JPH0699253B2 - Insecticidal emulsion composition - Google Patents

Insecticidal emulsion composition

Info

Publication number
JPH0699253B2
JPH0699253B2 JP62073447A JP7344787A JPH0699253B2 JP H0699253 B2 JPH0699253 B2 JP H0699253B2 JP 62073447 A JP62073447 A JP 62073447A JP 7344787 A JP7344787 A JP 7344787A JP H0699253 B2 JPH0699253 B2 JP H0699253B2
Authority
JP
Japan
Prior art keywords
emulsion composition
present
ether
insecticide
weight ratio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP62073447A
Other languages
Japanese (ja)
Other versions
JPS63239204A (en
Inventor
徹治 岩崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kao Corp
Original Assignee
Kao Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kao Corp filed Critical Kao Corp
Priority to JP62073447A priority Critical patent/JPH0699253B2/en
Publication of JPS63239204A publication Critical patent/JPS63239204A/en
Publication of JPH0699253B2 publication Critical patent/JPH0699253B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は殺虫乳剤組成物に関し、更に詳しくは薬剤のク
チクラ浸透性が高く、薬効の優れた殺虫乳剤組成物に関
する。
TECHNICAL FIELD The present invention relates to an insecticidal emulsion composition, and more specifically to an insecticidal emulsion composition having a high cuticle penetration of a drug and excellent drug efficacy.

〔従来の技術及びその問題点〕[Conventional technology and its problems]

殺虫剤、特に有機リン系殺虫剤やカーバメート系殺虫剤
は水に不溶であるため、キシレン等の有機溶媒に溶解
し、界面活性剤を用いて水に乳化した乳剤として使用さ
れる。
Since insecticides, especially organophosphorus insecticides and carbamate insecticides, are insoluble in water, they are used as emulsions which are dissolved in an organic solvent such as xylene and emulsified in water with a surfactant.

その際原体の活性を十分にひき出すために、製剤物性上
種々の工夫がなされているが、殺虫剤の効力を更に増強
させるまでには到っていない。
At that time, various efforts have been made in terms of the physical properties of the preparation in order to sufficiently bring out the activity of the drug substance, but the efficacy of the insecticide has not yet been enhanced.

今日、殺虫剤の開発が一層困難な情況であるため、特に
既存殺生剤の活性を一層増強させることは大いに意味の
あることである。
Since the development of insecticides is more difficult today, it is of great significance to further enhance the activity of existing biocides.

〔問題点を解決するための手段〕 そこで本発明者らは有機リン系あるいはカーバメート系
殺虫剤乳剤組成物の効力を増強させるべく鋭意研究を行
った結果、特定の化合物を加えることにより乳化安定性
を害することなく殺虫効力を著しく増強せしめることを
見出し本発明を完成した。
[Means for Solving Problems] Therefore, the inventors of the present invention have conducted diligent research to enhance the potency of the organophosphorus or carbamate insecticide emulsion composition, and as a result, the emulsion stability was improved by adding a specific compound. The present invention has been completed by finding that the insecticidal effect can be remarkably enhanced without damaging the insecticide.

即ち、本発明は、(a)有機リン系あるいはカーバメー
ト系殺虫剤、および(b)下記一般式(1)で表され且
つHLBが8〜12の範囲内である非イオン性界面活性剤
を、重量比で(a)/(b)=1/0.4〜1/4の割合で含有
することを特徴とする殺虫乳剤組成物を提供するもので
ある。
That is, the present invention comprises (a) an organophosphorus or carbamate insecticide, and (b) a nonionic surfactant represented by the following general formula (1) and having an HLB in the range of 8 to 12, The insecticidal emulsion composition is characterized by containing (a) / (b) = 1 / 0.4 to 1/4 in a weight ratio.

