JP4444610B2 - Liquid detergent in bag-like containers - Google Patents

Description

  The present invention relates to a liquid detergent contained in a bag-like container.

In general, fat and oil stains generated in a home kitchen or the like are not easily removed by being oxidized by oxygen or light in the air and causing polymerization. Therefore, the conventionally used liquid detergent composition has a detergency against stubborn dirt that has been left on for about a year or more without being sufficiently cleaned, for example, attached to a kitchen range. It was insufficient.
For such problems, it has been pointed out that the detergency can be effectively improved by adding an alkaline agent and a solvent as essential components to the liquid detergent composition (for example, see Patent Document 1).

On the other hand, in recent years, from the viewpoints of resource saving and plastic dust problems, refilling liquid detergents in which a liquid detergent composition is contained in a thin plastic film bag-like container have been provided. However, such a liquid detergent has a problem that the stability of the contained detergent composition is low and the durability of the container is poor.
For such problems, various studies have been made on the composition of the liquid cleaning agent to be contained and the material of the bag-like container. For example, in Patent Document 2, as a stable liquid cleaning agent in a sachet that does not generate lumps in a sachet even when stored outdoors, the innermost layer is made of a linear low density polyethylene film, and the mechanical strength as a bag on the outer layer side. Liquid film containing a specific nonionic surfactant and water in the sachet using a sachet made of a laminated composite film base material in which a reinforcing film layer is laminated in one layer or two or more layers. The one containing the agent composition is described. Patent Document 3 discloses an anionic surfactant as a liquid detergent article in which cracking / strength reduction of the container due to storage on the roof is suppressed, in a bag-type container having a specific thickness made of a laminated composite film substrate. A liquid containing a liquid detergent composition having a specific electrical conductivity containing an agent and a specific polyether solvent is described.
JP 2000-169899 A JP-A-8-1557897 JP 2000-169878 A

However, as disclosed in Patent Document 1, a cleaning composition containing an alkaline agent and a solvent having a strong cleaning power against stubborn oil stains is used in Patent Documents 2, 3 and the like. When accommodated in a bag-like container made of such a laminated composite film substrate, there was a problem in terms of long-term storage stability at high temperatures.
That is, for example, during storage in severe warehouse heat such as in a warehouse in the summer or on the road surface, the laminated surface of the laminated composite film substrate constituting the container is separated (delaminated) by the great amount of heat applied to the container, The appearance may be significantly deteriorated due to wrinkles. Furthermore, when the sealing composition of the bag-like container may be eroded by the cleaning composition, there is a risk that the content liquid may leak.

  Accordingly, an object of the present invention is to provide a bag-like container-containing liquid cleaning agent that is excellent in oil and fat dirt cleaning properties and long-term storage stability at high temperatures.

In the liquid detergent contained in a bag-like container in which a liquid detergent composition containing an alkaline agent and a solvent as main components is contained in a specific plastic bag-like container, the present inventors have used a specific alkaline agent as an alkaline agent. The inventors have found that the above-mentioned problems can be solved by using a specific amount, and have completed the present invention.
That is, the liquid detergent contained in a bag-like container of the present invention is a liquid detergent contained in a bag-like container containing a liquid detergent composition in a bag-like container comprising a composite film substrate in which at least two layers of plastic films are laminated. Because
In the composite film substrate, the innermost layer on the inner surface side of the bag-like container is a linear low density polyethylene film, and at least one reinforcing plastic film is laminated on the outer surface side of the innermost layer on the inner surface side,
The liquid detergent composition contains (A) an amine-type alkaline agent, (B) a solvent, and an alkylamine oxide .
The component (A) contains triethanolamine as an amine type alkaline agent (a1) having a molecular weight of 110 or more in a range of 1 to 10% by mass of the liquid detergent composition, and an amine type alkaline agent having a molecular weight of less than 110. (A2) is contained in the range of 4% by mass or less of the liquid detergent composition,
The component (B) is blended in an amount of 2 to 6% by mass in the liquid detergent composition,
The alkylamine oxide is blended in an amount of 0.5 to 10% by mass in the liquid detergent composition .

