TWI812850B - One-component water-based spray composition - Google Patents
One-component water-based spray composition Download PDFInfo
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- TWI812850B TWI812850B TW109107031A TW109107031A TWI812850B TW I812850 B TWI812850 B TW I812850B TW 109107031 A TW109107031 A TW 109107031A TW 109107031 A TW109107031 A TW 109107031A TW I812850 B TWI812850 B TW I812850B
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- TW
- Taiwan
- Prior art keywords
- spray
- spray composition
- surfactant
- mentioned
- aqueous spray
- Prior art date
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- 239000007921 spray Substances 0.000 title claims abstract description 116
- 239000000203 mixture Substances 0.000 title claims abstract description 64
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- 239000000243 solution Substances 0.000 claims abstract description 21
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- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 9
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- 150000005215 alkyl ethers Chemical class 0.000 claims description 8
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- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000010292 orthophenyl phenol Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229960000490 permethrin Drugs 0.000 description 1
- RLLPVAHGXHCWKJ-UHFFFAOYSA-N permethrin Chemical compound CC1(C)C(C=C(Cl)Cl)C1C(=O)OCC1=CC=CC(OC=2C=CC=CC=2)=C1 RLLPVAHGXHCWKJ-UHFFFAOYSA-N 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229960000969 phenyl salicylate Drugs 0.000 description 1
- 229940067107 phenylethyl alcohol Drugs 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229960005078 sorbitan sesquioleate Drugs 0.000 description 1
- 235000019337 sorbitan trioleate Nutrition 0.000 description 1
- 229960000391 sorbitan trioleate Drugs 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- WJCNZQLZVWNLKY-UHFFFAOYSA-N thiabendazole Chemical compound S1C=NC(C=2NC3=CC=CC=C3N=2)=C1 WJCNZQLZVWNLKY-UHFFFAOYSA-N 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
- A01N25/06—Aerosols
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/12—Asteraceae or Compositae [Aster or Sunflower family], e.g. daisy, pyrethrum, artichoke, lettuce, sunflower, wormwood or tarragon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
本發明提供一種除蟲菊萃取物對噴霧組合物之溶解性、單液型水性噴霧組合物之穩定性及殺蟲效力優異之單液型水性噴霧組合物。 本發明之單液型水性噴霧組合物含有：噴霧原液，其含有(a)除蟲菊萃取物、(b)界面活性劑、(c)碳數為8～16個之脂肪族烴、及(d)水；以及作為(e)噴射劑之LPG(液化石油氣)；上述(b)界面活性劑含有(f)聚乙二醇烷基酯類與(g)山梨醇酐脂肪酸酯類，其調配重量比[(f)/(g)]為0.5≦[(f)/(g)]≦2.5，上述(d)水相對於該噴霧原液總量之調配量為15～53質量%(w/v)，且上述(e)噴射劑相對於該單液型水性噴霧組合物總量之調配量為40～70體積%(v/v)。The present invention provides a one-package aqueous spray composition that is excellent in the solubility of a pyrethrum extract in a spray composition, the stability of a one-package aqueous spray composition, and its insecticidal efficacy. The single-liquid aqueous spray composition of the present invention contains: a spray stock solution containing (a) pyrethrum extract, (b) surfactant, (c) aliphatic hydrocarbon with 8 to 16 carbon atoms, and ( d) water; and LPG (liquefied petroleum gas) as (e) propellant; the above-mentioned (b) surfactant contains (f) polyethylene glycol alkyl esters and (g) sorbitan fatty acid esters, which The blending weight ratio [(f)/(g)] is 0.5≦[(f)/(g)]≦2.5, and the blending amount of the above (d) water relative to the total amount of the spray solution is 15 to 53% by mass (w /v), and the compounding amount of the above-mentioned (e) propellant relative to the total amount of the one-liquid aqueous spray composition is 40 to 70 volume % (v/v).
Description
本發明係關於一種含有除蟲菊萃取物之單液型水性噴霧組合物。The present invention relates to a single-liquid aqueous spray composition containing pyrethrum extract.
先前以來，為了解決製劑之易燃性問題，以及考慮到環境問題，進而提高使用感，提出多種關於調配有水之散佈用水性殺蟲劑或水性噴霧之提案。然而，通常，於其製劑化時，考慮到殺蟲成分之疏水性，為了獲得均勻之乳化穩定性而大多使用醇等水性有機溶劑。並且，該等製劑相較於不含水之油性噴霧，存在根據目標害蟲之種類而於殺蟲效力方面較差之傾向。認為其原因係由於殺蟲成分自害蟲皮膚表面之滲透性。Previously, in order to solve the problem of flammability of preparations, consider environmental issues, and thereby improve the usability, various proposals have been made to prepare water-based pesticides or water-based sprays for dispersion with water. However, in general, when formulating the formulation, aqueous organic solvents such as alcohol are often used in order to obtain uniform emulsion stability in consideration of the hydrophobicity of the insecticidal ingredient. Furthermore, compared with oil-based sprays that do not contain water, these preparations tend to be inferior in insecticidal efficacy depending on the type of target pest. The reason is considered to be due to the penetration of the insecticidal ingredients from the skin surface of the insect pests.
於先前文獻1中，揭示有一種有用之噴霧組合物，其包含：噴霧原液，其含有(a)殺蟲成分、(b)界面活性劑、(c)碳數為8～16個之脂肪族烴、及(d)水；以及(e)噴射劑；且特定了(c)碳數為8～16個之脂肪族烴及(d)水之調配比。包含該等在內，先前之害蟲防除用水性噴霧之大部分為油中水滴型或水中油滴型乳液製劑。因此，液相部分於噴霧容器內分離而成為二液型，於使用前需要振盪容器以使液相部分均勻分散。In the previous document 1, a useful spray composition is disclosed, which includes: a spray liquid containing (a) an insecticidal component, (b) a surfactant, and (c) an aliphatic compound having 8 to 16 carbon atoms. Hydrocarbon, and (d) water; and (e) propellant; and the mixing ratio of (c) aliphatic hydrocarbon with 8 to 16 carbon atoms and (d) water is specified. Including these, most of the previous aqueous sprays for pest control were water droplet-in-oil or oil-droplet-in-water emulsion formulations. Therefore, the liquid phase separates in the spray container and becomes a two-liquid type. The container needs to be shaken before use to evenly disperse the liquid phase.
