CN111889025A - Acid-alkali-resistant salt-resistant super-amphiphilic molecule emulsifier, preparation method thereof and emulsion - Google Patents
Acid-alkali-resistant salt-resistant super-amphiphilic molecule emulsifier, preparation method thereof and emulsion Download PDFInfo
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Abstract
The invention relates to the technical field of surfactants, and provides a super-amphiphilic molecular emulsifier which is constructed by polyether amine and a sulfonate-containing substance through electrostatic interaction; when the super-amphiphile emulsifier is used, two oxygen atoms on a sulfonate group contained in the super-amphiphile can form a stable structure with cations of salt in the environment in an electrostatic interaction mode, and an oxypropylene group (PO) contained in the super-amphiphile further strengthens the stability of the structure, so that the salt tolerance of the super-amphiphile emulsifier is further improved; because the super amphiphilic molecule contains the acidic group sulfonate and the basic group amino simultaneously, the super amphiphilic molecule can give out protons and can accept the protons, thereby improving the acid and alkali resistance of the super amphiphilic molecule emulsifier; finally, under the combined action of the sulfonic group, the amido group and the PO group, the acid and alkali resistance and the salt resistance of the emulsifier are improved. Experimental results show that the emulsion prepared by using the super amphiphilic molecule emulsifier provided by the invention has certain acid and alkali resistance and salt resistance.
Description
Technical Field
The invention relates to the technical field of surfactants, in particular to an acid-base-resistant salt-resistant super amphiphilic molecular emulsifier, a preparation method thereof and an emulsion.
Background
Amphiphilic molecules, also known as surfactants, refer to molecules that contain both hydrophilic and hydrophobic moieties, the hydrophilic and hydrophobic moieties being linked by a covalent bond. The super amphiphilic molecule is also called super amphiphilic molecule emulsifier and refers to amphiphilic molecules constructed based on non-covalent bonds. In a super amphiphile, the building blocks are linked together by non-covalent bonds, for example, by weak interactions such as electrostatic interactions, which link the individual parts of the amphiphile together.
Due to the existence of intermolecular interaction, the super-amphiphile has unique characteristics such as dynamics, stimulus responsiveness and the like, so that the super-amphiphile compound can be switched between an active form and an inactive form. Therefore, the super-amphiphilic molecular emulsifier is used in the emulsion, and the emulsification of the emulsion and the reversible regulation and control of the emulsion breaking process can be realized.
Although the prior art provides some superamphiphilic molecular emulsifiers for reversible regulation of the emulsification and breaking process of emulsions. However, the existing super-amphiphilic molecular emulsifier has poor salt resistance and is difficult to stably exist under strong acid or strong alkali conditions, so that the super-amphiphilic molecular emulsifier is difficult to play a role under some harsh conditions such as high salt, strong acid or strong alkali and the like.
Disclosure of Invention
In view of the above, the invention aims to provide an acid-base-resistant salt-resistant super-amphiphilic molecular emulsifier, a preparation method thereof and an emulsion. The amphiphilic molecule emulsifier provided by the invention has certain strong acid resistance, strong alkali resistance and salt resistance.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides an acid-base-resistant salt-resistant super-amphiphilic molecular emulsifier, which comprises polyetheramine and a sulfonate-containing substance; the sulfonate-containing substance comprises sulfonic acid and/or sulfonate, and the polyether amine and the sulfonate-containing substance are combined through electrostatic interaction.
Preferably, the weight ratio of the polyether amine to the sulfonate-containing substance is 1 (0.15-2.85).
Preferably, the polyetheramine is at least one of D230, D400, D2000 and bisaminopropylpolydimethylsiloxane.
Preferably, the sulfonic acid is at least one of benzenesulfonic acid, p-toluenesulfonic acid, 4-hydroxybenzenesulfonic acid, sulfanilic acid, 4-dodecylbenzenesulfonic acid, dodecylsulfonic acid, tetradecylsulfonic acid, and hexadecylsulfonic acid.
The invention also provides a preparation method of the acid-base-resistant salt-resistant super-amphiphilic molecule emulsifier, which comprises the following steps:
and mixing the polyether amine and the sulfonate-containing substance to obtain the acid-base salt-resistant super-amphiphilic molecular emulsifier.
Preferably, the mixing temperature is 20-80 ℃.
Preferably, the mixing time is 0.5-3 h.
