JP2005298416A - Agrochemical emulsion - Google Patents

Agrochemical emulsion Download PDF

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JP2005298416A
JP2005298416A JP2004117575A JP2004117575A JP2005298416A JP 2005298416 A JP2005298416 A JP 2005298416A JP 2004117575 A JP2004117575 A JP 2004117575A JP 2004117575 A JP2004117575 A JP 2004117575A JP 2005298416 A JP2005298416 A JP 2005298416A
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emulsion
pyriproxyfen
present
agrochemical
agrochemical emulsion
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JP4534562B2 (en
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Toshiro Otsubo
敏朗 大坪
Naomi Tsuda
尚己 津田
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Sumitomo Chemical Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an agrochemical emulsion containing pyriproxyfen as an active ingredient and having excellent emulsion stability, even when diluted with hard water containing calcium ion or magnesium ion in a large amount. <P>SOLUTION: This agrochemical emulsion comprises pyriproxyfen, a polyoxyethylenealkylphenyl ether, an alkylarylsulfonate, and an aromatic hydrocarbon. Also when the agrochemical emulsion is diluted with hard water, the diluted solution having excellent emulsion stability and an excellent stabilized emulsion state can be obtained without relating to the hardness of the water used for the dilution. <P>COPYRIGHT: (C)2006,JPO&NCIPI

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]

Figure 2005298416
を有害生物防除有効成分として含有する農薬乳剤が知られている(例えば、特許文献1、特許文献2参照)。
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]
Figure 2005298416
Agrochemical emulsions that contain as a pest control active ingredient are known (see, for example, Patent Document 1 and Patent Document 2).
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.

特開昭60−215671号公報JP-A-60-215671 特開平10−120502号公報JP-A-10-120502

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 an agrochemical 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、ポリオキシエチレンアルキルフェニルエーテルのうちHLBが特定範囲のもの、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 polyoxyethylene alkylphenyl ethers having a specific range of HLB and agrochemical emulsions containing alkylaryl sulfonates achieve 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12.0〜15.0であるポリオキシエチレンアルキルフェニルエーテル、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1〜15重量%、HLBが12.0〜15.0であるポリオキシエチレンアルキルフェニルエーテル5〜25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60〜90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12.0〜15.0であるポリオキシエチレンアルキルフェニルエーテル、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. ポリオキシエチレンアルキルフェニルエーテルが、ポリオキシエチレンノニルフェニルエーテルである1.〜3いずれか1項記載の農薬乳剤。
5. 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.〜4.いずれか1項記載の農薬乳剤。
That is, the present invention is as follows.
1. An agrochemical emulsion containing pyriproxyfen, polyoxyethylene alkylphenyl ether having an HLB of 12.0 to 15.0, an alkylaryl sulfonate, and an aromatic hydrocarbon.
2. 1 to 15% by weight of pyriproxyfen, 5 to 25% by weight of polyoxyethylene alkylphenyl ether having an HLB of 12.0 to 15.0, 1 to 10% by weight of alkylaryl sulfonate, and 60 to 60% of aromatic hydrocarbon Agrochemical emulsion containing 90% by weight.
3. 1. It consists essentially of pyriproxyfen, polyoxyethylene alkylphenyl ether having an HLB of 12.0 to 15.0, an alkylaryl sulfonate, and an aromatic hydrocarbon. The agrochemical emulsion as described.
4). 1. Polyoxyethylene alkyl phenyl ether is polyoxyethylene nonyl phenyl ether Agrochemical emulsion according to any one of -3.
5). 1. The alkyl aryl sulfonate is an alkyl benzene sulfonate ~ 4. 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12.0〜15.0であるポリオキシエチレンアルキルフェニルエーテル、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1〜15重量%、HLBが12.0〜15.0であるポリオキシエチレンアルキルフェニルエーテルが5〜25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60〜90重量%である。
The agrochemical emulsion of the present invention is an agrochemical emulsion containing pyriproxyfen, polyoxyethylene alkylphenyl ether having an HLB of 12.0 to 15.0, an alkylaryl sulfonate, and an aromatic hydrocarbon.
The proportion of each component constituting the agricultural chemical emulsion of the present invention is usually 1-15% by weight of pyriproxyfen, 5-25% by weight of polyoxyethylene alkylphenyl ether having an HLB of 12.0-15.0, and alkyl. The aryl sulfonate is 1 to 10% by weight, and the aromatic hydrocarbon is 60 to 90% 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1〜15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 1 to 15% by weight of pyriproxyfen.

