JP3926467B2 - Liquid detergent composition - Google Patents

Liquid detergent composition Download PDF

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JP3926467B2
JP3926467B2 JP07540898A JP7540898A JP3926467B2 JP 3926467 B2 JP3926467 B2 JP 3926467B2 JP 07540898 A JP07540898 A JP 07540898A JP 7540898 A JP7540898 A JP 7540898A JP 3926467 B2 JP3926467 B2 JP 3926467B2
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Prior art keywords
alkyl group
detergent composition
liquid detergent
carbon atoms
average
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JP07540898A
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JPH11269497A (en
Inventor
邦佳 重松
石川  晃
志子 藤井
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Kao Corp
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Kao Corp
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Description

【0001】
【発明の属する技術分野】
本発明は、すすぎ時の泡切れに優れる液体洗浄剤組成物に関する。
【0002】
【従来の技術及び発明が解決しようとする課題】
洗濯工程が終わった後、衣類に界面活性剤等の洗浄成分が残留しないように、多量の水ですすぐ必要がある。節水等の観点から、より少ない量の水ですすぐことができる洗剤が望まれている。
【0003】
【課題を解決するための手段】
本発明は、
(a)次の一般式(I)
1(EO)m/(PO)nH (I)
〔R1 は炭素数8〜20のアルキル基、アルケニル基である。EOはエチレンオキサイド、POはプロピレンオキサイドを示す。m及びnは平均付加モル数であり、mは2〜20、nは1〜6である。〕
にて示される非イオン界面活性剤10〜60重量%、
(b)脂肪酸及び
(c)次式(II)で示されるアミンオキシド及び次式(III) で示されるアミドアミンオキシドから選ばれる少なくとも1種
【0004】
【化2】

Figure 0003926467
【0005】
〔式中R2は平均炭素数8〜18の直鎖又は分岐アルキル基を表し、R5は平均炭素数7〜17の直鎖又は分岐アルキル基を表す。R3、R4、R6、R7は炭素数1〜3のアルキル基又は炭素数1〜4のヒドロキシアルキル基である。tは1〜5である。〕
を含有し、(b)及び(c)の合計量が2重量%〜15重量%、(b)/(c)が1/20〜3/1(重量比)である液体洗浄剤組成物液体洗浄剤組成物を提供するものである。
【0006】
(a)成分の一般式(I)において、R1 は平均炭素数10〜14の直鎖のアルキル基、mは4〜12、nは1〜4が好ましい。EOとPOの付加方法は、例えばランダム付加またはEOを付加した後、POを付加してもよく、またその逆のようなブロック付加体でもよい。
【0007】
(a)成分は特に下記一般式(Ia)で示される非イオン界面活性剤が好ましい。
8(EO)p(PO)qH (Ia)
〔R8 は平均炭素数12〜18の直鎖、一級のアルキル基である。EO、POは前記と同じ。p及びqは平均付加モル数であり、pは4〜12、qは1〜4である。〕
一般式(Ia)の非イオン界面活性剤は、合成もしくは天然油脂から誘導されたR8 のアルキル基を有するアルコールにエチレンオキサイドを付加させた後、プロピレンオキサイドの順序で付加することで合成される。
【0008】
式(Ia)で示される非イオン界面活性剤は全(a)成分量中の10重量%〜100重量%、特には30重量%〜100重量%を占めることが好ましい。本発明の組成物は、(a)成分の非イオン界面活性剤を10重量〜50重量%含有することが好ましい。
【0009】
(b)成分の脂肪酸は、平均炭素数8〜20の飽和、又は不飽和の脂肪酸塩が好ましく、合成または牛脂やヤシ油等の天然由来のいずれのものであってもよい。脂肪酸塩は酸のまま配合するが、系中で中和されてもよい、中和する際はアルカリ金属の水酸化物、アルカノールアミンが挙げられるが、アルカノールアミンが最も好ましい。
【0010】
