thickness of an adhesive layer, Usually, it is 10-200 micrometers, Preferably it is 15-150 micrometers, More preferably, it is 20-100 micrometers.
［剥離シート］
このようにして形成された粘着剤層の上に、所望により剥離シートを設けることができる。
前記剥離シートとしては、例えばグラシン紙のような高密度原紙、クレーコート紙、クラフト紙、上質紙などの紙、又はそれらの紙にポリエチレン樹脂などをラミネートしたラミネート紙、あるいはポリエチレンテレフタレート、ポリエチレンナフタレート、ポリオレフィンなどのプラスチックフィルムに、フッ素樹脂やシリコーン樹脂などの剥離剤を乾燥質量で０.１〜３ｇ／ｍ2程度になるように塗布し、熱硬化や紫外線硬化などによって剥離層を設けたものなどが挙げられる。この剥離シートの厚さについては特に制限はないが、通常２５〜２００μｍの範囲である。
[Peeling sheet]
A release sheet can be provided as desired on the pressure-sensitive adhesive layer thus formed.
Examples of the release sheet include high-density base paper such as glassine paper, clay-coated paper, kraft paper, high-quality paper, or laminated paper obtained by laminating polyethylene resin to these paper, or polyethylene terephthalate, polyethylene naphthalate. A release film such as a fluororesin or a silicone resin is applied to a plastic film such as polyolefin so that the dry mass is about 0.1 to 3 g / m 2 , and a release layer is provided by heat curing or ultraviolet curing. Etc. Although there is no restriction | limiting in particular about the thickness of this peeling sheet, Usually, it is the range of 25-200 micrometers.
［捕虫用粘着シート］
本発明の捕虫用粘着シートにおいては、当該粘着シートの粘着剤層面同士を重ね合わせた場合の粘着剤層のせん断力が５〜７０Ｎ／３５ｍｍ×３５ｍｍであることを要す。このせん断力が５Ｎ／３５ｍｍ×３５ｍｍ未満では剥離シート上から粘着シートを剥離する際の粘着剤層の凝集破壊や、粘着剤のしみ出しなどの保存安定性に劣り、一方７０Ｎ／３５ｍｍ×３５ｍｍを超えると捕虫性が悪くなる。好ましいせん断力は８〜６０Ｎ／３５ｍｍ×３５ｍｍである。なお、せん断力は捕虫用粘着シートを紫外線に曝露する前に測定した値である。
本発明の捕虫用粘着シートは、適当な場所に設置して、飛翔性害虫を捕獲してもよいが、以下に示すように、紫外線誘引型の捕虫器に適用し、走光性害虫を捕獲することが好ましい。
この場合、本発明の捕虫用粘着シートにおける波長３４０〜４４０ｎｍにおける紫外線透過率の最小値が７０％以上であって、背面（基材シート）側から３４０〜４４０ｎｍの波長領域に発光ピークを有する紫外光を透過させ、粘着剤層面に走光性害虫を誘引・捕獲する方法を用いることができる。
前記紫外線透過率が７０％未満では誘虫性が低下し、また紫外線による粘着剤の物性低下が生じやすくなる。該紫外線透過率は８０％以上であることが好ましい。
具体的には、３４０〜４４０ｎｍの波長領域に発光ピークをもつ紫外光を発するタテ型光源をセットした捕虫器の支柱などに本発明の捕虫用シートを粘着剤層が前面側になるように、両面粘着テープなどを用いて装着することなどにより、走光性害虫を捕獲する。
[Insect trapping adhesive sheet]
In the insect trapping pressure-sensitive adhesive sheet of the present invention, it is necessary that the shearing force of the pressure-sensitive adhesive layer is 5 to 70 N / 35 mm × 35 mm when the pressure-sensitive adhesive layer surfaces of the pressure-sensitive adhesive sheet are overlapped. When this shearing force is less than 5 N / 35 mm × 35 mm, the storage stability such as cohesive failure of the pressure-sensitive adhesive layer when the pressure-sensitive adhesive sheet is peeled off and the pressure-sensitive adhesive ooze out is inferior, while 70 N / 35 mm × 35 mm is reduced. If it exceeds, the insect trapping property becomes worse. A preferable shearing force is 8 to 60 N / 35 mm × 35 mm. The shearing force is a value measured before the insect trapping adhesive sheet is exposed to ultraviolet rays.
The insect trapping pressure-sensitive adhesive sheet of the present invention may be installed in an appropriate place to capture flying insects. However, as shown below, the insect trapping adhesive sheet is applied to an ultraviolet attracting insect trap and captures phototactic insects. It is preferable.