作為對該點進行改良之單液型水性噴霧，例如提出先前文獻2或先前文獻3。均使用二甲醚作為噴射劑，後者進而需要低級醇等有機溶劑，作為水性噴霧之性能評價並不令人滿意。As a one-liquid type aqueous spray that improves this point, for example, Priority Document 2 or Priority Document 3 is proposed. All use dimethyl ether as the propellant, which in turn requires organic solvents such as lower alcohols, and its performance evaluation as a water-based spray is not satisfactory.
作為對該點進行改良之單液型水性噴霧，例如於先前文獻4中，揭示有一種單液型水性噴霧組合物，其特徵在於包含：噴霧原液，其含有(a)殺蟲成分、(b)調配山梨醇酐脂肪酸酯類及聚氧乙烯聚氧丙烯烷基醚類而成之界面活性劑、(c)碳數為8～16個之脂肪族烴、及(d)水；以及作為(e)噴射劑之LPG(液化石油氣)；於該噴霧原液中，相對於噴霧原液量含有(b)界面活性劑5～20體積%、(c)碳數為8～16個之脂肪族烴40～78體積%、及(d)水15～53體積%，且於(b)界面活性劑中，山梨醇酐脂肪酸酯類與聚氧乙烯聚氧丙烯烷基醚類之調配比為1∶1～5∶1。As a one-component aqueous spray that improves this point, for example, the previous document 4 discloses a one-component aqueous spray composition, which is characterized by containing: a spray stock solution containing (a) an insecticidal component, (b) ) A surfactant prepared by blending sorbitan fatty acid esters and polyoxyethylene polyoxypropylene alkyl ethers, (c) aliphatic hydrocarbons with 8 to 16 carbon atoms, and (d) water; and as ( e) LPG (liquefied petroleum gas) as a propellant; the original spray liquid contains (b) 5 to 20 volume % of surfactant and (c) aliphatic hydrocarbon with 8 to 16 carbon atoms relative to the amount of the original spray liquid. 40 to 78 volume %, and (d) water 15 to 53 volume %, and in (b) the surfactant, the blending ratio of sorbitan fatty acid esters and polyoxyethylene polyoxypropylene alkyl ethers is 1: 1～5:1.
然而，近年來，消費者之天然意願提高，對含有天然成分作為有效成分之殺蟲劑之需求提高。於水性噴霧中，亦要求有效成分含有自作為菊科植物之除蟲菊獲得之除蟲菊萃取物等天然成分之製品。通常，除蟲菊萃取物含有作為6種化合物之混合物之天然除蟲菊精類，進而包含來自植物之雜質，因此要求調配更適合單液型水性噴霧之製劑化之界面活性劑。 先前技術文獻 專利文獻However, in recent years, consumers' desire for naturalness has increased, and the demand for pesticides containing natural ingredients as active ingredients has increased. In water-based sprays, products containing natural ingredients such as pyrethrum extract obtained from pyrethrum, a plant in the Asteraceae family, are also required as active ingredients. Generally, pyrethrum extract contains natural pyrethroids as a mixture of six compounds, and further contains plant-derived impurities. Therefore, it is required to prepare a surfactant that is more suitable for the formulation of a single-liquid aqueous spray. Prior technical literature patent documents
專利文獻1：日本專利特開2001-89303號公報 專利文獻2：日本專利特公昭61-45601號公報 專利文獻3：日本專利特公平7-121848號公報 專利文獻4：日本專利特開2003-40704號公報Patent Document 1: Japanese Patent Application Publication No. 2001-89303 Patent document 2: Japanese Patent Publication No. Sho 61-45601 Patent Document 3: Japanese Patent Publication No. 7-121848 Patent Document 4: Japanese Patent Application Publication No. 2003-40704
[發明所欲解決之問題][Problem to be solved by the invention]
本發明提供一種除蟲菊萃取物對單液型水性噴霧組合物之溶解性優異、單液型水性噴霧組合物之穩定性亦優異、進而殺蟲效力方面亦優異之單液型水性噴霧組合物。 [解決問題之技術手段]The present invention provides a one-package aqueous spray composition that is excellent in the solubility of a pyrethrum extract into a one-package aqueous spray composition, has excellent stability in the one-package aqueous spray composition, and is also excellent in insecticidal efficacy. . [Technical means to solve problems]
為了解決上述問題，本發明人等經過反覆銳意研究，結果得出如下見解：藉由製備將含有除蟲菊萃取物、特定之界面活性劑、脂肪族烴及水之噴霧原液、進而特定量之噴射劑組合而成之組合物，可達成目的，從而完成本發明。In order to solve the above-mentioned problems, the present inventors conducted repeated and intensive research and came to the following insights: By preparing a spray stock solution containing pyrethrum extract, a specific surfactant, an aliphatic hydrocarbon and water, and then a specific amount of The composition composed of a combination of propellants can achieve the purpose, thereby completing the present invention.
