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Waterproof crack-resisting coating and preparation method thereof

A coating and water-reducing agent technology, applied in the field of coating materials, can solve the problems of destroying the decorative effect of the outer wall, the coating film is flowered, and the powder is dropped, and achieves the effects of good storage stability, improved service life, and good elongation.

Inactive Publication Date: 2018-05-04
ENG EQUIP CO LTD SUZHOU SAI SIDE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, it will cause paint problems such as blooming, peeling, and powdering of the coating film, and damage the decorative effect of the outer wall.

Method used

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  • Waterproof crack-resisting coating and preparation method thereof
  • Waterproof crack-resisting coating and preparation method thereof
  • Waterproof crack-resisting coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～ Embodiment 5

[0028] Table 1 Example 1 to Example 5 Parts by weight of each component raw material

[0029]

[0030]

[0031] Preparation of waterproof and anti-cracking paint:

[0032] Add 30kg of water to the reaction kettle, add carboxymethyl cellulose, polycarboxylic acid water reducer, silicone defoamer, polyurethane leveling thickener, 800~1200r / min high speed dispersion for 25~30min under stirring. Obtain the slurry; then add silicone modified acrylate elastic emulsion, ZnO-CeO 2 Blend of particles, nano-titanium dioxide particles, Portland cement, quartz sand, sodium triacetate, 1000~1200r / min for 15~20min; then use leveling thickener to adjust the viscosity, 300~500r / min for uniform mixing 40-60min; finally adjust the PH value with acid-base regulator, and stir evenly for 40-60min at 200-250r / min to obtain the finished waterproof and anti-cracking paint.

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Abstract

The invention discloses a waterproof crack-resisting coating and a preparation method thereof, and relates to the field of coating materials. The waterproof crack-resisting coating is prepared from the following components in parts by weight: 40 to 80 parts of elastic emulsion, 15 to 20 parts of ZnO-CeO2 particles, 10 to 30 parts of Portland cement, 20 to 40 parts of quartz sand, 10 to 30 parts ofcomplexing agent, 10 to 30 parts of cellulose, 10 to 30 parts of water reducing agent, 3 to 5 parts of defoaming agent, 3 to 5 parts of dispersing agent, 3 to 5 parts of leveling agent and 3 to 5 parts of thickening agent. The waterproof crack-resisting coating provided by the invention has the advantages of excellent waterproof and crack resistance, scrubbing resistance, pulverization resistance, stain resistance, weather fastness, good aging resistance, storage stability, low cost, greenness and environment friendliness.

Description

Technical field [0001] The invention relates to the field of coating materials, in particular to a waterproof and anti-crack coating and a preparation method thereof. Background technique [0002] With the continuous development and refinement of the domestic coating industry, the market has more and more outstanding requirements for special functional coatings. Among them, the requirements for anti-staining, waterproofing, acid and alkali corrosion resistance, and flame retardancy are even higher. The waterproof material has poor gloss and color retention, easy to crack, easy to leak, and easy to turn yellow. Therefore, in order to meet the requirements of various industries for waterproof and anti-cracking coatings, it is necessary to produce high-performance, widely used waterproof and anti-cracking coatings. [0003] Traditional waterproof materials are mainly made of asphalt coils and polypropylene coils, which achieve the purpose of waterproofing by covering the leaking surfa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/16C09D7/43C09D7/47C09D7/63C09D7/65
CPCC08K2003/2213C08K2003/2241C08K2003/2296C08L2201/08C08L2205/025C08L2205/035C09D5/1687C09D143/04C08L1/286C08L75/04C08K13/02C08K3/22C08K3/36C08K3/34C08K5/42
Inventor 顾建强
Owner ENG EQUIP CO LTD SUZHOU SAI SIDE
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