(c)成分の式(II)で示されるアミンオキシドは、例えば平均炭素数8〜18の直鎖又は分岐アルキル基を有するアルキルアミンを、過酸化水素等の酸化剤を用いて酸化させることで、容易に得ることができる。式(II)中のR2 の平均炭素数は10〜14、R3 、R4 はメチル基が好ましい。また、(c)成分の式(III) で示されるアミドアミンオキシドは、例えば平均炭素数8〜18の脂肪酸と1,3−プロピレンジアミンとをモル比1:1でアミデーションさせ、未反応物とジアミドを精製により除去した後、アミン残基を常法に従って酸化して容易に得ることができる。式(III) 中のtは3が好ましく、R5 の平均炭素数は10〜14、R6 、R7 はメチル基が好ましい。
【0011】
(b)及び(c)の合計量は2重量%〜10重量%が好ましく、また(b)/(c)の好ましくは1/10〜1/1(重量比)である。
【0012】
本発明に配合されるその他界面活性剤としては、洗浄性を高める上でアルキルベンゼンスルホン酸塩、ポリエチレンオキシアルキル硫酸エステル塩等の陰イオン界面活性剤を併用することが好ましい。陰イオン界面活性剤の対イオンとしてはナトリウム、カリウム等のアルカリ金属以外に、マグネシウム等のアルカリ土類金属及び/又はモノ、ジ、トリエタノールアミン等のアルカノールアミン等を使用するが、特にアルカノールアミンを用いることで液安定性が向上することから好適である。しかしながら、すすぎ性の為には、脂肪酸塩以外の陰イオン界面活性剤の配合量は、酸型に換算して、好ましくは10重量%以下、更に好ましくは5重量%以下、最も好ましくは2重量%未満である。
【0013】
(a)成分及び(c)成分以外の非イオン界面活性剤として、平均炭素数が10〜14であり、平均エチレンオキサイド付加モル数が5〜10のポリオキシエチレンアルキルエーテルを併用することが好ましい。
【0014】
更に本発明には、下記成分を配合することができる。アルカリ金属の水酸化物、ケイ酸塩、炭酸塩及びアルカノールアミン等のアルカリ剤;エタノールなどのアルコール類、エチレングリコール、分子量200以上〜数千位の低分子量のポリエチレングリコール及びプロピレングリコールなどのグリコール類、パラトルエンスルホン酸、安息香酸塩(防腐剤としての効果もある)並びに尿素などの減粘剤や可溶化剤;ポリオキシアルキレンベンジルエーテル、ポリオキシアルキレンフェニルエーテルなどの相調節剤;イミノ二酢酸塩、ジエチレントリアミン五酢酸塩、グリコールエーテルジアミン四酢酸塩、ヒドロキシエチルイミノ二酢酸塩、トリエチレンテトラミン六酢酸塩、マロン酸、コハク酸、ジグリコール酸、リンゴ酸、酒石酸及びクエン酸並びにそれらの塩などのキレート剤;ポリアクリル酸、ポリマレイン酸、カルボキシメチルセルロース、平均分子量5000以上のポリエチレングリコール、無水マレイン酸−ジイソブチレン共重合体、無水マレイン酸−メチルビニルエーテル共重合体、無水マレイン酸−イソブチレン共重合体、無水マレイン酸―酢酸ビニル共重合体、特開昭59−62614号公報記載のポリマー化合物;ポリビニルピロリドンなどの色移り防止剤;アミラーゼ、プロテアーゼ、リパーゼ、セルラーゼなどの酵素;塩化カルシウム、硫酸カルシウム、ギ酸、ホウ酸(ホウ素化合物)などの酵素安定化剤;チノパールCBS(チバガイギー社製)などの蛍光染料;アミノ変性シリコーン;シリカ、シリコーン系などの消泡剤;ブチルヒドロキシトルエン、ジスチレン化クレゾール、亜硫酸ナトリウム、亜硫酸水素ナトリウムなどの酸化防止剤;着色剤;香料;抗菌防腐剤が挙げられる。
【0015】
【実施例】
(1)液体洗浄剤組成物の調製
表1記載の液体洗浄剤組成物を調製した。陰イオン界面活性剤(1)又は(2)を配合する場合は、予めアルカノールアミン塩として配合した。
(2)すすぎ性の評価
下記洗濯条件ですすぎ性の評価を行なった。なお、すすぎ性の評価は、すすぎ時間を1分、3分、5分、10分、15分の何れかに設定し、攪拌と流水を停止させたときの液面の泡の状態を観察することで行った。
洗濯機;東芝銀河3.6 VH-360S1
水量;30L(水道水、23℃)
衣料;木綿肌着1.5kg、ワイシャツ(ポリエステルとコットンの混紡)1.5kg
洗剤量;20mL/30L
洗濯条件;強反転10分間、脱水1分間
すすぎ条件;流水すすぎ(14L/分、オーバーフロー)
すすぎ時間1分、3分、5分、10分又は15分
(3)結果
いずれの組成もすすぎ時間が少なくとも5分で液面に泡は見られず、充分な泡切れ効果が得られることが示された。
【0016】
【表1】
Figure 0003926467
【0017】
(注)
・非イオン界面活性剤(1):一般式(I)においてR1 が炭素数12〜14のアルキル基であり、m=6,n=1のEOとPOの付加が同時に行われたもの。
・非イオン界面活性剤(2):一般式(I)においてR1 が炭素数12〜14のアルキル基であり、m=8,n=1のEOとPOの付加が同時に行われたもの。
・非イオン界面活性剤(3):一般式(Ia)においてR8 が炭素数12〜14のアルキル基であり、p=6,q=1のもの。
【0018】
