JP4543752B2 - Agricultural emulsion - Google Patents
Agricultural emulsion Download PDFInfo
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- JP4543752B2 JP4543752B2 JP2004158827A JP2004158827A JP4543752B2 JP 4543752 B2 JP4543752 B2 JP 4543752B2 JP 2004158827 A JP2004158827 A JP 2004158827A JP 2004158827 A JP2004158827 A JP 2004158827A JP 4543752 B2 JP4543752 B2 JP 4543752B2
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- pyriproxyfen
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- 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
- A01N25/30—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 characterised by the surfactants
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- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
Description
本発明は農薬乳剤、詳しくはピリプロキシフェンを有効成分として含有する農薬乳剤に関する。 The present invention relates to an agrochemical emulsion, and more particularly to an agrochemical emulsion containing pyriproxyfen as an active ingredient.
ピリプロキシフェン［４−フェノキシフェニル （ＲＳ）−２−（２−ピリジルオキシ）プロピル エーテル；下式で示される化合物］
一方、硬水で希釈した場合にも乳化安定性が優れる農薬乳剤を得ることは困難な場合があることが知られている。
Pyriproxyfen [4-phenoxyphenyl (RS) -2- (2-pyridyloxy) propyl ether; compound represented by the following formula]
On the other hand, it is known that it may be difficult to obtain an agrochemical emulsion having excellent emulsification stability even when diluted with hard water.
本発明は、ピリプロキシフェンを有効成分として含有する農薬乳剤であって、カルシウムイオン又はマグネシウムイオンを多量に含む硬水で希釈した場合でも、乳化安定性に優れる農薬乳剤を提供することを目的とするものである。 An object of the present invention is to provide a pesticidal emulsion containing pyriproxyfen as an active ingredient, which is excellent in emulsion stability even when diluted with hard water containing a large amount of calcium ions or magnesium ions. Is.
本発明者等は、ピリプロキシフェンを有効成分として含有する農薬乳剤であって、硬水で希釈した場合でも乳化安定性に優れる農薬乳剤を提供するために種々検討した結果、芳香族炭化水素を溶剤とし、ＨＬＢが特定範囲のポリオキシエチレンヒマシ油、及びアルキルアリールスルホン酸塩を含有する農薬乳剤が目的を達することを見出し本発明を完成したものである。 The present inventors have made various studies to provide an agrochemical emulsion containing pyriproxyfen as an active ingredient and having excellent emulsification stability even when diluted with hard water. The present invention has been completed by finding that an agrochemical emulsion containing a polyoxyethylene castor oil having an HLB in a specific range and an alkylaryl sulfonate achieves the object.
即ち、本発明は以下のものである。
１．ピリプロキシフェン、ＨＬＢが１２．５〜１４．５であるポリオキシエチレンヒマシ油、アルキルアリールスルホン酸塩、及び芳香族炭化水素を含有する農薬乳剤。
２．ピリプロキシフェン５〜１５重量％、ＨＬＢが１２．５〜１４．５であるポリオキシエチレンヒマシ油５〜１５重量％、アルキルアリールスルホン酸塩１〜１０重量％、及び芳香族炭化水素６０〜８９重量％を含有する農薬乳剤。
３．実質的にピリプロキシフェン、ＨＬＢが１２．５〜１４．５であるポリオキシエチレンヒマシ油、アルキルアリールスルホン酸塩、及び芳香族炭化水素からなる２．記載の農薬乳剤。
４．アルキルアリールスルホン酸塩が、アルキルベンゼンスルホン酸塩である１．〜３．何れか１項記載の農薬乳剤。
That is, the present invention is as follows.
1. An agrochemical emulsion comprising pyriproxyfen, polyoxyethylene castor oil having an HLB of 12.5 to 14.5, an alkylaryl sulfonate, and an aromatic hydrocarbon.