即，技術方案1之發明係一種單液型水性噴霧組合物，其含有：噴霧原液，其含有(a)除蟲菊萃取物、(b)界面活性劑、(c)碳數為8～16個之脂肪族烴、及(d)水；以及作為(e)噴射劑之LPG(液化石油氣)； 上述(b)界面活性劑含有(f)聚乙二醇烷基酯類與(g)山梨醇酐脂肪酸酯類，其調配重量比[(f)/(g)]為0.5≦[(f)/(g)]≦2.5， 上述(d)水相對於該噴霧原液總量之調配量為15～53質量%(w/v)， 且上述(e)噴射劑相對於該單液型水性噴霧組合物總量之調配量為40～70體積%(v/v)。That is, the invention of claim 1 is a one-pack aqueous spray composition, which contains: a spray stock solution containing (a) pyrethrum extract, (b) surfactant, (c) carbon number of 8 to 16 aliphatic hydrocarbons, and (d) water; and LPG (liquefied petroleum gas) as (e) propellant; The above-mentioned (b) surfactant contains (f) polyethylene glycol alkyl esters and (g) sorbitan fatty acid esters, and the weight ratio [(f)/(g)] is 0.5≦[(f) /(g)]≦2.5, The proportion of the above (d) water relative to the total amount of the spray solution is 15 to 53% by mass (w/v), And the blending amount of the above-mentioned (e) propellant relative to the total amount of the one-liquid aqueous spray composition is 40 to 70 volume % (v/v).
本發明中使用之除蟲菊萃取物包含除蟲菊精I、II、瓜菊酯I、II、茉莉菊酯I、II之6種天然除蟲菊精類、來自植物之雜質、及溶劑。適宜使用天然除蟲菊精類之濃度為10%～80%之除蟲菊萃取物，更佳為使用天然除蟲菊精類之濃度為20～60%之除蟲菊萃取物。除蟲菊萃取物之調配量適宜為以噴霧原液中之天然除蟲菊精類之含量計0.01～5.0質量%(w/v)左右，若未達0.01質量%(w/v)，則無法獲得所需之殺蟲效果。另一方面，若超過5.0質量%(w/v)，則存在除蟲菊萃取物對單液型水性噴霧組合物之溶解性產生問題之情形。就除蟲菊萃取物對單液型水性噴霧組合物之溶解性或殺蟲效力之觀點而言，更佳為0.20～3.0質量%(w/v)左右。再者，不限定除蟲菊萃取物之產地或各成分之組成比。The pyrethrum extract used in the present invention contains six natural pyrethroids: pyrethroids I and II, cucurrins I and II, and jasminerin I and II, plant-derived impurities, and solvents. It is suitable to use pyrethrum extract with a concentration of 10% to 80% of natural pyrethroids, and more preferably, a pyrethrum extract with a concentration of 20% to 60% of natural pyrethrums. The appropriate amount of pyrethrum extract is about 0.01 to 5.0 mass% (w/v) based on the content of natural pyrethrum extracts in the spray solution. If it does not reach 0.01 mass% (w/v), it will not work. Get the desired insecticidal effect. On the other hand, if it exceeds 5.0 mass % (w/v), the solubility of the pyrethrum extract in the one-pack type aqueous spray composition may be problematic. From the viewpoint of the solubility or insecticidal efficacy of the pyrethrum extract in the one-pack aqueous spray composition, it is more preferably about 0.20 to 3.0 mass % (w/v). Furthermore, the origin of the pyrethrum extract or the composition ratio of each component is not limited.
本發明具有如下特徵：使用調配(b)聚乙二醇烷基酯類及山梨醇酐脂肪酸酯類而成之界面活性劑，進而將(f)聚乙二醇烷基酯類與(g)山梨醇酐脂肪酸酯類之調配重量比[(f)/(g)]設為0.5≦[(f)/(g)]≦2.5。作為聚乙二醇烷基酯類，可例示聚乙二醇月桂酸酯、聚乙二醇油酸酯、聚乙二醇硬脂酸酯、聚乙二醇單月桂酸酯、聚乙二醇單油酸酯、聚乙二醇單硬脂酸酯等。另一方面，作為山梨醇酐脂肪酸酯類，可列舉山梨醇酐單月桂酸酯、山梨醇酐單油酸酯、山梨醇酐倍半油酸酯、山梨醇酐三油酸酯、山梨醇酐單硬脂酸酯等。若聚乙二醇烷基酯類與山梨醇酐脂肪酸酯類之調配重量比[(f)/(g)]脫離0.5≦[(f)/(g)]≦2.5之範圍，則除蟲菊萃取物對單液型水性噴霧組合物之溶解性降低，又，於製成噴霧時不形成乳液，或即便形成，乳液之穩定性亦較差而欠佳。就除蟲菊萃取物對單液型水性噴霧組合物之溶解性或乳液之穩定性之觀點而言，更佳為1.0≦[(f)/(g)]≦2.0。The present invention has the following characteristics: using a surfactant prepared by blending (b) polyethylene glycol alkyl esters and sorbitan fatty acid esters, and further combining (f) polyethylene glycol alkyl esters and (g) The weight ratio [(f)/(g)] of the sorbitan fatty acid esters is set to 0.5≦[(f)/(g)]≦2.5. Examples of polyethylene glycol alkyl esters include polyethylene glycol laurate, polyethylene glycol oleate, polyethylene glycol stearate, polyethylene glycol monolaurate, and polyethylene glycol. Monoleate, polyethylene glycol monostearate, etc. On the other hand, examples of sorbitan fatty acid esters include sorbitan monolaurate, sorbitan monooleate, sorbitan sesquioleate, sorbitan trioleate, and sorbitan Monostearate, etc. If the weight ratio of polyethylene glycol alkyl esters and sorbitan fatty acid esters [(f)/(g)] deviates from the range of 0.5≦[(f)/(g)]≦2.5, then pyrethrum The solubility of the extract in single-liquid aqueous spray compositions is reduced, and when the spray is made into an emulsion, no emulsion is formed, or even if it is formed, the stability of the emulsion is poor and unsatisfactory. From the viewpoint of the solubility of the pyrethrum extract in the one-pack aqueous spray composition or the stability of the emulsion, 1.0≦[(f)/(g)]≦2.0 is more preferred.
