JP3739804B2 - Agrochemical composition - Google Patents

Agrochemical composition Download PDF

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JP3739804B2
JP3739804B2 JP35036691A JP35036691A JP3739804B2 JP 3739804 B2 JP3739804 B2 JP 3739804B2 JP 35036691 A JP35036691 A JP 35036691A JP 35036691 A JP35036691 A JP 35036691A JP 3739804 B2 JP3739804 B2 JP 3739804B2
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Prior art keywords
poe
alkyl
ether
surfactant
metal salt
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JP35036691A
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JPH05155706A (en
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祐一 前川
崇 増村
利夫 水野
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Nippon Soda Co Ltd
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Nippon Soda Co Ltd
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Description

【0001】
【産業上の利用分野】
本発明は、水にも油にも希釈容易な農薬組成物に関する。
【0002】
【従来の技術】
近年、特に中南米のバナナ地帯では農薬散布の省力化及び効力の増強を目的として、農薬を鉱物油等に希釈して航空機散布する方法がとられている。散布用の農薬製剤品には溶剤中に農薬原体と界面活性剤等を溶解した乳剤や、農薬原体と鉱物質担体や界面活性剤等を混合してジェット粉砕した水和剤や、農薬原体と界面活性剤や鉱物質担体等を混合して顆粒状に成型した顆粒水和剤(ドライフロアブル剤)や、農薬原体を界面活性剤と鉱物質担体や有機物ポリマ−等と共に高濃度で水中に分散させた濃厚懸濁液剤(フロアブル剤)等がある。しかし、これらの剤は何れも水に希釈するための製剤品であるため、中南米で広く行われているような鉱物油等に希釈する方法で使用するには適さなかった。
【0003】
【発明が解決しようとする課題】
近年、中南米のバナナ地帯で行われているような、農薬を鉱物油等の油に高濃度で希釈して航空機散布する方法は、農薬散布の省力化や効力の増強あるいは環境汚染の防止等に対しては大変有効である。しかし、希釈剤としての農薬製剤品はすべて水に希釈するために処方されたものであるため、鉱物油等の油には容易に希釈されず、特に水和剤やフロアブル剤は油中では激しく凝集するために使用することができなかった。
本発明は、水にも油にも希釈容易な農薬組成物を提供することを目的とする。
【0004】
【課題を解決するための手段】
本発明者等は、これらの問題を解決するため鋭意検討し、本発明を完成した。即ち、本発明は多価アルコ−ルの脂肪酸エステルを含有することを特徴とする農薬組成物である。
本発明に於ける農薬原体は殺菌剤、殺虫剤、殺ダニ剤何れも使用できる。例えば、殺菌剤ではベンズイミダゾ−ル系のチオファネ−トメチル,ベノミル,チアベンダゾ−ル等や、エチレンビス−ジチオカ−バメ−ト系のジネブ,マンネブ,マンゼブ,ポリカ−バメ−ト等や、ジメチルジチオカ−バメ−ト系のジラム,チウラム等や、ジカルボキシイミド系のビンクロゾリン,イプロジオン,プロシミドン等や、トリアゾ−ル系のトリアジメホン,ビテルタノ−ル,ヘキサコナゾ−ル,プロピコナゾ−ル等や、イミダゾ−ル系のトリフルミゾ−ル,プロクロラズ等があげられる。また、殺虫剤では有機リン系のMEP,DDVP,ダイアジノン,サリチオン等や、ピレスロイド系のパ−メスリン,フェンバレレ−ト,エトフェンプロックス等や、カ−バメ−ト系のNAC,MTMC,BPMC,メソミル,カルタップ等や、ベンゾイルフェニルウレア系のジフルベンズロン,テフルベンズロン等があげられる。また殺ダニ剤ではケルセン,フェニソブロモレ−ト,テトラジホン,BPPS,ヘキシチアゾクス等があげられる。