本発明には、ポリオキシエチレンアルキルアリールエーテルのうち、HLBが12.0〜15.0であるものが用いられる。
本発明に用いられるポリオキシエチレンアルキルフェニルエーテルとしては、例えばポリオキシエチレンノニルフェニルエーテルが挙げられる。
本発明の農薬乳剤には、ポリオキシエチレンアルキルフェニルエーテルが通常5〜25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アルキルフェニルエーテルが5重量%以上含有されることが特に好ましい。
In the present invention, polyoxyethylene alkylaryl ethers having an HLB of 12.0 to 15.0 are used.
Examples of the polyoxyethylene alkylphenyl ether used in the present invention include polyoxyethylene nonylphenyl ether.
The agrochemical emulsion of the present invention usually contains 5 to 25% by weight of polyoxyethylene alkylphenyl ether.
In the agrochemical emulsion of the present invention, it is particularly preferable that 5% by weight or more of polyoxyethylene alkylphenyl ether is contained 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60〜90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 90% 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12.0〜15.0であるポリオキシエチレンアルキルフェニルエーテル、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12.0〜15.0であるポリオキシエチレンアルキルフェニルエーテル、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 consists essentially of pyriproxyfen, polyoxyethylene alkylphenyl ether having an HLB of 12.0 to 15.0, an alkylaryl sulfonate, and an aromatic hydrocarbon. Also good. That is, in the agrochemical emulsion of the present invention, pyriproxyfen, polyoxyethylene alkylphenyl ether having an HLB of 12.0 to 15.0, alkylaryl sulfonate, and auxiliary materials other than aromatic hydrocarbons, particularly expensive Even when diluted with water having a high hardness without using a secondary material, the effect of excellent emulsification stability can be obtained.

本発明の農薬乳剤は、例えばピリプロキシフェン、HLBが12.0〜15.0であるポリオキシエチレンアルキルフェニルエーテル、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 alkylphenyl ether having an HLB of 12.0 to 15.0, an alkylaryl sulfonate, and an aromatic hydrocarbon as necessary ( 80 ° C. or lower) 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, it is applied by diluting the agrochemical emulsion of the present invention with water about 10 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12.3のポリオキシエチレンノニルフェニルエーテル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 1
2.0 g of pyriproxyfen, 4.0 g of polyoxyethylene nonylphenyl ether having an HLB of 12.3, 1.0 g of calcium dodecylbenzenesulfonate, and 13.0 g of Solvesso 150 are mixed at room temperature to produce the agricultural chemical of the present invention. An emulsion was obtained.

製造例2
ピリプロキシフェン2.0g、HLBが12.3のポリオキシエチレンノニルフェニルエーテル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 2
2.0 g of pyriproxyfen, 1.2 g of polyoxyethylene nonylphenyl ether having an HLB of 12.3, 0.4 g of calcium dodecylbenzenesulfonate, and 16.4 g of Solvesso 150 are mixed at room temperature to produce the agricultural chemical of the present invention. An emulsion was obtained.

製造例3
ピリプロキシフェン2.0g、HLBが13のポリオキシエチレンノニルフェニルエーテル4.0g、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 13.6g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, 4.0 g of polyoxyethylene nonylphenyl ether having an HLB of 13, 0.4 g of calcium dodecylbenzenesulfonate, and 13.6 g of Solvesso 150 are mixed at room temperature to obtain the agrochemical emulsion of the present invention. Obtained.

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ノニルフェニルエーテル4.0g、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 13.6g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, 4.0 g of polyoxyethylene nonylphenyl ether having an HLB of 14, 0.4 g of calcium dodecylbenzenesulfonate and 13.6 g of Solvesso 150 are mixed at room temperature to obtain the agrochemical emulsion of the present invention. Obtained.

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ノニルフェニルエーテル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 5
The pesticide emulsion of the present invention was mixed by mixing 2.0 g of pyriproxyfen, 1.2 g of polyoxyethylene nonylphenyl ether having an HLB of 14, 1.0 g of calcium dodecylbenzenesulfonate, and 15.8 g of Solvesso 150 at room temperature. Obtained.

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ノニルフェニルエーテル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 6
A mixture of 2.0 g of pyriproxyfen, 2.4 g of polyoxyethylene nonylphenyl ether having an HLB of 13, 1.0 g of calcium dodecylbenzenesulfonate, and 14.6 g of Solvesso 150 at room temperature to prepare the agrochemical emulsion of the present invention. Obtained.

製造例7
ピリプロキシフェン2.0g、HLBが13のポリオキシエチレンノニルフェニルエーテル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 7
A mixture of 2.0 g of pyriproxyfen, 4.0 g of polyoxyethylene nonylphenyl ether with 13 HLB, 1.0 g of calcium dodecylbenzenesulfonate, and 13.0 g of Solvesso 150 is mixed at room temperature to obtain the agrochemical emulsion of the present invention. Obtained.