  According to the present invention, it is possible to obtain a bag-like container-containing liquid cleaning agent that is excellent in oil and fat stain cleaning properties and long-term storage stability at high temperatures.

Below, the liquid cleaning agent in a bag-like container of the present invention (hereinafter sometimes simply referred to as a liquid cleaning agent) will be described in more detail.
≪Liquid detergent composition≫
In the liquid detergent of the present invention, the liquid detergent composition contained in the bag-shaped container comprises (A) an amine-type alkaline agent (hereinafter referred to as (A) component) and (B) a solvent (hereinafter referred to as (B). Component)).

<(A) component>
The present invention is characterized in that the component (A) contains an amine alkaline agent (a1) having a molecular weight of 110 or more. The upper limit of the molecular weight of the amine-type alkaline agent (a1) is not particularly limited, but is preferably 10,000 or less, and more preferably 4,000 or less from the viewpoint of obtaining fluidity at normal temperature from the viewpoint of handling.

  Specific examples of amine-type alkaline agents (a1) having a molecular weight of 110 or more include triethanolamine, N, N-diethylethanolamine, Nn-butylethanolamine, N, N-dibutylethanolamine, N- (β -Aminoethyl) isopropanolamine, N, N-diethylisopropanolamine, N-methyldiethanolamine, N-ethylmorpholine, N-methylmorpholine oxide, aminopropylmorpholine, N, N-dimethylcyclohexylamine, pentamethyldiethylenetriamine, tetramethyl- Bis (aminoethyl) -ether, N, N-dimethyl-2- (2-aminoethoxy) ethanol, pentamethyldipropylenetriamine, tetramethyldipropylenetriamine, N-aminoethylpiperazine, dimethylpi Razine, dibutylamine, tributylamine, 2-ethylhexylamine, N, N-diisopropylamine, 3-methoxypropylamine, 3-ethoxypropylamine, tetramethyl-1,3-diaminopropane, 2-hydroxyethylaminopropylamine N-aminopropylmorpholine, iminobispropylamine, methyliminobispropylamine, pentamethyldiethylenetriamine, 2-piperidinecarboxylic acid, 2-aminomethylpiperidine, 4-aminomethylpiperidine, 1,3-di (4-piperidyl) Examples thereof include propane, phenethylamine, and polyoxyalkyleneamines represented by the following formulas (1) to (5).

In the formula (1), R represents H or CH ₃ .
In the formulas (1) to (5), x, y, and z each represent an average added mole number. Although the value of x, y, z does not have a restriction | limiting in particular, 0-100 are respectively independently preferable, and 0-60 are more preferable. x, y, and z are not 0 at the same time, and x + y + z = 1 or more.
These amine type alkali agents (a1) can be used alone or in combination of two or more.
Among these, triethanolamine is preferably used in view of the effect as an alkaline agent, which is easily available and inexpensive.

  The compounding amount of the amine-type alkaline agent (a1) is not particularly limited, but in order to exert sufficient detergency, the amine-type alkaline agent (described later) is used with respect to the total amount of the liquid detergent composition. The total amount with a2) is preferably 1% by mass or more, and the compounding amount of the amine-type alkaline agent (a1) alone is more preferably 1% by mass or more. Moreover, since improvement in detergency becomes scarce even if blended to some extent, it may be 20% by mass or less with respect to the total amount of the liquid detergent composition. More preferably, it is 1-15 mass%, More preferably, it is 1-10 mass%.

In the present invention, the component (A) may further contain an amine-type alkaline agent (a2) having a molecular weight of less than 110 of 4% by mass or less with respect to the total amount of the liquid detergent composition. By containing the amine-type alkaline agent (a2), the detergency is further improved. Therefore, the compounding quantity of an amine type alkali agent (A) can be reduced.
When the amine alkaline agent (a2) is blended, the blending amount is determined from the viewpoint of wrinkling of the bag-like container when the cleaning agent of the present invention is stored for a long time at high temperature and peeling of the seal part. It is necessary to make it 4 mass% or less with respect to the whole quantity of a composition. More preferably, it is 3 mass% or less, More preferably, it is 2 mass% or less. As a lower limit of a compounding quantity, 0.01 mass% or more is preferable and 0.1 mass% or more is more preferable.

