CN113604293A - Composite cleaning agent and preparation method thereof - Google Patents
Composite cleaning agent and preparation method thereof Download PDFInfo
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- CN113604293A CN113604293A CN202111011006.5A CN202111011006A CN113604293A CN 113604293 A CN113604293 A CN 113604293A CN 202111011006 A CN202111011006 A CN 202111011006A CN 113604293 A CN113604293 A CN 113604293A
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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
- C11D1/83—Mixtures of non-ionic with anionic compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/42—Introducing metal atoms or metal-containing groups
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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
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0068—Deodorant 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/046—Salts
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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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/1213—Oxides or hydroxides, e.g. Al2O3, TiO2, CaO or Ca(OH)2
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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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
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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
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2006—Monohydric alcohols
- C11D3/2034—Monohydric alcohols aromatic
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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
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
- C11D3/227—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin with nitrogen-containing groups
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- 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
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
- C11D3/3773—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines in 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial 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
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
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- 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
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
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- 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
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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
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Abstract
The application relates to the field of detergents, in particular to a composite cleaning agent and a preparation method thereof. The composite cleaning agent is prepared from the following components in percentage by weight: degreasing agent: 1-10%; surfactant (b): 5-10%; and (3) bactericide: 0.01-0.1%; odor removing agent: 5-10%; phenol: 0.1-1%; and the balance: water; the degreasing agent is one or a composition of fatty alcohol ethoxylate and alkylamine ethoxylate. The composite cleaning agent prepared by the method has better stability, and the surfactant is not easy to precipitate at low temperature; meanwhile, the washed fabric has the effect of reducing peculiar smell.
Description
Technical Field
The invention relates to the field of detergents, in particular to a composite cleaning agent and a preparation method thereof.
Background
The cleaning agent is also called detergent, and the main component of the cleaning agent is surfactant. Common surfactants, such as sulfonates, sulfate salts, fatty acid salt anionic surfactants and quaternary ammonium salt cationic surfactants, can achieve the effects of cleaning and removing stains after being dissolved in water, and have mature process and low price, so the surfactant is widely applied, especially in the large-scale washing industry.
In the existing cleaning agent, anionic surfactant is more frequently used, so that the cost is low, and the cleaning effect of the surface of the fabric can be guaranteed. However, in a low temperature environment, the anionic surfactant is easily precipitated from water to form crystals, resulting in a serious decrease in the washing effect of the detergent.
Disclosure of Invention
The application provides a composite cleaning agent and a preparation method thereof, and the cleaning agent has excellent stability at low temperature, is not easy to precipitate crystals, and keeps a good washing and cleaning effect.
In a first aspect, the application provides a composite cleaning agent, which is prepared from the following components in percentage by weight:
degreasing agent: 1-10%;
surfactant (b): 5-10%;
and (3) bactericide: 0.01-0.1%;
odor removing agent: 5-10%;
phenol: 0.1-1%;
and the balance: water;
the degreasing agent is one or a composition of fatty alcohol ethoxylate and alkylamine ethoxylate.
By adopting the technical scheme, the phenomenon that the cleaning agent is crystallized in a low-temperature environment can be remarkably inhibited by adding the phenol, and the cleaning capability of the cleaning agent in the low-temperature environment is guaranteed. The degreasing agent has a good cleaning effect on adhered grease, the deodorant can effectively reduce odor residues on the surface of the fabric, and the bactericide can reduce bacterial breeding and improve the cleaning dimension of the cleaning agent.
Preferably, the surfactant is one or more of sodium fatty acid, linear alkyl benzene sulfonate, alkylphenol ethoxylates or fatty alcohol-polyoxyethylene ether sodium sulfate.
By adopting the technical scheme, the surfactant has good cleaning power, mature production process and low cost, and is suitable for large-scale washing industry.
Preferably, the deodorant is a metal ion modified polyacrylamide-nanoparticle complex, the metal ion modified polyacrylamide-nanoparticle complex is obtained by polymerizing an acrylamide monomer on the surface of chitosan in situ to obtain a complex, and then adsorbing transition metal ions on the surface of the complex.
The problem of bacterial breeding is inevitable when fabrics such as bedding and the like are used for a long time, and particularly in a cold environment, the bacterial breeding is serious, so that peculiar smell substances are generated. The odor generated by the fabric on the bed can be obviously eliminated by adding the odor removing agent.
