Glucoside, preparation method and applications thereof

A technology of alkyl glucoside and cation, applied in the field of cationic alkyl glucoside and its preparation, can solve the problems of cationic alkyl glucoside inhibition performance, poor lubricating performance, poor fluid loss reduction performance, limited wide application, etc., and achieves improved shear force. , The production process is simple, the effect of good inhibition performance

Active Publication Date: 2017-02-22
中石化石油工程技术服务有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the prior art discloses a variety of cationic alkyl glycosides, these cationic alkyl glycosides have poor inhibitory performance, lubricating performance and fluid loss control performance, which limits their wide application in drilling fluids

Method used

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  • Glucoside, preparation method and applications thereof
  • Glucoside, preparation method and applications thereof
  • Glucoside, preparation method and applications thereof

Examples

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preparation example Construction

[0037] The present invention provides a kind of preparation method of cationic alkyl glucoside described in above-mentioned technical scheme, comprising:

[0038] Alkyl glucoside, chlorinated epoxide, acidic catalyst and water are reacted to obtain intermediate product, and described alkyl glucoside has the structure shown in formula II:

[0039]

[0040] In formula II, R 1 is an alkyl group with 1 to 5 carbon atoms, and m is 1 to 3;

[0041] The chlorinated epoxides include epichlorohydrin or 1,2-epoxychlorobutane;

[0042] The intermediate product, basic compound and tertiary amine hydrochloride are reacted to obtain cationic alkyl glucoside, and the tertiary amine hydrochloride includes trimethylamine hydrochloride, triethylamine hydrochloride, tripropylamine hydrochloride or tributylamine hydrochloride.

[0043] In the present invention, alkyl glucoside, chlorinated epoxide, acid catalyst and water are reacted to obtain intermediate product. In an embodiment of the ...

Embodiment 1

[0070] Add 1000g of methyl glucoside, 500g of epichlorohydrin, 150g of hydrofluoric acid and 1500g of water into a large-capacity reactor equipped with a stirring, condensing and heating device, stir and mix evenly, react at 95°C for 2 hours, drop To room temperature, the intermediate product is obtained;

[0071] Add 160g of sodium hydroxide and 500g of trimethylamine hydrochloride to the above intermediate product, stir and mix evenly, react at 40°C for 0.5h, then add 10g of citric acid, dry the obtained reaction product to remove water, and obtain the cation Methyl glucoside, the yield is 96.23%.

[0072] The cationic methyl glucoside prepared in Example 1 of the present invention is carried out infrared detection, and the detection result is as follows: figure 1 as shown, figure 1 For the infrared detection spectrum of the cationic methyl glucoside prepared in Example 1 of the present invention, by figure 1 It can be seen that the cationic methyl glucoside prepared in E...

Embodiment 2

[0077] Add 1100g of ethyl glucoside, 550g of 1,2-epoxychlorobutane, 170g of sulfuric acid and 1600g of water into a large-capacity reactor with stirring, condensation and heating devices, stir and mix evenly, and react at 100°C 3h, down to room temperature, the intermediate product is obtained;

[0078] Add 170g of sodium hydroxide and 550g of triethylamine hydrochloride to the above intermediate product, stir and mix evenly, react at 50°C for 1h, then add 11g of linalool, dry the obtained reaction product to obtain Cationic ethyl glucoside, the yield is 96.16%.

[0079] Infrared detection was carried out on the cationic ethyl glucoside prepared in Example 2 of the present invention, and the detection result was that the cationic ethyl glucoside prepared in Example 2 of the present invention had a structure shown in formula 2:

[0080]

[0081] In formula 2, m is 1~3, n is 2, R 1 for-C 2 h 5 , R 2 for-C 2 h 5 .

[0082] According to the method described in the above...

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Abstract

The present invention provides a cation alkyl glucoside, which has a structure represented by a formula I, wherein m is 1-3, n is 1-2, R1 is C1-C5 alkyl, and R2 is methyl, ethyl, propyl or butyl. The present invention provides a preparation method of the cation alkyl glucoside, wherein the preparation method comprises: carrying out a reaction on alkyl glucoside, a chlorinated epoxide, an acid catalyst and water to obtain an intermediate product, and carrying out a reaction on the intermediate product, an alkali compound and a tertiary amine hydrochloride to obtain the cation alkyl glucoside. According to the present invention, the cation alkyl glucoside has good inhibition performance, good lubricating property and good filtrate loss reduction performance; and with the application of the cation alkyl glucoside in the drilling fluid, the inhibition performance, the lubricating property and the filtrate loss reduction performance of the drilling fluid can be improved, and the cation alkyl glucoside is suitable for the drilling construction of the easily collapsible stratums such as the strong water sensitivity mudstone, the sand mud rock, and the like. The formula I is defined in the specification.

Description

technical field [0001] The invention relates to the technical field of alkyl glucosides, in particular to a cationic alkyl glucoside and its preparation method and application. Background technique [0002] Cationic alkyl glycosides are a class of compounds produced by non-ionic alkyl glycosides. The raw materials are abundant, cheap, and have excellent performance and good biodegradability. They can be used in drilling fluids. In recent years, they have gradually attracted the attention of scholars at home and abroad. focus on. [0003] The prior art discloses a variety of cationic alkyl glycosides, such as patent US 5773595, which discloses the use of dodecyl glucoside and cationic etherification agent 3-chloro-2-hydroxypropyltrimethylammonium chloride in the catalytic reaction of sodium hydroxide The reaction is carried out under the following method, and the technical scheme of cationic alkyl glycoside is prepared by one-step method; the patent US 5138043 discloses the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07H15/04C07H1/00C09K8/035
Inventor 司西强王中华魏军雷祖猛吕跃滨谢俊赵虎王忠瑾
Owner 中石化石油工程技术服务有限公司
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