The invention also provides an emulsion, which comprises the following components in parts by weight based on 100 parts of the total weight of the emulsion: 0.1-30 parts of a super-amphiphilic molecular emulsifier, 10-50 parts of an oil phase and the balance of a water phase; the super amphiphilic molecule emulsifier is the acid-base-resistant salt-tolerant super amphiphilic molecule emulsifier in the technical scheme or prepared by the preparation method in the technical scheme.
Preferably, the oil phase is at least one of diesel, gasoline, toluene, xylene, n-heptane, cyclohexane, limonene, paraffin oil, gassed oil and crude oil.
Preferably, the aqueous phase is pure water.
The invention provides an acid-base-resistant salt-resistant super-amphiphilic molecular emulsifier, which comprises polyetheramine and a sulfonate-containing substance; the sulfonate-containing substance comprises sulfonic acid or sulfonate, and the polyether amine and the sulfonate-containing substance are combined through electrostatic interaction. The super-amphiphilic molecular emulsifier provided by the invention is formed by mutually electrostatic interaction of polyether amine and sulfonate-containing substancesWhen the emulsifier is used, two oxygen atoms on a sulfonate group contained in the super-amphiphilic molecule can form a stable structure with cations of salt in the environment in an electrostatic interaction mode, and an oxypropylene group (PO) contained in the super-amphiphilic molecule further strengthens the structure, so that the salt resistance of the super-amphiphilic molecule emulsifier is further improved; the super-amphiphilic molecule provided by the invention contains an acidic group sulfonate and a basic group amino simultaneously, so that the super-amphiphilic molecule can give out protons and can receive the protons, the acid and alkali resistance of the super-amphiphilic molecule is improved, and the acid and alkali resistance and the salt resistance of the emulsifier are improved under the combined action of the sulfonate, the amino and the PO groups. Experimental results show that the emulsion prepared by using the super-amphiphilic molecular emulsifier provided by the invention contains 1-5 wt% of NaCl and 0.1 wt% of CaCl2Or 0.1 to 0.5 wt% of MgCl2Standing for 24 hours at room temperature in a saline environment without layering, and proving that the super-amphiphilic molecular emulsifier has certain salt tolerance; under the environment that the pH value is 1.4-12.0, no layering is carried out for 24 hours, and only a small amount of water is separated out after 2 weeks, so that the super-amphiphilic molecular emulsifier is proved to have good acid and alkali resistance.
Drawings
FIG. 1 is a schematic representation of the appearance of a super-amphiphile prepared in example 6 of the present invention;
FIG. 2 is an appearance diagram of a conventional emulsion prepared in application example 1 of the present invention;
FIG. 3 is an appearance of microemulsion prepared by application example 4 of the present invention;
FIG. 4 is an external view of a nano-emulsion prepared by application example 5 of the present invention;
FIG. 5 is a graph of the appearance of emulsions prepared with 1 wt%, 3 wt%, and 5 wt% NaCl brine for application example 8 of the present invention;
FIG. 6 is a graph of the appearance of emulsions prepared with 1 wt%, 3 wt%, and 5 wt% NaCl brine in application example 8 of the present invention after standing for 24 hours;
FIG. 7 shows the results of using 0.1 wt%, 0.3 wt% and 0.5 wt% MgCl for application example 8 of the present invention2Appearance of emulsions prepared with brine;
FIG. 8 shows the results of using 0.1 wt%, 0.3 wt% and 0.5 wt% MgCl for application example 8 of the present invention2Emulsions prepared with brineAppearance after standing for 24 hours;
FIG. 9 shows that 0.1 wt% CaCl was used in application example 8 of the present invention2Appearance of emulsions prepared with brine;
FIG. 10 shows that 0.1 wt% CaCl was used in application example 8 of the present invention2Appearance of the brine prepared emulsion after standing for 24 hours;
FIG. 11 is an IR spectrum of examples 1, 2 and 6 according to the invention;
FIG. 12 shows nuclear magnetic hydrogen spectra of examples 1, 2 and 6 of the present invention;
FIG. 13 is an appearance diagram of the emulsion prepared in application example 8 of the present invention under different acid-base conditions;
fig. 14 is an appearance diagram of the emulsion prepared in application example 8 of the present invention after being stood for 2 weeks under different acid-base conditions.
Detailed Description
The invention provides an acid-base-resistant salt-resistant super-amphiphilic molecular emulsifier, which comprises polyetheramine and a sulfonate-containing substance; the sulfonate-containing substance comprises sulfonic acid or sulfonate, and the polyether amine and the sulfonate-containing substance are combined through electrostatic interaction.