The reason for the above phenomenon may be that transition metal ions such as copper ions, iron ions, zinc ions, nickel ions, etc. and coordination compounds thereof can react with main odor substances in life such as ammonia, mercaptan, etc. and convert the odor substances into odor-free substances, thereby playing a role in eliminating the odor on the surface of the fabric. The surface of the nano-particles has more active sites, and can adsorb transition metal ions to play a role of a carrier. Therefore, the chitosan with the surface loaded with the transition metal ions can effectively eliminate the peculiar smell. During the washing process, the surface of the fabric fiber, especially the natural cellulose fiber, is usually electronegative, so that the fabric fiber can adsorb the modified polyacrylamide-nanoparticle composite with electropositive surface, the modified polyacrylamide-nanoparticle composite is promoted to be loaded on the surface of the fabric fiber or in fiber gaps, and the effect of effectively eliminating peculiar smell is achieved during the use process.
In addition, in the application, the acrylamide is grafted on the surface of the nano-particles by adopting an in-situ polymerization process to form polyacrylamide, so that the metal ion adsorption effect of the nano-particles is further enhanced, and a better peculiar smell elimination effect is achieved.
Preferably, the nano particles adopt one or more of nano chitosan, nano silicon dioxide or nano metal oxide.
By adopting the technical scheme, the surface of the nano silicon dioxide or the nano metal oxide has higher specific surface area, and the surface of the nano silicon dioxide or the nano metal oxide can adsorb more transition metal cations due to the fact that the surface of the nano silicon dioxide or the nano metal oxide has negative potential or has groups for adsorbing the metal cations. And then the odor is removed after the subsequent reaction with the odor substances.
Preferably, the nano-particles are nano-chitosan.
By adopting the technical scheme, the chitosan surface contains more amino and hydroxyl groups, and can adsorb transition metal ions, so that the peculiar smell removing effect can be achieved. And the chitosan has broad-spectrum antibacterial effect, can reduce the bacterial growth on the surface of the fabric, reduces the generation of peculiar smell substances, and indirectly plays a certain role in removing peculiar smell.
Preferably, the metal ion modified polyacrylamide-nanoparticle composite is prepared according to the following method:
s1-1: mixing an emulsifier and water, adding nanoparticles, dispersing uniformly, then dropwise adding an acrylamide monomer and an initiator, fully reacting, filtering, washing and drying to obtain a polyacrylamide-nanoparticle complex;
s1-2: adding the polyacrylamide-nanoparticle composite into an aqueous solution containing transition metal ions, fully adsorbing the transition metal ions on the surface of the polyacrylamide-nanoparticle composite, and filtering and drying to obtain a modified polyacrylamide-nanoparticle composite; in the step S1-1, the concentration of acrylamide is 100-180 g/L, and the concentration of nanoparticles is 20-30 g/L.
By adopting the technical scheme, the in-situ polymerization of acrylamide monomers and the adsorption of transition metal ions are sequentially carried out on the nano particles to obtain the modified polyacrylamide-nano particle complex with more reaction activities of the odor substances, so that the odor substances containing ammonia and mercaptan on the surface of the fabric are fully removed.
Preferably, the bactericide is polyhexamethylene guanidine hydrochloride.
By adopting the technical scheme, the polyhexamethylene guanidine hydrochloride can destroy the metabolism of bacteria and viruses and lose the activity of the bacteria and the viruses, so that a path for inhibiting generation of peculiar smell substances is played, and the peculiar smell is removed. In addition, the polyhexamethylene guanidine hydrochloride does not contain harmful substances, belongs to a non-toxic product and does not harm human bodies.
In a second aspect, the application provides a preparation method of a composite cleaning agent, comprising the following operations:
heating water to 50-60 ℃, adding a degreasing agent, a surfactant, a deodorant, a bactericide and phenol, and fully mixing to obtain the composite cleaning agent.
By adopting the technical scheme, the raw materials are uniformly mixed to prepare the composite cleaning agent which has low-temperature stability and outstanding peculiar smell removal effect.
