A dry cleaning agent for down jackets and preparation method thereof

Abstract

The present invention relates to the field of clothing washing technology, in particular to the field of IPC C11D3, and more specifically to a dry-cleaning agent for down jackets and a preparation method thereof. The components, by weight percentage, include: 4-7% surfactant, 3-7% solvent, 4-9% penetrant, 0.1-0.2% antibacterial agent, 0.1-0.2% enzyme preparation, and water to make up the remainder. When the weight ratio of the solvent, penetrant, and enzyme preparation is (5-7): (5-8): (0.1-0.15), the decontamination and penetration effects of the dry-cleaning agent can be improved; and when the enzyme preparation includes protease and cellulase, and the weight ratio of the protease and cellulase is 1: (0.5-1), the cleaning ability of the dry-cleaning agent on polyester fiber fabrics can be further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of clothing washing, in particular to the field of IPC C11D3, and more specifically to a dry-cleaning agent special for down jackets and a preparation method thereof. Background Art

[0002] Current dry-cleaning agents for down jackets usually use highly penetrating surfactants as their main ingredients. Their cleaning power is not high enough, leaving residues and failing to fundamentally remove stains. Some use oily solvents to achieve the effect of like dissolving like to remove stains on down jackets. Since down jackets are filled with poultry down, during the dry-cleaning process, the down is completely immersed in the dry-cleaning agent, and the solution penetrates into the fibers. In addition, the fabrics used for down jackets are generally high-density fabrics or coated fabrics. Therefore, although they are recycled through high-speed spinning and drying, the dry-cleaning fluid that has penetrated into the clothing and fibers is difficult to completely discharge, resulting in long-term residue in the down jackets. Down jackets that have been dry-cleaned often emit an odor for a long time and are toxic to a certain extent. This residual dry-cleaning agent may be harmful to human health.

[0003] CN 111334377B discloses a phase-change down jacket dry-cleaning agent and a preparation method thereof, comprising the following raw materials in parts by weight: 1.5 to 3.5 parts of dimethyl silicone oil, 4 to 8.5 parts of silica gel, 2.5 to 5 parts of a biomass surfactant, 57 to 80 parts of a first solvent, and 16.5 to 27 parts of a second solvent. The first solvent is an organic solvent, and excessive organic solvent residue may cause health hazards to a certain extent. Summary of the Invention

[0004] In order to overcome the shortcomings of the background technology, the present invention provides a dry cleaning agent for down jackets and a preparation method thereof. By adjusting the ratio between the components, the amount of organic solvent added is reduced while still maintaining excellent stability, decontamination ability and penetration effect.

[0005] To achieve the purpose of the present invention, the first aspect of the present invention provides a dry cleaning agent specifically for down jackets, which comprises, by weight percentage, 4-7% surfactant, 3-7% solvent, 4-9% penetrant, 0.1-0.2% antibacterial agent, 0.1-0.2% enzyme preparation, and the balance made up of water.

[0006] The surfactant includes surfactant A, surfactant B, and surfactant C, and the weight ratio of surfactant A, surfactant B, and surfactant C is 1:(0.2-0.5):(2-4).

[0007] Preferably, the weight ratio of surfactant A, surfactant B, and surfactant C is 1:0.3:2.

[0008] The surfactant A comprises alkyl glycoside and alkyl alcohol ether, and the weight ratio of the alkyl glycoside to the alkyl alcohol ether is 1:(0.8-1.5).

[0009] Preferably, the surfactant A comprises alkyl glycoside and alkyl alcohol ether, and the weight ratio of the alkyl glycoside to the alkyl alcohol ether is 1:1.5.

[0010] The alkyl alcohol ether includes one of lauryl alcohol ether ammonium sulfate, octadecylamine polyoxyethylene ether, and alkyl polyethylene glycol ether.

[0011] Preferably, the alkyl alcohol ether includes ammonium lauryl alcohol ether sulfate, brand: BASF, model: ASESA.

[0012] Preferably, the alkyl glycosides include C8-C 14 of alkyl glycosides.

[0013] Preferably, the alkyl glycoside comprises C 12 -C 14 Alkyl glycosides were purchased from Shandong Jinyu Shijia Chemical Co., Ltd.

[0014] The surfactant B comprises one of sodium salt of dioctyl sulfosuccinate, tallow amine polyoxyethylene ether, sorbitan fatty acid ester, and sorbitan polyoxyethylene ether oleate.

[0015] Preferably, the surfactant B comprises sodium salt of dioctyl sulfosuccinate, which is purchased from Hai'an Petrochemical Plant in Jiangsu Province.

[0016] The surfactant C includes C 12 -C 15 Branched alcohol ethoxylates.

[0017] Preferably, the surfactant C comprises C 13 Isomeric alcohol ethoxylate, model: Sasol 13 / 90, brand: Hubei Xinyuhong.

