CN109715775A

CN109715775A - Liquid detergent

Info

Publication number: CN109715775A
Application number: CN201780057710.XA
Authority: CN
Inventors: 石塚智贵; 黑川贵行
Original assignee: Lion Corp
Current assignee: Lion Corp
Priority date: 2016-09-23
Filing date: 2017-09-15
Publication date: 2019-05-03
Also published as: WO2018056197A1; JPWO2018056197A1; JP6726755B2

Abstract

Liquid detergent of the invention contains (A) ingredient: nonionic surfactant, (B) ingredient: anionic surfactant (wherein, does not include higher fatty acid salt.) and (C) ingredient: organic solvent shown in the following general formula (c1), the content of (B) ingredient is less than 50 mass %, and mass ratio represented by (A) ingredient/(B) ingredient is less than 3.[changing 1](in formula (c1), R³¹~R³³It is each independently the alkyl of hydrogen atom or carbon atom number 1~3, R³⁴For hydrogen atom or acetyl group.).

Description

Liquid detergent

Technical field

The present invention relates to liquid detergents.

The Patent 2016-185006 CLAIM OF PRIORITY filed an application the present invention is based on September 23rd, 2016 to Japan, is helped herein With its content.

Background technique

In recent years, with capacity increase of washing machine etc., the plug of clothing etc. (to washings) is got higher to washing frequency together. In plug to when washing together, due to high relative to the ratio of cleaning solution to washings, therefore the dirt concentration in cleaning solution tends to increase Add.Thus, it is easy to which the dirt for occurring to remove in washing is adhered to again to the recontamination on washings.

At this point, in order to improve the anti-recontamination of detergent, it is thus proposed that the liquid detergent of mixed anion surfactant (such as patent document 1,2).

Existing technical literature

Patent document

Patent document 1: Japanese Patent Laid-Open 2014-84432 bulletin

Patent document 2: Japanese Patent Laid-Open 2015-193859 bulletin

Summary of the invention

Subject to be solved by the invention

It, can be at the dirt position to washings but when the sebum dirt etc. for being difficult to wash off is attached to when washings Directly coating liquid detergent carry out using.

However, increase liquid detergent in anionic surfactant ratio if, exist to mineral oil, machine oil, the marking, The case where coating washability of the tough stains such as ink reduces.

The present invention forms in view of the foregoing, it is intended that it is excellent to provide a kind of anti-recontamination, and is coated with washing performance Also good liquid detergent.

The means to solve the problem

The present invention has following manner.

[1] a kind of liquid detergent contains (A) ingredient: nonionic surfactant, (B) ingredient: anionic surfactant It (wherein, does not include higher fatty acid salt.), and (C) ingredient: organic solvent shown in the following general formula (c1)；(B) content of ingredient Less than 50 mass %, mass ratio represented by (A) ingredient/(B) ingredient is less than 3.

[changing 1]

In formula (c1), R³¹~R³³It is each independently the alkyl of hydrogen atom or carbon atom number 1~3, R³⁴For hydrogen atom or second Acyl group.

[2] liquid detergent described in [1], wherein above-mentioned (C) ingredient is 3- methoxyl group -3- methyl butanol.

[3] liquid detergent described in [1] or [2], wherein above-mentioned (A) ingredient contains non-ionic surface active of more than two kinds Agent, at least one kind of in above-mentioned nonionic surfactant of more than two kinds is for the alkylene oxide addition product of secondary alcohol or the ring of branched-chain primary alcohol Oxygen alkane addition product.

[4] liquid detergent described in [3], wherein the alkylene oxide addition product of above-mentioned secondary alcohol is to change shown in the following general formula (a2) Close object.

R¹³-O-[(EO)_p/(PO)_q]-(EO)_r-H···(a2)

(in formula (a2), R¹³Indicate that the alkyl of the carbon atom number 6~22 from secondary alcohol, EO indicate that oxyethylene group, PO indicate oxygen Acrylic, p indicate the averaged repeating numbers of EO, are 3~20 numbers, and q indicates the averaged repeating numbers of PO, are 0~6 numbers, and r indicates EO Averaged repeating numbers, be 0~20 number.)

[5] liquid detergent described in [3] or [4], wherein the content of the alkylene oxide addition product of above-mentioned secondary alcohol is 1~30 matter Measure %.

[6] liquid detergent described in [3], wherein the alkylene oxide addition product of above-mentioned branched-chain primary alcohol is shown in the following general formula (a3) Compound.

[changing 2]

In formula (a3), it is 3~10 number that EO, which indicates that oxyethylene group, m indicate the averaged repeating numbers of EO, x and y be 1 respectively~ 7 number.

[7] liquid detergent described in [3] or [6], wherein the content of the alkylene oxide addition product of above-mentioned branched-chain primary alcohol is 1 ~30 mass %.

[8] liquid detergent described in any one of [1]~[7], wherein above-mentioned (B) ingredient contains selected from linear alkylbenzene (LAB) One or more of the group that sulfonic acid or its salt and polyoxyalkylene alkyl sulfuric ester or its salt are constituted.

[9] liquid detergent described in [8], wherein above-mentioned (B) ingredient contains linear alkyl benzene sulfonic acid or its salt (b1), and Polyoxyalkylene alkyl sulfuric ester or its salt (b2), mass ratio represented by (b2)/(b1) are 0.1~9.

[10] liquid detergent described in any one of [1]~[9], wherein the content of above-mentioned (A) ingredient is 10~80 matter Measure %.

[11] liquid detergent described in any one of [1]~[10], wherein the content of above-mentioned (C) ingredient is 1~30 matter Measure %.

[12] liquid detergent described in any one of [1]~[11], wherein the content of above-mentioned (A) ingredient and (B) ingredient Summation is 15~80 mass %.

[13] liquid detergent described in any one of [1]~[12], wherein quality represented by (B) ingredient/(C) ingredient Than being 0.1~15.

The effect of invention

The anti-recontamination of liquid detergent of the invention is excellent, and it is also good to be coated with washing performance.

Specific embodiment

The present invention is described in detail below.

Liquid detergent of the invention contains (A) ingredient as shown below, (B) ingredient and (C) ingredient.

In addition, " conventional wash " refers in the present invention, using the cleaning solution for being dispersed with liquid detergent in water, in washing machine etc. To washings, " conventional wash " refers to the washing force in conventional wash for middle washing.

In addition, " coating washing " refers to for liquid detergent to be coated directly onto and wash to washings, " coating washing performance " is Refer to the washing force in coating washing.

In addition, " higher fatty acid salt " refers to the fatty acid salt of carbon atom number 8~22.

< (A) ingredient >

(A) ingredient is nonionic surfactant.(A) ingredient may be carried out by conventional means manufacture, also can be used commercially available Product.

As nonionic surfactant, as long as nonionic surfactant used in the liquid detergents such as existing dress material use , it can be mentioned, for example the alkylene oxide addition products of polyoxygenated ene-type nonionic surfactant, alkyl phenol, higher amines etc., polyoxy Ethylene polyoxypropylene block copolymers, fatty acid chain alkanolamine, Marlamid, polyol fatty acid ester or its epoxy Alkane addition product, polyol fatty acid ether, alkyl (or alkenyl) amine oxide, the alkylene oxide addition product of rilanit special, glycolipid fat Acid esters, N- alkyl polyhydroxy fatty acid amide, alkyl glycosides etc..These nonionic surfactants can be used alone, or Two or more is applied in combination.

As nonionic surfactant, it is above-mentioned among, for viscosity and the angle of liquid stability, preferably polyoxyalkylene Type nonionic surfactant.

As polyoxygenated ene-type nonionic surfactant, it can be mentioned, for example the following general formula (a1) compounds represented (below Claim " compound (a1) ".).

R¹¹-X-[(EO)_s/(PO)_t]-R¹²···(a1)

In formula (a1), R¹¹It is the alkyl of carbon atom number 6~22, X is the linker of divalent, R¹²It is hydrogen atom, carbon atom number 1 ~6 alkyl or the alkenyl of carbon atom number 2~6, EO indicate that oxyethylene group, PO indicate that oxypropylene group, s indicate the average weight of EO Plural number is 3~20 number, and it is 0~6 number that t, which indicates the averaged repeating numbers of PO,.

In formula (a1), R¹¹The carbon atom number of alkyl be 6~22, preferably 8~22, more preferable 10~18.R¹¹Alkyl can To be linear chain or branched chain, it can have unsaturated bond or do not have.

As-X- ,-O- ,-COO- ,-CONH- etc. can be enumerated.

R¹²The carbon atom number of middle alkyl is 1~6, preferably 1~3.

R¹²The carbon atom number of alkenyl groups is 2~6, preferably 2~3.

Compound (a1) when-X- is-O- ,-COO- or-CONH- is the higher alcohol (R with primary or secondary¹¹- OH), advanced rouge Fat acid (R¹¹- COOH) or higher fatty acid amides (R¹¹- CONH) it is obtained as raw material.R in these raw materials¹¹In formula (a1) R¹¹It is identical.

S is 3~20 number for indicating the averaged repeating numbers (i.e. the average addition molal quantity of ethylene oxide) of EO, preferably 5~ 18.If above-mentioned upper limit value, HLB value becomes excessively high and there is the worry reduced to the washing force of sebum.Under above-mentioned If limit value, then the raw material smell of (A) ingredient itself may deteriorate.

