JP2019189820A - Detergent and method for producing the same - Google Patents

Abstract

To provide a body detergent having excellent detergency, particularly, detergency to stains derived from engine oil and cutting oil.SOLUTION: A body detergent contains: a polyoxyethylene polyoxypropylene propylheptyl ether-based nonionic surfactant with an inorganic value of 350 or more and 500 or less and an organic value of 400 or more and 550 or less, and with an average number of moles of added oxypropylene residues of 2.5 or less; and an abrasive.SELECTED DRAWING: None

Description

  The present invention relates to a cleaning agent and a method for producing the same.

  In the industrial field, a detergent containing a surfactant and a water-insoluble abrasive is used to remove strong dirt such as cutting oil and grease from the skin such as hands and feet. This cleaning agent is required to have good cleaning properties and usability, and various studies have been made to improve these performances.

  For example, Patent Document 1 discloses a non-polyoxyalkylene ether-based nonionic polyoxyalkylene ether having a hydrophilic group composed of a polyoxyethylene residue and an oxypropylene residue for the purpose of providing a cosmetic for body cleaning that does not leave a sticky feeling after use. A body cleansing cosmetic characterized by containing scrub particles of an ionic surfactant and a synthetic polymer is disclosed.

  Patent Document 2 discloses a copolymer of (meth) acrylic acid and (meth) acrylic acid ester and biodegradable polishing for the purpose of reducing the feeling of slimming during washing and improving rinsing properties. A body cleanser containing a material and polyoxyethylene polyoxypropylene propyl heptyl ether is disclosed.

JP 2006-16402 A JP 2012-233128 A

  However, these cleaning agents are not yet sufficiently cleanable for cleaning strong dirt, and have a problem that they cannot cope with a wide range of oil dirt, particularly engine oil and cutting oil.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a body cleaning agent that is excellent in cleaning performance, particularly cleaning performance of dirt derived from engine oil or cutting oil.

  As a result of intensive studies to solve the above problems, the present inventor has found that the above problem can be solved by using a specific surfactant, and has completed the present invention.

That is, the present invention is as follows.
[1]
Polyoxyethylene polyoxypropylene propyl heptyl ether type having an inorganic value of 350 to 500, an organic value of 400 to 550, and an average addition mole number of oxypropylene residues of 2.5 or less A nonionic surfactant;
Containing abrasives,
Body cleaner.
[2]
The average addition mole number of polyoxyethylene residue of the polyoxyethylene polyoxypropylene propyl heptyl ether-based nonionic surfactant is 4 to 5,
[1] The body cleaning agent according to [1].
[3]
The average particle diameter of the abrasive is 1 to 500 μm.
[1] or [2] body cleaner.
[4]
The abrasive comprises a biodegradable polymer;
[1] to [3] The body cleaner according to any one of [1] to [3].
[5]
The abrasive comprises at least one selected from the group consisting of polybutylene succinate, polybutylene succinate adipate, polylactic acid, lactic acid glycolic acid copolymer, and polyhydroxybutyrate,
[1]-[3] The body cleaning agent.

  ADVANTAGE OF THE INVENTION According to this invention, the cleaning agent for bodies which is excellent in detergency, especially the detergency of the stain | pollution | contamination originating in engine oil or cutting oil can be provided.

  Hereinafter, although the form for implementing this invention (henceforth "this embodiment") is demonstrated in detail, this invention is not limited to this, Various in the range which does not deviate from the summary. Deformation is possible. Unless otherwise specified, numerical values are measured at room temperature and normal pressure.

〔Washing soap〕
The body cleaning agent of this embodiment has an inorganic value of 350 or more and 500 or less, an organic value of 400 or more and 550 or less, and an average addition mole number of oxypropylene residues of 2.5 or less. A polyoxyethylene polyoxypropylene propyl heptyl ether-based nonionic surfactant and an abrasive are contained. Hereinafter, each component of the body cleaner will be described in detail.