於本發明中，就除蟲菊萃取物對單液型水性噴霧組合物之溶解性或乳液之穩定性之點而言，較佳為於上述調配之界面活性劑中進而調配聚氧乙烯聚氧丙烯烷基醚類。作為聚氧乙烯聚氧丙烯烷基醚類，可列舉聚氧乙烯聚氧丙烯鯨蠟醚、聚氧乙烯聚氧丙烯月桂醚、聚氧乙烯聚氧丙烯硬脂醚、聚氧乙烯聚氧丙烯癸基十四烷基醚等，但並不限定於該等。又，只要不妨礙除蟲菊萃取物對單液型水性噴霧組合物之溶解性或乳液之穩定性，則亦可添加其他類型之界面活性劑，例如，聚氧乙烯烷基醚、聚氧乙烯烷基苯醚、聚氧乙烯苯乙烯化苯酚、聚氧乙烯氫化蓖麻油之脂肪酸酯、二甘油基烷基酯等。進而，界面活性劑適宜為於本發明噴霧原液中調配合計5～20質量%(w/v)。若未達5質量%(w/v)，則無法獲得充分之乳液，另一方面，若超過20質量%(w/v)，則對黏膩等使用感造成影響，無法獲得水性噴霧之優點，故而欠佳。In the present invention, in terms of the solubility of the pyrethrum extract in the single-liquid aqueous spray composition or the stability of the emulsion, it is preferable to further prepare polyoxyethylene polyoxyethylene in the surfactant prepared above. Propylene alkyl ethers. Examples of polyoxyethylene polyoxypropylene alkyl ethers include polyoxyethylene polyoxypropylene cetyl ether, polyoxyethylene polyoxypropylene lauryl ether, polyoxyethylene polyoxypropylene stearyl ether, and polyoxyethylene polyoxypropylene decane. Tetradecyl ether, etc., but are not limited to these. In addition, as long as it does not hinder the solubility of the pyrethrum extract in the single-liquid aqueous spray composition or the stability of the emulsion, other types of surfactants can also be added, such as polyoxyethylene alkyl ether, polyoxyethylene Alkyl phenyl ethers, polyoxyethylene styrenated phenols, polyoxyethylene hydrogenated castor oil fatty acid esters, diglyceryl alkyl esters, etc. Furthermore, the surfactant is suitably blended in a proportion of 5 to 20% by mass (w/v) in the original spray solution of the present invention. If it is less than 5% by mass (w/v), a sufficient emulsion cannot be obtained. On the other hand, if it exceeds 20% by mass (w/v), the feeling of use such as stickiness will be affected, and the advantages of a water-based spray cannot be obtained. , so it is not good.
於本發明中，(c)碳數為8～16個之脂肪族烴相對於噴霧原液總量之調配量為40～78體積%(v/v)。若未達40體積%(v/v)，則對害蟲之皮膚滲透性較差，故殺蟲效力較低，另一方面，若超過78體積%(v/v)，則無法消除易燃性之問題，故而欠佳。作為脂肪族烴，可列舉正鏈烷烴或異鏈烷烴，於效力方面而言較佳為正鏈烷烴。再者，亦可於不損及本發明之特性之範圍內使用其他種類之有機溶劑。In the present invention, the amount of (c) aliphatic hydrocarbon with 8 to 16 carbon atoms is 40 to 78 volume % (v/v) relative to the total amount of the spray solution. If it is less than 40% by volume (v/v), the skin penetration of pests is poor, so the insecticidal effect is low. On the other hand, if it exceeds 78% by volume (v/v), the flammability cannot be eliminated. problem, so it is not good. Examples of aliphatic hydrocarbons include normal paraffins and isoparaffins. In terms of effectiveness, normal paraffins are preferred. Furthermore, other types of organic solvents can also be used within the scope that does not impair the characteristics of the present invention.
又，於本發明中，為了獲得所需之作用、效果，噴霧原液中之(d)水之調配量設定為15～53質量%(w/v)。若未達15質量%(w/v)，則無法消除噴霧原液之易燃性問題，另一方面，若超過53質量%(w/v)，則難以改善殺蟲效力。In addition, in the present invention, in order to obtain the desired action and effect, the amount of water (d) in the original spray solution is set to 15 to 53 mass % (w/v). If it is less than 15% by mass (w/v), the flammability problem of the spray solution cannot be eliminated. On the other hand, if it exceeds 53% by mass (w/v), it is difficult to improve the insecticidal efficacy.
作為(e)噴射劑，使用LPG(液化石油氣)，於能夠生成乳液之範圍內，可混合DME(二甲醚)、氟氯烴氣體、氫氟烯烴、壓縮氣體(氮氣、二氧化碳等)等。又，作為噴射劑之調配量，較佳為相對於單液型水性噴霧組合物總量抑制在40～70體積%(v/v)之範圍。若未達40體積%(v/v)，則噴霧粒子變粗，而殺蟲效力產生問題，另一方面，若超過70體積%(v/v)，則於對煙火之安全性之方面欠佳。再者，於減少噴射劑之調配量、或使用壓縮氣體之情形時，有時會導致噴射壓之降低，故作為其對策，例如使用提高丙烷/丁烷中之丙烷比率之LPG(液化石油氣)有用。(e) As the propellant, LPG (liquefied petroleum gas) is used, and DME (dimethyl ether), chlorofluorocarbon gas, hydrofluoroolefin, compressed gas (nitrogen, carbon dioxide, etc.), etc. can be mixed within the range that can produce an emulsion. . In addition, the amount of the propellant is preferably suppressed to a range of 40 to 70 volume % (v/v) based on the total amount of the one-liquid aqueous spray composition. If it is less than 40 volume % (v/v), the spray particles will become coarser, causing problems with insecticidal efficacy. On the other hand, if it exceeds 70 volume % (v/v), the safety of fireworks will be insufficient. good. Furthermore, when the amount of propellant is reduced or compressed gas is used, the injection pressure may decrease. Therefore, as a countermeasure, for example, LPG (liquefied petroleum gas) is used to increase the propane ratio in propane/butane. )it works.
