JP2969475B2 - Stable hydrated granular pesticide - Google Patents
Stable hydrated granular pesticideInfo
- Publication number
- JP2969475B2 JP2969475B2 JP32518690A JP32518690A JP2969475B2 JP 2969475 B2 JP2969475 B2 JP 2969475B2 JP 32518690 A JP32518690 A JP 32518690A JP 32518690 A JP32518690 A JP 32518690A JP 2969475 B2 JP2969475 B2 JP 2969475B2
- Authority
- JP
- Japan
- Prior art keywords
- compound
- granular pesticide
- hydrated granular
- present
- pesticide
- 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
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Description
【発明の詳細な説明】 1) 発明の目的 (1)産業上の利用分野 本発明は後記による農園芸用殺菌性化合物を含有して
なる水和顆粒状農薬の安定化技術を提供することに関す
る。DETAILED DESCRIPTION OF THE INVENTION 1) Object of the Invention (1) Field of Industrial Application The present invention relates to providing a technique for stabilizing a hydrated granular pesticide containing a fungicidal compound for agricultural and horticultural use as described below. .
(2)従来の技術 本発明で農薬有効性分として使用する次式 で表される化合物(以下化合物Aと示す)は「きゅう
り」のうどんこ病、「麦」のさび病、「ぶどう」の黒と
う病、「ナシ」の赤星病、黒星病、「かんきつ」のそう
か病などに対する殺菌剤として公知である(特開昭58−
65281号公報に記載)。(2) Prior art The following formula used as the pesticidally effective component in the present invention: (Hereinafter referred to as Compound A) are powdery mildew of "cucumber", rust of "wheat", black rot of "grape", red scab of "pear", black scab of "cucumber" It is known as a fungicide for scab (Japanese Patent Application Laid-Open No.
No. 65281).
一方、これまで微粉末の飛散が少なく、有機溶剤の持
つ引火性、毒性などの安全性に問題がなく、長期保存性
の優れた農薬製剤として水和顆粒状農薬の研究がなされ
ている。On the other hand, hydrated granular pesticides have been studied as pesticide preparations which have little scattering of fine powder, have no problem in safety such as flammability and toxicity of organic solvents, and have excellent long-term storage properties.
例えば、従来の水和剤に水溶性無機塩を配合して粒剤
としたもの(特公昭53−12577号公報)、糖類、ナフタ
レンスルホン酸系界面活性剤およびリン酸アルカリ金属
塩を配合して粒剤としたもの(特開昭57−163303号公
報)などがある。For example, a granule prepared by mixing a water-soluble inorganic salt with a conventional wettable powder (Japanese Patent Publication No. 53-12577), a sugar, a naphthalenesulfonic acid-based surfactant and an alkali metal phosphate are compounded. And granules (JP-A-57-163303).
(2)発明の構成 1) 発明が解決しようとする課題 本発明に用いる化合物Aは上記のごとき従来の技術で
製剤化すると化学的分解を受ける。化合物Aが製剤中で
分解すると単に生物効果が低減するだけではなく、作物
に対する薬害を助長したり、あるいは製剤の物理的性質
を著しく劣化させる原因となる。(2) Configuration of the Invention 1) Problems to be Solved by the Invention Compound A used in the present invention undergoes chemical degradation when formulated by the above-mentioned conventional techniques. Degradation of Compound A in the preparation not only reduces the biological effect, but also promotes phytotoxicity to the crop or causes significant deterioration in the physical properties of the preparation.
したがって、化合物Aを含有する水和顆粒状農薬を実
用化するには、製剤の貯蔵中の化合物Aの安定化をはか
らなければならない。Therefore, in order to put the hydrated granular pesticide containing Compound A into practical use, it is necessary to stabilize Compound A during storage of the preparation.
本発明はこのような要請に対応せんとするにある。 The present invention is to address such a need.
