WO2012144254A1 - 液体洗浄剤組成物 - Google Patents
液体洗浄剤組成物 Download PDFInfo
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- WO2012144254A1 WO2012144254A1 PCT/JP2012/053313 JP2012053313W WO2012144254A1 WO 2012144254 A1 WO2012144254 A1 WO 2012144254A1 JP 2012053313 W JP2012053313 W JP 2012053313W WO 2012144254 A1 WO2012144254 A1 WO 2012144254A1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/835—Mixtures of non-ionic with cationic compounds
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3947—Liquid compositions
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/62—Quaternary ammonium compounds
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
Definitions
- this recurrent raw dry odor is that it is odorless or hardly odorless after washing and drying sufficiently, but odor is generated due to moisture.
- this freshly dried odor is likely to occur when stored in a chase for a long time.
- textile products that are frequently used in contact with human skin, such as underwear, handkerchiefs, or towels, and are frequently used for a short period of the cleaning-use cycle, are in use once this recurrent dry-dry odor occurs.
- the odor often recurs, and as the number of washings increases, the odor intensity of a recurrent dry odor tends to increase.
- Japanese Patent Application Laid-Open No. 2009-263812 discloses a technique for suppressing a raw dry odor using a bactericide.
- Japanese Patent Application Laid-Open No. 2008-173441 discloses a volatile sulfur compound production inhibitor by enzyme inhibition using a specific perfume ingredient.
- a liquid bleaching agent containing hydrogen peroxide, a cationic surfactant and a nonionic surfactant is also known.
- Japanese Patent Application Laid-Open No. 9-59675 discloses a liquid bleach composition in which a perfume is blended with a nonionic surfactant having 5 to 12 hydrogen peroxide and HLB and an anionic surfactant or a cationic surfactant.
- Other liquid bleaching compositions containing such nonionic and cationic surfactants include JP-A-9-188895 and JP-A-9-217090.
- a liquid detergent composition containing hydrogen peroxide which increases the detergency by changing the pH to alkaline when diluting water during use by blending a boron compound and a polyhydric alcohol. JP-A-2007-169530 and JP-A-2007-177145.
- JP 2006-169515 discloses a liquid detergent composition containing hydrogen peroxide, a boron compound, a hydroxy compound, a bleach activator, a surfactant and water.
- JP 2007-106903 discloses a liquid bleach detergent composition containing hydrogen peroxide, a boron compound, a hydroxy compound, a bleach activator, a nonionic surfactant and a quaternary ammonium salt.
- JP 2010-059296 discloses a liquid detergent composition containing hydrogen peroxide, an acid agent and a surfactant.
- JP 2011-063784 discloses a liquid detergent composition containing a nonionic surfactant, an anionic surfactant and a water-miscible organic solvent.
- JP 2010-265445 discloses a liquid detergent composition containing a nonionic surfactant, an anionic surfactant, a cationic surfactant and a water-miscible organic solvent.
- Japanese Patent Application Laid-Open No. 2011-116932 distributed on June 18, 2011 discloses a detergent composition for textile products containing a nonionic surfactant and a cationic surfactant.
- JP 2011-168730 distributed on September 1, 2011 discloses a surfactant composition comprising a nonionic surfactant and a nonionic compound.
- JP 2011-168731 distributed on September 1, 2011 discloses a liquid detergent composition containing a nonionic surfactant, a hydrophobic organic solvent and water.
- Japanese Patent Application Laid-Open No. 2011-168732 distributed on September 1, 2011 discloses a liquid detergent composition containing a nonionic surfactant, a nonionic compound, a water-soluble salt and water.
- JP 2011-168733 which was distributed on September 1, 2011, discloses a liquid detergent composition containing a nonionic surfactant, a cationic compound, a nonionic compound and water.
- JP 2011-168734 distributed on September 1, 2011 discloses a liquid detergent composition containing a nonionic surfactant, hydrogen peroxide, a hydrocarbon, an organic acid and water.
- JP 2011-246585 distributed on December 8, 2011, discloses a liquid detergent composition containing a surfactant, a hydrotrope, hydrogen peroxide, a water-miscible solvent and water.
- the present invention relates to a nonionic surfactant (A) [hereinafter referred to as component (A)] of 15 to 70% by mass, a cationic surfactant (B) represented by the following general formula (B1) , (B) component] is 0.3 to 5% by mass, hydrogen peroxide (D) (hereinafter referred to as component (D) is) 0.3 to 10% by mass, and a liquid detergent composition containing water Because (A) 0.5 to 10% by mass of a nonionic compound (A1) represented by the following general formula (A1) is contained in the composition as at least a part of the component; The ratio of the anionic surfactant (c1) other than the fatty acid and its salt to the component (B) is 0 to 1 in mass ratio of (c1) / (B), The pH at 20 ° C.
- R—O— (C 2 H 4 O) x —H (A1) [Wherein R is a linear alkyl group having 12 carbon atoms, and the carbon atom of R bonded to the oxygen atom of R—O— is a primary carbon atom. x is the number of moles of ethyleneoxy group added and is an integer of 2 to 5. ]
- R b1 is a chain hydrocarbon group having 12 to 18 carbon atoms, and — (A′O) s — may be contained in R b1 .
- A′O is an ethyleneoxy group or a propyleneoxy group
- s represents an average addition mole number of A′O and is 0 to 10
- R b2 , R b3 and R b4 are each independently a methyl group, ethyl A group, a benzyl group or a hydroxyalkyl group having 1 to 3 carbon atoms
- X ⁇ is CH 3 SO 4 — or CH 3 CH 2 SO 4 ⁇ , a halogen ion.
- the present invention also relates to a method for washing a textile product with an aqueous solution in which the liquid detergent composition of the present invention is dissolved in water.
- the nonionic surfactant (A) [hereinafter referred to as component (A)] is 15 to 70% by mass, the cationic surfactant (B) represented by the following general formula (B1) [hereinafter, A liquid detergent composition containing 0.3 to 5% by mass of component (B), 0.3 to 10% by mass of hydrogen peroxide (D) (hereinafter referred to as component (D)), and water.
- the ratio of the anionic surfactant (c1) other than the fatty acid and its salt to the component (B) is 0 to 1 in mass ratio of (c1) / (B), JIS K3362: 1998, which has a step of generating bubbles by applying a liquid detergent composition to a fiber product having a pH of 3.0 to 7.0 at 20 ° C. described in Section 8.3 of the product.
- the cleaning method is 0.5 to 10% by mass of a nonionic compound (A1) represented by the following general formula (A1) as a component.
- the ratio of the anionic surfactant (c1) other than the fatty acid and its salt to the component (B) is 0 to 1 in mass ratio of (c1) / (B), JIS K3362: 1998, which has a step of generating bubbles by applying a liquid detergent composition to a fiber product having a pH
- R—O— (C 2 H 4 O) x —H (A1) [Wherein R is a linear alkyl group having 12 carbon atoms, and the carbon atom of R bonded to the oxygen atom of R—O— is a primary carbon atom. x is the number of moles of ethyleneoxy group added and is an integer of 2 to 5. ]
- R b1 is a chain hydrocarbon group having 12 to 18 carbon atoms, and — (A′O) s — may be contained in R b1 .
- A′O is an ethyleneoxy group or a propyleneoxy group
- s represents an average addition mole number of A′O and is 0 to 10
- R b2 , R b3 and R b4 are each independently a methyl group, ethyl A group, a benzyl group or a hydroxyalkyl group having 1 to 3 carbon atoms
- X ⁇ is CH 3 SO 4 — or CH 3 CH 2 SO 4 ⁇ , a halogen ion.
- this invention is a use which wash
- the present inventors have conducted intensive studies from the viewpoints of causative substances, causative bacteria, and generation mechanisms of raw dry odors based on the washing and use of textile products.
- the present inventors have not only a fresh dry odor as a fresh dry odor but also a wet state until the drying after washing, as well as a recurrent property that is reappeared when the textile is sufficiently dried and then wetted. Focusing on the raw dry odor, new knowledge was obtained. That is, the recurrent raw dry odor of a textile product is surprisingly that microorganisms, especially bacteria, can survive or grow in the textile product, even after the dry odor has been sufficiently removed by drying after washing.
- the present inventors not only suppress the production of conventional raw dry odor but also an effective liquid for suppressing the generation of recurrent raw dry odor, particularly 4-methyl-3-hexenoic acid odor.
- a detergent composition was developed.
- the presence of bacteria in the textile product forms a bubble that is easy to visually recognize. Can be performed.
- nonionic surfactant (A) examples include nonionic surfactants having a chain hydrocarbon group having 8 to 22 carbon atoms in the molecule and a hydrophilic group such as an ethyleneoxy group or a hydroxy group. Can be mentioned. Furthermore, polyoxyalkylene alkyl or alkenyl ether having an ethyleneoxy group as an alkyleneoxy group, polyoxyalkylene alkyl having an ethyleneoxy group as an alkyleneoxy group (and alkyl having 1 to 3 carbon atoms) ether fatty acid ester, alkylpolyglycoside , Alkyl glycosides, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, other polysaccharide surfactants, fatty acid monoglycerides, fatty acid alkanolamides, polyhydroxy fatty acid amides, polyglycerin fatty acid esters, polyglycerin alkyl ethers, and the like.
- the component (A) is preferably at least one nonionic surfactant selected from the following (a1) to (a5). More preferably, the following (a1) and / or (a2) and (a3) are used in combination, and the detergency, deodorizing effect, and visibility due to foaming in contact with a textile product containing bacteria ( Hereinafter, from the viewpoint of foaming visibility), it is even more preferable to use (a1) and (a3) in combination.
- the foaming property by coating is preferably the surfactant (a1) having a PO group. The preferred requirements of (a1), (a2) and (a3) were also described subsequently.
- the carbon atom of R 3a bonded to the oxygen atom of R 3a —O— is a primary carbon atom and / or a secondary carbon atom.
- r is an average added mole number, and is a number of 2 or more and less than 8.
- component (a4) Polyglycerin alkyl or alkenyl ether type nonionic surfactant (hereinafter referred to as component (a4))
- component (a5) polysaccharide type surfactant (hereinafter referred to as component (a5))
- p in the general formula (a1) is an average added mole number of ethyleneoxy group (C 2 H 4 O, hereinafter sometimes referred to as EO group).
- EO group ethyleneoxy group
- 40 preferably 10 to 40, more preferably 14 to 35, and even more preferably 16 to 30.
- q is the average number of moles of AO groups added, and is 0 to 5, preferably 1 to 5, more preferably 1 to 4, and still more preferably 1 to 3 from the viewpoint of cleaning performance.
- p is preferably 18 to 35, more preferably 20 to 30.
- R 1a has 10 to 18 carbon atoms, more preferably 12 to 16, and the carbon atom of R 1a bonded to the oxygen atom of R 1a —O— is the first carbon atom.
- the nonionic compound of the general formula (A1) since the nonionic compound of the general formula (A1) has strong hydrophobicity, the nonionic compound represented by the general formula (A1) includes a large number of added moles of ethyleneoxy group and a highly hydrophilic surfactant. An ionic compound can be stably contained in the composition, and this effect can be exhibited.
- the liquid detergent composition by having a propyleneoxy group, not only can the liquid detergent composition be further stabilized and detergency can be obtained, but in the case of application, it is easy to foam and easily visible in the presence of bacteria, but immediately thereafter. Bubbles are easy to disappear and the liquid detergent composition has excellent permeability into the fiber. From this viewpoint, in the present invention, it is preferable to use a nonionic surfactant (a1 ′) as the component (A).
- “/” means that the relationship between the EO group and the AO group of the component (a1) of the present invention may be either a random bond or a block bond.
- the AO group may be separated as a plurality of block bodies.
- nonionic surfactant represented by the general formula (a1) examples include nonionic surfactants represented by the following general formulas (a1-1) to (a1-6).