[0018] The solvent includes at least one of ethylene glycol, propylene glycol, glycerol, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol propyl ether, propylene glycol butyl ether, dipropylene glycol methyl ether, dipropylene glycol ethyl ether, dipropylene glycol propyl ether, and dipropylene glycol butyl ether.

[0019] Preferably, the solvent comprises propylene glycol methyl ether.

[0020] The penetrant includes one or more of dimethyl sulfoxide, sulfated castor oil, sodium alkyl sulfonate, and sodium alkylbenzene sulfonate.

[0021] Preferably, the penetrant comprises dimethyl sulfoxide.

[0022] The antibacterial agent includes at least one of limonene, cinnamaldehyde, paeonol, chitosan, denatured ethanol and sodium citrate.

[0023] Preferably, the antibacterial agent comprises limonene.

[0024] The enzyme preparation comprises protease and cellulase, and the weight ratio of the protease to the cellulase is 1:(0.5-1).

[0025] Preferably, the enzyme preparation comprises protease and cellulase, and the weight ratio of the protease to the cellulase is 1:0.6.

[0026] Preferably, the protease comprises one of acidic protease, neutral protease, alkaline protease and papain.

[0027] Further preferably, the protease includes alkaline protease, which is purchased from Henan Huiteng Chemical Products Sales Co., Ltd.

[0028] Preferably, the cellulase comprises neutral cellulase purchased from Xiasheng Biotechnology Development Co., Ltd.

[0029] The weight ratio of the surfactant to the penetrant is 1:(0.8-1.3).

[0030] Preferably, the weight ratio of the surfactant to the penetrant is 1:1.

[0031] The applicant has found that when the weight ratio of the solvent, penetrant and enzyme preparation is (5-7): (5-8): (0.1-0.15), the decontamination and penetration effects of the dry cleaning agent can be improved. After the dry cleaning agent contacts the stain, the solvent contacts the stain, dissolving the surface of the stain while fully covering the stain. The enzyme preparation can further dissolve the stain. In order to further improve the dissolution efficiency of the enzyme preparation, a specific proportion of penetrant can accelerate the decomposition of the stain, while reducing the amount of solvent added and improving the safety of the dry cleaning agent. Further research found that the solvent is propylene glycol methyl ether and the penetrant is dimethyl sulfoxide, which can increase the dry cleaning agent's cleaning ability for oil stains. Although the solvent and penetrant have strong oil solubility, resulting in poor hydrophilicity, under the action of multiple surfactants, the wettability of the solvent and penetrant is effectively improved.

[0032] The weight ratio of the solvent, the penetrant and the enzyme preparation is (5-7): (5-8): (0.1-0.15).

[0033] Preferably, the weight ratio of the solvent, the penetrant and the enzyme preparation is 7:5:0.1.

[0034] The second aspect of the present invention provides a dry cleaning agent for down jackets and a preparation method thereof, comprising the following steps:

[0035] S1, adding a surfactant, a solvent, and a penetrant to water and mixing them uniformly to obtain a mixed solution 1;

[0036] S2, adding the antibacterial agent and enzyme preparation to the mixed solution 1, and mixing them evenly to obtain the product.

[0037] Beneficial effects:

[0038] 1. When the weight ratio of the solvent, penetrant and enzyme preparation is (5-7): (5-8): (0.1-0.15), the decontamination and penetration effects of the dry cleaning agent can be improved.

[0039] 2. The enzyme preparation includes protease and cellulase, and the weight ratio of the protease and cellulase is 1: (0.5-1)

[0040] When the dry cleaning agent is used, the cleaning ability of the dry cleaning agent on polyester fiber fabrics can be further improved.

[0041] 3. The surfactant includes surfactant A, surfactant B, and surfactant C. When the weight ratio of surfactant A, surfactant B, and surfactant C is 1: (0.2-0.5): (2-4), the stability of the dry cleaning agent can be improved.

[0042] 4. When the weight ratio of the surfactant to the penetrant is 1:(0.8-1.3), the penetration ability of the dry cleaning agent can be improved while reducing the amount of solvent used. DETAILED DESCRIPTION

[0043] Example 1

[0044] A dry cleaning agent specially used for down jackets comprises the following components by weight: 5% surfactant, 7% solvent, 5% penetrant, 0.15% bacteriostat, 0.1% enzyme preparation, and the balance made up of water.

[0045] The surfactant includes surfactant A, surfactant B, and surfactant C, and the weight ratio of surfactant A, surfactant B, and surfactant C is 1:0.3:2.

[0046] The surfactant A is alkyl glycoside and alkyl alcohol ether, and the weight ratio of the alkyl glycoside to the alkyl alcohol ether is 1:1.5.

[0047] The alkyl alcohol ether is ammonium lauryl alcohol ether sulfate, brand: BASF, model: ASESA.

[0048] The alkyl glycoside is C 12 -C 14 Alkyl glycosides were purchased from Shandong Jinyu Shijia Chemical Co., Ltd.