2) 課題を解決するための手段 本発明者らは、前記課題を解決すべく鋭意研究を重ね
た。その結果、農薬有効成分である化合物Aと界面活性
剤、無機塩基性物質および担体から水和顆粒状農薬製剤
となし、特にこの製剤の5倍希釈液のpHが6〜11(20
℃)となるに十分な量で無機塩基性物質を添加すること
によって、化合物Aが化学的に安定かつ生物効果におい
ても水和剤、乳剤に何ら劣らぬ優れた製剤であることを
見出し本発明を完成するに至った。2) Means for Solving the Problems The present inventors have conducted intensive studies to solve the problems. As a result, a hydrated granular pesticide formulation was prepared from compound A, which is an active ingredient of pesticide, a surfactant, an inorganic basic substance, and a carrier. In particular, the pH of a 5-fold diluted solution of this formulation was 6 to 11 (20 to 20).
The present invention has been found that by adding an inorganic basic substance in an amount sufficient to obtain a compound A, the compound A is a chemically stable and biologically effective preparation which is not inferior to a wettable powder or an emulsion. Was completed.
3) 作用 本発明の化合物Aは作物病害に防除活性を有し、農薬
有効成分として作用し、界面活性剤は水和顆粒状農薬を
水で希釈したときに化合物Aを分散させる作用を有する
ものである。塩基性物質は製剤のpHを制御するものであ
り、また、担体は化合物Aの製剤中の含有量の増減する
ために用いる。3) Action The compound A of the present invention has an activity of controlling crop diseases and acts as an active ingredient of a pesticide, and the surfactant has a function of dispersing the compound A when the hydrated granular pesticide is diluted with water. It is. The basic substance controls the pH of the preparation, and the carrier is used to increase or decrease the content of Compound A in the preparation.
本発明では水和顆粒状農薬を20℃における5倍水希釈
水のpHが6〜11の範囲になるように無機の塩基性物質の
添加量を調整して調製することにより、化合物Aの製剤
の貯蔵中での化学的分解を抑え安定化された水和顆粒状
農薬を得ることができる。In the present invention, a formulation of compound A is prepared by adjusting the amount of the inorganic basic substance to be added so that the pH of the 5-fold water dilution water at 20 ° C. falls within the range of 6 to 11 in the present invention. The chemical decomposition during storage of water can be suppressed to obtain a stabilized hydrated granular pesticide.
本発明の使用できる界面活性剤とは、アニオン性界面
活性剤、ノニオン性界面活性剤、カチオン性界面活性
剤、両性活面活性剤などであり、添加量は化合物Aの含
有率により異なるが1〜25重量%の範囲で用いればよ
く、効果と経済性から好ましくは5〜20重量%である。
ここでいうアニオン性界面活性剤とは、例えば、リグニ
ンスルホン酸塩、アルキルアリルスルホン酸塩、アルキ
ルスルホサクシネート、ポリオキシエチレンアルキルア
リルフォスフェート、ポリオキシエチレンアルキルアリ
ルエーテルサルフェート、アルキルナフタレンスルホン
酸塩、ポリオキシエチレンスチリルフェニルエーテルサ
ルフェートなどがあり、ノニオン性界面活性剤として
は、例えば、ポリオキシエチレンアルキルアリルエーテ
ル、ポリオキシエチレンスチリルフェニルエーテル、ポ
リオキシエチレンアルキルエーテル、ポリオキシエチレ
ンアルキルエステル、ポリオキシエチレンソルビタンア
ルキレート、ポリオキシエチレンスチリルフェニルエー
テルポリマー、ポリオキシアルキレングリコールなどが
ある。カチオン性界面活性剤および両性界面活性剤とし
ては、アルキルアミン塩、第四級アンモニウム塩アルキ
ルベタイン、アミンオキサイドなどがあるが、これらに
限定されるものではなく、これらの単独または、二種以
上を併用しても何ら問題はない。Surfactants that can be used in the present invention include anionic surfactants, nonionic surfactants, cationic surfactants, amphoteric surfactants, and the like. It may be used in the range of 25 to 25% by weight, and preferably 5 to 20% by weight from the viewpoint of effect and economy.
