WO2012086617A1 - Stabilized liquid aqueous crop protection agent composition - Google Patents

Stabilized liquid aqueous crop protection agent composition Download PDF

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Publication number
WO2012086617A1
WO2012086617A1 PCT/JP2011/079433 JP2011079433W WO2012086617A1 WO 2012086617 A1 WO2012086617 A1 WO 2012086617A1 JP 2011079433 W JP2011079433 W JP 2011079433W WO 2012086617 A1 WO2012086617 A1 WO 2012086617A1
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Prior art keywords
composition
composition according
alkyl ether
polyoxyethylene alkyl
parts
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PCT/JP2011/079433
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French (fr)
Japanese (ja)
Inventor
智彦 奥田
光之 薮崎
滋 上野
Original Assignee
Ｍｅｉｊｉ Ｓｅｉｋａファルマ株式会社
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Priority to JP2012549815A priority Critical patent/JP6016639B2/en
Priority to KR1020137018736A priority patent/KR101927554B1/en
Priority to CN201180061102.9A priority patent/CN103269581B/en
Publication of WO2012086617A1 publication Critical patent/WO2012086617A1/en

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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
    • A01N25/02—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 containing liquids as carriers, diluents or solvents
    • 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
    • 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
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • 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
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
    • A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals

Definitions

  • the present invention is based on the priority claim of Japanese Patent Application: Japanese Patent Application No. 2010-283920 (filed on Dec. 21, 2010), the entire contents of which are incorporated herein by reference. Shall.
  • the present invention relates to biologically active crop protection formulations, particularly herbicidal compositions.
  • Water-soluble herbicidal ingredients used as non-selective foliar treatment agents are very useful as crop protection agents and are used in many agricultural situations.
  • surfactants have been utilized as adjuvants to increase the biological activity of herbicides.
  • a herbicide containing glufosinate as an active ingredient is polyoxyethylene C 12 -C 16 alkyl ether sulfate, which is glufosinate. It has been shown to increase the biological activity of.
  • Patent Document 2 JP 2009-525345 A discloses a preparation containing an alkylpolyglucoside for the purpose of improving the low-temperature stability of crop protection agents, particularly glufosinate preparations.
  • Patent Document 3 uses three components of glufosinate, polyoxyalkylene alkyl ether and sodium polyoxyethylene lauryl ether sulfate in combination to produce polyoxyethylene lauryl ether sulfate.
  • a composition containing 3.5% by weight of sodium and polyoxyalkylene alkyl ether in total is disclosed.
  • Patent Document 1 does not verify the effect of suppressing the occurrence of precipitation of polyoxyethylene alkyl ether at low temperatures.
  • Patent Document 2 alkylpolyglucoside and polyoxyethylene alkyl ether are completely different substances, and polyoxyethylene alkyl ether cannot be inferred from Japanese Patent Application Publication No. 2009-525345 (Patent Document 2).
  • Patent Document 3 a composition having a higher content of the above components has not been verified, and the stability of the physical properties of the preparation has not been verified.
  • an object of the present invention is to provide a water-soluble herbicide composition having low temperature stability that can maintain a continuous single phase without causing precipitation during low temperature storage.
  • the following composition is provided. That is, the following (a) to (d): (a) a water-soluble herbicide component, (b) polyoxyethylene alkyl ether sulfate, (c) an organic solvent, and (d) A liquid herbicidal composition comprising a polyoxyethylene alkyl ether and capable of maintaining a single phase continuous for at least 3 days at ⁇ 5 ° C. is provided. (Basic composition)
  • a water-soluble herbicide composition having low-temperature stability can be provided because a continuous single phase can be maintained without causing precipitation during low-temperature storage.
  • the basic composition is as shown in the first viewpoint.
  • the water-soluble herbicide component (a) include glufosinate and salts thereof, glufosinate-P and salts thereof, glyphosate and salts thereof, paraquat, and diquat.
  • Preferred herbicidal ingredients include glufosinate and salts thereof, glufosinate-P and salts thereof, glyphosate and salts thereof, paraquat, more preferred herbicidal ingredients include glufosinate and salts thereof, glufosinate-P and salts thereof, More preferred is glufosinate-P and a salt thereof.
  • Examples of the salt form in glufosinate, glufosinate-P, and glyphosate include ammonium salt, potassium salt, sodium salt, diethylamine salt, triethylamine salt, etc.
  • glufosinate is preferably ammonium salt
  • glufosinate-P is sodium salt or ammonium salt.
  • the content of the water-soluble herbicide component (a) may be blended so as to be 1 to 50 parts by weight, preferably 6 to 17 parts by weight in 100 parts by weight of the composition. .
  • polyoxyethylene alkyl ether sulfate (b) examples include sodium salts, ammonium salts, alkanolamine salts, and the like, and sodium salts are preferred.
