TW383213B - Liquid insecticidal preparation for heat fumigation and a method for killing insects by heat fumigation - Google Patents

Abstract

A liquid insecticidal preparation for heat fumigation, which comprises (a) 1.o to 15% by weight of a pyrethroid compound, (b) 1.0 to 10% by weight of an isopropyl ester of higher fatty acid or dibutyl phthalate, on the basis of total preparation, and (c) saturated hydrocarbon(s) having a boiling point of 180 degree to 310 degree C is stably fumigated without any clogging of a porous absorptive wick with a stable insecticidal effect for a long time, when used by dipping a part of the porous absorptive wick therein, thereby absorbing the preparation into the wick, and heating the different part of the wick from the part dipped in the preparation, thereby fumigating the preparation.

Description

__ς. "Two friends and five. Description of the invention (1) Background of the invention The present invention relates to a novel thermal fumigant liquid insecticidal preparation and a method for thermal fumigant insecticide. Related technologies are used to heat the fumigant liquid to kill The method of the insect preparation includes immersing a part of the porous absorbent core in the liquid insecticide, thereby absorbing the liquid insecticide, and heating the part that has not been soaked in the preparation, thereby fumigating the absorbed preparation. The core will clog, changing the composition of the formulation during hot fumigation, etc., so it is not easy to smoke the formulation stably for a long time to achieve a stable insecticidal effect, so it is hoped that it can be developed to be stable under the condition of hot fumigation Smokey liquid insecticide with stable insecticidal effect. Summary of the invention Printed by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs (please read the precautions on the back before filling this page) The purpose of the present invention is to solve the above problems, The method used is to add a high-carbon fatty acid isopropyl or dibutyl phthalate to the liquid insecticide to avoid clogging of the absorbent core 1 至 15 重量 And make the preparation can be smoked stably 'while maintaining a stable long-term insecticidal effect. According to the first feature of the present invention, a liquid insecticidal preparation is provided, comprising (a) 0.1 to 15 weight of the total weight of the preparation % Of pyrethroid compounds, (b) 0.3 to 10% by weight of the total weight of the preparation. High-carbon fat. This paper applies Chinese National Standard (CNS) A4 specifications (210X297 mm) _ 4-__ς. " Two friends and five. Description of the invention (1) Background of the invention The present invention relates to a novel liquid insecticidal preparation for thermal fumigation and a method for thermal fumigation. A method for fumigating a liquid insecticidal preparation by heating in the related art includes immersing a part of a porous absorbent core in the liquid insecticidal preparation, thereby absorbing the liquid insecticidal preparation, and heating a portion of the core that has not been soaked in the preparation, This absorbs the absorbed preparation. Because the absorbent core will clog and change the composition of the formulation during thermal fumigation, it is not easy to smoke the formulation stably for a long time to achieve a stable insecticidal effect. Therefore, it is hoped that under the condition of thermal fumigation, A liquid insecticide capable of stabilizing smoke and having a stable insecticidal effect. Summary of the Invention Printed by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs (please read the precautions on the back before filling out this page) The purpose of the present invention is to solve the above problems. The method used is to add high-carbon fatty acids to liquid insecticides. Isopropyl or dibutyl phthalate, thereby avoiding blockage of the absorbent core and enabling the formulation to be stably smoked while maintaining a stable long-term insecticidal effect. According to the first feature of the present invention, a liquid insecticidal formulation is proposed, comprising (a) 0.1 to 15% by weight of the pyrethroid compound and (b) 0.1% of the total weight of the formulation. 