- R 1a O- (AO) q- (C 2 H 4 O) p H (a1-1) R 1a O- (C 2 H 4 O) p- (AO) q H (a1-2)
- p13 is preferably from 0.1 to 10.
- the range of p11, p12, and p13 shall depend on each range condition of p and q thru
- each ethylene oxide or propylene oxide added to 1 mol of R 1a OH and the average number of added moles of the alkyleneoxy group represented by each general formula are substantially the same. However, depending on the production method, it may be different in the present invention.
- a more preferable nonionic surfactant has a structure of the general formula (a1-5) or (a1-6), and more preferably a structure of the general formula (a1-5).
- p11 / (p11 + p12) is preferably 0.2 to 0.8.
- Step A Addition reaction of ethylene oxide at a ratio of 4 to 14 moles, preferably 8 to 12 moles (the numerical range may be defined as p11 in the above formula) per mole of R 1a OH .
- Step B Next, 1 to 3 moles of propylene oxide, preferably 2 to 3 moles (the numerical range may be defined as q in the above formula) and 0 to 4 moles of ethylene oxide (the numerical range is within the above formula) (Which may be defined as p13 of the above) is subjected to a random or block addition reaction.
- Step C Thereafter, ethylene oxide is added again by 4 to 14 mol, preferably 8 to 12 mol (the numerical range may be defined as p12 in the above formula).
- Process D The process for the catalyst used for reaction is performed. For example, when an alkali catalyst is used, it is neutralized with an acid, and when it is a solid catalyst, filtration is performed.
- R 2a is an alkyl group or alkenyl group having 8 to 22 carbon atoms, preferably an alkyl group or alkenyl group having 10 to 18 carbon atoms, more preferably 12 to 14 carbon atoms, More preferably, it is a linear alkyl group having 12 to 14 carbon atoms.
- R 21a is an alkyl group having 1 to 3 carbon atoms, preferably a methyl group.
- l is a number of 0 or 1, more preferably a number of 1.
- AO is an alkyleneoxy group having 3 to 5 carbon atoms, and is obtained by addition reaction of alkylene oxide having 3 to 5 carbon atoms.
- the AO group is preferably an oxypropane-1,2-diyl group (hereinafter, in the present invention, the oxypropane-1,2-diyl group may be a propyleneoxy group or a PO group).
- m and n are the average number of moles added, and m is preferably 5 to 30, more preferably 8 to 25, still more preferably 10 to 20, and n is preferably a number of 0 to 5, and more preferably 0 to 3.
- AO is preferably an oxypropane-1,2-diyl group (hereinafter, in the present invention, the oxypropane-1,2-diyl group may be a propyleneoxy group or a PO group), m is 5 to 30, Is preferably 8 to 25, more preferably 10 to 20. In the case of the general formula (a2-3), m is preferably 10 to 30.
- the preferred embodiment of the component (a3) is as follows.
- R 3a is an alkyl group or alkenyl group having 8 to 22 carbon atoms, preferably an alkyl group or alkenyl group having 10 to 18 carbon atoms, more preferably 12 to 14 carbon atoms, More preferably, it is a linear alkyl group having 12 to 14 carbon atoms.
- the carbon atom of R 3a bonded to the oxygen atom of R a3 —O— is a primary carbon atom and / or a secondary carbon atom.
- an alkyl group or an alkenyl group having a secondary carbon atom may be expressed as a straight chain in order to be separated from a branched hydrocarbon group.
- the average addition mole number r of the ethyleneoxy group is 2 or more and less than 8, preferably 2.5 to 7.5, more preferably 3 to 7.
- a method of adding ethylene oxide to the primary alcohol can be mentioned.
- a method of adding ethylene oxide to a secondary alcohol or reacting ethylene oxide with a 1-olefin or an internal olefin Known production methods such as a method of reacting polyethylene glycol with olefin and a method of adding ethylene oxide by introducing a hydroxyl group into n-paraffin can be used.
- the component (a4) is preferably a compound represented by the following general formula (a4).
- R 4a is an alkyl group or alkenyl group having 8 to 22 carbon atoms.
- AO is an ethyleneoxy group or propyleneoxy group
- Gly is a residue derived from glycerin
- s is an average addition mole number of AO
- t is an average addition mole number of Gly
- s is 0 to 5
- t is 2 to 10 It is. / Indicates that AO and Gly may be random or block.
- AO and Gly may be random or block.
- R 4a in the formula (a4) is preferably from 12 to 16 carbon atoms, more preferably 12 or 14 carbon atoms, also straight-chain alkyl group, for R 4a to bind to inter alia R 4a -O- oxygen atoms
- R 4a straight chain alkyl groups in which the carbon atom is the first carbon atom are preferred.
- s is preferably 0.
- t represents the average number of moles added and is preferably 2 to 5.
- a mixture containing one or more, more preferably two or more compounds having t ′ of 3, 4 or 5 is preferred.
- the total ratio of the compounds whose t ′ is 3, 4 or 5 is preferably 40% by mass or more, more preferably 60% by mass or more, still more preferably 80% by mass or more, From the viewpoint of low-temperature cleaning performance, it is preferably 99% by mass or less, more preferably 90% by mass or less, and still more preferably 85% by mass or less.
- the proportion of the compound having t 'of 1 or 2 in the mixture is preferably less than 50% by mass, and more preferably less than 35% by mass.
- Examples of the component (a5) include polysaccharide-type surfactants represented by the following general formula (a5).
- R 5a- (OR 51a ) x Z y (a5) [Wherein R 5a is an alkyl or alkenyl group having 8 to 18 carbon atoms, R 51a is an alkylene group having 2 to 4 carbon atoms, Z is a residue derived from a reducing sugar having 5 or 6 carbon atoms, x is an average The number of moles added, x is a number from 0 to 6, y is the average degree of condensation, and y is a number from 1 to 10. ]
- R 5a is preferably 12 to 16 carbon atoms, more preferably 12 or 14 carbon atoms, also straight-chain alkyl group, the R 5a to bind to inter alia R 5a -O- oxygen atom carbon
- a straight-chain alkyl group in which the atom is the first carbon atom is preferred.
- x is preferably 0.
- Z is preferably a glucose residue.
- the average degree of condensation of y is preferably 1.2 to 3.
- the total ratio of compounds in which y ′ is 1, 2 or 3 is preferably 60% by mass or more, and more preferably 80% by mass or more.
- the liquid detergent composition of the present invention contains, as component (A), a nonionic compound represented by the following general formula (A1) [hereinafter sometimes referred to as component (A1)].
- component (A1) a nonionic compound represented by the following general formula (A1) [hereinafter sometimes referred to as component (A1)].
- R—O— (C 2 H 4 O) x —H (A1) [Wherein R is a linear alkyl group having 12 carbon atoms, and the carbon atom of R bonded to the oxygen atom of R—O— is a primary carbon atom.
- x is the number of moles of ethyleneoxy group added and is an integer of 2 to 5. ]
- R in the general formula (A1) is straight-chain alkyl having 12 carbon atoms, and the hydrocarbon group of the alkyl group bonded to oxygen is the first carbon atom. is important.
- the nonionic compound (A1) is used in combination with the cationic surfactant (B), which suppresses the generation of odors in textile products caused by fresh drying, mainly 4M3H, which has been difficult to remove. As well as being able to control recurrent, dry odors.
- x in the general formula (A1) is 3, 4 because a compound having 3, 4 and 5 moles of EO group is excellent in the effect of suppressing a raw dry odor, particularly a recurring raw dry odor. Or 5 is preferable.
- the total of the compounds where x in the general formula (A1) is 3, 4 or 5 preferably occupies 70 to 100% by mass, more preferably 80 to 100% by mass.
- the component (A1) may be a compound having a single number of added moles of polyethyleneoxy groups synthesized in the composition of the present invention, or a polyoxyethylene alkyl ether having a different number of added moles of ethyleneoxy groups. It can mix
- the component (A1) may be, for example, a component derived from the component (a1) or the component (a3), and when derived from the component (a3), R 3a in the general formula (a3) is A straight-chain alkyl group having 12 carbon atoms, and the carbon atom of R 3a bonded to the oxygen atom of R 3a —O— is the first carbon atom.
- the component (A1) may be the same as the component (a3).
- R 3a is a linear alkyl group having 12 carbon atoms, the carbon atom of R 3a bonded to the oxygen atom of R a3 —O— is the first carbon atom, and an ethyleneoxy group
- the average added mole number r can be 2, 3, 4 or 5, and therefore such a compound is used as the component (A1). be able to. That is, the component (a3) may include the component (A1).
- (A1) component may be used in combination of two or more.
- the ratio of the unreacted alcohol and the compound having 1 mol of EO group that is, the aliphatic alcohol having a hydrocarbon group having 8 to 22 carbon atoms and the compound having 1 mol of EO group added to the alcohol is (A)
- the content is preferably 10% by mass or less, more preferably 5% by mass or less, and still more preferably 3% by mass or less.
- the lower limit is considered after considering the energy and environment required for the distillation process.
- the total concentration of the nonionic surfactants (a1) to (a5), and further the (a1) to (a3) components listed as specific examples of the nonionic surfactant occupy the component (A).
- the proportion is preferably 50 to 100% by mass, more preferably 60 to 100% by mass, and even more preferably 80 to 100% by mass.
- the liquid cleaning composition of the present invention contains the component (A1) and the component (B) stably in the composition, and in order to sufficiently exert the cleaning power and the effect of suppressing the dry odor, the components (A) and ( The component A) is preferably contained so as to satisfy at least one of the following conditions (1) to (8).
- Condition (1) The component (A) is contained in the liquid detergent composition in an amount of 20 to 65% by mass, preferably 25 to 60% by mass.
- Condition (2) The component (A1) is contained in the liquid detergent composition in an amount of 1 to 8% by mass, preferably 2 to 5% by mass.
- Condition (3) The component (a1) is contained as the component (A).
- the component (a1) is contained in the liquid detergent composition in an amount of 15 to 55% by mass, preferably 20 to 50% by mass.
- X ⁇ in the general formula (B1), which is the counter ion of the component (B), is preferably CH 3 SO 4 — or CH 3 CH 2 SO 4 — in order to obtain a sufficient odor suppressing effect.
- the cationic surfactant of the component (B) for example, the following (b1) to (b4) can be used, but it is more preferable to contain a compound selected from (b1) and (b3). It is preferable that the compound of (b1) accounts for 50% by mass or more, further 60% by mass or more, and more preferably 80% by mass or more in the component (B).
- the carbon number of R b1 is preferably 12 to 16, more preferably 14 to 16, and the chain hydrocarbon group is preferably a linear alkyl group, Those derived from natural fats and oils are preferred.
- the counter ion is preferably CH 3 SO 4 — or CH 3 CH 2 SO 4 — .
- (B1) A quaternary ammonium salt in which R b1 in the general formula (B1) is a linear alkyl group having 12 to 18 carbon atoms, and R b2 to R b4 are each a methyl group or an ethyl group.
- (B2) A quaternary ammonium salt in which R b1 in formula (B1) is a branched alkyl group having 12 to 18 carbon atoms, and R b2 to R b4 are each a methyl group or an ethyl group.
- R b1 in the general formula (B1) is a linear alkyl group having 12 to 18 carbon atoms, and R b3 and R b4 are each a methyl group or an ethyl group.
- R b1 in formula (B1) is a linear alkyl group having 12 to 18 carbon atoms, s is 1-5, with R b2, R b3, R b4 are each a methyl group or an ethyl group A quaternary ammonium salt.
- the cationic surfactant of the component can be combined with the nonionic compound (A1) to suppress the growth of odor-causing bacteria in textile products having excellent drying resistance. That is, among the freshly dried odors, the fiber product is sufficiently dried, and then exhibits a remarkable inhibitory effect on the recurrent freshly dried odors that turn back by being dampened. That is, it works effectively to suppress the generation of the medium chain fatty acid odor mainly composed of 4-methyl-3-hexenoic acid.