In the invention, the weight ratio of the polyether amine to the sulfonate-containing substance is preferably 1 (0.15-2.85), and more preferably 1 (0.17-2.7). In the present invention, the weight of the polyether amine and the sulfonate-containing substance is in the above range, which can further ensure the combination of the polyether amine and the sulfonate-containing substance by electrostatic interaction.
In the present invention, the polyetheramine is preferably at least one of D230, D400, D2000 and bisaminopropylpolydimethylsiloxane. In the invention, the PO (propylene oxide) hydrophobic group contained in the polyether amine can influence the intermolecular interaction mode of the super-amphiphilic molecule in the high-salt or strong-acid strong-base environment, thereby further improving the salt resistance and acid-base resistance of the super-amphiphilic molecule emulsifier.
In the present invention, the sulfonic acid is at least one of benzenesulfonic acid, p-toluenesulfonic acid, 4-hydroxybenzenesulfonic acid, sulfanilic acid, 4-dodecylbenzenesulfonic acid, dodecylsulfonic acid, tetradecylsulfonic acid and hexadecylsulfonic acid. In the invention, two oxygen atoms on the hydrophilic group sulfonate in the sulfonic acid can form a stable structure with cations of salt in the environment in an electrostatic interaction mode, so that the salt tolerance of the super-amphiphilic molecular emulsifier is improved.
The invention also provides a preparation method of the acid-base-resistant salt-resistant super-amphiphilic molecule emulsifier, which comprises the following steps:
and mixing the polyether amine and the sulfonate-containing substance to obtain the acid-base salt-resistant super-amphiphilic molecular emulsifier.
In the invention, the mixing temperature is preferably 20-80 ℃, and more preferably 30-80 ℃; the mixing time is preferably 0.5-3 h, and more preferably 1-2 h. In the present invention, the mixing is preferably performed under stirring conditions; the stirring is preferably magnetic stirring. The mixing temperature and the mixing time are adopted in the invention, so that the polyether amine and the sulfonate-containing substance can be fully mixed, and the polyether amine and the sulfonate-containing substance can be fully combined by electrostatic action.
The invention also provides an emulsion, which comprises the following components in parts by weight based on 100 parts of the total weight of the emulsion: 0.1-30 parts of a super-amphiphilic molecular emulsifier, 10-50 parts of an oil phase and the balance of a water phase; the super amphiphilic molecule emulsifier is the acid-base-resistant salt-tolerant super amphiphilic molecule emulsifier in the technical scheme or prepared by the preparation method in the technical scheme.
In the present invention, the oil phase is preferably at least one of diesel oil, gasoline, toluene, xylene, n-heptane, cyclohexane, limonene, paraffin oil, gassed oil and crude oil.
In the present invention, the aqueous phase is preferably pure water.
The super-amphiphilic molecule emulsifier provided by the invention is constructed by polyether amine and a sulfonate-containing substance through electrostatic interaction, two oxygen atoms on the sulfonate contained in a super-amphiphilic molecule can form a stable structure with cations of salt in the environment in an electrostatic interaction mode, and an oxypropylene group (PO) contained in the super-amphiphilic molecule further strengthens the structure, so that the content of the emulsifier is further improvedSalt tolerance of the super amphiphilic molecular emulsifier; the super-amphiphilic molecule provided by the invention contains an acidic group sulfonate and a basic group amine simultaneously, so that the super-amphiphilic molecule provided by the invention can give protons and receive protons, the acid and alkali resistance of the super-amphiphilic molecule is improved, and the acid, alkali and salt resistance of an emulsifier are improved under the combined action of the sulfonic acid group, the amine group and the PO group. Experimental results show that the emulsion prepared by using the super-amphiphilic molecular emulsifier provided by the invention contains 1-5 wt% of NaCl and 0.1 wt% of CaCl2Or 0.1 to 0.5 wt% of MgCl2Standing for 24 hours at room temperature in a saline environment without layering, and proving that the super-amphiphilic molecular emulsifier has certain salt tolerance; under the environment that the pH value is 1.4-12.0, no layering is carried out for 24 hours, and only a small amount of water is separated out after 2 weeks, so that the super-amphiphilic molecular emulsifier is proved to have good acid and alkali resistance.
The acid and alkali resistant salt tolerant super amphiphilic molecular emulsifier, the preparation method and the emulsion provided by the invention are described in detail in the following with reference to the examples, but they should not be construed as limiting the scope of the invention.