3 to 10% by weight of high-carbon fat This paper is sized for China National Standard (CNS) A4 (210X297 mm) .-. 1Λ— 5. Description of the invention (2) Isopropyl or dibutyl phthalate of acids, and (c) Saturated hydrocarbons with a boiling point of 180 ° C to 31 ° C. According to a second feature of the present invention, a thermal fumigation insecticidal method is proposed, which comprises immersing a part of a porous absorbent core in a liquid insecticidal preparation, thereby allowing the core to absorb the preparation and heating a portion of the core that has not been soaked in the preparation Thus, the absorbed formulation is smoked out, wherein the liquid insecticidal formulation used comprises (a) 0.1 to 15% by weight of the pyrethroid compound, and (b) accounts for 0.1% of the total weight of the formulation. 3 to 10% by weight of isopropyl or dibutyl phthalate of a high-carbon fatty acid, and (c) a saturated hydrocarbon having a boiling point of 180 ° C to 310 ° C. According to a third feature of the present invention, it is proposed to use isopropyl or dibutyl phthalate of a high-carbon fatty acid as an anti-blocking agent for an absorbent core for thermal smoke. The hot fumigation operation of the liquid insecticidal preparation will not cause the absorbent core to be blocked, so that the fumigation is stable and the insecticidal effect can be maintained for a long time. DETAILED DESCRIPTION OF THE INVENTION Pyrethroid compounds that can be used in the present invention include, for example: allethrin, bioall-ethrin, and ethy pyrethroids Esbiothrin, prallethrin, furame thrin, empenthrin, resmethrin酣, phenothrin, permethrin, trans-fluthrin, terallethrin, sylla ( (Please read the note on the back before filling in this page.) Bindings and bound editions, "Shenzhen Standards (CNS) A4 Specification (210X 297 mm)-5-Applicable Cooperatives, Central Standards Bureau, Ministry of Economic Affairs" Printed B7 W · B ^ ·· -—3 -.-. 1Λ— 5. Description of the invention (2) Isopropyl or dibutyl phthalate of acid, and (c) Boiling point of 180 ° C to 3 1 0 ° C saturated hydrocarbons. According to a second feature of the present invention, a thermal fumigation insecticidal method is proposed, which comprises immersing a part of a porous absorbent core in a liquid insecticidal preparation, thereby allowing the core to absorb the preparation and heating a portion of the core that has not been soaked in the preparation Thus, the absorbed formulation is smoked out, wherein the liquid insecticidal formulation used comprises (a) 0.1 to 15% by weight of the pyrethroid compound, and (b) accounts for 0.1% of the total weight of the formulation. 3 to 10% by weight of isopropyl or dibutyl phthalate of a high-carbon fatty acid, and (c) a saturated hydrocarbon having a boiling point of 180 ° C to 310 ° C. According to a third feature of the present invention, it is proposed to use isopropyl or dibutyl phthalate of a high-carbon fatty acid as an anti-blocking agent for an absorbent core for thermal smoke. The hot fumigation operation of the liquid insecticidal preparation will not cause the absorbent core to be blocked, so that the fumigation is stable and the insecticidal effect can be maintained for a long time. DETAILED DESCRIPTION OF THE INVENTION Pyrethroid compounds that can be used in the present invention include, for example: allethrin, bioall-ethrin, and ethy pyrethroids Esbiothrin, prallethrin, furame thrin, empenthrin, resmethrin酣, phenothrin, permethrin, trans-fluthrin, terallethrin, sylla ( Please read the note on the back before filling in this page.) Binding and bound book "S store standard (CNS) A4 size (210X 297 mm)-5-A7 B7 paper 5.24." Description of the Invention (3) Silafluophen, ethofenprox, etc. (Please read the notes on the back before filling this page) Isopropyl esters that can be used in the present invention include, for example, isopropyl esters of fatty acids usually having 12 to 18 carbon atoms, such as: isopropyl laurate, Isopropyl myristate, isopropyl palmitate, isopropyl stearate, and the like. The saturated hydrocarbons having a boiling point of 180 ° C to 3110 ° C which can be used in the present invention may be a