JP4828800B2 - Pest control aerosol - Google Patents
Pest control aerosol Download PDFInfo
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- JP4828800B2 JP4828800B2 JP2004093253A JP2004093253A JP4828800B2 JP 4828800 B2 JP4828800 B2 JP 4828800B2 JP 2004093253 A JP2004093253 A JP 2004093253A JP 2004093253 A JP2004093253 A JP 2004093253A JP 4828800 B2 JP4828800 B2 JP 4828800B2
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- aerosol
- pest control
- pyrethrin
- stock solution
- solvent
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- 239000000443 aerosol Substances 0.000 title claims description 66
- 241000607479 Yersinia pestis Species 0.000 title claims description 27
- 239000002904 solvent Substances 0.000 claims description 25
- VQXSOUPNOZTNAI-UHFFFAOYSA-N Pyrethrin I Natural products CC(=CC1CC1C(=O)OC2CC(=O)C(=C2C)CC=C/C=C)C VQXSOUPNOZTNAI-UHFFFAOYSA-N 0.000 claims description 21
- HYJYGLGUBUDSLJ-UHFFFAOYSA-N pyrethrin Natural products CCC(=O)OC1CC(=C)C2CC3OC3(C)C2C2OC(=O)C(=C)C12 HYJYGLGUBUDSLJ-UHFFFAOYSA-N 0.000 claims description 21
- VJFUPGQZSXIULQ-XIGJTORUSA-N pyrethrin II Chemical group CC1(C)[C@H](/C=C(\C)C(=O)OC)[C@H]1C(=O)O[C@@H]1C(C)=C(C\C=C/C=C)C(=O)C1 VJFUPGQZSXIULQ-XIGJTORUSA-N 0.000 claims description 21
- 239000011550 stock solution Substances 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 239000003380 propellant Substances 0.000 claims description 9
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical group O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 claims description 7
- 125000003158 alcohol group Chemical group 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 description 12
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 8
- 238000011049 filling Methods 0.000 description 6
- 230000000749 insecticidal effect Effects 0.000 description 6
- 241000255925 Diptera Species 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000003915 liquefied petroleum gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000012188 paraffin wax Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 241000237503 Pectinidae Species 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 235000020637 scallop Nutrition 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 241001674044 Blattodea Species 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- VEMKTZHHVJILDY-UXHICEINSA-N bioresmethrin Chemical compound CC1(C)[C@H](C=C(C)C)[C@H]1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UXHICEINSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 241000238662 Blatta orientalis Species 0.000 description 1
- 241000238657 Blattella germanica Species 0.000 description 1
- 244000132059 Carica parviflora Species 0.000 description 1
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 241000258920 Chilopoda Species 0.000 description 1
- 235000007516 Chrysanthemum Nutrition 0.000 description 1
- 240000005250 Chrysanthemum indicum Species 0.000 description 1
- 241000258924 Ctenocephalides felis Species 0.000 description 1
- 241000258937 Hemiptera Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- AXISYYRBXTVTFY-UHFFFAOYSA-N Isopropyl tetradecanoate Chemical group CCCCCCCCCCCCCC(=O)OC(C)C AXISYYRBXTVTFY-UHFFFAOYSA-N 0.000 description 1
- 241001646976 Linepithema humile Species 0.000 description 1
- 241000257226 Muscidae Species 0.000 description 1
- 241000320508 Pentatomidae Species 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 241000718000 Pulex irritans Species 0.000 description 1
- 241000700141 Rotifera Species 0.000 description 1
- 241000258242 Siphonaptera Species 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Description
本発明は、ピレトリンを害虫駆除成分とする害虫駆除用エアゾール剤に関する。 The present invention relates to a pest control aerosol agent containing pyrethrin as a pest control component.
多くの害虫駆除用エアゾール剤において殺虫成分として合成ピレスロイドが使用されている。合成ピレスロイドは安全性の高い殺虫成分であるが、昨今ではさらに消費者の安全志向・天然志向が高まっており、前記エアゾール剤ではかかる消費者の要求を充分に満たすとは言えない。そこで、天然成分を殺虫成分とするエアゾール剤の開発が望まれる。 Synthetic pyrethroids are used as insecticidal components in many pest control aerosols. Synthetic pyrethroids are highly safe insecticidal components, but recently, consumers' safety-oriented and natural-oriented are increasing, and it cannot be said that the aerosols sufficiently satisfy the demands of such consumers. Therefore, it is desired to develop an aerosol that uses a natural component as an insecticidal component.