  • the polyoxyethylene alkyl ether sulfate preferably has 8 to 16 alkyl carbon atoms, more preferably 12 to 16 carbon atoms, but is not limited thereto. Further, the number of added moles of polyoxyethylene here is not specified.
  • polyoxyethylene alkyl ether sulfate of (b) polyoxyethylene lauryl ether sulfate is preferable, and as the surfactant containing polyoxyethylene lauryl ether sulfate, for example, Sanol (registered trademark) LMT, SANNOL (registered trademark) NL-1430, SANNOL (registered trademark) TD-3130 (manufactured by Lion), Sinoline (registered trademark) SPE-1150, Sinoline (registered trademark) SPE-1250, Sinoline (registered trademark) SPE-1350 (Nippon Nippon Chemical Co., Ltd.), Emar (registered trademark) 270J (manufactured by Kao Corporation), Texapon (registered trademark) N-70, Texapon (registered trademark) N-70 EG, Texapon (registered trademark) ALES 3-70A (Made by Cognis) Typol (registered trademark) NLES 227, Taipol (registered
  • a polar solvent that dissolves in water at an arbitrary ratio is suitable, preferably propylene glycol monomethyl ether, isopropanol, 1-butanol, tetrahydrofurfuryl alcohol, dipropylene glycol, more preferably Propylene glycol monomethyl ether, or a mixture thereof.
  • the content may be blended in a proportion of 1 to 30 parts by weight, preferably 3 to 15 parts by weight, more preferably 5 to 15 parts by weight in 100 parts by weight of the composition.
  • the polyoxyethylene alkyl ether refers to those having 1 to 20 polyoxyethylene addition moles and 8 to 16 alkyl carbon atoms. Further, the content may be blended in a proportion of 0.1 to 20 parts by weight, preferably 2 to 10 parts by weight in 100 parts by weight of the composition.
  • composition of the present invention in which an adjuvant is blended is preferably a composition containing the antifoaming agent as (e) in addition to the composition containing (a) to (d).
  • antifoaming agents include silicone emulsions, silicone oils, modified silicone oils, acetylene diols, PO / EO block polymers, and fluorosurfactants.
  • composition of the present invention may further contain an adjuvant for pharmaceutical preparations, such as “Agricultural Chemical Formulation Guide”, 1997 (published by the Japan Plant Protection Association). Also good. (The disclosure of this document is incorporated herein by reference.)
  • dioctyl sulfosuccinate, alkyl sulfate, polyoxyethylene allyl ether, acetylene diol, PO / EO block polymer, etc. as wetting agents, polar solvents such as propylene glycol, ethylene glycol, glycerin, etc. as antifreeze agents
  • polar solvents such as propylene glycol, ethylene glycol, glycerin, etc.
  • the pH adjuster include phosphates.
  • the use amount of the composition according to the present invention can be appropriately changed according to the use environment, application time, and application method.
  • the amount of active ingredient per 10 ares is 1 to 3000 g, preferably 10 to 300 g. It is an amount like this.
  • the embodiment of the composition of the present invention may be a composition mixed with other water-soluble herbicide components in addition to the components listed above, and examples of other water-soluble herbicide components include bentazone ( bentazone), triclopyr, bispyribac-sodium, imazapyr, flupropanate, etc., preferably glufosinate or a salt thereof or glufosinate-P or a salt thereof,
  • bentazone bentazone
  • triclopyr bispyribac-sodium
  • imazapyr imazapyr
  • flupropanate etc.
  • glufosinate or a salt thereof preferably glufosinate or a salt thereof or glufosinate-P or a salt thereof
  • the composition which mixed the glyphosate or its salt, and / or paraquat is mentioned.
  • the water-soluble herbicidal composition according to the present invention is produced, for example, by mixing and stirring all the components (a), (b), (c), and (d), and adjusting to 100 parts by weight using water. it can.
  • Comparative Examples 1-11 A preparation containing water in place of the polyoxyethylene alkyl ether was produced from the compositions in Examples 1 to 11 and used as a comparative example. Each prepared preparation was placed in a vial and allowed to stand in a freezer at ⁇ 5 ° C. for 3 days, and then the presence or absence of precipitation was observed.
  • Examples 12-14 As a more specific composition, an antifoaming agent was added, and each preparation produced with the components and ratios shown in Table 5 below was placed in a vial and allowed to stand in a freezer at -5 ° C for 3 days. Observed.
  • Comparative Example 12 A preparation containing water in place of the polyoxyethylene alkyl ether was produced from the composition in Examples 12 to 14 and used as a comparative example. The prepared preparation was placed in a vial and allowed to stand in a freezer at ⁇ 5 ° C. for 3 days, and the presence or absence of precipitation was observed.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Provided is a water-soluble herbicidal composition having stability at low temperatures, which is capable of maintaining a continuous single phase without causing precipitation when stored at low temperatures. Specifically provided is a liquid herbicidal composition which is characterized by containing the following components (a)-(d): (a) a water-soluble herbicidal component; (b) a polyoxyethylene alkyl ether sulfate; (c) an organic solvent; and (d) a polyoxyethylene alkyl ether.