【0005】
これらの農薬原体は常温で固体の場合は何等問題がないが、液体の場合には吸油能の大きな担体例えば酸化珪素等に吸着して用いればよい。
農薬原体の処方中の含有量は通常の水和剤と同様に1〜90重量%(以下%と書く)でよく、好ましくは10〜80%である。
水にも油にも希釈可能にするために用いる多価アルコ−ルの脂肪酸エステルとしては、脂肪酸部がC8 〜C18の直鎖または分岐状の飽和あるいは不飽和の脂肪酸であり、例えば、カプリル酸,ラウリン酸,パルミチン酸,ミリスチン酸,ステアリン酸,イソステアリン酸,オレイン酸,セスキオレイン酸,リノ−ル酸,リノレイン酸等であり、多価アルコールは2個以上の水酸基を有したものであり、例えばグリセリン,ペンタエリスリトール,ジグリセリン,ジエチレングリコ−ル,トリエチレングリコ−ル,ソルビタン,ソルビト−ル,糖類等があげられる。
【0006】
本発明に用いられる多価アルコ−ルの脂肪酸エステルは、前記記載の何れも使用可能であるが、親水性と親油性のバランスを表すHLBが2〜9の値を持ったものがよく、好ましくは3〜8のものがよい。また、処方中の添加量は2〜30%がよく、好ましくは5〜20%がよい。また、液状の場合には吸油能の大きな担体に吸着させ、粉状にして用いることが可能である。
【0007】
界面活性剤としては通常の水和剤に用いられる陰イオン系,非イオン系のすべてが使用可能である。例えば、リグニンスルホン酸の金属(Na,Ca,Mg等)塩,アルキルアリルスルホン酸の金属(Na,Ca,Mg等)塩やアンモニウム塩,アルキルスルホン酸の金属(Na,Ca,Mg等)塩やアンモニウム塩,ジアルキルスルホコハク酸の金属(Na,Ca,Mg等)塩等の陰イオン系界面活性剤や、ポリオキシエチレン(以下POEと書く)アルキルエ−テル,POEアルキルエステル,POEアルキルアリルエ−テル,POEヒマシ油エ−テル,POEソルビタンエ−テル等の非イオン系界面活性剤である。
また、処方中の使用量は通常の水和剤と同様で2〜30%がよく、好ましくは5〜20%がよい。
【0008】
増量剤としては通常の水和剤に用いられるものすべてが使用可能であるが、好ましくは焼成して付着水分の少ないものがよい。例えば、クレー,タルク,炭酸カルシウム,珪藻土,焼成クレ−,焼成珪藻土等である。
本発明の農薬組成物の製造方法としては通常の水和剤と同様の方法で製造可能である。即ち、農薬原体と本発明の多価アルコ−ルの脂肪酸エステルと界面活性剤及び増量剤を混合し、粉砕することにより製造できる。
【0009】
【実施例】
以下実施例にて本発明を詳細に説明するが、本発明はこれらの実施例に限定されるものではない。
実施例1
チオファネ−トメチル70g,二酸化珪素に50%で吸着させたソルビタンモノオレエ−ト〔ニュ−コ−ル80(HLB:4.6);日本乳化剤株式会社製〕10g,二酸化珪素に50%で吸着させたPOEアルキルフェニルエ−テルホルマリン縮合物7g,焼成珪藻土13gをビニ−ル袋で混合した後、ジェット粉砕機で粉砕し目的の農薬組成物を得た。
【0010】
実施例2
トリフルミゾ−ル30g,二酸化珪素に50%で吸着させたグリセリンモノステアレ−ト〔レオド−ルMS−60(HLB:3.8);花王株式会社製〕10g,二酸化珪素に50%で吸着させたPOEアルキルエ−テル10g,炭酸カルシウム50gをビニ−ル袋で混合した後、ジェット粉砕機で粉砕し目的の農薬組成物を得た。
【0011】
実施例3
ヘキシチアゾクス10g,二酸化珪素に50%で吸着させたソルビタンモノステアレ−ト〔ニュ−コ−ル60(HLB:4.6);日本乳化剤株式会社製〕10g,二酸化珪素に50%で吸着させたPOEアルキルフェニルエ−テル7g,焼成珪藻土73gをビニ−ル袋で混合した後、ジェット粉砕機で粉砕し目的の農薬組成物を得た。
【0012】
比較例1
実施例1の処方において、二酸化珪素に50%で吸着させたソルビタンモノオレエ−ト10gの代わりに焼成珪藻土10gを用いたものをビニ−ル袋で混合した後、ジェット粉砕機で粉砕し農薬組成物を得た。
【0013】
比較例2
実施例2の処方において、二酸化珪素に50%(w/w)で吸着させたグリセリンモノステアレ−ト10gの代わりに炭酸カルシウム10gを用いたものをビニ−ル袋で混合した後、ジェット粉砕機で粉砕し農薬組成物を得た。