T is 0~6 number for indicating the averaged repeating numbers (i.e. the average addition molal quantity of propylene oxide) of PO, preferably 0~3.It is more than If above-mentioned upper limit value, then there is the tendency of the liquid stability reduction at a high temperature of liquid detergent.

When t is 1 or more, i.e., when compound (a1) has EO and PO, putting in order for EO and PO is unrestricted, can be nothing Rule shape is mixed in or block-wise is mixed in.[(EO) in general formula (a1)_s/(PO)_t] refer to that EO and PO are mixed in random shape or block-wise. The addition method of ethylene oxide and propylene oxide is not particularly limited, such as can be random addition method or block addition side Method.As block addition method, it can be mentioned, for example after addition of ethylene oxide, the method for addition propylene oxide；Addition propylene oxide Afterwards, the method for addition of ethylene oxide；After addition of ethylene oxide, addition propylene oxide, the further method of addition of ethylene oxide again Deng.

The distribution of the addition molal quantity of ethylene oxide or propylene oxide is not particularly limited.

The reaction method when distribution of addition molal quantity is easy to according to manufacture nonionic surfactant changes.For example, using The base catalyst of general sodium hydroxide or potassium hydroxide etc., in addition of ethylene oxide on hydrophobic based raw material or propylene oxide, The distribution of the addition molal quantity of ethylene oxide or propylene oxide is tended to than wider distribution.In addition, using Japanese Patent Publication 6- That records in No. 15038 bulletins is added to Al³⁺、Ga³⁺、In³⁺、Tl³⁺、Co³⁺、Sc³⁺、La³⁺、Mn²⁺The magnesia of equal metal ions Etc. specific alkoxylating catalyst, in addition of ethylene oxide on hydrophobic based raw material or propylene oxide, ethylene oxide or epoxy Narrow distribution is tended in the addition molal quantity distribution of propane.

As compound (a1), in particular it is preferred to compound (such as alcohol type non-ionic surface active when-X- is-O- Agent), or-X- is-COO-, R¹²For compound (such as the rouge of the alkenyl of the alkyl or carbon atom number 2~6 of carbon atom number 1~6 Fat acid alkyl ester or Alkenyl ester).

When-X- is-O-, R¹¹Carbon atom number preferably 10~22, more preferable 10~20, further preferred 10~18.R¹²It is excellent It is selected as hydrogen atom.

When-X- is-COO-, R¹¹Carbon atom number preferably 9~21, more preferable 11~21.R¹²It is preferred that carbon atom number 1~6 The alkenyl of alkyl or carbon atom number 2~6, the alkyl of more preferable carbon atom number 1~3.

As-X- be-O- or-COO- when compound (a1), it can be mentioned, for example relative to Mitsubishi chemical Co., Ltd's system ((C indicates carbon atom number to the Diadol made by trade name, C13.It is same as below.)), Shell company manufacture Neodol (trade name, The mixture of C12 and C13), 1 mole of alcohol of Safol23 (mixture of trade name, C12 and C13) etc. of the manufacture of Sasol company, add At 12 moles of compounds quite or after 15 moles of comparable ethylene oxide；CO-1214 or CO- relative to Procter & Gamble's manufacture 1 mole of the natural alcohols such as 1270 (trade names), 12 moles of addition is quite or the compound after 15 moles of comparable ethylene oxide；Relatively In the C12 alkene for obtaining butylene trimerizing for 1 mole of C13 alcohol obtained by carbonylation method, 7 moles of addition comparable epoxy second Compound (trade name: Lutensol TO7, BASF AG's system) after alkane；It is obtained relative to amylalcohol is reacted for Guerbet 1 mole of C10 alcohol, the compound (trade name: Lutensol XP90, BASF AG after 9 moles of comparable ethylene oxide of addition System)；Relative to by amylalcohol for the change 1 mole of C10 alcohol obtained by Guerbet reaction, after 7 moles of comparable ethylene oxide of addition It closes object (trade name: Lutensol XL70, BASF society system)；It rubs relative to by amylalcohol for C10 alcohol 1 obtained by Guerbet reaction You, the compound (trade name: Lutensol XA60, BASF AG's system) after 6 moles of comparable ethylene oxide of addition；Relative to 1 mole of the secondary alcohol of carbon atom number 12~14,9 moles of addition is quite or the compound (commodity after 15 moles of comparable ethylene oxide Name: Softanol 90, Softanol 150, Nippon Shokubai Co., Ltd's system)；Relative to coconut fatty acid methyl esters (lauric acid/ Myristic acid=8/2) 1 mole, using alkoxylating catalyst, the compound after 15 moles of comparable ethylene oxide of addition is (poly- Ethylene oxide coconut fatty acid methyl esters (EO15 moles)) etc..

As compound (a1), it is above-mentioned among, preferably-X- be-COO-, R¹²It is 0 for alkyl, the t of carbon atom number 1~6 Compound, i.e. polyoxyethylene fatty acid Arrcostab, wherein particularly, more preferable R¹²For the polyoxyethylene fatty acid methyl ester of methyl (being also referred to as MEE below).

By using polyoxyethylene fatty acid Arrcostab as nonionic surfactant, liquid detergent in water molten is improved Xie Xing, washing force are improved.In addition to this, it even if improving the content of (B) ingredient in liquid detergent, is also not susceptible to glue Degree dramatically increases (gelation), can get the concentrated type liquid detergent with good fluidity.

Polyoxyethylene fatty acid Arrcostab, particularly MEE are to be arranged in weaker in water solution system and micella between molecule Unstable nonionic surfactant.Thus it is speculated that polyoxyethylene fatty acid Arrcostab will not coagulate in higher concentrations Gelatinization etc., even if independent a kind a large amount of mixing in liquid detergent, can also be improved dissolubility in water.Therefore, can recognize Polyoxyethylene fatty acid alkane when dispersing in water for the liquid detergent containing polyoxyethylene fatty acid Arrcostab, in cleaning solution The concentration of base ester becomes rapidly uniformly, from washing initial stage to any concentration, to contact with to washings and play high washing force.

It indicates in polyoxyethylene fatty acid Arrcostab, the distribution proportion of the different compound of the addition molal quantity of ethylene oxide Narrow ditribution rate (ナロー rate) preferably 20 mass % or more.The preferred essence of the upper limit value of narrow ditribution rate is below 80 mass %. More preferable 20~60 mass % of narrow ditribution rate.The narrow ditribution rate the high more can obtain good washing force, but it is excessively high if, there are low The worry that liquid stability under temperature reduces, therefore further preferred 30~45 mass % of narrow ditribution rate.

The narrow ditribution rate of the polyoxygenated ene-type nonionic surfactant of polyoxyethylene fatty acid Arrcostab etc. is under The value that the mathematical expression (S) stated acquires.

[number 1]

In formula (S), S_maxIndicate that there are in most alkylene oxide addition products in polyoxygenated ene-type nonionic surfactant The addition molal quantity (value of the s+t in formula (a1)) of alkylene oxide.

The addition molal quantity of i expression alkylene oxide.

Yi indicates the alkylene oxide addition product when addition molal quantity of alkylene oxide present in compound (a1) entirety is i, opposite In the ratio (quality %) of compound (a1) gross mass.

Above-mentioned narrow ditribution rate can be controlled for example, by the manufacturing method etc. of polyoxyethylene fatty acid Arrcostab.

It as the manufacturing method of polyoxyethylene fatty acid Arrcostab, is not particularly limited, but it can be mentioned, for example modified using surface O composite metallic oxide catalyst, method (the Japanese Unexamined Patent Publication 2000- of addition polymerization ethylene oxide on fatty acid alkyl esters No. 144179 bulletin references).

As the appropriate ones of the modified O composite metallic oxide catalyst in above-mentioned surface, it can be mentioned, for example pass through metal hydroxides Obtained by equal surfaces are modified, it is added to metal ion (Al³⁺、Ga³⁺、In³⁺、Tl³⁺、Co³⁺、Sc³⁺、La³⁺、Mn²⁺Deng) magnesia Deng O composite metallic oxide catalyst, or by the surfaces such as metal hydroxides and/or metal alkoxide it is modified obtained by neatly Calcined product catalyst of stone etc..

It is preferably golden relative to 100 mass parts of metal composite oxide during the surface of above-mentioned O composite metallic oxide catalyst is modified The ratio for belonging to hydroxide and/or metal alkoxide is 0.5~10 mass parts, more preferable 1~5 mass parts.

The manufacturing method of polyoxyethylene fatty acid Arrcostab is not limited to the above method.For example, by by alkaline-earth metal Close alkoxylating catalyst prepared by the mixture of object and oxyacid etc., the method that alkylene oxide is added into fatty acid alkyl esters, Polyoxyethylene fatty acid Arrcostab can also be manufactured.For above-mentioned alkoxylating catalyst, No. 04977609 public affairs of Japanese Patent No. In report, International Publication No. 1993/004030, International Publication No. 2002/038269, International Publication No. 2012/028435 etc. Through open, it can be mentioned, for example mixing for the alkali earth metal salt of alkali earth metal salt and/or hydroxycarboxylic acid by carboxylic acid and sulfuric acid etc. Close the alkoxylating catalyst etc. of object preparation.