Description

安定化された液状の水性作物保護剤組成物Stabilized liquid aqueous crop protection agent composition
［関連出願の記載］
　本発明は、日本国特許出願：特願２０１０－２８３９２０号（２０１０年１２月２１日出願）の優先権主張に基づくものであり、同出願の全記載内容は引用をもって本書に組み込み記載されているものとする。
　本発明は、生物学的に活性のある農作物保護製剤、特に除草剤組成物に関する。 [Description of related applications]
The present invention is based on the priority claim of Japanese Patent Application: Japanese Patent Application No. 2010-283920 (filed on Dec. 21, 2010), the entire contents of which are incorporated herein by reference. Shall.
The present invention relates to biologically active crop protection formulations, particularly herbicidal compositions.
　非選択性茎葉処理剤として使用される水溶性除草剤成分は、農作物保護剤として非常に有用であり、多くの農業場面で使用されている。一般に、除草剤の生物活性を増大させるために、アジュバントとして界面活性剤が利用されてきた。この中で、グルホシネートを有効成分とする除草剤においては、特公平 ０１－２４７６５号公報（特許文献１）で示されているように、ポリオキシエチレンC12-C16アルキルエーテル硫酸塩が、グルホシネートの生物活性を増大させることが明らかになっている。 Water-soluble herbicidal ingredients used as non-selective foliar treatment agents are very useful as crop protection agents and are used in many agricultural situations. In general, surfactants have been utilized as adjuvants to increase the biological activity of herbicides. Among these, as shown in Japanese Patent Publication No. 01-24765 (Patent Document 1), a herbicide containing glufosinate as an active ingredient is polyoxyethylene C 12 -C 16 alkyl ether sulfate, which is glufosinate. It has been shown to increase the biological activity of.
　しかし、ポリオキシエチレンC12-C16アルキルエーテル硫酸塩を用いて製造した製剤では、低温での保存安定性が極端に低下し、沈殿を引き起こすことがあった。沈殿が発生すると、多様な製剤成分の濃度が均一でなくなることから、生物活性の低減を引き起こす可能性がある。従って低温保存した際にも沈殿の起こらない製剤が必要とされていた。 However, in the preparation produced using polyoxyethylene C 12 -C 16 alkyl ether sulfate, the storage stability at low temperature is extremely lowered, which may cause precipitation. When precipitation occurs, the concentration of various formulation components is not uniform, which can lead to reduced biological activity. Therefore, there has been a need for a preparation that does not precipitate even when stored at low temperatures.
　農作物保護剤、特にグルホシネート製剤の低温での安定性を向上させることを目的として特表２００９－５２５３４５号公報（特許文献２）にアルキルポリグルコシドを配合した製剤が開示されている。 JP 2009-525345 A (Patent Document 2) discloses a preparation containing an alkylpolyglucoside for the purpose of improving the low-temperature stability of crop protection agents, particularly glufosinate preparations.
　また、生物活性を増強する目的として特開２００６－１１７６５０号公報（特許文献３）ではグルホシネート、ポリオキシアルキレンアルキルエーテル、ポリオキシエチレンラウリルエーテル硫酸ナトリウムの３成分を併用し、ポリオキシエチレンラウリルエーテル硫酸ナトリウムとポリオキシアルキレンアルキルエーテルを総重量として３．５重量％含有する組成物が開示されている。 In addition, for the purpose of enhancing biological activity, Japanese Patent Application Laid-Open No. 2006-117650 (Patent Document 3) uses three components of glufosinate, polyoxyalkylene alkyl ether and sodium polyoxyethylene lauryl ether sulfate in combination to produce polyoxyethylene lauryl ether sulfate. A composition containing 3.5% by weight of sodium and polyoxyalkylene alkyl ether in total is disclosed.
特公平０１－２４７６５号公報Japanese Patent Publication No. 01-24765 特表２００９－５２５３４５号公報Special table 2009-525345 特開２００６－１１７６５０号公報JP 2006-117650 A
　なお、上記特許文献１、２及び３の全開示内容はその引用をもって本書に繰込み記載する。以下の分析は、本発明によって与えられたものである。
　特許文献１については、しかし、ポリオキシエチレンアルキルエーテルの低温での沈殿発生抑制効果については検証されていない。
　特許文献２については、しかし、アルキルポリグルコシドとポリオキシエチレンアルキルエーテルとは全く異なる物質であり、特表２００９－５２５３４５号公報（特許文献２）からポリオキシエチレンアルキルエーテルを類推することはできない。
　特許文献３については、しかし、上記成分の含有量がこれより多い組成物については検証されておらず、製剤物性面の安定性についても検証されていない。
　上記事情に鑑み、本発明は、低温保存時に沈殿を起こさずに連続した単一相を保つことのできる低温安定性を有する水溶性除草剤組成物を提供することを目的としている。 Note that the entire disclosure of Patent Documents 1, 2, and 3 is incorporated herein by reference. The following analysis is given by the present invention.