Example 1
Mixing the polyether amine D400 and the dodecylbenzene sulfonic acid according to the weight ratio of 1:6, and magnetically stirring for 60 minutes at 30 ℃ to obtain the super-amphiphilic molecular emulsifier.
Application example 1
Taking 1 part of the super-amphiphilic molecular emulsifier prepared in the example 1 and 59 parts of pure water 40 parts of n-heptane, wherein the total weight of the emulsion is 100 parts; putting the raw materials into a small bottle, and uniformly stirring by magnetic force to obtain the emulsion, wherein the obtained emulsion is the common emulsion. The particle size of the common emulsion is large, usually micron-sized, thermodynamically in a non-equilibrium state, and kinetically in an unstable system. Referring to FIG. 2, it can be seen from FIG. 2 that the conventional emulsion obtained according to the present invention is milky in appearance.
Example 2
Mixing the polyetheramine D2000 and the 4-hydroxybenzenesulfonic acid according to the weight ratio of 1:0.17, and magnetically stirring for 30 minutes at 50 ℃ to obtain the super-amphiphilic molecular emulsifier.
Application example 2
Taking 2 parts of the super-amphiphilic molecular emulsifier prepared in example 2, 49 parts of pure water and 49 parts of cyclohexane, based on 100 parts of the total weight of the emulsion; putting the raw materials into a small bottle, and uniformly stirring by magnetic force to obtain the emulsion, wherein the obtained emulsion is the common emulsion.
Example 3
Mixing the polyether amine D230 and hexadecyl sulfonic acid according to the weight ratio of 1:2.7, and magnetically stirring for 40 minutes at 60 ℃ to obtain the super-amphiphilic molecular emulsifier.
Application example 3
Taking 2 parts of the super-amphiphilic molecular emulsifier prepared in example 3, 49 parts of pure water and 49 parts of n-heptane, based on 100 parts of the total weight of the emulsion; putting the raw materials into a small bottle, and uniformly stirring by magnetic force to obtain the emulsion, wherein the obtained emulsion is the common emulsion.
Example 4
Mixing the polyether amine D230 and the 4-dodecyl sulfonic acid according to the weight ratio of 1:2.5, and magnetically stirring for 10 minutes at the temperature of 30 ℃ to obtain the super-amphiphilic molecular emulsifier.
Application example 4
Taking 15 parts of the super-amphiphilic molecular emulsifier prepared in the example 4 and 60 parts of 0.1 wt% of CaCl based on 100 parts of the total weight of the emulsion2Brine and 25 parts toluene; putting the raw materials into a small bottle, and uniformly stirring by magnetic force to obtain emulsion, wherein the obtained emulsion is microemulsion. Microemulsion particle size is generally<100 nm, thermodynamically in equilibrium and kinetically in a stable system, can form spontaneously with only slight agitation. Referring to FIG. 3, it can be seen from FIG. 3 that the microemulsion obtained by the present invention is transparent in appearance.
Example 5
Mixing the polyether amine D2000 and the sulfanilic acid according to the weight ratio of 1:0.17, and magnetically stirring for 60 minutes at 70 ℃ to obtain the super-amphiphilic molecular emulsifier.
Application example 5
Taking 5 parts of the super-amphiphilic molecular emulsifier prepared in the example 5, 65 parts of pure water and 30 parts of limonene based on 100 parts of the total weight of the emulsion; putting the raw materials into a small bottle, and uniformly stirring by magnetic force to obtain the emulsion, wherein the obtained emulsion is the nano emulsion. The particle size of the nano emulsion is usually 100-500 nanometers, the nano emulsion is in an unbalanced state in thermodynamics and is a stable system in kinetics. Referring to fig. 4, it can be seen from fig. 4 that the nanoemulsion obtained according to the present invention is translucent milky white in appearance, and somewhat bluish.
Example 6
Mixing the polyether amine D230 and the dodecylbenzene sulfonic acid according to the weight ratio of 1:1.4, and magnetically stirring for 30 minutes at 60 ℃ to obtain the super-amphiphilic molecular emulsifier, wherein the formula is shown in figure 1. As shown in FIG. 1, the super amphiphilic molecular emulsifier obtained by the invention is a yellow transparent liquid.