又，於本發明之單液型水性噴霧組合物中，亦可於不對除蟲菊萃取物之溶解性或乳液之穩定性造成影響之範圍內調配其他殺蟲成分或忌避成分。例如，作為殺蟲成分，可列舉：酚丁滅虱、百滅寧、賽酚寧、賽滅寧、列滅寧、胺菊酯、亞列寧、普亞列寧、炔呋菊酯、依普寧、依芬甯、畢芬寧、益避寧、美特甯、拜富寧、丙氟菊酯、momfluorothrin等擬除蟲菊酯系殺蟲成分，矽護芬等矽系殺蟲成分，達特南、亞滅培等新類尼古丁系殺蟲成分，二氯松、撲滅松、大利松等有機磷系殺蟲成分。又，作為忌避成分，可列舉：N,N-二乙基間甲苯醯胺、檸檬烯、沈香醇、香茅醛、薄荷腦、乙酸薄荷酯、薄荷酮、檜木醇、香葉草醇、萜品醇、對薄荷烷-3,8-二醇、桉油醇、蒈烷-3,4-二醇、埃卡瑞丁{2-(2-羥基乙基)哌啶-1-羧酸1-甲基丙酯}、IR-3535{3-[乙醯基(丁基)胺基]丙酸乙酯}、薄荷油、檸檬油、薰衣草油、桉葉油等。Furthermore, in the one-pack aqueous spray composition of the present invention, other insecticidal ingredients or repellent ingredients may be blended within a range that does not affect the solubility of the pyrethrum extract or the stability of the emulsion. For example, as the insecticidal ingredients, there may be mentioned: fenacetate, permethrin, sulfenin, sulfamethrin, lenfenin, fenmethrin, alenin, puyalenin, furanthrin, iprenin, Pyrethroid insecticidal ingredients such as efenin, bifenin, efenin, methelin, befenin, profluthrin, and momfluorothrin, silicone insecticides such as silicofen, Dartnam, Asia New types of nicotine-based insecticidal ingredients such as methionine, and organophosphorus-based insecticidal ingredients such as dicloxazone, permethonine, and pine thorn. Also, examples of avoidable ingredients include N,N-diethyl m-toluamide, limonene, linalol, citronellal, menthol, menthyl acetate, menthone, hinokitiol, geraniol, and terpine. Alcohol, p-menthane-3,8-diol, eucalyptol, carane-3,4-diol, icaridin {2-(2-hydroxyethyl)piperidine-1-carboxylic acid 1- Methyl propyl ester}, IR-3535{3-[acetyl (butyl) amino] ethyl propionate}, peppermint oil, lemon oil, lavender oil, eucalyptus oil, etc.
又，於本發明之單液型水性噴霧組合物中，除殺蟲成分以外，亦可適當調配殺蟎劑、以黴菌類或細菌類等為對象之防黴菌劑、抗菌劑、殺菌劑、芳香劑、除臭劑、穩定劑、抗靜電劑、消泡劑、賦形劑等。作為殺蟎劑，可列舉5-氯-2-三氟甲磺醯胺苯甲酸甲酯、水楊酸苯酯、苯甲酸苄酯、癸二酸二丁酯、3-碘-2-丙炔基丁基胺基甲酸酯等。作為防黴菌劑、抗菌劑、及殺菌劑，可列舉檜木醇、2-巰基苯并噻唑、2-(4-噻唑基)苯并咪唑、5-氯-2-甲基-4-異噻唑啉-3-酮、賽福寧、3-甲基-4-異丙基苯酚、鄰苯基苯酚等。作為芳香劑，可列舉：甜橙油、檸檬油、薰衣草油、胡椒薄荷油、桉葉油、香茅油、萊姆油、香橙油、茉莉油、檜木油、綠茶精油、檸檬烯、α-蒎烯、沈香醇、香葉草醇、苯乙醇、戊桂皮醛、對異丙基苯甲醛、乙酸苄酯等芳香成分、被稱為「綠色香味」之調配有青葉醇或青葉醛之香料成分等。作為除臭劑，可使用各種，可列舉來自選自柿樹科、禾本科、山茶科(茶等)、銀杏科、木樨科(金鐘花等)、桑科(無花果等)、芸香科、金虎尾科(西印度櫻桃等)中之1種以上天然植物之物質等。Furthermore, in addition to insecticidal ingredients, the one-pack aqueous spray composition of the present invention may also be appropriately blended with acaricides, fungicides targeting molds or bacteria, antibacterial agents, bactericides, and fragrances. Agents, deodorants, stabilizers, antistatic agents, defoaming agents, excipients, etc. Examples of acaricides include methyl 5-chloro-2-trifluoromethanesulfonamide benzoate, phenyl salicylate, benzyl benzoate, dibutyl sebacate, and 3-iodo-2-propyne Butyl carbamate, etc. Examples of antifungal agents, antibacterial agents, and bactericides include hinokitiol, 2-mercaptobenzothiazole, 2-(4-thiazolyl)benzimidazole, and 5-chloro-2-methyl-4-isothiazoline -3-one, saifonin, 3-methyl-4-isopropylphenol, o-phenylphenol, etc. Examples of the fragrance include: orange oil, lemon oil, lavender oil, peppermint oil, eucalyptus oil, citronella oil, lime oil, orange oil, jasmine oil, cypress oil, green tea essential oil, limonene, α- Fragrance ingredients such as pinene, linal alcohol, geranyl alcohol, phenylethyl alcohol, pentocinnamic aldehyde, p-cumyl benzaldehyde, and benzyl acetate. Fragrance ingredients containing aophyllan alcohol or aophyllal aldehyde, which are called "green fragrances" wait. As the deodorant, various deodorants can be used, and examples thereof include those selected from the family Persimmonaceae, Gramineae, Camelliaceae (tea, etc.), Ginkgoceae, Trichodermaceae (fuchsia, etc.), Moraceae (figs, etc.), Rutaceae, Substances of more than one natural plant in the Aceraceae family (Acerola, etc.), etc.