However, Patent Document 1 does not verify the effect of suppressing the occurrence of precipitation of polyoxyethylene alkyl ether at low temperatures.
As for Patent Document 2, however, alkylpolyglucoside and polyoxyethylene alkyl ether are completely different substances, and polyoxyethylene alkyl ether cannot be inferred from Japanese Patent Application Publication No. 2009-525345 (Patent Document 2).
With respect to Patent Document 3, however, a composition having a higher content of the above components has not been verified, and the stability of the physical properties of the preparation has not been verified.
In view of the above circumstances, an object of the present invention is to provide a water-soluble herbicide composition having low temperature stability that can maintain a continuous single phase without causing precipitation during low temperature storage.
　本発明の一視点において次の組成物が提供される。
即ち、次の(a)～(d)：
(a)水溶性除草剤成分、
(b)ポリオキシエチレンアルキルエーテル硫酸塩、
(c)有機溶媒および、
(d)ポリオキシエチレンアルキルエーテル
を含み、かつ、－５℃で少なくとも３日間連続した単一相を保つことの出来る液体除草剤組成物が提供される。（基本組成） In one aspect of the present invention, the following composition is provided.
That is, the following (a) to (d):
(a) a water-soluble herbicide component,
(b) polyoxyethylene alkyl ether sulfate,
(c) an organic solvent, and
(d) A liquid herbicidal composition comprising a polyoxyethylene alkyl ether and capable of maintaining a single phase continuous for at least 3 days at −5 ° C. is provided. (Basic composition)
　本発明により、低温保存時に沈殿を起こさずに連続した単一相を保つことができるので低温安定性を有する水溶性除草剤組成物を提供することができる。 According to the present invention, a water-soluble herbicide composition having low-temperature stability can be provided because a continuous single phase can be maintained without causing precipitation during low-temperature storage.
　本発明において、以下に示す形態が可能である。
　基本組成としては、第一の視点に示すとおりである。
　(a)の水溶性除草剤成分としては、グルホシネート及びその塩、グルホシネート-P及びその塩、グリホサート及びその塩、パラコート及び、ジクワット等が挙げられる。
好ましい除草剤成分としてはグルホシネート及びその塩、グルホシネート-P及びその塩、グリホサート及びその塩、パラコートが挙げられ、より好ましい除草剤成分としてはグルホシネート及びその塩、グルホシネート-P及びその塩が挙げられ、更に好ましくはグルホシネート-P及びその塩である。
　グルホシネート、グルホシネート-P、グリホサートにおける塩の形態としては、アンモニウム塩、カリウム塩、ナトリウム塩、ジエチルアミン塩、トリエチルアミン塩等が挙げられ、グルホシネートではアンモニウム塩が好ましく、グルホシネート-Pではナトリウム塩またはアンモニウム塩が好ましい。
　また、(a)の水溶性除草剤成分の含有量は該組成物１００重量部中に１～５０重量部の割合、好ましくは６～１７重量部の割合となるように配合されていればよい。 In the present invention, the following forms are possible.
The basic composition is as shown in the first viewpoint.
Examples of the water-soluble herbicide component (a) include glufosinate and salts thereof, glufosinate-P and salts thereof, glyphosate and salts thereof, paraquat, and diquat.
Preferred herbicidal ingredients include glufosinate and salts thereof, glufosinate-P and salts thereof, glyphosate and salts thereof, paraquat, more preferred herbicidal ingredients include glufosinate and salts thereof, glufosinate-P and salts thereof, More preferred is glufosinate-P and a salt thereof.
Examples of the salt form in glufosinate, glufosinate-P, and glyphosate include ammonium salt, potassium salt, sodium salt, diethylamine salt, triethylamine salt, etc., glufosinate is preferably ammonium salt, glufosinate-P is sodium salt or ammonium salt. preferable.
Further, the content of the water-soluble herbicide component (a) may be blended so as to be 1 to 50 parts by weight, preferably 6 to 17 parts by weight in 100 parts by weight of the composition. .
