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A kind of fatty acid derivative, its preparation method and application

A technology of fatty acid derivatives and derivatives, applied in the preparation of carboxylic acid amides, the preparation of organic compounds, chemical instruments and methods, etc. problems, to achieve the effect of improving stability and good lubricating performance

Active Publication Date: 2021-07-16
SUZHOU FENGBEI BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The lubricating additives used in drilling fluids in the industry generally use white oil, vegetable oil, vegetable oil esters, etc., but there are disadvantages that white oil has no lubricity, and vegetable oil and vegetable oil esters are easy to decompose
In addition, under the conditions of seawater system and high temperature, the lubricity of vegetable oil and vegetable oil ester will be greatly reduced, so that the drilling fluid cannot meet the requirements of use.
[0003] At present, in seawater and high-salt systems, most domestic lubricating additives cannot meet the use requirements, and imported products still occupy the main market. The market prospect of suitable lubricating additives is broad

Method used

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  • A kind of fatty acid derivative, its preparation method and application
  • A kind of fatty acid derivative, its preparation method and application
  • A kind of fatty acid derivative, its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0099] 1. Put methyl oleate, formic acid, and sulfuric acid into the reaction kettle at a mass ratio of 100:8:0.5, stir evenly, heat up to 70°C, and add hydrogen peroxide with a mass content of 40% of 10 times the mass of formic acid at a uniform speed, within 1~2h After the dropwise addition was completed, the reaction was continued for 3h, and distillation was performed to obtain epoxy methyl oleate with an epoxy value of 2%.

[0100] 2. Put methyl epoxy oleate, hydroxyethyl ethylenediamine, and zinc oxide into a pressure reactor at a mass ratio of 100:75:0.6, raise the temperature to 120°C, and react at a constant temperature for 1 hour. After the pressure returns to zero, pour into the distillation In the bottle, carry out distillation at a negative pressure of 0.4-0.5MPa and at a temperature of 210-230°C, and the obtained fractions are hydroxyethylethylenediamine derivatives.

[0101] 3. Put the hydroxyethylethylenediamine derivative and oleic acid into the reactor at a ...

Embodiment 2

[0104] 1. Put methyl oleate, formic acid, and sulfuric acid into the reaction kettle at a mass ratio of 100:10:0.8, stir evenly, heat up to 65°C, and add hydrogen peroxide with a mass content of 40% that is 15 times the mass of formic acid at a uniform speed, within 1~2h After the dropwise addition was completed, the reaction was continued for 3 h, and distillation was performed to obtain epoxy methyl oleate with an epoxy value of 2.3%.

[0105] 2. Put methyl epoxy oleate, hydroxyethyl ethylenediamine, and zinc oxide into the pressure reactor at a mass ratio of 100:70:0.5, raise the temperature to 120°C, and react at constant temperature for 1.5 hours. After the pressure returns to zero, pour In the distillation bottle, carry out distillation at a negative pressure of 0.4-0.5 MPa and at a temperature of 210-230° C., and the obtained fractions are hydroxyethylethylenediamine derivatives.

[0106] 3. Put the hydroxyethylethylenediamine derivative and oleic acid into the reactor...

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Abstract

The present invention relates to a kind of fatty acid derivative, the structural general formula of fatty acid derivative is shown in formula (1): wherein, R 1 for (CH 2 ) 7 , (CH 2 ) 10 , (CH 2 ) 11 Either of the R 2 for CH 3 、CH 3 CH 2 , CH (CH 3 ) 2 、CH 3 (CH 2 ) 3 Either of the R 3 for CH 3 (CH 2 ) 7 、CH 3 (CH 2 ) 4 、CH 3 (CH 2 ) 5 Either of the R 4 It is a saturated hydrocarbon group or an unsaturated hydrocarbon group. The fatty acid derivatives in the present invention have multiple functional groups such as carboxylate anion, imino group, hydroxyl group and ester group, which can effectively resist the structural decomposition caused by ions in the high-salt system, thereby improving the stability of the structure; and It can form a positively charged ion-bonded state in a high-salt system, firmly adsorb on the metal surface, and can form a lubricating film to maintain better lubricating performance.

Description

technical field [0001] The invention relates to a fatty acid derivative, its preparation method and application. Background technique [0002] Lubricating additives for drilling fluids in the industry generally use white oil, vegetable oil, vegetable oil esters, etc., but there are disadvantages that white oil has no lubricity, and vegetable oil and vegetable oil esters are easy to decompose. In addition, under seawater system and high temperature conditions, the lubricity of vegetable oils and vegetable oil esters will be greatly reduced, making the drilling fluid unable to meet the requirements for use. [0003] At present, in seawater and high-salt systems, most domestic lubricating additives cannot meet the use requirements, and imported products still occupy the main market. The market prospect of suitable lubricating additives is broad. Contents of the invention [0004] A technical problem to be solved by the present invention is to provide a fatty acid derivative ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07C233/38C07C231/02C09K8/035C09K8/22C09K8/12
CPCC09K8/035C09K8/22C09K8/12C07C229/22C07C57/12C07C53/126C07C57/03Y02P20/55
Inventor 李寅任鹏平原马敏
Owner SUZHOU FENGBEI BIOTECH CO LTD