[Surfactant]
In the body cleaning agent of this embodiment, a polyoxyethylene polyoxypropylene propyl heptyl ether-based nonionic surfactant (hereinafter referred to as “POEPOP surfactant”) is used. The POEPOP surfactant is a component that contributes to the detergency of the body cleaner of the present embodiment. The inorganic value, the organic value, the average added mole number of the oxypropylene residue, and the end group are all set to a predetermined value. As a result of adjusting to the range, the cleaning property is improved particularly, and the cleaning property against a wide range of oil stains, particularly the cleanability of stains derived from engine oil and cutting oil can be exhibited.

  The inorganic value of the POEPOP surfactant is 350 to 500, preferably 370 to 480, and more preferably 380 to 470. The inorganic value is an index indicating the degree of physical properties mainly due to electrical affinity with respect to the physicochemical properties of the compound. When the inorganic value is within the above range, the cleaning property against a wide range of oil stains, in particular, The cleanability of dirt derived from engine oil and cutting oil is further improved.

  The organic value of the POEPOP surfactant is 400 to 550, preferably 420 to 520, and more preferably 460 to 520. The organic value is an index indicating the degree of physical property of the compound mainly due to the Van Der Waals force, and the organic value is within the above range, so that the detergency for a wide range of oil stains is improved. This improves the cleanability of other dirt, including dirt derived from engine oil and cutting oil.

  In addition, about inorganic value and organic value, organic conceptual diagram theory (references: "organic conceptual diagram-basics and application, Yoshio Koda, Sankyo publication (2008)", "systematic organic qualitative analysis, Kaoru Fujita, Kazama Shobo (1974) "). As a concept, regarding the physicochemical properties of compounds, the degree of physical properties mainly due to Van Der Waals force is called “organic”, and the degree of physical properties mainly due to electrical affinity is called “inorganic”. The organic value is calculated from numerical values set for the constituent elements and functional groups of various organic compounds. In the present embodiment, reference values used for calculating the organic value and the inorganic value are shown in Table 1 below.

Examples of the POEPOP surfactant include a compound represented by the following formula (1) and a mixture of two or more compounds represented by the following formula (1). In addition, POEPOP surfactant may be used individually by 1 type, or may use 2 or more types together.
_{C 5 H 11 (C 3 H} 7) CHCH 2 - (OC 3 H 6) n - (OC 2 H 4) m -OH ... formula (1)
(In the formula, n represents the average added mole number of the oxypropylene residue, and m represents the average added mole number of the polyoxyethylene residue.)

  The average addition number n of oxypropylene residues of the POEPOP surfactant is 2.5 or less, preferably 0.5 to 2.5 or less, more preferably 1.5 to 2.3 or less. . When the average number of added moles is 2 or less, the detergency against a wide range of oil stains, in particular, the detergency of stains derived from engine oil or cutting oil is further improved. In the present embodiment, the “average added mole number” means a weighted average value when the body cleanser contains two or more compounds corresponding to the POEPOP surfactant.

  The average added mole number m of the polyoxyethylene residue of the POEPOP surfactant is preferably 4 to 5. When the average number of added moles is within the above range, the detergency with respect to a wide range of oil stains is further improved, and the detergency with respect to other stains including the stains derived from engine oil and cutting oil is more prone.

  The POEPOP surfactant has a propyl heptyl ether group at the terminal, preferably a 2-propyl heptyl ether group. The end group has a great influence on the cleaning performance. When a group other than propylheptyl ether group, for example, decyl ether group, is used, the cleaning performance is greatly deteriorated, and dirt derived from engine oil or cutting oil is cleaned. It becomes difficult to do. The same applies to groups other than the decyl ether group. In addition, the oxypropylene residue and the polyoxyethylene residue in the formula (1) may each be in the form of a block polymer or in the form of a random polymer.

  The content of the POEPOP surfactant is preferably 5 to 20% by mass, more preferably 7 to 17% by mass, and further preferably 10 to 15% by mass with respect to the total amount of the body cleaning agent. . When the content of the POEPOP surfactant is 5% by mass or more, there is a tendency that the detergency against a wide range of oil stains, in particular, the detergency of stains derived from engine oil and cutting oil is further improved. Moreover, when the content of the POEPOP surfactant is 20% by mass or less, the rinsing property tends to be further improved.

  The body cleaning agent of this embodiment may contain a surfactant other than the POEPOP surfactant. Such a surfactant is not particularly limited, and for example, a cationic surfactant, an amphoteric surfactant, an anionic surfactant, a nonionic surfactant (excluding POEPOP surfactant) Is mentioned.