　(b)のポリオキシエチレンアルキルエーテル硫酸塩の形態としては、ナトリウム塩、アンモニウム塩、アルカノールアミン塩、等が挙げられ、ナトリウム塩が好ましい。
また、ポリオキシエチレンアルキルエーテル硫酸塩のアルキルの炭素数は８～１６のものが望ましく、また、炭素数１２～１６のものがより望ましいが、これに限定されなくてもよい。
　また、ここでのポリオキシエチレンの付加モル数については規定しない。
　(b)のポリオキシエチレンアルキルエーテル硫酸塩としては、ポリオキシエチレンラウリルエーテル硫酸塩が好ましく、ポリオキシエチレンラウリルエーテル硫酸塩が含まれている界面活性剤としては、例えばサンノール（登録商標）ＬＭＴ、サンノール（登録商標）ＮＬ－１４３０、サンノール（登録商標）ＴＤ－３１３０（以上ライオン社製）、シノリン（登録商標）ＳＰＥ－１１５０、シノリン（登録商標）ＳＰＥ－１２５０、シノリン（登録商標）ＳＰＥ－１３５０（以上新日本理化社製）、エマール（登録商標）２７０Ｊ（以上花王社製）、Ｔｅｘａｐｏｎ（登録商標） Ｎ－７０、Ｔｅｘａｐｏｎ （登録商標）Ｎ－７０ ＥＧ、Ｔｅｘａｐｏｎ （登録商標）ＡＬＥＳ ３－７０Ａ（以上Cognis社製）、タイポール（登録商標） ＮＬＥＳ－２２７、タイポール（登録商標） ＮＬＥＡ－２２７、タイポール（登録商標） ２２ＨＳ、ＡＯ－３Ｓ、タイポール（登録商標） ＤＢＥＴ－３３６、タイポール（登録商標） ＤＢＥＳ－３２７Ｎ（以上泰光油脂化学工業社製）等があげられ、ラウリル硫酸塩を混在物として含んでいても良い。
　(b)のポリオキシエチレンアルキルエーテル硫酸塩は、該組成物１００重量部中に５～５０重量部、好ましくは１０～３５重量部の割合となるように配合されていればよい。 Examples of the form of the polyoxyethylene alkyl ether sulfate (b) include sodium salts, ammonium salts, alkanolamine salts, and the like, and sodium salts are preferred.
In addition, the polyoxyethylene alkyl ether sulfate preferably has 8 to 16 alkyl carbon atoms, more preferably 12 to 16 carbon atoms, but is not limited thereto.
Further, the number of added moles of polyoxyethylene here is not specified.
As the polyoxyethylene alkyl ether sulfate of (b), polyoxyethylene lauryl ether sulfate is preferable, and as the surfactant containing polyoxyethylene lauryl ether sulfate, for example, Sanol (registered trademark) LMT, SANNOL (registered trademark) NL-1430, SANNOL (registered trademark) TD-3130 (manufactured by Lion), Sinoline (registered trademark) SPE-1150, Sinoline (registered trademark) SPE-1250, Sinoline (registered trademark) SPE-1350 (Nippon Nippon Chemical Co., Ltd.), Emar (registered trademark) 270J (manufactured by Kao Corporation), Texapon (registered trademark) N-70, Texapon (registered trademark) N-70 EG, Texapon (registered trademark) ALES 3-70A (Made by Cognis) Typol (registered trademark) NLES 227, Taipol (registered trademark) NLEA-227, Taipol (registered trademark) 22HS, AO-3S, Taipol (registered trademark) DBET-336, Taipol (registered trademark) DBES-327N Etc.) and may contain lauryl sulfate as a mixture.
The polyoxyethylene alkyl ether sulfate (b) may be blended in an amount of 5 to 50 parts by weight, preferably 10 to 35 parts by weight, in 100 parts by weight of the composition.
　(c)の有機溶媒としては、水に任意の割合で溶解する極性溶媒が適しており、好ましくはプロピレングリコールモノメチルエーテル、イソプロパノール、１－ブタノール、テトラヒドロフルフリルアルコール、ジプロピレングリコール、より好ましくは、プロピレングリコールモノメチルエーテルであり、それらの混合でも良い。また、含有量は該組成物１００重量部中に１～３０重量部の割合、好ましくは３～１５重量部の割合、より好ましくは５～１５重量部の割合で配合されていれば良い。 As the organic solvent (c), a polar solvent that dissolves in water at an arbitrary ratio is suitable, preferably propylene glycol monomethyl ether, isopropanol, 1-butanol, tetrahydrofurfuryl alcohol, dipropylene glycol, more preferably Propylene glycol monomethyl ether, or a mixture thereof. Further, the content may be blended in a proportion of 1 to 30 parts by weight, preferably 3 to 15 parts by weight, more preferably 5 to 15 parts by weight in 100 parts by weight of the composition.
　(d)のポリオキシエチレンアルキルエーテルとは、ポリオキシエチレン付加モル数が１～２０、アルキル炭素数は８～１６のものを指す。また、含有量は該組成物１００重量部中に０．１～２０重量部の割合、好ましくは２～１０重量部の割合で配合されていれば良い。 (D) The polyoxyethylene alkyl ether refers to those having 1 to 20 polyoxyethylene addition moles and 8 to 16 alkyl carbon atoms. Further, the content may be blended in a proportion of 0.1 to 20 parts by weight, preferably 2 to 10 parts by weight in 100 parts by weight of the composition.
