CN115926898B - Nanometer cleaning stock solution composition - Google Patents

Nanometer cleaning stock solution composition Download PDF

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CN115926898B
CN115926898B CN202211472944.XA CN202211472944A CN115926898B CN 115926898 B CN115926898 B CN 115926898B CN 202211472944 A CN202211472944 A CN 202211472944A CN 115926898 B CN115926898 B CN 115926898B
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Xiangte Technology Fujian Co ltd
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Abstract

The application relates to the technical field of cleaning agents, and particularly provides a nano cleaning stock solution composition, which comprises, by weight, 100% of raw material components, 5-20% of polyacrylamide, 10-35% of sodium dodecyl sulfate or sodium dodecyl benzene sulfonate, 5-20% of a metal chelating agent, 10-30% of fatty alcohol polyoxyethylene ether, 10-25% of water-soluble silicon wax and 1-5% of nano inorganic oxide, wherein the water-soluble silicon wax is phenyl and polyethylene glycol co-modified polysiloxane. The nano cleaning stock solution composition provided by the application is free of water, convenient to transport, and can be directly used after being diluted by adding water before use, and has a good cleaning effect when being used for vehicle cleaning.

Description

Nanometer cleaning stock solution composition
Technical Field
The application relates to the technical field of cleaning agents, in particular to a nano cleaning stock solution composition.
Background
The surface of the automobile is easy to adsorb dust, and even more stubborn stains such as bird droppings, gum and the like sometimes exist. Automotive cleaning has become a daily task of a family of vehicles. However, the existing car cleaning agent is usually prepared into aqueous solution, and is large in volume when purchased, and is not suitable for families. The automobile cleaning agent is prepared into a cleaning stock solution without water, the occupied volume is small, and when in use, water with corresponding multiple is added for stirring and dilution, so that the cleaning agent can be obtained for cleaning the automobile.
Disclosure of Invention
The automobile is usually waxed after being cleaned, so that the appearance of the automobile is protected, the ultraviolet-proof function is achieved, and the brightness is enhanced, and the sensory effect is improved. And the process of waxing is added after cleaning, so that the cost is increased. In the prior art, a brightening agent is added into a cleaning agent, and brightening and protecting effects are achieved simultaneously after cleaning. However, the existing automobile cleaning agent is difficult to simultaneously meet the effects of cleaning, brightening, UV resistance, protection and the like.
In order to solve the technical problems, the application provides a nano cleaning stock solution composition.
The application adopts the following technical scheme:
The nanometer cleaning stock solution composition comprises the following raw material components, by weight, 5-20% of polyacrylamide, 10-35% of sodium dodecyl sulfate or sodium dodecyl benzene sulfonate, 5-20% of a metal chelating agent, 10-30% of fatty alcohol polyoxyethylene ether, 10-25% of water-soluble silica wax and 1-5% of nanometer inorganic oxide;
The water-soluble silicon wax has a chemical structure shown in a formula (1),
Wherein the chemical formula of R 1 is- (CH 2)n Ph, n=0-3, ph represents phenyl, the structural formula of R 2 is-CH 2CH2CH2O(CH2CH2O)mR4,m≥20,R4 selected from H, methyl or ethyl, R 3 is selected from hydroxyl or methyl, a+b+c is 20-2000, a/(a+b+c) =0.1-0.3, and b/(a+b+c) =0.4-0.7.
Preferably, m is more than or equal to 30.
Preferably, the method comprises the steps of, the a+b is more than or equal to 0.7 and less than or equal to (a+b)/(a+b+c) and less than or equal to 0.95.
Preferably, the chemical formula of the fatty alcohol-polyoxyethylene ether is R 6O(CH2CH2O)p H, wherein R 6 is selected from C5-C18 hydrocarbon groups, and p is more than or equal to 5.
Preferably, the nano inorganic oxide is a first nano inorganic oxide, and the surface of the first nano inorganic oxide is grafted with an organic structure containing quaternary ammonium salt functional groups;
Or, the nano inorganic oxide is a second nano inorganic oxide, and the surface of the second nano inorganic oxide is grafted with a polyether structure with a general formula of- (CH 2CH3CHO)x(CH2CH2O)yR11), wherein x is more than or equal to 6 and less than or equal to 30, y is more than or equal to 10 and less than or equal to 50, y-x is more than or equal to 10, and R 11 is selected from C6-C18 alkyl or substituted alkyl.