ピレトリンは除虫菊から抽出される天然の殺虫成分であり、安全性が比較的高いことに加え殺虫スペクトラムが広いことで知られている。例えば、特許文献１〜４では害虫駆除用のエアゾール剤等にピレトリンを殺虫成分として用い得ることが記載されている。
例えば、特許文献１の実施例４では、ピレトリンを所定のアルコールと混合して用いてエアゾール剤を調製しているが、ピレトリンをアルコールに溶解させた場合、得られた溶液の保存安定性が低いという問題がある。また、特許文献２の実施例では、ピレトリンを溶剤であるケロシンに混ぜてエアゾール剤を調製しているが、かかるエアゾール剤を室内で使用すると該エアゾール剤を噴射した部分が溶剤により汚染（べとつきの発生）されるという問題がある。 For example, in Example 4 of Patent Document 1, an aerosol agent is prepared by mixing pyrethrin with a predetermined alcohol. However, when pyrethrin is dissolved in alcohol, the storage stability of the obtained solution is low. There is a problem. Moreover, in the Example of patent document 2, the pyrethrin is mixed with the kerosene which is a solvent, and the aerosol agent is prepared, but when this aerosol agent is used indoors, the part which sprayed this aerosol agent will be polluted with a solvent (tackiness) Problem).
従って、本発明は、安全性が高く、良好な保存安定性を有し、しかも実質的に室内の汚染を生ずることがない害虫駆除用エアゾール剤を提供することを目的とする。 Accordingly, an object of the present invention is to provide a pest control aerosol that is highly safe, has good storage stability, and does not substantially cause indoor contamination.
すなわち、本発明は、
〔１〕 害虫駆除成分、溶解補助剤、及び溶剤を含むエアゾール原液と、噴射剤とを含有してなる害虫駆除用エアゾール剤であって、該害虫駆除成分がピレトリンであり、該溶解補助剤がミリスチン酸イソプロピルであり、該溶剤がアルコールである、害虫駆除用エアゾール剤、並びに
〔２〕 アルコールがエタノールである前記〔１〕記載のエアゾール剤、
に関する。
That is, the present invention
[1] A pest control aerosol agent comprising an aerosol stock solution containing a pest control component, a solubilizing agent, and a solvent, and a propellant, wherein the pest control component is pyrethrin, a myristic acid isopropyl, the solvent is an alcohol, a pest control aerosol, and (2) the alcohol is ethanol [1], wherein the aerosols,
About.
本発明によれば、安全に、しかも実質的に室内の汚染を生ずることなく害虫駆除を行うことができる。 According to the present invention, pest control can be performed safely and substantially without causing indoor pollution.
本発明の害虫駆除用エアゾール剤（以下、単にエアゾール剤という）は、ピレトリンを害虫駆除成分として含有することを１つの大きな特徴とする。その具体的構成としては、害虫駆除成分としてのピレトリン、溶解補助剤、及び溶剤を含有してなるエアゾール原液と、噴射剤とを、公知のエアゾール缶に充填してなるエアゾール剤が挙げられる。 The pest control aerosol agent of the present invention (hereinafter simply referred to as aerosol) is characterized by containing pyrethrin as a pest control component. Specific examples thereof include aerosols prepared by filling a known aerosol can with an aerosol stock solution containing a pyrethrin as a pest control component, a solubilizing agent, and a solvent, and a propellant.
ピレトリンは天然物であっても合成物であってもよい。市販のものがあれば任意に使用することができる。原液中におけるピレトリンの含有量としては、好ましくは1〜20重量％、より好ましくは2〜10重量％である。 Pyrethrin may be a natural product or a synthetic product. Any commercially available product can be used. The content of pyrethrin in the stock solution is preferably 1 to 20% by weight, more preferably 2 to 10% by weight.
前記具体的構成においては、溶解補助剤としてミリスチン酸イソプロピル及び／又はノルマルパラフィン、好ましくはミリスチン酸イソプロピルが用いられる。ピレトリンとこれらの溶解補助剤とを組み合わせることにより、溶剤へのピレトリンの溶解性が高まりピレトリン溶液の保存安定性が向上し、ひいてはエアゾール剤の保存安定性の向上が達成される。ピレトリンと前記特定の溶解補助剤との組み合わせによるピレトリン溶液の保存安定性の向上は本発明において初めて明らかになったことである。 In the specific configuration, isopropyl myristate and / or normal paraffin, preferably isopropyl myristate is used as a solubilizer. By combining the pyrethrin and these solubilizing agents, the solubility of the pyrethrin in the solvent is increased and the storage stability of the pyrethrin solution is improved, and as a result, the storage stability of the aerosol agent is improved. The improvement in the storage stability of a pyrethrin solution by the combination of pyrethrin and the specific solubilizing agent is first demonstrated in the present invention.