Application example 6
Taking 0.5 part of the super-amphiphilic molecular emulsifier prepared in example 6, 49.75 parts of 1 wt% NaCl saline and 49.75 parts of toluene based on 100 parts of the total weight of the emulsion; putting the raw materials into a small bottle, and uniformly stirring by magnetic force to obtain the emulsion, wherein the obtained emulsion is the common emulsion.
Example 7
Mixing the polyether amine D400 and tetradecyl alkylbenzene sulfonic acid according to the weight ratio of 1:1.6, and magnetically stirring for 40 minutes at 50 ℃ to obtain the super-amphiphilic molecular emulsifier.
Application example 7
Based on 100 parts of the total weight of the emulsion, 4 parts of the super amphiphilic molecular emulsifier prepared in the example 7 and 66 parts of 0.2 weight percent MgCl are taken2Brine and 30 parts paraffin oil; putting the raw materials into a small bottle, and uniformly stirring by magnetic force to obtain the emulsion, wherein the obtained emulsion is the common emulsion.
Example 8
Mixing the polyether amine D230 and the 4-dodecylbenzene sulfonic acid according to the weight ratio of 1:1.4, and magnetically stirring for 30 minutes at 70 ℃ to obtain the super-amphiphilic molecular emulsifier.
Application example 8
Taking 0.5 part of the super-amphiphilic molecular emulsifier prepared in the example 8, 49.75 parts of pure water and 49.75 parts of toluene based on 100 parts of the total weight of the emulsion; putting the raw materials into a small bottle, and uniformly stirring by magnetic force to obtain the emulsion, wherein the obtained emulsion is the common emulsion.
FIG. 11 shows examples 1,The IR spectra of example 2 and example 6, 3370 and 3290cm from FIG. 11-1To the-NH2The asymmetric and symmetric stretching vibration obviously disappears, 1589cm-1To the-NH2The bending vibration peak of (1) is shifted to 1620 and is in a range of 1040 to 1170cm-1In the presence of-SO3 -Is due to-SO3H transfers protons to-NH2form-NH3 +and-SO3 -And finally, the two are combined together through electrostatic interaction to form the super-amphiphilic molecule.
FIG. 12 is nuclear magnetic hydrogen spectra of examples 1, 2 and 6 of the present invention, and it can be seen from FIG. 12 that proton signals of the aromatic ring appear at about 7.72 and 7.03ppm and that chemical shifts are shifted due to the formation of-NH by proton transfer between the sulfonic acid group and the amino group3 +and-SO3 -，-NH3 +Is an electron-withdrawing group, reduces the electron cloud density around the aromatic ring and causes the proton signal at 7.68ppm of the aromatic ring to move to a low field, and the sulfonic acid group transfers the proton to the amino group to form-SO3 -Carrying a negative charge, where it is converted to an electron donating group, and the proton signal at 7.15 moves to a high field. In addition, proton signals of amines were also found at 2.8-3.6 ppm, which further confirms the successful preparation of the super amphiphiles described in examples 1, 2 and 6 by electrostatic interaction.
Evaluation of salt resistance
Performance evaluation example 1
Replacing the aqueous phase pure water in the application example 8 with salt solutions of 1.0 wt% NaCl aqueous solution, 3.0 wt% NaCl aqueous solution, 5.0 wt% NaCl aqueous solution and standing at room temperature for 24 hours (see FIGS. 5-6); 0.1 wt% MgCl2、0.3wt％MgCl2、0.5wt％MgCl2Standing the aqueous solution at room temperature for 24 hours (see FIGS. 7-8); CaCl concentration of 0.1 wt%2Standing the aqueous solution at room temperature for 24 hours (see FIGS. 9-10); the appearance was observed for delamination, see fig. 5-10. As can be seen from FIGS. 5-10, milk contains salts in the above-mentioned mass concentrations in the ambient aqueous phaseThe liquid has stable quality, which indicates that the emulsifier provided by the application has certain salt resistance.
Salt resistance evaluation was performed on the emulsions prepared in examples 1 to 7 by performing similar operations as in performance evaluation example 8.
Application examples 1 to 7 in the aqueous phase are 1.0 wt% NaCl aqueous solution, 3.0 wt% NaCl aqueous solution, 5.0 wt% NaCl aqueous solution, 0.1 wt% CaCl20.1 wt% MgCl aqueous solution2、0.3wt％MgCl2And 0.5 wt% MgCl2Under the condition of the aqueous solution, after standing for 24 hours at room temperature, no clear layering appears in the appearance. It can be seen that when the salt is contained in the aqueous phase of the environment at the mass concentration, the emulsion is stable in property, which indicates that the emulsifier provided by the application has certain salt resistance.