Specific examples of the amine-type alkaline agent (a2) include monoethanolamine, diethanolamine, N-methylethanolamine, N, N-dimethylethanolamine, N-ethylethanolamine, and N- (β-aminoethyl) ethanolamine. 2- (2-aminoethoxy) ethanol, morpholine, N-methylmorpholine, dimethylaminopropylamine, methoxypropylamine, 2-aminopropanol, 3-aminopropanol, 3-methoxypropylamine, 3-ethoxypropylamine, 1 , 2-diaminopropane, 1,3-diaminopropane, methylaminopropylamine, dimethylaminopropylamine, 1,4-diaminobutane, piperidine, 2-pipecoline, 3-pipecholine, 4-pipecholine, N-methylpiperidine, Njiruamin, cyclohexyl amine.
These amine type alkali agents (a2) can be used alone or in combination of two or more.

The component (A) is composed of only the amine type alkali agent (a1) or a mixture of the amine type alkali agent (a1) and the amine type alkali agent (a2).
When the amine alkaline agent (a2) is blended as the component (A), the ratio (mass ratio) of the blended amount of the amine alkaline agent (a1) and the amine alkaline agent (a2) in the component (A) is 99. : 1-1: 99 is preferable, and 90: 10-10: 90 is more preferable.

<(B) component>
In the present invention, a solvent is blended as the component (B). Specific examples of the component (B) include solvents represented by the following general formula (6) and general formula (7).

(6) R ¹ O [(C ₂ H ₄ O) _m (C ₃ H ₆ O) _n ] H
{In Formula (6), R ¹ represents a linear, branched or cyclic alkyl group, alkenyl group, or aromatic hydrocarbon group (excluding a phenyl group) having 1 to 9 carbon atoms. M and n are each an integer of 0 to 5, and m + n is 1 or more. When both m and n are integers of 1 or more, the inside of [] is a polyoxyalkylene chain in which oxyethylene groups and oxypropyl groups are bonded in a random and / or block form. }

(7) R ² O [CH ₂ —CH (OH) —CH ₂ O] _pH
{In Formula (7), R ² represents a linear, branched or cyclic alkyl group, alkenyl group, or aromatic hydrocarbon group (excluding a phenyl group) having 1 to 9 carbon atoms. Moreover, p is an integer of 1-5, respectively. }

  Specific examples of the solvent represented by the general formula (6) are not particularly limited to the following specific examples, but include ethylene glycol monoethyl ether, diethylene glycol monoethyl ether, propylene glycol diethylene glycol monoethyl ether, di- Propylene glycol ethylene glycol monoethyl ether, propylene glycol monoethyl ether, dipropylene glycol monoethyl ether, ethylene glycol monobutyl ether, diethylene glycol monobutyl ether, propylene glycol diethylene glycol monobutyl ether, dipropylene glycol ethylene glycol monobutyl ether, propylene glycol monobutyl ether, di Propylene glycol monobutyl ether, ethylene glycol Mono benzyl ether, and diethylene glycol monobenzyl ether.

  Specific examples of the solvent represented by the general formula (7) are not particularly limited to the following specific examples, but glyceryl monoethyl ether, diglyceryl monoethyl ether, glyceryl monopropyl ether, glyceryl monopropyl. Examples include ether, glyceryl monopentyl ether, glyceryl monohexyl ether, diglyceryl monohexyl ether, and triglyceryl monooctyl ether.

Component (B) can be used alone or in combination of two or more of these solvents.
(B) Although the compounding quantity of a component is not specifically limited, Preferably it is 0.1-20 mass% with respect to the whole quantity of the said liquid detergent composition, More preferably, 0.3-15 mass%, More preferably, it is 0.5-10 mass%. If it is 0.1% by mass or less, the detergency is inferior, and even if 20% by mass or more is blended, no significant improvement in the detergency is observed.