More preferably, the organic structure containing quaternary ammonium functionality is R 7R8R9R10N+X-, wherein R 7 is selected from C1-C6 alkylene, R 8 is selected from C12-C24 alkyl, R 9 and R 10 are each selected from C1-C6 alkyl, C1-C6 substituted alkyl or phenyl, and X - is an anion.
More preferably, the nano inorganic oxide is composed of the first nano inorganic oxide and the second nano inorganic oxide according to a weight ratio of 1:10-10:1.
Preferably, the average particle size of the nano inorganic oxide is 10-100nm.
Preferably, the nano inorganic oxide is selected from one or a combination of several of silicon dioxide, aluminum oxide, titanium dioxide, zirconium oxide, zinc oxide, cerium oxide and tungsten trioxide.
Preferably, the raw material component further comprises a pH regulator.
In summary, the application has the following beneficial effects:
1. According to the application, through selection of raw materials and weight component adjustment, the nano cleaning stock solution composition without water is obtained, 20-100 times of water by weight is added during use, and the cleaning agent can be obtained after stirring, and has good cleaning, UV resistance, brightness and protection effects during automobile cleaning, and is convenient to use.
2. The polyethylene glycol silicone wax containing the phenyl is added into the nano cleaning stock solution, so that the nano cleaning stock solution has good water solubility, a protective layer is formed on the surface of an automobile after cleaning, the brightness and the protective effect can be provided, and meanwhile, the phenyl provides the UV absorption performance, so that the protective layer also has the UV resistance function, and the yellowing and damage of the automobile paint caused by sunlight irradiation are reduced.
3. According to the application, the nano inorganic oxide is added into the cleaning stock solution, so that the nano inorganic oxide can rub the surface of the automobile during cleaning, and the cleaning efficiency and the cleaning effect are improved. When the quaternary ammonium salt is grafted on the surface of the nano inorganic oxide, the cleaning effect can be improved by utilizing the positive charge performance of the quaternary ammonium salt to adsorb dust particles, the friction force of the dust in slight scratches on the surface of paint is difficult to touch during cleaning, the dust can be cleaned by electrostatic adsorption, and meanwhile, the quaternary ammonium salt also has a sterilization function, so that the surface of an automobile is sterilized and disinfected, and the health of the automobile is improved; when the polyether chain segments are grafted on the surface of the nano inorganic oxide, the hydrophilic and hydrophobic structures in the polyether structure can play a good role in dissolving and dispersing some greasy dirt, and the cleaning effect is improved. When the nano inorganic oxide consists of the quaternary ammonium salt grafted nano inorganic oxide and the polyether grafted nano inorganic oxide, the cleaning effect is further improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below.
Throughout the specification, unless specifically indicated otherwise, the terms used herein should be understood as meaning as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification will control.
The application provides a nano cleaning stock solution composition, which comprises the following raw material components, by weight, 5-20% of polyacrylamide, 10-35% of sodium dodecyl sulfate or sodium dodecyl benzene sulfonate, 5-20% of a metal chelating agent, 10-30% of fatty alcohol polyoxyethylene ether, 10-25% of water-soluble silicon wax and 1-5% of nano inorganic oxide;
In the present application, the water-soluble silicone wax functions to provide brightness enhancing, protecting and UV-resistant effects. In the prior art, oil-soluble wax is needed to be prepared into emulsion, water is needed to be added into cleaning liquid, an anhydrous stock solution method cannot be adopted, and generally, the oil-soluble wax has no UV resistance. In the application, the water-soluble silicon wax has a chemical structure shown in a formula (1),
Wherein the chemical formula of R 1 is- (CH 2)n Ph, n=0-3, ph represents phenyl, the structural formula of R 2 is-CH 2CH2CH2O(CH2CH2O)mR4,m≥20,R4 selected from H, methyl or ethyl, R 3 is selected from hydroxyl or methyl, a+b+c is 20-2000, a/(a+b+c) =0.1-0.3, and b/(a+b+c) =0.4-0.7.
In the molecular structure of the water-soluble silicone wax, a phenyl group is introduced into the existing polyethylene glycol silicone wax structure, the phenyl group can absorb UV, and after an automobile is cleaned, the water-soluble silicone wax can form a protective layer on the surface of the automobile, so that the water-soluble silicone wax has the functions of brightening and protecting, has the function of resisting UV, and reduces the damage of ultraviolet light to the automobile paint.