ROAnOH …(1) 〔式中、Rは炭素数8〜20のアルキル基、アルケニル
基、アシル基あるいは炭素数4〜12のアルキル基を有す
るアルキルフェニル基であり、(OA)nはオキシエチレン
鎖又はオキシエチレン・オキシプロピレン鎖を表し、n
は3〜15である。〕 本発明に係る有機リン系あるいはカーバメート系殺虫剤
としては、カヤエース(パラ−ジメチルスルファミルフ
ェニルジエチルホスホロチオネート)、ガードサイド
{2−クロル−1−(2,4,5−トリクロルフェニル)−
ビニルジメチルフォスフェート}、オフナック{0,0−
ジエチル−0−(3−オキシ−2−フェニル−2H−ピリ
ダジン−6−イル)ホスホロチオネート}、ダーズバン
(0,0−ジエチル−3,5,6−トリクロロ−2−ピリジルホ
スホロチオネート)、ランガード{2−クロロ−1−
(2,4−ジクロロフェニル)ビニルジメチルホスフェー
ト}、サリチオン(2−メトキシ−4H−1,3,2−ベンゾ
ジオキサホスホリン−2−サルファイド)、エカチン
(ジメチル−S−エチルチオエチルジチオネート)、ジ
メトエート{ジメチル−S−(N−メチル−カーバモイ
ルメチル)ジチオホスフェート}、スミチオン{0,0−
ジメチル−0−(3−メチル−4−ニトロフェニル)チ
オホスフェート}などの有機リン系殺虫剤、 デナポン(1−ナフチル−メチルカーバメート)、ツマ
サイド(m−トリルメチルカーバメート)、マクバール
(3,5−キシリルメチルカーバメート)、ミプシン(0
−クメニルメチルカーバメート)、サンサイド(0−イ
ソプロポキシフェニルメチルカーバメート)、バッサ
(2−sec−ブチルフェニル−N−メチルカーバメー
ト)、などのカーバメート系殺虫剤を挙げることができ
る。
ROA n OH (1) [wherein, R is an alkyl group having 8 to 20 carbon atoms, an alkenyl group, an acyl group or an alkylphenyl group having an alkyl group having 4 to 12 carbon atoms, and (OA) n is oxy Represents an ethylene chain or an oxyethylene / oxypropylene chain, n
Is 3 to 15. Examples of the organophosphorus or carbamate insecticide according to the present invention include kayaace (para-dimethylsulfamylphenyldiethylphosphorothionate) and guardside {2-chloro-1- (2,4,5-trichlorophenyl). ) −
Vinyl dimethyl phosphate}, off-nack {0,0-
Diethyl-0- (3-oxy-2-phenyl-2H-pyridazin-6-yl) phosphorothionate}, Darsban (0,0-diethyl-3,5,6-trichloro-2-pyridylphosphorothionate ), Langard {2-chloro-1-
(2,4-dichlorophenyl) vinyldimethylphosphate}, salithione (2-methoxy-4H-1,3,2-benzodioxaphosphorin-2-sulfide), ecatine (dimethyl-S-ethylthioethyldithionate), Dimethoate {dimethyl-S- (N-methyl-carbamoylmethyl) dithiophosphate}, Sumithion {0,0-
Organophosphorus insecticides such as dimethyl-0- (3-methyl-4-nitrophenyl) thiophosphate}, denapone (1-naphthyl-methylcarbamate), tsumaside (m-tolylmethylcarbamate), macvar (3,5- Xylyl methyl carbamate), mipsin (0
-Cumenyl methyl carbamate), sunside (0-isopropoxyphenyl methyl carbamate), bassa (2-sec-butylphenyl-N-methyl carbamate), and other carbamate insecticides.