なお、本発明のエアゾール剤に関する保存安定性は、例えば、後述の実施例に記載の保存安定性の評価の方法に従って評価することができる。 In addition, the storage stability regarding the aerosol agent of this invention can be evaluated according to the method of the storage stability evaluation described in the below-mentioned Example, for example.
ミリスチン酸イソプロピル及びノルマルパラフィンは、それぞれ市販のものを任意に用いることができる。原液中におけるミリスチン酸イソプロピル及び／又はノルマルパラフィンの含有量としては、好ましくは2〜40重量％、より好ましくは4〜20重量％である。なお、ミリスチン酸イソプロピルとノルマルパラフィンとを併用する場合の両成分の混合比（重量比）は任意である。 Commercially available isopropyl myristate and normal paraffin can each be used. The content of isopropyl myristate and / or normal paraffin in the stock solution is preferably 2 to 40% by weight, more preferably 4 to 20% by weight. In addition, the mixing ratio (weight ratio) of both components when using isopropyl myristate and normal paraffin together is arbitrary.
また、溶剤としては、室内の汚染の発生を実質的に防止する観点から、べとつきの少ない速乾性の溶剤が用いられる。かかる溶剤としては、特に限定されるものではないが、例えば、アルコール、アセトン、メチルエチルケトン、酢酸メチル、酢酸エチル、エチルエーテル、n-ヘキサン、n-ペンタン、イソペンタン、シクロペンタン等が挙げられ、好ましくはアルコールが挙げられる。また、アルコールとしては、炭素数1〜3程度の低級アルコール、中でも、エタノール、イソプロパノール、メタノールが好ましく、エタノールが特に好ましい。エタノールは充分に速乾性で安全な溶剤であり、本発明のエアゾール剤において好適に用いられる。 As the solvent, a quick-drying solvent with less stickiness is used from the viewpoint of substantially preventing the occurrence of indoor pollution. Such a solvent is not particularly limited, and examples thereof include alcohol, acetone, methyl ethyl ketone, methyl acetate, ethyl acetate, ethyl ether, n-hexane, n-pentane, isopentane, cyclopentane, and the like. Examples include alcohol. The alcohol is preferably a lower alcohol having about 1 to 3 carbon atoms, especially ethanol, isopropanol, and methanol, and ethanol is particularly preferable. Ethanol is a sufficiently quick-drying and safe solvent and is preferably used in the aerosol preparation of the present invention.
溶剤は市販のものを任意に用いることができる。原液中、溶剤は、ピレトリン、溶解補助剤、及び所望により用いられる以下のその他の成分以外の残部を構成する。 A commercially available solvent can be arbitrarily used. In the stock solution, the solvent constitutes the balance other than pyrethrin, solubilizing agent, and other components described below as required.
その他の成分は、本発明の所望の効果の発現を阻害しない範囲で用いられる。かかる成分としては、例えば、公知のエアゾール剤に使用される、共力剤、酸化防止剤、殺菌剤、忌避剤、消臭剤、香料等が挙げられる。 Other components are used as long as they do not inhibit the expression of the desired effect of the present invention. Examples of such components include synergists, antioxidants, bactericides, repellents, deodorants, fragrances and the like used in known aerosol agents.
原液は、以上の各成分を公知の方法に従って混合することにより調製することができる。 The stock solution can be prepared by mixing the above components according to a known method.
本発明のエアゾール剤は、得られた原液を噴射剤と共に公知のエアゾール缶に充填することにより調製される。エアゾール缶への原液及び噴射剤の充填は公知の方法に従って行うことができる。 The aerosol of the present invention is prepared by filling the obtained stock solution together with a propellant into a known aerosol can. Filling the aerosol can with the stock solution and the propellant can be performed according to a known method.