By improving the content of (A) ingredient in liquid detergent, can achieve the advantages that can make with a small amount of liquid Detergent, that is, washable is to be washed, and to wash object, liquid detergent container compact.Improve the content of (A) ingredient in liquid detergent When, based on even gelation zone is also small in higher concentrations, be easy to mixture angle, as (A) ingredient, preferably on secondary alcohol plus At the secondary alcohol ethoxyl compound (such as Softanol series of Nippon Shokubai Co., Ltd's manufacture) or MEE after ethylene oxide.By In these, even gelation zone is also small in higher concentrations, therefore even if improving the content in liquid detergent, also it is not susceptible to Gelation.

(A) ingredient can be used alone or two or more is applied in combination.

(A) it when ingredient contains nonionic surfactant of more than two kinds, is washed for further increasing anti-recontamination and being coated with The viewpoint of property, at least one kind of in nonionic surfactant preferably of more than two kinds are the alkylene oxide addition product or branch primary of secondary alcohol The alkylene oxide addition product of alcohol.In particular it is preferred to the R in these addition products and formula (a1)¹¹The group of compound when for straight-chain alkyl It closes, the combination of more preferable these addition products and polyoxyethylene fatty acid Arrcostab, the group of further preferred these addition products and MEE It closes.

As the alkylene oxide addition product of secondary alcohol, the following general formula (a2) compound represented can be enumerated (hereinafter, also referred to as " chemical combination Object (a2) ".).

R¹³-O-[(EO)_p/(PO)_q]-(EO)_r-H···(a2)

In formula (a2), R¹³The alkyl of the carbon atom number 6~22 of secondary alcohol is come from, EO indicates that oxyethylene group, PO indicate oxygen Acrylic, p indicate the averaged repeating numbers of EO, are 3~20 numbers, and q indicates the averaged repeating numbers of PO, are 0~6 numbers, and r indicates EO Averaged repeating numbers, be 0~20 number.

In formula (a2), R¹³Alkyl carbon atom number be 6~22, preferably 8~22, more preferable 10~18.

R¹³From raw alcohol (R¹³- OH), which is secondary alcohol.

P is 3~20 number for indicating the averaged repeating numbers (i.e. the average addition molal quantity of ethylene oxide) of EO, preferably 5~ 18。

Q is 0~6 number for indicating the averaged repeating numbers (i.e. the average addition molal quantity of propylene oxide) of PO, preferably 0~3.

R is 0~20 number for indicating the averaged repeating numbers (i.e. the average addition molal quantity of ethylene oxide) of EO, preferably 2~15.

When q is 1 or more, i.e., when compound (a2) has EO and PO, putting in order for EO and PO is unrestricted, can be random shape It is mixed in or block-wise is mixed in.[(EO) in general formula (a2)_p/(PO)_q] refer to that EO and PO are mixed in random shape or block-wise.Epoxy The addition method of ethane and propylene oxide is not particularly limited, and it can be mentioned, for example fronts to illustrating in the explanation of compound (a1) Method etc..

As the alkylene oxide addition product of branched-chain primary alcohol, it is (following also referred to as " to change that the following general formula (a3) compound represented can be enumerated It closes object (a3) ".).

[changing 3]

As the C in formula (a3)_xH_2x+1、C_yH_2y+1, straight-chain or branched-chain alkyl, preferably C can be enumerated respectively_xH_2x+1And C_yH_2y+1The two be straight-chain alkyl.As C_xH_2x+1、C_yH_2y+1, it is suitable it can be mentioned, for example methyl, ethyl, propyl, butyl, Amyl, hexyl.Particularly, C_xH_2x+1With C_yH_2y+1Combination, the preferably combination of ethyl and butyl or the combination of propyl and amyl (in these combinations, one of them can be any in both sides).

As compound (a3), it can be used and for example react resulting alcohol (Guerbet (Guerbet) to by Guerbet Alcohol) the addition compound of ethylene oxide.As above-mentioned Guerbet alcohol, it can be used and for example react primary alconol through Guerbet Handle resulting branched-chain primary alcohol.When stating " Guerbet alcohol " below, refers to and resulting alcohol is reacted by Guerbet.Herein " Guerbet reaction " refers to the following reaction of generation: when primary alconol is heated in the presence of metallic sodium or metallic potassium, two molecules occur Condensation generates the β primary alconols with branch, and (referring to following: " big organic chemistry aliphatic compound I of volume 2 ", small bamboo are without two heros Chief editor, towards storehouse bookstore nineteen fifty-seven issue).Resulting alcohol is reacted shown in the following general formula (a4) by Guerbet.

[changing 4]

In formula (a4), x and y are respectively 1~7 number.

The branched-chain primary alcohol of the preferred carbon atom number 8~12 of Guerbet alcohol.Composite can be used in such Guerbet alcohol Or commercially available product.Commercially available product can be enumerated, such as " ISOFOL12 " (x=in carbon atom number 12, formula (a4) of CONDEA company manufacture 4, y=6) etc..

Relative to the gross mass of liquid detergent, the content of (A) ingredient preferably 10~80 mass %, more preferable 20~70 matter Measure %, further preferred 25~50 mass %, particularly preferred 25~40 mass %.(A) content of ingredient within the above range when, Liquid detergent excellent for the washing force of oily dirt and that liquid stability is excellent can be easy to get.Particularly, (A) ingredient Content more than above-mentioned lower limit value when, liquid detergent can be assigned with high scourability.On the other hand, (A) ingredient contains When amount is below above-mentioned upper limit value, it is not susceptible to gelation, the stability of liquid detergent is improved.

(A) when ingredient contains polyoxyethylene fatty acid Arrcostab, relative to the gross mass of liquid detergent, polyoxyethylene rouge The content of fat acid alkyl ester preferably 10~50 mass %, more preferable 15~50 mass %, further preferred 20~40 mass %.It is poly- When the content of ethylene oxide fatty acid alkyl esters is more than above-mentioned lower limit value, high scourability can be played.On the other hand, polyoxy second When the content of alkene fatty acid alkyl esters is below above-mentioned upper limit value, epithelium formation and gelation can be inhibited.

(A) when ingredient contains the alkylene oxide addition product of secondary alcohol, relative to the gross mass of liquid detergent, the alkylene oxide of secondary alcohol The content of addition product preferably 1~30 mass %, more preferable 2~20 mass %, further preferred 3~10 mass %.The ring of secondary alcohol When the content of oxygen alkane addition product is more than above-mentioned lower limit value, it can assign liquid detergent higher coating scourability.It is another Aspect when the content of the alkylene oxide addition product of secondary alcohol is below above-mentioned upper limit value, can further suppress the viscosity of liquid detergent Increase.

(A) when ingredient contains the alkylene oxide addition product of branched-chain primary alcohol, relative to the gross mass of liquid detergent, branched-chain primary alcohol Alkylene oxide addition product content preferably 1~30 mass %, more preferable 2~20 mass %, further preferred 3~10 mass %. When the content of the alkylene oxide addition product of branched-chain primary alcohol is more than above-mentioned lower limit value, the higher coating of liquid detergent can be assigned and washed Wash performance.On the other hand, when the content of the alkylene oxide addition product of branched-chain primary alcohol is below above-mentioned upper limit value, liquid can be further suppressed The viscosity of body detergent increases.

< (B) ingredient >

(B) it (wherein, does not include higher fatty acid salt that ingredient, which is anionic surfactant,.).(B) ingredient can pass through conventional side Method is manufactured, or uses commercially available product.

As anionic surfactant, as long as anionic surfactant used in the liquid detergents such as existing dress material use , can enumerate, such as linear alkyl benzene sulfonic acid or its salt；Alpha-olefin sulfonic acid or its salt；Straight-chain or branched-chain alkyl sulfuric acid Ester or its salt；Polyoxyalkylene alkyl sulfuric ester or its salt；Polyoxyalkylene alkenyl ethers sulfuric ester or its salt；Alkane with alkyl Hydrocarbon sulfonate or its salt；Alpha-sulfo fatty acid ester or its salt；Alkyl ether carboxylic acid or its salt, polyoxyalkylene ether carboxylic acid or its salt, alkyl The carboxylic acid type anion table of amide ether carboxylic acid or its salt, alkenyl amide ether carboxylic acid or its salt, acyl amino carboxylic acid or its salt etc. Face activating agent；Alkyl phosphate or its salt, polyoxyalkylene alkyl phosphate or its salt, polyoxyalkylene alkyl phenyl phosphate ester or its Phosphate types anionic surfactants such as salt, glycerol fatty acid ester phosplate or its salt etc..

The form of the salt of these anionic surfactants can be enumerated, the alkali metal salts such as sodium, potassium；The alkali earth metal salts such as magnesium；It is single The alkanolamine etc. of ethyl alcohol ammonium, diethanol ammonium etc..

Among above-mentioned, linear alkyl benzene sulfonic acid or its salt, the preferably carbon atom number of straight chained alkyl be 8~16 straight chained alkyl Benzene sulfonic acid or its salt, the linear alkyl benzene sulfonic acid or its salt of the carbon atom number 10~14 of particularly preferred straight chained alkyl.

The carbon atom number of alkyl within the above range when, anti-recontamination can be improved.Alkyl can be enumerated, such as decyl, 11 Alkyl, dodecyl, tridecyl, myristyl.

Linear alkyl benzene sulfonic acid or its salt can be used commercially available product or manufactured by well known synthetic method.Well known manufacture Method can be by the way that alkylbenzene is carried out the method for sulfonation with sulfuric anhydride and manufacture.

Alpha-olefin sulfonic acid or its salt, preferably the alpha-olefin sulfonic acid or its salt of carbon atom number 10~20.