本発明においては、一般式(1)で表され、且つHLBが
8〜12の範囲内にある非イオン性界面活性剤を殺虫剤に
対し重量比で0.4〜4の割合で併用することが重要であ
る。HLBが上記範囲外であると本発明の効果が得られな
い。該当する化合物を例示すれば、POE(4モル)ラウ
リルエーテル、POE(6モル)オレイルエーテル、POE
(8モル)セチルエーテル、POE(2モル)POP(3モ
ル)ラウリルエーテル、POE(6モル)ノニルフェニル
エーテル、POE(8モル)オレオイルエーテル、POE(6
モル)ラウロイルエーテル等が挙げられる。この非イオ
ン性界面活性剤の使用量も殺虫剤に対し0.4未満(重量
比)では効果が著しく低く、4を超えると薬害の恐れが
あり好ましくない。特に好ましくは0.5〜4である。
In the present invention, it is important to use a nonionic surfactant represented by the general formula (1) and having an HLB in the range of 8 to 12 in a weight ratio of 0.4 to 4 with respect to the insecticide. Is. If the HLB is outside the above range, the effect of the present invention cannot be obtained. Examples of applicable compounds are POE (4 mol) lauryl ether, POE (6 mol) oleyl ether, POE
(8 mol) cetyl ether, POE (2 mol) POP (3 mol) lauryl ether, POE (6 mol) nonylphenyl ether, POE (8 mol) oleoyl ether, POE (6
Mol) lauroyl ether and the like. If the amount of the nonionic surfactant used is less than 0.4 (weight ratio) with respect to the insecticide, the effect is remarkably low, and if it exceeds 4, there is a risk of chemical damage, which is not preferable. It is particularly preferably 0.5 to 4.

本発明の乳剤組成物には、上記(a),(b)両成分の
ほか有機溶剤、乳化剤が配合される。
The emulsion composition of the present invention contains an organic solvent and an emulsifier in addition to the components (a) and (b).

有機溶剤としては、キシレン、ケロシン、イソホロン、
シクロヘキサノン、メチルエチルケトン、ブチルカルビ
トール、ブチルセロソルブ等が好ましい。
Organic solvents include xylene, kerosene, isophorone,
Cyclohexanone, methyl ethyl ketone, butyl carbitol, butyl cellosolve and the like are preferable.

乳化剤としては公知の非イオン性界面活性剤、陰イオン
性界面活性剤が使用でき、例えば、アルキルベンゼンス
ルホン酸塩、ポリオキシエチレンスチレン化フェノール
エーテル、ポリオキシアルキレントリベンジルフェノー
ルエーテル等が挙げられる。勿論、本発明の(b)成分
である非イオン性界面活性剤が乳化剤を兼ねることもで
きる。
As the emulsifier, known nonionic surfactants and anionic surfactants can be used, and examples thereof include alkylbenzene sulfonate, polyoxyethylene styrenated phenol ether, and polyoxyalkylene tribenzylphenol ether. Of course, the nonionic surfactant which is the component (b) of the present invention can also serve as an emulsifier.

本発明において、有機溶剤は、殺虫剤に対し0.8〜5倍
使用するのが好ましい。また、乳化剤は殺虫剤に対し通
常0.05〜0.5の割合(重量比)で使用される。
In the present invention, the organic solvent is preferably used in an amount of 0.8 to 5 times the insecticide. The emulsifier is usually used in a ratio (weight ratio) of 0.05 to 0.5 with respect to the insecticide.

本発明の乳剤組成物には必要に応じ、抗発泡剤、分解防
止剤などを添加することができる。
If necessary, an antifoaming agent, a decomposition inhibitor and the like can be added to the emulsion composition of the present invention.

以上のことをまとめ、本発明の殺虫乳剤組成物の一例を
示すと次の通りである。
Summarizing the above, an example of the insecticidal emulsion composition of the present invention is as follows.

(A)殺虫剤((a)成分) 10〜50重量% (B)効力増強剤((b)成分) 10〜50 〃 (C)有機溶剤 10〜40 〃 (D)乳化剤 0〜10 〃 (E)抗発泡剤 0〜2 〃 尚、本発明の乳剤組成物の調製において、各成分の添加
順序は限定されない。
(A) Insecticide ((a) component) 10 to 50% by weight (B) Potency enhancer ((b) component) 10 to 50〃 (C) Organic solvent 10 to 40〃 (D) Emulsifier 0 to 10〃 ( E) Antifoaming Agent 0 to 2 In addition, in the preparation of the emulsion composition of the present invention, the order of addition of each component is not limited.