2. 5-15% by weight of pyriproxyfen, 5-15% by weight of polyoxyethylene castor oil having an HLB of 12.5-14.5, 1-10% by weight of alkyl aryl sulfonate, and 60-89 aromatic hydrocarbons Agrochemical emulsion containing% by weight.
3. 1. consisting essentially of pyriproxyfen, polyoxyethylene castor oil having an HLB of 12.5 to 14.5, an alkylaryl sulfonate, and an aromatic hydrocarbon. The agrochemical emulsion as described.
4). 1. The alkyl aryl sulfonate is an alkyl benzene sulfonate ~ 3. The agrochemical emulsion according to any one of the above.
本発明の農薬乳剤は、硬水で希釈した場合にも乳化安定性に優れるものであり、希釈する水の硬度に関わらず安定した乳化状態の希釈液を得ることができる。 The agrochemical emulsion of the present invention has excellent emulsification stability even when diluted with hard water, and a stable diluted solution in an emulsified state can be obtained regardless of the hardness of the water to be diluted.
本発明の農薬乳剤は、ピリプロキシフェン、ＨＬＢが１２．５〜１４．５であるポリオキシエチレンヒマシ油、アルキルアリールスルホン酸塩、及び芳香族炭化水素を含有する農薬乳剤である。
本発明の農薬乳剤を構成する各成分の割合は、通常ピリプロキシフェンが５〜１５重量％、ＨＬＢが１２．５〜１４．５であるポリオキシエチレンヒマシ油が５〜１５重量％、アルキルアリールスルホン酸塩が１〜１０重量％、芳香族炭化水素が６０〜８９重量％である。
The agricultural chemical emulsion of the present invention is an agricultural chemical emulsion containing pyriproxyfen, polyoxyethylene castor oil having an HLB of 12.5 to 14.5, an alkylaryl sulfonate, and an aromatic hydrocarbon.
The proportion of each component constituting the agricultural chemical emulsion of the present invention is usually 5 to 15% by weight of pyriproxyfen, 5 to 15% by weight of polyoxyethylene castor oil with HLB of 12.5 to 14.5, alkylaryl The sulfonate is 1 to 10% by weight, and the aromatic hydrocarbon is 60 to 89% by weight.
本発明に用いられるピリプロキシフェンは、例えば特許文献１（特開昭６０−２１５６７１号公報）に記載された方法で製造することができる。本発明の農薬乳剤には上述の通り、ピリプロキシフェンが通常５〜１５重量％含有される。 The pyriproxyfen used in the present invention can be produced, for example, by the method described in Patent Document 1 (Japanese Patent Laid-Open No. 60-215671). As described above, the agrochemical emulsion of the present invention usually contains 5-15% by weight of pyriproxyfen.
本発明には、ＨＬＢが１２．５〜１４．５であるポリオキシエチレンヒマシ油が用いられる。
本発明の農薬乳剤には、ポリオキシエチレンヒマシ油が通常５〜１５重量％含有される。
本発明の農薬乳剤では、硬度が高い水（例えば１０００ｐｐｍ）での乳化安定性を得るために、ポリオキシエチレンヒマシ油が５重量％以上含有されることが特に好ましい。
In the present invention, polyoxyethylene castor oil having an HLB of 12.5 to 14.5 is used.
The agrochemical emulsion of the present invention usually contains 5 to 15% by weight of polyoxyethylene castor oil.
In the agrochemical emulsion of the present invention, it is particularly preferable that polyoxyethylene castor oil is contained in an amount of 5% by weight or more in order to obtain emulsion stability in water having high hardness (for example, 1000 ppm).
