JP2005132773A - Emulsifier for agricultural machine oil emulsion - Google Patents
Emulsifier for agricultural machine oil emulsion Download PDFInfo
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- JP2005132773A JP2005132773A JP2003370444A JP2003370444A JP2005132773A JP 2005132773 A JP2005132773 A JP 2005132773A JP 2003370444 A JP2003370444 A JP 2003370444A JP 2003370444 A JP2003370444 A JP 2003370444A JP 2005132773 A JP2005132773 A JP 2005132773A
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- machine oil
- emulsifier
- nonionic surfactant
- agricultural machine
- oil emulsion
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- 239000010721 machine oil Substances 0.000 title claims abstract description 39
- 239000000839 emulsion Substances 0.000 title claims abstract description 35
- 239000003995 emulsifying agent Substances 0.000 title claims abstract description 27
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 16
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 150000002148 esters Chemical class 0.000 claims abstract description 5
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 4
- 150000001412 amines Chemical class 0.000 claims abstract description 4
- -1 sorbitan fatty acid ester Chemical class 0.000 claims description 21
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 10
- 229930195729 fatty acid Natural products 0.000 claims description 10
- 239000000194 fatty acid Substances 0.000 claims description 10
- 150000005215 alkyl ethers Chemical class 0.000 claims description 4
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 3
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 3
- 239000000600 sorbitol Substances 0.000 claims description 3
- 150000003973 alkyl amines Chemical class 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- 238000011109 contamination Methods 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 6
- 238000004945 emulsification Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 3
- 230000001804 emulsifying effect Effects 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- 159000000007 calcium salts Chemical class 0.000 description 2
- 239000002917 insecticide Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 150000008054 sulfonate salts Chemical class 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
本発明は、農園芸分野において病害虫の駆除のために用いられる農業用マシン油乳剤、及び該乳剤の調製に用いられる乳化剤に関する。 The present invention relates to an agricultural machine oil emulsion used for controlling pests in the field of agriculture and horticulture, and an emulsifier used to prepare the emulsion.
従来、植物の病害虫の駆除に、マシン油に少量の乳化剤を添加したもの（以下、マシン油乳剤ともいう）が使用されている。マシン油乳剤は、天然系の殺虫剤でもあり、植物や環境への負荷が少ない点では好ましいものである。 Conventionally, a machine oil added with a small amount of an emulsifier (hereinafter also referred to as a machine oil emulsion) has been used to control plant pests. Machine oil emulsions are also natural insecticides and are preferred in that they have a low impact on plants and the environment.
マシン油乳剤に関する技術として、防除効果の向上を目的とした乳剤組成の改良（特許文献１）、貯蔵安定性の向上を目的とした乳化剤の改良（特許文献２）、薬害の低減や乳化、散布作業性の向上などを目的とした基油の改良（特許文献３）などが知られている。 Techniques related to machine oil emulsions: improvement of emulsion composition for the purpose of improving control effect (Patent Document 1), improvement of emulsifier for the purpose of improving storage stability (Patent Document 2), reduction of chemical damage, emulsification, and spreading Improvement of base oil for the purpose of improving workability (Patent Document 3) is known.
しかし、使用する乳化剤によってはマシン油乳剤の温度変化に対する安定性は十分ではなく、更なる改良が望まれる。また、通常、マシン油乳剤は５０〜４００倍に水で希釈されて植物に散布される。製造後の貯蔵又は開封後の保管時にマシン油乳剤側に水が混入すると、沈殿や分離が生じ、安定性（外観）、特に低温での安定性が著しく損なわれることがある。 However, depending on the emulsifier used, the machine oil emulsion is not sufficiently stable against changes in temperature, and further improvements are desired. Usually, machine oil emulsion is diluted with water 50 to 400 times and sprayed on plants. If water is mixed into the machine oil emulsion during storage after production or storage after opening, precipitation or separation may occur, and stability (appearance), particularly stability at low temperatures may be significantly impaired.