・非イオン界面活性剤(4):一般式(I)においてR1 が炭素数12〜14のアルキル基であり、m=6,n=2のEOとPOの付加が同時に行われたもの。
・非イオン界面活性剤(5):一般式(I)においてR1 が炭素数12〜14のアルキル基であり、m=8,n=2のEOとPOの付加が同時に行われたもの。
・非イオン界面活性剤(6):一般式(Ia)においてR8 が炭素数12〜14のアルキル基であり、p=8,q=2のもの。
【0019】
・脂肪酸:炭素数が10〜18の脂肪酸
・アミンオキサイド(1):一般式(II)においてR2 が炭素数12のアルキル基であり、R3 及びR4 がメチル基である。
【0020】
・アミンオキサイド(2):一般式(III) においてR5 が炭素数12のアルキル基であり、R6 及びR7 がメチル基、tが3である。
【0021】
・陰イオン界面活性剤(1):アルキル鎖の炭素数が12〜14の直鎖アルキルベンゼンスルホン酸
・陰イオン界面活性剤(2):アルキル鎖が1級の炭素数が12のアルキル硫酸エステル
・アルカノールアミン(1):モノエタノールアミン
・アルカノールアミン(2):ジエタノールアミン
・酵素:デュラザイム16.0L(プロテアーゼ、ノボノルディスクバイオインダストリー社製)
・蛍光染料:チノパールCBS(チバ・ガイギー社製)
【0022】
【発明の効果】
本発明の液体洗浄剤組成物はすすぎ時の泡切れ性に優れるため、少ない水の量ですすぐことができる。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a liquid detergent composition that is excellent in foaming during rinsing.
[0002]
[Prior art and problems to be solved by the invention]
After the washing process is completed, it is necessary to rinse with a large amount of water so that washing components such as surfactants do not remain in the clothes. From the viewpoint of saving water, a detergent that can be rinsed with a smaller amount of water is desired.
[0003]
[Means for Solving the Problems]
The present invention
(A) The following general formula (I)
R 1 (EO) m / (PO) n H (I)
[R 1 is an alkyl group or alkenyl group having 8 to 20 carbon atoms. EO represents ethylene oxide and PO represents propylene oxide. m and n are average addition mole numbers, m is 2-20, n is 1-6. ]
10 to 60% by weight of a nonionic surfactant represented by
(B) at least one selected from fatty acids and (c) amine oxides represented by the following formula (II) and amidoamine oxides represented by the following formula (III):
[Chemical 2]
Figure 0003926467
[0005]
[Wherein R 2 represents a linear or branched alkyl group having an average carbon number of 8 to 18, and R 5 represents a linear or branched alkyl group having an average carbon number of 7 to 17. R 3 , R 4 , R 6 and R 7 are an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 4 carbon atoms. t is 1-5. ]
A liquid detergent composition liquid in which the total amount of (b) and (c) is 2 to 15% by weight and (b) / (c) is 1/20 to 3/1 (weight ratio) A cleaning composition is provided.
