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Preparation method of epoxy acrylate antirust emulsion

An epoxy acrylate and anti-rust emulsion technology, applied in the field of materials, can solve the problems of emulsifier instability, poor water solubility, phosphate emulsifier and anionic non-ionic emulsifier, etc., achieve uniform anti-rust emulsion and improve corrosion resistance , Improve the effect of adhesion

Active Publication Date: 2014-11-19
上海科罗纳精细化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is in order to overcome the above-mentioned shortcoming in the prior art, provide a kind of emulsifier instability that can overcome existing epoxy acrylate antirust emulsion preparation technology, water solubility is poor and this phosphoric acid ester emulsifier and negative non-negative Compounding problem of ionic emulsifier, preparation method of epoxy acrylate antirust emulsion with excellent performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The first step, the preparation of emulsifier is as follows:

[0039] (1) The preparation of emulsifier I: after the allyl glycidyl ether of isomeric tridecyl alcohol polyoxyethylene ether of 15 mass parts and 3 mass parts is stirred, the boron trifluoride that adds 0.01 mass part is used as catalyst, After reacting at 90°C for 3 hours, then add 0.1 parts by mass of potassium hydroxide and 8 parts by mass of ethylene oxide to react for 2 hours at 120°C, and after salting out, add the product dropwise at 40°C while stirring In the four-necked flask of the phosphorus oxychloride of 5 mass parts, reaction time is 3 hours, and after reaction finishes, neutralize to pH be 7 with aqueous ammonia, add water to dilute, remove solvent in vacuum, make emulsifier I;

[0040] (2) Preparation of emulsifier II: First, add 0.8 parts by mass of succinic anhydride and 2 parts by mass of isomeric tridecyl alcohol polyoxyethylene ether into a 250mL four-necked flask, stir evenly, then hea...

Embodiment 2

[0046] The first step, the preparation of emulsifier is as follows:

[0047] (1) The preparation of emulsifier I: after the allyl glycidyl ether of isomeric tridecyl alcohol polyoxyethylene ether of 17.5 mass parts and 4 mass parts are stirred, the boron trifluoride that adds 0.015 mass parts is used as catalyst, After reacting at 90°C for 3 hours, then add 0.15 parts by mass of potassium hydroxide and 9 parts by mass of ethylene oxide to react for 2 hours at 120°C, and after salting out, add the product dropwise at 40°C while stirring In the four-necked flask of 6.5 parts by mass of phosphorus oxychloride, the reaction time was 3 hours. After the reaction, it was neutralized to pH 7 with aqueous ammonia, diluted with water, and the solvent was removed in vacuum to obtain emulsifier I;

[0048] (2) Preparation of emulsifier II: First, add 1.0 parts by mass of succinic anhydride and 3 parts by mass of isomeric tridecyl alcohol polyoxyethylene ether into a 250mL four-necked flas...

Embodiment 3

[0054] The first step, the preparation of emulsifier is as follows:

[0055] (1) The preparation of emulsifier I: after the allyl glycidyl ether of isomeric tridecyl alcohol polyoxyethylene ether of 20 mass parts and 5 mass parts is stirred, the boron trifluoride that adds 0.02 mass parts is used as catalyst, After reacting at 90°C for 3 hours, then add 0.2 parts by mass of potassium hydroxide and 10 parts by mass of ethylene oxide to react for 2 hours at 120°C, and after salting out, add the product dropwise at 40°C while stirring In a four-necked flask containing 8 parts by mass of phosphorus oxychloride, the reaction time was 3 hours. After the reaction, it was neutralized to pH 7 with aqueous ammonia, diluted with water, and the solvent was removed in vacuum to obtain emulsifier I;

[0056] (2) Preparation of emulsifier II: First, add 1.2 parts by mass of succinic anhydride and 5 parts by mass of isomeric tridecyl alcohol polyoxyethylene ether into a 250mL four-necked flas...

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Abstract

The invention relates to a preparation method of an epoxy acrylate antirust emulsion. The method includes following steps: (1) preparing an emulsifying agent I, an emulsifying agent II and emulsifying agent III; (2) preparing an epoxy ester pre-emulsion from the emulsifying agent I, nonylphenol polyoxyethylene ether, sodium lauryl diphenyl ether disulfonate, isooctyl acrylate and epoxy resin; (3) prepaing an acrylic acid pre-emulsion from the emulsifying agent II, the nonylphenol polyoxyethylene ether, the sodium lauryl diphenyl ether disulfonate, the isooctyl acrylate and methacrylic acid; and (4) carrying out a reaction to the emulsifying agent III, the acrylic acid pre-emulsion and the epoxy ester pre-emulsion to prepare the epoxy acrylate antirust emulsion. Through the method, problems that an emulsifying agent is instable and poor in water solubility in a preparation method of the epoxy acrylate antirust emulsion in the prior art and is compounded with an anionic emulsifier and a nonionic emulsifier are solved. A production which is excellent in performances is prepared.

Description

technical field [0001] The invention relates to the field of materials, in particular to anticorrosion coatings, in particular to a method for preparing an epoxy acrylate antirust emulsion. Background technique [0002] Due to the vigorous development of ocean transportation, electric power, infrastructure, petrochemical and other industries in recent years, a large number of supporting anti-corrosion coatings are needed, which ushers in a big development opportunity for anti-corrosion coatings. Chinese coating companies attach great importance to this opportunity and gradually develop transform these areas. Among them, the development of water-based anti-corrosion coatings is relatively rapid. Practice has shown that water-based anti-corrosion coatings can effectively protect metal materials in harsh environments. Therefore, the development of water-based anti-corrosion coatings that meet environmental protection requirements, energy saving, and safety has become the main d...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D5/08C09D7/12C08G59/17C08F220/18C08F220/58
Inventor 季永新杨亚萍
Owner 上海科罗纳精细化工有限公司
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