本発明に用いられるアルキルアリールスルホン酸塩のアルキル基は通常炭素数が８〜１５個のアルキル基である。また、アルキルアリールスルホン酸塩の塩としては、例えばナトリウム塩、カリウム塩等のアルカリ金属塩、カルシウム塩、マグネシウム塩等のアルカリ土類金属塩、及びアミン塩が挙げられる。
本発明に用いられるアルキルアリールスルホン酸塩としては、例えばアルキルベンゼンスルホン酸塩が挙げられ、具体的には例えばドデシルベンゼンスルホン酸ナトリウム塩、ドデシルベンゼンスルホン酸カルシウム塩が挙げられる。
本発明の農薬乳剤においては、アルキルアリールスルホン酸塩の量がピリプロキシフェン１重量部に対して、通常０．１〜１重量部の範囲内である。また、アルキルアリールスルホン酸塩は、本発明の農薬乳剤に通常１〜１０重量％含有される。
The alkyl group of the alkylaryl sulfonate used in the present invention is usually an alkyl group having 8 to 15 carbon atoms. Examples of the salt of alkylaryl sulfonate include alkali metal salts such as sodium salt and potassium salt, alkaline earth metal salts such as calcium salt and magnesium salt, and amine salt.
Examples of the alkyl aryl sulfonate used in the present invention include alkyl benzene sulfonate, and specific examples include sodium dodecyl benzene sulfonate and calcium dodecyl benzene sulfonate.
In the pesticidal emulsion of the present invention, the amount of alkylaryl sulfonate is usually in the range of 0.1 to 1 part by weight with respect to 1 part by weight of pyriproxyfen. The alkylaryl sulfonate is usually contained in the agricultural chemical emulsion of the present invention in an amount of 1 to 10% by weight.
本発明に用いられる芳香族炭化水素としては、例えばトルエン等のアルキルベンゼン、キシレン等のジアルキルベンゼン、メチルナフタレン等のアルキルナフタレン、ジメチルナフタレン等のジアルキルナフタレン、ジメチルモノイソプロピルナフタレン等のトリアルキルナフタレン、及びフェニルキシリルエタンが挙げられる。
本発明には、芳香族炭化水素として市販の溶剤をそのまま用いることもでき、そのような市販の溶剤としては、例えば、ハイゾールＳＡＳ−２９６（１−フェニル−１−キシリルエタンと１−フェニル−１−エチルフェニルエタンの混合物、日本石油株式会社の商品名）、カクタスソルベントＨＰ−ＭＮ（メチルナフタレン８０％、日鉱石油化学株式会社の商品名）、カクタスソルベントＨＰ−ＤＭＮ（ジメチルナフタレン８０％、日鉱石油化学株式会社の商品名）、カクタスソルベントＰ−１００（炭素数９〜１０のアルキルベンゼン、日鉱石油化学株式会社の商品名）、カクタスソルベントＰ−１５０（アルキルベンゼン、日鉱石油化学株式会社の商品名）、カクタスソルベントＰ−１８０（メチルナフタレンとジメチルナフタレンの混合物、日鉱石油化学株式会社の商品名）、カクタスソルベントＰ−２００（メチルナフタレンとジメチルナフタレンの混合物、日鉱石油化学株式会社の商品名）、カクタスソルベントＰ−２２０（メチルナフタレンとジメチルナフタレンの混合物、日鉱石油化学株式会社の商品名）、カクタスソルベントＰＡＤ−１（ジメチルモノイソプロピルナフタレン、日鉱石油化学株式会社の商品名）、ソルベッソ１００（芳香族炭化水素、エクソン化学株式会社の商品名）、ソルベッソ１５０（芳香族炭化水素、エクソン化学株式会社の商品名）、ソルベッソ２００（芳香族炭化水素、エクソン化学株式会社の商品名）、ＵＬＴＲＡ ＬＯＷ ＨＡＰＨＴＨＡＬＥＮＥ ＡＲＯＭＡＴＩＣ １５０（ＥｘｘｏｎＭｏｂｉｌ Ｃｈｅｍｉｃａｌ Ｃｏｍｐａｎｙ）、ＵＬＴＲＡ ＬＯＷ ＮＡＰＨＴＨＡＬＥＮＥ ＡＲＯＭＡＴＩＣ ２００（ＥｘｘｏｎＭｏｂｉｌ Ｃｈｅｍｉｃａｌ Ｃｏｍｐａｎｙ）、スワゾール１００（トルエン、丸善石油株式会社の商品名）、及びスワゾール２００（キシレン、丸善石油株式会社の商品名）が挙げられる。
芳香族炭化水素は、本発明の農薬乳剤に通常６０〜８９重量％含有される。
Examples of the aromatic hydrocarbon used in the present invention include alkylbenzene such as toluene, dialkylbenzene such as xylene, alkylnaphthalene such as methylnaphthalene, dialkylnaphthalene such as dimethylnaphthalene, trialkylnaphthalene such as dimethylmonoisopropylnaphthalene, and phenyl. Xylylethane.