技術方案2之發明係於技術方案1之構成中，(a)除蟲菊萃取物中包含之(h)天然除蟲菊精類與上述(b)界面活性劑之調配重量比[(h)/(b)]設為0.005≦[(h)/(b)]≦0.34。The invention of technical claim 2 is based on the composition of technical claim 1, (a) the weight ratio of (h) natural pyrethroids contained in the pyrethrum extract and the above-mentioned (b) surfactant [(h) /(b)] is set to 0.005≦[(h)/(b)]≦0.34.
(a)除蟲菊萃取物中包含之(h)天然除蟲菊精類與上述(b)界面活性劑之調配重量比[(h)/(b)]適宜為0.005≦[(h)/(b)]≦0.34，若為[(h)/(b)]＜0.005，則無法獲得所需之殺蟲效果，若為0.34＜[(h)/(b)]，則存在除蟲菊萃取物對單液型水性噴霧組合物之溶解性或乳液之穩定性產生問題之情形。其中，就除蟲菊萃取物對單液型水性噴霧組合物之溶解性或殺蟲效力之觀點而言，更佳為0.005≦[(h)/(b)]≦0.25。(a) The weight ratio [(h)/(b)] of (h) natural pyrethroids contained in the pyrethrum extract and the above-mentioned (b) surfactant is preferably 0.005≦[(h)/ (b)]≦0.34. If [(h)/(b)]＜0.005, the required insecticidal effect cannot be obtained. If 0.34＜[(h)/(b)], pyrethrum exists. The extract may cause problems with the solubility of the one-part aqueous spray composition or the stability of the emulsion. Among them, from the viewpoint of the solubility or insecticidal efficacy of the pyrethrum extract to the one-pack aqueous spray composition, 0.005≦[(h)/(b)]≦0.25 is more preferred.
技術方案3之發明係於技術方案1之構成中，於(b)界面活性劑中進而含有聚氧乙烯聚氧丙烯烷基醚類。The invention of claim 3 is based on the structure of claim 1, in which the surfactant (b) further contains polyoxyethylene polyoxypropylene alkyl ethers.
藉由調配聚氧乙烯聚氧丙烯烷基醚類，提高除蟲菊萃取物對單液型水性噴霧組合物之溶解性或乳液之穩定性。 [發明之效果]By formulating polyoxyethylene polyoxypropylene alkyl ethers, the solubility of the pyrethrum extract in the single-liquid aqueous spray composition or the stability of the emulsion is improved. [Effects of the invention]
本發明提供一種除蟲菊萃取物對單液型水性噴霧組合物之溶解性優異、單液型水性噴霧組合物之穩定性亦優異、進而殺蟲效力方面亦優異之單液型水性噴霧組合物。The present invention provides a one-package aqueous spray composition that is excellent in the solubility of a pyrethrum extract into a one-package aqueous spray composition, has excellent stability in the one-package aqueous spray composition, and is also excellent in insecticidal efficacy. .
根據本發明之技術方案1至3中之任一構成，噴霧原液為非易燃性，進而調配噴射劑製成單液型水性噴霧組合物，故於使用時無需振盪容器，使用上優異。又，除蟲菊萃取物對單液型水性噴霧組合物之溶解性優異。進而，提供一種單液型水性噴霧組合物之穩定性優異，對各種害蟲起到優異之殺蟲效力之極其有用之單液型水性噴霧組合物。於製造噴霧劑時，通常，先於裝填有閥部分之耐壓容器裝入噴霧原液後，加壓填充噴射劑而進行製造。噴霧劑可根據其用途、使用目的、目標害蟲等，適當選擇閥、噴口、噴嘴等形狀，可為各種實施形態。According to any one of the technical aspects 1 to 3 of the present invention, the spray stock solution is non-flammable, and the propellant is further blended to form a single-liquid aqueous spray composition. Therefore, there is no need to shake the container during use, which is excellent in use. In addition, the pyrethrum extract has excellent solubility in the one-pack aqueous spray composition. Furthermore, the invention provides an extremely useful one-package aqueous spray composition that has excellent stability and exhibits excellent insecticidal efficacy against various pests. When manufacturing aerosols, usually, the aerosol raw liquid is first put into a pressure-resistant container equipped with a valve section, and then the aerosol is filled with the propellant under pressure and manufactured. The shape of the spray, such as the valve, the nozzle, and the nozzle, can be appropriately selected according to its use, purpose of use, target pests, etc., and can be implemented in various forms.
作為本發明之單液型水性噴霧組合物有效之害蟲，例如可列舉淡色庫蚊、埃及伊蚊等蚊類、搖蚊類、家蠅等蠅類、蝶蠅、蚋類、虻類等雙翅目害蟲或蜚蠊類、蟻類、千足蟲、多足類、白蟻類等匍匐害蟲、進而粉蟎、塵蟎等室內塵蟎類等，其實用性極高。 實施例Examples of pests against which the one-liquid aqueous spray composition of the present invention is effective include mosquitoes such as Culex pipiens and Aedes aegypti, chironomids, house flies and other flies, butterfly flies, gnats, and horseflies, etc. It is extremely useful for pests such as cockroaches, ants, millipedes, myriapods, termites and other creeping pests, as well as mealybugs, house dust mites and other indoor dust mites. Example
繼而，基於具體之實施例及試驗例，更詳細地對本發明之單液型水性噴霧組合物進行說明。再者，本發明並不限定於以下實施例。Next, the one-pack aqueous spray composition of the present invention will be described in more detail based on specific examples and test examples. In addition, this invention is not limited to the following Example.