製造例8
ピリプロキシフェン2.0g、HLBが12.3のポリオキシエチレンノニルフェニルエーテル4.0g、ドデシルベンゼンスルホン酸カルシウム塩0.4g、及びキシレン13.6gを室温で混合して、本発明の農薬乳剤を得た。
Production Example 8
Agrochemical emulsion of the present invention is prepared by mixing 2.0 g of pyriproxyfen, 4.0 g of polyoxyethylene nonylphenyl ether having an HLB of 12.3, 0.4 g of calcium dodecylbenzenesulfonate and 13.6 g of xylene at room temperature. Got.

製造例9
ピリプロキシフェン2.0g、HLBが12.3のポリオキシエチレンノニルフェニルエーテル4.0g、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100 13.6g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, 4.0 g of polyoxyethylene nonylphenyl ether having an HLB of 12.3, 0.4 g of calcium dodecylbenzenesulfonate, and 13.6 g of Solvesso 100 are mixed at room temperature to produce the agricultural chemical of the present invention. An emulsion was obtained.

製造例10
ピリプロキシフェン2.0g、HLBが12.3のポリオキシエチレンノニルフェニルエーテル4.0g、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200 13.6g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 nonylphenyl ether having an HLB of 12.3, 0.4 g of calcium dodecylbenzenesulfonate, and 13.6 g of Solvesso 200 are mixed at room temperature to produce the agricultural chemical of the present invention. An emulsion was obtained.

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 agrochemical emulsion of the present invention can provide a stable emulsion in an emulsified state regardless of the hardness of the water to be diluted.

Claims (5)

ピリプロキシフェン、HLBが12.0〜15.0であるポリオキシエチレンアルキルフェニルエーテル、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。   An agrochemical emulsion containing pyriproxyfen, polyoxyethylene alkylphenyl ether having an HLB of 12.0 to 15.0, an alkylaryl sulfonate, and an aromatic hydrocarbon. ピリプロキシフェン1〜15重量%、HLBが12.0〜15.0であるポリオキシエチレンアルキルフェニルエーテル5〜25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60〜90重量%を含有する農薬乳剤。   1-15% by weight of pyriproxyfen, 5-25% by weight of polyoxyethylene alkylphenyl ether having an HLB of 12.0-15.0, 1-10% by weight of alkylaryl sulfonate, and 60-60% of aromatic hydrocarbon Agrochemical emulsion containing 90% by weight. 実質的にピリプロキシフェン、HLBが12.0〜15.0であるポリオキシエチレンアルキルフェニルエーテル、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請求項2記載の農薬乳剤。   The agrochemical emulsion according to claim 2, comprising substantially pyriproxyfen, polyoxyethylene alkylphenyl ether having an HLB of 12.0 to 15.0, an alkylaryl sulfonate, and an aromatic hydrocarbon. ポリオキシエチレンアルキルフェニルエーテルが、ポリオキシエチレンノニルフェニルエーテルである請求項1〜3いずれか1項記載の農薬乳剤。   The agrochemical emulsion according to any one of claims 1 to 3, wherein the polyoxyethylene alkylphenyl ether is polyoxyethylene nonylphenyl ether. 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請求項1〜4いずれか1項記載の農薬乳剤。
The agrochemical emulsion according to any one of claims 1 to 4, wherein the alkyl aryl sulfonate is an alkyl benzene sulfonate.
JP2004117575A 2004-04-13 2004-04-13 Agricultural emulsion Expired - Fee Related JP4534562B2 (en)

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Citations (4)

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JPS60215671A (en) * 1984-04-10 1985-10-29 Sumitomo Chem Co Ltd Nitrogen-containing heterocyclic compound, its preparation, and noxious life controlling agent containing said compound as active component
JPH10120502A (en) * 1996-10-22 1998-05-12 Sumitomo Chem Co Ltd Agrochemical composition
JPH10130104A (en) * 1996-11-01 1998-05-19 Sumitomo Chem Co Ltd Agrochemical emulsion
JPH10130103A (en) * 1996-11-01 1998-05-19 Sumitomo Chem Co Ltd Agrochemical composition

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Publication number Priority date Publication date Assignee Title
JPS60215671A (en) * 1984-04-10 1985-10-29 Sumitomo Chem Co Ltd Nitrogen-containing heterocyclic compound, its preparation, and noxious life controlling agent containing said compound as active component
JPH10120502A (en) * 1996-10-22 1998-05-12 Sumitomo Chem Co Ltd Agrochemical composition
JPH10130104A (en) * 1996-11-01 1998-05-19 Sumitomo Chem Co Ltd Agrochemical emulsion
JPH10130103A (en) * 1996-11-01 1998-05-19 Sumitomo Chem Co Ltd Agrochemical composition

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