monosaturated hydrocarbon or a mixture of at least two. It must be liquid, including, for example, aliphatic saturated hydrocarbons (such as: Undecane, dodecane, tridecane, tetradecane, pentadecane, hexadecane, heptadecane, octadecane, etc.), and related to aliphatic saturated hydrocarbons Alicyclic aliphatic hydrocarbons. As for saturated hydrocarbons, commercially available aliphatic and alicyclic saturated hydrocarbons can be used, such as:

No. 0 Solvent Η (registered trade name of Nippon Oil Co., Ltd., Japan), No. 0 Solvent M (registered trade name of Nippon Oil Co., Ltd., Japan), No. 0 Solvent L ( Registered trade name of Nippon Oil Co., Ltd. of Japan), Normal Paraffin (registered trade name of Sanseki-Texaco Chemical Co., Japan), registration of Deotomisole A- 1 (Yoshitomi Pharmaceeutical 1 ndustries L t d.) Commodity name), IPS o 1 vent Printed by the Consumer Standards Cooperative of the Central Standards Bureau of the Ministry of Economy 2 0 8 (registered product name of Idemitsu Petrochemical Co., Japan), Neothiosol (registered product name of Chuo Kasei KK, Japan), Norpar 1 2 (registered trade name of Exxon Chemical Co., USA), Norparl 3 (registered trade name of Exxon Chemical Co., USA), Norpar 1 5 (registered trade name of Exxon Chemical Co., USA), Isopar Μ. (Exxon of USA) Registered trade name of Chemical Co.,), Isopar L (Exxon Chemical Co., the size of this paper is applicable to China National Standard (CNS) A4 (210X297 mm) _ 6 -A7 B7 paper 5.24., Qi V. Description of invention (3) Silafluophen and ethofenprox etc. (Please read the notes on the back before filling this page) Isopropyl which can be used in the present invention Esters include, for example: isopropyl esters of fatty acids usually having 12 to 18 carbon atoms, such as: isopropyl laurate, isopropyl myristate, isopropyl palmitate, isopropyl stearate, etc. The saturated hydrocarbon which can be used in the present invention with a boiling point of 180 ° C to 3110 ° C can be a monosaturated hydrocarbon or a mixture of at least two. It must be liquid, including, for example, aliphatic saturated hydrocarbons (such as : Undecane, dodecane, tridecane, tetradecane, pentadecane, hexadecane, heptadecane, octadecane, etc.), and related to aliphatic saturated hydrocarbons As for saturated hydrocarbons, commercially available aliphatic and alicyclic saturated hydrocarbons can be used, such as:

No. 0 Solvent Η (registered trade name of Nippon Oil Co., Ltd., Japan), No. 0 Solvent M (registered trade name of Nippon Oil Co., Ltd., Japan), No. 0 Solvent L ( Registered trade name of Nippon Oil Co., Ltd. of Japan), Normal Paraffin (registered trade name of Sanseki-Texaco Chemical Co., Japan), registration of Deotomisole A- 1 (Yoshitomi Pharmaceeutical 1 ndustries L t d.) Commodity name), IPS o 1 vent Printed by the Consumer Standards Cooperative of the Central Standards Bureau of the Ministry of Economy 2 0 8 (registered product name of Idemitsu Petrochemical Co., Japan), Neothiosol (registered product name of Chuo Kasei KK, Japan), Norpar 1 2 (registered trade name of Exxon Chemical Co., USA), Norparl 3 (registered trade name of Exxon Chemical Co., USA), Norpar 1 5 (registered trade name of Exxon Chemical Co., USA), Isopar Μ. (Exxon of USA) Registered trade name of Chemical Co.,), Isopar L (Exxon Chemical Co., the size of this paper is applicable to China National Standard (CNS) A4 (210X297 mm) _ 6 -A7,., · __87 V. Description of the invention (4) Registered product name), Isopar V (registered product name of Exxon Chemical Co., USA), Isopar D 8 0 (registered product name of Exxon Chemical Co., USA) , Isopar D 1 1 0 (registered trade name of Exxon Chemical Co., USA), Isopar D 1 3 0 (registered trade name of Exxon Chemical Co., USA), etc. There is no particular restriction on the amount of saturated hydrocarbons having a boiling point of 180 ° C to 3110 ° C, but the amount is usually 50-99.6% by weight based on the total amount of the preparation. If necessary, this liquid insecticidal preparation may contain perfumes and stabilizers, such as: ΒΗT and the like. · Immerse a part of the porous absorbent core (such as the lower end) in the liquid insecticidal preparation, so that the core absorbs the preparation and