The application adopts the water-soluble silicon wax, and solves the technical problems that the water is added into the cleaning liquid and the anhydrous stock solution cannot be prepared because the emulsion prepared by emulsifying the oil-soluble wax by adopting the emulsifying agent can not be used. In addition, when the automobile needs to be cleaned again, the water-soluble silicon wax is easy to dissolve in water and is washed away, so that the cleaning effect is not affected. In addition, the water-soluble silica wax enables the surface of the automobile to be changed from hydrophobic to hydrophilic, static electricity generated by friction with air in the running process of the automobile can be removed as soon as possible, and dust in the air is prevented from being adsorbed due to static electricity accumulation, so that the obvious dust adsorption on the surface of the automobile is avoided.
Furthermore, in the chemical structure of the formula (1), m is more than or equal to 30. The larger the value of m is, the higher the melting point of the water-soluble silicon wax is, the higher the hardness of the water-soluble silicon wax is, the harder the formed protective layer is, the better the protective property is, and the phenomenon of melting of the protective layer caused by high temperature in summer or direct sun heating can be avoided.
Further, in the chemical structure of the formula (1) of the present application, a+b satisfies 0.7.ltoreq.a+b)/(a+b+c.ltoreq.0.95. The higher the value of (a+b)/(a+b+c), the less the soft dimethylsiloxane segment is contained, and the higher the melting point of the water-soluble silicone wax. However, when the value of c is too low, there is a problem in that the steric hindrance is too large to completely graft R 1 and/or R 2 in the preparation of the water-soluble silicone wax. Furthermore, a+b is more than or equal to 0.8 and less than or equal to (a+b)/(a+b+c) and less than or equal to 0.95; still further, the method comprises the steps of, the a+b is less than or equal to 0.85 and less than or equal to (a+b)/(a+b+c) is less than or equal to 0.95.
In the application, the water-soluble silicone wax can be prepared by performing hydrosilylation on corresponding hydrogen-containing silicone oil and corresponding alkenyl benzene or alkenyl polyethylene glycol, or prepared by performing hydrosilylation on corresponding phenyl hydrogen-containing silicone oil and corresponding alkenyl polyethylene glycol. Both hydrogen containing silicone oils and phenyl hydrogen containing silicone oils are well known in the art and can be purchased either directly from the market or self-made. The self-making process of hydrogen-containing silicone oil includes the following steps: adopting hexamethyldisiloxane as a blocking agent, carrying out catalytic ring-opening reaction on octamethyl cyclotetrasiloxane and tetramethyl cyclotetrasiloxane according to a certain weight ratio under the action of an acid catalyst, and obtaining the hydrogen-containing silicone oil after post treatment. The self-made method of the phenyl hydrogen-containing silicone oil can be as follows: adopting hexamethyldisiloxane as a blocking agent, carrying out catalytic ring-opening reaction on tetramethyl tetraphenyl cyclotetrasiloxane, octamethyl cyclotetrasiloxane and tetramethyl cyclotetrasiloxane according to a certain weight ratio under an acidic catalyst, and obtaining the phenyl hydrogen-containing silicone oil after post treatment.
The method for preparing the water-soluble silicone wax from the hydrogen-containing silicone oil can be as follows: adding hydrogen-containing silicone oil, vinyl benzene and allyl polyethylene glycol into a reactor according to a certain weight ratio, heating to 80-90 ℃, adding a certain amount of Karstedt catalyst, and maintaining the reaction temperature at 125-130 ℃ for 3-5 hours to obtain the water-soluble silicone wax. The method for preparing the water-soluble silicone wax from the phenyl hydrogen-containing silicone oil can be as follows: adding phenyl hydrogen-containing silicone oil and allyl polyethylene glycol into a reactor according to a certain weight ratio, heating to 80-90 ℃, adding a certain amount of Karstedt catalyst, and maintaining the reaction temperature at 125-130 ℃ for 3-5 hours to obtain the water-soluble silicone wax.