Alkyl sulfate or its salt, the preferably alkyl sulfate of carbon atom number 10~20 or its salt.

Polyoxyalkylene alkyl sulfuric ester or its salt preferably have the straight-chain or branched-chain alkyl of carbon atom number 8~20, The alkyl ether sulphate of the ethylene oxide of average 1~10 mole of addition or its salt (i.e. polyoxyethylene alkylether sulfuric ester or its Salt).Furthermore it is preferred that any or ethylene oxide of the alkylene oxide of carbon atom number 2~4 and propylene oxide (molar ratio be ethylene oxide/ Propylene oxide=0.1/9.9~9.9/0.1) average 0.5~10 mole of addition, straight-chain with carbon atom number 8~20 or The alkyl ether sulphate of branched-chain alkyl or its salt.

Polyoxyalkylene alkyl sulfuric ester or its salt can be indicated by such as the following general formula (b2).

R²¹-O-[(EO)_v/(PO)_w]-SO₃ ^-M⁺···(b2)

In formula (b2), R²¹It is the straight-chain or branched-chain alkyl of carbon atom number 8~20, EO indicates that oxyethylene group, PO indicate Oxypropylene group, v indicate the averaged repeating numbers of EO, are 0 or more numbers, and it is 0~6 number, 0 < v+ that w, which indicates the averaged repeating numbers of PO, w。M⁺It is counter cation.

R²¹Carbon atom number be 8~20, preferably 10~20, more preferable 12~14.R²¹It can enumerate, such as dodecyl, ten Trialkyl, myristyl etc..Wherein preferred dodecyl.

The averaged repeating numbers of EO are 0 or more, preferably 0.5 or more, more preferable 1 or more.Furthermore it is preferred that 10 hereinafter, more preferable 5 with Under, further preferred 3 hereinafter, particularly preferred 1.5 or less.

The averaged repeating numbers of PO preferably 0~3, more preferable 0.

M⁺It can enumerate, the alkali metal ions such as sodium ion, potassium ion；The alkaline-earth metals ion such as magnesium ion；Monoethanolamine, diethanol Cation derived from the alkanolamine of amine etc. etc..

When v and w is 1 or more, general formula (b2) compound represented with EO and PO when, putting in order for EO and PO is unrestricted System, can be that random shape is mixed in or block-wise is mixed in.[(EO) in general formula (b2)_v/(PO)_w] refer to EO and PO with random shape or Block-wise is mixed in.The addition method of ethylene oxide and propylene oxide is not particularly limited, and it can be mentioned, for example fronts to compound (a1) method etc. illustrated in explanation.

As polyoxyalkylene alkyl sulfuric ester or its salt, among general formula (b2) compound represented, particularly preferably have The alkyl of the linear chain or branched chain of carbon atom number 10~20, the epoxy of average 1~10 mole of addition (being more preferably averaged 1~5 mole) The compound of alkane.

(B) ingredient is used as by using polyoxyalkylene alkyl sulfuric ester or its salt, can inhibit in liquid detergent by yin from Enzyme denaturation caused by sub- surfactant.

Polyoxyalkylene alkyl sulfuric ester or its salt can be used commercially available product or manufactured by well known synthetic method.It is known Manufacturing method can be by making polyoxyalkylene alkyl and sulfuric acid anhydride reactant, or the method system reacted with chlorosulfonic acid It makes.

Polyoxyalkylene alkenyl ethers sulfuric ester or its salt, preferably with the straight-chain or branched chain of carbon atom number 8~20 Alkenyl, the alkenyl ether sulfuric ester or its salt (i.e. polyoxyethylene groups alkenyl ether sulphur of the ethylene oxide of average 1~10 mole of addition Acid esters or its salt).(molar ratio is furthermore it is preferred that any or ethylene oxide of the alkylene oxide of carbon atom number 2~4 and propylene oxide Ethylene oxide/propylene oxide=0.1/9.9~9.9/0.1) average 0.5~10 mole of addition, with the straight of carbon atom number 8~20 The alkenyl ether sulfuric ester or its salt of chain or branched alkenyl.

Alkane sulfonic acid or its salt can be enumerated, the alkane sulfonic acid or its salt that carbon atom number is 10~20, preferably carbon atom number 14~17 Alkane sulfonic acid or its salt, particularly preferred secondary alkane sulfonic acid or its salt.

Alpha-sulfo fatty acid ester or its salt, the preferably alpha-sulfo fatty acid ester salt of carbon atom number 10~20.

These anionic surfactants are easy to start on the market.Further, it is also possible to using being closed by well known method At compound.

These anionic surfactants can be with a kind of exclusive use or two or more appropriately combined use.

Anionic surfactant is preferably selected from linear alkyl benzene sulfonic acid or its salt, alkane sulfonic acid or its salt, polyoxyalkylene Alkyl ether sulphate or its salt (particularly, any or ethylene oxide of the alkylene oxide of carbon atom number 2~4 and propylene oxide (mole Than being ethylene oxide/propylene oxide=0.1/9.9~9.9/0.1) average 0.5~10 mole of addition, there is carbon atom number 8~20 Straight-chain or branched-chain alkyl alkyl ether sulphate salts), polyoxyalkylene alkenyl ethers sulfuric ester or its salt (particularly, carbon (molar ratio is ethylene oxide/propylene oxide=0.1/ to any or ethylene oxide of the alkylene oxide of atomicity 2~4 with propylene oxide 9.9~9.9/0.1) average 0.5~10 mole of addition, the straight-chain with carbon atom number 8~20 or branched alkenyl chain Alkene ether sulfuric acid) and the group that constitutes of alpha-olefin sulfonic acid or its salt in it is at least one kind of.In these, it is more preferably selected from straight chain alkane It is at least one kind of in the group that base benzene sulfonic acid or its salt and polyoxyalkylene alkyl sulfuric ester or its salt are constituted.

Relative to the gross mass of liquid detergent, the content of (B) ingredient is less than 50 mass %, preferably 1~35 mass %, more It is preferred that 3~25 mass %, further preferred 5~20 mass %, preferably 10~20 mass %.(B) content of ingredient is under above-mentioned When more than limit value, scourability, particularly coating washing force are further enhanced.On the other hand, the content of (B) ingredient is less than When above-mentioned upper limit value, the stability of liquid detergent is improved.

(B) ingredient contains linear alkyl benzene sulfonic acid or its salt (b1) and polyoxyalkylene alkyl sulfuric ester or its salt (b2) When, mass ratio represented by (b2)/(b1) is (below also referred to as " b2/b1 ratio ".) preferably 0.1~9, more preferable 0.5~9, further It is preferred that 1.5~9, particularly preferred 1~5.When b2/b1 ratio is more than above-mentioned lower limit value, the stability of liquid detergent is further obtained To raising.On the other hand, when b2/b1 ratio is below above-mentioned upper limit value, anti-recontamination is further enhanced.

In addition, mass ratio represented by (A) ingredient/(B) ingredient is (below also referred to as " A/B ratio ".) less than 3, preferably 0.5 with Above and less than 3, more preferable 1~2.5, further preferred 1.5~2.5.When A/B ratio is more than above-mentioned lower limit value, it is coated with washing performance It can be further enhanced.On the other hand, when A/B ratio is less than above-mentioned upper limit value, anti-recontamination and conventional wash are mentioned It is high.

In addition, the gross mass relative to liquid detergent, content summation preferably 15~80 matter of (A) ingredient and (B) ingredient Measure %, more preferable 30~70 mass %, further preferred 40~60 mass %.(A) the content summation of ingredient and (B) ingredient is upper When stating lower limit value or more, high coating scourability can be played.On the other hand, (A) ingredient and the content summation of (B) ingredient are less than When above-mentioned upper limit value, epithelium formation and gelation can be inhibited.

< (C) ingredient >

(C) ingredient is organic solvent shown in the following general formula (c1).(C) ingredient can manufacture by conventional method, can also make Use commercially available product.

[changing 5]

In formula (c1), R³¹~R³³It is each independently the alkyl of hydrogen atom or carbon atom number 1~3, R³⁴It is hydrogen atom or second Acyl group.

(C) ingredient can be enumerated, 3- methoxybutanol, 3- methoxyl group -3- methyl butanol, 3- methoxyl group -3- ethyl butanol, 3- Methoxyl group -3- propyl butanol, 3- methoxyl group -2- methyl butanol, 3- methoxyl group -2- ethyl butanol, 3- methoxyl group -2- propyl fourth Alcohol, 3- methoxyl group -1- methyl butanol, 3- methoxyl group -1- ethyl butanol, 3- methoxyl group -1- propyl butanol, 3- methoxybutyl second Acid esters, 3- methoxyl group -3- Methylbutyl acetate, 3- methoxyl group -3- ethyl-butyl acetic acid esters, 3- methoxyl group -3- butyl Acetic acid esters, 3- methoxyl group -2- Methylbutyl acetate, 3- methoxyl group -2- ethyl-butyl acetic acid esters, 3- methoxyl group -2- propyl fourth Yl acetate, 3- methoxyl group -1- Methylbutyl acetate, 3- methoxyl group -1- ethyl-butyl acetic acid esters, 3- methoxyl group -1- propyl Butylacetic acid ester.Wherein, preferably 3- methoxybutanol, 3- methoxyl group -3- methyl butanol, -2 methyl butanol of 3- methoxyl group, 3- first Oxy-1-methyl butanol, 3- methoxyl group-3- Methylbutyl acetate, more preferable 3- methoxyl group-3- methyl butanol.

