Multi-functional ion association type emulsion and preparation method thereof

A multi-functional and associative technology, applied in the field of multi-functional ionic associative emulsion and its preparation, can solve the problems of inability to fully satisfy the performance, inconvenient use, and increased cost

Inactive Publication Date: 2015-04-29
郭保祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First: Most of the existing flocculants, anti-fluid loss agents, oil displacement agents, and pressure stimulation and sand-carrying agents rely on the molecular weight of organic substances or some unique chemical groups to play corresponding roles, so that the above-mentioned chemical agents can be used in performance

Method used

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  • Multi-functional ion association type emulsion and preparation method thereof
  • Multi-functional ion association type emulsion and preparation method thereof
  • Multi-functional ion association type emulsion and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The weight ratio of each monomer DAC:AM:NaAA:C 16 DMAAC:NaAMPS=10:20:5:0.2:0.3.

[0026] Preparation of multifunctional ion association emulsion:

[0027] 1. Add 25 g of distilled water to a 100 beaker, add 10 g of DAC monomer, add 20 g of AM monomer, add 3 g of NaAA monomer, and add C 16 Add 0.2g of DMAAC monomer, add 0.3g of NaAMPS monomer, adjust the pH to 7.2 with sodium hydroxide, pass in nitrogen gas, dissolve under stirring, and adjust the temperature to 25±1°C. as the aqueous phase.

[0028] 2. Take 4g of composite nonionic emulsifier by weighing Span65 and Twee65 to make the amount 10:1, add 28g of organic solvent kerosene and stir for 40 minutes at a speed of 500 rpm to form a stable emulsion as the oil phase.

[0029] 3. Slowly add the water phase to the oil phase at a speed of 500 rpm, maintain a constant temperature environment of 45 degrees, add 0.07% ammonium persulfate and sodium sulfite under the protection of nitrogen, and stir for 4-6 hours to form...

Embodiment 2

[0031] The weight ratio of each monomer DAC:AM:NaAA:C 16 DMAAC:NaAMPS=8:21:7:0.1:0.3.

[0032] Preparation of multifunctional ion association emulsion:

[0033] 1. Add 26 g of distilled water to a 100 beaker, add 8 g of DAC monomer, add 21 g of AM monomer, add 7 g of NaAA monomer, and add C 16 Add 0.1 g of DMAAC monomer, add 0.3 g of NaAMPS monomer, adjust the pH to 7.9 with sodium hydroxide, pass in nitrogen gas, dissolve under stirring, and adjust the temperature to 25±1°C. as the aqueous phase.

[0034] 2. Take 4g composite nonionic emulsifier by weighing Span65, OP-10, wee65 to make its volume ratio 6:0.5:1, add 29g of organic solvent kerosene and stir for 40 minutes at a speed of 500 rpm to form a stable emulsion, as oily phase.

[0035] 3. Slowly add the water phase to the oil phase at a speed of 500 rpm, maintain a constant temperature environment of 45 degrees, add 0.1% ammonium persulfate and sodium sulfite under nitrogen protection, and stir for 4-6 hours to form...

Embodiment 3

[0037] The weight ratio of each monomer DAC:AM:NaAA:C 16 DMAAC:NaAMPS=12:20:5:0.01:0.2.

[0038] Preparation of multifunctional ion association emulsion:

[0039] 1. Add 26 g of distilled water to a 100 beaker, add 12 g of DAC monomer, add 20 g of AM monomer, add 5 g of NaAA monomer, and add C 16 Add 0.01 g of DMAAC monomer, add 0.2 g of NaAMPS monomer, adjust the pH to 7.0 with sodium hydroxide, pass in nitrogen gas, dissolve under stirring, and adjust the temperature to 25±1°C. as the aqueous phase.

[0040] 2. Weigh 4g of composite nonionic emulsifier by Span80 and Twee80 to make the ratio 4:1, add 28g of organic solvent kerosene and stir for 30 minutes at a speed of 500 rpm to form a stable emulsion as the oil phase.

[0041]3. Slowly add the water phase to the oil phase at a speed of 500 rpm, maintain a constant temperature environment of 47 degrees, add 0.10% ammonium persulfate and sodium sulfite, and 0.05% azobisisobutyronitrile under nitrogen protection, and stir t...

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Abstract

The invention discloses a multi-functional ion association type emulsion and a preparation method thereof. The ion type emulsion is prepared through reaction between anions with two acidic groups and substances with two alkaline cationic groups. The design of a unique molecular structure is combined with the excellent performance of the emulsion, so that the multi-functional ion type association emulsion has the characteristics of ionic charge performance, the mechanical performance of electrostatic force and composite association force, and the instant solubility of the ion type emulsion, and the multi-functional ion type association emulsion visually presents dielectric resistance, temperature resistance, shearing resistance and favorable flocculation and adsorption effects. The multi-functional ion association type emulsion can be used as a flocculant, a filtrate loss resistant agent and a fracturing and production increasing sand-carrying agent.

Description

technical field [0001] The invention relates to an emulsion that is widely used in the fields of petroleum and water treatment, and is a multifunctional liquid. According to the unique design structure of the emulsion molecules, it has the characteristics of positive and negative cations, electrostatic attraction characteristics, and the association of liquid molecules. Using, and its characteristics of strengthening the association by electrostatic force, through a certain molecular chain group connected in series into a four-in-one performance liquid, the emulsion highlights the super strong structural performance, showing salt resistance and temperature resistance in appearance, Structural physical force increases viscosity, flocculation and adsorption are good, and the rheological properties of liquid structural flow can be used as water treatment flocculant, drilling fluid anti-fluid loss agent, oil displacement agent, fracturing stimulation and sand-carrying agent, etc. ...

Claims

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Application Information

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IPC IPC(8): C08F220/56C08F226/02C08F220/06C08F220/58C08F220/34
Inventor 不公告发明人
Owner 郭保祥
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