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A kind of water-resistant inorganic coating and preparation method thereof

A technology of inorganic coatings and raw materials, applied in the direction of alkali metal silicate coatings and coatings, etc., can solve the problems of easy bubbles in exterior wall coatings, rain wash on exterior walls, mottled exterior walls, etc., and achieve long-term bright and new walls. The effect of good adhesion and strong weather resistance

Active Publication Date: 2018-06-01
广东施彩新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current inorganic coatings are basically silicate film-forming substances, which have poor water resistance and cannot be washed away by rainwater for years and months when applied to the exterior wall. If the rain lasts for a long time, the exterior wall coating is prone to air bubbles , easy to fall off after drying, causing mottled exterior walls, and easy to fall off exterior wall paint is equivalent to falling objects that may fall off at any time, seriously endangering human health.

Method used

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  • A kind of water-resistant inorganic coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] A water-resistant inorganic coating mainly consists of the following raw materials in parts by weight:

[0063] Hydrophobically modified hydroxyethyl cellulose 0.3 parts

[0064] 2 parts multifunctional additive

[0065] Dispersant 2.5 parts

[0066] Wetting agent 2 parts

[0067] Titanium dioxide 25 parts

[0068] 80 parts of heavy calcium carbonate

[0069] Silicone acrylic emulsion 20 parts

[0070] Coalescing aid 2.5 parts

[0071] 0.2 parts of defoamer

[0072] Potassium silicate 75 parts

[0073] Thickener 0.5 parts

[0074] 6 parts of coupling agent

[0075] 80 parts of water.

[0076] The dispersant is a mixture of ammonium salt dispersant and silicate dispersant, and the mixing weight ratio is 1:1.5.

[0077] The thickener is a polyurethane thickener.

[0078] The multifunctional additive is selected from Angus AMP-95.

[0079] The coupling agent is a silane coupling agent.

[0080] The viscosity of the hydrophobically modified hydroxyethyl cellul...

Embodiment 2

[0089] A water-resistant inorganic coating mainly consists of the following raw materials in parts by weight:

[0090] Hydrophobically modified hydroxyethyl cellulose 1.8 parts

[0091] 0.5 parts of multifunctional additive

[0092] Dispersant 5.5 parts

[0093] Wetting agent 0.5 parts

[0094] Titanium dioxide 36 parts

[0095] 75 parts of heavy calcium carbonate

[0096] Silicone acrylic emulsion 40 parts

[0097] Coalescing aid 1.5 parts

[0098] 0.8 parts of defoamer

[0099] Potassium silicate 55 parts

[0100] thickener 2 parts

[0101] 4 parts of coupling agent

[0102] 80 parts of water.

[0103] The dispersant is a mixture of ammonium salt dispersant and silicate dispersant, and the mixing weight ratio is 3:2.5.

[0104] The thickener is a polyurethane thickener.

[0105] The multifunctional additive is purchased from Deqian MA-95.

[0106] The coupling agent is a silane coupling agent.

[0107] The viscosity of the hydrophobically modified hydroxyethyl ...

Embodiment 3

[0116] A water-resistant inorganic coating mainly consists of the following raw materials in parts by weight:

[0117] Hydrophobically modified hydroxyethyl cellulose 1 part

[0118] 1 multifunctional additive

[0119] Dispersant 3.5 parts

[0120] Wetting agent 1.5 parts

[0121] Titanium dioxide 30 parts

[0122] 78 parts of heavy calcium carbonate

[0123] Silicone acrylic emulsion 30 parts

[0124] Coalescing aid 2 parts

[0125] 0.5 parts of defoamer

[0126] Potassium silicate 65 parts

[0127] Thickener 1.5 parts

[0128] 5 parts of coupling agent

[0129] 85 parts of water.

[0130] The dispersant is a mixture of ammonium salt dispersant and silicate dispersant with a mixing weight ratio of 2:1.5.

[0131] The thickener is a polyurethane thickener.

[0132] The multifunctional additive is selected from Angus AMP-95.

[0133] The coupling agent is a silane coupling agent.

[0134] The viscosity of the hydrophobically modified hydroxyethyl cellulose is 3000...

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Abstract

The invention relates to the technical field of inorganic coating preparation, and in particular to a water-tolerant inorganic coating and a preparation method thereof. The preparation method comprises the following steps: reasonably compounding hydrophobic modified cellulose, multifunctional additives, a defoaming agent, a dispersing agent, a wetting agent, titanium dioxide, coarse whiting, silicone acrylic emulsion, a coalescing agent, potassium silicate, a thickening agent, a coupling agent and water, and adding and mixing the components in different steps, thereby obtaining the water-tolerant inorganic coating. The water-tolerant inorganic coating has the characteristics of being good in water tolerance, good in weather resistance and good in adhesion property.

Description

technical field [0001] The invention relates to the technical field of inorganic paint preparation, in particular to a water-resistant inorganic paint and a preparation method thereof. Background technique [0002] Inorganic paint is a kind of paint with inorganic materials as the main film-forming substance. It is the abbreviation of all-inorganic mineral paint. It is widely used in daily life fields such as architecture and painting. Coatings commonly used in construction engineering are aqueous alkali metal silicate solutions and aqueous dispersions of colloidal silica. The above two film formers can be used to make silicate and silica sol (colloidal silica) inorganic coatings. The inorganic coatings are composed of inorganic polymers and dispersed and activated metals, metal oxide nanomaterials, and rare earth ultrafine powders. The inorganic polymer coating composed of solid body can quickly react with the iron atoms on the surface of the steel structure to form an ino...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/04C09D1/02C09D7/61C09D7/65C09D133/08C09D133/04C04B28/26
CPCC04B28/26C04B2111/27C04B24/383C04B2103/408C04B14/305C04B14/28C04B24/40C04B24/28
Inventor 叶邦君钟小秋
Owner 广东施彩新材料科技有限公司
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