Evaluation of acid and alkali resistance
Performance evaluation example 2
Adjusting the pH of the emulsion prepared in application example 1 with 1mol/L hydrochloric acid or sodium hydroxide solution to obtain emulsions with pH values of 1.4, 2.5, 4.4, 7.5, 9.2 and 12, respectively; standing for 24 hours at room temperature, and observing whether layering occurs or not;
the acid and alkali resistance of the emulsions prepared in examples 2 to 8 was evaluated in a similar manner to that in performance evaluation example 2.
Application examples 1-8 are respectively under the conditions that the pH values are 1.4, 2.5, 4.4, 7.5, 9.2 and 12, no layering is found after standing for 24 hours at room temperature; only a small amount of water is separated out after the mixture is kept stand for 2 weeks, and the emulsifier provided by the invention is proved to have acid and alkali resistance.
Fig. 13 is an appearance diagram of application example 8 after being left to stand at room temperature for 24 hours at pH 1.4, 2.5, 4.4, 7.5, 9.2 and 12, respectively, and fig. 14 is an appearance diagram of the application example after being left to stand for 2 weeks. It can be seen from FIG. 13 that it was left standing at room temperature for 24 hours without separation; from fig. 14, it can be seen that only a small amount of water was precipitated after it was left standing for 2 weeks, demonstrating that the emulsifier provided by the present invention has acid and alkali resistance.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An acid-base-salt-tolerant super-amphiphilic molecular emulsifier is characterized by comprising polyetheramine and a sulfonate-containing substance; the sulfonate-containing substance comprises sulfonic acid and/or sulfonate, and the polyether amine and the sulfonate-containing substance are combined through electrostatic interaction.
2. The acid and alkali resistant salt tolerant super amphiphilic molecular emulsifier according to claim 1, wherein the weight ratio of the polyether amine to the sulfonate-containing substance is 1 (0.15-2.85).
3. The acid and alkali resistant salt tolerant super amphiphilic molecular emulsifier of claim 1, wherein the polyetheramine is at least one of D230, D400, D2000 and bisaminopropyl polydimethylsiloxane.
4. The acid and alkali resistant salt tolerant amphiphilic molecular emulsifier of claim 1, wherein the sulfonic acid is at least one of benzenesulfonic acid, p-toluenesulfonic acid, 4-hydroxybenzenesulfonic acid, sulfanilic acid, 4-dodecylbenzenesulfonic acid, dodecylsulfonic acid, tetradecanesulfonic acid and hexadecylsulfonic acid.
5. The preparation method of the acid and alkali resistant salt tolerant super amphiphilic molecule emulsifier according to any one of claims 1 to 4, comprising the following steps:
and mixing the polyether amine and the sulfonate-containing substance to obtain the acid-base salt-resistant super-amphiphilic molecular emulsifier.
6. The method according to claim 5, wherein the mixing temperature is 20 to 80 ℃.
7. The method according to claim 5 or 6, wherein the mixing time is 0.5 to 3 hours.
8. The emulsion comprises the following components in parts by weight, based on 100 parts by weight of the total emulsion: 0.1-30 parts of a super-amphiphilic molecular emulsifier, 10-50 parts of an oil phase and the balance of a water phase; the super amphiphilic molecule emulsifier is the acid and alkali resistant salt resistant super amphiphilic molecule emulsifier according to any one of claims 1 to 4 or the acid and alkali resistant salt resistant super amphiphilic molecule emulsifier prepared by the preparation method according to any one of claims 5 to 7.
9. The emulsion of claim 8, wherein the oil phase is at least one of diesel, gasoline, toluene, xylene, n-heptane, cyclohexane, limonene, paraffin oil, gassed oil and crude oil.
10. The emulsion of claim 8, wherein the aqueous phase is pure water.
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| CN113385104A (en) * | 2021-04-27 | 2021-09-14 | 青岛恒信达化工有限公司 | Preparation method of multifunctional surfactant resistant to hard water, acid and alkali and degradable |
| CN114181718A (en) * | 2021-12-09 | 2022-03-15 | 中石化石油工程技术服务有限公司 | Bola type surfactant, nano emulsion and application |
| CN115074099A (en) * | 2022-07-27 | 2022-09-20 | 山东大学 | Emulsion type acidification blocking remover and preparation method thereof |
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