〔作用〕[Action]

本発明の乳剤組成物が如何にして優れた生物効果を発現
するかのメカニズムについては必ずしも明確ではない
が、前記一般式(1)で表され且つHLB8〜12の範囲の非
イオン性界面活性剤を用いることにより可溶化力をアッ
プさせ、より微小な粒子径にするものと考えられる。
Although the mechanism of how the emulsion composition of the present invention exhibits an excellent biological effect is not always clear, a nonionic surfactant represented by the general formula (1) and having an HLB range of 8 to 12 is used. It is considered that the solubilizing power is increased and the particle size is made smaller by using.

〔発明の効果〕〔The invention's effect〕

本発明の殺虫乳剤組成物は殺虫剤単独の場合と比べ、著
しく高められた殺虫効果を示す。
The insecticidal emulsion composition of the present invention exhibits a remarkably enhanced insecticidal effect as compared with the case of using the insecticide alone.

〔実施例〕〔Example〕

次に本発明を殺生剤処方の実施例及び試験例を挙げて説
明するが、本発明はこれらに限定されない。
Next, the present invention will be described with reference to examples of biocide formulations and test examples, but the present invention is not limited thereto.

<殺生剤処方例1> スミチオン 40wt% キシレン 37 アルキルベンゼンスルホン酸カルシウム塩 3 ポリオキシエチレン(4.8)オレイルエーテル(HLB8.
9) 20 (a)/(b)の比率(重量比)=1/0.5 <殺生剤処方例2> ダーズバン 30wt% キシレン 38 アルキルベンゼンスルホン酸カルシウム塩 2 ポリオキシエチレン(6)ノニルフェニルエーテル(HL
B10.8) 30 (a)/(b)の比率(重量比)=1/1 <殺生剤処方例3> ツマサイド 30wt% イソホロン 13 キシレン 10 アルキルベンゼンスルホン酸カルシウム塩 2wt% ポリオキシエチレン(4)ラウリルエーテル(HLB9.8)
45 (a)/(b)の比率(重量比)=1/1.5 <殺生剤処方比較例1> スミチオン40 wt% キシレン 44 アルキルベンゼンスルホン酸カルシウム塩 2 ポリオキシエチレン(4.8)オレイルエーテル(HLB8.
9) 12 ポリオキシエチレン(8)スチレン化フェノールエーテ
ル 2 (a)/(b)の比率(重量比)=1/0.3 <殺生剤処方比較例2> ダーズバン 30wt% キシレン 38 アルキルベンゼンスルホン酸カルシウム塩 2 ポリオキシエチレン(12)ノニル(フェニルエーテル
(HLB14.8) 30 (a)/(b)の比率(重量比)=1/0 <殺生剤処方比較例3> ツマサイド 30wt% イソホロン 18 キシレン 30 アルキルベンゼンスルホン酸カルシウム塩 2 ポリオキシエチレン(4)ラウリルエーテル(HLB9.8)
10 ポリオキシエチレン(20)ノニルフェニルエーテル10
(a)/(b)の比率(重量比)=1/0.33 試験例1 ウンカの3令幼虫を培養し、1区10頭、3連制にてリー
フディピング法にて、上記殺生剤処方例1〜3及び殺生
剤処方比較例1〜3で得られた殺虫乳剤組成物の効力検
定を行った。殺虫率は24時間後の無処理区に対して求め
た。
<Biocide formulation example 1> Sumithion 40 wt% xylene 37 Alkylbenzenesulfonic acid calcium salt 3 Polyoxyethylene (4.8) oleyl ether (HLB8.
9) 20 (a) / (b) ratio (weight ratio) = 1 / 0.5 <Biocide formulation example 2> Darsvan 30 wt% xylene 38 Alkylbenzene sulfonic acid calcium salt 2 Polyoxyethylene (6) nonylphenyl ether (HL
B10.8) 30 (a) / (b) ratio (weight ratio) = 1/1 <Biocide formulation example 3> Tumaside 30 wt% Isophorone 13 Xylene 10 Alkylbenzenesulfonic acid calcium salt 2 wt% Polyoxyethylene (4) lauryl Ether (HLB9.8)
45 (a) / (b) ratio (weight ratio) = 1 / 1.5 <Biocidal formulation comparative example 1> Sumithion 40 wt% xylene 44 Alkylbenzenesulfonic acid calcium salt 2 Polyoxyethylene (4.8) oleyl ether (HLB8.
9) 12 Polyoxyethylene (8) styrenated phenol ether 2 Ratio (weight ratio) of (a) / (b) = 1 / 0.3 <Biocidal formulation comparative example 2> Dursban 30 wt% xylene 38 Alkylbenzene sulfonic acid calcium salt 2 Polyoxyethylene (12) nonyl (phenyl ether (HLB14.8) 30 (a) / (b) ratio (weight ratio) = 1/0 <Biocide formulation comparative example 3> Tsumaside 30wt% Isophorone 18 Xylene 30 Alkylbenzenesulfone Acid calcium salt 2 Polyoxyethylene (4) lauryl ether (HLB9.8)
10 Polyoxyethylene (20) nonyl phenyl ether 10
Ratio (weight ratio) of (a) / (b) = 1 / 0.33 Test Example 1 Third-instar larvae of planthopper were cultured and the above-mentioned biocide prescription was carried out by leaf dipping method with 10 heads per group and 3 connections. The insecticidal emulsion compositions obtained in Examples 1 to 3 and Comparative Examples 1 to 3 were tested for efficacy. The insecticidal rate was calculated for the untreated plot after 24 hours.