- the liquid detergent composition of the present invention contains component (B) in an amount of 0.3 to 5% by mass, preferably 0.3 to 4% by mass, from the viewpoint of suppressing the dry odor, particularly the 4M3H odor and cleaning properties. More preferably, the content is 0.5 to 3% by mass, and still more preferably 0.8 to 3% by mass.
- the liquid cleaning composition of this invention contains the nonionic surfactant (A) containing a nonionic compound (A1) and a cationic surfactant (B) as an essential component as surfactant.
- A nonionic surfactant
- B cationic surfactant
- anionic surfactants other than fatty acids and salts thereof are feared to reduce the odor suppressing effect of the liquid detergent composition of the present invention, and are therefore described separately from fatty acids and salts thereof. To do.
- pH of the liquid cleaning composition of this invention is acidic, depending on surfactant, it may exist as an acid type compound, and an acid type compound is also considered as surfactant.
- (C1) Anionic surfactants other than fatty acids and salts thereof As specific examples of anionic surfactants other than fatty acids and salts thereof, (C1-1) an alkylbenzene sulfonate having an alkyl group having an average carbon number of 10 to 20, (C1-2) An alkyl group derived from a linear primary alcohol or linear secondary alcohol having an average carbon number of 10 to 20 or an alkyl group derived from a branched alcohol, and having an average addition mole number of an alkyleneoxy group of 1 to 5 A polyoxyalkylene alkyl ether sulfate ester salt which contains an ethyleneoxy group as an alkyleneoxy group and may contain a propyleneoxy group in an average addition mole number range of 0.2 to 2 mol, (C1-3) an alkyl group having an average carbon number of 10 to 20 or an alkyl or alkenyl sulfate having an alkenyl group, and (c1-4) a linear primary alcohol or linear secondary alcohol having an average carbon number
- a bleaching activator having an anionic group particularly an alkanoyloxybenzenesulfonic acid or alkanoyloxybenzenecarboxylic acid having a linear or branched alkyl group having 8 to 22 carbon atoms or an alkali thereof.
- the metal salt is an anionic surfactant (c1) other than fatty acid and its salt.
- Amphoteric surfactants include sulfobetaine or carbobetaine having an alkyl group having 8 to 22 carbon atoms, or fatty acid amidopropyl (or hydroxypropyl) having an alkyl group having 7 to 21 carbon atoms. Examples include betaine and carbobetaine.
- Cationic surfactants other than component (B) include quaternary ammonium compounds and amine compounds other than component (B), such as fatty acids having 7 to 21 carbon atoms. Mention may be made of amine compounds such as amidopropyldimethylamine.
- Anionic surfactants (c1) other than fatty acids and salts thereof reduce the bactericidal effect of the (A1) component and the (B) component. Content is limited. Specifically, the ratio of the anionic surfactant (c1) other than the fatty acid and its salt to the cationic surfactant (B), that is, the mass ratio of (c1) / (B) is 0 to 1, preferably Is 0 to 0.8, more preferably 0 to 0.5, and more preferably 0 to 0.1. As described above, in the present invention, a bleaching activator having an anionic group is also considered as an anionic surfactant (c1) other than fatty acids and salts thereof, but the blending ratio is preferably low.
- the mass of an anionic surfactant (c1) be a numerical value at the time of assuming an acid type.
- the content of the anionic surfactant (c1) other than the fatty acid and its salt is 5% by mass or less in the liquid detergent composition, It is preferably 3% by mass or less, more preferably 2% by mass or less, and further preferably 0.4% by mass or less.
- the amphoteric surfactant can be blended to such an extent that the effects of the present invention are not impaired, but the mass ratio of [(c1) + (c3)] / (B) is in the range of (c1) / (B). It is preferable to use in such an amount.
- the component (c3) is preferably 5% by mass or less, more preferably 3% by mass or less, and still more preferably 1% by mass or less, in the composition after satisfying the mass ratio.
- the content of the fatty acid and its salt (c2) in the composition is 0.05 to 5% by mass, more preferably 0.1 to 4% by mass, still more preferably in terms of fatty acid (in terms of acid type compound). Is 0.1-3 mass%.
- the fatty acid salt may exist in an acid form due to pH.
- the salt is preferably an alkali metal salt such as sodium or potassium from the viewpoint of suppressing a dry odor.
- the liquid detergent composition of the present invention contains hydrogen peroxide as the component (D) for the purpose of suppressing the raw dry odor.
- the nonionic compound (A1), the cationic surfactant (B) and the hydrogen peroxide (D) under specific conditions, it has not been possible to solve the problem sufficiently in the past. It shows the effect of suppressing the generation of odors in the entire textile product, including raw dry odors that tend to recur.
- the component (D) is 0.3 to 10% by mass, preferably 0.5 to 8% by mass, more preferably 1 from the viewpoints of suppression of raw dry odor and hydrogen peroxide stability. Contains 6% by mass.
- the hydrogen peroxide concentration in the composition can be measured by a back titration method using a potassium iodide solution.
- the liquid detergent composition of the present invention preferably contains a water-miscible organic solvent as the component (E).
- the water-miscible organic solvent referred to in the present invention refers to a solvent that dissolves 50 g or more in 1 liter of ion-exchanged water at 25 ° C., that is, a solvent having a dissolution degree of 50 g / L or more.
- a water-miscible organic solvent having a hydroxyl group and / or an ether group is preferable.
- water-miscible organic solvents examples include (e1) alkanols such as ethanol, 1-propanol, 2-propanol and 1-butanol, (e2) glycols such as propylene glycol, butylene glycol and hexylene glycol, and (e3) diethylene glycol.
- alkanols such as ethanol, 1-propanol, 2-propanol and 1-butanol
- glycols such as propylene glycol, butylene glycol and hexylene glycol
- diethylene glycol examples include (e1) alkanols such as ethanol, 1-propanol, 2-propanol and 1-butanol, (e2) glycols such as propylene glycol, butylene glycol and hexylene glycol, and (e3) diethylene glycol.
- Glycols such as triethylene glycol, tetraethylene glycol, dipropylene glycol, tripropylene glycol, (e4) diethylene glycol monomethyl ether, diethylene glycol dimethyl ether, triethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol diethyl ether, dipropylene glycol monomethyl Ether, dipropylene glycol monoethyl ether, tripropylene glycol Monomethyl ether, 1-methoxy-2-propanol, 1-ethoxy-2-propanol, 1-methylglycerol ether, 2-methylglycerol ether, 1,3-dimethylglycerol ether, 1-ethylglycerol ether, 1,3 -Alkyl ethers such as diethyl glyceryl ether, triethyl glyceryl ether, 1-pentyl glyceryl ether, 2-pentyl glyceryl ether, 1-o
- the component (E) is effective as a viscosity modifier and a gelation inhibitor of the composition, and the above (e1) alkanols, (e2) glycols, (e4) alkyl ethers, (e5) aromatic ethers More preferably, the composition is more effective by containing at least one selected from (e2) glycols, (d4) alkyl ethers, and (e5) aromatic ethers. Viscosity adjustment and gelation can be suppressed.
- (e4) alkyl ethers and / or (e5) aromatic ethers are preferred in order to stabilize hydrogen peroxide and suppress a dry-dry odor, among which diethylene glycol monobutyl ether , Diethylene glycol monophenyl ether, triethylene glycol monophenyl ether, or phenoxypropylene glycol. Furthermore, diethylene glycol monobutyl ether and / or triethylene glycol monophenyl ether are more preferred.
- the liquid detergent composition of the present invention contains the component (E) preferably 1 to 40% by mass, more preferably 4 to 20% by mass, and still more preferably 5 to 10% by mass.
- the liquid detergent composition of the present invention preferably contains a hydrotrope agent as the component (F) for the stability of the composition.
- the hydrotrope of the present invention is an organic compound having an anionic group, and further contains 1 to 2 alkyl groups selected from a methyl group, an ethyl group, or a propyl group, and 1 sulfonic acid group or carboxylic acid group. And alkylbenzene carboxylic acid or alkyl benzene sulfonic acid or a salt thereof, and benzoic acid or a salt thereof.
- paratoluenesulfonic acid More specifically, paratoluenesulfonic acid, cumenesulfonic acid, metaxylenesulfonic acid, and benzoic acid, and the salt is preferably an alkali metal salt.
- paratoluenesulfonic acid or an alkali metal salt thereof is preferable, and it may be blended as an acid and neutralized with an alkali agent in the composition.
- (F) component can provide stability, without inhibiting suppression of a raw dry odor.
- the component (F) is preferably blended as an alkali metal salt.
- the liquid detergent composition of the present invention is 0.1 to 5% by mass when the component (F) is converted into an acid type compound.
- the content is preferably 0.5 to 4% by mass, more preferably 1 to 3% by mass.
- the liquid detergent composition of the present invention is a medium for adjusting the pH when an anionic surfactant, hydrotrope, chelating agent, etc. are blended with an acid type compound. It is preferable to use an alkali agent (hereinafter referred to as the component (G)) as a compatibilizer.
- an alkali agent used for neutralization it is preferable to use an alkali metal hydroxide, and potassium hydroxide and / or sodium hydroxide are more preferable.
- the water-miscible organic amine compound, and further alkanolamine compounds having a total carbon number of 6 or less such as monoethanolamine, diethanolamine and triethanolamine [hereinafter also referred to as (G ′) component].
- the content in the composition is less than 1% by mass, more preferably not more than 0.5% by mass, and even more preferably not more than 0.08% by mass from the viewpoint of the effect of suppressing raw dry odor.
- the component (G ′) is added to the amount of the component (G ′) in the form of a salt of an anionic compound.
- the liquid detergent composition of the present invention contains an organic chelating agent [hereinafter referred to as (H) component] capable of chelating polyvalent metal ions in that the effect of the present invention is maintained over time.
- an organic chelating agent of component (H) include nitrilotriacetic acid, iminodiacetic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, glycol etherdiaminetetraacetic acid, hydroxyethyliminodiacetic acid, triethylenetetraaminehexaacetic acid, and diencoric acid.
- Aminopolyacetic acid or a salt thereof diglycolic acid, oxydisuccinic acid, carboxymethyloxysuccinic acid, citric acid, lactic acid, tartaric acid, oxalic acid, malic acid, oxydisuccinic acid, gluconic acid, carboxymethylsuccinic acid, carboxymethyltartaric acid, etc.
- Polycarboxylic acids other than acetic acid or salts thereof aminotri (methylenephosphonic acid), 1-hydroxyethylidene-1,1-diphosphonic acid, ethylenediaminetetra (methylenephosphonic acid), diethylenetriaminepenta (methylenephosphonic) Acid) and organic phosphonic acids or salts thereof may be mentioned of, salt and the like alkali metal salts.
- a salt blended with an acid and neutralized with an alkali agent in the system may be used.
- organic phosphonic acids or salts thereof, particularly 1-hydroxyethylidene-1,1-diphosphonic acid are preferred.
- the counter ion is preferably an alkali metal salt.
- an organic chelating agent in order to suppress the deterioration of the present invention due to storage, but this is because the decomposition of hydrogen peroxide by heavy metal ions that may be contained in the composition is an organic chelating agent.
- an organic chelating agent There are many parts that contribute to being suppressed.
- organic chelating agents since many organic chelating agents have the property of suppressing fluctuations in pH at the time of dilution, in order to obtain excellent detergency, the fluctuations in pH due to water can be easily changed to near neutral.
- the content is preferably a small amount and an effective agent.
- the organic phosphonic acid or a salt thereof is preferable as such an organic chelating agent, and the salt is preferably a potassium salt or a sodium salt.
- the content of the component (H) in the composition is preferably 0.01 to 0.5% by mass, more preferably 0.03 to 0.3% by mass, more preferably 0 when converted to an acid type compound. .05 to 0.2% by mass. Further, the component (H) is preferably contained as 1-hydroxyethylidene-1,1-diphosphonic acid in the limitation of the concentration range.