heat the part that has not been soaked in the preparation (for example, when the soaked part is lower, The heating part is at the upper end), and an effective amount of the liquid insecticide can be smoked. Printed by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs (please read the precautions on the back before filling this page) Porous materials that can be used as the absorbent core of the present invention include, for example: inorganic powders (such as clay, talc, kaolin, diatoms Soil, stone, bead bodies, bentonite, acid clay, glass fiber, asbestos, etc. are combined or molded with binders (such as carboxymethyl cellulose starch, gum arabic, gelatin, polyvinyl alcohol, etc.). When necessary, this absorbent core contains pigments, preservatives, and the like. This absorbent core can be heated directly to approximately 100 ° C to 160 ° c with a ring heater (such as an electric heater). When applied to a thermal fumigation-type device for insecticidal use, ‘this thermal fumigation method is very effective. See JP-B — 2 — 25885 and so on. The insects killed by this method are able to conform to the standard Chinese National Standard (CNS) A4 (210X 297 mm) of the paper contained in the liquid insecticidal preparation. _ A7,., · __87 V. Description of the invention (4) Registered product name), Isopar V (registered product name of Exxon Chemical Co., USA), Isopar D 8 0 (registered product name of Exxon Chemical Co., USA), Isopar D 1 1 0 (US Exxon Chemical Co. ., Registered product name), Isopar D 1 3 0 (registered product name of Exxon Chemical Co., USA), etc. There is no particular restriction on the amount of saturated hydrocarbons having a boiling point of 180 ° C to 3110 ° C, but the amount is usually 50-99.6% by weight based on the total amount of the preparation. If necessary, this liquid insecticidal preparation may contain perfumes and stabilizers, such as: ΒΗT and the like. · Immerse a part of the porous absorbent core (such as the lower end) in the liquid insecticidal preparation, so that the core absorbs the preparation and heat the part that has not been soaked in the preparation (for example, when the soaked part is lower, The heating part is at the upper end), and an effective amount of the liquid insecticide can be smoked. Printed by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs (please read the precautions on the back before filling this page) Porous materials that can be used as the absorbent core of the present invention include, for example: inorganic powders (such as clay, talc, kaolin, diatoms Soil, stone, bead bodies, bentonite, acid clay, glass fiber, asbestos, etc. are combined or molded with binders (such as carboxymethyl cellulose starch, gum arabic, gelatin, polyvinyl alcohol, etc.). When necessary, this absorbent core contains pigments, preservatives, and the like. This absorbent core can be heated directly to approximately 100 ° C to 160 ° c with a ring heater (such as an electric heater). When applied to a thermal fumigation-type device for insecticidal use, ‘this thermal fumigation method is very effective. See JP-B — 2 — 25885 and so on. The insects killed by this method are able to conform to the standard Chinese National Standard (CNS) A4 (210X 297 mm) of the paper contained in the liquid insecticidal preparation. A_j_, ν-Β7 lafi. Description of the Invention (5) Pyrethroid compounds are eliminated, including, for example, mosquitoes and flies. Brief Description of the Drawings Fig. 1 is an example of a device which can be used in the thermal fumigation method of the present invention; Fig. 2A is the device used in Example 5; Fig. 2B is a top view of the golden ring of Fig. 2A. Explanation of pictograms ^ Du Yinfan 1… ^ ^ Insecticide 2…… ring heater 3…. .. porous absorbent core 4 ...... ...... preparation container 1 1 ......... glass tube 1 2 ......... cylindrical plastic cover 1 3 ......... Gold ring 1 4 ··· · · · _ · _ Metal post 1 5 • · · · · · · · Hot fumigation device 1 6 .. Metal Plate The preferred embodiment of the present invention will be described in more detail with reference to the following examples. Example 1 As component (a), prallethrin (prallethrin) The original & standard applies to the standard of