  The cationic surfactant is not particularly limited, and specific examples thereof include alkyltrimethylammonium chloride, alkyldimethylbenzylammonium chloride, dialkyldimethylammonium chloride, alkyltrimethylammonium bromide, alkylpentaethoxyammonium chloride, and lanolin ethyl sulfate. Ammonium surfactants such as fatty acid aminopropylethyldimethylammonium and cationized cellulose; Amide surfactants such as acyldiethylaminoethylamide, acyldimethylaminopropylamide, and polyoxyethylene fatty acid amide; Can be mentioned.

  The amphoteric surfactant is not particularly limited, and specifically, betaine surfactants such as alkyldimethylaminoacetic acid betaine and acylamidopropyldimethylaminoacetic acid betaine having a fatty acid residue of 13 or more carbon atoms; N -Imidazolinium-based surfactants such as -alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, N-alkyl-N-carboxymethyl-N-hydroxyethylethylenediamine / lauryl sulfate and salts thereof; polyoctylpolyamino Examples thereof include glycine surfactants such as ethyl glycine; aminopropionic acid surfactants such as alkylaminopropionic acid and alkylaminodipropionic acid.

  Although it does not specifically limit as an anionic surfactant, Specifically, C17 or less sodium soap; Acyl sarcosine and its salt whose fatty acid residue has 17 or less carbon, acylamino acid and its salt, acyl Amino acid surfactants such as fluorinated peptides and salts thereof; addition of polyoxyalkylenes such as polyoxyethylene alkyl ether carboxylic acid and salts thereof, polyoxyethylene alkyl ether sulfuric acid and salts thereof, polyoxyethylene alkyl ether sulfonic acids and salts thereof Phosphoric acid surfactants such as alkyl phosphoric acid and its potassium salt and alkanolamine salt, polyoxyethylene alkyl ether phosphoric acid and its salt; dialkyl sulfosuccinate and its salt, polyoxyethylene sulfosuccinic acid alkyl ether and its salt Sulfosuccinic acid system such as Surface active agents; alkylphenol nonionic surfactants such as alkylphenol ether phosphate and salts thereof; sodium laureth sulfate, and the like.

  Although it does not specifically limit as a nonionic surfactant, Specifically, polyoxyethylene alkyl ether, polyoxyethylene sorbit beeswax, polyoxyethylene castor oil, polyoxyethylene sterol, polyoxyethylene hydrogenated sterol, polyoxy Polyoxyalkylene ether surfactants such as ethylene lanolin, polyoxyethylene lanolin alcohol, polyoxyethylene alkylphenyl formaldehyde condensate; phospholipids such as lecithin; propylene glycol fatty acid ester, glycerin fatty acid ester, polyglycerin fatty acid ester, polyoxy Ethylene glycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester of fatty acid residue having 17 or less carbon atoms, fatty acid residue Polyoxyethylene sorbit fatty acid ester is a saturated carbon chain, an ester-based surfactants such as polyethylene glycol fatty acid ester.

  The total content of surfactants other than the POEPOP surfactant is preferably 0 to 20% by mass, more preferably 1 to 10% by mass, and further preferably 3 with respect to the total amount of the body cleaning agent. -7% by mass.

〔Abrasive〕
By using an abrasive, the detergency can be enhanced by a physical friction effect, and dirt can be adsorbed on the particle surface. The abrasive (scrubbing material) contained in the body cleaner of the present embodiment is not particularly limited, and conventionally known ones can be appropriately selected and used. For example, biodegradable polymers, walnut shell particles, corn cob particles, apricot kernel particles, polyhydroxybutyrate particles, poly (hydroxybutyrate / hydroxyhexanoate) particles, esterified starch particles, cellulose acetate particles, Chitosan / cellulose / starch mixture particles, polybutylene succinate particles, polybutylene succinate adipate particles, polylactic acid particles, polyethylene succinate particles, polycaprolactone resin particles, polyglycolic acid particles, polytetramethylene adipate co-terephthalate particles , Polybutylene adipate terephthalate particles, polybutylene succinate co-adipate co-terephthalate particles, polybutylene succinate carbonate particles, polybutylene succinate terephthalate particles, polyethylene Down particles, and the like. An abrasive | polishing agent may be used individually by 1 type, or may use 2 or more types together.

