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Fatty acid methyl ester ethoxylation catalyst

A technology of fatty acid methyl ester and ethoxylation, applied in physical/chemical process catalyst, organic compound/hydride/coordination complex catalyst, carboxylate preparation, etc., can solve the problem of many by-products, wide EO distribution, Problems such as narrow EO distribution

Active Publication Date: 2020-10-16
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] One of the technical problems to be solved by the present invention is the wide distribution of EO and many by-products in the fatty acid methyl ester ethoxylation product existing in the prior art, and a new method for fatty acid methyl ester ethoxylation reaction is provided When the catalyst is used in the ethoxylation reaction of fatty acid methyl ester, it has the characteristics of narrow distribution of EO and few by-products of fatty acid methyl ester ethoxylation

Method used

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  • Fatty acid methyl ester ethoxylation catalyst

Examples

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Effect test

Embodiment 1

[0040] Weigh 10g of anhydrous calcium dodecylbenzenesulfonate and 8g of anhydrous La 2 (SO 4 ) 3 And 2g of acetic acid was added to 80g of isopropanol, sealed heat treatment at 85°C and 800rpm stirring speed for 4 hours, and left to stand for 10 hours; the sample obtained by cooling to room temperature was used as a catalyst.

[0041]Add 0.5 g of the above catalyst to 100 g of methyl laurate, and put it into a 1 L autoclave while stirring; the autoclave is heated to 80 ° C, vacuum-dried for 10 min, and then replaced with high-purity nitrogen for 3 times, and the temperature is raised to 150 ° C. Introduce EO, keep the temperature between 150-180°C, and the pressure at 0.4MPa, react for 30 minutes until the amount of EO added is 144g, age for 30 minutes, cool to room temperature, release the material, weigh 244g, and obtain a compound with an average EO addition number of 7. Methyl Laurate Ethoxylate. The contents of various substances in the product were analyzed by GC-MS. ...

Embodiment 2

[0043] Weigh 10g of anhydrous calcium dodecylbenzenesulfonate and 8g of anhydrous Nd 2 (SO 4 ) 3 And 2g of acetic acid was added to 80g of isopropanol, sealed heat treatment at 85°C and 800rpm stirring speed for 4 hours, and left to stand for 10 hours; the sample obtained by cooling to room temperature was used as a catalyst.

[0044] Add 0.5 g of the above catalyst to 100 g of methyl laurate, and put it into a 1 L autoclave while stirring; the autoclave is heated to 80 ° C, vacuum-dried for 10 min, and then replaced with high-purity nitrogen for 3 times, and the temperature is raised to 150 ° C. Introduce EO, keep the temperature between 150-180°C, and the pressure at 0.4MPa, react for 30 minutes until the amount of EO added is 144g, age for 30 minutes, cool to room temperature, release the material, weigh 244g, and obtain a compound with an average EO addition number of 7. Methyl Laurate Ethoxylate. The contents of various substances in the product were analyzed by GC-MS....

Embodiment 3

[0046] Weigh 10g of anhydrous barium dodecylbenzenesulfonate and 8g of anhydrous La 2 (SO 4 ) 3 And 2g of acetic acid was added to 80g of isopropanol, sealed heat treatment at 85°C and 800rpm stirring speed for 4 hours, and left to stand for 10 hours; the sample obtained by cooling to room temperature was used as a catalyst.

[0047] Add 0.5 g of the above catalyst to 100 g of methyl laurate, and put it into a 1 L autoclave while stirring; the autoclave is heated to 80 ° C, vacuum-dried for 10 min, and then replaced with high-purity nitrogen for 3 times, and the temperature is raised to 150 ° C. Introduce EO, keep the temperature between 150-180°C, and the pressure at 0.4MPa, react for 30 minutes until the amount of EO added is 144g, age for 30 minutes, cool to room temperature, release the material, weigh 244g, and obtain a compound with an average EO addition number of 7. Methyl Laurate Ethoxylate. The contents of various substances in the product were analyzed by GC-MS. ...

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Abstract

The invention relates to a catalyst for ethoxylation of fatty acid methyl ester and mainly aims to overcome the technical problems of wide distribution of EO and a great number of by-products in catalyst reaction products in the prior art. The catalyst for ethoxylation of fatty acid methyl ester comprises the following components: (a) alkaline earth metal sulfonate; (b) lanthanide-series metal salt which is at least one selected from a group consisting of a La salt and a Nd salt; (c) carboxylic acid; and (d) C1-5 alcohol. With such a technical scheme, the above problems are overcome, and the method is applicable to ethoxylation of fatty acid methyl ester.

Description

technical field [0001] The present invention relates to fatty acid methyl ester ethoxylation catalyst, its preparation method and application in fatty acid methyl ester ethoxylation. Background technique [0002] Ethoxylated fatty acid methyl esters (FMEE for short) is a new type of double-capped ester ether nonionic surfactant. Because fatty acid methyl ester ethoxylate has -OCH similar to oil 3 , according to the principle of similar compatibility, compared with traditional fatty acid polyether, fatty alcohol polyether, etc., it has stronger decontamination ability, good water solubility, low melting point, strong emulsifying and dispersing ability, less foam, etc.; in addition The product is easy to degrade and is a real environmentally friendly surfactant. Fatty acid methyl ester compounds are widely used in leather, textile and cosmetic industries. FMEE is close to the TX, NP and OP series containing APEO in various performances. Under the background of strict enviro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J31/26C07C67/26C07C69/28
CPCB01J27/053B01J31/0202B01J31/0225B01J31/04B01J31/26B01J35/0006B01J35/12C07C67/26C07C69/28
Inventor 肖忠斌朱小丽孙广斌
Owner CHINA PETROLEUM & CHEM CORP
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