Further, in the application, the chemical formula of the fatty alcohol-polyoxyethylene ether is R 6O(CH2CH2O)p H, wherein R 6 is selected from C5-C18 alkyl, and p is more than or equal to 5. When R 6 is C7-C9 alkyl and p=5, the fatty alcohol-polyoxyethylene ether has better permeation performance, and is used as a permeation agent, such as a permeation agent JFC. When R 6 is C12-C18 alkyl and p is more than or equal to 9, the fatty alcohol polyoxyethylene ether has better surface activity, and can be used as an emulsifier, a dispersing agent, a detergent and the like, such as AEO-9, AEO-12, AEO-15, peregal O-10, peregal O-15 and peregal O-20. Further, the fatty alcohol-polyoxyethylene ether is selected from one or more of penetrating agent, AEO-9, AEO-12, AEO-15, peregal O-10, peregal O-15, peregal O-20, etc.
Further, in the application, the nano inorganic oxide is a first nano inorganic oxide, and the surface of the first nano inorganic oxide is grafted with an organic structure containing quaternary ammonium salt functional groups;
Or, the nano inorganic oxide is a second nano inorganic oxide, and the surface of the second nano inorganic oxide is grafted with a polyether structure with a general formula of- (CH 2CH3CHO)x(CH2CH2O)yR11), wherein x is more than or equal to 6 and less than or equal to 30, y is more than or equal to 10 and less than or equal to 50, y-x is more than or equal to 10, and R 11 is selected from C6-C18 alkyl or substituted alkyl.
The organic structure of the quaternary ammonium salt functional group grafted on the surface of the first nano inorganic oxide can exert the friction decontamination effect of the nano inorganic oxide, can exert the antibacterial property of the quaternary ammonium salt and the adsorption effect on dust, and improves the sanitation and cleaning effect of the automobile surface. The organic structure of the quaternary ammonium salt functional group grafted on the surface of the first nano inorganic oxide can be prepared by adopting various methods, for example, a silane coupling agent containing quaternary ammonium salt can be directly reacted with the first nano inorganic oxide, an epoxy group-containing silane coupling agent can be directly reacted with the first nano inorganic oxide, the epoxy group on the surface can be prepared into a tertiary amine structure with a secondary amine compound, the tertiary amine structure can be subjected to quaternization reaction, a silane coupling agent containing chloralkyl can be directly reacted with the first nano inorganic oxide, the chloralkyl on the surface can be subjected to quaternization reaction with the tertiary amine, and the like.
The polyether structure is grafted on the surface of the second nano inorganic oxide, and has good emulsifying and dispersing effects, so that the friction decontamination effect of the nano inorganic oxide is exerted, the emulsifying and dispersing effects of the polyether structure are also exerted, and the cleaning effect is improved. The surface grafted polyether structure of the second nano inorganic oxide can be prepared by several methods, such as reacting the second nano inorganic oxide with a hydrosilane coupling agent, then performing hydrosilylation with alkenyl polyether with a general formula -CH=CH(CH2)q(CH2CH3CHO)x(CH2CH2O)yR11, wherein q=1-3, or reacting the second nano inorganic oxide with an amino silane coupling agent, then reacting with epoxy polyether, or reacting the second nano inorganic oxide with an epoxy silane coupling agent, then reacting with amino polyether, or preparing a silane coupling agent containing alkenyl polyether and then reacting with the second nano inorganic oxide, and the like.
Further, in the present application, the organic structure containing the quaternary ammonium salt functional group is R 7R8R9R10N+X-, wherein R 7 is selected from C1-C6 alkylene, R 8 is selected from C12-C24 alkyl, R 9 and R 10 are respectively selected from C1-C6 alkyl, C1-C6 substituted alkyl or benzyl, and X - is an anion. Further, R 7 may be propylene, R 8 may be dodecyl, octadecyl, behenyl/tetracosyl, etc., R 9 may be methyl, R 10 may be methyl, benzyl, ethyloxyacetyl (-CH 2COOC2H5), etc.
Still further, in the present application, the nano inorganic oxide is composed of the first nano inorganic oxide and the second nano inorganic oxide in a weight ratio of 1:10 to 10:1. The combination of the first nano inorganic oxide and the second nano inorganic oxide can jointly play the roles of the first nano inorganic oxide and the second nano inorganic oxide, so that the cleaning effect is better. Still further, the nano inorganic oxide is composed of the first nano inorganic oxide and the second nano inorganic oxide according to a weight ratio of 1:5-5:1.