【0014】
比較例3
実施例3の処方において、二酸化珪素に50%(w/w)で吸着させたソルビタンモノステアレ−ト10gの代わりに焼成珪藻土10gを用いたものをビニ−ル袋で混合した後、ジェット粉砕機で粉砕し農薬組成物を得た。
【0015】
【発明の効果】
試験例1 懸濁安定性試験
実施例1〜3及び比較例1〜3の農薬組成物について水(3度硬水)と油〔日石農薬オイル(日本石油化学株式会社製)〕に対する懸濁安定性をみた。
〈水(3度硬水)に対する懸濁安定性試験〉
100mlの沈降管に3度硬水100mlを入れ、そこに試料約100mg(1000倍)を加えて試料がすべて沈降した後、ゴム栓をつけて30回/分倒立し静置する。静置後30分,3時間,5時間,24時間後の懸濁安定性(凝集の有無)を観察した結果を表1に示す。
【0016】
【表1】

Figure 0003739804
【0017】
〈油(日石農薬オイル)に対する懸濁安定性試験〉
10mlのビ−カ−に試料約0.7gを入れ、そこに日石農薬オイル約0.5mlを加えて均一になるようによく練る。20mlの共栓付沈降管に日石農薬オイル20mlを入れ、そこに先に日石農薬オイルで練った試料を加えて、共栓をつけて30回/分倒立し静置する。静置後30分,3時間,5時間,24時間後の懸濁安定性(凝集の有無)を観察した結果を表2に示す。
【0018】
【表2】
Figure 0003739804
【0019】
本発明により製造された農薬組成物は、水に容易に懸濁し懸垂性も良好なばかりでなくマシン油のような油にも容易に懸濁し水の場合と同様に懸垂性も良好であり農業分野に於ける利用価値は大きい。[0001]
[Industrial application fields]
The present invention relates to an agrochemical composition that can be easily diluted with water or oil.
[0002]
[Prior art]
In recent years, especially in the banana zone of Central and South America, a method of diluting pesticides with mineral oil or the like and spraying them with aircraft has been taken for the purpose of saving labor and enhancing the effectiveness of spraying pesticides. Agricultural chemicals for spraying use include emulsions in which the active ingredients and surfactants are dissolved in solvents, wettable powders that are obtained by mixing the active ingredients with mineral substances and surfactants, jet milling, and agricultural chemicals. Granule wettable powder (dry flowable agent) formed by mixing the active ingredient with a surfactant, mineral carrier, etc., and a high concentration of the pesticide active ingredient together with the surfactant, mineral carrier, organic polymer, etc. And concentrated suspensions (flowable agents) dispersed in water. However, since these agents are preparations for diluting in water, they were not suitable for use in a method of diluting with mineral oil or the like widely used in Latin America.