the prisoner (CNS) A4 (210X297 mm) -8-(Please read the back Note: Please fill in this page again.) Pack. A7 j, ν-Β7 lafi. V. Description of the invention (5) Pyrethroid compounds are eliminated, including: mosquitoes, flies, etc. Brief Description of the Drawings Fig. 1 is an example of a device which can be used in the thermal fumigation method of the present invention; Fig. 2A is the device used in Example 5; Fig. 2B is a top view of the golden ring of Fig. 2A. Explanation of pictograms ^ Du Yinfan 1… ^ ^ Insecticide 2…… ring heater 3…. .. porous absorbent core 4 ...... ...... preparation container 1 1 ......... glass tube 1 2 ......... cylindrical plastic cover 1 3 ......... Gold ring 1 4 ··· · · · _ · _ Metal post 1 5 • · · · · · · · Hot fumigation device 1 6 .. Metal Plate The preferred embodiment of the present invention will be described in more detail with reference to the following examples. Example 1 Prallethrin as component (a) The original & standard is applicable to the standard of Chinese prisoner (CNS) A4 (210X297 mm) -8-(Please read the back Note: Please fill in this page again.) Pack. Annual sugar 5. Invention description (6) a, a -mm- Isopropyl palmitate printed by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economy and used as component (b) is dissolved in Norpar 13 (U.S. Exxon Chemical Co., the registered name of a commercially available saturated hydrocarbon) forms a solution of 2.6 wt% and 7.7% by weight, respectively, thereby obtaining the present liquid insecticidal preparation. This preparation was placed in a 45 ml container with a thermal fumigation type insecticidal device, as shown in Figure 1, equipped with an absorbent core. In FIG. 1, reference numeral 1 is a liquid insecticide, 2 is a ring heater, 3 is a porous absorbent core, 4 is a container of Formula 1, and a lower end portion of the porous absorbent core 3 is immersed in Formula 1 to inhale Formula 1 Inside the core 3, the upper end of the core 3 is heated by the ring heater 2. Example 2 Prallethrin as component (a) and dibutyl phthalate as component (b) were dissolved in Norp a Γ 1 3 (Exxon Chemical Co., USA, commercially available) Registered names of saturated hydrocarbons) to form 2.6 wt% and 7.7 wt% solutions, respectively, to obtain the liquid insecticidal preparation. "This preparation was placed in a 45 ml capacity container of a thermal fumigation type insecticidal device. This equipment is shown in Figure 1 with an absorbent core. Example 3 Allyl pyrethroid and isopropyl palmitate were dissolved in Neothiosoi (the former) to form 3.5% by weight and 5.0% by weight solutions, respectively, thereby obtaining the present liquid insecticidal preparation. Example 4 This paper size is in accordance with China National Standard (CNS) A4 specification (2 丨 0 '乂 297mm) _ 9 _ --------- ^-(Please read the precautions on the back before filling in this page)

1. Sugar in 1T 5. Invention description (6) a, a -mm- Isopropyl palmitate printed by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs and used as component (b) was dissolved in Norpar 13 (Exxon Chemical Co., USA, The registered names of commercially available saturated hydrocarbons) form 2.6 wt% and 7.7 wt% solutions, respectively, thereby obtaining the present liquid insecticide. This preparation was placed in a 45 ml container with a thermal fumigation type insecticidal device, as shown in Figure 1, equipped with an absorbent core. In FIG. 1, reference numeral 1 is a liquid insecticide, 2 is a ring heater, 3 is a porous absorbent core, 4 is a container of Formula 1, and a lower end portion of the porous absorbent core 3 is immersed in Formula 1 to inhale Formula 1 Inside the core 3, the upper end of the core 3 is heated by the ring heater 2. Example 2 Prallethrin as component (a) and dibutyl phthalate as component (b) were dissolved in Norp a Γ 1 3 (Exxon Chemical Co., USA, commercially available) Registered names of saturated hydrocarbons) to form 2.6 wt% and 7.7 wt% solutions, respectively, to obtain the liquid insecticidal preparation. "This preparation was placed in a 45 ml capacity container of a thermal fumigation type insecticidal device. This equipment is shown in Figure 1 with an absorbent core. Example 3 Allyl pyrethroid and isopropyl palmitate were dissolved in Neothiosoi (the former) to form 3.5% by weight and 5.0% by weight solutions, respectively, thereby obtaining the present liquid insecticidal preparation. Example 4 This paper size is in accordance with China National Standard (CNS) A4 specification (2 丨 0 '乂 297mm) _ 9 _ --------- ^-(Please read the precautions on the back before filling in this page)