實施例1.將包含除蟲菊萃取物(天然除蟲菊精類之濃度：50%)1.80 g(噴霧原液中，除蟲菊萃取物為1.80質量%(w/v)，天然除蟲菊精類為0.90質量%(w/v))、山梨醇酐單月桂酸酯4.8 g(噴霧原液中為4.8質量%(w/v))、聚乙二醇單油酸酯5.6 g(噴霧原液中為5.6質量%(w/v))、聚氧乙烯聚氧丙烯癸基十四烷基醚2.4 g(噴霧原液中為2.4質量%(w/v))、碳數11～14個之正鏈烷烴系脂肪族飽和烴(商品名：Deotomisol)及水18 g(噴霧原液中為18質量%(w/v))的噴霧原液100 mL裝入噴霧容器，於該容器安裝閥部分，通過該閥部分加壓填充LPG(液化石油氣)150 mL(相對於單液型水性噴霧組合物總量為60體積%(v/v))，獲得包含本發明之單液型水性噴霧組合物之噴霧劑。Example 1. A mixture containing 1.80 g of pyrethrum extract (concentration of natural pyrethrum essence: 50%) (in the original spray solution, the pyrethrum extract is 1.80 mass % (w/v), natural pyrethrum extract Essence: 0.90 mass% (w/v)), sorbitan monolaurate 4.8 g (spray original solution: 4.8 mass% (w/v)), polyethylene glycol monooleate 5.6 g (spray original solution) 5.6 mass% (w/v) in the medium), 2.4 g of polyoxyethylene polyoxypropylene decyl tetradecyl ether (2.4 mass% (w/v) in the spray solution), the positive number of carbon atoms from 11 to 14 100 mL of a spray solution of a paraffinic aliphatic saturated hydrocarbon (trade name: Deotomisol) and 18 g of water (18% by mass (w/v) in the spray solution) was put into a spray container, and a valve was installed on the container. The valve part is pressurized and filled with 150 mL of LPG (liquefied petroleum gas) (60% by volume (v/v) relative to the total amount of the single-liquid aqueous spray composition) to obtain a spray containing the single-liquid aqueous spray composition of the present invention. agent.
認為本發明中使用之噴霧原液未測定到基於消防法之試驗方法之引火點，易燃性問題得到很大減輕。又，本發明之單液型水性噴霧組合物由於為單液型，故於使用時無需振盪容器，使用性優異。進而，雖說調配水之噴霧劑相較於不含水之油性噴霧劑顯示出較低之殺蟲效果，但包含本發明之單液型水性噴霧組合物之噴霧劑之效力幾乎不遜色於包含相同量之除蟲菊萃取物之油性噴霧劑。It is considered that the ignition point of the spray solution used in the present invention has not been measured according to the test method based on the fire protection law, and the flammability problem is greatly alleviated. In addition, since the one-pack aqueous spray composition of the present invention is a one-pack type, there is no need to shake the container during use, and it is excellent in usability. Furthermore, although sprays formulated with water show lower insecticidal effects than oil-based sprays that do not contain water, the effectiveness of sprays containing the one-pack aqueous spray composition of the present invention is almost as effective as those containing the same amount. Pyrethrum extract oil spray.
試驗例1.按照實施例1製備表1所示之各種單液型水性噴霧組合物，進行以下所示之試驗。 (1)除蟲菊萃取物之溶解性：目視確認除蟲菊萃取物對各種單液型水性噴霧組合物之溶解性。以○、△、×表示結果。 (○：單液、透明，△：單液、半透明，×：非單液) (2)乳液之穩定性：將各種單液型水性噴霧組合物裝入耐壓玻璃瓶，於5℃與45℃下保存，調查乳液之穩定性。以○、△、×表示結果。 (○：單液、透明，△：單液、半透明，×：非單液)Test Example 1. Prepare various single-liquid aqueous spray compositions shown in Table 1 according to Example 1, and conduct the tests shown below. (1) Solubility of pyrethrum extract: Visually confirm the solubility of pyrethrum extract in various single-liquid aqueous spray compositions. The results are represented by ○, △, and ×. (○: single liquid, transparent, △: single liquid, translucent, ×: not single liquid) (2) Stability of the emulsion: Put various single-liquid aqueous spray compositions into pressure-resistant glass bottles and store them at 5°C and 45°C to investigate the stability of the emulsion. The results are represented by ○, △, and ×. (○: single liquid, transparent, △: single liquid, translucent, ×: not single liquid)
[表1]
試驗例2.製備表1之實施例1、2及比較例5之單液型水性噴霧組合物，獲得水性噴霧劑。又，將與實施例1相同量之除蟲菊萃取物(天然除蟲菊精類之濃度：50%)1.80 g(噴霧原液中，除蟲菊萃取物為1.80質量%(w/v)，天然除蟲菊精類為0.90質量%(w/v))溶解於碳數11～14個之正鏈烷烴系脂肪族飽和烴(商品名：Deotomisol)，製成噴霧原液100 mL。將該噴霧原液裝入噴霧容器，於該容器安裝閥部分，通過該閥部分加壓填充LPG(液化石油氣)150 mL(相對於噴霧組合物總量為60體積%(v/v))，製備油性噴霧劑。關於實施例2及比較例5，亦以相同之方式製備油性噴霧劑。使用各種噴霧劑進行以下所示之試驗。 (1)殺蟲效力試驗(玻璃室法) 於60 cm立方(0.216 m3 )之玻璃室放入家蠅(1群約25隻雌雄成蟲)後，噴灑供試噴霧1秒鐘，記錄伴隨時間經過之擊倒蟲數。求出KT50值，將油性噴霧劑之效力設為1.0，將水性噴霧劑(實施例1、2及比較例5)之相對效力示於表2。再者，相對殺蟲效力藉由(油性噴霧劑之KT50值)/(水性噴霧之KT50值)之式算出。Test Example 2. Prepare the single-liquid aqueous spray composition of Examples 1 and 2 and Comparative Example 5 in Table 1 to obtain an aqueous spray. In addition, 1.80 g of the same amount of pyrethrum extract as in Example 1 (concentration of natural pyrethrum essence: 50%) (in the original spray solution, the pyrethrum extract is 1.80 mass % (w/v), Natural pyrethroids (0.90% by mass (w/v)) were dissolved in n-paraffin aliphatic saturated hydrocarbons with 11 to 14 carbon atoms (trade name: Deotomisol) to prepare 100 mL of spray stock solution. Put this spray solution into a spray container, install a valve part in the container, and pressurize and fill 150 mL of LPG (liquefied petroleum gas) through the valve part (60 volume % (v/v) with respect to the total amount of the spray composition). Prepare an oil-based spray. Regarding Example 2 and Comparative Example 5, oil-based sprays were also prepared in the same manner. The tests shown below were carried out using various sprays. (1) Insecticidal efficacy test (glass chamber method) After placing house flies (a group of about 25 male and female adults) in a 60 cm cubic (0.216 m 3 ) glass chamber, spray the test spray for 1 second and record the accompanying time The number of insects killed after passing. The KT50 value was calculated, the effectiveness of the oil-based spray was set to 1.0, and the relative effectiveness of the water-based spray (Examples 1 and 2 and Comparative Example 5) is shown in Table 2. Furthermore, the relative insecticidal efficacy was calculated by the formula (KT50 value of oil-based spray)/(KT50 value of water-based spray).