- Component (I) As the component (I), it is preferable to blend a water-soluble polymer for the purpose of improving the effect of inhibiting dryness.
- a high molecular polymer a high molecular polymer containing a structural unit having a carboxylic acid group is preferable. Polyacrylic acid, acrylic acid-maleic acid copolymer, acrylic acid or maleic acid, and an olefin having 2 to 5 carbon atoms Can be mentioned.
- a high-concentration surfactant system having a high surfactant content includes both a structural unit composed of a monomer having a carboxylic acid group and a structural unit composed of a monomer having a polyoxyethylene chain. It is preferable to use a high molecular polymer. Examples thereof include polymers described in JP-A-10-60476 and JP-A-2004-155937.
- the blending ratio of the component (I) in the composition is preferably 0.1 to 5% by mass, more preferably 0.5 to 4% by mass.
- the following components (i) to (vii) can be added to the liquid detergent composition of the present invention to such an extent that the effects of the present invention are not impaired.
- Enzymes such as cellulase, amylase, pectinase, protease, lipase, etc.
- Enzyme stabilizers such as calcium ion source (calcium ion supply compound), bihydroxy compound, formic acid, etc.
- Fluorescent dyes such as Tinopearl CBS Fluorescent dyes
- iv butylhydroxytoluene, distyrenated cresol, sodium sulfite and sodium bisulfite, which are commercially available as name, manufactured by Ciba Specialty Chemicals) and Whitetex SA (trade name, manufactured by Sumitomo Chemical Co., Ltd.)
- the weight average molecular weight can be determined using a light scattering method, and can be measured with a dynamic light scattering photometer (DLS-8000 series, manufactured by Otsuka Electronics Co., Ltd.).
- DLS-8000 series manufactured by Otsuka Electronics Co., Ltd.
- Paraffins such as octane, decane, dodecane and tridecane, olefins such as decene and dodecene, halogenated alkyls such as methylene chloride and 1,1,1-trichloroethane, and terpenes such as D-limonene Immiscible organic solvents
- terpenes such as D-limonene Immiscible organic solvents
- antifoaming agents such as dyes, fragrances, antibacterial preservatives, and silicones
- the content of the enzyme (i) is preferably 0.001 to 2% by mass.
- the content of the enzyme stabilizer (ii) is preferably 0.001 to 2% by mass.
- the content of the fluorescent dye (iii) is preferably 0.001 to 1% by mass.
- the content of the antioxidant (iv) is preferably 0.01 to 2% by mass.
- the polyalkylene glycol-based anti-gelling polymer (v) is preferably 0.01 to 2%.
- the water-immiscible organic solvent (vi) is preferably 0.001 to 2% by mass.
- the other components of (vii) can be blended at a known concentration, for example.
- the liquid detergent composition of the present invention preferably contains less than 1% by weight of a bleach activator, for example, a bleach activator having an anionic group, from the viewpoint of liquid stability and suppression of hydrogen peroxide decomposition. 0.4 mass% or less, and more preferably no bleach activator is contained.
- the bleach activator referred to in the present invention refers to a compound that reacts with hydrogen peroxide in water and further reacts under mild conditions such as use in a domestic environment to produce an organic peracid.
- the bleach activator in addition to TAED (tetraacylethylenediamine), it is known to be blended in a liquid bleach composition, and has a linear or branched alkyl group having 8 to 22 carbon atoms, Mention may be made of alkanoyloxybenzene sulfonic acids or alkanoyloxybenzene carboxylic acids or their alkali metal salts. Of these, alkanoyloxybenzenesulfonic acid, alkanoyloxybenzenecarboxylic acid or alkali metal salts thereof having a linear or branched alkyl group having 8 to 22 carbon atoms can be blended stably with hydrogen peroxide.
- TAED tetraacylethylenediamine
- these bleaching activators having an anionic group are also anionic surfactants (c1) other than fatty acids and salts thereof, and the mass ratio of (c1) / (B) As long as this mass ratio is within a predetermined range, it is possible to contain a bleach activator.
- these bleach activators are blended in the liquid detergent composition of the present invention, the effect of the bleach activators cannot be fully exhibited.
- blend a bleaching activator stably, there is not only a restriction on the composition, but also causes a decrease in the deodorizing effect of the present invention.
- the liquid detergent composition of the present invention preferably contains substantially no boron compound, which is used to make the pH alkaline when diluted in water. Boron compounds reduce detergency in the present invention.
- the boron compound is boric acid, borax, borate or the like.
- the borate sodium borate, potassium borate, ammonium borate, sodium 4 borate, 4 Examples thereof include potassium borate and ammonium borate.
- substantially not containing means excluding a case where an extremely small amount of enzyme preparation is mixed as an enzyme stabilizer, for example.
- boric acid in the composition borax, as its own mass, has a boron compound content of less than 0.1% by mass, and further less than 0.01% by mass. That means. The lower limit is 0% by mass.
- the balance of the liquid detergent composition of the present invention is water.
- the water is preferably sterilized deionized water.
- the liquid detergent composition of the present invention has a pH of 3.0 to 7.0 at 20 ° C. described in 8.3 of JIS K 3362: 1998, and further 3.5. To 7.0, and more preferably 4.0 to 6.0.
- liquid detergent composition of the present invention was dissolved in 3 L of soft water having a pH of 6.0 to 8.0 at 20 ° C. adjusted to 4 ° DH by adding calcium carbonate to deionized water.
- the pH of the aqueous solution at that time is preferably 4.0 to 8.5 at 20 ° C., more preferably 6.0 to 8.0.
- the viscosity of the liquid detergent composition of the present invention at 20 ° C. is preferably 10 to 1,000 mPa ⁇ s, more preferably 50 to 600 mPa ⁇ s, and still more preferably 100 to 300 mPa ⁇ s from the viewpoint of ease of handling. Viscosity can be adjusted by the ratio of (a1) component, (a2) component, (E) component, water, etc. in a compounding component.
- the nonionic surfactant (a1 ') described above can be easily used as the component (a1) for reducing the viscosity of the composition.
- the viscosity is measured with a B-type viscometer. Select a rotor that matches the viscosity. The liquid is rotated at a rotational speed of 60 r / min, and the viscosity 60 seconds after the start of rotation is defined as the viscosity of the liquid detergent composition.
- the liquid cleaning composition of the present invention is used as a cleaning composition for textile products.
- it is suitable as a liquid detergent composition for textile products, such as clothing, towels, foot-wiping mats, bed sheet products, etc., for example, used in household life, and further as a liquid detergent composition for clothing.
- it is suitable as a liquid detergent composition for textiles that can be washed with water.
- a cleaning liquid containing the liquid detergent composition of the present invention and water, for example, a textile product is washed with an aqueous solution in which the liquid detergent composition of the present invention is dissolved in water.
- the cleaning liquid is a liquid cleaning composition used at a rate of 0.3 to 1.0 g / L with respect to 1 L of water.
- a cleaning solution such as an aqueous solution is generally called a washing solution.
- the temperature of the cleaning liquid at the time of cleaning is not particularly limited. However, according to the liquid cleaning composition of the present invention, the cleaning power and deodorizing effect can be obtained even in a wide temperature range of 5 ° C. to 40 ° C.
- a soaking step may be provided before washing. When the soaking step is provided, the concentration of the liquid detergent composition is preferably 3 to 6 times the concentration at the time of washing.
- the liquid detergent composition of the present invention is applied to a used textile product, and further to a textile product such as worn clothing (applied in a non-foamed state), so that bacteria are present in the textile product. If it does, it will form a bubble that is easy to see. Foam is caused by a disproportionation reaction by catalase in bacteria. Interestingly, no foaming is observed in textiles used or worn for only one day from the new. Foaming due to the application of the present invention can be observed in textiles that have been used several times or worn and washed repeatedly. Furthermore, in some cases, the used fiber product can be confirmed to foam due to the application of the liquid detergent composition of the present invention even immediately after washing and drying.
- a method for cleaning a textile product which includes a step of applying the liquid detergent composition of the present invention to the textile product to generate bubbles.
- a part or all of the liquid detergent composition can be applied to the textile product while confirming the presence of bacteria due to the generation of bubbles.
- the textile product cleaning method of the present invention for performing such application not only can the presence of bacteria in the textile product be confirmed, but also the liquid detergent composition is applied intensively around the presence of bacteria. be able to.
- Such a concept is disclosed in JP 2010-59296 regarding a hard surface cleaner.
- the liquid bleach composition for textiles containing the conventional one part hydrogen peroxide may generate
- the surfactant concentration of the conventional liquid bleach composition containing hydrogen peroxide is low, and sufficient foam visibility cannot be obtained.
- the conventional bleaching agent for textile products has a bleaching effect as a main problem, it is intended to be intensively applied to places where stain stains and collar sleeve stains can be visually confirmed.
- visualization by foaming is very significant.
- the liquid detergent composition of the present invention foams upon contact with bacteria.
- the composition of the composition having excellent visibility of bacteria due to bubbles follows the preferable conditions of the liquid detergent composition described above.
- the nonionic surfactant (A) compounds of the general formulas (a1) and (a2) are preferable, and those having a PO group in the molecule in an average of 1 mol or more and 3 mol or less are preferable. It is easy to generate bubbles that are easily visible due to the presence, and the time from foaming to defoaming is also appropriate.
- the present invention includes a step of applying the liquid detergent composition of the present invention to a fiber product and foaming the fiber product, and bringing the fiber product coated with the liquid detergent composition into contact with a cleaning liquid containing water for cleaning treatment. And a method for cleaning the textile product, including the step of performing.
- the liquid detergent composition of the present invention is used for coating, the coated textile product and an optional cleaning agent can be put into a washing tub and washed together with other optional textile products.
- it does not deny that arbitrary cleaning liquid contains the liquid cleaning composition of this invention other than having used for application
- a part of the liquid detergent composition of the present invention used for washing (that is, the total amount of the liquid detergent composition of the present invention used for washing) is applied to a textile product, and the liquid detergent composition
- the textile product coated with can be brought into contact with the remaining cleaning solution containing the liquid detergent composition of the present invention and water for washing treatment. More specifically, for example, after a part of the liquid detergent composition of the present invention is applied to a fiber product, the applied fiber product, and optionally any fiber product and the remainder of the liquid detergent composition of the present invention.
- the liquid detergent composition of the textile product is applied by the textile product washing method in which the water and the water are put in a washing tub and washed in an aqueous solution, also for any textile products.
- An excellent deodorizing effect can be provided.
- it can also wash
- the concentration of the liquid detergent composition of the present invention in the cleaning liquid is in the range of 0.3 to 1.0 g / L (this concentration may be a calculated value based on the coating amount). It is preferable to use it as described above in order to obtain a sufficient effect.
- the washing or washing treatment here includes treatment by hand washing in addition to mechanical stirring by a washing machine, and includes, for example, rubbing, hitting, and stepping.
- the fiber product cleaning method of the present invention may be a fiber product deodorization method or a deodorization cleaning method, thereby clarifying the difference in purpose of use from the conventional method.
- the concentrate was fractionated according to the GC retention time under the following conditions to obtain 30 GCs around the target component. It was collected in 200 mg of a filler (trade name: TENAX TA, manufactured by GL Sciences) filled in a glass tube having an inner diameter of 6 mm and a length of 117 mm.
- a filler trade name: TENAX TA, manufactured by GL Sciences
- GC-PFC conditions GC: Agilent 6890N (trade name, manufactured by Agilent) Column: DB-1 (trade name, manufactured by Agilent), length 30 m, inner diameter 0.53 mm, film thickness 1 ⁇ m 40 ° C. for 1 min. hold ⁇ 6 ° C / min. to 60 ° C. ⁇ 4 ° C./min. to 300 °C
- TDS-GC-MS conditions a Thermal Desorption system (TDS) manufactured by GUSTER Co. was connected to GC-MS manufactured by Agilent.