本発明の課題は、温度変化や水の混入に対する安定性に優れた農業用のマシン油乳剤及びこのような乳剤が得られる乳化剤を提供することである。 An object of the present invention is to provide an agricultural machine oil emulsion excellent in stability against temperature changes and water contamination and an emulsifier from which such an emulsion can be obtained.
本発明は、（Ａ）アルキルスルホン酸塩〔以下、（Ａ）成分という〕、（Ｂ）エステル系非イオン界面活性剤〔以下、（Ｂ）成分という〕、（Ｃ）エーテル系脂肪族非イオン界面活性剤〔以下、（Ｃ１）成分という〕及びアミン系非イオン界面活性剤〔以下、（Ｃ２）成分という〕から選ばれる非イオン界面活性剤〔以下、（Ｃ）成分という〕、並びに（Ｄ）水〔以下、（Ｄ）成分という〕１〜１０重量％を含有する農業用マシン油乳剤用乳化剤に関する。 The present invention includes (A) an alkyl sulfonate (hereinafter referred to as “component (A)”), (B) an ester-based nonionic surfactant (hereinafter referred to as “component (B)”), and (C) an ether-based aliphatic nonionic. A nonionic surfactant (hereinafter referred to as component (C)) selected from a surfactant (hereinafter referred to as component (C1)) and an amine-based nonionic surfactant (hereinafter referred to as component (C2)), and (D ) It relates to an emulsifier for agricultural machine oil emulsions containing 1 to 10% by weight of water (hereinafter referred to as component (D)).
また、本発明は、マシン油と、上記本発明の乳化剤１〜１０重量％とを含有する農業用マシン油乳剤に関する。 The present invention also relates to an agricultural machine oil emulsion containing machine oil and 1 to 10% by weight of the emulsifier of the present invention.
本発明の乳化剤によれば、温度変化や水の混入に対する安定性に優れた農業用のマシン油乳剤を得ることができる。 According to the emulsifier of the present invention, it is possible to obtain an agricultural machine oil emulsion excellent in stability against temperature change and water contamination.
＜（Ａ）成分＞
（Ａ）成分のアルキルスルホン酸塩は、陰イオン界面活性剤であり、農業用マシン油乳剤調製用の乳化剤に用いられる天然系、合成系の公知のものが使用できる。例えば、アルキル基の炭素数が１０〜１８のものや石油スルホネート塩を使用できる。塩はナトリウム塩、カリウム塩等のアルカリ金属塩、カルシウム塩、バリウム塩等のアルカリ土類金属塩、モノエタノールアミン、ジエタノールアミン、トリエタノールアミン等のアルカノールアミン塩、アンモニウム塩等が挙げられる。（Ａ）成分は、石油スルホネート塩、特にそのアルカリ土類金属塩、中でもカルシウム塩が好ましい。
<(A) component>
The alkyl sulfonate of component (A) is an anionic surfactant, and known natural and synthetic ones used as emulsifiers for preparing agricultural machine oil emulsions can be used. For example, an alkyl group having 10 to 18 carbon atoms or a petroleum sulfonate salt can be used. Examples of the salt include alkali metal salts such as sodium salt and potassium salt, alkaline earth metal salts such as calcium salt and barium salt, alkanolamine salts such as monoethanolamine, diethanolamine and triethanolamine, ammonium salts and the like. The component (A) is preferably a petroleum sulfonate salt, particularly an alkaline earth metal salt thereof, especially a calcium salt.
（Ａ）成分は、乳化性の点から、本発明の乳化剤中に１〜１０重量％、更に３〜７重量％含有されるのが好ましい。 The component (A) is preferably contained in the emulsifier of the present invention in an amount of 1 to 10% by weight, more preferably 3 to 7% by weight, from the viewpoint of emulsifying properties.
