CN111841450B - Preparation method of paraffin nanosheet - Google Patents
Preparation method of paraffin nanosheet Download PDFInfo
- Publication number
- CN111841450B CN111841450B CN202010712232.5A CN202010712232A CN111841450B CN 111841450 B CN111841450 B CN 111841450B CN 202010712232 A CN202010712232 A CN 202010712232A CN 111841450 B CN111841450 B CN 111841450B
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- Prior art keywords
- paraffin
- liquid
- nanosheet
- preparation
- ultrasonic
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- 239000012188 paraffin wax Substances 0.000 title claims abstract description 42
- 239000002135 nanosheet Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000002904 solvent Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000001132 ultrasonic dispersion Methods 0.000 claims abstract description 8
- 229940057995 liquid paraffin Drugs 0.000 claims abstract description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 6
- XQSBLCWFZRTIEO-UHFFFAOYSA-N hexadecan-1-amine;hydrobromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[NH3+] XQSBLCWFZRTIEO-UHFFFAOYSA-N 0.000 claims description 4
- ZWGTVKDEOPDFGW-UHFFFAOYSA-N hexadecylazanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[NH3+] ZWGTVKDEOPDFGW-UHFFFAOYSA-N 0.000 claims description 3
- 239000002055 nanoplate Substances 0.000 claims description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000002064 nanoplatelet Substances 0.000 claims 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 7
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 239000011521 glass Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
- B01J6/005—Fusing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/80—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0004—Preparation of sols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0004—Preparation of sols
- B01J13/0026—Preparation of sols containing a liquid organic phase
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
Abstract
The invention discloses a preparation method of a paraffin nanosheet, which comprises the steps of melting paraffin in a liquid solvent to form a liquid state, then carrying out ultrasonic dispersion on the liquid paraffin in the liquid solvent, and cooling to obtain a colloidal solution of the paraffin nanosheet. The invention has the advantages of simple preparation process, short treatment flow and less chemical reagents.
Description
Technical Field
The invention relates to the technical field of paraffin nanosheet preparation, in particular to a preparation method of a paraffin nanosheet.
Background
The nano-grade paraffin has important application in the aspects of wood corrosion prevention, waterproof materials, phase change energy storage, drilling fluid treatment and the like. At present, the preparation method of nano-scale paraffin depends mainly on wet chemical methods, such as: chinese patent CN109912813A discloses a method for preparing cationic paraffin emulsion, which comprises the steps of firstly feeding water, paraffin, fatty amine polyoxyethylene ether and glacial acetic acid into a reaction kettle, heating to 80-105 ℃, then carrying out heat preservation reaction for 1-5 hours, then controlling the temperature in the reaction kettle to 70-95 ℃, and finally cooling to room temperature to obtain the paraffin emulsion; however, this method is complicated in preparation process, long in treatment process, and various in the kinds of chemical reagents used.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the preparation method of the paraffin nanosheet, which is simple in preparation process, short in treatment flow and less in chemical reagent.
The purpose of the invention is realized by the following technical scheme:
a preparation method of paraffin nanosheets comprises the steps of melting paraffin in a liquid solvent to form a liquid state, then carrying out ultrasonic dispersion on the liquid paraffin in the liquid solvent, and cooling to obtain a colloidal solution of the paraffin nanosheets.
Preferably, the liquid solvent is at least one of water, ethanol, methanol, toluene and benzene.
Preferably, the ultrasonic frequency of the ultrasonic dispersion is 20kHz to 30kHz, and the ultrasonic intensity is not lower than 0.1mW/cm2The ultrasonic time is not less than 30 s.
Preferably, a stabilizer is added into the liquid solvent. The stabilizer is at least one of cetyl ammonium bromide, cetyl ammonium chloride and lauryl sodium sulfate.
According to the technical scheme provided by the invention, the preparation method of the paraffin nanosheet provided by the invention has the advantages that the paraffin is firstly melted in the liquid to form the liquid state, then the liquid paraffin is crushed and dispersed by utilizing ultrasonic waves, the nano-sol of the liquid paraffin is rapidly realized, and the paraffin nanosheet can be formed after cooling; the preparation method has the advantages of simple preparation process, short treatment flow and less chemical reagents.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic diagram of the Tyndall effect of the paraffin nanoplate prepared in example 1 of the present invention.
FIG. 2 is a scanning electron microscope photograph of a paraffin nanosheet prepared in example 1 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The preparation method of the paraffin nanosheet provided by the invention is described in detail below. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art.
A preparation method of paraffin nanosheets comprises the steps of putting paraffin and a stabilizer into a liquid solvent, then melting the paraffin into a liquid state in the liquid solvent through heating, then carrying out ultrasonic dispersion on the liquid paraffin in the liquid solvent, and cooling to obtain a colloidal solution of the paraffin nanosheets.
Specifically, the preparation method of the paraffin nanosheet may include the following embodiments:
(1) the liquid solvent can be water, ethanol, methanol, toluene, benzene and other conventional liquid solvents.
(2) The ultrasonic frequency of the ultrasonic dispersion is 20kHz to 30kHz, ultrasonic intensity not less than 0.1mW/cm2The ultrasonic time is not less than 30 s.