Further, in the present application, the average particle diameter of the nano inorganic oxide is 10 to 100nm. Further, the average particle size of the nano inorganic oxide is 20-50nm
Further, in the present application, the nano inorganic oxide may be selected from one or a combination of several of silica, alumina, titania, zirconia, zinc oxide, cerium oxide and tungsten trioxide.
Further, in the present application, the raw material component further comprises a pH adjuster. The pH regulator can be triethanolamine, sodium hydroxide, diethylene glycol amine and the like, and the addition amount of the pH regulator ensures that the pH of the nano cleaning stock solution is 7-8 after the nano cleaning stock solution is diluted by adding water.
In the application, the polyacrylamide is used as a thickener, reduces the friction resistance of the diluted cleaning agent and improves the cleaning effect of the cleaning agent. The polyacrylamide may be anionic, cationic or nonionic, and there is no particular limitation in the nano-cleaning stock solution of the present application.
In the present application, the metal chelating agent is used to complex metal ions in water, especially calcium ions, magnesium ions, etc. The metal chelating agent is not particularly limited and may be selected from sodium tripolyphosphate, EDTA or EDTA-disodium.
The nano cleaning stock solution can be prepared according to the following method: adding sodium dodecyl sulfate or sodium dodecyl benzene sulfonate, fatty alcohol polyoxyethylene ether and water-soluble silicon wax into a reactor, heating to a temperature which is at least 5-20 ℃ higher than the melting point of the water-soluble silicon wax, stirring and dissolving uniformly, adding polyacrylamide and a metal chelating agent, stirring uniformly, and finally adding nano inorganic oxide, and dispersing uniformly. When sodium dodecyl sulfate or sodium dodecyl benzene sulfonate, fatty alcohol polyoxyethylene ether and water-soluble silicon wax are uniformly mixed, the stirring speed can be 100-300rpm, and when polyacrylamide and metal chelating agent and nano inorganic oxide are added, high-speed stirring, such as 600-1000rpm, can be adopted.
When the nano cleaning stock solution is used, water is directly added to dilute the nano cleaning stock solution for 20-100 times, and the nano cleaning stock solution is stirred into uniform semitransparent dispersion liquid, so that the cleaning solution can be obtained. The nano cleaning stock solution can be used for cleaning the surface of an automobile after being diluted, for example, according to the following method: after the surface of the automobile is wetted, a layer of cleaning liquid is smeared on the surface of the automobile manually or mechanically, and then the automobile is uniformly wiped by a towel, or the automobile can be continuously wiped by superfine fibers.
The nano-cleaning stock solution composition of the present application will be described in detail with reference to examples, comparative examples and experimental data. Unless otherwise indicated, parts in the following examples and comparative examples are parts by weight.
Preparation example 1a
Adding hydrogen-containing silicone oil (chemical formula (CH3)3SiO[Si(CH3)2O]9.2[SiHCH3O]92.3Si(CH3)3)、 styrene and allyl polyethylene glycol CH 2=CHCH2O(CH2CH2O)33.5 H according to the mole number of H, the mole number of styrene and the mole number ratio of allyl polyethylene glycol of 1:0.3:0.7 in the hydrogen-containing silicone oil) into a container, heating to 90 ℃, adding Karstedt catalyst (15 ppm according to Pt) under nitrogen atmosphere, maintaining the reaction temperature at 125-130 ℃ for reacting for 4 hours, and cooling to obtain the water-soluble silicon wax.
Preparation example 1b
Adding phenyl hydrogen-containing silicone oil (chemical formula (CH3)3SiO[Si(CH3)2O]7.4[SiPhCH3O]24.1[SiHCH3O]69.8Si(CH3)3)、 allyl polyethylene glycol CH 2=CHCH2O(CH2CH2O)46.3 H is added according to the mole ratio of H to allyl polyethylene glycol in the phenyl hydrogen-containing silicone oil of 1:1) into a container, heating to 90 ℃, adding Karstedt catalyst (15 ppm according to Pt) under nitrogen atmosphere, maintaining the reaction temperature at 125-130 ℃ for 3.5 hours, and cooling to obtain the water-soluble silicone wax.