, 1T

0% by weight and 1.0% by weight, dissolving Chuanfu Pyrethroid (transfluthrin) and isopropyl stearate in Norp ar15 (the former) respectively Solution, thereby obtaining the present liquid insecticidal preparation. Example 5 The equipment shown in circle 2 was used. Ten female adult mosquitoes (Γη lex niniens oallens) were placed in two glass tubes 11 (4 cm in diameter and 12 cm in height). Then, both ends of the glass tube were sealed with nylon mesh. Place the glass tube in a cylindrical plastic cover with a diameter of 20 cm, a height of 30 cm, and a metal ring 1 3 integrated with the metal plate 17 (about 5 cm wide) at the bottom. The metal plate has some tapered holes. 16 Fix the glass tube 1 1 so that the glass tube is fixed in the tapered hole 16》 column cover 12 with a metal column 14 ((20 cm in diameter and 80 cm in height) at the bottom. Obtained from Example 1 or 2 The heated fumigation insecticidal device 15 is used for the bottom of the gold pillar 14 after being heated. The upper part of the absorbent core is indirectly heated to 1 2 0 _ 1 3 5 ° C. At different time intervals (such as: test 5 hours, 105 hours, 20.5 hours, 30.5 hours, and 40.5 hours after the start) Calculate the number of female adult mosquitoes dropped. KT5 was calculated from Pr ob it analysis. (50% females Time required for adult mosquitoes to fall (minutes) ° Diheptyl phthalate was used instead of isopropyl palmitate as component (b) in Example 1 for comparative tests. The results are shown in the table. This paper size applies to China National Standard (CNS) A4 (210X297 mm) -10-^^^ 1 mf In mn ^ i ^^ 1 nn ^^^ 1—-J. 0¾- ° (Please read the notes on the back before filling this page)

0% by weight and 1.0% by weight, dissolving Chuanfu Pyrethroid (transfluthrin) and isopropyl stearate in Norp ar15 (the former) respectively Solution, thereby obtaining the present liquid insecticidal preparation. Example 5 The equipment shown in circle 2 was used. Ten female adult mosquitoes (Γη lex niniens oallens) were placed in two glass tubes 11 (4 cm in diameter and 12 cm in height). Then, both ends of the glass tube were sealed with nylon mesh. Place the glass tube in a cylindrical plastic cover with a diameter of 20 cm, a height of 30 cm, and a metal ring 1 3 integrated with the metal plate 17 (about 5 cm wide) at the bottom. The metal plate has some tapered holes. 16 Fix the glass tube 1 1 so that the glass tube is fixed in the tapered hole 16》 column cover 12 with a metal column 14 ((20 cm in diameter and 80 cm in height) at the bottom. Obtained from Example 1 or 2 The heated fumigation insecticidal device 15 is used for the bottom of the gold pillar 14 after being heated. The upper part of the absorbent core is indirectly heated to 1 2 0 _ 1 3 5 ° C. At different time intervals (such as: test 5 hours, 105 hours, 20.5 hours, 30.5 hours, and 40.5 hours after the start) Calculate the number of female adult mosquitoes dropped. KT5 was calculated from Pr ob it analysis. (50% females Time required for adult mosquitoes to fall (minutes) ° Diheptyl phthalate was used instead of isopropyl palmitate as component (b) in Example 1 for comparative tests. The results are shown in the table. This paper size applies to China National Standard (CNS) A4 (210X297 mm) -10-^^^ 1 mf In mn ^ i ^^ 1 nn ^^^ 1—-J. 0¾- ° (Please read the notes on the back before filling out this page) b8o2i3 A7 B7 Imazu & 24