＜（Ｂ）成分＞
（Ｂ）成分としては、ソルビタン脂肪酸エステル、ポリオキシアルキレンソルビタン脂肪酸エステル及びポリオキシアルキレンソルビトール脂肪酸エステルから選ばれるエステル系非イオン界面活性剤が好ましい。脂肪酸は炭素数８〜３０、更に１２〜２０のものが好ましい。また、ポリオキシアルキレンは平均付加モル数１〜１００、更に５〜４０のものが好ましく、ポリオキシエチレン、特に平均付加モル数５〜４０のポリオキシエチレンが好ましい。これらにおいて、エステル化度は限定されない。（Ｂ）成分は、ソルビタン脂肪酸エステル、ポリオキシアルキレンソルビトール脂肪酸エステルが好ましく、ソルビタン脂肪酸モノエステルが特に好ましい。
<(B) component>
As the component (B), an ester-based nonionic surfactant selected from sorbitan fatty acid ester, polyoxyalkylene sorbitan fatty acid ester and polyoxyalkylene sorbitol fatty acid ester is preferable. The fatty acid preferably has 8 to 30 carbon atoms and more preferably 12 to 20 carbon atoms. In addition, polyoxyalkylene having an average addition mole number of 1 to 100, more preferably 5 to 40 is preferable, and polyoxyethylene, particularly polyoxyethylene having an average addition mole number of 5 to 40 is preferable. In these, the degree of esterification is not limited. The component (B) is preferably sorbitan fatty acid ester or polyoxyalkylene sorbitol fatty acid ester, particularly preferably sorbitan fatty acid monoester.
（Ｂ）成分は、グリフィンの計算式によるＨＬＢ値が１〜１８、更に２〜１０、特に２〜６のものが好ましい。 The component (B) preferably has an HLB value of 1 to 18, more preferably 2 to 10, particularly 2 to 6 based on the Griffin calculation formula.
（Ｂ）成分は、乳化性の点から、本発明の乳化剤中に２０〜５０重量％、更に３０〜４０重量％含有されるのが好ましい。 Component (B) is preferably contained in the emulsifier of the present invention in an amount of 20 to 50% by weight, more preferably 30 to 40% by weight, from the viewpoint of emulsifying properties.
＜（Ｃ）成分＞
（Ｃ１）成分としては、ポリオキシアルキレンアルキルエーテル、ポリオキシアルキレンアルケニルエーテル、ポリオキシアルキレンアルキルアルケニルエーテル等が挙げられる。中でも、ポリオキシアルキレンアルキルエーテル及びポリオキシアルキレンアルケニルエーテルが好ましく、特にポリオキシアルキレンアルキルエーテルが好ましい。
<(C) component>
Examples of the component (C1) include polyoxyalkylene alkyl ether, polyoxyalkylene alkenyl ether, polyoxyalkylene alkyl alkenyl ether and the like. Among these, polyoxyalkylene alkyl ether and polyoxyalkylene alkenyl ether are preferable, and polyoxyalkylene alkyl ether is particularly preferable.
また、（Ｃ２）成分としては、ポリオキシアルキレンアルキルアミンが挙げられる。 Examples of the component (C2) include polyoxyalkylene alkylamine.
（Ｃ１）、（Ｃ２）成分は、炭素数８〜３０のアルキル基又はアルケニル基を有するものが好ましい。アルキル基やアルケニル基は直鎖でも分岐鎖でもよく、炭素数８〜３０、更に８〜１８、特に１０〜１６が好ましい。また、ポリオキシアルキレンは平均付加モル数１〜３０、更に２〜１０のものが好ましく、ポリオキシエチレン、特に平均付加モル数２〜１０のポリオキシエチレンが好ましい。 The (C1) and (C2) components preferably have an alkyl group or alkenyl group having 8 to 30 carbon atoms. The alkyl group or alkenyl group may be linear or branched, and preferably has 8 to 30 carbon atoms, more preferably 8 to 18 carbon atoms, and particularly preferably 10 to 16 carbon atoms. In addition, polyoxyalkylene having an average added mole number of 1 to 30, more preferably 2 to 10, is preferable, and polyoxyethylene, particularly polyoxyethylene having an average added mole number of 2 to 10 is preferable.