(C) ingredient can be with a kind of exclusive use or two or more appropriately combined use.

Relative to the gross mass of liquid detergent, the content of (C) ingredient preferably 1~30 mass %, more preferable 2~20 matter Measure %, further preferred 3~10 mass %.(C) when the content of ingredient is more than above-mentioned lower limit value, gelation is inhibited, more Add the mobility for being easy to maintain liquid detergent.It is also improved further for the coating washing performance of ink dirt.On the other hand, Even if the content of (C) ingredient exceeds above-mentioned upper limit value, corresponding mobility improvement can not be also obtained, it is economically disadvantageous.

In addition, mass ratio represented by (B) ingredient/(C) ingredient is (below also referred to as " B/C ratio ".) preferably 0.1~15, it is more excellent Select 1~10, further preferred 2~5.When B/C ratio is more than above-mentioned lower limit value, high anti-recontamination performance can be played.Another party Face when B/C ratio is below above-mentioned upper limit value, can play high coating scourability.

< any ingredient >

Liquid detergent within the scope of the effect of the invention, can also containing (A) ingredient, (B) ingredient and (C) ingredient with Outer ingredient (any ingredient).

Any ingredient can be enumerated, usually used ingredient in liquid detergent, such as water, higher fatty acids or its salt, cation Solvent (other solvents), chelating agent, enzyme, hydrotropic other than surfactant, amphoteric surfactant, (C) ingredient and water Agent (such as polyethylene glycol, aromatic sulphonic acid or its salt etc.), builder, stabilizer, alkaline agent (such as monoethanolamine, diethanol Alkanolamines such as amine, triethanolamine etc.), metal ion scavenger, quality modifier, preservative, fluorescer, the anti-moving dye such as silicone Agent, pearling agent, antioxidant, antibacterial agent, the pigment general as colorant or pigment, emulsifier, fragrance, pH adjusting agent etc..

(water)

In liquid detergent of the invention, handling easiness when based on manufacture, when using dissolubility in water etc. viewpoint, Water is preferably comprised as the solvent other than (C) ingredient.

Relative to the gross mass of liquid detergent, the content of water preferably 5~45 mass %, more preferable 10~40 mass %.Water When content is more than above-mentioned lower limit value, good mobility and stability can be maintained.On the other hand, the content of water is on above-mentioned When below limit value, (A) ingredient, (B) ingredient and (C) ingredient can be contained in liquid detergent in optimum range.

(higher fatty acids or its salt)

Higher fatty acids or its salt, the preferably higher fatty acids of carbon atom number 10~20 or its salt, it can be mentioned, for example octanoic acids, the last of the ten Heavenly stems The single fats such as acid, lauric acid, myristic acid, palmitinic acid, stearic acid, isostearic acid, hydroxy stearic acid, oleic acid, behenic acid acid Or its salt；The fatty acid mixeds such as coco-nut oil fatty acid, tallow acid or its salt etc..

The form of the salt of higher fatty acids can be enumerated, the alkali metal salts such as sodium, potassium；The alkali earth metal salts such as magnesium；Monoethanol ammonium, diethyl Alkanolamines such as alcohol ammonium etc..

These higher fatty acids or its salt can be with a kind of exclusive use or two or more appropriately combined uses.

(cationic surfactant)

As long as cationic surfactant used in the liquid detergents such as the existing dress material use of cationic surfactant, It can enumerate, such as caprylamide diemethylamine, decyl amide diemethylamine, dodecanamide propyl dimethylamine, myristamide third Base dimethylamine, palmitamide diemethylamine, stearamidopropyl dimethylamine, behenyl amido propyl dimethylamine, oleamide propyl The long-chain fats such as dimethylamine race amidoalkyl group tertiary amine or its salt；Palmitate diemethylamine, stearate propyl-dimethyl amine Equal aliphatic esters alkyl tertiary amine or its salt；Palmitamide propyl diethanol amine, stearamide propyl diethanol amine；Alkyl trimethyl Quaternary ammonium compounds such as ammonium salt, dialkyl dimethyl ammonium salt, alkyl benzyl dimethyl ammonium salt, Fixanol etc..

Wherein, preferably long-chain fat race amidoalkyl group tertiary amine or its salt, more preferable caprylamide diemethylamine, decyl amide propyl two Methylamine, dodecanamide propyl dimethylamine, Myristic Amidopropyl dimethylamine, palmitamide diemethylamine, stearamide propyl Dimethylamine, behenyl amido propyl dimethylamine, oleamide diemethylamine or their salt.

These cationic surfactants can be with a kind of exclusive use or two or more appropriately combined use.

(amphoteric surfactant)

As long as amphoteric surfactant used in the liquid detergents such as the existing dress material use of amphoteric surfactant, can arrange Citing such as alkyl betaine-type, alkyl amido betaine type, imidazoline type, alkyl amino sulfonic acid type, alkyl aminocarboxylic acid's type, alkane The amphoteric surfactant of base amide carboxylic acid type, amidoamino acid type or phosphatic type etc..

These amphoteric surfactantes can be with a kind of exclusive use or two or more appropriately combined use.

(other solvents)

As long as solvent used in the liquid detergents such as the existing dress material use of other solvents, it can be mentioned, for example carbon atom numbers 2 ~4 monohydric alcohol, the polyalcohol of carbon atom number 2~4, glycol ether series solvent.

The monohydric alcohol of carbon atom number 2~4 can be enumerated, such as ethyl alcohol, 1- propyl alcohol, 2- propyl alcohol, n-butyl alcohol etc..

The polyalcohol of carbon atom number 2~4 can be enumerated, such as ethylene glycol, propylene glycol, butanediol, glycerine etc..

As glycol ether series solvent, preferred formula: R⁴¹-(OR⁴²)_uOH [in formula, R⁴¹It is the alkyl or phenyl of carbon atom number 1~6. R⁴²It is the alkylidene of carbon atom number 2~4.U indicates OR⁴²Averaged repeating numbers, be 1~5 number.] compound represented, it can arrange Citing as, ethylene glycol monobutyl ether, ethylene glycol mono hexyl ether, ethylene glycol list phenyl ether, propylene glycol list phenyl ether, diethylene glycol list Methyl ether, diethylene glycol monobutyl ether etc..

(chelating agent)

Liquid detergent of the invention contains the chelating agent for capableing of chelated metal ions.

Chelating agent can enumerate organic sequestering agent, can specifically enumerate citric acid, lactic acid, tartaric acid, oxalic acid, malic acid, glucose Bis- (the 2- amino second of acid, nitrilotriacetic acid, iminodiacetic acid, ethylenediamine tetra-acetic acid, diethylene triamine pentacetic acid (DTPA), ethylene glycol Base ether) tetraacethyl, hydroxyethyliminodiacetic acid, triethylenetetramine hexaacetic acid, ethane -1,1- di 2 ethylhexyl phosphonic acid, ethane -1,1,2- three Phosphonic acids, 1- hydroxyl ethane -1,1- di 2 ethylhexyl phosphonic acid, ethanehydroxy -1,1,2- tri methylene phosphonic acid, ethane -1,2- dicarboxyl -1,2- di 2 ethylhexyl phosphonic acid, The organic phospho acid derivative or their salt of methane hydroxyethylidene diphosphonic acid, aminotrimethylenephosphonic acid, ethylenediamine tetramethylene sulfonic acid etc. Deng.Wherein, more preferable 1- hydroxyl ethane -1,1- di 2 ethylhexyl phosphonic acid, ethylenediamine tetramethylene sulfonic acid, particularly preferred hydroxyl ethane -1 1-, 1- di 2 ethylhexyl phosphonic acid.

(enzyme)

When liquid detergent contains enzyme, liquid detergent is coated directly onto coating washing performance when washings and is further obtained It improves.

Enzyme can be enumerated, such as protease, amylase, lipase, cellulase, mannase etc..

As protease, preferably with serine, histidine and aspartic acid as serine protease, in molecule Protease.

Generally, the preparation containing protease (protease preparation) is commercially available.When preparing liquid detergent, this is usually used Kind protease preparation prepares protease.

Protease preparation can be enumerated, such as trade name Savinase16L, the Savinase Ultra that can be bought from Novozymes Company 16L、Savinase Ultra 16XL、Everlase 16L TypeEX、Everlase Ultra 16L、Esperase 8L、 Alcalase 2.5L、Alcalase Ultra 2.5L、Liquanase 2.5L、Liquanase Ultra 2.5L、 Liquanase Ultra 2.5XL,Coronase 48L；Trade name Purafect L that can be bought from Genencor company, Purafect OX, Properase L etc..

Diastase can be enumerated, such as trade name Termamyl 300L, the Termamyl that can buy from Novozymes Company Ultra 300L,Duramyl 300L,Stainzyme 12L,Stainzyme Plus 12L；It can be bought from Genencor company Trade name Maxamyl；The trade name プ Le ラナーゼアマノ that can be bought from amano enzyme preparation Co., Ltd.；It can be from biochemistry Learn the trade name DB-250 etc. that Industrial Co., Ltd buys.

Lipase preparation can be enumerated, such as trade name Lipex 100L, the Lipolase100L that can buy from Novozymes Company etc..

Cellulase preparation can be enumerated, such as ケアザイ system 4500L (trade name, Novozymes Company's system), ケアザイ system プレミア system 4500L (trade name, Novozymes Company's system), エ Application ドラーゼ 5000L (trade name, Novozymes Company's system), セ Le クリー Application 4500T (trade name, Novozymes Company's system) etc..