<Other optional components>
In addition to the above components (A) and (B), other optional components can be appropriately blended in the cleaning composition of the present invention as necessary within a range not impairing the effects of the present invention.

  Examples of other optional components include surfactants. As the surfactant, for example, an anionic surfactant, a cationic surfactant, an amphoteric surfactant, and a nonionic surfactant can be used. In addition, this invention is not limited to the specific thing in these.

Typical examples of the surfactant are as follows. These can be used alone or in combination of two or more.
(1) Anionic surfactant: alkyl sulfate, alkyl polyoxyethylene sulfate, alkylbenzene sulfonate, α-olefin sulfonate, fatty acid salt, α-sulfo fatty acid salt, ether carboxylate, monoalkyl phosphorus Acid salts and the like. The counter ions (cations) of these anionic surfactants are alkali metal ions, alkaline earth metal ions, alkanolamine ions, ammonium ions, and the like.
(2) Cationic surfactant: alkyltrimethylammonium salt, dialkyldimethylammonium salt, alkylammonium salt, alkylbenzyldimethylammonium salt and the like. Counterions (anions) of these cationic surfactants are halogen ions and the like.
(3) Amphoteric surfactants: alkylcarboxybetaines, alkylsulfobetaines, and the like.
(4) Nonionic surfactants such as polyoxyethylene alkyl ether, polyoxyethylene alkyl phenyl ether, fatty acid diethanolamide, alkylamine oxide, and amidoamine oxide.
The compounding amount of the surfactant is preferably 0 to 20% by mass, more preferably 0.5 to 10% by mass, based on the total amount of the composition.

  In order to improve cleaning performance, alkali metal hydroxides such as sodium hydroxide and potassium hydroxide, carbonates such as potassium carbonate and sodium carbonate, alkali agents such as silicates such as sodium silicate and potassium silicate, etc. are added. Is possible.

  In addition, chelating agents such as ethylenediaminetetraacetate, nitrilotriacetate, and citrate can be added to improve cleaning performance.

Furthermore, hydrotropes such as lower alcohols, polyhydric alcohols, ethylene glycols, lower aryl sulfonates, ultraviolet absorbers, colorants, thickeners, preservatives, disinfectants, rinse improvers such as silicone, bitterness Ingestants such as emetics, calcium salts, enzymes, fluorescent brighteners, antioxidants, natural products extracts, fragrances and the like can be blended.
In addition, the compound used for these arbitrary components may be anything as long as it is usually used for a cleaning agent, and is not particularly limited.

  Preservatives include, but are not limited to, benzoic acid such as sodium benzoate, isobutyl paraoxybenzoate, isopropyl paraoxybenzoate, ethyl paraoxybenzoate, methyl paraoxybenzoate, butyl paraoxybenzoate, and propyl paraoxybenzoate. And sorbic acid preservatives such as sorbic acid and potassium sorbate, dehydroacetic acids, propionic acids, diphenyls such as diphenyl, orthophenylphenol and sodium, thiabenzol, and imazalyl. As for the compounding quantity of antiseptic | preservative, 0-0.5 mass% is preferable with respect to the composition whole quantity.

  Extracts such as natural products are not limited, but can be found in the following: , Comfrey, Pepper, Walnut, Ginger, Ginger, Solidago, Papilio, Saddle, Mistletoe, Thrips, Prunus, Thyme, Prunus, Clove, Shrimp Dutch ayu, hops, honshitan, mountain grape, purple sagaya sun, wild mint, sunflower, yamajiso, eucalyptus, lavender, rose, rosemary, balun Cedar, Gille ad balsam eaves, ringworm, kochia, Polygonum aviculare, Jingyou, sealed and Adenophortriphylla, Tribulus terrestris, cayratia japonica, licorice, extract and of plants such as St. John's wort, such as collagen and the like.