In summary, the present application has the following beneficial effects:
1. by adding phenol, the growth of crystals can be remarkably inhibited, so that the low-temperature stability of the cleaning agent is improved, and the cleaning capability of the cleaning agent at low temperature is guaranteed.
2. The transition metal ion modified polyacrylamide-nanoparticle complex is adopted in the application, so that the odor removing agent with extremely strong reaction activity is obtained, and can react with main odor substances in life such as ammonia, mercaptan and the like to convert the odor substances into odor-free substances, so that the cleaning dimensionality of the cleaning agent is improved.
Detailed Description
Preparation example of modified Polyacrylamide-nanoparticle composite
Preparation example 1, a modified polyacrylamide-nanoparticle composite was prepared according to the following steps:
s1-1: mixing 0.05 kg of polyoxyethylene monolaurate (an emulsifier) with 10L of water, adding 0.2 kg of nano chitosan, dropwise adding 1.5 kg of acrylamide monomer and 0.2 kg of 10 wt% of potassium persulfate aqueous solution (an initiator) after uniform dispersion, stirring, heating to 75 ℃, reacting at a constant temperature for 6 hours, cooling to room temperature (23 +/-2 ℃), filtering out particles, and washing with water for three times to obtain the polyacrylamide-nanoparticle composite;
s1-2: mixing 0.1 kg of the polyacrylamide-nanoparticle composite body with 5L of copper chloride solution (aqueous solution of transition metal ions) containing 3 wt%, ultrasonically dispersing for 20min to enable the surface of the polyacrylamide-nanoparticle composite body to fully adsorb the transition metal ions, filtering, and drying to constant weight to obtain the modified polyacrylamide-nanoparticle composite body.
Preparation example 2, a modified polyacrylamide-nanoparticle composite was prepared according to the following steps:
s1-1: mixing 0.06 kg of polyoxyethylene monolaurate (an emulsifier) with 10L of water, adding 0.3 kg of nano chitosan, dropwise adding 1.8 kg of acrylamide monomer and 0.25 kg of 10 wt% of potassium persulfate aqueous solution (an initiator) after uniform dispersion, stirring, heating to 80 ℃, reacting at a constant temperature for 5 hours, cooling to room temperature (23 +/-2 ℃), filtering out particles, and washing with water for three times to obtain the polyacrylamide-nanoparticle composite;
s1-2: mixing 0.1 kg of the polyacrylamide-nanoparticle composite with 5L of copper chloride solution (aqueous solution of transition metal ions) containing 5 wt%, ultrasonically dispersing for 20min to allow the surface of the polyacrylamide-nanoparticle composite to fully adsorb the transition metal ions, filtering, and drying to constant weight to obtain the modified polyacrylamide-nanoparticle composite.
Preparation example 3, a modified polyacrylamide-nanoparticle composite, differs from preparation example 1 in that the nanoparticles are directly mixed with an aqueous solution of transition metal ions for modification without in-situ polymerization of acrylamide monomer, and the specific operation is as follows:
mixing 0.1 kg of nano chitosan with 5L of copper chloride solution (aqueous solution of transition metal ions) containing 3 wt%, ultrasonically dispersing for 20min to enable the surface of the polyacrylamide-nanoparticle composite body to fully adsorb the transition metal ions, filtering, and drying to constant weight to obtain the modified polyacrylamide-nanoparticle composite body.
Preparation example 4, a modified polyacrylamide-nanoparticle composite, was different from preparation example 1 in that, in step S1-1, nano-titania was used in place of nano-chitosan in equal amounts.
Preparation example 5, a modified polyacrylamide-nanoparticle composite, was different from preparation example 1 in that, in step S1-1, nano-silica was used in place of nano-chitosan in equal amounts.
Preparation example 6, a modified polyacrylamide-nanoparticle composite, was different from preparation example 1 in that, in step S1-2, an equal amount of zinc chloride solution was used instead of the copper chloride solution.
Preparation example 7, a modified polyacrylamide-nanoparticle composite, was different from preparation example 1 in that, in step S1-2, an equal amount of ferric chloride solution was used instead of the cupric chloride solution.
Preparation example 8, a modified polyacrylamide-nanoparticle composite, was different from preparation example 1 in that, in step S1-2, an equal amount of ferrous chloride solution was used instead of the copper chloride solution.