噴射剤としては、特に限定されないが、入手が容易で安価であるという観点から、液化石油ガス（ＬＰＧ）、ジメチルエーテル（ＤＭＥ）または両者の混合ガスが好適に使用され、溶解性に優れ安価であるという観点から、好ましくはＬＰＧとＤＭＥとの混合ガスが用いられる。 The propellant is not particularly limited, but from the viewpoint of easy availability and low cost, liquefied petroleum gas (LPG), dimethyl ether (DME) or a mixed gas of both is preferably used and has excellent solubility and is inexpensive. From this point of view, a mixed gas of LPG and DME is preferably used.
エアゾール缶に充填する際の原液と噴射剤との充填割合としては、原液100重量部に対し噴射剤が好ましくは50〜140重量部、より好ましくは110〜140重量部程度である。原液と噴射剤の合計充填量は使用するエアゾール缶に応じて決定すればよい。 The filling ratio of the stock solution and the propellant when filling the aerosol can is preferably 50 to 140 parts by weight, more preferably about 110 to 140 parts by weight with respect to 100 parts by weight of the stock solution. The total filling amount of the stock solution and the propellant may be determined according to the aerosol can used.
本発明のエアゾール剤の剤型としては、特に限定されるものではなく、例えば、「直接噴霧型エアゾール」、「残留塗布型エアゾール」又は「全量噴射型エアゾール」のいずれであってもよい。良好に害虫駆除効力を発揮させ、また、実質的に汚染性がない点を考慮すると、「全量噴射型エアゾール」であるのが好ましい。 The dosage form of the aerosol agent of the present invention is not particularly limited, and may be, for example, any of “direct spray type aerosol”, “residual application type aerosol”, or “total injection type aerosol”. In consideration of the good pest control effect and the fact that it is substantially non-polluting, it is preferable to use a “total injection type aerosol”.
なお、「直接噴霧型エアゾール」とは対象害虫に直接噴霧する型のエアゾール剤を、「残留塗布型エアゾール」とは害虫の通り道に予め塗布しておく型のエアゾール剤を、「全量噴射型エアゾール」とは、害虫を駆除しようとする部屋を密閉した後、床面中央にこのエアゾール容器を置き、容器内に充填されたエアゾール内容物の全量を短時間で噴射して部屋内にエアゾール内容物の噴霧粒子を一気に拡散させることで害虫を効果的に駆除できるエアゾール剤を言う。 “Direct spray aerosol” refers to an aerosol that is sprayed directly on the target pest, and “Residual spray aerosol” refers to an aerosol that is pre-applied to the path of the pest. `` After sealing the room to control the pests, place this aerosol container in the center of the floor, spray the entire amount of the aerosol contents filled in the container in a short time, and the aerosol contents in the room An aerosol agent that can effectively control pests by diffusing spray particles at once.
本発明のエアゾール剤は、従来のエアゾール剤と同様にして用いられる。該エアゾール剤によれば、安全に、しかも実質的に室内の汚染を生ずることなく害虫駆除を行うことができるので、特に室内における害虫駆除に有効である。駆除対象の害虫としては、特に限定されるものではないが、例えば、チャバネゴキブリ、クロゴキブリ、ワモンゴキブリなどのゴキブリ類、イエバエ、ヒメイエバエなどのハエ類、アカイエカ、チカイエカ、ヒトスジシマカなどのカ類、ヒトノミ、ネコノミなどのノミ類、イエヒメアリ、アミメアリ、アルゼンチンアリなどのアリ類、クモ、ムカデ、ダンゴムシ、ワラジムシ、カメムシ、ゲジ、チャタテムシ、シバンムシ、アリガタバチ、カツオブシムシ、シミ、ガ、ユスリカ、ハチ等が挙げられる。 The aerosol agent of the present invention is used in the same manner as conventional aerosol agents. According to the aerosol agent, pest control can be carried out safely and substantially without causing indoor contamination, and thus is particularly effective for indoor pest control. The pests to be controlled are not particularly limited, but examples include cockroaches such as German cockroaches, black cockroaches, and cockroaches, flies such as house flies and flies, mosquitoes such as mosquitoes, chikaeka, and mosquitoes, human fleas, and cat fleas. Fleas such as, Himeari, Amimeari, Argentine ant, etc., spiders, centipedes, coral bugs, rotifers, stink bugs, geji, scallops, scallops, scallops, cutlet moths, spots, moths, chironomids, bees and the like.