Mannase preparation can be enumerated, such as trade name Mannaway 4L that can be bought from Novozymes Company etc..

Above-mentioned enzyme can be with a kind of exclusive use or two or more appropriately combined use.

The content of enzyme is in terms of enzyme preparation, relative to the gross mass of liquid detergent, preferably 0.1~3 mass %.

In addition, the content summation of (A) ingredient contained in liquid detergent, (B) ingredient and (C) ingredient, relative to liquid The gross mass of detergent is no more than 100 mass %.When liquid detergent contains water and any ingredient, contain in liquid detergent (A) ingredient, (B) ingredient, (C) ingredient, water and any ingredient content summation, relative to the gross mass of liquid detergent, no More than 100 mass %.

In addition, the content summation of the whole components contained in liquid detergent is 100 mass %.

< manufacturing method >

Manufacture can be performed as follows in liquid detergent of the invention: for example by above-mentioned (A) ingredient, (B) ingredient and (C) ingredient, With any ingredient being added as needed, be dissolved in water, as needed using pH adjusting agent (such as monoethanolamine, diethanol amine, Triethanolamine, sodium hydroxide, potassium hydroxide etc.) it adjusts and arrives fixed pH.

< pH >

PH preferably 5~9, more preferable 6~8 at 25 DEG C of liquid detergent of the invention.

PH at 25 DEG C of liquid detergent within the above range when, can maintain better liquid detergent preservation stablize Property.

In the present invention, the pH of liquid detergent is that liquid detergent is adjusted to 25 DEG C, is worth using obtained by the measurement such as pH meter.

< function and effect >

In the liquid detergent of present invention mentioned above, by by (A) ingredient of extra fine quality ratio and (B) ingredient, with (C) at Subassembly, anti-recontamination is excellent, and it is also good to be coated with washing performance.In addition, the conventional wash of liquid detergent of the invention Property is also good.

Liquid detergent of the invention is suitable as dress material and washes agent by liquid.

The application method of liquid detergent can be enumerated, for example, at washing (common washing) by liquid detergent with wait wash Method that object is fitted into together in water impregnates in the liquid detergent aqueous solution that liquid detergent is dissolved in water to modulation in advance Method etc. to washings.Further, it is also possible to be coated directly onto liquid detergent to place a period of time, so on washings After commonly washed (coating washing).

Example to washings can be enumerated, such as the fibres such as clothes, napkin, towel class, sheet.

Liquid detergent is dissolved in the water in use, being for example preferably diluted to 5~5000 times (volume references).

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

(A) ingredient: contain the following general formula (a1) compound represented and the following general formula (a2) compound represented or following logical The nonionic surfactant of formula (a3) compound represented,

(B) ingredient: anionic surfactant (wherein, does not include higher fatty acid salt.),

(C) ingredient: organic solvent shown in the following general formula (c1),

Water,

The ingredient of addition is allowed as desired liquid detergent,

Relative to the gross mass of liquid detergent, the content of (B) ingredient less than 50 mass %,

(A) mass ratio represented by ingredient/(B) ingredient is less than 3.

R¹¹-X-[(EO)_s/(PO)_t]-R¹²···(a1)

(in formula (a1), R¹¹It is the alkyl of carbon atom number 6~22, X is the linker of divalent, R¹²It is hydrogen atom, carbon atom number 1~6 Alkyl or carbon atom number 2~6 alkenyl, EO indicate oxyethylene group, PO indicate oxypropylene group, s indicate EO average repetition Number is 3~20 number, and it is 0~6 number that t, which indicates the averaged repeating numbers of PO,.)

R¹³-O-[(EO)_p/(PO)_q]-(EO)_r-H···(a2)

(in formula (a2), R¹³The alkyl of the carbon atom number 6~22 of secondary alcohol is come from, EO indicates that oxyethylene group, PO indicate oxygen third Alkenyl, p indicate the averaged repeating numbers of EO, are 3~20 numbers, and q indicates the averaged repeating numbers of PO, are 0~6 numbers, and r indicates EO's Averaged repeating numbers are 0~20 numbers.)

[changing 6]

[changing 7]

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

(A) ingredient: nonionic surfactant,

(B) ingredient: containing linear alkyl benzene sulfonic acid or its salt (b1) and polyoxyalkylene alkyl sulfuric ester or its salt (b2) Anionic surfactant (wherein, does not include higher fatty acid salt.),

(C) ingredient: organic solvent shown in above-mentioned general formula (c1),

Water,

The ingredient of addition is allowed as desired liquid detergent,

(A) mass ratio represented by ingredient/(B) ingredient is less than 3.

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

(A) ingredient: nonionic surfactant,

(C) 3- methoxybutanol, 3- methoxyl group -3- methyl butanol, -2 methyl butanol of 3- methoxyl group, 3- methoxyl group-ingredient: are selected from The organic solvent of one or more of the group that 1- methyl butanol, 3- methoxyl group -3- Methylbutyl acetate are constituted,

Water,

The ingredient of addition is allowed as liquid detergent according to expectation,

(A) mass ratio represented by ingredient/(B) ingredient is less than 3.

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

(A) ingredient: contain above-mentioned general formula (a1) compound represented and above-mentioned general formula (a2) compound represented or above-mentioned logical The nonionic surfactant of formula (a3) compound represented,

Water,

(A) mass ratio represented by ingredient/(B) ingredient is less than 3.

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

(A) ingredient: containing in above-mentioned general formula (a1) ,-X- is-COO-, R¹²It is the polyoxyethylene fatty acid methyl that methyl, t are 0 The nonionic surfactant of ester and above-mentioned general formula (a2) compound represented or above-mentioned general formula (a3) compound represented,

(C) ingredient: the organic solvent containing 3- methoxyl group -3- methyl butanol,

Water,

(A) mass ratio represented by ingredient/(B) ingredient is less than 3.

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

(A) ingredient: nonionic surfactant,

(C) ingredient: organic solvent shown in above-mentioned general formula (c1),

Water,

Relative to the gross mass of liquid detergent, the content of (A) ingredient is 10~80 mass %, and the content of (B) ingredient is less than 50 Quality %, the content of (C) ingredient are 1~30 mass %, and the content summation of each ingredient be no more than 100 mass %,

(A) mass ratio represented by ingredient/(B) ingredient is less than 3.

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

(A) ingredient: nonionic surfactant,

(C) ingredient: organic solvent shown in above-mentioned general formula (c1),

Water,

Relative to the gross mass of liquid detergent, the content of (A) ingredient is 25~50 mass %, and the content of (B) ingredient is 1~35 Quality %, the content of (C) ingredient are 3~10 mass %, and the content summation of each ingredient be no more than 100 mass %,

(A) mass ratio represented by ingredient/(B) ingredient is 1~2.5.

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

(A) ingredient: nonionic surfactant,

(C) ingredient: organic solvent shown in above-mentioned general formula (c1),

Water,

Relative to the gross mass of liquid detergent, the content of (A) ingredient is 10~80 mass %, and the content of (B) ingredient is less than 50 Quality %, the content of (C) ingredient are 1~30 mass %, and (A) ingredient and the content summation of (B) ingredient are 15~80 mass %, and The content summation of each ingredient be no more than 100 mass %,

(A) mass ratio represented by ingredient/(B) ingredient is less than 3.

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

(A) ingredient: nonionic surfactant,

(C) ingredient: organic solvent shown in above-mentioned general formula (c1),

Water,

(A) mass ratio represented by ingredient/(B) ingredient is less than 3, and mass ratio represented by (B) ingredient/(C) ingredient is 0.1~ 15。

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

(A) ingredient: nonionic surfactant,

(C) ingredient: organic solvent shown in above-mentioned general formula (c1),

Water,

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

(A) ingredient: nonionic surfactant,

(C) ingredient: organic solvent shown in above-mentioned general formula (c1),

Water,

Relative to the gross mass of liquid detergent, the content of (A) ingredient is 25~50 mass %, and the content of (B) ingredient is 1~35 Quality %, the content of (C) ingredient are 3~10 mass %, and (A) ingredient and the content summation of (B) ingredient are 30~70 mass %, and The content summation of each ingredient be no more than 100 mass %,

(A) mass ratio represented by ingredient/(B) ingredient is 1~2.5, mass ratio represented by (B) ingredient/(C) ingredient is 2~ 5。

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

Water,

(A) mass ratio represented by ingredient/(B) ingredient is less than 3.

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

Water,

(A) mass ratio represented by ingredient/(B) ingredient is 1~2.5.

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

Water,

(A) mass ratio represented by ingredient/(B) ingredient is less than 3.

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

Water,

(A) mass ratio represented by ingredient/(B) ingredient is less than 3, and mass ratio represented by (B) ingredient/(C) ingredient is 0.1~ Mass ratio represented by 15, (b2)/(b1) is 0.1~9.

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

Water,

Other embodiments of the invention can be enumerated,

A kind of liquid detergent, contains following component:

Water,

(A) mass ratio represented by ingredient/(B) ingredient is 1~2.5, mass ratio represented by (B) ingredient/(C) ingredient is 2~ Mass ratio represented by 5, (b2)/(b1) is 0.5~9.

Embodiment

The present invention is described in detail by the following examples, but the present invention is not limited to records below.In addition, each The combined amount of ingredient used in example is then pure point of scaled value unless otherwise noted.