（Ｃ）成分は、グリフィンの計算式によるＨＬＢ値が５〜１８、更に５〜１６、特に５〜１４のものが好ましい。 The component (C) preferably has an HLB value of 5 to 18, more preferably 5 to 16, and especially 5 to 14 according to the Griffin calculation formula.
（Ｃ）成分は、乳化性及び溶解性の点から、本発明の乳化剤中に合計で４０〜７０重量％、更に４５〜６０重量％含有されるのが好ましい。 Component (C) is preferably contained in the emulsifier of the present invention in a total amount of 40 to 70% by weight, more preferably 45 to 60% by weight, from the viewpoint of emulsification and solubility.
＜（Ｄ）成分＞
本発明の乳化剤は、水を１〜１０重量％、好ましくは２〜６重量％、より好ましくは３〜５重量％含有する。これにより、本発明の乳化剤により調製されたマシン油乳剤の温度変化に対する安定性が著しく向上する。
<(D) component>
The emulsifier of the present invention contains 1 to 10% by weight of water, preferably 2 to 6% by weight, more preferably 3 to 5% by weight. This significantly improves the stability of the machine oil emulsion prepared with the emulsifier of the present invention against temperature changes.
＜乳化剤＞
本発明においては、（Ａ）〜（Ｄ）成分の重量比が、（Ｄ）／〔（Ａ）＋（Ｂ）＋（Ｃ）〕＝１／８〜１／９８、更に１／１２〜１／４９、特に１／１７〜１／３２であることが、有効分量と低温安定性のバランスの点から好ましい。
<Emulsifier>
In the present invention, the weight ratio of the components (A) to (D) is (D) / [(A) + (B) + (C)] = 1/8 to 1/98, more preferably 1/12 to 1 / 49, particularly preferably 1/17 to 1/32 from the viewpoint of the balance between the effective amount and the low temperature stability.
また、（Ａ）〜（Ｃ）成分の重量比が、（Ａ）／〔（Ｂ）＋（Ｃ）〕＝１／７〜１／９７、更に１／１０〜１／３１、特に１／１１〜１／２６であることが、乳化性のバランスの点から好ましい。 The weight ratio of the components (A) to (C) is (A) / [(B) + (C)] = 1/7 to 1/97, further 1/10 to 1/31, particularly 1/11. It is preferable from the point of the emulsification balance that it is -1/26.
また、（Ｂ）成分と（Ｃ）成分の重量比が、（Ｂ）／（Ｃ）＝１０／１０〜１０／３５、更に１０／１３〜１０／３５、特に１０／１５〜１０／２０であることが、乳化性の点から好ましい。 The weight ratio of the component (B) to the component (C) is (B) / (C) = 10/10 to 10/35, more preferably 10/13 to 10/35, particularly 10/15 to 10/20. It is preferable from the viewpoint of emulsification.
＜農業用マシン油乳剤＞
本発明の農業用マシン油乳剤は、マシン油と、本発明の乳化剤１〜１０重量％とを含有するが、更に本発明の乳化剤を１．５〜３重量％含有することが好ましい。また、マシン油を９０〜９９重量％、更に９７〜９８．５重量％含有することが好ましい。
<Agricultural machine oil emulsion>
The agricultural machine oil emulsion of the present invention contains machine oil and 1 to 10% by weight of the emulsifier of the present invention, and preferably further contains 1.5 to 3% by weight of the emulsifier of the present invention. Moreover, it is preferable to contain 90 to 99 weight% of machine oil, and also 97 to 98.5 weight%.