The anionic surfactant referred to here includes, for example, lignin sulfonate, alkyl allyl sulfonate, alkyl sulfosuccinate, polyoxyethylene alkyl allyl phosphate, polyoxyethylene alkyl allyl ether sulfate, alkyl naphthalene sulfonate , Polyoxyethylene styryl phenyl ether sulfate and the like, and nonionic surfactants include, for example, polyoxyethylene alkyl allyl ether, polyoxyethylene styryl phenyl ether, polyoxyethylene alkyl ether, polyoxyethylene alkyl ester, polyoxyethylene Examples include ethylene sorbitan alkylate, polyoxyethylene styryl phenyl ether polymer, and polyoxyalkylene glycol. Examples of the cationic surfactant and the amphoteric surfactant include an alkylamine salt, a quaternary ammonium salt alkylbetaine, an amine oxide, and the like, but are not limited thereto, and these may be used alone or in combination of two or more. There is no problem if used together.
本発明の無機塩基性物質とは、例えば水酸化ナトリウ
ム、水酸化カリウム、炭酸ナトリウム、重炭酸ナトリウ
ム、炭酸カリウム、炭酸カルシウム、炭酸マグネシウ
ム、ホワイトカーボンなどが挙げられ、これら塩基性物
質の一種または二種以上を配合して使用すればよい。そ
してこの添加量は製剤の5倍希釈液(20℃)のpHが6〜
11となるに十分な量であればよく、概ね0.01〜25重量%
の範囲で使用すればよい。The inorganic basic substance of the present invention includes, for example, sodium hydroxide, potassium hydroxide, sodium carbonate, sodium bicarbonate, potassium carbonate, calcium carbonate, magnesium carbonate, white carbon, and the like. More than one kind may be used in combination. And the amount of this addition is the pH of the 5-fold diluted solution (20 ° C)
It is sufficient if the amount is 11 and generally 0.01 to 25% by weight
It may be used within the range.
本発明の担体とは、農薬製剤に通常使用されているも
のであれば使用できる。例えば、クレー、セリサイト、
カオリナイト、ジークライト、タルク、炭酸カルシウ
ム、炭酸マグネシウム、珪藻土、珪石、パーライトなど
の鉱物質、ホワイトカーボンと称される微粉ケイ酸、硫
酸ナトリウム、硫酸アンモニウム、塩化カリウムなどの
水溶性無機塩類、ブドウ糖、乳糖、果糖、庶糖などの糖
類、酵素変性デキストリン、焙焼デキストリン酸分解デ
ンプン、酸化デンプン、α化デンプン、デンプン誘導体
などのデンプン類、尿素、チオ尿素などが挙げられる
が、これらに限定されるものではなく、担体の一種また
は二種以上を併用してもよい。The carrier of the present invention can be used as long as it is commonly used in agricultural chemical formulations. For example, clay, sericite,
Mineral substances such as kaolinite, ziglite, talc, calcium carbonate, magnesium carbonate, diatomaceous earth, silica, perlite, finely divided silica called white carbon, water-soluble inorganic salts such as sodium sulfate, ammonium sulfate, potassium chloride, glucose, Lactose, fructose, sugars such as sucrose, enzyme-modified dextrins, roasted dextrins, starches such as phosphatase-degraded starch, oxidized starch, pregelatinized starch, starch derivatives, urea, thiourea and the like, but are not limited thereto. Instead, one or two or more carriers may be used in combination.
また他の補助剤としては、例えば酸化防止剤、光分解
防止剤、加水分解防止剤、抑泡剤、崩壊拡展剤、吸油
剤、結合剤などが挙げられる。これら補助剤は一種また
は二種以上を配合して用いてもよい。Other auxiliary agents include, for example, antioxidants, photodegradation inhibitors, hydrolysis inhibitors, foam inhibitors, disintegration spreaders, oil absorbing agents, binders and the like. These adjuvants may be used alone or in combination of two or more.
実施例(調製法) 本発明の水和顆粒状農薬を調製するには、何に特別な
方法、装置を必要としない。Examples (Preparation method) No special method or device is required for preparing the hydrated granular pesticide of the present invention.
造粒法としては、押し出し造粒、転動造粒、流動層造
粒、破壊造粒、噴霧造粒などが挙げられ、また顆粒状農
薬の粒径および形状は農薬有効成分および希釈法によっ
て任意に変えることができ、特に限定されるものではな
い。Examples of the granulation method include extrusion granulation, tumbling granulation, fluidized bed granulation, destructive granulation, spray granulation, and the like, and the particle size and shape of the granular pesticide are optional depending on the pesticide active ingredient and the dilution method. And it is not particularly limited.