  A list of perfume ingredients used as perfumes can be found in various publications such as “Perfume and Flavor Chemicals”, Vol. I and II, Stephen Arctander, Allured Pub. Co. (1994) and “Synthetic fragrance chemistry and commercial knowledge”, Motoichi Into, Chemical Industry Daily (1996) and “Perfume and Flavor Materials of Natural Origin”, Stephen Arctander, Allred Pub. Co. (1994) and "Encyclopedia of Scents", edited by the Japan Fragrance Association, Asakura Shoten (1989) and "Performer Material Performance V3.3", Boelens Aroma Chemical Information Service (1996) and "Flower Oils". , Danute Lajaujis Anonis, Allured Pub. Co. (1993), etc., and those disclosed therein can be used.

  In the present invention, a balance amount of water may be added to the cleaning composition. Examples of water include pure water, distilled water, ion exchange water, tap water, and alkali ion water. As the blending amount, the balance amount of the composition is used.

≪Bag-like container≫
The bag-like container used in the liquid detergent of the present invention is composed of a composite film base material obtained by laminating at least two layers of plastic films, and the composite film base material is the innermost layer on the inner surface side of the bag-like container. Is a linear low density polyethylene film (hereinafter sometimes referred to as the innermost layer), and at least one reinforcing plastic film (hereinafter sometimes referred to as a reinforcing film layer) is provided on the outer surface side of the innermost innermost layer. It is a layered product.

  Linear low-density polyethylene is transparent, tenacious, and has a stiff material, and because of these properties, it has the advantage of being easy to heat-seal during production by being used as the innermost layer. When linear low density polyethylene is not used for the innermost layer, heat sealing is insufficient and the liquid may leak from the sealed portion.

  The reinforcing film layer is made of a reinforcing plastic film having a high mechanical strength. As a material of the reinforcing plastic film, for example, a film made of a synthetic resin such as a nylon resin, a polyvinyl alcohol resin, a polyethylene resin, or a polypropylene resin. Is mentioned.

The innermost layer needs to have a certain thickness from the heat-sealing adhesiveness, and the effect will not change even if it is too thick. Therefore, it is preferably 50 to 300 μm, more preferably 90 to 150 μm, and still more preferably 130 to 150 μm.
On the other hand, the thickness of the reinforcing film layer is preferably as a one-layer thickness in terms of film strength that maintains uprightness and withstands impact damage when dropped, and storage stability that prevents content loss. It is 10-30 micrometers, More preferably, it is 15-20 micrometers.

  The composite film substrate is a laminate of these film layers. Lamination of each film layer is generally performed using a paste material such as polyurethane or ester adhesives or water-soluble adhesives such as casein.

Specific examples of the composite film substrate include the following (1) to (8), but are not limited thereto.
Composite film substrate (1): (Reinforcing film layer) Stretched nylon (15 μm) / (Innermost layer) Linear low density polyethylene (130 μm)
Composite film substrate (2): (Reinforcing film layer 1) Stretched nylon (15 μm) / (Reinforcing film layer 2) Stretched nylon (15 μm) / (Innermost layer) Linear low density polyethylene (130 μm)
Composite film substrate (3): (Reinforcing film layer 1) Stretched nylon (15 μm) / (Reinforcing film layer 2) Stretched polypropylene (20 μm) / (Innermost layer) Linear low density polyethylene (130 μm)
Composite film substrate (4): (Reinforcing film layer) Stretched polyethylene terephthalate (20 μm) / (Innermost layer) Linear low density polyethylene (130 μm)
Composite film substrate (5): (Reinforcing film layer 1) Stretched polypropylene (20 μm) / (Reinforcing film layer 2) Ethylene-vinyl alcohol copolymer (16 μm) / (Innermost layer) Linear low density polyethylene (130 μm)
Composite film substrate (6): (Reinforcing film layer) Stretched polyvinyl alcohol (20 μm) / (Innermost layer) Linear low density polyethylene (130 μm)
Composite film substrate (7): (Reinforcing film layer 1) Stretched nylon (15 μm) / (Reinforcing film layer 2) Aluminum vapor-deposited polyethylene terephthalate (15 μm) / (Innermost layer) Linear low density polyethylene (100 μm)
Composite film substrate (8): (Reinforcing film layer 1) Stretched nylon (15 μm) / (Reinforcing film layer 2) Aluminum (7 μm) / (Innermost layer) Linear low density polyethylene (100 μm)
In the above description, the parentheses indicate the thickness of the film. Further, the ethylene-vinyl alcohol copolymer is used only in an intermediate layer between the outermost layer and the innermost layer of the reinforcing film layer when two or more reinforcing film layers are provided.