In this case, the minimum value of ultraviolet transmittance at a wavelength of 340 to 440 nm in the insect trapping pressure-sensitive adhesive sheet of the present invention is 70% or more, and an ultraviolet having an emission peak in a wavelength region of 340 to 440 nm from the back surface (base material sheet) side. It is possible to use a method of transmitting light and attracting / capturing phototactic pests on the surface of the pressure-sensitive adhesive layer.
If the ultraviolet transmittance is less than 70%, the insect attracting property is lowered, and the physical properties of the pressure-sensitive adhesive are easily lowered by ultraviolet rays. The ultraviolet transmittance is preferably 80% or more.
Specifically, the insect trap sheet of the present invention is placed on the front side of the insect trap column and the like, which is a vertical trap light source that emits ultraviolet light having an emission peak in the wavelength region of 340 to 440 nm. Capturing phototactic pests by using double-sided adhesive tape.
次に、本発明を実施例により、さらに詳細に説明するが、本発明は、これらの例によってなんら限定されるものではない。
なお、各例で得られた粘着シートの性能を以下に示す方法に従って評価した。
（１）紫外線透過率
粘着シートから剥離シートを剥がし、このサンプルについて、紫外可視分光光度計［島津製作所社製、機種名「ＵＶ−３１０１ＰＣ」］を用いて、波長３４０〜４４０ｎｍの紫外線透過率の最小値を測定した。
（２）剥離性
ＪＩＳ Ｚ ０２３７に準拠して、幅５０ｍｍの粘着シートを剥離シートから、０.１ｍ／ｍｉｎの剥離速度で１８０度方向に剥離した際の剥離シート表面を目視し、以下の基準で評価した。
○：剥離シート上に糊残りがなく、粘着シートが良好に剥離できる。
×：粘着剤層が凝集破壊し、剥離シート上に糊残りがある。
（３）せん断力
２３℃、５０％ＲＨの環境下で、幅３５ｍｍ、長さ３５ｍｍの粘着シートの基材シート側を両面テープを用いてステンレス鋼板に固定した試料を２つ用意し、その後、剥離シートを剥がしたのち、露出した粘着剤層面同士を重ね合わせ、１９.６Ｎローラーを用いて５往復して貼付した。
貼付３０分後、引張り試験機［オリエンテック社製、機種名「ＵＴＭ−４−１００」］を用いて、ＪＩＳ Ｚ ０２３７に準拠し、速度５０ｍｍ／ｍｉｎの条件でせん断力を測定した。
（４）捕虫性
波長３４０〜４４０ｎｍの波長領域に発光ピークをもつ紫外光を発する蛍光灯をセットしたトーセロパックス(株)製捕虫ポールに、剥離シートを剥がした粘着シートの基材側を、両面粘着テープで貼付し、埼玉県蕨市錦町５−１４−４２の場所に３０日間放置したのち、捕虫数を目視にて観察し、下記の判定基準で評価した。
◎：捕獲された虫の数が３００匹以上
○：捕獲された虫の数が１００匹以上３００匹未満
×：捕獲された虫の数が１００匹未満
EXAMPLES Next, although an Example demonstrates this invention further in detail, this invention is not limited at all by these examples.
In addition, the performance of the adhesive sheet obtained in each example was evaluated according to the method shown below.
(1) Ultraviolet transmittance The release sheet is peeled off from the pressure-sensitive adhesive sheet, and this sample has an ultraviolet transmittance of a wavelength of 340 to 440 nm using an ultraviolet-visible spectrophotometer [manufactured by Shimadzu Corporation, model name “UV-3101PC”]. The minimum value was measured.
(2) Peelability According to JIS Z 0237, the surface of the release sheet when the adhesive sheet having a width of 50 mm was peeled from the release sheet at a peel rate of 0.1 m / min in the 180-degree direction was visually observed, and the following criteria It was evaluated with.
○: There is no adhesive residue on the release sheet, and the adhesive sheet can be peeled well.
X: The pressure-sensitive adhesive layer cohesively breaks, and there is an adhesive residue on the release sheet.
(3) Shear force Under the environment of 23 ° C. and 50% RH, two samples were prepared by fixing the base sheet side of the adhesive sheet having a width of 35 mm and a length of 35 mm to the stainless steel plate using a double-sided tape, After peeling off the release sheet, the exposed pressure-sensitive adhesive layer surfaces were superposed and pasted 5 times using a 19.6N roller.
30 minutes after sticking, using a tensile tester [Orientec Co., Ltd., model name “UTM-4-100”], the shearing force was measured at a speed of 50 mm / min according to JIS Z0237.
(4) Insect catching property The base material side of the adhesive sheet from which the release sheet has been peeled off to the insect trap made by Toselopacs Co., Ltd., which is set with a fluorescent lamp that emits ultraviolet light having an emission peak in the wavelength range of 340 to 440 nm, Affixed with a double-sided adhesive tape and left for 30 days in 5-14-42 Nishiki-cho, Sakai City, Saitama Prefecture, the number of insects was observed visually and evaluated according to the following criteria.
