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A kind of colored polymer cement waterproof coating and preparation method thereof

A technology for waterproof coatings and polymers, applied in the field of building materials, can solve the problems of reducing the water resistance and poor dispersibility of waterproof coatings, and achieve the effects of excellent waterproof effect, good dispersibility, and increased surface active points.

Active Publication Date: 2022-05-13
临海市忠信新型建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the dispersion of the pigment in the coating is poor, and it will also reduce the water resistance of the waterproof coating.

Method used

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  • A kind of colored polymer cement waterproof coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Prepare 100ml of silane coupling agent aqueous solution with a mass concentration of 1%, then add 50ml of 95% absolute ethanol solution, fully react for 20min in a water bath at 30°C, then add 10g of pigment powder, keep stirring, and gradually heat up to 50°C, Afterwards, heat preservation treatment for 2 hours, and finally suction filtration and drying at 105°C, and the dried solids were ground to obtain modified pigment powders;

[0032] Mix 5g of the modified pigment powder prepared above with 100g of water, stir until the solid dissolves, then add 100g of quartz sand for high-speed stirring, then let it stand for 24 hours, add 20g of EVA emulsion, continue stirring, and finally dry it at 70°C. Obtain pretreated quartz colored sand;

[0033] Place the pretreated quartz colored sand prepared above in a muffle furnace and first heat-preserve at 200°C for 2 hours, then gradually raise the temperature to 500°C for 2 hours at a heating rate of 5°C / min, and take it out af...

Embodiment 2

[0036] Prepare 100ml of silane coupling agent aqueous solution with a mass concentration of 1%, then add 50ml of 95% absolute ethanol solution, fully react for 10min in a water bath at 40°C, then add 10g of pigment powder, keep stirring, and gradually heat up to 70°C, Afterwards, heat preservation treatment for 2 hours, and finally suction filtration and drying at 105°C, and the dried solids were ground to obtain modified pigment powders;

[0037] Mix 10g of the modified pigment powder prepared above with 100g of water, stir until the solid dissolves, then add 100g of quartz sand for high-speed stirring, then let it stand for 24 hours, add 20g of EVA emulsion, continue stirring, and finally dry it at 70°C. Obtain pretreated quartz colored sand;

[0038] Place the pretreated quartz colored sand prepared above in a muffle furnace and first heat-preserve at 200°C for 2 hours, then gradually raise the temperature to 500°C for 2 hours at a heating rate of 5°C / min, and take it out a...

Embodiment 3

[0041] Prepare 100ml of silane coupling agent aqueous solution with a mass concentration of 1%, then add 50ml of 95% absolute ethanol solution, fully react for 10min in a water bath at 30°C, then add 10g of pigment powder, continue stirring, and gradually heat up to 60°C, Afterwards, heat preservation treatment for 2 hours, and finally suction filtration and drying at 105°C, and the dried solids were ground to obtain modified pigment powders;

[0042] Mix 7g of the modified pigment powder prepared above with 100g of water, stir until the solid is dissolved, then add 100g of quartz sand for high-speed stirring, then let it stand for 24 hours, add 20g of EVA emulsion, continue stirring, and finally dry it at 70°C. Obtain pretreated quartz colored sand;

[0043] Place the pretreated quartz colored sand prepared above in a muffle furnace and first heat-preserve at 200°C for 2 hours, then gradually raise the temperature to 500°C for 2 hours at a heating rate of 5°C / min, and take it...

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Abstract

The invention discloses a colored polymer cement waterproof coating, which comprises powder and liquid material; the mass ratio of the liquid material and the powder is 10-15:25; the powder comprises in parts by weight; white cement 25 55 parts, 10-20 parts of heavy calcium, and 35-60 parts of modified colored quartz sand; the modified colored quartz sand is prepared by roasting the quartz sand after pretreatment with modified pigment powder and EVA emulsion, The mass ratio of the quartz sand, modified pigment powder, and EVA emulsion is 1:0.05-0.1:0.2-0.4; the liquid material includes in parts by weight: 80-100 parts of emulsion, 1-3 parts of defoamer; 10-15 parts of water; the emulsion is mixed with EVA emulsion and styrene-acrylic emulsion, and the mass ratio of the two is 1:1-2.5. The invention discloses the preparation method of the colored polymer cement waterproof coating. The colored polymer cement waterproof paint prepared by the invention has uniform color, no color attachment or blooming phenomenon, high tensile strength, small porosity, few interconnected holes, and excellent waterproof effect.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a colored polymer cement waterproof coating and a preparation method thereof. Background technique [0002] Polymer cement waterproof coating, also known as JS waterproof coating, is a two-component water-based waterproof coating that is formulated with polymer emulsion and cement as the main raw materials, adding fillers and other additives, and is cured by water volatilization and cement hydration reaction to form a film. coating. Polymer cement waterproof coating has the flexibility of emulsion and the high strength of cement. It is one of the most widely used water-based waterproof coatings in the waterproof market. It is widely used in the waterproofing of toilets, kitchens, balconies, basements and other areas. [0003] Traditional waterproof coatings usually add pigments, which are often mixed into waterproof coatings in the form of powder or color paste to inc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B111/27C04B111/50C04B111/82
CPCC04B28/04C04B2111/82C04B2111/27C04B2111/00508C04B2111/00293C04B2201/10C04B2201/50C04B2111/503C04B24/42C04B24/026C04B24/26C04B14/06C04B14/28C04B2103/54C04B2103/50
Inventor 范树景安艳菲何广朋
Owner 临海市忠信新型建材有限公司
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