[0006]
In the general formula (I) of the component (a), R 1 is preferably a linear alkyl group having 10 to 14 carbon atoms, m is 4 to 12, and n is preferably 1 to 4. As an addition method of EO and PO, for example, random addition or EO may be added, and then PO may be added, or vice versa.
[0007]
The component (a) is particularly preferably a nonionic surfactant represented by the following general formula (Ia).
R 8 (EO) p (PO) q H (Ia)
[R 8 is a straight-chain average 12 to 18 carbon atoms, an alkyl group of primary. EO and PO are the same as above. p and q are average addition mole numbers, p is 4-12, q is 1-4. ]
The nonionic surfactant of the general formula (Ia) is synthesized by adding ethylene oxide to an alcohol having an R 8 alkyl group derived from a synthetic or natural oil, and then adding in the order of propylene oxide. .
[0008]
The nonionic surfactant represented by the formula (Ia) preferably accounts for 10% to 100% by weight, particularly 30% to 100% by weight, based on the total amount of the component (a). The composition of the present invention preferably contains 10 to 50% by weight of the nonionic surfactant as component (a).
[0009]
The fatty acid as the component (b) is preferably a saturated or unsaturated fatty acid salt having an average carbon number of 8 to 20, and may be any synthetic or natural origin such as beef tallow or coconut oil. Although the fatty acid salt is blended as an acid, it may be neutralized in the system. In the neutralization, alkali metal hydroxides and alkanolamines can be mentioned, and alkanolamines are most preferable.
[0010]
The amine oxide represented by the formula (II) of the component (c) is obtained by oxidizing, for example, an alkylamine having a linear or branched alkyl group having an average carbon number of 8 to 18 using an oxidizing agent such as hydrogen peroxide. Can be easily obtained. In formula (II), R 2 has an average carbon number of 10 to 14, and R 3 and R 4 are preferably methyl groups. In addition, the amidoamine oxide represented by the formula (III) of the component (c) is, for example, a fatty acid having an average carbon number of 8 to 18 and 1,3-propylenediamine in a molar ratio of 1: 1, After removing the diamide by purification, the amine residue can be easily obtained by oxidation according to a conventional method. T in the formula (III) is preferably 3, the average carbon number of R 5 is 10 to 14, and R 6 and R 7 are preferably methyl groups.
[0011]
The total amount of (b) and (c) is preferably 2 to 10% by weight, and (b) / (c) is preferably 1/10 to 1/1 (weight ratio).
[0012]
As other surfactants to be blended in the present invention, it is preferable to use anionic surfactants such as alkylbenzene sulfonates and polyethyleneoxyalkyl sulfates in combination in order to improve detergency. In addition to alkali metals such as sodium and potassium, alkaline earth metals such as magnesium and / or alkanolamines such as mono-, di-, and triethanolamine are used as counter ions for anionic surfactants. Is preferable because the liquid stability is improved. However, for rinsing properties, the amount of the anionic surfactant other than the fatty acid salt is preferably 10% by weight or less, more preferably 5% by weight or less, and most preferably 2% by weight in terms of acid type. %.
[0013]
As a nonionic surfactant other than the component (a) and the component (c), it is preferable to use a polyoxyethylene alkyl ether having an average carbon number of 10 to 14 and an average ethylene oxide addition mole number of 5 to 10. .