In the present invention, a commercially available solvent can be used as it is as an aromatic hydrocarbon. Examples of such a commercially available solvent include Hysol SAS-296 (1-phenyl-1-xylylethane and 1-phenyl-1- Mixture of ethyl phenyl ethane, Nippon Oil Co., Ltd., Cactus Solvent HP-MN (Methylnaphthalene 80%, Nikko Petrochemical Co., Ltd.), Cactus Solvent HP-DMN (Dimethylnaphthalene 80%, Nikko Petrochemical) Cactus Solvent P-100 (alkylbenzene having 9 to 10 carbon atoms, trade name of Nikko Petrochemical Co., Ltd.), Cactus Solvent P-150 (alkylbenzene, trade name of Nikko Petrochemical Co., Ltd.), Cactus Solvent P-180 (Mixture of methylnaphthalene and dimethylnaphthalene Product, trade name of Nikko Petrochemical Co., Ltd.), cactus solvent P-200 (mixture of methylnaphthalene and dimethylnaphthalene, trade name of Nikko Petrochemical Co., Ltd.), cactus solvent P-220 (mixture of methylnaphthalene and dimethylnaphthalene), Product name of Nikko Petrochemical Co., Ltd.), Cactus Solvent PAD-1 (Dimethylmonoisopropylnaphthalene, product name of Nikko Petrochemical Co., Ltd.), Solvesso 100 (Product name of aromatic hydrocarbon, Exxon Chemical Co., Ltd.), Solvesso 150 (Aromatic hydrocarbon, trade name of Exxon Chemical Co., Ltd.), Solvesso 200 (Product name of aromatic hydrocarbon, Exxon Chemical Co., Ltd.), ULTRA LOW HAPHTHALENE AROMATIC 150 (ExxonMobil Chemical Company) , ULTRA LOW NAPHTHALENE AROMATIC 200 (ExxonMobil Chemical Company), Swasol 100 (toluene, Maruzen trade name Oil Corporation), and Swasol 200 (xylene, product name of Maruzen Petrochemical Co., Ltd.) and the like.
Aromatic hydrocarbons are usually contained in the agricultural chemical emulsion of the present invention in an amount of 60 to 89% by weight.
本発明の農薬乳剤は、実質的にピリプロキシフェン、ＨＬＢが１２．５〜１４．５であるポリオキシエチレンヒマシ油、アルキルアリールスルホン酸塩、及び芳香族炭化水素のみからなるものであってもよい。即ち、本発明の農薬乳剤では、ピリプロキシフェン、ＨＬＢが１２．５〜１４．５であるポリオキシエチレンヒマシ油、アルキルアリールスルホン酸塩、及び芳香族炭化水素以外の副資材、特に高価な副資材を使用することなく、硬度が高い水で希釈した場合にも乳化安定性が優れるという効果を奏することができるものである。 The agrochemical emulsion of the present invention may be substantially composed only of pyriproxyfen, polyoxyethylene castor oil having an HLB of 12.5 to 14.5, an alkylaryl sulfonate, and an aromatic hydrocarbon. Good. That is, in the agrochemical emulsion of the present invention, pyriproxyfen, polyoxyethylene castor oil having an HLB of 12.5 to 14.5, an alkylaryl sulfonate, and auxiliary materials other than aromatic hydrocarbons, particularly expensive auxiliary materials. Even when diluted with water having high hardness without using materials, the effect of excellent emulsification stability can be achieved.