Ifl V. Invention Description (8) Composition (b) K T5 within the time intervals listed below. (Minutes) 5 hours 10 5 hours 205 hours 30 5 hours 405 hours dibutyl phthalate 2. 6 2. 2 2.3 2.4 2.5 isopropyl palmitate 2.5 2. 5 2. 3 2.4 2. 5 diphthalate Heptyl 2. 7 2.8 3. 1 4. 0 3.3 --.------ Pack 1 (Please read the precautions on the back before filling out this page) Order printed by the Consumers' Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs The table shows that when diheptyl phthalate is used as component (b) instead of isopropyl palmitate, the insecticidal effect is reduced. A similar test was also performed using component (b) which is not such at all. The volatilization effect of effective component (a) will be reduced due to the clogging of the absorbent core about 300 hours after the start of the test, and it will not be able to maintain long The insecticidal effect of time. The thermal fumigation method of the liquid insecticidal preparation can stabilize the preparation for a long time and maintain a stable insecticidal effect. This paper size applies to China National Standard (CNS) A4 (210X297 mm) -11-b8o2i3 A7 B7 Imaji & 24

Ifl V. Invention Description (8) Composition (b) K T5 within the time intervals listed below. (Minutes) 5 hours 10 5 hours 205 hours 30 5 hours 405 hours dibutyl phthalate 2. 6 2. 2 2.3 2.4 2.5 isopropyl palmitate 2.5 2. 5 2. 3 2.4 2. 5 diphthalate Heptyl 2. 7 2.8 3. 1 4. 0 3.3 --.------ Pack 1 (Please read the precautions on the back before filling out this page) Order printed by the Consumers' Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs The table shows that when diheptyl phthalate is used as component (b) instead of isopropyl palmitate, the insecticidal effect is reduced. A similar test was also performed using component (b) which is not such at all. The volatilization effect of effective component (a) will be reduced due to the clogging of the absorbent core about 300 hours after the start of the test, and it will not be able to maintain long The insecticidal effect of time. The thermal fumigation method of the liquid insecticidal preparation can stabilize the preparation for a long time and maintain a stable insecticidal effect. This paper size applies to China National Standard (CNS) A4 (210X297 mm) -11-

Claims (1)

^ ^ w j. x ^ 'Ϊ Chinese application scope λ correction% «Amended in April 1987 1.! 1 2 1 丄% Ⅹ ^ 4j _ VI. Patent application scope' 1 · A liquid for killing hot smoke Insect preparation 'is characterized in that it comprises (a) a pyrethroid compound (which is selected from the group consisting of allethrin, bioallyl Pyrethroid (bioaUethrin), Ace Bio-Pyrethroid (esbiothrin), Puppet C's pyrethrin · vinegar (prallethrin), Fufamethrin (furamethrin), Amphetamine Pyrethroid Vinegar (empent-hrin) 'Resmethrin, 1 & Phenothrin, Pyrethrin. Permetlirin, Chuanfu Pyrethroid ( transfluthrin), 'terallethrin', silafluop'hen and ethofenp.rox), (b) accounted for 1.0% to 10% by weight of isopropyl or dibutyl phthalate of high carbon fatty acids with 1 2 to 18 carbon atoms, and (C) saturated hydrocarbons having a boiling point of 180 ° C to 3 1 0 eC · 2. If applying for a patent The liquid insecticidal preparation around item 1, in which component (b) is an isopropyl ester of a high-carbon fatty acid with 1 2 to 18 carbon atoms, printed by a member of the Ministry of Economic Affairs of the Ministry of Economic Affairs, V. Leak Cooperative (please Seven st * 1r. Fill in the precautions again, 1) 3. If the liquid insecticide of item 1 of the scope of patent application, component (b) is dibutyl phthalate. 4. If applying for a patent The liquid insecticidal preparation of the second item, wherein the component (b) is isopropyl laurate, isopropyl myristate, isopropyl palmitate or isopropyl stearate. 5. Hot smoke The method of fumigating and killing insects is characterized in that a part of the porous absorbent core is immersed in a liquid insecticide, thereby making the paper of the core absorbent preparation applicable to the Chinese National Standard (CNS) A4 standard (210X 297 mm) ^ ^ w j. x ^ 'Ϊ Chinese application scope λ correction% «Amended in April 1987 1.! 