[0049] The surfactant B is sodium salt of dioctyl sulfosuccinate, purchased from Hai'an Petrochemical Plant in Jiangsu Province.

[0050] The surfactant C is C 13 Isomeric alcohol ethoxylate, model: Sasol 13 / 90, brand: Hubei Xinyuhong.

[0051] The solvent is propylene glycol methyl ether (CAS registration number 107-98-2).

[0052] The penetrant is dimethyl sulfoxide (CAS registration number 67-68-5).

[0053] The antibacterial agent is limonene (CAS registration number 138-86-3).

[0054] The enzyme preparation comprises protease and cellulase, and the weight ratio of the protease to the cellulase is 1:0.6.

[0055] The protease is alkaline protease, purchased from Henan Huiteng Chemical Products Sales Co., Ltd.

[0056] The cellulase is neutral cellulase purchased from Xiasheng Biotechnology Development Co., Ltd.

[0057] The second aspect of the present invention provides a dry cleaning agent for down jackets and a preparation method thereof, comprising the following steps:

[0058] S1, adding a surfactant, a solvent, and a penetrant to water and mixing them uniformly to obtain a mixed solution 1;

[0059] S2, adding the antibacterial agent and the enzyme preparation to the mixed solution 1, and mixing them evenly to obtain the product.

[0060] Example 2

[0061] The specific implementation is the same as that of Example 1; the difference is that the components in Example 2 are: surfactant 6%, solvent 6%, penetrant 5%, bacteriostat 0.15%, enzyme preparation 0.1%, and water makes up the balance.

[0062] Example 3

[0063] The specific implementation is the same as that of Example 1; the difference is that the weight ratio of surfactant A, surfactant B, and surfactant C in Example 3 is 1:0.2:2.5.

[0064] Comparative Example 1

[0065] The specific implementation is the same as Example 1; the difference is that the weight ratio of surfactant A, surfactant B, and surfactant C in Comparative Example 1 is 1:1:1.

[0066] Comparative Example 2

[0067] The specific implementation method is the same as Example 1; the difference is that the components in Comparative Example 2 are: surfactant 5%, solvent 8%, penetrant 4%, antibacterial agent 0.15%, enzyme preparation 0.1%, and water to make up the balance.

[0068] Comparative Example 3

[0069] The specific implementation is the same as Example 1; the difference is that the components in Comparative Example 3 are: surfactant 5%, solvent 9%, penetrant 3%, bacteriostat 0.15%, enzyme preparation 0.1%, and water to make up the balance.

[0070] Performance testing methods

[0071] The dry cleaning agents obtained in Examples 1-3 and Comparative Examples 1-3 were subjected to performance tests, and the test data are listed in Table 1.

[0072] 1) Stability: High temperature stability - keep at 40℃ for 24 hours, return to room temperature, and observe whether there are obvious changes compared with before the experiment (stratification, flocculent impurities); Low temperature stability - keep at -5℃ for 24 hours, return to room temperature, and observe whether there are obvious changes compared with before the experiment (stratification, flocculent impurities).

[0073] 2) Decontamination: Spray wine, juice, blood, and oil stains on a white down jacket with dry cleaning agent. After 30 seconds, wipe with the same intensity until no residue is left. Record the number of wipes.

[0074] 3) Penetration: Spray the oil stains on the white down jacket with down jacket dry cleaning agent. After 10 seconds, spray and wipe 8 times. Compare the residues and divide them into four grades: A, B, C, and D. Use a whiteness tester (textile fabric whiteness tester WSB-3) to test. The initial whiteness is S0, the test whiteness is S, and the net rate is defined as M=

[0075] (S0-S) / S*100%, defines M of grade A as 95-100%, M of grade B as 85-95%, M of grade C as 65-85%, and M of grade D as less than 65%.

[0076] Performance test data

[0077] Table 1

[0078]

Claims

1. A dry cleaning agent for down jackets, characterized in that: The components include, by weight percentage: 5% surfactant, 7% solvent, 5% penetrant, 0.15% bacteriostat, 0.1% enzyme preparation, and the balance is made up of water; The surfactant includes surfactant A, surfactant B, and surfactant C; the weight ratio of surfactant A, surfactant B, and surfactant C is 1:0.3:2; The surfactant A is alkyl glycoside and alkyl alcohol ether, and the weight ratio of the alkyl glycoside and alkyl alcohol ether is 1:1.5; the alkyl alcohol ether is ammonium lauryl alcohol ether sulfate; the alkyl glycoside is C 12 -C 14 Alkyl glycosides; The surfactant B is dioctyl sulfosuccinate sodium salt; The surfactant C is C 13 Isomeric alcohol ethoxylates; The solvent is propylene glycol methyl ether; The penetrant is dimethyl sulfoxide; The antibacterial agent is limonene; The enzyme preparation comprises protease and cellulase, and the weight ratio of the protease to the cellulase is 1:0.6; the protease is alkaline protease; and the cellulase is neutral cellulase.

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