[0003]
[Problems to be solved by the invention]
In recent years, the method of spraying aircraft by diluting agricultural chemicals at high concentrations in mineral oil and other oils, as used in banana zones in Central and South America, can be used to save labor, increase efficacy, and prevent environmental pollution. It is very effective for this. However, since all agricultural chemicals as diluents are formulated to be diluted in water, they are not easily diluted in oils such as mineral oils. Especially wettable powders and flowables are intense in oils. Could not be used to agglomerate.
An object of the present invention is to provide an agrochemical composition that can be easily diluted into water and oil.
[0004]
[Means for Solving the Problems]
The present inventors diligently studied to solve these problems and completed the present invention. That is, the present invention is an agrochemical composition characterized by containing a fatty acid ester of a polyhydric alcohol.
In the present invention, the agrochemical base can be any of bactericides, insecticides, and acaricides. Examples of fungicides include benzimidazole-type thiophanate methyl, benomyl, thiabendazole, etc., ethylenebis-dithiocarbamate-type geneb, manneb, manzeb, polycarbamate, etc., dimethyldithiocate -Bamates-based dirams, thiurams, dicarboximide-based vinclozolines, iprodiones, procymidones, triazole-based triazimephones, viteltanol, hexaconazole, propiconazole, etc., imidazoles Triflumizole, prochloraz and the like. Insecticides include organophosphorus MEP, DDVP, diazinon, salicion, etc., pyrethroids permethrin, fenvalerate, etofenprox, etc., and carbamate NAC, MTMC, BPMC, mesomil. , Cartap, and the like, benzoylphenylurea-based diflubenzuron, and teflubenzuron. Examples of acaricides include kelsen, phenisobromolate, tetradiphone, BPPS, hexythiazox and the like.
[0005]
These agrochemicals are not problematic in the case of a solid at room temperature, but in the case of a liquid, they may be used by adsorbing on a carrier having a large oil absorption capacity such as silicon oxide.
The content of the pesticide active ingredient in the formulation may be 1 to 90% by weight (hereinafter referred to as%), preferably 10 to 80%, as in the case of the usual wettable powder.
Polyhydric alcohol used in order to also be diluted in an oil in water - as the fatty acid esters of Le, fatty portion is a linear or branched, saturated or unsaturated fatty acids of C 8 -C 18, for example, Caprylic acid, lauric acid, palmitic acid, myristic acid, stearic acid, isostearic acid, oleic acid, sesquioleic acid, linoleic acid, linolenic acid, etc. Polyhydric alcohols have two or more hydroxyl groups Examples thereof include glycerin, pentaerythritol, diglycerin, diethylene glycol, triethylene glycol, sorbitan, sorbitol, and saccharides.
[0006]
As the fatty acid ester of the polyhydric alcohol used in the present invention, any of those described above can be used, but it is preferable that the HLB representing the balance between hydrophilicity and lipophilicity has a value of 2 to 9, preferably Is preferably 3-8. Moreover, 2-30% is good for the addition amount in prescription, Preferably 5-20% is good. In the case of a liquid, it can be adsorbed on a carrier having a large oil absorption capacity and used in the form of powder.
[0007]
As the surfactant, any of anionic and nonionic types used in ordinary wettable powders can be used. For example, metal (Na, Ca, Mg, etc.) salts of lignin sulfonic acid, metal (Na, Ca, Mg etc.) salt of alkylallyl sulfonic acid, ammonium salt, metal (Na, Ca, Mg etc.) salt of alkyl sulfonic acid And anionic surfactants such as metal salts (Na, Ca, Mg, etc.) of dialkylsulfosuccinic acid, polyoxyethylene (hereinafter referred to as POE) alkyl ether, POE alkyl ester, POE alkyl allyl ether Nonionic surfactants such as Tell, POE castor oil ether and POE sorbitan ether.
Moreover, the usage-amount in prescription is the same as a normal wettable powder, 2-30% is good, Preferably 5-20% is good.