  Among the above, the abrasive preferably contains a biodegradable polymer. By including the biodegradable polymer, it is excellent in degradability when released into the environment, and the environmental suitability tends to be further improved. The biodegradable polymer is not particularly limited, but for example, at least one selected from the group consisting of polybutylene succinate, polybutylene succinate adipate, polylactic acid, lactic acid glycolic acid copolymer, and polyhydroxybutyrate The above is mentioned.

  The average particle diameter of the abrasive is preferably 1 to 500 μm, more preferably 50 to 400 μm, and still more preferably 100 to 300 μm. When the average particle diameter of the abrasive is within the above range, the cleaning property tends to be further improved. The average particle diameter can be measured according to JIS Z 8801 with a dry particle size distribution analyzer (Robot Shifter RPS-105M manufactured by Seishin Enterprise Co., Ltd.).

  The content of the abrasive is preferably 1 to 10% by mass, more preferably 2 to 7% by mass, and further preferably 3 to 5% by mass with respect to the total amount of the body cleaning agent. When the content of the abrasive is 1% by mass or more, the detergency tends to be further improved. Moreover, it can be set as the cleaning agent by which physical irritation | stimulation at the time of using for a body was suppressed because content of an abrasive | polishing agent is 10 mass% or less.

〔Additive〕
The body cleaner of this embodiment may contain other additives as necessary. Although it does not restrict | limit especially as another additive, For example, a thickener, a pH adjuster, a moisturizer, and a solvent are mentioned.

(Thickener)
The thickener is not particularly limited as long as it is usually used for a detergent application, and includes a synthetic polymer or a natural polymer.

  The synthetic polymer is not particularly limited, and specifically, acrylic acid / alkyl methacrylate copolymer, carboxyvinyl polymer, polyvinyl alcohol, polyvinylpyrrolidone, carboxyalkylcellulose, carboxymethylcellulose, hydroxyethylcellulose hydroxypropyltrimethylammonium chloride. Ether, methylcellulose, ethylcellulose, hydroxypropylcellulose, methylhydroxypropylcellulose, propylene glycol alginate, methoxyethylene maleic anhydride copolymer, polydimethylmethylenepiperidinium chloride, polyvinyl acetate, polyvinyl alcohol, polyvinyl pyrrolidone, polyvinyl methyl ether , Nitrocellulose, polyethylene glycol fatty acid esthetics , Polyoxyethylene fatty acid esters, such as distearate, polyethylene glycol, a polyoxyethylene fatty acid esters methyl glycoside, such as polyoxyethylene dioleate methyl glucoside, and the like.

  Although it does not specifically limit as a natural polymer, Specifically, starch, soluble starch, carboxymethyl starch, methyl starch, cellulose, gelatin, gum arabic, xanthan gum, guar gum, locust bin gum, quince seed, carrageenan, galactan, pectin , Mannan, dextran, succinoglucan, curdlan, casein, albumin, collagen and the like.

  The content of the thickener is preferably 0.05 to 3.00% by mass, more preferably 0.10 to 1.00% by mass, and more preferably based on the total amount of the body cleaning agent. It is 0.20 to 0.50 mass%.

(PH adjuster)
By using a pH adjuster, it is possible to reduce irritation to the skin. The pH adjuster is not particularly limited as long as it is usually used for cleaning agents. For example, inorganic substances such as sodium hydroxide, potassium hydroxide, aqueous ammonia; trimethylamine, diethanolamine, diethylamine, triethanolamine, etc. An organic amine is mentioned.

  The content of the pH adjusting agent is preferably from 0.1 to 1% by mass, more preferably from 0.2 to 0.7% by mass, and still more preferably from 0. 1% to the total amount of the body cleaning agent. 3 to 0.5% by mass.

(Humectant)
By using a moisturizing agent, it is possible to prevent rough skin due to excessive degreasing, which contributes to improving the feeling of use. The humectant is not particularly limited as long as it is usually used for detergent applications. For example, trimethylglycine, urea, uric acid, ammonia, lecithin, lanolin, squalane, squalene, glucosamine, creatinine, DNA, RNA, etc. Examples include nucleic acid-related substances.