本発明の農薬乳剤は、例えばピリプロキシフェン、ＨＬＢが１２．５〜１４．５であるポリオキシエチレンヒマシ油、アルキルアリールスルホン酸塩、及び芳香族炭化水素を必要に応じて加熱しながら（８０℃以下）均一になるまで攪拌することにより製造することができる。 The agrochemical emulsion of the present invention is prepared by heating, for example, pyriproxyfen, polyoxyethylene castor oil having an HLB of 12.5 to 14.5, an alkylaryl sulfonate, and an aromatic hydrocarbon as necessary (80 It can be produced by stirring until uniform.
本発明の農薬乳剤は、通常水で希釈して害虫又は害虫が生息する場所に施用される。即ち例えば、本発明の農薬乳剤を１０〜５０００倍程度、好ましくは１００〜５０００倍程度に水で希釈して、害虫が生息する植物及び／又は土壌に散布することにより施用される。また、１０〜１０００倍程度に水で希釈した本発明の農薬乳剤をヘリコプターで空中散布してもよい。
本発明の農薬乳剤の施用量は、ピリプロキシフェンの量として通常０．１〜１０００ｇ／１０ａ、好ましくは１〜１００ｇ／１０ａの割合である。
The agricultural chemical emulsion of the present invention is usually diluted with water and applied to a pest or a place where a pest lives. That is, for example, the pesticidal emulsion of the present invention is applied by diluting with water about 10 to 5000 times, preferably about 100 to 5000 times, and spraying it on plants and / or soil inhabiting pests. Moreover, you may spray the agrochemical emulsion of this invention diluted with water about 10 to 1000 times in the air with a helicopter.
The application amount of the agrochemical emulsion of the present invention is usually 0.1 to 1000 g / 10a, preferably 1 to 100 g / 10a as the amount of pyriproxyfen.
以下、製造例、試験例を挙げて本発明を更に詳しく説明するが、本発明はこれらの例に限定されるものではない。 Hereinafter, the present invention will be described in more detail with reference to production examples and test examples, but the present invention is not limited to these examples.
製造例１
ピリプロキシフェン２．０ｇ、ＨＬＢが１４のポリオキシエチレンヒマシ油２．４ｇ、ドデシルベンゼンスルホン酸カルシウム塩１．０ｇ、及びキシレン１４．６ｇを室温で混合して、本発明の農薬乳剤を得た。
Production Example 1
2.0 g of pyriproxyfen, 2.4 g of polyoxyethylene castor oil having an HLB of 14, 1.0 g of calcium dodecylbenzenesulfonate, and 14.6 g of xylene were mixed at room temperature to obtain the agrochemical emulsion of the present invention. .
製造例２
ピリプロキシフェン２．０ｇ、ＨＬＢが１４のポリオキシエチレンヒマシ油２．４ｇ、ドデシルベンゼンスルホン酸カルシウム塩１．０ｇ、及びソルベッソ１００ １４．６ｇを室温で混合して、本発明の農薬乳剤を得た。
Production Example 2
2.0 g of pyriproxyfen, 2.4 g of polyoxyethylene castor oil having an HLB of 14, 1.0 g of calcium dodecylbenzenesulfonate, and 14.6 g of Solvesso 100 are mixed at room temperature to obtain the agrochemical emulsion of the present invention. It was.
製造例３
ピリプロキシフェン２．０ｇ、ＨＬＢが１４のポリオキシエチレンヒマシ油２．４ｇ、ドデシルベンゼンスルホン酸カルシウム塩１．０ｇ、及びソルベッソ２００ １４．６ｇを室温で混合して、本発明の農薬乳剤を得た。
Production Example 3
2.0 g of pyriproxyfen, 2.4 g of polyoxyethylene castor oil having an HLB of 14, 1.0 g of calcium dodecylbenzenesulfonate, and 14.6 g of Solvesso 200 are mixed at room temperature to obtain the agrochemical emulsion of the present invention. It was.