　補助剤を配合した本発明の組成物として好ましくは、前記(a)～(d)を含む組成物にさらに(e)として消泡剤を含む組成物が挙げられる。消泡剤としては、シリコーンエマルション、シリコーンオイル、変性シリコーンオイル、アセチレンジオール、ＰＯ/ＥＯブロックポリマー、フッ素系界面活性剤などが挙げられる。 The composition of the present invention in which an adjuvant is blended is preferably a composition containing the antifoaming agent as (e) in addition to the composition containing (a) to (d). Examples of antifoaming agents include silicone emulsions, silicone oils, modified silicone oils, acetylene diols, PO / EO block polymers, and fluorosurfactants.
　本発明の組成物には必要に応じてさらに農薬上許容される製剤用補助剤、例えば「農薬製剤ガイド」、１９９７年（（社）日本植物防疫協会発行）に記載の補助剤を配合してもよい。（この文献の開示は、引用をもって本書に繰込む。） If necessary, the composition of the present invention may further contain an adjuvant for pharmaceutical preparations, such as “Agricultural Chemical Formulation Guide”, 1997 (published by the Japan Plant Protection Association). Also good. (The disclosure of this document is incorporated herein by reference.)
　製剤用補助剤としては、濡れ剤としてジオクチルスルホコハク酸塩、アルキル硫酸塩、ポリオキシエチレンアリルエーテル、アセチレンジオール、ＰＯ/ＥＯブロックポリマーなど、凍結防止剤としてプロピレングリコール、エチレングリコール、グリセリン等の極性溶媒、ｐＨ調整剤としてリン酸塩など、が挙げられる。 As adjuvants for preparation, dioctyl sulfosuccinate, alkyl sulfate, polyoxyethylene allyl ether, acetylene diol, PO / EO block polymer, etc. as wetting agents, polar solvents such as propylene glycol, ethylene glycol, glycerin, etc. as antifreeze agents Examples of the pH adjuster include phosphates.
　本発明による組成物の使用量は、その使用環境、施用時期、施用方法に応じて適宜変更可能であるが、通常は１０アール当たりの有効成分量が１～３０００ｇ、好ましくは１０～３００ｇとなるような量である。 The use amount of the composition according to the present invention can be appropriately changed according to the use environment, application time, and application method. Usually, the amount of active ingredient per 10 ares is 1 to 3000 g, preferably 10 to 300 g. It is an amount like this.
　本発明の組成物の態様としては、上記に挙げた成分の他、他の水溶性除草剤成分と混合した組成物であってもよく、他の水溶性除草剤成分の例としては、ベンタゾン(bentazone)、トリクロピル（triclopyr）、ビスピリバックナトリウム塩（bispyribac-sodium）、イマザピル（imazapyr）、フルプロパネート（flupropanate）等が挙げられ、好ましくはグルホシネート又はその塩若しくはグルホシネート-P又はその塩と、グリホサート又はその塩及び／又は、パラコートとを混合した組成物が挙げられる。 The embodiment of the composition of the present invention may be a composition mixed with other water-soluble herbicide components in addition to the components listed above, and examples of other water-soluble herbicide components include bentazone ( bentazone), triclopyr, bispyribac-sodium, imazapyr, flupropanate, etc., preferably glufosinate or a salt thereof or glufosinate-P or a salt thereof, The composition which mixed the glyphosate or its salt, and / or paraquat is mentioned.
　本発明に従った水溶性除草剤組成物は、例えば、前記成分(a)、(b)、(c)、(d)を全て混合撹拌し、水を用いて１００重量部に合わせることで製造できる。 The water-soluble herbicidal composition according to the present invention is produced, for example, by mixing and stirring all the components (a), (b), (c), and (d), and adjusting to 100 parts by weight using water. it can.
　以下に実施例を記載するが、本発明はこれらに限定されるものではない。
　実施例１～１１
　下表１および２に記載した成分および比率で配合することによって製造した各製剤をバイアルに入れ、－５℃のフリーザーに３日間静置した後に、沈殿の有無を観察した。 Examples are described below, but the present invention is not limited thereto.
Examples 1 to 11
Each preparation produced by blending with the components and ratios described in Tables 1 and 2 below was placed in a vial and allowed to stand in a freezer at −5 ° C. for 3 days, and then the presence or absence of precipitation was observed.
　比較例１～１１
　実施例１～１１中の組成物からポリオキシエチレンアルキルエーテルの替わりに水を配合した製剤を製造し、比較例とした。製造した各製剤をバイアルに入れ、－５℃のフリーザーに３日間静置した後に、沈殿の有無を観察した。 Comparative Examples 1-11
A preparation containing water in place of the polyoxyethylene alkyl ether was produced from the compositions in Examples 1 to 11 and used as a comparative example. Each prepared preparation was placed in a vial and allowed to stand in a freezer at −5 ° C. for 3 days, and then the presence or absence of precipitation was observed.