(3) The stabilizer can adopt common surfactants such as cetyl ammonium bromide, cetyl ammonium chloride, lauryl sodium sulfate and the like.
Furthermore, the invention rapidly realizes the nanometer sol of the liquid paraffin by the ultrasonic dispersion technology, and the paraffin nanosheet can be formed after cooling, so the preparation process is simple, the treatment process is short, and the chemical reagent is less.
In conclusion, the embodiment of the invention has the advantages of simple preparation process, short treatment flow and less chemical reagents.
In order to more clearly show the technical scheme and the technical effects provided by the present invention, the following detailed description is provided for the preparation method of the paraffin nanosheet provided by the embodiment of the present invention with specific embodiments.
Example 1
A method for preparing paraffin nanosheets, may comprise the steps of:
step 1, 0.05g of a solid paraffin block, 0.1g of cetylammonium bromide and 50mL of water are placed together in a 100mL glass container (e.g., the glass container may be a glass bottle or beaker).
And 2, heating the glass container to 60 ℃ to melt the paraffin into liquid.
Step 3, quickly putting the glass container into an ultrasonic pool (the frequency of ultrasonic waves is 25kHz, and the intensity is 0.1W/cm)2) And (3) carrying out ultrasonic emulsification for 1min, then taking out the glass container, and cooling to room temperature to obtain the colloidal solution of the paraffin nanosheet.
Specifically, as shown in fig. 1, the colloidal solution of the paraffin nanosheet prepared in example 1 of the present invention has an obvious tyndall effect, which indicates that the paraffin is nanocrystallized. Observing the paraffin nanosheet prepared in the embodiment 1 of the invention by using a scanning electron microscope, so as to obtain a scanning electron microscope photo as shown in fig. 2; as can be seen from fig. 2: the paraffin nanosheet prepared in the embodiment 1 of the invention has a size of 1-5 microns and a thickness of about 50-100 nm.
In conclusion, the embodiment of the invention has the advantages of simple preparation process, short treatment flow and less chemical reagents.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. A preparation method of paraffin nanosheets is characterized in that paraffin is melted into a liquid state in a liquid solvent, then the liquid paraffin in the liquid solvent is subjected to ultrasonic dispersion, and a colloidal solution of the paraffin nanosheets is obtained after cooling;
wherein, the liquid solvent adopts at least one of ethanol, methanol, toluene and benzene; the ultrasonic frequency of the ultrasonic dispersion is 20kHz to 30kHz, and the ultrasonic intensity is not lower than 0.1mW/cm2The ultrasonic time is not less than 30 s.
2. A method for producing paraffin nanoplatelets as in claim 1 wherein a stabilizer is added to said liquid solvent.
3. A method for preparing paraffin nanoplate as in claim 2, wherein the stabilizer is at least one of cetyl ammonium bromide, cetyl ammonium chloride and sodium dodecyl sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010712232.5A CN111841450B (en) | 2020-07-22 | 2020-07-22 | Preparation method of paraffin nanosheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010712232.5A CN111841450B (en) | 2020-07-22 | 2020-07-22 | Preparation method of paraffin nanosheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111841450A CN111841450A (en) | 2020-10-30 |
| CN111841450B true CN111841450B (en) | 2022-07-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010712232.5A Active CN111841450B (en) | 2020-07-22 | 2020-07-22 | Preparation method of paraffin nanosheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111841450B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659125A (en) * | 2012-05-10 | 2012-09-12 | 华东师范大学 | Method for preparing montmorillonite nanosheet sol by mechanical chemical method |
| CN108314994A (en) * | 2017-01-18 | 2018-07-24 | 香港理工大学 | A kind of preparation method of paraffinic base phase transformation nanoemulsions |
| US20190185728A1 (en) * | 2017-12-20 | 2019-06-20 | Baker Hughes, A Ge Company, Llc | Downhole fluids having balanced rheological properties, methods of manufacture, and applications thereof |
| CN110801813A (en) * | 2019-09-29 | 2020-02-18 | 浙江工业大学 | Preparation method of hexadecyl trimethyl ammonium bromide modified montmorillonite |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103087535B (en) * | 2013-01-31 | 2015-06-17 | 陕西师范大学 | Solid nanometer emulsified paraffin and preparation method thereof |
-
2020
- 2020-07-22 CN CN202010712232.5A patent/CN111841450B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659125A (en) * | 2012-05-10 | 2012-09-12 | 华东师范大学 | Method for preparing montmorillonite nanosheet sol by mechanical chemical method |
| CN108314994A (en) * | 2017-01-18 | 2018-07-24 | 香港理工大学 | A kind of preparation method of paraffinic base phase transformation nanoemulsions |
| US20190185728A1 (en) * | 2017-12-20 | 2019-06-20 | Baker Hughes, A Ge Company, Llc | Downhole fluids having balanced rheological properties, methods of manufacture, and applications thereof |
| CN110801813A (en) * | 2019-09-29 | 2020-02-18 | 浙江工业大学 | Preparation method of hexadecyl trimethyl ammonium bromide modified montmorillonite |
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| Publication number | Publication date |
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| CN111841450A (en) | 2020-10-30 |
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