化合物Aは使用に先立って、ジエット−オーマイザー
(セイシン企業株式会社)などにより乾式粉砕するか、
ダイノミル(ウイリーエーバチョフェンエージー社
製)、サンドグライダー(アイメックス株式会社製)、
アトライター(三井三池製作所製)などにより湿式粉砕
し、平均粒子径0.1〜5μm程度に微粉砕して用いるこ
とが好ましい。Prior to use, compound A is dry-ground by a jet-omizer (Seishin Enterprise Co., Ltd.) or the like,
Dynomill (Willie Evacho Fen AG), Sand Glider (IMEX Co., Ltd.),
It is preferable to use wet pulverization with an attritor (manufactured by Mitsui Miike Seisakusho) or the like and finely pulverize it to an average particle diameter of about 0.1 to 5 μm.
発明の効果 本発明の水和顆粒状農薬を実施すると次のような作用
効果がもたらされる。すなわち、第1に、化合物Aの製
剤中での安定化がはかられる。第2に、農薬有効成分で
ある化合物Aの有する作物病害防除活性には何らの問題
もない。第3に、農薬物に散布しても薬害を与えない。
第4に、水和剤と異なり薬液調製時に粒立ちがないため
作業者に対する安全性が確保できるなどの特徴を有す。Effects of the Invention When the hydrated granular pesticide of the present invention is implemented, the following effects are obtained. That is, first, compound A is stabilized in the preparation. Second, there is no problem with the crop disease control activity of compound A, which is an active ingredient of agricultural chemicals. Third, spraying on pesticides does not cause harm.
Fourth, unlike wettable powders, there is no graininess at the time of preparing a chemical solution, so that safety for workers can be ensured.
次に本発明の実施例をあげるが、本発明はもちろんこ
れの例のみに限定されるものではない。なお、実施例中
の部は、すべて重量%で示す。Next, examples of the present invention will be described, but the present invention is not limited to these examples. In addition, all the parts in an Example are shown by weight%.
実施例 1 化合物A 10 部 POEノニルフェニルエーテル 2 部 リグニンスルホン酸ナトリウム塩 5 部 炭酸ナトリウム 0.4部 珪 石 82.6部 上記組成物を、粉砕混合し、水14部を加え、押し出し
造粒機にて造粒し、乾燥後篩別して10〜48メッシュの水
和顆粒状農薬を得る。Example 1 Compound A 10 parts POE nonylphenyl ether 2 parts Lignin sulfonic acid sodium salt 5 parts Sodium carbonate 0.4 part Silica 82.6 parts The above composition was pulverized and mixed, 14 parts of water was added, and the mixture was extruded and granulated. Granulated, dried and sieved to obtain a 10-48 mesh hydrated granular pesticide.
実施例 2 化合物A 40部 POEノニルフェニルエーテル 1部 β−ナフタレンスルホン酸ホルマリン縮合物 4部 炭酸カルシウム 5部 クレー 50部 上記組成物を粉砕混合し、水12部を加え転動造粒機に
て造粒し、乾燥篩別して10〜48メッシュの水和顆粒状農
薬を得る。Example 2 Compound A 40 parts POE nonylphenyl ether 1 part β-naphthalenesulfonic acid formalin condensate 4 parts Calcium carbonate 5 parts Clay 50 parts The above composition was pulverized and mixed, and 12 parts of water was added. Granulate and dry sieve to obtain 10-48 mesh hydrated granular pesticide.
本発明の有用性を証するために試験例を挙げる。 Test examples will be given to prove the usefulness of the present invention.
試験例1 pH測定試験 20℃の蒸留水80mlを100ml容三角フラスコにとり、実
施例に準じて調製した製剤の20gを加え密栓して1分間
ふりまぜたのち、5分間静置する。過することなくpH
メーター(F8AT型株式会社掘場製作所製)の電極を入れ
て水素イオン濃度を測定し、水素指数pHとして示した。
得られた結果は第1表に示す。Test Example 1 pH measurement test 80 ml of distilled water at 20 ° C. was placed in a 100 ml Erlenmeyer flask, 20 g of the preparation prepared according to the example was added, sealed, shaken for 1 minute, and allowed to stand for 5 minutes. PH without spending
The electrode of the meter (F8AT type, manufactured by Dari Seisakusho Co., Ltd.) was inserted, and the hydrogen ion concentration was measured.