- GC Agilent 6890N (trade name, manufactured by Agilent)
- MS Agilent 5973 (trade name, manufactured by Agilent)
- TDS desorption conditions 250 ° C., purge flow rate 50 mL / min, purge time 3 min.
- intermediate branched fatty acids such as 4M3H were detected as a raw dry odor.
- Examples and Comparative Examples> (1) Detergency evaluation (1-1) Preparation method of cocoon pieces ⁇ As a soil test cloth, a cotton / polyester blended shirt worn for 3 days was cut and collected, and the same level of stain was selected. . The selected wrinkle stain test cloth is cut in half and sewed one by one on a 30 cm x 30 cm cotton cloth (hereinafter referred to as a scissors piece). 12 sheets). One of the half-cut sheets was used for the composition of the example or the comparative example, and the other six sheets were used for the index detergent for determining the cleaning power.
- Each panel was evaluated by 10 panelists, and the detergency was evaluated by the total of the 10 panelists.
- the total score is +5 to -5, it can be judged that the cleaning power of the evaluation detergent and the index detergent is equivalent.
- the total score is +6 or more, it can be judged that the evaluation detergent is superior in cleaning power. It can be judged that the detergent is inferior in cleaning power. Moreover, it can be judged that the larger the numerical value, the better the cleaning power.
- the above-mentioned selected cut cloth was prepared from a reference detergent having the following composition containing no fragrance and a concentration of 0.67 g. Washing was performed with a washing solution of / L using a stirring-type cleaning tester (Target-o-Meter) under conditions of a water temperature of 25 ° C., a stirring speed of 85 rpm, a stirring time of 10 minutes, and a bath ratio of 15. The test cloth was thoroughly rinsed with tap water, and immediately left in an environment of 25 ° C. and a relative humidity of 35% for 24 hours to be sufficiently dried.
- the odor intensity of the dried real clothing test cloth was further selected according to the evaluation criteria 1 described later (“no odor at all”) by the agreement of five expert evaluators, and used as an actual clothing test cloth.
- standard detergent produces the smell containing 4M3H by making it a raw dry state.
- Odor intensity evaluation A evaluation of odor generated in a short time from raw fiber products
- a washing liquid having a concentration of 0.67 g / L was prepared from the liquid detergent composition described in Tables 1 to 3, and the above-mentioned five actual clothing test cloths were used as one set, and a stirring type washing tester (Target-o-Meter) Was subjected to washing treatment under conditions of a water temperature of 25 ° C., a stirring speed of 85 rpm, a stirring time of 10 minutes, and a bath ratio of 15. After washing, the garment test cloth was sufficiently rinsed with tap water, and then stored for 3 hours in an incubator at 30 ° C. and a relative humidity of 90% under an environment in which a raw dry odor is likely to occur.
- raw dry odors complex odors including intermediate branched fatty acid odors such as S odor, N odor, aldehyde odor, lower fatty acid odor, 4M3H odor
- raw dry odors complex odors including intermediate branched fatty acid odors such as S odor, N odor, aldehyde odor, lower fatty acid odor, 4M3H odor
- Odor intensity evaluation B Evaluation of recurrent raw dry odor generated from dry textile products
- a washing liquid having a concentration of 0.67 g / L was prepared from the liquid detergent composition described in Tables 1 to 3, and the above-mentioned five actual clothing test cloths were used as one set, and a stirring type washing tester (Target-o-Meter) Was subjected to washing treatment under conditions of a water temperature of 25 ° C., a stirring speed of 85 rpm, a stirring time of 10 minutes, and a bath ratio of 15.
- the garment test cloth is sufficiently rinsed with tap water, stored for 12 hours in a 30 ° C. and 90% relative humidity incubator in an environment where odors are easily generated, and then at 25 ° C. It was left to stand in an environment with a humidity of 35% for a whole day and dried sufficiently.
- the dried garment test cloth did not smell fresh.
- the evaluation results of the odor intensity evaluations A and B were determined by the agreement of professional evaluators based on the following evaluation criteria.
- Evaluation criteria 1: No odor at all 2: No odor at all 3: Slightly understood odor 4: Smell that can be understood by sniffing 5: Clear odor: Tables 1-3 show the results of the odor intensity evaluations A and B. In the case of Evaluation Criteria 3-5, at least 4 people feel odor.
- Table 4 shows formulation examples of the liquid detergent composition of the present invention.
- ethylene oxide is abbreviated as EO and propylene oxide is abbreviated as PO.
- the anionic organic compound used as the salt showed the density
- the pH of the composition was adjusted with an aqueous sodium hydroxide solution or an aqueous hydrochloric acid solution.
- A1-4 polyoxyethylene (20) polyoxypropylene (2) alkyl ether (numbers in parentheses are the average number of moles added) 20 ethylene oxide per mole of linear primary saturated alcohol having 10 to 14 carbon atoms
- a component is not included.
- R a2 OH content is less than 0.1% by mass.
- A3-4: In general formula (a3), R 3a is a linear alkyl group having 14 carbon atoms, and the carbon atom of R 3a bonded to the oxygen atom of R 3a —O— is the first carbon atom A nonionic surfactant where r 5 (but with a single distribution). (A1) Contains no component.
- R 3a is a linear alkyl group having 10 carbon atoms, and the carbon atom of R 3a bonded to the oxygen atom of R 3a —O— is the first carbon atom
- a nonionic surfactant where r 5 (but with a single distribution).
- A3-6 a nonionic surfactant obtained by adding ethylene oxide to lauryl alcohol and having an average EO addition mole number of 3 moles. That is, it is represented by the general formula (a3), R 3a is a linear alkyl group having 12 carbon atoms, and the carbon atom of R 3a bonded to the oxygen atom of R 3a —O— is the first carbon atom.
- the non-ionic compound represented by the structural formula of the general formula (A1) and having the same R requirements as the general formula (A1) but with x 0, 1 Contain 33% by mass.
- A3-7 a nonionic surfactant obtained by adding ethylene oxide to lauryl alcohol and having an average EO addition mole number of 6 moles.
- R 3a is a linear alkyl group having 12 carbon atoms, and the carbon atom of R 3a bonded to the oxygen atom of R 3a —O— is the first carbon atom.
- R 6
- LAS alkylbenzene sulfonic acid having 10 to 14 carbon atoms (average carbon number: 11.7)
- coconut oil fatty acid LUNAC L-55 (trade name), manufactured by Kao Corporation Long chain alkyl (C14) cation: Dilinear alkyl (C14) dimethylammonium ethyl sulfate.
- the carbon atoms of the two C14 alkyl groups bonded to the nitrogen atom are both the first carbon atoms.
- (E) component e-1 diethylene glycol monobutyl ether (also called butoxy diglycol)
- E-2 Triethylene glycol monophenyl ether (PHG-30; manufactured by Nippon Emulsifier)
- E-3 ethanol
- Liquid detergent compositions of Example Nos. 7 to 20 in Table 2 and Comparative Example No. 11 in Table 3 are prepared.
- any adult male in their 20s to 40s wears for 12 hours, and after washing with the standard detergent described in the evaluation of the raw dry odor, it is dried in a room at 20 ° C. and 60% RH, and again. Black cotton socks obtained by performing the wearing process 10 times are used.
Abstract
Description
近年、核家族化の増加に伴って、共働き世代が増えてきており、夜間や休日にまとめて洗濯し、室内干しする家庭が増えてきている。また最近の省エネルギー意識の高まりにより、エネルギー損失が少ない洗濯乾燥機として、エアコンの除湿機能を応用した低温乾燥という新たな乾燥技術が提案されている。しかしながら、洗濯物の部屋干しや低温乾燥は、生乾き臭を生成し易くする。
本発明は、非イオン界面活性剤(A)〔以下、(A)成分という〕を15~70質量%、下記一般式(B1)で示される陽イオン界面活性剤(B)〔以下、(B)成分という〕を0.3~5質量%、過酸化水素(D)〔以下、(D)成分という〕を0.3~10質量%、及び水を含有する液体洗浄剤組成物であって、
(A)成分の少なくとも一部として下記一般式(A1)で示される非イオン性化合物(A1)を組成物中に0.5~10質量%含有し、
(B)成分に対する、脂肪酸及びその塩以外の陰イオン界面活性剤(c1)の割合が(c1)/(B)の質量比で0~1であり、
JIS K3362:1998の8.3項に記載の20℃におけるpHが3.0~7.