製造例４
ピリプロキシフェン２．０ｇ、ＨＬＢが１４のポリオキシエチレンヒマシ油１．２ｇ、ドデシルベンゼンスルホン酸カルシウム塩０．４ｇ、及びソルベッソ１５０ １６．４ｇを室温で混合して、本発明の農薬乳剤を得た。
Production Example 4
2.0 g of pyriproxyfen, 1.2 g of polyoxyethylene castor oil having an HLB of 14, 0.4 g of calcium dodecylbenzenesulfonate, and 16.4 g of Solvesso 150 are mixed at room temperature to obtain the agrochemical emulsion of the present invention. It was.
製造例５
ピリプロキシフェン２．０ｇ、ＨＬＢが１４のポリオキシエチレンヒマシ油２．４ｇ、ドデシルベンゼンスルホン酸カルシウム塩０．４ｇ、及びソルベッソ１５０ １５．２ｇを室温で混合して、本発明の農薬乳剤を得た。
Production Example 5
2.0 g of pyriproxyfen, 2.4 g of polyoxyethylene castor oil having an HLB of 14, 0.4 g of calcium dodecylbenzenesulfonate, and 15.2 g of Solvesso 150 are mixed at room temperature to obtain the agrochemical emulsion of the present invention. It was.
製造例６
ピリプロキシフェン２．０ｇ、ＨＬＢが１３のポリオキシエチレンヒマシ油１．２ｇ、ドデシルベンゼンスルホン酸カルシウム塩１．０ｇ、及びソルベッソ１５０ １５．８ｇを室温で混合して、本発明の農薬乳剤を得た。
Production Example 6
2.0 g of pyriproxyfen, 1.2 g of polyoxyethylene castor oil with an HLB of 13, 1.0 g of calcium dodecylbenzenesulfonate and 15.8 g of Solvesso 150 are mixed at room temperature to obtain the agrochemical emulsion of the present invention. It was.
製造例７
ピリプロキシフェン２．０ｇ、ＨＬＢが１４のポリオキシエチレンヒマシ油１．２ｇ、ドデシルベンゼンスルホン酸カルシウム塩１．０ｇ、及びソルベッソ１５０ １５．８ｇを室温で混合して、本発明の農薬乳剤を得た。
Production Example 7
2.0 g of pyriproxyfen, 1.2 g of polyoxyethylene castor oil with an HLB of 14, 1.0 g of calcium dodecylbenzenesulfonate, and 15.8 g of Solvesso 150 are mixed at room temperature to obtain the agrochemical emulsion of the present invention. It was.
製造例８
ピリプロキシフェン２．０ｇ、ＨＬＢが１４のポリオキシエチレンヒマシ油２．４ｇ、ドデシルベンゼンスルホン酸カルシウム塩１．０ｇ、及びソルベッソ１５０ １４．６ｇを室温で混合して、本発明の農薬乳剤を得た。
Production Example 8
2.0 g of pyriproxyfen, 2.4 g of polyoxyethylene castor oil having an HLB of 14, 1.0 g of calcium dodecylbenzenesulfonate, and 14.6 g of Solvesso 150 are mixed at room temperature to obtain the agrochemical emulsion of the present invention. It was.
製造例９
ピリプロキシフェン２．０ｇ、ＨＬＢが１３のポリオキシエチレンヒマシ油２．４ｇ、ドデシルベンゼンスルホン酸カルシウム塩１．０ｇ、及びソルベッソ１５０ １４．６ｇを室温で混合して、本発明の農薬乳剤を得た。
Production Example 9
2.0 g of pyriproxyfen, 2.4 g of polyoxyethylene castor oil having an HLB of 13, 1.0 g of calcium dodecylbenzenesulfonate, and 14.6 g of Solvesso 150 are mixed at room temperature to obtain the agrochemical emulsion of the present invention. It was.