[0008]
As the bulking agent, all those used for ordinary wettable powders can be used. For example, clay, talc, calcium carbonate, diatomaceous earth, calcined clay, calcined diatomaceous earth and the like.
The method for producing the agrochemical composition of the present invention can be produced by the same method as that for ordinary wettable powder. That is, it can be produced by mixing the pesticidal active ingredient, the fatty acid ester of the polyhydric alcohol of the present invention, a surfactant and a filler, and pulverizing them.
[0009]
【Example】
EXAMPLES Hereinafter, the present invention will be described in detail with reference to examples, but the present invention is not limited to these examples.
Example 1
70 g of thiophenate methyl, sorbitan monooleate adsorbed on silicon dioxide at 50% [Nucol 80 (HLB: 4.6); made by Nippon Emulsifier Co., Ltd.], 10 g, adsorbed on silicon dioxide at 50% After mixing 7 g of the POE alkylphenyl ether formalin condensate and 13 g of calcined diatomaceous earth in a vinyl bag, the mixture was pulverized with a jet pulverizer to obtain the desired agricultural chemical composition.
[0010]
Example 2
30 g of triflumizole, glycerin monostearate adsorbed to silicon dioxide at 50% [Leodol MS-60 (HLB: 3.8); manufactured by Kao Corporation] 10 g, adsorbed to silicon dioxide at 50% After mixing 10 g of POE alkyl ether and 50 g of calcium carbonate in a vinyl bag, the mixture was pulverized with a jet pulverizer to obtain the desired agricultural chemical composition.
[0011]
Example 3
10 g of hexythiazox, sorbitan monostearate adsorbed to silicon dioxide at 50% [New Color 60 (HLB: 4.6); made by Nippon Emulsifier Co., Ltd.], 10 g, adsorbed to silicon dioxide at 50% After mixing 7 g of POE alkylphenyl ether and 73 g of calcined diatomaceous earth in a vinyl bag, the mixture was pulverized with a jet pulverizer to obtain the desired agricultural chemical composition.
[0012]
Comparative Example 1
In the formulation of Example 1, 10 g of baked diatomaceous earth mixed with 10 g of sorbitan monooleate adsorbed to silicon dioxide at 50% was mixed in a vinyl bag, and then pulverized with a jet crusher. A composition was obtained.
[0013]
Comparative Example 2
In the formulation of Example 2, a mixture using 10 g of calcium carbonate instead of 10 g of glycerin monostearate adsorbed to silicon dioxide at 50% (w / w) was mixed in a vinyl bag, and then jet pulverized. The pesticidal composition was obtained by grinding with a machine.
[0014]
Comparative Example 3
In the formulation of Example 3, a mixture of 10 g of calcined diatomaceous earth instead of 10 g of sorbitan monostearate adsorbed to silicon dioxide at 50% (w / w) was mixed with a vinyl bag, and then jet pulverized. The pesticidal composition was obtained by grinding with a machine.
[0015]
【The invention's effect】
Test Example 1 Suspension Stability Test Suspension stability against water (3 degree hard water) and oil [Nisseki Agricultural Oil (Nippon Petrochemical Co., Ltd.)] for the agricultural chemical compositions of Examples 1-3 and Comparative Examples 1-3 I saw sex.
<Suspension stability test for water (3 degree hard water)>
Add 100 ml of hard water three times to a 100 ml settling tube, add about 100 mg (1000 times) of the sample to the sample, and after all the sample has settled, attach a rubber stopper and invert it 30 times / min. Table 1 shows the results of observing the suspension stability (presence / absence of aggregation) 30 minutes, 3 hours, 5 hours, and 24 hours after standing.
[0016]
[Table 1]
Figure 0003739804
[0017]
<Suspension stability test for oil (Nisseki Agricultural Oil)>
About 0.7 g of sample is put into a 10 ml beaker, and about 0.5 ml of Nisseki Agricultural Oil is added to the beaker and kneaded well. Put 20 ml of Nisseki Agricultural Oil into a 20 ml settling tube with a stopper, add the sample previously kneaded with Nisseki Agricultural Oil, attach the stopper and invert 30 times / min. Table 2 shows the results of observation of the suspension stability (presence / absence of aggregation) 30 minutes, 3 hours, 5 hours, and 24 hours after standing.