PREPARATION EXAMPLE 2a
Dispersing 5 parts of silicon dioxide with the average particle size of 35nm into 100 parts of absolute ethanol solution of dimethyl octadecyl [3- (trimethoxy silicon-based) propyl ] ammonium chloride with the concentration of 1wt%, stirring for 1 hour at room temperature, heating to 45+/-2 ℃ for reaction for 1 hour, cooling, filtering, washing with deionized water for 2 times, and drying in a 60 ℃ oven overnight to obtain the quaternized modified nano silicon dioxide.
PREPARATION EXAMPLE 2b
Dispersing 5 parts of alumina with the average particle diameter of 42nm into 100 parts of 3-aminopropyl trimethoxy silane absolute ethanol solution with the concentration of 2wt%, stirring for 1 hour at room temperature, heating to 45+/-2 ℃ for reaction for 1 hour, cooling, filtering, washing with deionized water for 2 times, and drying in a 60 ℃ oven for overnight to obtain the amino modified nano alumina.
3 Parts of amino-modified nano alumina is dispersed into 100 parts of epoxy-terminated polyether (absolute ethyl alcohol solution of a chemical formula CH2CHOCH2O(CH2CH3CHO)11.6(CH2CH2O)25.8C8H17), 0.01 part of 2-methylimidazole is added, stirring is carried out for 3 hours at room temperature, filtering is carried out, absolute ethyl alcohol is used for cleaning for 2 times, and drying is carried out in a 50 ℃ oven for overnight, so that the polyether-modified nano alumina is obtained.
Example 1
100 Parts of nano cleaning stock solution is prepared according to the following formula: 16 parts of nonionic polyacrylamide, 24 parts of sodium dodecyl sulfate, 12 parts of sodium tripolyphosphate, 10 parts of penetrating agent JPC, 20 parts of AEO-9, 15 parts of water-soluble silica wax of preparation example 1a and 3 parts of nano silica.
Example 2
The nanosilica in example 1 was replaced with an equal weight of quaternized modified nanosilica of preparation 2 a.
Example 3
The nanosilica in example 1 was replaced with an equal weight of polyether modified nanosilica of preparation 2 b.
Example 4
The nanosilica of example 1 was replaced with an equal weight of a nanosilica inorganic oxide consisting of quaternized modified nanosilica of preparation 2a and polyether modified nanosilica of preparation 2b in a weight ratio of 1:2.
Example 5
100 Parts of nano cleaning stock solution is prepared according to the following formula: 10 parts of nonionic polyacrylamide, 25 parts of sodium dodecyl benzene sulfonate, 9 parts of EDTA, 10 parts of penetrating agent JPC, 20 parts of AEO-9, 20 parts of water-soluble silica wax of preparation example 1b, 2.5 parts of quaternized modified nano-silica of preparation example 2a, 2.5 parts of polyether modified nano-alumina of preparation example 2b and 1 part of triethanolamine.
Example 6
In example 5, the water-soluble silica wax was adjusted from 20 parts to 22 parts, the quaternized modified nano-silica was adjusted from 2.5 parts to 1.5 parts, and the polyether modified nano-alumina was adjusted from 2.5 parts to 1.5 parts, with the remaining steps remaining unchanged.
Example 7
In example 5, the water-soluble silica wax was adjusted from 20 parts to 24 parts, the quaternized modified nano-silica was adjusted from 2.5 parts to 0.5 parts, and the polyether modified nano-alumina was adjusted from 2.5 parts to 0.5 parts, with the remaining steps remaining unchanged.
Example 8
100 Parts of nano cleaning stock solution is prepared according to the following formula: 10 parts of nonionic polyacrylamide, 35 parts of sodium dodecyl sulfate, 7 parts of EDTA, 8 parts of penetrating agent JPC, 22 parts of AEO-12, 15 parts of water-soluble silica wax of preparation example 1b, 3 parts of polyether modified nano alumina of preparation example 2b and 1 part of triethanolamine.
Example 9
In example 8, the water-soluble silicone wax of preparation example 1b was replaced with an equal weight fraction of the water-soluble silicone wax of preparation example 1a, the remaining steps remaining unchanged.
Comparative example 1
In preparation example 1a, styrene was replaced with equimolar allyl polyethylene glycol CH 2=CHCH2O(CH2CH2O)33.5 H, i.e. the molar ratio of H mole to allyl polyethylene glycol in the hydrogen-containing silicone oil was 1:1, and the remaining steps remained unchanged, to obtain the water-soluble silicone wax.
