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Inorganic waterproof ageing-resistant coating and preparation method thereof

An anti-aging coating, inorganic technology, applied in the coating and other directions, can solve the problems of large film shrinkage, limited application and promotion, poor water resistance, etc., and achieve the effect of increasing the toughness of the coating film, good toughness, and not easy to absorb ash

Active Publication Date: 2016-02-10
深圳力效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

However, common inorganic coatings have certain defects, such as the poor water resistance of silicate-based inorganic coatings, and the problems of large film shrinkage and poor mechanical properties of silica sol-based inorganic coatings, which limit their application and promotion.

Method used

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  • Inorganic waterproof ageing-resistant coating and preparation method thereof

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Effect test

Embodiment 1

[0033] An inorganic waterproof and aging-resistant coating, which is composed of the following raw materials in parts by weight: silica sol: 60; sepiolite: 10; silane-modified mica: 5; inorganic mineral pigments: 8; silane-modified heavy calcium powder: 6 ; Silane-modified zinc oxide: 4; Silane-modified wollastonite: 4; Water-based defoamer: 0.5; Magnesium aluminum silicate: 0.6.

[0034] The preparation method of the above-mentioned inorganic waterproof and aging-resistant coating can be implemented according to the following steps.

[0035] (1) Add sepiolite, inorganic mineral pigments and fillers (silane-modified mica, silane-modified heavy calcium powder, silane-modified zinc oxide and silane-modified wollastonite) into the silica sol for soaking, soaking time for 3 hours, and then disperse for 10 minutes under the condition of 1500r / min.

[0036] (2) Disperse at a high speed of 3000r / min until the fineness is less than 50μm, and control the system temperature below 50°C....

Embodiment 2

[0044] An inorganic waterproof and aging-resistant coating, which is composed of the following raw materials in parts by weight: silica sol: 55; sepiolite: 10; silane-modified mica: 8; inorganic mineral pigments: 6; silane-modified heavy calcium powder: 4 ; Silane-modified wollastonite 6; Water-based defoamer: 0.2; Magnesium aluminum silicate: 1.

[0045] The preparation method of the above-mentioned inorganic waterproof and aging-resistant coating can be implemented according to the following steps.

[0046] (1) Add sepiolite, inorganic mineral pigments and fillers (silane-modified mica, silane-modified heavy calcium powder and silane-modified wollastonite) into the silica sol and soak for 3 hours, then soak at 1500r Disperse for 10min under the condition of / min.

[0047] (2) Disperse at a high speed of 3000r / min until the fineness is less than 50μm, and control the system temperature below 50°C.

[0048] (3) Reduce the stirring speed to 800r / min, add water-based defoamer an...

Embodiment 3

[0051] An inorganic waterproof and aging-resistant coating, which is composed of the following raw materials in parts by weight: silica sol: 50; sepiolite: 10; silane-modified mica: 4; inorganic mineral pigment: 6; aluminum hydroxide: 5; Foaming agent: 0.3; magnesium aluminum silicate: 0.8.

[0052] The preparation method of the above-mentioned inorganic waterproof and aging-resistant coating can be implemented according to the following steps.

[0053] (1) Add sepiolite, inorganic mineral pigments and fillers (silane-modified mica and aluminum hydroxide) into the silica sol and soak them for 3 hours, then disperse at 1500r / min for 10 minutes.

[0054] (2) Disperse at a high speed of 3000r / min until the fineness is less than 50μm, and control the system temperature below 50°C.

[0055] (3) Reduce the stirring speed to 800r / min, add water-based defoamer and magnesium aluminum silicate according to the metered amount, and obtain the target product after uniform dispersion.

[...

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Abstract

The invention discloses an inorganic waterproof ageing-resistant coating and a preparation method thereof. The inorganic waterproof aging-resistant coating is prepared from, by weight, 50-60 parts of silicon sol, 8-12 parts of sepiolite, 3-8 parts of mica, 5-8 parts of pigment, 10-18 parts of a filling agent, 0.5-1 part of a thickening agent and 0.2-0.5 part of a defoaming agent. The preparation method comprises the steps that a packing is added into the silicon sol to be soaked for 3 hours, then scattering is performed under the 1500 r / min condition for 10 minutes, the rotating speed is improved to be 3000 r / min, high-speed dispersion is performed for 20 minutes till the fineness is smaller than 50 micrometers, the rotating speed is reduced to be 800 r / min, the defoaming agent, the thickening agent, a pH regulator and a sterilization fungicide are evenly dispersed and then a finished product is obtained. The inorganic waterproof ageing-resistant coating has waterproof and aging-resistance performance, is non-toxic, is environment-friendly, has low device requirements and is suitable for industrial large-scale production, and the preparation method is simple in operation.

Description

technical field [0001] The invention belongs to the technical field of architectural coatings, and in particular relates to an inorganic waterproof and aging-resistant coating and a preparation method thereof. Background technique [0002] Over the past 30 years of reform and opening up, my country's economy has continued to grow rapidly, and various constructions have achieved world-renowned achievements, but at the same time, it has also paid a huge price for the destruction of resources and the environment. The contradiction between economic society and resources and environment has become increasingly acute. At the same time, the fact that greenhouse gases cause global warming is drawing widespread attention from the international community. It is also an urgent need to further strengthen energy conservation and emission reduction work in response to global climate change. In order to achieve the sustainable development of the global economy, governments of various coun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/12
Inventor 王盛鑫张连红梁红玉蒋林时康晓雪
Owner 深圳力效新材料科技有限公司
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