1 2 1 丄% Ⅹ ^ 4j _ VI. Patent application scope' 1 · A liquid for killing hot smoke Insect preparation 'is characterized in that it comprises (a) a pyrethroid compound (which is selected from allyl Allethrin, bioaUethrin, esbiothrin, prallethrin, Pyrethroid, Pyrethroid Ester (furamethrin), pentamidine-type pyrethroid (empent-hrin) 'Resmethrin', 1 & Pyrethrin (phenothrin), Puyi Pyrethroid. Permetlirin ), Transfluthrin, 'terallethrin', silafluop'hen, and ethofenp.rox), (b ) Isopropyl or dibutyl phthalate of a high carbon fatty acid having 1 to 2 to 18 carbon atoms in an amount of 1.0 to 10% by weight of the total preparation and (C) a boiling point of 180 ° Saturated hydrocarbons from C to 3 1 0 eC. 2. The liquid pesticide according to item 1 of the patent application scope, wherein component (b) is an isopropyl ester of a high carbon fatty acid with 1 2 to 18 carbon atoms. Printed by the member of the Ministry of Standards and Veterinary Affairs Bureau V Yifei Cooperative Cooperative (please fill in the precautions of 7st * 1r., 1) 3. If you apply for a liquid insecticide in the first scope of the patent application, where: b) is dibutyl phthalate. 4. The liquid insecticide according to item 2 of the patent application scope, wherein component (b) is isopropyl laurate, isopropyl myristate, isopropyl palmitate Esters or isopropyl stearate · 5-A method of thermal fumigation insecticidal, characterized in that it comprises immersing a part of a porous absorbent core in a liquid insecticidal preparation, thereby making the core absorbent preparation suitable for use on a paper scale Chinese National Standard (CNS) A4 grid (210X 297 mm) A8 B8 CS D8 3 87. 4. i 4 々, apply for patent Fangu (please read the notes on the back and fill in ¢-, shell), heating A portion of the core that has not been soaked in the formulation, thereby fumigating the absorbed formulation, wherein the liquid insecticidal formulation contains (a) a pyrethroid compound in an amount of -1.0 to 15% by weight based on the total weight of the formulation (It is selected from the group consisting of allethrin, bioa-'llethrin, esbiothrin and 'espothrin' Prallethrin, fura-methrin, empenthrin, amfenthrin Resmethrin, K phenothrin, permethrin, transf 1-uthrin, special Pyrethroid C (Tera Π ethri η) 'silafluophen and ethofenprox), (b) 1.0 to 10% by weight of the total weight of the preparation with 1 2 to 1 8 carbon atoms high carbon Isopropyl or dibutyl phthalate of fatty acids, and (c) saturated hydrocarbons having a boiling point of 180 ° C to 3110eC. 6. The method according to item 5 of the patent application, wherein component (b) is isopropyl ester of fluorene carbon fatty acid having 12 to 18 carbon atoms. Printed by the Legacy Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs. 7. If the method of applying for the scope of patent No. 5 is applied, component (b) is dibutyl phthalate. 8. For the method of applying for the scope of patent No. 6, Among them, component (b) is isopropyl laurate, isopropyl myristate, isopropyl palmitate, or isopropyl stearate. The paper size is in accordance with China National Standards (CNS) A4 Ligue (210X 297 mm) 2 A8 B8 CS D8 3 87. 4. i 4 々, patent application Fangu (please read the precautions on the back before filling ¢-, shell), the part of the heating core that has not been soaked in the preparation, The absorbed preparation is smoked out by this, wherein the liquid insecticidal preparation contains (a) a pyrethroid compound (which is selected from the group consisting of allyl pyrethroids) in an amount of -1.0 to 15% by weight based on the total weight of the preparation. Allethrin, bioa- 'llethrin, esbiothrin' prallethrin ', Pyrethroid Fura-methrin, empenthrin, resmethrin, K-pesticide Vinegar (phenothrin), permethrin, transf 1-uthrin, tera ethethrin (tera Π ethri η) silafluophen) and ethofenprox), (b) isopropyl or dibutyl phthalate with 1 to 18 carbon atoms and high carbon fatty acids, which account for 1.0 to 10% by weight of the total formulation weight , And (c) a saturated hydrocarbon having a boiling point of 180 ° C to 3110eC. 6. The method according to item 5 of the patent application, wherein component (b) is isopropyl ester of fluorene carbon fatty acid having 12 to 18 carbon atoms. Printed by the Legacy Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs. 7. If the method of applying for the scope of patent No. 5 is applied, component (b) is dibutyl phthalate. 8. For the method of applying for the scope of patent No. 6, Among them, component (b) is isopropyl laurate, isopropyl myristate, isopropyl palmitate, or isopropyl stearate. The paper size is in accordance with China National Standards (CNS) A4 Ligue (210X 297 mm) 2