In example 1, the water-soluble silicone wax of preparation example 1a was replaced with an equal weight fraction of the above water-soluble silicone wax, and the rest of the procedure was kept unchanged.
Comparative example 2
In example 5, the water-soluble silicone wax of preparation example 1b was replaced with an equal weight part of the water-soluble silicone wax prepared in comparative example 1, and the remaining steps were kept unchanged.
Comparative example 3
In example 1, no water-soluble silicone wax was added and the rest of the procedure remained unchanged.
Comparative example 4
In example 5, no water-soluble silicone wax was added and the rest of the procedure remained unchanged.
Comparative example 5
No nanosilica was added in example 1, the rest of the procedure remained unchanged.
Comparative example 6
In example 5, no quaternized modified nanosilica was added and the rest of the procedure remained unchanged.
Comparative example 7
In preparation example 1b, allyl polyethylene glycol CH 2=CHCH2O(CH2CH2O)46.3 H was replaced with equimolar allyl polyethylene glycol CH 2=CHCH2O(CH2CH2O)10.5 H, and the remaining steps remained unchanged, to obtain a water-soluble silicone wax.
In example 1, the water-soluble silicone wax of preparation example 1a was replaced with an equal weight fraction of the above water-soluble silicone wax, and the rest of the procedure was kept unchanged.
Comparative example 8
In example 5, the water-soluble silicone wax of preparation example 1b was replaced with an equal weight part of the water-soluble silicone wax prepared in comparative example 7, and the remaining steps were kept unchanged.
Performance testing
The nano-cleaning stock solution compositions of examples 1-9 and comparative examples 1-8 were diluted with 50 volumes of water, respectively, to obtain cleaning solutions.
Spraying a primer on a clean iron plate with the thickness of 1m multiplied by 1m, drying, spraying a commercial moxa to obtain a white pearl automotive paint, standing at room temperature for 48 hours, and polishing to obtain a substrate to be tested.
And placing the substrate to be tested in an outdoor shady and ventilated place for 7 days, and distributing a large amount of dust on the surface of the substrate to be tested. After the substrate to be tested is washed once with water, a layer of cleaning liquid diluted by the nano cleaning stock solution compositions of examples 1-9 and comparative examples 1-8 is respectively manually smeared, the cleaning liquid is uniformly wiped by a towel, and then the cleaning liquid is wiped by superfine fibers.
Drop angle test: five points in the middle and around the substrate to be tested are tested by adopting a water drop angle tester, and the average value of the five points is calculated. The lower the water drop angle is, the better the hydrophilicity of the paint surface after cleaning is, the better the water-soluble silicone wax forms a film, and the better the antistatic effect is.
Gloss test: five points in the middle and around of the substrate to be tested are adopted to test the glossiness of 60 degrees by a vehicle paint glossiness tester, and the average value of the five points is calculated. The higher the gloss, the cleaner the wash, the more uniform the film formation of the water-soluble silicone wax.
Spraying a primer on a clean iron plate with the thickness of 0.2mX0.2 m, drying, spraying a commercial moxa to obtain white pearl automotive paint, standing at room temperature for 48h, and polishing to obtain a substrate to be tested.
After the substrate to be tested is washed once by water, a layer of cleaning liquid diluted by the nano cleaning stock solution compositions of the examples 1-9 and the comparative examples 1-8 is respectively manually smeared, and the substrate is uniformly wiped by a towel and then is wiped by superfine fibers.
UV resistance test: and (3) placing the cleaned substrate to be tested in a 60 ℃ environment, irradiating for 1 month at the UV irradiation intensity of 10W/cm 2, and testing the yellowing index by adopting a yellow index tester. The higher the yellowing index, the poorer the anti-UV effect.
The results are shown in Table 1.