The results obtained are shown in Table 1.
試験例2 化合物A安定性試験 実施例に準じて調製した製剤を50ml容量の密栓付ガラ
ス瓶に20g入れて、40℃の恒温機中に90日間保存したも
のおよび60℃の恒温機中に30日間保存したものについ
て、化合物Aの含量を液体クロマトグラムにより分析
し、初期含有量値に対する残存率(%)を求めた。Test Example 2 Stability test of compound A 20 g of the preparation prepared according to the example was put into a 50 ml-capacity glass bottle with a stopper and stored in a thermostat at 40 ° C for 90 days and in a thermostat at 60 ° C for 30 days. The stored product was analyzed for the content of Compound A by liquid chromatography, and the residual ratio (%) with respect to the initial content value was determined.
得られた結果は第1表に示す。 The results obtained are shown in Table 1.
フロントページの続き (56)参考文献 特開 昭61−151102(JP,A) 特開 昭60−51102(JP,A) 特開 昭52−143224(JP,A) 特開 昭57−4907(JP,A) 特開 昭63−72602(JP,A) (58)調査した分野(Int.Cl.6,DB名) A01N 43/653 A01N 25/14 A01N 25/30 A01N 25/22 Continuation of the front page (56) References JP-A-61-151102 (JP, A) JP-A-60-51102 (JP, A) JP-A-52-143224 (JP, A) JP-A-57-4907 (JP, A) , A) JP-A-63-72602 (JP, A) (58) Fields investigated (Int. Cl. 6 , DB name) A01N 43/653 A01N 25/14 A01N 25/30 A01N 25/22
Claims (1)
担体から水和顆粒状農薬製剤となし、この製剤の5倍希
釈液のpHが6〜11(20℃)となるに十分な量で無機塩基
性物質を添加してなることを特徴とする安定な水和顆粒
状農薬。1. Structural formula A hydrated granular pesticide formulation is prepared from the compound represented by the formula, a surfactant, an inorganic basic substance, and a carrier, and the pH of a five-fold diluted solution of the formulation is sufficient to be 6 to 11 (20 ° C). A stable hydrated granular pesticide characterized by adding an inorganic basic substance.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32518690A JP2969475B2 (en) | 1990-11-29 | 1990-11-29 | Stable hydrated granular pesticide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32518690A JP2969475B2 (en) | 1990-11-29 | 1990-11-29 | Stable hydrated granular pesticide |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04198106A JPH04198106A (en) | 1992-07-17 |
JP2969475B2 true JP2969475B2 (en) | 1999-11-02 |
Family
ID=18173971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP32518690A Expired - Lifetime JP2969475B2 (en) | 1990-11-29 | 1990-11-29 | Stable hydrated granular pesticide |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2969475B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100987591B1 (en) * | 2002-03-29 | 2010-10-12 | 구미아이 가가쿠 고교 가부시키가이샤 | Granular agriculturalchemical composition |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05339104A (en) * | 1992-06-04 | 1993-12-21 | Sumitomo Chem Co Ltd | Method for preparing diluted water-dispersible agent solution for treating seed |
JP4666756B2 (en) * | 2000-12-14 | 2011-04-06 | バイエルクロップサイエンス株式会社 | Granular wettable powder |
JP4073001B2 (en) * | 2002-03-27 | 2008-04-09 | クミアイ化学工業株式会社 | Granular wettable powder |
CN101890028A (en) | 2006-02-22 | 2010-11-24 | 卫材R&D管理有限公司 | Stabilized pharmaceutical composition |
-
1990
- 1990-11-29 JP JP32518690A patent/JP2969475B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100987591B1 (en) * | 2002-03-29 | 2010-10-12 | 구미아이 가가쿠 고교 가부시키가이샤 | Granular agriculturalchemical composition |
Also Published As
Publication number | Publication date |
---|---|
JPH04198106A (en) | 1992-07-17 |
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