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Paint compound and preparation method thereof

A composition and coating technology, applied in asphalt coatings, chloroprene homopolymer coatings, coatings, etc., can solve the problems of high cost, large amount of latex, low solid content, etc. The effect of low transportation cost and high elongation at break

Active Publication Date: 2015-12-09
BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, at present, the preparation process of water-emulsion rubber asphalt waterproof coating generally adopts the process of first emulsification and then modification. Firstly, the base asphalt is emulsified to obtain emulsified asphalt, and then latex modifier and other materials are mixed with emulsified asphalt to obtain water emulsion. Type rubber asphalt waterproof coating has the disadvantages of low solid content, large latex content, and high cost.

Method used

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  • Paint compound and preparation method thereof
  • Paint compound and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] This embodiment provides a kind of coating composition and preparation method thereof, and coating composition comprises the component as shown in Table 1;

[0044] Wherein, the softening point of the SBS modified asphalt is 56° C., the ductility is 45 cm, the penetration is 41; the rotational viscosity is 500 mPa·s.

[0045] Component and mass fraction of the coating composition prepared by the embodiment 1-4 of table 1

[0046]

[0047] The preparation method of coating composition is as follows:

[0048] To prepare soap:

[0049] Add the emulsifier, stabilizer, and neoprene latex into water to obtain a mixture according to the above-mentioned parts by mass, heat the mixture to 50°C, and adjust the pH to 1.5 with a pH regulator to obtain a soap liquid;

[0050] emulsification:

[0051] The SBS modified asphalt is heated to 165° C., and the SBS modified asphalt and defoamer are slowly added to the soap solution according to the above mass fractions for emulsifica...

Embodiment 2

[0057] This embodiment provides a kind of coating composition and preparation method thereof, and coating composition comprises the component as shown in Table 1;

[0058] Wherein, the softening point of the SBS modified asphalt is 70° C., the ductility is 21 cm, the penetration is 65; the rotational viscosity is 400 mPa·s.

[0059] The preparation method of coating composition is as follows:

[0060] To prepare soap:

[0061] Add the emulsifier, stabilizer, and neoprene latex into water to obtain a mixture according to the above mass parts, heat the mixture to 65°C, and adjust the pH to 3.5 with a pH regulator to obtain a soap liquid;

[0062] emulsification:

[0063] The SBS modified asphalt is heated to 150° C., and the SBS modified asphalt and the defoamer are slowly added to the soap solution according to the above mass fractions for emulsification.

[0064] The emulsification adopts a colloid mill, the rotation speed of the colloid mill is 1000r / min, and the emulsific...

Embodiment 3

[0069] This embodiment provides a kind of coating composition and preparation method thereof, and coating composition comprises the component as shown in Table 1;

[0070] Wherein, the softening point of the SBS modified asphalt is 60° C., the ductility is 30 cm, the penetration is 50, and the rotational viscosity is 200 mPa·s.

[0071] The preparation method of coating composition is as follows:

[0072] To prepare soap:

[0073]Add the emulsifier, stabilizer, and neoprene latex into water to obtain a mixture according to the above-mentioned mass parts, heat the mixture to 60°C, and adjust the pH to 2.0 with a pH regulator to obtain a soap liquid;

[0074] emulsification:

[0075] The SBS modified asphalt is heated to 175° C., and the SBS modified asphalt and defoamer are slowly added to the soap solution according to the above mass fractions for emulsification.

[0076] The emulsification adopts a colloid mill, the rotation speed of the colloid mill is 4000r / min, and the ...

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Abstract

The invention provides a paint compound and a preparation method thereof. The paint compound is used for solving the problems that in the prior art, aqueous emulsion type rubber asphalt waterproof paint is low in solid content, large in latex mixing amount and high in cost. According to the compound and the preparation method, due to the fact that emulsion is conducted on modified SBS modified asphalt and polychloroprene latex, the obtained paint compound has the advantages that the content of neoprene latex is lowered, and meanwhile the product cost is reduced; the solid content of the paint compound reaches 60%, the material use amount of unit area is decreased, the construction efficiency is high, and the transportation cost is low; the paint compound is water-based paint and is safe and environmentally friendly, and small in injury to health of constructors; the elongation at break of the paint compound is large and is larger than 1000%; the waterproof pressure of the paint compound is high and can reach 0.6 MPa, and no water seepage happens within 30 min.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a coating composition and a preparation method thereof. Background technique [0002] Rubber asphalt waterproof coatings can be divided into water-emulsion rubber asphalt waterproof coatings and solvent-based rubber asphalt waterproof coatings according to their composition. The dispersion medium of solvent-based rubber asphalt waterproof coating is an organic solvent, which has a strong smell, poor safety, easy to cause environmental pollution, and seriously endanger the health of production personnel, testing personnel and construction personnel. With the enhancement of people's awareness of environmental protection, water-emulsion rubber asphalt waterproof coatings with excellent environmental performance and cost advantages will be the future development direction. [0003] However, at present, the preparation process of water-emulsion rubber asphalt waterproof coating gene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D195/00C09D153/02C09D111/02C09D7/12
Inventor 任玉飞刘金景王芳张玉贞
Owner BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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