Examples
Example 1, a composite cleaning agent, the selection of each raw material component and the corresponding amount are shown in table 1, and the composite cleaning agent is prepared according to the following method:
heating water to 50 ℃, adding a degreasing agent, a surfactant, a deodorant, a bactericide and phenol, and fully mixing to obtain the composite cleaning agent.
Examples 2 to 3, which are different from example 1 in that the selection of each raw material component and the corresponding amount thereof are shown in table 1.
Table 1 selection of raw materials and their respective amounts (kg) of the composite cleaners in examples 1 to 3
Wherein the fatty alcohol ethoxylate in table 1 is obtained from Hubeixin Rundd chemical, CAS number 160901-19-9; sodium fatty alcohol polyoxyethylene ether sulfate was obtained from Wuhankangqiong biomedical science and technology under CAS number 61791-10-4; alkylphenol ethoxylates available from OP-10 of southbound lucent-rich petrochemical; polyhexamethylene guanidine hydrochloride was obtained from Hangzhou Roche Biotechnology under CAS number 57028-96-3.
Examples 4 to 10, which are different from example 1 in that the deodorizing agents prepared in preparation examples 2 to 8 were used as the deodorizing agents, respectively.
Example 11, a composite cleaning agent, differs from example 1 in that the same amount of nano chitosan was used instead of the deodorant prepared in preparation example 1.
Comparative example
Comparative example 1, a composite cleaning agent, differs from example 1 in that no phenol was added to the raw material components.
Comparative example 2, a heavy duty fabric cleaner, was prepared by mixing the following raw materials:
17 kg of sodium dodecyl benzene sulfonate; 15 kilograms of potassium pyrophosphate; 2 kilograms of sodium carboxymethyl cellulose; 1.5 kilograms of five water sodium metasilicate; 0.3 kg of EDTA-4 Na; 2 kilograms of sodium xylene; 72.2 kg of deionized water.
Performance detection test:
test 1: preparing a cleaning agent low-temperature stability test sample: 500g of each of the cleaning agents prepared in examples 1 to 11 and comparative examples 1 to 2 was used as a sample.
The test method comprises the following steps: the tests were carried out according to the regulations and standards of GB/T19137-. Placing the sample in a centrifuge tube, cooling to (0 soil 2) ° C in a refrigerator, keeping the centrifuge tube and the content at (0 soil 2) ° C for 1h, stirring once every 15min for 15s, checking and recording whether solid or oily substances are separated out. The tube was returned to the freezer and placed at (0S 2) deg.C for a further 7 days. After 7d, the tube was removed, allowed to stand at room temperature (not more than 20 ℃) for 3 hours, and centrifuged. 15min (the relative centrifugal force at the top of the pipe is 500 g-600 g, g is the acceleration of gravity). The volume of the educt at the bottom of the tube (to the nearest 0.05mL) was recorded and the results of the test are shown in table 2.
Table 2 cleaning agent low temperature stability test results
Test 2: odor removal performance test of cleaning agent
Sample method: (1) the concentration of the mixture is respectively prepared in 5.5L glass bottles to be 500 +/-50 mg/m3NH of (2)3And 9 groups of methyl mercaptan were added to 10g of the modified polyacrylamide-nanoparticle composite prepared in preparation examples 1 to 8, and the remaining group of glass bottles was used as a blank control without any substance. The concentration of the gas after 30min of exposure was measured, and the elimination rate was calculated, and the test results are shown in Table 3.
(2) The cotton sheet was washed in a washing machine at a bath ratio of 1:15, and the cleaning agents prepared in example 1 and comparative example 2 were added to water at a dosage of 5%. Washing for 1h, drying 60 to constant weight. And (3) respectively cutting a piece of 30-by-30 cm fabric for testing, putting the fabric sample into a glass bottle according to the test operation in the step (1), measuring the change of the gas concentration after the fabric sample is put into the glass bottle for 30min, and calculating the elimination rate of the fabric sample, wherein the test result is shown in table 3.
The test instrument: an ammonia gas detection tube, an HP5840A gas chromatograph, a 5.5L glass bottle and a syringe.