[0018]
[Table 2]
Figure 0003739804
[0019]
The agricultural chemical composition produced according to the present invention is not only easily suspended in water and has good suspension, but also easily suspended in oil such as machine oil and has good suspension as well as water. The utility value in the field is great.

Claims (4)

HLB値が3〜8である多価アルコールの脂肪酸エステル、および下記界面活性剤から選ばれる少なくとも1種の界面活性剤を含有し、水および油に懸濁させて用いることのできる、農薬水和剤組成物。
界面活性剤:リグニンスルホン酸の金属塩、アルキルアリルスルホン酸の金属塩またはアンモニウム塩、アルキルスルホン酸の金属塩またはアンモニウム塩、ジアルキルスルホコハク酸の金属塩、ポリオキシエチレン(POE)アルキルエーテル、POEアルキルエステル、POEアルキルアリルエーテル、POEヒマシ油エーテル、POEソルビタンエーテル、POEアルキルフェニルエーテルホルマリン縮合物
Agrochemical hydration containing a fatty acid ester of a polyhydric alcohol having an HLB value of 3 to 8 , and at least one surfactant selected from the following surfactants, which can be suspended in water and oil. Agent composition.
Surfactant: metal salt of lignin sulfonic acid, metal salt or alkyl salt of alkylallyl sulfonic acid, metal salt or ammonium salt of alkyl sulfonic acid, metal salt of dialkyl sulfosuccinic acid, polyoxyethylene (POE) alkyl ether, POE alkyl Ester, POE alkyl allyl ether, POE castor oil ether, POE sorbitan ether, POE alkyl phenyl ether formalin condensate
HLB値が3〜8である多価アルコールの脂肪酸エステルを2〜30%、その他の界面活性剤を2〜30%含有する請求項1記載の農薬水和剤組成物。The agrochemical wettable powder composition according to claim 1, comprising 2 to 30% of a fatty acid ester of a polyhydric alcohol having an HLB value of 3 to 8, and 2 to 30% of another surfactant. 多価アルコールが、ソルビタンもしくはグリセリンである請求項The polyhydric alcohol is sorbitan or glycerin. 11 または2に記載の農薬水和剤組成物。Or the agricultural chemical wettable powder composition of 2. 界面活性剤が、POEが付加したアルキルフェニルエーテルホルマリン縮合物、POEアルキルエーテル、POEアルキルフェニルエーテルから選ばれる1種である請求項1乃至3のいずれかに記載の農薬水和剤組成物。The agrochemical wettable powder composition according to any one of claims 1 to 3, wherein the surfactant is one selected from alkyl phenyl ether formalin condensate to which POE is added, POE alkyl ether, and POE alkyl phenyl ether.
JP35036691A 1991-12-09 1991-12-09 Agrochemical composition Expired - Fee Related JP3739804B2 (en)

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JP35036691A JP3739804B2 (en) 1991-12-09 1991-12-09 Agrochemical composition

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JPH05155706A JPH05155706A (en) 1993-06-22
JP3739804B2 true JP3739804B2 (en) 2006-01-25

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DK0802727T3 (en) * 1995-01-09 2001-10-22 Johnson & Son Inc S C Liquid insect repellent
DE19613974A1 (en) * 1996-04-09 1997-10-16 Bayer Ag New insecticidal suspension concentrates
DK0936858T3 (en) * 1996-10-25 2003-07-07 Monsanto Technology Llc Compositions and methods for treating plants with exogenous chemicals
JP2009215185A (en) * 2008-03-07 2009-09-24 Sumika Enviro-Science Co Ltd Antibacterial composition

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