" using raw material "

As (A) ingredient, compound shown below is used.

A-1: using alkoxylating catalyst to coconut fatty acid methyl esters (by quality ratio, methyl laurate/myristic acid first The mixture of ester=8/2) compound (polyoxyethylene fatty acid methyl ester after 15 moles of comparable ethylene oxide of addition (MEE)).In above-mentioned general formula (a1), R¹¹Alkyl, the R of the straight chain of the alkyl and carbon atom number 13 of the straight chain of=carbon atom number 11¹² =methyl ,-X- are-COO-, s=15, t=0, narrow ditribution rate 33%.It is synthesized by following synthetic methods.

A-2: to compound (Co., Ltd. day after 7 moles of comparable ethylene oxide of secondary alcohol addition of carbon atom number 12~14 This catalyst system, trade name " Softanol70 ").In above-mentioned general formula (a2), R¹³Branched alkyl, the p=of=carbon atom number 12~14 7, q=0, r=0.

A-3: to the C12 alkene for obtaining butylene trimerizing for C13 alcohol obtained by carbonylation method, 10 moles of addition comparable Compound (C13 carbonylation synthesis alcohol ethoxylate) after ethylene oxide, (BASF AG's system, trade name " Lutensol TO10").In above-mentioned general formula (a3), x+y=11, m=10.

A-4: (poly- to the compound after 15 moles of comparable ethylene oxide of natural alcohol (primary alconol) addition of carbon atom number 12 and 14 Oxyethylene group alkyl ether (LMAO)).It is synthesized by following synthetic methods.

(synthetic method of A-1)

Based on synthetic method described in Japanese Unexamined Patent Publication 2000-144179 bulletin, according to following synthesis A-1.

Group is become into 2.5MgOAl₂O₃·wH₂Aluminum magnesium hydroxide (the Kyowa Chemical Industry Co., Ltd's system, trade name of O " Kyoward 300 ") it is calcined 1 hour under 600 DEG C, nitrogen ambient environment, obtain (unmodified) catalysis of calcinations of aluminum hydroxide magnesium Agent.By calcinations of aluminum hydroxide magnesium (unmodified) catalyst 2.2g, 0.5N potassium hydroxide-ethanol solution 2.9mL, methyl laurate 280g and methyl myristate 70g is added in 4L autoclave, and the modification of catalyst is carried out in autoclave.Then, by autoclave After being inside replaced into nitrogen, by temperature maintain 180 DEG C, pressure maintain 0.3MPa while, import ethylene oxide 1052g, stirring While be allowed to react.

The reaction solution of acquisition is cooled to 80 DEG C, adds water 159g, atlapulgite and each 5g of Gui diatomaceous earth respectively as filtration adjuvant After being mixed, it is separated by filtration catalyst and obtains A-1.

The narrow ditribution rate of A-1 is measured according to following sequences.

According to following determination conditions, the distribution of the different ethylene oxide adduct of addition molal quantity of ethylene oxide is measured, is passed through Above-mentioned mathematical expression (S) calculates narrow ditribution rate (quality %).

[determination condition of the ethylene oxide adduct distribution based on HPLC]

Device: LC-6A (Shimadzu Scisakusho Ltd's system).

Detector: SPD-10A.

Measure wavelength: 220nm.

Chromatographic column: Zorbax C8 (Du Pont Co. Ltd. system).

Mobile phase: acetonitrile/water=60/40 (volume ratio).

Flow velocity: 1mL/ points.

Temperature: 20 DEG C.

(synthetic method of A-4)

It is anti-that pressure resistant type is added in CO-1214 (trade name) 861.2g and 30 mass %NaOH aqueous solution 2.0g of Procter & Gamble's manufacture It answers in container, with nitrogen to being replaced in the reaction vessel.Then, it is dehydrated 30 minutes in 100 DEG C of temperature, pressure 2.0kPa or less Afterwards, temperature is warming up to 160 DEG C.Then, while being stirred to react liquid, ethylene oxide (vaporous) is slowly added into reaction solution 760.6g.At this point, ethylene oxide is added with gas blow pipe while adjusting adding speed, reaction temperature is kept to be no more than 180 DEG C.

After ethylene oxide adds, in 180 DEG C of temperature, after pressure 0.3MPa or less maturation 30 minutes, in 180 DEG C of temperature, pressure Power 6.0kPa or less distills out unreacted ethylene oxide 10 minutes.

Then, cooling temperature is neutralized to 70 mass % p-methyl benzenesulfonic acid after 100 DEG C or less, are added, and makes 1 matter of reactant The pH for measuring % aqueous solution is about 7, obtains A-4.

As (B) ingredient, compound shown below is used.

B-1: linear alkyl benzene sulfonic acid (LAS), (Lion Corporation's system, trade name " Lipon LH-200 ").

B-2: polyoxyalkylene alkyl sulfuric acid (AES), (polyoxyethylene lauryl ether sodium sulfovinate and polyoxyethylene groups The average addition molal quantity 1 of the mixture of myristyl ether sodium sulfovinate, EO).

As (C) ingredient, compound shown below is used.

C-1:3- methoxyl group -3- methyl butanol (Kuraray Corporation system, trade name " ソ Le Off ィット ").In above-mentioned general formula (c1), R³¹=methyl, R³²=hydrogen atom, R³³=hydrogen atom, R³⁴=hydrogen atom.

As any ingredient, compound shown below is used.

Coconut fatty acid: Japan Oil Co's system, trade name " coconut fatty acid ".

Ethyl alcohol (water miscibility organic solvent): Japanese alcohol trade Co., Ltd system, trade name " 95 degree of certain alcohols synthesis ".

PPG4000: polypropylene glycerol aether (Mitsui Chemicals, Inc's system, trade name " ア Network トコー Le T-4000 ", matter Average molecular weight 4000).

PTSH: p-methyl benzenesulfonic acid (Kyowa Hakkokogyo Co., Ltd's system, trade name " PTS acid ").

Sodium lactate (enzyme stabilizers): Kanto Kagaku K. K.'s system, trade name " sodium lactate ".

MGDA: 2 acetic acid of methylglycine, 3 sodium (BASF AG's system, trade name " Trilon M Liquid ").

Calcium chloride (enzyme stabilizers): Kanto Kagaku K. K.'s system, trade name " calcium chloride ".

Sodium benzoate (preservative): Toagosei Co., Ltd's system, trade name " sodium benzoate ".

Fragrance (fumet): spice composition A described in the table 11~18 of Japanese Unexamined Patent Publication 2002-146399 bulletin.

SR agent: soil release polymer (Clariant Amada Co., Ltd. system, trade name " TexCare SRN-170C ", the equal molecule of matter Amount: 2000~3000, pH (20 DEG C of 5 mass % aqueous solutions): 4, viscosity (20 DEG C): 300mPas).TexCare SRN- 170C is trade name: TexCare SRN-100 (Clariant Japanese firm system, matter average molecular weight: 70 matter 2000~3000) Measure % aqueous solution.

HP-20: the ethylene oxide adduct (BASF AG's system, trade name " Sokalan HP20 ") of polyethyleneimine.

Sodium hydroxide: Tsurumi Soda Co., Ltd.'s system, trade name " sodium hydroxide ".

Dichloro is raw (antibacterial agent): 4,4 '-two chloro- 2- hydroxy diphenyl ether (BASF AG's systems, trade name " Tinosan HP100”)。

Alkali protease (enzyme): Novozymes Company's system, trade name " Alcalase2.5L ".

Pigment (colorant): the sixth of the twelve Earthly Branches in the last of the ten Heavenly stems is melted into Co. Ltd. system, trade name " green 3 ".

MEA (alkaline agent): monoethanolamine (Nippon Shokubai Co., Ltd's system, trade name " monoethanolamine ").

Pure water: Kanto Kagaku K. K.'s system.

Examples 1 to 9, Comparative Examples 1 and 2

The preparation > of < liquid detergent

According to composition is mixed shown in table 1,2, addition (A) ingredient, (B) ingredient, (C) ingredient and any ingredient (wherein, do not include Sodium hydroxide and MEA.) after mixing, the pH in 25 DEG C of mixed liquor is adjusted to 7 using sodium hydroxide and MEA, liquid is prepared and washes Wash agent.In addition, the measurement of pH uses pH meter (the product name " HM-30G " of Japanese DKK-TOA company manufacture).

To the liquid detergent of each example of acquisition according to commenting below anti-recontamination, coating washing performance and conventional wash Valence.It the results are shown in Table 1,2.

< evaluates >

(evaluation of anti-recontamination)

Using the liquid detergent of each example, it is repeated 3 times washing procedure as shown below in sequence, rinses process, drying process, Carry out washing processing.In addition, using following cottons, polyester (PE) cloth, wet type artificial contamination cloth and personal lining as to washings Clothing.

Cotton: the cotton knitwear (valley head shop system) of 5 5cm × 5cm is used to determine cloth as recontamination.

PE cloth: use the polyester tropical (polyester tropical) (valley head shop system) of 5 5cm × 5cm as recontamination Determine cloth.

Wet type artificial contamination's cloth: the pollution cloth that 20 juridical persons wash scientific institution's manufacture (is attached with group as oleic acid 28.3%, triolein 15.6%, cholesterol acid ester 12.2%, atoleine 2.5%, squalene 2.5%, cholesterol 1.6%, Gelatin 7.0%, mud 29.8%, carbon black 0.5% (mass ratio) dirt cloth)

Tights: BVD tights (LL size, Fujiette Pty Ltd system) is cut into fritter (3cm × 3cm journey Degree).