[表2]
試驗例1及2之結果顯示，本發明之單液型水性噴霧組合物之除蟲菊萃取物之溶解性優異。又，為單液型且乳液之穩定性優異，進而殺蟲效力亦不遜色於對照之油性噴霧劑，具有實用性。其中，除蟲菊萃取物中包含之(h)天然除蟲菊精類與上述(b)界面活性劑之調配重量比[(h)/(b)]為0.005≦[(h)/(b)]≦0.25之實施例1～7、9、10及11於除蟲菊萃取物對噴霧組合物之溶解性及殺蟲效力方面特別優異。與此相對，關於如比較例1或比較例2般界面活性劑並非(f)聚乙二醇烷基酯類與(g)山梨醇酐脂肪酸酯類之組合者、以及如比較例3或比較例7般界面活性劑為兩者之組合但其調配重量比[(f)/(g)]脫離0.5≦[(f)/(g)]≦2.5之範圍者，除蟲菊萃取物對單液型水性噴霧組合物之溶解性較低，乳液之穩定性不良。又，於使用DME作為噴射劑之情形時(比較例4)，導致乳液之穩定性之降低。進而，於在日本專利特開2003-40704中認為合適之界面活性劑中加入除蟲菊萃取物之配方(比較例2、比較例6)中，於除蟲菊萃取物對單液型水性噴霧組合物之溶解性方面並不令人滿意。其原因在於，於日本專利特開2003-40704中，使用合成擬除蟲菊酯系化合物作為殺蟲成分，與此相對，本申請案中使用之天然產除蟲菊萃取物包含較多來自植物之雜質，於選定界面活性劑時，難以應用先前之技術，要求高度之相容性。又，於增多噴霧原液中之水之量之配方(比較例5)中，殺蟲效力大幅降低。 [產業上之可利用性]The results of Test Examples 1 and 2 show that the one-pack aqueous spray composition of the present invention has excellent solubility of the pyrethrum extract. In addition, it is a single-liquid type and the emulsion has excellent stability, and its insecticidal efficacy is not inferior to that of the control oil-based spray, so it is practical. Among them, the weight ratio [(h)/(b)] of (h) natural pyrethroids contained in the pyrethrum extract and the above-mentioned (b) surfactant is 0.005≦[(h)/(b) )]≦0.25, Examples 1 to 7, 9, 10 and 11 are particularly excellent in the solubility and insecticidal efficacy of the pyrethrum extract in the spray composition. In contrast, as in Comparative Example 1 or Comparative Example 2, the surfactant is not a combination of (f) polyethylene glycol alkyl esters and (g) sorbitan fatty acid esters, and as in Comparative Example 3 or Comparative Example Example 7: When the general surfactant is a combination of the two but the weight ratio [(f)/(g)] deviates from the range of 0.5≦[(f)/(g)]≦2.5, the pyrethrum extract alone The solubility of liquid aqueous spray compositions is low and the stability of emulsions is poor. In addition, when DME is used as a propellant (Comparative Example 4), the stability of the emulsion is reduced. Furthermore, in the formulation (Comparative Example 2, Comparative Example 6) in which pyrethrum extract was added to the surfactant considered suitable in Japanese Patent Application Laid-Open No. 2003-40704, the pyrethrum extract was used to form a single-liquid aqueous spray. The solubility of the composition was unsatisfactory. The reason is that, in Japanese Patent Laid-Open No. 2003-40704, synthetic pyrethroid compounds are used as insecticidal ingredients. In contrast, the natural pyrethroid extract used in this application contains more plant-derived pyrethroids. Impurities make it difficult to apply previous technology when selecting surfactants, requiring a high degree of compatibility. Furthermore, in the formulation (Comparative Example 5) in which the amount of water in the original spray solution was increased, the insecticidal efficacy was significantly reduced. [Industrial availability]
本發明係一種除蟲菊萃取物對單液型水性噴霧組合物之溶解性優異、單液型水性噴霧組合物之穩定性亦優異、進而殺蟲效力方面亦優異之單液型水性噴霧組合物，適合作為含有除蟲菊萃取物之水性噴霧劑使用。The present invention is a one-package aqueous spray composition that is excellent in the solubility of a pyrethrum extract into a one-package aqueous spray composition, has excellent stability in the one-package aqueous spray composition, and is also excellent in insecticidal efficacy. , suitable for use as a water-based spray containing pyrethrum extract.
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