本発明の農業用マシン油乳剤は、通常の農業用マシン油乳剤に準じて調製、散布することができる。すなわち、本発明の乳化剤とマシン油とを所望の比率で混合することで本発明の農業用マシン油乳剤が得られる。また、本発明の乳化剤の成分のうち、（Ａ）〜（Ｃ）成分とマシン油を混合して均一化した後に（Ｄ）成分を添加することで、本発明の農業用マシン油乳剤を得ることもできる。本発明の農業用マシン油乳剤は、使用の際は、水で５０〜４００倍に希釈して使用される。 The agricultural machine oil emulsion of the present invention can be prepared and dispersed according to a normal agricultural machine oil emulsion. That is, the agricultural machine oil emulsion of the present invention can be obtained by mixing the emulsifier of the present invention and machine oil in a desired ratio. Further, among the components of the emulsifier of the present invention, the components (A) to (C) and the machine oil are mixed and homogenized, and then the component (D) is added to obtain the agricultural machine oil emulsion of the present invention. You can also. The agricultural machine oil emulsion of the present invention is used by diluting 50 to 400 times with water.
本発明の農業用マシン油乳剤には、殺虫剤、殺菌剤等の成分を配合できる。 The agricultural machine oil emulsion of the present invention can contain components such as insecticides and fungicides.
実施例１〜９及び比較例１〜３
表１に示す乳化剤を用いて、表１の組成の農業用マシン油乳剤を調製した。マシン油乳剤を用いて以下の評価を行った結果を表１に示す。
Examples 1-9 and Comparative Examples 1-3
Using the emulsifiers shown in Table 1, agricultural machine oil emulsions having the compositions shown in Table 1 were prepared. Table 1 shows the results of the following evaluation using machine oil emulsion.
（１）マシン油乳剤の乳化性
水道水９９．５ｇにマシン油乳剤０．５ｇを投入し（重量比で２００倍希釈）、攪拌して乳化状態を観察した。均一分散するものを「○」、均一分散しないものを「×」とした。
(1) Emulsifying property of machine oil emulsion 0.5 g of machine oil emulsion was added to 99.5 g of tap water (diluted 200 times by weight) and stirred to observe the emulsified state. Those that were uniformly dispersed were marked with “◯”, and those that were not uniformly dispersed were marked with “x”.
（２）水混入安定性
マシン油乳剤９９ｇに水道水１ｇを添加し、十分に均一分散させた後、室温（２３℃）で５日間静置した後の外観を観察した。
（３）温度安定性
マシン油乳剤を、それぞれ０℃で５日間保存後の外観を観察した。
(2) Water-mixing stability After adding 1 g of tap water to 99 g of machine oil emulsion and dispersing it sufficiently uniformly, the appearance after standing at room temperature (23 ° C.) for 5 days was observed.
(3) Temperature stability The appearance of each machine oil emulsion after storage at 0 ° C. for 5 days was observed.
表中、ＰＯＥはポリオキシエチレンの略であり、（ ）内はエチレンオキシド平均付加モル数である。 In the table, POE is an abbreviation for polyoxyethylene, and the numbers in parentheses are the average number of moles of ethylene oxide added.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003370444A JP4476596B2 (en) | 2003-10-30 | 2003-10-30 | Agricultural machine oil emulsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003370444A JP4476596B2 (en) | 2003-10-30 | 2003-10-30 | Agricultural machine oil emulsion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005132773A true JP2005132773A (en) | 2005-05-26 |
| JP4476596B2 JP4476596B2 (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003370444A Expired - Lifetime JP4476596B2 (en) | 2003-10-30 | 2003-10-30 | Agricultural machine oil emulsion |
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| Country | Link |
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| JP (1) | JP4476596B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1883297A2 (en) * | 2005-05-27 | 2008-02-06 | Indian Oil Corporation Limited | Composition of an agricultural spray oil |
-
2003
- 2003-10-30 JP JP2003370444A patent/JP4476596B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1883297A2 (en) * | 2005-05-27 | 2008-02-06 | Indian Oil Corporation Limited | Composition of an agricultural spray oil |
| EP1883297A4 (en) * | 2005-05-27 | 2010-09-01 | Indian Oil Corp Ltd | Composition of an agricultural spray oil |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4476596B2 (en) | 2010-06-09 |
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