結果を第1表に示す。The results are shown in Table 1.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】(a)有機リン系あるいはカーバメート系
殺虫剤、および (b)下記一般式(1)で表され、且つHLBが8〜12の
範囲内である非イオン性界面活性剤を、重量比で(a)
/(b)=1/0.4〜1/4の割合で含有することを特徴とす
る殺虫乳剤組成物。 ROAnOH …(1) 〔式中、Rは炭素数8〜20のアルキル基、アルケニル
基、アシル基あるいは炭素数4〜12のアルキル基を有す
るアルキルフェニル基であり、(OA)nはオキシエチレン
鎖又はオキシエチレン・オキシプロピレン鎖を表し、n
は3〜15である。〕
1. An organic phosphorus or carbamate insecticide, and (b) a nonionic surfactant represented by the following general formula (1) and having an HLB within the range of 8 to 12, (A) by weight ratio
/ (B) = 1 / 0.4 to 1/4; ROA n OH (1) [wherein, R is an alkyl group having 8 to 20 carbon atoms, an alkenyl group, an acyl group or an alkylphenyl group having an alkyl group having 4 to 12 carbon atoms, and (OA) n is oxy Represents an ethylene chain or an oxyethylene / oxypropylene chain, n
Is 3 to 15. ]
JP62073447A 1987-03-27 1987-03-27 Insecticidal emulsion composition Expired - Lifetime JPH0699253B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62073447A JPH0699253B2 (en) 1987-03-27 1987-03-27 Insecticidal emulsion composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62073447A JPH0699253B2 (en) 1987-03-27 1987-03-27 Insecticidal emulsion composition

Publications (2)

Publication Number Publication Date
JPS63239204A JPS63239204A (en) 1988-10-05
JPH0699253B2 true JPH0699253B2 (en) 1994-12-07

Family

ID=13518483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62073447A Expired - Lifetime JPH0699253B2 (en) 1987-03-27 1987-03-27 Insecticidal emulsion composition

Country Status (1)

Country Link
JP (1) JPH0699253B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0355759A3 (en) * 1988-08-22 1991-09-04 BASF Aktiengesellschaft Plant-protecting agents
DE4319263A1 (en) 1992-07-03 1994-01-05 Schoenherr Joerg Plant treatment products
JP4083366B2 (en) * 2000-04-10 2008-04-30 花王株式会社 Agricultural spreading agent composition

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54140719A (en) * 1978-04-24 1979-11-01 Osaka City Insecticidal agent for harmful insect
JPS6041604A (en) * 1983-08-17 1985-03-05 Takemoto Oil & Fat Co Ltd Insecticide composition

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
西一郎他著「界面活性剤便覧」産業図書(昭41−12−20)P.321

Also Published As

Publication number Publication date
JPS63239204A (en) 1988-10-05

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