◎: Number of captured insects is 300 or more ○: Number of captured insects is 100 or more and less than 300 ×: Number of captured insects is less than 100
実施例１
ポリオレフィン系高分子エラストマーとしてポリイソブチレン樹脂［ＢＡＳＦ社製、製品名「オパノールＢ１５Ｎ」、数平均分子量：２２０００］１００質量部（固形分）と、非重合型可塑剤としてビス(２−エチルヘキシル)セバケート［関東化学(株)製］３０質量部（固形分）とトルエン１５０質量部を混合して粘着剤組成物を得た。この粘着剤組成物をグラシン紙の片面にシリコーン処理された剥離シート上に乾燥後の厚さが３０μｍになるようにロールナイフコーターにて塗布形成し、厚さ３８μｍのポリエチレンテレフタレート（ＰＥＴ）フィルム［東レ社製、商品名「ルミラー」］に貼り合わせて粘着シートを作製した。この粘着シートについて、せん断力、紫外線透過性、捕虫性について評価した。その結果を第１表に示す。
Example 1
Polyisobutylene resin [manufactured by BASF, product name “Opanol B15N”, number average molecular weight: 22000] 100 parts by mass (solid content) as polyolefin polymer elastomer, and bis (2-ethylhexyl) sebacate as non-polymerizing plasticizer [ Kanto Chemical Co., Ltd.] 30 parts by mass (solid content) and 150 parts by mass of toluene were mixed to obtain an adhesive composition. This pressure-sensitive adhesive composition was applied and formed on a release sheet treated with silicone on one side of glassine paper with a roll knife coater so that the thickness after drying was 30 μm, and a polyethylene terephthalate (PET) film having a thickness of 38 μm [ A pressure-sensitive adhesive sheet was prepared by bonding to Toray Industries, Inc., trade name “Lumirror”. This adhesive sheet was evaluated for shearing force, ultraviolet ray permeability, and insect trapping property. The results are shown in Table 1.
実施例２
実施例１において、非重合型可塑剤の添加量を５０質量部（固形分）にした以外は、実施例１と同様に実施して粘着シートを作製し、性能評価を行った。その結果を第１表に示す。
実施例３
実施例１において、非重合型可塑剤としてジイソデシルアジペート［田岡化学工業(株)製］を用い、添加量として５０質量部（固形分）とした以外は、実施例１と同様に実施して粘着シートを作製し、性能評価を行った。その結果を第１表に示す。
実施例４
実施例１において、ポリオレフィン系高分子エラストマーとして、ポリイソブチレン樹脂［ＢＡＳＦ社製、製品名「オパノールＢ１０Ｎ」、数平均分子量：９０００］１００質量部（固形分）を用い、非重合型可塑剤の添加量を１０質量部（固形分）とした以外は、実施例１と同様に実施して粘着シートを作製し、性能評価を行った。その結果を第１表に示す。
Example 2
In Example 1, except that the addition amount of the non-polymerization type plasticizer was 50 parts by mass (solid content), an adhesive sheet was produced in the same manner as Example 1, and performance evaluation was performed. The results are shown in Table 1.
Example 3
In Example 1, adhesion was carried out in the same manner as in Example 1 except that diisodecyl adipate [manufactured by Taoka Chemical Industry Co., Ltd.] was used as the non-polymerizing plasticizer and the addition amount was 50 parts by mass (solid content). A sheet was prepared and performance evaluation was performed. The results are shown in Table 1.
Example 4
In Example 1, 100 parts by mass (solid content) of polyisobutylene resin [manufactured by BASF, product name “Opanol B10N”, number average molecular weight: 9000] (solid content) was used as the polyolefin-based polymer elastomer. A pressure-sensitive adhesive sheet was produced in the same manner as in Example 1 except that the amount was 10 parts by mass (solid content), and performance evaluation was performed. The results are shown in Table 1.
実施例５
実施例１において、ポリオレフィン系高分子エラストマーとして、ポリイソブチレン樹脂［ＢＡＳＦ社製、製品名「オパノールＢ３０Ｎ、数平均分子量：７３０００」］１００質量部（固形分）を用い、非重合型可塑剤の添加量を７０質量部（固形分）とした以外は、実施例１と同様に実施して粘着シートを作製し、性能評価を行った。その結果を第１表に示す。
実施例６
実施例１において、ポリオレフィン系高分子エラストマーとして、ポリイソブチレン樹脂［ＢＡＳＦ社製、製品名「オパノールＢ５０Ｎ、数平均分子量：１２００００」］１００質量部（固形分）を用い、非重合型可塑剤の添加量を１４０質量部（固形分）とした以外は、実施例１と同様に実施して粘着シートを作製し、性能評価を行った。その結果を第１表に示す。
Example 5
In Example 1, 100 parts by mass (solid content) of a polyisobutylene resin [manufactured by BASF, product name “Opanol B30N, number average molecular weight: 73000”] as a polyolefin-based polymer elastomer was added. A pressure-sensitive adhesive sheet was produced in the same manner as in Example 1 except that the amount was 70 parts by mass (solid content), and performance evaluation was performed. The results are shown in Table 1.