  The content of the humectant is preferably 0.01 to 3.00% by mass, more preferably 0.05 to 2.00% by mass, and still more preferably 0, based on the total amount of the body cleaning agent. 0.07 to 1.00% by mass.

(solvent)
As the solvent, water and / or a water-soluble organic solvent can be used. Of these, water is preferable. The content of the solvent is preferably 70 to 95% by mass, more preferably 75 to 90% by mass, and further preferably 80 to 85% by mass with respect to the total amount of the body cleaning agent.

(Other)
In addition, other additives other than those used in ordinary cleaning agents such as pigments, fragrances, and the like may be included as appropriate.

[Use]
The cleaning agent of this embodiment is preferably used as a body cleaning agent for cleaning the fingers, feet, torso, face, and head, and is used for cleaning strong dirt such as oil, rust, and carbon adhering to the fingers. It is more preferable.

[Production method of cleaning agent]
The cleaning agent of the present embodiment can be produced by mixing a POEPOP surfactant and an abrasive and, if necessary, other additives. The mixing method is not particularly limited, and a conventionally known method can be used, and examples thereof include a method of mixing using a stirring tank equipped with a stirring blade.

  Next, the present invention will be described in more detail with reference to Examples and Comparative Examples, but the present invention is not limited thereto.

[Cleaning performance]
What mixed 9 mass parts of the following oil stains with respect to 1 mass part of activated carbon powder (Wako Pure Chemical Industries Ltd.) was prepared as a model stain.
(Oil stains)
Water-insoluble cutting oil: BM405 (Yushiro Chemical Industry Co., Ltd.)
Engine oil: TRUSCO 4 cycle engine oil Viscosity: SAE10W-40
(Trusco Nakayama Corporation)
Grease: Unilube DL No. 1 (Kyodo Yushi Co., Ltd.)
Cutting fluid mixture: Mixture of water-soluble cutting oil collected from machine tools (water-soluble cutting oil + grease)

Prepare two white artificial leathers (Royal Leatherna Color: White), apply the above model dirt (artificial leather A) on one side, and apply the detergent composition obtained in Examples and Comparative Examples on the other side. (Artificial leather B). Artificial leathers A and B were rubbed together under a test load of 9 kPa and 50 seconds using a Martindale abrasion tester (manufactured by JAMES H. HEAL & CO. LTD. HALFAX ENGLAND). Thereafter, the surface of the artificial leather A was run for 10 seconds under running water without rubbing. Finally, residual dirt on the artificial leather A was confirmed using image analysis software “Scion”. Specifically, the black residue derived from the model stains on the white artificial leather was quantified in terms of brightness from 0 (low detergency) to 255 (high detergency), and the detergency was evaluated. The lightness was calculated as the average value of the entire artificial leather. The evaluation criteria are as follows.
(Evaluation criteria)
A: Lightness is 150 or more and 255 or less B ... Lightness is 50 or more and less than 150 C: Lightness is 10 or more and less than 50 D ... Lightness is 0 or more and less than 10

[Example 1]
In formula (1), n is 2 and m is 5, 12 parts by weight of nonionic surfactant, 0.4 parts by weight of triethanolamine, acrylic acid / alkyl methacrylate copolymer (Sumitomo Seika Co., Ltd., Product name: AQUPEC HV-701EDR) 0.24 parts by mass, trimethylglycine 0.09 parts by mass, fragrance 0.05 parts by mass, water 83.12 parts by mass, polybutylene succinate adipate (average particle size 120 μm) 4.1 Mass parts were mixed to obtain a cleaning composition.
_{C 5 H 11 (C 3 H} 7) CHCH 2 - (OC 3 H 6) n - (OC 2 H 4) m -OH ... formula (1)
(In the formula, n represents the average added mole number of the oxypropylene residue, and m represents the average added mole number of the polyoxyethylene residue.)

[Example 2]
Other than using a nonionic surfactant in which n is 2 and m is 4 in formula (1) instead of a nonionic surfactant in which n is 2 and m is 5 in formula (1) In the same manner as in Example 1, a cleaning composition was obtained.

