Emulsified asphalt

A technology of emulsified asphalt and oxidized asphalt, applied in asphalt coatings, coatings, anti-corrosion coatings, etc., can solve the problems of flammability, high price, environmental pollution, etc. Effect

Inactive Publication Date: 2017-05-24
FOSHAN RUIJIAN SPORTS EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of environmental pollution, flammability, and high price caused by the current use of anti-corrosion coatings on steel surfaces, the present invention proposes a cheap and easy-to-obtain emulsified asphalt for protective coatings with less environmental pollution. It consists of asphalt , lauryl dimethyl benzyl ammonium chloride, fatty acid methyl ester polyoxyethylene ether and carboxymethyl cellulose sodium, isobutyl acrylate and water are compounded in a certain proportion and the compound emulsified asphalt, its weight Composed of:

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Take by weighing 55 parts of No. 90 straight run bitumen (penetration is 115) (by weight, the same below), 10 parts of dodecyl dimethyl benzyl ammonium chloride, 5 parts of fatty acid methyl ester polyoxyethylene ether, Carboxymethylcellulose sodium 5 parts, isobutyl acrylate 8 parts, water 20 parts. The above-mentioned asphalt is heated to 140°C, and then the above-mentioned other raw materials are prepared into a 50°C aqueous solution, and then the asphalt and the aqueous solution are passed through the emulsification equipment to obtain the emulsified asphalt product for protective coating of the present invention.

Embodiment 2

[0028] Take by weighing 45 parts of No. 100 straight run pitch (penetration is 105) (by weight, the same below), 10 parts of dodecyl dimethyl benzyl ammonium chloride, 7 parts of fatty acid methyl ester polyoxyethylene ether, 5 parts of sodium carboxymethyl cellulose, 8 parts of isobutyl acrylate, and 35 parts of water. Heat the above-mentioned asphalt to 150°C, then prepare the above-mentioned other raw materials into an aqueous solution at 60°C, and then pass the asphalt and the aqueous solution through the emulsification equipment. The emulsified asphalt product for protective coating of the present invention can be obtained.

Embodiment 3

[0030] Take by weighing 30 parts of No. 100 straight run bitumen (penetration is 105) (by weight, the same below), 15 parts of dodecyl dimethyl benzyl ammonium chloride, 10 parts of fatty acid methyl ester polyoxyethylene ether, 8 parts of sodium carboxymethyl cellulose, 5 parts of isobutyl acrylate, and 32 parts of water. The above-mentioned asphalt is heated to 140°C, and then the above-mentioned other raw materials are prepared into a 50°C aqueous solution, and then the asphalt and the aqueous solution are passed through an emulsification device to obtain the emulsified asphalt product for protective coating of the present invention.

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Abstract

The invention discloses an emulsified asphalt. The emulsified asphalt comprises the following raw materials by weight: 40-60 parts of asphalt, 5-15 parts of dodecyl dimethyl benzyl ammonium chloride, 5-10 parts of fatty methyl ester ethoxylates, 2-8 parts of sodium carboxy methyl cellulose, 5-10 parts of isobutyl acrylate, and 20-43 parts of water. The emulsified asphalt is used for a protective coating of a metal and forms a compact film, and the shielding property of an emulsified asphalt coating on a metal matrix is improved, so that the corrosion resistance property of the emulsified asphalt coating is further improved. A manufacturing method of the emulsified asphalt is simple and convenient, the used raw materials are easy to get, and the environmental pollution is small.

Description

technical field [0001] The invention relates to an emulsified asphalt, in particular to a protective coating emulsified asphalt. Background technique [0002] The so-called emulsified asphalt is an oil-in-water asphalt emulsion formed by dispersing the asphalt in a state of fine particles in an aqueous solution containing an emulsifier after heat-melting and high-speed mechanical shearing. The asphalt of this dispersion system is the dispersed phase, and the water is the continuous phase, which has good fluidity at room temperature. Petroleum asphalt has good adhesion, anti-aging and waterproof and anti-corrosion capabilities, and has been widely used as road construction and sealing materials for a long time. At present, the loss caused by metal corrosion is very serious, especially the anti-corrosion of steel has attracted increasing attention at home and abroad, and coating anti-corrosion coatings is one of the main methods to prevent steel corrosion. For a long time, m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D195/00C09D7/12C09D5/08
CPCC09D195/005C08L2205/035C09D5/08C09D7/63C09D7/65
Inventor 邹明瑞
Owner FOSHAN RUIJIAN SPORTS EQUIP CO LTD
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