　この結果、実施例１～１１全ての場合において、沈殿が発生しなかったのに対し、ポリオキシエチレンアルキルエーテルの替わりに水を配合した比較例１～１１では全ての場合において沈殿が発生した。 As a result, precipitation did not occur in all cases of Examples 1 to 11, whereas precipitation occurred in all cases of Comparative Examples 1 to 11 in which water was added instead of polyoxyethylene alkyl ether.
　表１　　実施例１～６
Figure JPOXMLDOC01-appb-I000001
Table 1 Examples 1 to 6
Figure JPOXMLDOC01-appb-I000001
　　表２　　実施例７～１１
Figure JPOXMLDOC01-appb-I000002




Table 2 Examples 7 to 11
Figure JPOXMLDOC01-appb-I000002
　　表３　　比較例１～６
Figure JPOXMLDOC01-appb-I000003
Table 3 Comparative Examples 1-6
Figure JPOXMLDOC01-appb-I000003
　　表４　　比較例７～１１
Figure JPOXMLDOC01-appb-I000004
Table 4 Comparative Examples 7 to 11
Figure JPOXMLDOC01-appb-I000004
　実施例１２～１４
　より具体的な組成物として消泡剤を添加し、下表５に記載した成分及び比率で製造した各製剤をバイアルに入れ、－５℃のフリーザーに３日間静置した後に、沈殿の有無を観察した。 Examples 12-14
As a more specific composition, an antifoaming agent was added, and each preparation produced with the components and ratios shown in Table 5 below was placed in a vial and allowed to stand in a freezer at -5 ° C for 3 days. Observed.
　比較例１２
　実施例１２～１４中の組成物からポリオキシエチレンアルキルエーテルの替わりに水を配合した製剤を製造し、比較例とした。製造した製剤をバイアルに入れ、－５℃のフリーザーに３日間静置した後に、沈殿の有無を観察した。 Comparative Example 12
A preparation containing water in place of the polyoxyethylene alkyl ether was produced from the composition in Examples 12 to 14 and used as a comparative example. The prepared preparation was placed in a vial and allowed to stand in a freezer at −5 ° C. for 3 days, and the presence or absence of precipitation was observed.
　この結果、実施例１２～１４全ての場合において、沈殿が発生しなかったのに対し、ポリオキシエチレンアルキルエーテルの替わりに水を配合した比較例１２では沈殿が発生した。 As a result, in all of Examples 12 to 14, precipitation did not occur, whereas in Comparative Example 12 in which water was added instead of polyoxyethylene alkyl ether, precipitation occurred.
　　表５　　実施例１２～１４
Figure JPOXMLDOC01-appb-I000005


Table 5 Examples 12-14
Figure JPOXMLDOC01-appb-I000005
　　表６　　比較例１２
Figure JPOXMLDOC01-appb-I000006
Table 6 Comparative Example 12
Figure JPOXMLDOC01-appb-I000006
　なお、上記の特許文献の各開示を、本書に引用をもって繰り込むものとする。本発明の全開示（各請求項の各要素、各実施例の各要素等を含む）の枠内において、さらにその基本的技術思想に基づいて、実施例ないし実施例の変更・調整が可能である。また、本発明の請求の範囲の枠内において種々の開示要素の多様な組み合わせないし選択が可能である。すなわち、本発明は、請求の範囲を含む全開示、技術的思想にしたがって当業者であればなし得るであろう各種変形、修正を含むことは勿論である。 It should be noted that the disclosures of the above patent documents are incorporated herein by reference. Within the scope of the entire disclosure of the present invention (including each element of each claim, each element of each embodiment, etc.), the embodiment or the embodiment can be changed or adjusted based on the basic technical concept. is there. Various combinations and selections of various disclosed elements are possible within the scope of the claims of the present invention. That is, the present invention of course includes various variations and modifications that could be made by those skilled in the art according to the entire disclosure including the claims and the technical idea.
　本発明により、低温保存時に沈殿を起こさずに連続した単一相を保つことができる低温安定性を有する水溶性除草剤組成物を提供することができる。 According to the present invention, it is possible to provide a water-soluble herbicide composition having low-temperature stability that can maintain a continuous single phase without causing precipitation during low-temperature storage.

Claims (16)

  1. 　次の(a)～(d)：
    　(a)水溶性除草剤成分、
    　(b)ポリオキシエチレンアルキルエーテル硫酸塩、
    　(c)有機溶媒および、
    　(d)ポリオキシエチレンアルキルエーテル
    　を含み、かつ、－５℃で少なくとも３日間連続した単一相を保つことの出来る液体除草剤組成物。     Next (a)-(d):
    (a) a water-soluble herbicide component,
    (b) polyoxyethylene alkyl ether sulfate,
    (c) an organic solvent, and
    (d) A liquid herbicide composition comprising polyoxyethylene alkyl ether and capable of maintaining a single phase continuous for at least 3 days at −5 ° C.