TABLE 3 odor removal Performance test results for cleaning agents
And (3) analyzing test results:
(1) as can be seen by combining examples 1-11 with comparative examples 1-2 and by combining Table 2, examples 1-11 used phenol but not comparative examples 1-2, and examples 1-11 have more excellent low temperature stability than comparative examples 1-2 and are not easily crystallized at a temperature of 0 ℃. The reason for this may be that at low temperature, the solubility of the surfactant is reduced, and an oily substance or crystal grains are precipitated, and at this time, the phenol can play a role in inhibiting crystal growth, thereby improving the low temperature stability of the detergent and ensuring the cleaning effect thereof.
(2) By combining examples 1-11 and comparative examples 1-2 and table 3, it can be seen that the modified polyacrylamide-nanoparticle composite is used as a deodorant, so that odor generated in the use process of the fabric can be effectively reduced, and the multi-dimensional cleanness of the fabric can be maintained.
The reason for the above phenomenon may be that the surface of the textile fiber, especially the natural cellulose fiber, is negatively charged when washed with water, and thus the modified polyacrylamide-nanoparticle composite with positively charged surface can be adsorbed, so that the modified polyacrylamide-nanoparticle composite is supported on the surface of the textile fiber or in the fiber gap. The modified polyacrylamide-nanoparticle complex is nanoparticles with chitosan grafted polyacrylamide as a carrier and a large amount of transition metal (cation) ions adsorbed on the surface, wherein the transition metal ions on the surface can react with main odor substances in life such as ammonia, mercaptan and the like and convert the odor substances into odor-free substances, so that the effect of eliminating the odor on the surface of the fabric is achieved. Finally, the washed fabric has the effect of inhibiting the generation of peculiar smell.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The composite cleaning agent is characterized by being prepared from the following components in percentage by weight:
degreasing agent: 1-10%;
surfactant (b): 5-10%;
and (3) bactericide: 0.01-0.1%;
odor removing agent: 5-10%;
phenol: 0.1-1%;
and the balance: water;
the degreasing agent is one or a composition of fatty alcohol ethoxylate and alkylamine ethoxylate.
2. The composite cleaning agent as claimed in claim 1, wherein the surfactant is one or more selected from sodium aliphatate, sodium linear alkyl benzene sulfonate, alkylphenol ethoxylates and sodium fatty alcohol-polyoxyethylene ether sulfate.
3. The composite cleaning agent as claimed in claim 1, wherein the deodorant is a metal ion modified polyacrylamide-nanoparticle composite obtained by in-situ polymerization of acrylamide monomer on chitosan surface, and then adsorbing transition metal ions on the surface of the composite.
4. The composite cleaning agent as claimed in claim 3, wherein the transition metal ions are selected from one or more of zinc ions, copper ions, iron ions and manganese ions.
5. The composite cleaning agent as claimed in claim 3, wherein the nanoparticles are one or more of nano chitosan, nano silica or nano metal oxide.
6. The composite cleaning agent as claimed in claim 3, wherein the nanoparticles are made of chitosan nanoparticles.
7. The composite cleaning agent as claimed in claim 3, wherein the metal ion modified polyacrylamide-nanoparticle composite is prepared by the following method:
s1-1: mixing an emulsifier and water, adding nanoparticles, dispersing uniformly, then dropwise adding an acrylamide monomer and an initiator, fully reacting, filtering, washing and drying to obtain a polyacrylamide-nanoparticle complex;
s1-2: adding the polyacrylamide-nanoparticle composite into an aqueous solution containing transition metal ions, fully adsorbing the transition metal ions on the surface of the polyacrylamide-nanoparticle composite, and filtering and drying to obtain a modified polyacrylamide-nanoparticle composite;
in the step S1-1, the concentration of acrylamide is 100-180 g/L, and the concentration of nanoparticles is 20-30 g/L.
8. The compound cleaning agent as claimed in claim 1, wherein the bactericide is polyhexamethylene guanidine hydrochloride.
9. The preparation method of the composite cleaning agent as claimed in any one of claims 1 to 8, characterized by comprising the following operations:
heating water to 50-60 ℃, adding a degreasing agent, a surfactant, a deodorant, a bactericide and phenol, and fully mixing to obtain the composite cleaning agent.
Priority Applications (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114107998A (en) * | 2021-12-06 | 2022-03-01 | 佛山市顺德区正泽精细化工有限公司 | Environment-friendly cleaning degreaser |
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