製造例１０
ピリプロキシフェン２．０ｇ、ＨＬＢが１４のポリオキシエチレンヒマシ油４．０ｇ、ドデシルベンゼンスルホン酸カルシウム塩１．０ｇ、及びソルベッソ１５０ １３．０ｇを室温で混合して、本発明の農薬乳剤を得た。
Production Example 10
2.0 g of pyriproxyfen, 4.0 g of polyoxyethylene castor oil having an HLB of 14, 1.0 g of calcium dodecylbenzenesulfonate, and 13.0 g of Solvesso 150 are mixed at room temperature to obtain the agrochemical emulsion of the present invention. It was.
次に、本発明の農薬乳剤の乳化安定性につき、試験例を示す。
試験例
塩化カルシウム３．０４ｇ及び塩化マグネシウム６水和物１．３９ｇを水に溶解し、全量を５００ｍｌとして試験用の硬水を調製した。
１００ｍｌの栓付きメスシリンダーに前記試験用の硬水９５ｍｌを入れ、２０℃の恒温水槽にしばらく放置し、水温を２０℃に調節した。次いで、上記製造例で得られた本発明の農薬乳剤５ｍｌを該メスシリンダーに加え、２秒間に１回の割合で３０回転倒させた後、再び２０℃の恒温水槽に１時間放置した。その後、メスシリンダー内の乳化液の状態を観察したところ、本発明の農薬乳剤１〜１０について、いずれも均一な乳化状態が保持されているか、クリーム状の分離が４容量％以下であった。
Next, a test example is shown about the emulsion stability of the agrochemical emulsion of this invention.
Test Example Hard water for testing was prepared by dissolving 3.04 g of calcium chloride and 1.39 g of magnesium chloride hexahydrate in water to make the total amount 500 ml.
95 ml of the test hard water was placed in a 100 ml stoppered graduated cylinder and left in a constant temperature water bath at 20 ° C. for a while to adjust the water temperature to 20 ° C. Next, 5 ml of the pesticidal emulsion of the present invention obtained in the above production example was added to the graduated cylinder, tilted 30 times at a rate of once every 2 seconds, and then left again in a constant temperature water bath at 20 ° C. for 1 hour. Thereafter, the state of the emulsified liquid in the graduated cylinder was observed. As for the agricultural chemical emulsions 1 to 10 of the present invention, a uniform emulsified state was maintained, or cream-like separation was 4% by volume or less.
本発明の農薬乳剤は、希釈する水の硬度によらず安定な乳化状態の希釈液を得ることができる。 The pesticidal emulsion of the present invention can obtain a stable emulsified diluted solution regardless of the hardness of the water to be diluted.
Claims (3)
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| JP2004158827A JP4543752B2 (en) | 2004-03-19 | 2004-05-28 | Agricultural emulsion |
| ZA2004/08238A ZA200408238B (en) | 2004-03-19 | 2004-10-12 | Pesticidal emulsifiable concentrate |
| ES200402540A ES2251875B1 (en) | 2004-03-19 | 2004-10-25 | EMULSIONABLE PESTICID CONCENTRATE. |
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| JP2004079802 | 2004-03-19 | ||
| JP2004158827A JP4543752B2 (en) | 2004-03-19 | 2004-05-28 | Agricultural emulsion |
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| JP4983014B2 (en) * | 2004-12-14 | 2012-07-25 | 住友化学株式会社 | Oil-in-water emulsion composition |
| JP5266638B2 (en) * | 2006-12-20 | 2013-08-21 | 住友化学株式会社 | Agricultural emulsion |
| WO2023135841A1 (en) * | 2022-01-13 | 2023-07-20 | 住友化学株式会社 | Liquid agrochemical composition |
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| JP3882236B2 (en) * | 1996-10-22 | 2007-02-14 | 住友化学株式会社 | Agrochemical composition |
| JPH10130104A (en) * | 1996-11-01 | 1998-05-19 | Sumitomo Chem Co Ltd | Agrochemical emulsion |
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| ES2251875A1 (en) | 2006-05-01 |
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