0である、液体洗浄剤組成物に関する。
R-O-(C2H4O)x-H (A1)
〔式中、Rは炭素数12の直鎖アルキル基であり、R-O-の酸素原子に結合するRの炭素原子が第1級炭素原子である。xはエチレンオキシ基の付加モル数であって2~5の整数である。〕
(A)成分として下記一般式(A1)で示される非イオン性化合物(A1)を組成物中に0.5~10質量%含有し、
(B)成分に対する、脂肪酸及びその塩以外の陰イオン界面活性剤(c1)の割合が(c1)/(B)の質量比で0~1であり、
JIS K3362:1998の8.3項に記載の20℃におけるpHが3.0~7.0である、液体洗浄剤組成物を繊維製品に塗布して泡を発生させる工程を有する、繊維製品の洗浄方法、に関する。
R-O-(C2H4O)x-H (A1)
〔式中、Rは炭素数12の直鎖アルキル基であり、R-O-の酸素原子に結合するRの炭素原子が第1級炭素原子である。xはエチレンオキシ基の付加モル数であって2~5の整数である。〕
さらに、本発明は、上記の液体洗浄剤組成物の繊維製品を洗浄する用途である。
本発明は、繊維製品の生乾き臭の生成を抑制する液体洗浄剤組成物、更には、生乾き臭の中でも従来除去が困難であった再発性の生乾き臭に対しても抑制効果の高い液体洗浄剤組成物を提供する。
本発明の液体洗浄剤組成物は、主たる界面活性剤として、(A)成分の非イオン界面活性剤を含有する。
R1a-O[(C2H4O)p/(AO)q]H (a1)
〔式中、R1aは炭素数8~22のアルキル基又はアルケニル基である。AOは炭素数3~5のアルキレンオキシ基である。p、qは平均付加モル数であり、pは8~40の数であり、qは0~5の数である。“/”はC2H4O基及びAO基が、ランダム又はブロックのいずれに結合したものであってもよいことを示す。〕
(a2):下記一般式(a2)で示されるポリオキシアルキレン短鎖アルキルエーテル脂肪酸エステル又は脂肪族アルキルエーテル型非イオン界面活性剤〔以下、(a2)成分という〕
R2a(CO)lO-[(C2H4O)m/(AO)n]R21a (a2)
〔式中、R2aは炭素数8~22のアルキル基又はアルケニル基ある。R21aは炭素数1~3のアルキル基である。lは0又は1の数であって、AOは炭素数3~5のアルキレンオキシ基である。m、nは平均付加モル数であって、mは5~30の数であり、nは0~5の数である。“/”はC2H4O基及びAO基が、ランダム又はブロックのいずれに結合したものであってもよいことを示す。〕
(a3):下記一般式(a3)で示されるポリオキシエチレンアルキルエーテル型非イオン界面活性剤〔以下、(a3)成分という〕
R3a-O-(C2H4O)r-H (a3)
〔式中、R3aは、炭素数8~22のアルキル基又はアルケニル基である。R3a-O-の酸素原子と結合するR3aの炭素原子が第1炭素原子及び/又は第2級炭素原子である。rは平均付加モル数であって、2以上8未満の数である。〕
(a4):ポリグリセリンアルキル又はアルケニルエーテル型非イオン界面活性剤〔以下、(a4)成分という〕
(a5)多糖型界面活性剤〔以下、(a5)成分という〕
R1aO-(AO)q-(C2H4O)pH (a1-1)
R1aO-(C2H4O)p-(AO)qH (a1-2)
R1aO-[(C2H4O)p11・(AO)q]-(C2H4O)p12H (a1-3)
R1aO-(C2H4O)p11-[(AO)q・(C2H4O)p12]H (a1-4)
R1aO-(C2H4O)p11-(AO)q-(C2H4O)p12H (a1-5)
R1aO-(C2H4O)p11-[(AO)q・(C2H4O)p13]-(C2H4O)p12H (a1-6)
〔式中、R1a、p、q、AOは前記の意味であり、p11及びp12、p13は平均付加モル数であり、それぞれ、0ではない数であって、p=p11+p12+p13又はp=p11+p12である。“・”はランダム結合であることを示す。〕
工程A:R1aOH1モル当りに対して、エチレンオキサイドを4モル~14モル、好ましくは8~12モル(数値範囲は前記、式中のp11として規定されてもよい)の割合で付加反応させる。
工程B:次にプロピレンオキサイドを1~3モル、好ましくは2~3モル(数値範囲は前記式中のqとして規定されてもよい)及びエチレンオキサイドを0~4モル(数値範囲は前記式中のp13として規定されてもよい)をランダムないしブロック付加反応させる。より好ましくはプロピレンオキサイドだけを2~3モル(数値範囲は前記式中のnとして規定されてもよい)付加反応させる。
工程C:その後再びエチレンオキサイドを4~14モル、好ましくは8~12モル(数値範囲は前記式中のp12として規定されてもよい)付加反応させる。
工程D:反応に用いた触媒のための処理を行う。例えばアルカリ触媒を用いた場合は酸で中和するか、固体触媒の場合は、ろ過などを行う。
R2a(CO)O-(C2H4O)m-(AO)n-CH3 (a2-2)
R2a(CO)O-(C2H4O)m-CH3 (a2-3)
R4a-O-[(AO)s/(Gly)t]-H (a4)
〔式中、R4aは炭素数8~22の、アルキル基又はアルケニル基である。AOはエチレンオキシ基又はプロピレンオキシ基、Glyはグリセリンに由来する残基、sはAOの平均付加モル数、tはGlyの平均付加モル数を表し、sは0~5、tは2~10である。/はAO及びGlyがランダム又はブロックであってもよいことを示す。〕
R5a-(OR51a)xZy (a5)
〔式中、R5aは炭素数8~18のアルキル基又はアルケニル基、R51aは炭素数2~4のアルキレン基、Zは炭素数5又は6の還元糖に由来する残基、xは平均付加モル数を示しxは0~6の数、yは平均縮合度を示し、yは1~10の数である。〕
R-O-(C2H4O)x-H (A1)
〔式中、Rは炭素数12の直鎖アルキル基であり、R-O-の酸素原子に結合するRの炭素原子が第1級炭素原子である。xはエチレンオキシ基の付加モル数であって2~5の整数である。〕
条件(2):(A1)成分を、液体洗浄剤組成物中に、1~8質量%、好ましくは2~5質量%含有する。
条件(3):(A)成分として、(a1)成分を含有する。
条件(4):(A)成分として、(a1)成分を含有し、該(a1)成分は、一般式(a1)、更に一般式(a1-5)において、R1aが炭素数12~16であり、R1a-O-の酸素原子と結合するR1aの炭素原子が第1炭素原子あるアルキル基であり、AO基がプロピレンオキシ基であり、p=14~35〔一般式(a1-5)の場合は、更にp11=1~20、p12=1~20である。〕、q=1~3である。
条件(5):(a1)成分を、液体洗浄剤組成物中に、15~55質量%、好ましくは20~50質量%含有する。
条件(6):(A)成分として、(a3)成分を含有する。
条件(7):(A)成分として、(a3)成分を含有し、該(a3)成分は、一般式(a3)において、Ra3が炭素数12~14の直鎖のアルキル基であり、Ra3-O-の酸素原子に結合するR3aの炭素原子が第1炭素原子であってrが3~7である。
条件(8):(a3)成分を、液体洗浄剤組成物中に、1~18質量%、好ましくは2~15質量%含有する。
(A)成分を、液体洗浄剤組成物中に、20~60質量%、好ましくは25~55質量%含有し、(A1)成分を、液体洗浄剤組成物中に、1~8質量%、好ましくは2~5質量%含有し、(A)成分として、一般式(a1)、更に一般式(a1-5)において、R1aが炭素数12~16であり、R1a-O-の酸素原子と結合するR1aの炭素原子が第1炭素原子あるアルキル基であり、AO基がプロピレンオキシ基であり、p=14~35〔一般式(a1-5)の場合は、更にp11=1~20、p12=1~20である。〕、q=1~3である(a1)成分を、液体洗浄剤組成物中に、15~55質量%、好ましくは20~50質量%含有し、(A)成分として、一般式(a3)において、Ra3が炭素数12~14の直鎖のアルキル基であり、Ra3-O-の酸素原子に結合するR3aの炭素原子が第1炭素原子であってrが3~7である(a3)成分を、1~18質量%、好ましくは2~15質量%含有する、ことが好ましい。
本発明の液体洗浄剤組成物は、(B)成分として一般式(B1)で示される陽イオン界面活性剤を含有する。
(b2)一般式(B1)中のRb1が炭素数12~18の分岐鎖アルキル基であり、Rb2~Rb4がそれぞれメチル基又はエチル基である第4級アンモニウム塩。
(b3)一般式(B1)中のRb1が炭素数12~18の直鎖アルキル基であり、Rb3及びRb4がそれぞれメチル基又はエチル基である第4級アンモニウム塩。
(b4)一般式(B1)中のRb1が炭素数12~18の直鎖アルキル基であり、sが1~5であり、Rb2、Rb3、Rb4がそれぞれメチル基又はエチル基である第4級アンモニウム塩。
ところで、本発明の液体洗浄剤組成物は、界面活性剤として、非イオン性化合物(A1)を含む非イオン界面活性剤(A)及び陽イオン界面活性剤(B)とを必須成分として含有するが、陰イオン界面活性剤及び両性界面活性剤などのその他の界面活性剤(C)〔以下、(C)成分という〕を、制限付きで含有してもよい。
脂肪酸及びその塩以外の陰イオン界面活性剤の具体例としては、
(c1-1)平均炭素数10~20のアルキル基を有するアルキルベンゼンスルホン酸塩、
(c1-2)平均炭素数10~20の直鎖1級アルコール又は直鎖2級アルコール由来のアルキル基又は分岐アルコール由来のアルキル基を有し、アルキレンオキシ基の平均付加モル数が1~5であり、アルキレンオキシ基としてエチレンオキシ基を含み、平均付加モル数0.2~2モルの範囲でプロピレンオキシ基を含んでいてもよい、ポリオキシアルキレンアルキルエーテル硫酸エステル塩、
(c1-3)平均炭素数10~20のアルキル基又はアルケニル基を有するアルキル又はアルケニル硫酸エステル塩、及び
(c1-4)平均炭素数10~20の直鎖1級アルコール又は直鎖2級アルコール由来のアルキル基又は分岐アルコール由来のアルキル基を有し、アルキレンオキシ基の平均付加モル数が1~5であり、アルキレンオキシ基としてエチレンオキシ基を含み、平均付加モル数0.2~2モルの範囲でプロピレンオキシ基を含んでいてもよい、ポリオキシアルキレンアルキルエーテルカルボン酸塩、
などを挙げることができる。塩はナトリウム、カリウムなどのアルカリ金属塩が生乾き臭の抑制の点から好ましい。
脂肪酸及びその塩は、炭素数10~18の脂肪酸及びその塩が好ましく、天然油脂から得られる脂肪酸分布を有するものを用いてもよい。脂肪酸及びその塩は、消泡剤として本発明の液体洗浄剤組成物に配合することができる。塩はナトリウム、カリウムなどのアルカリ金属塩が好ましい。
両性界面活性剤としては、炭素数8~22のアルキル基を有するスルホベタイン又は同カルボベタイン又は、炭素数7~21のアルキル基を有する脂肪酸アミドプロピル(又はヒドロキシプロピル)ベタイン又は同カルボベタインを挙げることができる。
(B)成分以外の陽イオン界面活性剤としては、(B)成分以外の4級アンモニウム化合物、アミン化合物、例えば炭素数7~21の脂肪酸アミドプロピルジメチルアミンなどのアミン化合物を挙げることができる。
本発明の液体洗浄剤組成物は、生乾き臭の抑制のために、(D)成分として過酸化水素を含有する。本発明では、前記の非イオン性化合物(A1)、陽イオン界面活性剤(B)及び過酸化水素(D)を特定条件で用いることで、従来では十分に解決できなかった、前記したような再発し易い生乾き臭を含む、繊維製品全体の臭いの発生を抑制する効果を示す。
以下、更に本発明に使用できるその他の成分について説明する。
本発明の液体洗浄剤組成物は、(E)成分として水混和性有機溶剤を含有することが好ましい。本発明でいう水混和性有機溶剤とは、25℃のイオン交換水1Lに50g以上溶解するものであり、すなわち、溶解の程度が50g/L以上である溶剤を指す。
本発明の液体洗浄剤組成物には、組成物の安定性のために(F)成分としてハイドロトロープ剤を配合することが好ましい。本発明のハイドロトロープ剤は、陰イオン性基を有する有機化合物であり、更にはメチル基、エチル基又はプロピル基から選ばれるアルキル基を1~2つ含み、スルホン酸基又はカルボン酸基を1つ有するアルキルベンゼンカルボン酸又はアルキルベンゼンスルホン酸又はそれらの塩、並びに安息香酸又はその塩を挙げることができる。より具体的にはパラトルエンスルホン酸、クメンスルホン酸、メタキシレンスルホン酸、安息香酸であり、塩はアルカリ金属塩が好ましい。本発明ではパラトルエンスルホン酸又はそのアルカリ金属塩が好ましく、酸として配合し、組成物中のアルカリ剤で中和してもよい。(F)成分は、生乾き臭の抑制を阻害することなく、安定性を付与することができる。