以下において実施した「保存安定性の評価」の方法を以下に示す。なお、エアゾール剤の評価は、エアゾール容器として透明ガラス製のものを用いてエアゾール剤を調製し、エアゾール容器中のエアゾール内容液の状態により評価した。 A method of “evaluation of storage stability” performed below is shown below. In addition, evaluation of the aerosol agent prepared the aerosol agent using the thing made from transparent glass as an aerosol container, and evaluated it with the state of the aerosol content liquid in an aerosol container.
（ａ）溶解直後評価
エアゾール原液調製直後の状態を目視により以下の評価基準に従って評価する。
〔評価基準〕
○：透明
△：少し曇る（又は若干曇る）
×：薄い白濁
(A) Evaluation immediately after dissolution The state immediately after preparation of the aerosol stock solution is visually evaluated according to the following evaluation criteria.
〔Evaluation criteria〕
○: transparent △: slightly cloudy (or slightly cloudy)
X: Light cloudiness
（ｂ）室温保存後評価
エアゾール原液を７日間又は３ヶ月間に渡り室温（２５℃）で放置した後、該原液の状態を目視により以下の評価基準に従って評価する。
〔評価基準〕
○：透明
△：若干曇る（又は薄い油膜発生）
×：油膜又は沈殿発生
(B) Evaluation after storage at room temperature After leaving the aerosol stock solution at room temperature (25 ° C.) for 7 days or 3 months, the state of the stock solution is visually evaluated according to the following evaluation criteria.
〔Evaluation criteria〕
○: Transparent △: Slightly cloudy (or thin oil film generated)
X: Oil film or precipitation generated
（ｃ）冷蔵保存後評価
エアゾール原液を２４時間に渡り３℃で放置した後、該原液の状態を目視により以下の評価基準に従って評価する。
〔評価基準〕
○：透明
×：沈殿発生
(C) Evaluation after refrigerated storage After the aerosol stock solution is allowed to stand at 3 ° C for 24 hours, the state of the stock solution is visually evaluated according to the following evaluation criteria.
〔Evaluation criteria〕
○: Transparent ×: Precipitation occurred
参考例１〜６及び比較参考例１〜４
以下の表１に示す各成分を混合してエアゾール原液を調製した。得られたエアゾール原液について保存安定性の評価を行った。その結果を表１に併せて示す。なお、表中、ＩＰＭとはミリスチン酸イソプロピルを意味する。
Reference Examples 1-6 and Comparative Reference Examples 1-4
Each component shown in Table 1 below was mixed to prepare an aerosol stock solution. The obtained aerosol stock solution was evaluated for storage stability. The results are also shown in Table 1. In the table, IPM means isopropyl myristate.
表１より、参考例１〜６のエアゾール原液は比較参考例１〜４のものに比べ保存安定性に優れており、ピレトリンの溶剤への溶解性が向上していることが分かる。また、ピレトリンの溶剤への溶解性は溶解補助剤の量依存的に向上することが分かる。 From Table 1, it can be seen that the aerosol stock solutions of Reference Examples 1 to 6 are superior in storage stability to those of Comparative Reference Examples 1 to 4, and the solubility of pyrethrin in the solvent is improved. Moreover, it turns out that the solubility to the solvent of pyrethrin improves depending on the quantity of a solubilizing agent.
実施例１〜４
以下の表２に示す各成分を混合してエアゾール原液を調製し、噴射剤（ＬＰＧとＤＭＥの混合ガス、比重0.58g/cm3）と共にエアゾール缶に充填してエアゾール剤を得た。得られたエアゾール剤について保存安定性の評価を行った。その結果を表２に併せて示す。
Examples 1-4
An aerosol stock solution was prepared by mixing each component shown in Table 2 below, and filled into an aerosol can together with a propellant (mixed gas of LPG and DME, specific gravity 0.58 g / cm 3 ) to obtain an aerosol. The storage stability of the obtained aerosol was evaluated. The results are also shown in Table 2.
表２より、実施例１〜４のエアゾール剤は極めて保存安定性に優れることが分かる。 From Table 2, it can be seen that the aerosols of Examples 1 to 4 are extremely excellent in storage stability.
本発明は、ピレトリンを害虫駆除成分とする害虫駆除用エアゾール剤を提供する。 The present invention provides a pest control aerosol containing pyrethrin as a pest control component.
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| JP2016175930A (en) * | 2016-05-09 | 2016-10-06 | フマキラー株式会社 | Manufacturing method of composition for insecticidal aerosol |
| JP6182237B2 (en) * | 2016-05-09 | 2017-08-16 | アース製薬株式会社 | Composition for killing pests |
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