  2. 　(a)の水溶性除草剤成分が、グルホシネート及びその塩、グルホシネート-P及びその塩、グリホサート及びその塩、パラコート及び、ジクワットからなる群より選択される１つ又は２以上の組み合わせである、請求項１に記載の組成物。 The water-soluble herbicidal component of (a) is one or a combination of two or more selected from the group consisting of glufosinate and salts thereof, glufosinate-P and salts thereof, glyphosate and salts thereof, paraquat and diquat. Item 2. The composition according to Item 1.
  3. 　(a)の水溶性除草剤成分が、グルホシネート及びその塩、及び、グルホシネート-P及びその塩からなる群より選択される１つ又は２以上の組み合わせである、請求項１に記載の組成物。 The composition according to claim 1, wherein the water-soluble herbicide component (a) is one or a combination of two or more selected from the group consisting of glufosinate and salts thereof and glufosinate-P and salts thereof.
  4. 　(a)の水溶性除草剤成分が、グルホシネート-P及びその塩からなる群より選択される１つ又は２以上の組み合わせである、請求項１に記載の組成物。 The composition according to claim 1, wherein the water-soluble herbicide component (a) is one or a combination of two or more selected from the group consisting of glufosinate-P and a salt thereof.
  5. 　(a)の水溶性除草剤成分が、組成物の総重量の１～５０重量部存在する、請求項1に記載の組成物。 The composition according to claim 1, wherein the water-soluble herbicide component (a) is present in an amount of 1 to 50 parts by weight based on the total weight of the composition.
  6. 　(a)の水溶性除草剤成分が、組成物の総重量の６～１７重量部存在する、請求項1に記載の組成物。 The composition according to claim 1, wherein the water-soluble herbicide component (a) is present in an amount of 6 to 17 parts by weight based on the total weight of the composition.
  7. （b）のポリオキシエチレンアルキルエーテル硫酸塩におけるアルキルの炭素数が８～１６である、請求項１に記載の組成物。 The composition according to claim 1, wherein the polyoxyethylene alkyl ether sulfate (b) has 8 to 16 carbon atoms in the alkyl.
  8. 　(b)のポリオキシエチレンアルキルエーテル硫酸塩が、組成物の総重量の５～５０重量部存在する、請求項１に記載の組成物。 The composition according to claim 1, wherein the polyoxyethylene alkyl ether sulfate (b) is present in an amount of 5 to 50 parts by weight of the total weight of the composition.
  9. 　(b)のポリオキシエチレンアルキルエーテル硫酸塩が、組成物の総重量の１０～３５重量部存在する、請求項1に記載の組成物。 2. The composition according to claim 1, wherein the polyoxyethylene alkyl ether sulfate (b) is present in an amount of 10 to 35 parts by weight based on the total weight of the composition.
  10. 　(c)の有機溶媒が、プロピレングリコールモノメチルエーテルである、請求項１に記載の組成物。 The composition according to claim 1, wherein the organic solvent (c) is propylene glycol monomethyl ether.
  11. 　(c)の有機溶媒が、組成物の総重量の１～３０重量部存在する、請求項１に記載の組成物。 The composition according to claim 1, wherein the organic solvent (c) is present in an amount of 1 to 30 parts by weight based on the total weight of the composition.
  12. 　(c)の有機溶媒が、組成物の総重量の５～１５重量部存在する、請求項１に記載の組成物。 The composition according to claim 1, wherein the organic solvent (c) is present in an amount of 5 to 15 parts by weight based on the total weight of the composition.
  13. 　(d)のポリオキシエチレンアルキルエーテルにおけるポリオキシエチレンの付加モル数が１～２０であり、アルキルの炭素数が８～１６である請求項１に記載の組成物。 The composition according to claim 1, wherein the number of added polyoxyethylene in the polyoxyethylene alkyl ether of (d) is 1 to 20, and the alkyl has 8 to 16 carbon atoms.
  14. 　(d)のポリオキシエチレンアルキルエーテルが、組成物の総重量の０．１～２０重量部存在する、請求項１に記載の組成物。 The composition according to claim 1, wherein the polyoxyethylene alkyl ether (d) is present in an amount of 0.1 to 20 parts by weight based on the total weight of the composition.
  15. 　(d)のポリオキシエチレンアルキルエーテルが、組成物の総重量の２～１０重量部存在する、請求項１に記載の組成物。 The composition according to claim 1, wherein the polyoxyethylene alkyl ether (d) is present in an amount of 2 to 10 parts by weight based on the total weight of the composition.
  16. 　(a)～(d)に加えて(e)消泡剤をさらに含む、請求項１に記載の組成物。 The composition according to claim 1, further comprising (e) an antifoaming agent in addition to (a) to (d).
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JPWO2012086617A1 (en) 2014-05-22
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