Washing procedure:

In Terg-O-Tometer (Terg-o-tometer) (UNITED STATES TESTING corporation), 3 ° of 25 DEG C are added DH hard water 900mL adds the liquid detergent 0.6g of each example thereto, then, is packed into above-mentioned to washings.Thereafter, with 3 ° of DH Bath raio is adjusted to 20 times by hard water, is washed 10 minutes at 120rpm, 25 DEG C.

Rinse process:

After washing after washings is dehydrated 1 minute, 25 DEG C of 3 ° of DH hard water 900mL will be added, rinsed at 120rpm, 25 DEG C 3 minutes.It is repeated 2 times the operation (dehydration is rinsed).At the 2nd time, the soft of specified amount is added in 25 DEG C of 3 ° of DH hard water 900mL Soft dose is rinsed.Softening agent uses indoor seasoning Soflan (doing ソ Off ラ Application in portion room) (Lion Corporation's system).

Drying process:

Recontamination after washings is dehydrated 1 minute, will be only taken out after flushing and determines cloth (cotton), is clamped with filter paper, is used flatiron It is dry.

In addition it only takes out recontamination and determines cloth (PE cloth), clamped with filter paper, it is dry with flatiron.

Using beam splitting type colour difference meter (Nippon Denshoku Industries Co., Ltd.'s system, product name " SE200 "), before measuring washing processing Recontamination afterwards determines the reflectivity (Z value) of cloth (cotton), acquires Δ Z by following formula.Similarly, measurement is washed before and after the processing Recontamination determines the reflectivity (Z value) of cloth (PE cloth), acquires Δ Z by following formula.

Δ Z=(washing processing before Z value)-(washing treated Z value)

Δ Z in cloth is determined for the recontamination of cotton, finds out 5 average value, is washed based on following standards evaluation liquid Agent is washed to the anti-recontamination of cotton.For ◎ or zero, can determine whether for the anti-recontamination to cotton it is good.

◎: Δ Z (average value) less than 5.

Zero: Δ Z (average value) is 5 more than and less than 7.

△: Δ Z (average value) is 7 more than and less than 9.

×: Δ Z (average value) is 9 or more.

Similarly, the Δ Z in cloth is determined to the recontamination of PE cloth, finds out 5 average value, evaluate liquid based on following standards Anti- recontamination of the body detergent to PE cloth.For ◎ or zero, can determine whether for the anti-recontamination to PE cloth it is good.

◎: Δ Z (average value) less than 3.

Zero: Δ Z (average value) is 3 more than and less than 4.

△: Δ Z (average value) is 4 more than and less than 5.

×: Δ Z (average value) is 5 or more.

(evaluation of washing force: to the coating washing performance of ink dirt)

The cotton (cotton knitwear, valley head shop system) for being cut into 5cm × 5cm for 10 coats oiliness ball as evaluation cloth The oily ink of pen (ZEBRA corporation, trade name " Clip-on-Slim oiliness ball pen ") is made and is attached with oily ink dirt The ink dirt cloth of dirt.At this point, coating the circle of the diameter 2cm of oily ink in the center of cotton.

The ink dirt cloth is washed in the following order using the liquid detergent of each example.

The liquid detergent 0.05mL of each example is applied on the oily ink dirt adhered on ink dirt cloth, places 3 After minute, using the washing liquid for the liquid detergent for having dissolved each example of 6mL in water 15L, washed by following washing methods.

Use Terg-O-Tometer (UNITED STATES TESTING corporation) as decantation test device.In decantation test Above-mentioned ink dirt cloth and above-mentioned washing liquid after being packed into liquid detergent placement 3 minutes of 10 each examples of coating in device, are being bathed Than being washed 10 minutes at 30 times, 120rpm, 15 DEG C.Then, two-tub washing machine (Mitsubishi Electric Corporation's system, product are transferred to Kind " CW-C30A1-H1 "), after dehydration 1 minute, rinses 3 minutes, air-dry in 30L tap water (15 DEG C, 4 ゜ DH).

Ink dirt cloth to the ink dirt cloth before no evaluation cloth for adhering to oily ink dirt, washing and after washing, Reflectivity is measured by colour difference meter (Nippon Denshoku Industries Co., Ltd.'s system, product name " SE200 ") respectively, is calculated by following formula (1) Washing ratio (%) out.

Washing ratio (%)=(K/S of the ink dirt cloth after the K/S- washing of the ink dirt cloth before washing)/(before washing The K/S- evaluation of the ink dirt cloth K/S of cloth) } × 100 (1)

Wherein, K/S is formula: (1-R/100)²The value that/(2R/100) is acquired, R be ink dirt cloth before evaluation cloth, washing or The reflectivity (%) of ink dirt cloth after washing.

Washing ratio (%) is calculated to 10 ink dirt cloth, finds out its average value, according to following benchmark evaluations to ink dirt The coating washing performance of dirt.For ◎ or zero, can determine whether good to be coated with washing performance.

◎: Washing ratio (average value) is 40% or more.

Zero: Washing ratio (average value) is 35% more than and less than 40%.

△: Washing ratio (average value) is 30% more than and less than 35%.

×: Washing ratio (average value) is less than 30%.

(evaluation of washing force: for the conventional wash of lipstick dyeing dirt)

As the dirt of washing force evaluation, the lipstick (mouth of the typical example used as the compound dirt of oiliness shape for being not easy to fall It is red).It is smeared with finger and takes lipstick (Shiseido's system, trade name " scheming color make-up color lip gloss model is red "), be coated on 10 The design on fabric surface of piece PE cloth (the polyester torrid zone, valley head shop system), is made the lipstick dirt cloth for being attached with lipstick dirt.At this point, The center of PE cloth applies out the circle of diameter 3cm with lipstick.

By the lipstick dirt cloth using the washing liquid for the liquid detergent for having dissolved each example of 6mL in water 15L, pass through following washing sides Method is washed.

Use Terg-O-Tometer (UNITED STATES TESTING corporation) as decantation test device.It is washing 10 above-mentioned lipstick dirt cloth, washing looped fabric and above-mentioned washing liquid are packed into exerciser, in 30 times of bath raio, 120rpm, 15 DEG C Lower washing 20 minutes.Then, two-tub washing machine (Mitsubishi Electric Corporation's system, product kind " CW-C30A1-H1 ") are transferred to, are taken off It after water 1 minute, rinses 3 minutes, air-dries in 30L tap water (15 DEG C, 4 ゜ DH).

To the lipstick dirt cloth before washing and the lipstick dirt cloth after washing, colour difference meter (Nippon Denshoku Industries Co., Ltd. is used System, product name " SE200 ") respective a value is measured respectively, by following formula 2) calculate Washing ratio (%).

Washing ratio (%)={ lip before (a value of the lipstick dirt cloth after a value-washing of the lipstick dirt cloth before washing)/washing The a value of cream dirt cloth } × 100 (2)

Washing ratio (%) is calculated to 10 lipstick dirt cloth, finds out its average value, is evaluated based on following standards for lipstick Dye the conventional wash of dirt.For ◎ or zero, can determine whether for conventional wash it is good.

◎: Washing ratio (average value) is 60% or more.

Zero: Washing ratio (average value) is 50% more than and less than 60%.

△: Washing ratio (average value) is 40% more than and less than 50%.

×: Washing ratio (average value) is less than 40%.

[table 1]

[table 2]

In table 1,2, " surplus " refers to the mixing of water (pure water) required for reaching 100 mass % in liquid detergent entirety It measures (quality %).

In addition, " A+B " indicates the content summation of (A) ingredient and (B) ingredient in liquid detergent." A/B ratio " be (A) ingredient/ (B) mass ratio represented by ingredient." B/C ratio " is mass ratio represented by (B) ingredient/(C) ingredient." B-2/B-1 ratio " is B- Mass ratio represented by 2/B-1.

As known from Table 1, the anti-recontamination of the liquid detergent of each embodiment is excellent, and it is also good to be coated with washing performance.This Outside, for the liquid detergent of each embodiment compared with the liquid detergent of Comparative Examples 1 and 2, conventional wash is also excellent.

On the other hand, as known from Table 2, A/B is poorer than the anti-recontamination of the liquid detergent of the comparative example 1 for 5.00.

The coating washing performance of the liquid detergent of comparative example 2 without (C) ingredient is poor.

Utilization possibility in industry

Claims

1. a kind of liquid detergent, contains:

(A) ingredient: nonionic surfactant,

(B) ingredient: anionic surfactant, wherein it does not include higher fatty acid salt,

(C) ingredient: organic solvent shown in the following general formula (c1)；

(B) content of ingredient is less than 50 mass %,

(A) mass ratio represented by ingredient/(B) ingredient is less than 3；

[changing 1]

In formula (c1), R³¹~R³³It is each independently the alkyl of hydrogen atom or carbon atom number 1~3, R³⁴For hydrogen atom or acetyl Base.

2. liquid detergent according to claim 1, wherein (C) ingredient is 3- methoxyl group -3- methyl butanol.

3. liquid detergent according to claim 1 or 2, wherein (A) ingredient contains nonionic table of more than two kinds Face activating agent, at least one kind of among above-mentioned nonionic surfactant of more than two kinds are the alkylene oxide addition product or branch of secondary alcohol The alkylene oxide addition product of primary alconol.