[0014]
Furthermore, the following components can be mix | blended with this invention. Alkaline agents such as alkali metal hydroxides, silicates, carbonates and alkanolamines; alcohols such as ethanol, ethylene glycol, glycols such as low molecular weight polyethylene glycol having a molecular weight of 200 to several thousand and propylene glycol , P-toluenesulfonic acid, benzoate (also effective as a preservative) and urea and other thinning agents and solubilizers; phase regulators such as polyoxyalkylene benzyl ether and polyoxyalkylene phenyl ether; iminodiacetic acid Salt, diethylenetriaminepentaacetate, glycol etherdiaminetetraacetate, hydroxyethyliminodiacetic acid salt, triethylenetetramine hexaacetate, malonic acid, succinic acid, diglycolic acid, malic acid, tartaric acid and citric acid and their salts Chelating agent of polya Rylic acid, polymaleic acid, carboxymethylcellulose, polyethylene glycol having an average molecular weight of 5000 or more, maleic anhydride-diisobutylene copolymer, maleic anhydride-methyl vinyl ether copolymer, maleic anhydride-isobutylene copolymer, maleic anhydride- Vinyl acetate copolymer, polymer compound described in JP-A-59-62614; color transfer inhibitor such as polyvinylpyrrolidone; enzyme such as amylase, protease, lipase, cellulase; calcium chloride, calcium sulfate, formic acid, boric acid ( Enzyme stabilizers such as boron compounds; fluorescent dyes such as Tinopearl CBS (manufactured by Ciba Geigy); amino-modified silicones; antifoaming agents such as silica and silicones; butylhydroxytoluene, distyrenated cresol, sodium sulfite, Antioxidants such as sodium hydrogen sulphate; coloring agents; flavoring; antimicrobial preservative agents.
[0015]
【Example】
(1) Preparation of liquid detergent composition The liquid detergent composition of Table 1 was prepared. When the anionic surfactant (1) or (2) was blended, it was blended in advance as an alkanolamine salt.
(2) Evaluation of rinsing properties The rinsing properties were evaluated under the following washing conditions. In the evaluation of rinsing properties, the rinsing time is set to 1 minute, 3 minutes, 5 minutes, 10 minutes, or 15 minutes, and the state of bubbles on the liquid surface is observed when stirring and running water are stopped. I went there.
Washing machine; Toshiba Galaxy 3.6 VH-360S1
Water volume: 30L (tap water, 23 ° C)
Clothing: cotton underwear 1.5kg, shirt (polyester and cotton blend) 1.5kg
Detergent amount: 20mL / 30L
Washing condition: strong inversion 10 minutes, dehydration 1 minute rinse condition; running water rinse (14 L / min, overflow)
Rinse time 1 minute, 3 minutes, 5 minutes, 10 minutes, or 15 minutes (3) As a result, no foam is seen on the liquid surface with a rinse time of at least 5 minutes. Indicated.
[0016]
[Table 1]
Figure 0003926467
[0017]
(note)
And non-ionic surfactant (1): R 1 in the general formula (I) is an alkyl group having 12 to 14 carbon atoms, m = 6, n = 1 of EO to that the addition of PO was performed at the same time.
And non-ionic surface active agent (2): R 1 in the general formula (I) is an alkyl group having 12 to 14 carbon atoms, m = 8, n = 1 of EO to that the addition of PO was performed at the same time.
And non-ionic surfactant (3): R 8 in the general formula (Ia) is an alkyl group having 12 to 14 carbon atoms, p = 6, q = 1 thing.
[0018]
And non-ionic surfactant (4): R 1 in the general formula (I) is an alkyl group having 12 to 14 carbon atoms, m = 6, n = 2 of the EO to that the addition of PO was performed at the same time.
And non-ionic surfactants (5): R 1 in the general formula (I) is an alkyl group having 12 to 14 carbon atoms, m = 8, n = 2 of the EO to that the addition of PO was performed at the same time.
Nonionic surfactant (6): In general formula (Ia), R 8 is an alkyl group having 12 to 14 carbon atoms, and p = 8 and q = 2.
[0019]
Fatty acid: Fatty acid having 10 to 18 carbon atoms. Amine oxide (1): In general formula (II), R 2 is an alkyl group having 12 carbon atoms, and R 3 and R 4 are methyl groups.
[0020]
Amine oxide (2): In general formula (III), R 5 is an alkyl group having 12 carbon atoms, R 6 and R 7 are methyl groups, and t is 3.