Example 6
In Example 1, 100 parts by mass (solid content) of a polyisobutylene resin [manufactured by BASF, product name “Opanol B50N, number average molecular weight: 120,000”] as a polyolefin-based polymer elastomer was added. A pressure-sensitive adhesive sheet was produced in the same manner as in Example 1 except that the amount was 140 parts by mass (solid content), and performance evaluation was performed. The results are shown in Table 1.
比較例１
実施例１において、非重合型可塑剤を添加しない以外は実施例１と同様に実施して粘着シートを作製し、性能評価を行った。その結果を第１表に示す。
比較例２
実施例１において、非重合型可塑剤の添加量を３質量部（固形分）とした以外は実施例１と同様に実施して粘着シートを作製し、性能評価を行った。その結果を第１表に示す。
比較例３
実施例１において、非重合型可塑剤の添加量を２００質量部（固形分）とした以外は実施例１と同様に実施して粘着シートを作製し、性能評価を行った。その結果を第１表に示す。
比較例４
実施例１においてポリイソブチレン樹脂［ＢＡＳＦ社製、製品名「オパノールＢ８０」、数平均分子量：２０００００］とした以外は実施例１と同様に実施して粘着シートを作製し、性能評価を行った。その結果を第１表に示す。
Comparative Example 1
In Example 1, a pressure-sensitive adhesive sheet was produced in the same manner as in Example 1 except that a non-polymerization type plasticizer was not added, and performance evaluation was performed. The results are shown in Table 1.
Comparative Example 2
In Example 1, except that the addition amount of the non-polymerization type plasticizer was 3 parts by mass (solid content), an adhesive sheet was produced in the same manner as in Example 1, and performance evaluation was performed. The results are shown in Table 1.
Comparative Example 3
In Example 1, except that the addition amount of the non-polymerization type plasticizer was 200 parts by mass (solid content), an adhesive sheet was produced in the same manner as Example 1, and performance evaluation was performed. The results are shown in Table 1.
Comparative Example 4
An adhesive sheet was produced in the same manner as in Example 1 except that the polyisobutylene resin [manufactured by BASF, product name “Opanol B80”, number average molecular weight: 200000] was used in Example 1, and performance evaluation was performed. The results are shown in Table 1.
本発明の粘着シート（実施例１〜６）は、いずれもせん断力が５〜７０Ｎ／３５ｍｍ×３５ｍｍの範囲内にあり、紫外線透過率が７０％を超え、かつ捕虫性に優れ、総合評価で合格である。
これに対し、比較例１〜４の粘着シートは、いずれもせん断力が５〜７０Ｎ／３５ｍｍ×３５ｍｍの範囲を逸脱するか、測定不能であり、紫外線透過率は７０％を超えているものの、捕虫性が、全くなしか、○又は×であって、総合評価で不合格である。
The pressure-sensitive adhesive sheets (Examples 1 to 6) of the present invention all have a shearing force in the range of 5 to 70 N / 35 mm × 35 mm, have an ultraviolet transmittance of over 70%, have excellent insect trapping properties, and are comprehensively evaluated. Pass.
On the other hand, the pressure-sensitive adhesive sheets of Comparative Examples 1 to 4 all have a shearing force that deviates from the range of 5 to 70 N / 35 mm × 35 mm or cannot be measured, and the ultraviolet transmittance exceeds 70%. There is absolutely no insect trapping property, and it is ◯ or ×, and it is rejected in the comprehensive evaluation.
本発明の捕虫用粘着シートは、基材シートの一方の面に捕虫用の粘着剤層を有し、飛翔性害虫を効率よく捕殺し得ると共に、加工性や保存性が良好であり、しかも紫外線透過性及び耐紫外線劣化性に優れ、特に紫外線誘引型の捕虫器に好適に使用することができる。 The insect trapping pressure-sensitive adhesive sheet of the present invention has a trapping pressure-sensitive adhesive layer on one side of the substrate sheet, can efficiently kill flying pests, has good workability and storage stability, and has an ultraviolet ray. It is excellent in transparency and UV resistance, and can be suitably used particularly for an ultraviolet attracting type insect trap.
Claims (5)
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| JPH05260888A (en) * | 1992-03-23 | 1993-10-12 | Shinto Paint Co Ltd | Tacky capturing tool for harmful small animal |
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