TABLE 1
From the data in table 1, the cleaning solution obtained by diluting the nano cleaning stock solution has better cleaning effect. Comparative examples 1 to 4, comparative example 1, comparative example 3, comparative example 5 and comparative example 7 have better cleaning effect when the nano inorganic oxide is modified with quaternized or polyether, and have high glossiness, and the water-soluble silicone wax possibly formed with film is also filled with part of nano inorganic oxide, which improves the reflection of UV light, so the yellowing index is also reduced; when the water-soluble silicone wax does not contain phenyl, the UV resistance of the water-soluble silicone wax is more deteriorated due to the UV absorption performance of the benzene ring, and the glossiness is also reduced, and the refractive index of the water-soluble silicone wax is also improved due to the existence of the benzene ring, so that the glossiness is improved; when no water-soluble silicone wax is added into the nano cleaning stock solution composition, the glossiness and the UV resistance are poor; when no nano inorganic oxide is added into the nano cleaning stock solution composition, the glossiness and the UV resistance are both poor, the cleaning is possibly not clean, and the nano inorganic oxide has a function of reflecting UV light, so that the UV resistance is improved; when the polymerization degree of the allyl polyethylene glycol is low, the water-soluble silicon wax is in a liquid state at normal temperature, and cannot form a film, so that the glossiness and the UV resistance are affected.
In comparative examples 5-7, the water-soluble silicone wax was increased, the nano inorganic oxide was correspondingly decreased, and the hydrophilic property of the film was affected by the decrease of the quaternary ammonium salt group, and the glossiness was also deteriorated, indicating that the cleaning effect was insufficient, and the yellowing index was increased, indicating that the nano inorganic oxide was filled in the film of the water-soluble silicone wax, and also improving the reflection of UV light and the UV resistance.
The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.

Claims (4)

1. A nano cleaning stock solution composition is characterized in that: according to 100 percent by weight, the composite material comprises the following raw material components of 5 to 20 percent of polyacrylamide, 10 to 35 percent of sodium dodecyl sulfate or sodium dodecyl benzene sulfonate, 5 to 20 percent of metal chelating agent, 10 to 30 percent of fatty alcohol polyoxyethylene ether, 10 to 25 percent of water-soluble silica wax, and 1 to 5 percent of first nano inorganic oxide and second nano inorganic oxide;
the water-soluble silicon wax has a chemical structure shown in a formula (1),
(1)
Wherein, the chemical formula of R 1 is- (CH 2)n Ph, n=0-3, ph represents phenyl, the structural formula of R 2 is-CH 2CH2CH2O(CH2CH2O)mR4,m≥30,R4 selected from H, methyl or ethyl, R 3 is selected from hydroxyl or methyl, a+b+c is not less than 20 and not more than 2000, a/(a+b+c) =0.1-0.3, b/(a+b+c) =0.4-0.7;
The a+b is more than or equal to 0.7 and less than or equal to (a+b)/(a+b+c) and less than or equal to 0.95;
The weight ratio of the first nano inorganic oxide to the second nano inorganic oxide is 1:10-10:1; the first nano inorganic oxide is selected from one or a combination of more of silicon dioxide, aluminum oxide, titanium dioxide, zirconium oxide, zinc oxide, cerium oxide and tungsten trioxide, and the surface of the first nano inorganic oxide is grafted with an organic structure containing quaternary ammonium salt functional groups; the organic structure containing quaternary ammonium salt functional group is R 7R8R9R10N+X-, wherein R 7 is selected from C 1-C6 alkylene, R 8 is selected from C 12-C24 alkyl, R 9 and R 10 are respectively selected from C 1-C6 alkyl, C 1-C6 substituted alkyl or phenyl, and X-is an anion;
the second nano inorganic oxide is selected from one or a combination of more than one of silicon dioxide, aluminum oxide, titanium dioxide, zirconium oxide, zinc oxide, cerium oxide and tungsten trioxide, and the surface of the second nano inorganic oxide is grafted with a polyether structure with a general formula of- (CH 2CH3CHO)x(CH2CH2O)yR11), wherein x is more than or equal to 6 and less than or equal to 30, y is more than or equal to 10 and less than or equal to 50, y-x is more than or equal to 10, and R 11 is selected from C 6-C18 alkyl or substituted alkyl.
2. The nano-cleaning stock solution composition according to claim 1, wherein: the chemical general formula of the fatty alcohol-polyoxyethylene ether is R 6O(CH2CH2O)p H, wherein R 6 is selected from hydrocarbon groups of C 5-C18, and p is more than or equal to 5.
3. The nano-cleaning stock solution composition according to claim 1, wherein: the average particle size of the nano inorganic oxide is 10-100nm.
4. The nano-cleaning stock solution composition according to claim 1, wherein: the raw material component also comprises a pH regulator.
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