  The bag-shaped container is obtained by stacking the composite film bases as described above with the innermost layer on the inside, and bonding the peripheral edge thereof by heat sealing or the like to form a bag shape.

The cleaning agent of the present invention is one in which the cleaning composition is contained in the bag-like container.
According to the present invention, a cleaning composition containing a specific alkaline agent and a solvent, which has a strong cleaning power against stubborn fat stains, is housed in a bag-like container made of a specific laminated composite film substrate. This improves the long-term storage stability at high temperatures. Therefore, for example, during storage in harsh heat such as in a warehouse in the summer or on the road surface, the laminated surface of the laminated composite film substrate constituting the container is separated (delaminated) by the great amount of heat applied to the container, and the surface is It is possible to prevent the appearance from being remarkably deteriorated due to generation of wrinkles, and further, the cleaning composition can erode the seal portion of the bag-like container and prevent leakage of the content liquid.

  The reason why long-term storage stability is improved by the present invention is not clear, but by using an amine-type alkaline agent (a1) having a molecular weight of 110 or more as the component (A), the component (A) is the innermost layer on the container inner surface side. A stable liquid detergent that does not pass through linear low-density polyethylene film and does not reach the laminated part of the film, so that it will not wrinkle or leak in the bag-like container even when stored for a long time under severe heat Seems to have been able to get.

  The liquid detergent of the present invention can be used as a spray-type washing product as disclosed in Japanese Patent Application No. 2003-105438 by refilling the contained liquid detergent composition.

Hereinafter, the present invention will be described in more detail with reference to examples.
Examples 1-28, Comparative Examples 1-5
First, using the following laminated films (I) to (V) and (I ′) and (II ′) using the synthetic resin film, the film with the largest number is the innermost layer, and the peripheral edge is heat sealed. Thus, containers (I) to (V) and (I ′) and (II ′) (capacity 350 mL) were produced.
The prepared containers (I) to (V), (I ′), and (II ′) are filled with liquid cleaning compositions having the compositions shown in Tables 1 to 4 to form a bag-shaped container-containing liquid cleaning agent. Manufactured. In Tables 1-4, the kind of container used by each Example and the comparative example is written together. In addition, Table 5 shows the compositions of the fragrance compositions a to c used in the liquid detergent composition. The numerical value is shown by mass% in 100 mass% of the liquid detergent composition.

Laminated film (I): (1) Stretched nylon (15 μm) / (2) Linear low density polyethylene (130 μm) (manufactured by Toyo Sei)
Laminated film (II): (1) Stretched nylon (15 μm) / (2) Stretched nylon (15 μm) / (3) Linear low density polyethylene (130 μm) (Dai Nippon Printing)
Laminated film (III): (1) Stretched nylon (15 μm) / (2) Stretched polypropylene (20 μm) / (3) Linear low density polyethylene (130 μm) (manufactured by Toyo Sei)
Laminated film (IV): (1) Stretched nylon (15 μm) / (2) Aluminum vapor-deposited polyethylene terephthalate (15 μm) / (3) Linear low density polyethylene (100 μm) (Dai Nippon Printing)
Laminated film (V): (1) Stretched nylon (15 μm) / (2) Aluminum (7 μm) / (3) Linear low density polyethylene (100 μm) (manufactured by Toppan Printing)
Laminated film (I ′): (1) Stretched nylon (15 μm) / (2) Stretched polypropylene (130 μm)
Laminated film (II ′): (1) stretched nylon (15 μm) / (2) stretched polypropylene (20 μm) / (3) stretched polyethylene terephthalate (130 μm)
In the above, the parentheses indicate the thickness of the film.