[0021]
Anionic surfactant (1): linear alkylbenzene sulfonic acid having 12 to 14 carbon atoms in the alkyl chain Anionic surfactant (2): alkyl sulfate ester having a primary alkyl chain having 12 carbon atoms Alkanolamine (1): monoethanolamine, alkanolamine (2): diethanolamine, enzyme: Durazyme 16.0L (protease, manufactured by Novo Nordisk Bio Industry)
・ Fluorescent dye: Chino Pearl CBS (Ciba Geigy)
[0022]
【The invention's effect】
Since the liquid detergent composition of the present invention is excellent in foaming property at the time of rinsing, it can be rinsed with a small amount of water.

Claims (4)

(a)次の一般式(I)
1(EO)m/(PO)nH (I)
〔R1 は炭素数8〜20のアルキル基、アルケニル基である。EOはエチレンオキサイド、POはプロピレンオキサイドを示す。m及びnは平均付加モル数であり、mは2〜20、nは1〜6である。〕
にて示される非イオン界面活性剤10〜60重量%、
(b)脂肪酸塩
(c)次式(II)で示されるアミンオキシド及び次式(III) で示されるアミドアミンオキシドから選ばれる少なくとも1種、並びに
Figure 0003926467
〔式中R2は平均炭素数8〜18の直鎖又は分岐アルキル基を表し、R5は平均炭素数7〜17の直鎖又は分岐アルキル基を表す。R3、R4、R6、R7は炭素数1〜3のアルキル基又は炭素数1〜4のヒドロキシアルキル基である。tは1〜5である。〕
(d)アルカリ剤
を含有し、(a)の全量中、下記一般式( Ia
8 ( EO ) p ( PO ) q H ( Ia
〔R 8 は平均炭素数12〜18の直鎖、一級のアルキル基である。EO、POは前記と同じ。p及びqは平均付加モル数であり、pは4〜12、qは1〜4である。〕
で示される非イオン界面活性剤が10重量%〜100重量%を占め、(b)及び(c)の合計量が2重量%〜15重量%、(b)/(c)が1/20〜3/1(重量比)である液体洗浄剤組成物。
(A) The following general formula (I)
R 1 (EO) m / (PO) n H (I)
[R 1 is an alkyl group or alkenyl group having 8 to 20 carbon atoms. EO represents ethylene oxide and PO represents propylene oxide. m and n are average addition mole numbers, m is 2-20, n is 1-6. ]
10 to 60% by weight of a nonionic surfactant represented by
(B) fatty acid salt (c) at least one selected from amine oxides represented by the following formula (II) and amidoamine oxides represented by the following formula (III);
Figure 0003926467
[Wherein R 2 represents a linear or branched alkyl group having an average carbon number of 8 to 18, and R 5 represents a linear or branched alkyl group having an average carbon number of 7 to 17. R 3 , R 4 , R 6 and R 7 are an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 4 carbon atoms. t is 1-5. ]
(D) contains an alkali agent, and in the total amount of (a), the following general formula ( Ia )
R 8 ( EO ) p ( PO ) q H ( Ia )
[R 8 Is a linear, primary alkyl group having an average carbon number of 12-18. EO and PO are the same as above. p and q are average addition mole numbers, p is 4-12, q is 1-4. ]
The nonionic surfactant represented by the formula occupies 10 wt% to 100 wt%, the total amount of (b) and (c) is 2 wt% to 15 wt%, and (b) / (c) is 1/20 Liquid detergent composition which is 3/1 (weight ratio).
(d)アルカリ剤が、アルカリ金属の水酸化物、ケイ酸塩、炭酸塩及びアルカノールアミンから選ばれる請求項1記載の液体洗浄剤組成物。  (D) The liquid detergent composition according to claim 1, wherein the alkali agent is selected from an alkali metal hydroxide, silicate, carbonate and alkanolamine. (b)/(c)が1/10〜3/1(重量比)である請求項1又は2記載の液体洗浄剤組成物。  The liquid detergent composition according to claim 1 or 2, wherein (b) / (c) is 1/10 to 3/1 (weight ratio). 洗濯用である請求項1〜の何れか1項記載の液体洗浄剤組成物。The liquid detergent composition according to any one of claims 1 to 3 , which is used for washing.
JP07540898A 1998-03-24 1998-03-24 Liquid detergent composition Expired - Fee Related JP3926467B2 (en)

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