本発明の液体洗浄剤組成物では、過酸化水素の安定性などの点から、陰イオン界面活性剤、ハイドロトロープ剤、キレート剤等を酸型化合物で配合した場合のpHを調整するための中和剤等として、アルカリ剤〔以下、(G)成分という〕を使用するのが好ましい。本発明の液体洗浄剤組成物のpHが後述のように7.0以下である場合は、遊離のアルカリ剤は殆ど存在しないと考えられる。なお中和に用いるアルカリ剤としては、アルカリ金属水酸化物を使用することが好ましく、水酸化カリウム及び/又は水酸化ナトリウムがより好ましい。
本発明の液体洗浄剤組成物は、多価金属イオンをキレートすることができる有機キレート剤〔以下、(H)成分という〕を含有することが、本発明の効果を経時的に維持する点で好ましい。(H)成分の有機キレート剤は、例えば、ニトリロ三酢酸、イミノ二酢酸、エチレンジアミン四酢酸、ジエチレントリアミン五酢酸、グリコールエーテルジアミン四酢酸、ヒドロキシエチルイミノ二酢酸、トリエチレンテトラアミン六酢酸、ジエンコル酸等のアミノポリ酢酸又はその塩、ジグリコール酸、オキシジコハク酸、カルボキシメチルオキシコハク酸、クエン酸、乳酸、酒石酸、シュウ酸、リンゴ酸、オキシジコハク酸、グルコン酸、カルボキシメチルコハク酸、カルボキシメチル酒石酸等のアミノポリ酢酸以外のポリカルボン酸又はその塩、アミノトリ(メチレンホスホン酸)、1-ヒドロキシエチリデン-1,1-ジホスホン酸、エチレンジアミンテトラ(メチレンホスホン酸)、ジエチレントリアミンペンタ(メチレンホスホン酸)等の有機ホスホン酸又はその塩が挙げられ、塩はアルカリ金属塩等が挙げられる。本発明では酸で配合し、系中でアルカリ剤によって中和した塩であってもよい。このうち、有機ホスホン酸又はその塩、中でも1-ヒドロキシエチリデン-1,1-ジホスホン酸が好適である。なお対イオンはアルカリ金属塩が好ましい。
(I)成分として生乾き抑制効果を向上させる目的で水溶性高分子重合体を配合することが好ましい。高分子重合体としては、カルボン酸基を有する構成単位を含む高分子重合体が好ましく、ポリアクリル酸、アクリル酸-マレイン酸共重合体、アクリル酸又はマレイン酸と炭素数2~5のオレフィンとの共重合体を挙げることができる。また、界面活性剤の含有量が多い高濃度界面活性剤系では、カルボン酸基を有する単量体からなる構成単位とポリオキシエチレン鎖を有する単量体からなる構成単位との両方が含まれている高分子重合体を用いることが好ましい。例えば特開平10-60476や特開2004-155937記載のポリマーを挙げることが出来る。(I)成分の組成物中の配合割合は、好ましくは0.1~5質量%であり、より好ましくは0.5~4質量%である。
更に本発明の液体洗浄剤組成物には、次の(i)~(vii)に示す成分を本発明の効果を損なわない程度で配合することができる。
(i)セルラーゼ、アミラーゼ、ペクチナーゼ、プロテアーゼ、リパーゼ等の酵素
(ii)カルシウムイオン源(カルシウムイオン供給化合物)、ビヒドロキシ化合物、蟻酸等の酵素安定化剤
(iii)蛍光染料、例えばチノパールCBS(商品名、チバスペシャリティケミカルズ製)やホワイテックスSA(商品名、住友化学社製)として市販されている蛍光染料
(iv)ブチルヒドロキシトルエン、ジスチレン化クレゾール、亜硫酸ナトリウム及び亜硫酸水素ナトリウム等の酸化防止剤
(v)特表平11-513067に記載されているゲル化防止重合体、更には重量平均分子量が600~5000、更には1000~4000のポリプロピレングリコール又はポリエチレングリコール。なお重量平均分子量は光散乱法を用いて決定することができ、ダイナミック光散乱光度計(DLS-8000シリーズ、大塚電子株式会社製等)により測定することができる。
(vi)オクタン、デカン、ドデカン、トリデカンなどのパラフィン類、デセン、ドデセンなどのオレフィン類、塩化メチレン、1,1,1-トリクロロエタンなどのハロゲン化アルキル類、D-リモネンなどのテルペン類などの水非混和性有機溶剤
(vii)その他、色素、香料、抗菌防腐剤、シリコーン等の消泡剤
(i)の酵素の含有量は0.001~2質量%が好ましい。(ii)の酵素安定化剤の含有量は0.001~2質量%が好ましい。(iii)の蛍光染料の含有量は0.001~1質量%が好ましい。(iv)の酸化防止剤の含有量は0.01~2質量%が好ましい。(v)のポリアルキレングリコール系ゲル化防止重合体は0.01~2%が好ましい。(vi)の水非混和性有機溶剤は0.001~2質量%が好ましい。(vii)のその他の成分は例えば公知の濃度で配合することができる。
次の実施例は本発明の実施について述べる。実施例は本発明の例示について述べるものであり、本発明を限定するためではない。
洗濯乾燥の後に生乾き臭が強く発生した木綿のタオルを家庭より回収して50gを裁断し、ジクロロメタン500mLよりニオイ成分を抽出後減圧濃縮した。更に、1M水酸化ナトリウム水溶液200mLを抽出溶液に添加し、水層を回収し、2M塩酸200mL添加し酸性にした。この溶液に、ジクロロメタン200mLを加え有機層を減圧濃縮し、酸性成分の濃縮物を1mLに定容した。
GC:Agilent 6890N(商品名、アジレント社製)
カラム:DB-1(商品名、アジレント社製)、長さ30m、内径0.53mm、膜厚1μm
40℃1min.hold→6℃/min.to 60℃→4℃/min.to 300℃
Injection volume:2μL
PFC(Gerstel社製):trap time 18min.to 24min.、30times
trap:TENAX TA(商品名、ジーエルサイエンス社製)200mg
(TDS-GC-MS条件)
GC:Agilent 6890N(商品名、アジレント社製)
MS:Agilent 5973(商品名、アジレント社製)
TDS脱着条件:250℃、パージ流量50mL/min、パージ時間3min.
カラム:DB-FFAP(商品名、アジレント社製)、長さ30m、内径250μm、膜厚0.
25μm
40℃1min.hold→6℃/min.to 60℃→2℃/min.to 240℃
(1)洗浄力評価
(1-1)衿片の調製方法
衿汚れ試験布として、3日間着用した綿/ポリエステル混紡ワイシャツの衿部分を裁断し収集したもののうち汚れの程度が同じものを選別した。選別された衿汚れ試験布を半裁し、30cm×30cmの綿布に1枚ずつ縫い付け(以後、衿片と呼ぶ)、これを表1~3の液体洗浄剤組成物1つあたり6セット(全12枚)用意した。半裁した一方の6枚を実施例又は比較例の組成物に用い、他方の6枚を洗浄力判定用指標洗剤に用いた。
洗浄に用いる水は、硬度成分としてカルシウム/マグネシウム=8/2にするために、塩化カルシウム・2水和物25.14g及び塩化マグネシウム・6水和物8.70gを2966.13gのイオン交換水で溶解することによって得られた400゜DH硬水を用い、洗浄力試験使用時にイオン交換水によって希釈し4゜DHに調整して用いた。
洗浄試験には、洗濯機(NA-FV8001;Panasonic社)を用い、上記方法により調製した水を用いた。洗浄力の判定は、10人のパネラー(30代男性)によって行われた。表1~3の液体洗浄剤組成物(評価洗剤)で洗浄処理された衿片6枚と、洗剤をJISK 3362:1998記載の指標洗剤に代えた以外は同様にして洗浄処理された衿片6枚との洗浄の程度を目視で判断した。対となる衿片のどちらが洗浄力に優れているかを判断し、評価洗剤を用いた方が洗浄力に優れている場合を「+1」点、指標洗剤を用いた方が洗浄力に優れている場合を「-1」点とする(パネラー一人あたりの評価点の合計は「+6」~「-6」の範囲となる)。1つの評価洗剤につきパネラー10人が評価し、パネラー10人の評価点の合計で洗浄力を評価した。合計点が+5~-5の場合は、評価洗剤と指標洗剤の洗浄力は同等と判断でき、+6以上の場合は評価洗剤の方が洗浄力に優れると判断でき、-6以下の場合は評価洗剤の方が洗浄力に劣ると判断できる。また、数値が大きいほど洗浄力に優れると判断できる。
複数回洗濯と着用を繰り返した20代~40代の成人男子の肌着のうち、洗濯し十分に乾燥した時は臭わないが、湿り気を帯びたときに、同じ臭気の生乾き臭を発する肌着(綿100%)を収集した。肌着は、5cm×5cmに裁断し、湿り気を帯びた時に生成する臭いの程度が、同じ臭いレベルであると専門評価者により確認された裁断布を選別した。なお、同じ臭気の生乾き臭について定性的に分析したところ、4M3H臭を主とする中級分岐脂肪酸臭や硫黄臭等が含まれていることが確認された。
表1~3に記載の液体洗浄剤組成物から濃度0.67g/Lの洗濯液を調製し、上記実衣料試験布5枚を1セットとして、攪拌式洗浄試験機(Targot-o-Meter)により、水温25℃、攪拌速度85rpm、攪拌時間10分、浴比15の条件で洗浄処理した。洗浄後、実衣料試験布は水道水で十分濯がれた後、生乾き臭の発生し易い環境下である30℃、相対湿度90%の培養庫において3時間保管された。保管後の実衣料試験布について、専門評価者5人により生乾き臭(S臭、N臭、アルデヒド臭、低級脂肪酸臭、4M3H臭等の中級分岐脂肪酸臭を含む複合臭)の官能評価を行った。
表1~3に記載の液体洗浄剤組成物から濃度0.67g/Lの洗濯液を調製し、上記実衣料試験布5枚を1セットとして、攪拌式洗浄試験機(Targot-o-Meter)により、水温25℃、攪拌速度85rpm、攪拌時間10分、浴比15の条件で洗浄処理した。洗浄後、実衣料試験布は水道水で十分濯がれた後、生乾き臭の発生し易い環境下である30℃、相対湿度90%の培養庫において12時間保管された後、25℃、相対湿度35%の環境下に一昼夜放置して十分に乾燥させた。乾燥後の実衣料試験布からは生乾き臭がしなかった。
(評価基準)
1:まったく臭わない
2:ほぼ臭わない
3:なんとなくわかる臭い
4:よく嗅ぐとわかる臭い
5:はっきりとわかる臭い
前記臭気強度評価A、Bの結果を表1~3に示す。
評価基準3~5の場合は、少なくとも4名は臭いを感じている。
<配合成分>
下記成分の説明において、エチレンオキシドをEO、プロピレンキシドをPOと略する。また塩になっている陰イオン性有機化合物は酸型化合物に換算した濃度を表中に示した。組成物のpHは水酸化ナトリウム水溶液又は塩酸水溶液で調整した。
(a1)成分
・a1-1:ポリオキシエチレン(9)ポリオキシプロピレン(2)ポリオキシエチレン(9)アルキルエーテル(カッコ内の数値は平均付加モル数)〔炭素数10~14の直鎖1級飽和アルコール1モル当りにエチレンオキシドを9モル、プロピレンオキシドを2モル、エチレンオキサイドを9モルの順にブロック付加させたもの、一般式(a1-5)において、p11=9、q=2、p12=9の化合物である。(A1)成分は含まれない。〕
・a1-2:ポリオキシエチレン(8)ポリオキシプロピレン(2)ポリオキシエチレン(8)アルキルエーテル(カッコ内の数値は平均付加モル数)〔炭素数10~14の直鎖1級飽和アルコール1モル当りにエチレンオキシドを8モル、プロピレンオキシドを2モル、エチレンオキサイドを8モルの順にブロック付加させたもの、一般式(a1-5)において、p11=8、q=2、p12=8の化合物である。(A1)成分は含まれない。〕
・a1-3:ポリオキシエチレン(15)ポリオキシプロピレン(2)ポリオキシエチレン(15)アルキルエーテル(カッコ内の数値は平均付加モル数)〔炭素数10~14の直鎖1級飽和アルコール1モル当りにエチレンオキシドを15モル、プロピレンオキシドを2モル、エチレンオキサイドを15モルの順にブロック付加させたもの、一般式(a1-5)において、p11=15、q=2、p12=15の化合物である。(A1)成分は含まれない。〕
・a1-4:ポリオキシエチレン(20)ポリオキシプロピレン(2)アルキルエーテル(カッコ内の数値は平均付加モル数)〔炭素数10~14の直鎖1級飽和アルコール1モル当りにエチレンオキシドを20モル、プロピレンオキシドを2モルの順にブロック付加させたもの、一般式(a1-2)において、p=20、q=2の化合物である。(A1)成分は含まれない。〕