The following tests were performed on the obtained liquid detergent. The results are also shown in Tables 1-4.
[(1) Detergency test against stubborn oil stains]
White soybean oil is spread evenly on an iron plate and baked at a temperature of 180 ° C for 15 hours to produce a model soil plate (25 x 25 cm) that is polymerized with oil and used as a detergency test. Went. In addition, this model dirt board is equivalent to the oil dirt left for 1.5 years without the cleaning which arises in the facilities of the kitchen of a general household.
Detergency of the cleaning power is determined by dripping the detergent composition (stock solution, 1 ml) contained in each liquid detergent onto the model dirt plate, and after 1 minute, gently wiping with a sponge 5 times. The degree of omission was determined visually according to the following criteria.
Judgment criteria:
5 points: Very good dirt removal 4 points: Good dirt removal 3 points: Unevenness in dirt removal 2 points: Slight dirt removal 1 point: Dirt is hardly removed

[(2) Long-term storage stability test at high temperature]
Each liquid detergent was stored at 40 ° C. for 3 months, and after returning to room temperature, the presence or absence of peeling of the wrinkles on the surface of the bag-like container and the heat-sealed portion was confirmed. The evaluation criteria are as follows.
○: Neither wrinkle nor peeling occurs after storage. △: Only slight wrinkles of a level that can be seen after 3 months storage. ×: Wrinkles clearly visible after 3 months storage, or peeling / leakage. Has occurred

  In addition, JEFFAMINE of the components in Tables 1 and 2 is a polyoxyalkyleneamine manufactured by HUNTSMAN, and D-230, XTJ-502, and T-3000 are described in the description of the amine-type alkaline agent (a1), respectively. It corresponds to the polyoxyalkyleneamine represented by the formulas (2), (4) and (5).

The liquid detergents of Examples 1 to 28 were all excellent in the evaluation of the cleaning power of 4 or more. Also, there was no problem in practical use for long-term storage stability at high temperatures.
On the other hand, the liquid detergents of Comparative Examples 1 and 2 that did not contain both the component (A) and the component (B) were inferior to Examples 1 to 28 in terms of the detergency of fats and oils.
Moreover, even if it is a liquid detergent composition which contains both (A) component and (B) component, in the case of the container whose innermost layer is not a linear low density polyethylene film (Comparative Examples 3 and 4), heat sealing Part peeling occurred and was inferior to Examples 1 to 28 in terms of storage stability.
In addition, the liquid detergent of Comparative Example 5 in which only the amine type alkali agent having a molecular weight of less than 110 is used as the component (A) in an amount exceeding 4% by mass, wrinkles are generated on the surface of the container, and the storage stability is high. And it was inferior to Examples 1-28.

Claims (3)

A liquid detergent contained in a bag-like container containing a liquid detergent composition in a bag-like container comprising a composite film substrate in which at least two layers of plastic films are laminated,
In the composite film substrate, the innermost layer on the inner surface side of the bag-like container is a linear low density polyethylene film, and at least one reinforcing plastic film is laminated on the outer surface side of the innermost layer on the inner surface side,
The liquid detergent composition contains (A) an amine-type alkaline agent, (B) a solvent, and an alkylamine oxide .
The component (A) contains triethanolamine as an amine type alkaline agent (a1) having a molecular weight of 110 or more in a range of 1 to 10% by mass of the liquid detergent composition, and an amine type alkaline agent having a molecular weight of less than 110. (A2) is contained in the range of 4% by mass or less of the liquid detergent composition,
The component (B) is blended in an amount of 2 to 6% by mass in the liquid detergent composition,
The alkylamine oxide is blended in the liquid detergent composition in an amount of 0.5 to 10% by mass . The bag-shaped container-filled liquid detergent according to claim 1, wherein the amine-type alkaline agent (a2) is contained in an amount of 0.1 to 2% by mass in the liquid detergent composition. The amine type alkali agent (a2) is monoethanolamine, diethanolamine, N-methylethanolamine, N, N-dimethylethanolamine, 2- (2-aminoethoxy) ethanol, morpholine, N-methylmorpholine, dimethylaminopropyl. The liquid detergent in a bag-like container according to claim 1 or 2, wherein the liquid detergent is one or more selected from the group consisting of amine and methoxypropylamine.