Example 3
Other than using a nonionic surfactant in which n is 1 and m is 5 in formula (1) instead of a nonionic surfactant in which n is 2 and m is 5 in formula (1) In the same manner as in Example 1, a cleaning composition was obtained.

Example 4
Other than using the nonionic surfactant in which n is 1 and m is 4 in the formula (1) instead of the nonionic surfactant in which n is 2 and m is 5 in the formula (1) In the same manner as in Example 1, a cleaning composition was obtained.

Example 5
A detergent composition was obtained in the same manner as in Example 1 except that polybutylene succinate adipate (average particle size: 600 μm) was used instead of polybutylene succinate adipate (average particle size: 120 μm).

[Comparative Example 1]
Other than using a nonionic surfactant in which n is 2 and m is 6 in formula (1) instead of a nonionic surfactant in which n is 2 and m is 5 in formula (1) In the same manner as in Example 1, a cleaning composition was obtained.

[Comparative Example 2]
Other than using a nonionic surfactant in which n is 2 and m is 8 in formula (1) instead of a nonionic surfactant in which n is 2 and m is 5 in formula (1) In the same manner as in Example 1, a cleaning composition was obtained.

[Comparative Example 3]
Other than using a nonionic surfactant in which n is 1 and m is 6 in formula (1) instead of a nonionic surfactant in which n is 2 and m is 5 in formula (1) In the same manner as in Example 1, a cleaning composition was obtained.

[Comparative Example 4]
Other than using a nonionic surfactant in which n is 1 and m is 8 in formula (1) instead of a nonionic surfactant in which n is 2 and m is 5 in formula (1) In the same manner as in Example 1, a cleaning composition was obtained.

[Comparative Example 5]
Other than using a nonionic surfactant in which n is 3 and m is 4 in formula (1) instead of a nonionic surfactant in which n is 2 and m is 5 in formula (1) In the same manner as in Example 1, a cleaning composition was obtained.

[Comparative Example 6]
Other than using a nonionic surfactant in which n is 3 and m is 5 in formula (1) instead of the nonionic surfactant in which n is 2 and m is 5 in formula (1) In the same manner as in Example 1, a cleaning composition was obtained.

[Comparative Example 7]
Example 1 except that a nonionic surfactant whose terminal is a decyl ether group in the formula (1) was used instead of the nonionic surfactant whose terminal is a propylheptyl ether group in the formula (1) In the same manner as above, a cleaning composition was obtained.

[Comparative Example 8]
Example 2 except that a nonionic surfactant whose terminal is a decyl ether group in the formula (1) was used instead of the nonionic surfactant whose terminal is a propylheptyl ether group in the formula (1) In the same manner as above, a cleaning composition was obtained.

[Comparative Example 9]
Example except that a nonionic surfactant whose terminal is an isodecyl ether group in formula (1) was used instead of the nonionic surfactant whose terminal is a propylheptyl ether group in formula (1) In the same manner as in Example 4, a cleaning composition was obtained.

  INDUSTRIAL APPLICABILITY The present invention has industrial applicability as a cleaning agent for cleaning stubborn dirt such as cutting oil, high-viscosity grease, sebum adhering to the human body, soil dirt, and carbon black.

Claims (5)

Polyoxyethylene polyoxypropylene propyl heptyl ether type having an inorganic value of 350 to 500, an organic value of 400 to 550, and an average addition mole number of oxypropylene residues of 2.5 or less A nonionic surfactant;
Containing abrasives,
Body cleaner. The average addition mole number of polyoxyethylene residue of the polyoxyethylene polyoxypropylene propyl heptyl ether-based nonionic surfactant is 4 to 5,
The body cleaner according to claim 1. The average particle diameter of the abrasive is 1 to 500 μm.
The body cleaning agent according to claim 1 or 2. The abrasive comprises a biodegradable polymer;
The body washing | cleaning agent as described in any one of Claims 1-3. The abrasive comprises at least one selected from the group consisting of polybutylene succinate, polybutylene succinate adipate, polylactic acid, lactic acid glycolic acid copolymer, and polyhydroxybutyrate,
The body washing | cleaning agent of Claims 1-3.