・a1-5:ポリオキシエチレン(14)ポリオキシプロピレン(2)ポリオキシエチレン(4)アルキルエーテル(カッコ内の数値は平均付加モル数)〔炭素数10~14の直鎖1級飽和アルコール1モル当りにエチレンオキシドを14モル、プロピレンオキシドを2モル、エチレンオキサイドを4モルの順にブロック付加させたもの、一般式(a1-5)において、p11=14、q=2、p12=4の化合物である。(A1)成分は含まれない。〕
・a2-1:一般式(a2)中のR2aが炭素数11の直鎖1級アルキル基、lが1、mが15、nが0、R21aがメチル基の非イオン界面活性剤
・a2-2:一般式(a2)中のR2aが炭素数11の直鎖1級アルキル基、lが1、mが10、nが0、R21aがメチル基の非イオン性界面活性剤
・a3-1:一般式(a3)中、R3aは炭素数12~14の直鎖アルキル基であって、R3a-O-の酸素原子と結合するR3aの炭素原子が第2炭素原子であって、r=7である非イオン界面活性剤(炭素数12~14の2級直鎖飽和アルコール1モル当りにEOを7モル付加させた後に未反応アルコールを蒸留により除去したもの。Ra2OH含有量は0.1質量%未満。)
・a3-2:一般式(a3)中、R3aは、炭素数12の直鎖のアルキル基であって、R3a-O-の酸素原子と結合するR3aの炭素原子が第1炭素原子であって、r=3(ただし単一分布である)である非イオン界面活性剤であり、且つ(A1)成分として、一般式(A1)において、x=3の化合物が約100%を占める。
・a3-3:一般式(a3)中、R3aは、炭素数12の直鎖のアルキル基であって、R3a-O-の酸素原子と結合するR3aの炭素原子が第1炭素原子であって、r=5(ただし単一分布である)である非イオン界面活性剤であり、且つ(A1)成分として、一般式(A1)において、x=5の化合物が約100%を占める。
・a3-4:一般式(a3)中、R3aは、炭素数14の直鎖のアルキル基であって、R3a-O-の酸素原子と結合するR3aの炭素原子が第1炭素原子であって、r=5(ただし単一分布である)である非イオン界面活性剤。(A1)成分を含まない。
・a3-5:一般式(a3)中、R3aは、炭素数10の直鎖のアルキル基であって、R3a-O-の酸素原子と結合するR3aの炭素原子が第1炭素原子であって、r=5(ただし単一分布である)である非イオン界面活性剤。
・a3-6:ラウリルアルコールにエチレンオキサイドを付加させた、平均EO付加モル数が3モルである非イオン界面活性剤。すなわち一般式(a3)で示され、R3aが、炭素数12の直鎖のアルキル基であって、R3a-O-の酸素原子と結合するR3aの炭素原子が第1炭素原子であり、r=3の非イオン界面活性剤であり、且つ(A1)成分として、一般式(A1)で示される、x=2、3、4、5の非イオン性化合物は、a3-6中に合計50質量%含有され、更にx=3、4、5である非イオン性化合物は、a3-6中に合計32質量%含有される。なお便宜的に一般式(A1)の構造式で示され、Rの要件は一般式(A1)と同じであるが、x=0、1である非イオン性化合物は、a3-6中に合計33質量%含有される。
・a3-7:ラウリルアルコールにエチレンオキサイドを付加させた、平均EO付加モル数が6モルである非イオン界面活性剤。すなわち一般式(a3)で示され、R3aが、炭素数12の直鎖のアルキル基であって、R3a-O-の酸素原子と結合するR3aの炭素原子が第1炭素原子であり、r=6の非イオン界面活性剤であり、且つ(A1)成分として、一般式(A1)で示される、x=2、3、4、5の非イオン性化合物は、a3-7中に合計34質量%含有され、更にx=3、4、5である非イオン性化合物は、a3-7中に合計27質量%含有される。なお便宜的に一般式(A1)の構造式で示され、Rの要件は一般式(A1)と同じであるが、x=0、1である非イオン性化合物は、a3-7中に合計10質量%含有される。
・a3-8:一般式(a3)中、R3aは、炭素数12の直鎖のアルキル基であって、R3a-O-の酸素原子と結合するR3aの炭素原子が第1炭素原子であって、r=8(ただし単一分布である)である非イオン界面活性剤。(A1)成分を含まないが、便宜的に一般式(A1)で表すと、一般式(A1)において、x=8の化合物が約100%を占める。
・b1-1:N-(1-ドデシル)-N,N,N-トリメチルアンモニウムエチルサルフェート。
・b1-2:N-(1-テトラデシル)-N,N-ジメチル-N-エチルアンモニウムエチルサルフェート。
・b1-3:N-(1-オクタデシル)-N,N,N-トリメチルアンモニウムメチルサルフェート。
・LAS:炭素数10~14の直鎖アルキル基(平均炭素数11.7)を有するアルキルベンゼンスルホン酸
・ヤシ油脂肪酸:ルナックL-55(商品名)、花王株式会社製
・ジ長鎖アルキル(C14)カチオン:ジ直鎖アルキル(炭素数14)ジメチルアンモニウムエチルサルフェート。ここで窒素原子に結合する2つの炭素数14のアルキル基の炭素原子は、いずれも第1炭素原子である。
・e-1:ジエチレングリコールモノブチルエーテル(ブトキシジグリコールとも呼ばれる)
・e-2:トリエチレングリコールモノフェニルエーテル(PHG-30;日本乳化剤製)
・e-3:エタノール
・f-1:パラトルエンスルホン酸ナトリウム(但し表中の濃度は酸型化合物としての濃度である。)
(H)成分
・h-1:1-ヒドロキシエチリデン-1,1-ジホスホン酸
(I)成分
・i-1:特開平10-60476の4頁段落0020の合成例1の方法で合成した高分子化合物
(その他)
・蛍光染料:チノパールCBS-X(商品名)(チバスペシャリティケミカルズ製)
・酵素:エバラーゼ16.0L-EX(商品名)(プロテアーゼ、ノボザイム社製)
表2の実施例番号7~20及び表3の比較例番号11の液体洗浄剤組成物が調製される。評価には、20代~40代の任意の成人男子が、12時間着用し、前記生乾き臭の評価に記載の基準洗剤にて洗濯した後、20℃、60%RHの室内で乾燥し、再び着用する工程を10回行なうことで得られる黒色の綿製靴下を用いる。
Claims (13)
- 非イオン界面活性剤(A)〔以下、(A)成分という〕を15~70質量%、下記一般式(B1)で示される陽イオン界面活性剤(B)〔以下、(B)成分という〕を0.3~5質量%、過酸化水素(D)〔以下、(D)成分という〕を0.3~10質量%、及び水を含有する液体洗浄剤組成物であって、
(A)成分として下記一般式(A1)で示される非イオン性化合物(A1)を組成物中に0.5~10質量%含有し、
(B)成分に対する、脂肪酸及びその塩以外の陰イオン界面活性剤(c1)の割合が(c1)/(B)の質量比で0~1であり、
JIS K3362:1998の8.3項に記載の20℃におけるpHが3.0~7.0である、
液体洗浄剤組成物。
R-O-(C2H4O)x-H (A1)
〔式中、Rは炭素数12の直鎖アルキル基であり、R-O-の酸素原子に結合するRの炭素原子が第1級炭素原子である。xはエチレンオキシ基の付加モル数であって2~5の整数である。〕
- (A)成分として、下記一般式(a1)及び/又は一般式(a2)で示される非イオン界面活性剤を10~60質量%含有する請求項1に記載の液体洗浄剤組成物。
R1a-O[(C2H4O)p/(AO)q]H (a1)
〔式中、R1aは炭素数8~22のアルキル基又はアルケニル基である。AOは炭素数3~5のアルキレンオキシ基である。p、qは平均付加モル数であり、pは8~40の数であり、qは0~5の数である。“/”はC2H4O基及びAO基が、ランダム又はブロックのいずれに結合したものであってもよいことを示す。〕
R2a(CO)lO-[(C2H4O)m/(AO)n]R21a (a2)
〔式中、R2aは炭素数8~22のアルキル基又はアルケニル基ある。R21aは炭素数1~3のアルキル基である。lは0又は1の数であって、AOは炭素数3~5のアルキレンオキシ基である。m、nは平均付加モル数であって、mは5~30の数であり、nは0~5の数である。“/”はC2H4O基及びAO基が、ランダム又はブロックのいずれに結合したものであってもよいことを示す。〕 - (A)成分として、下記一般式(a3)で示される非イオン界面活性剤を0.5~20質量%含有する、請求項1又は2に記載の液体洗浄剤組成物。
R3a-O-(C2H4O)r-H (a3)
〔式中、R3aは、炭素数8~22のアルキル基又はアルケニル基である。R3a-O-の酸素原子と結合するR3aの炭素原子が第1炭素原子及び/又は第2級炭素原子である。rは平均付加モル数であって、2以上及び8未満の数である。〕 - 更に脂肪酸及びその塩(c2)を脂肪酸に換算して0.05~5質量%含有する請求項1~3何れかに記載の液体洗浄剤組成物。
- 更に水混和性有機溶剤(E)を1~40質量%含有する請求項1~4何れかに記載の液体洗浄剤組成物。
- 更に有機キレート剤(H)を0.01~0.5質量%含有する請求項1~5何れかに記載の液体洗浄剤組成物。
- 水混和性有機アミン化合物の含有量が1質量%未満である、請求項1~6何れかに記載の液体洗浄剤組成物。
- 漂白活性化剤を含有しない請求項1~7何れかに記載の液体洗浄剤組成物。
- 請求項1~8何れかに記載の液体洗浄剤組成物を水に溶解させた水溶液で繊維製品を洗浄する方法。
- 非イオン界面活性剤(A)〔以下、(A)成分という〕を15~70質量%、下記一般式(B1)で示される陽イオン界面活性剤(B)〔以下、(B)成分という〕を0.3~5質量%、過酸化水素(D)〔以下、(D)成分という〕を0.3~10質量%、及び水を含有する液体洗浄剤組成物であって、
(A)成分として下記一般式(A1)で示される非イオン性化合物(A1)を組成物中に0.5~10質量%含有し、
(B)成分に対する、脂肪酸及びその塩以外の陰イオン界面活性剤(c1)の割合が(c1)/(B)の質量比で0~1であり、
JIS K3362:1998の8.3項に記載の20℃におけるpHが3.0~7.0である、
液体洗浄剤組成物を繊維製品に塗布して泡を発生させる工程を有する、繊維製品の洗浄方法。
R-O-(C2H4O)x-H (A1)
〔式中、Rは炭素数12の直鎖アルキル基であり、R-O-の酸素原子に結合するRの炭素原子が第1級炭素原子である。xはエチレンオキシ基の付加モル数であって2~5の整数である。〕
〔式中、Rb1は炭素数12~18の鎖式炭化水素基であり、Rb1中に-(A’O)s-を含んでも良い。A’Oは、エチレンオキシ基又はプロピレンオキシ基であり、sはA’Oの平均付加モル数を表し0~10であり、Rb2、Rb3、Rb4は、それぞれ独立にメチル基、エチル基、ベンジル基又は炭素数1~3のヒドロキシアルキル基であり、X-はCH3SO4 -又はCH3CH2SO4 -、ハロゲンイオンである。〕 - 液体洗浄剤組成物が、(A)成分として、下記一般式(a1)及び/又は一般式(a2)で示される非イオン界面活性剤を10~60質量%含有する、請求項10に記載の繊維製品の洗浄方法。
R1a-O[(C2H4O)p/(AO)q]H (a1)
〔式中、R1aは炭素数8~22のアルキル基又はアルケニル基である。AOは炭素数3~5のアルキレンオキシ基である。p、qは平均付加モル数であり、pは8~40の数であり、qは0~5の数である。“/”はC2H4O基及びAO基が、ランダム又はブロックのいずれに結合したものであってもよいことを示す。〕
R2a(CO)lO-[(C2H4O)m/(AO)n]R21a (a2)
〔式中、R2aは炭素数8~22のアルキル基又はアルケニル基ある。R21aは炭素数1~3のアルキル基である。lは0又は1の数であって、AOは炭素数3~5のアルキレンオキシ基である。m、nは平均付加モル数であって、mは5~30の数であり、nは0~5の数である。“/”はC2H4O基及びAO基が、ランダム又はブロックのいずれに結合したものであってもよいことを示す。〕 - 洗浄に用いる前記液体洗浄剤組成物の一部を前記繊維製品に塗布し、該液体洗浄剤組成物が塗布された繊維製品を、残部の前記液体洗浄剤組成物と水とを含有する洗浄液と接触させて洗浄処理を行なう、請求項10又は11に記載の繊維製品の洗浄方法。
- 請求項1に記載の液体洗浄剤組成物の繊維製品を洗浄する用途。
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