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Quick-setting polymer latex waterproof coating

A technology of polymer emulsion and waterproof coating, applied in the direction of coating, can solve the problem of long setting time and achieve the effect of fast setting time, easy preparation and good aging resistance

Active Publication Date: 2014-09-03
苏州市姑苏新型建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] On the other hand, water-based acrylate waterproof coatings have been widely used in construction, and there are mainly two forms: polymer emulsion architectural waterproof coatings and polymer cement waterproof coatings; these two coatings depend on the slow volatilization of water. The accumulation and accumulation of each component forms a film, and the solidification time is long. At present, the construction method of roller coating and scraping coating is still used
At present, there is no quick-setting water-based acrylic architectural waterproof coating suitable for spraying construction in China.

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0041] A quick-setting polymer emulsion waterproof coating, comprising main agent A component and curing agent B component, the composition of the main agent A component and curing agent B component is shown in the following table 1, and at the same time, the main agent A Components and curing agent B components are sprayed to form films according to the mass ratio of 1:0.5 and 1:1; the quick-setting time is the time when the coating is sprayed to the mortar test block at a horizontal 45° angle, from A and B contacting to non-flowing time , and other indicators are tested according to GB / T23445-2009, and are listed in Table 1 below.

[0042] The formula and test result of table 1 embodiment one

[0043]

[0044] The preparation method of above-mentioned building waterproof paint, comprises the steps:

[0045] (1) Preparation of component B of curing agent: mix sodium silicate solution (42Be, 2.5 molds) and water component according to the ratio in Table 1, and stir evenly;...

Embodiment 2

[0048]A quick-setting polymer emulsion waterproof coating, including main agent A component and curing agent B component, the composition of the main agent A component and curing agent B component is shown in the following table 2, and at the same time, the main agent A Components and curing agent B components are sprayed to form films according to the mass ratio of 1:0.5 and 1:1; the quick-setting time is the time when the coating is sprayed to the mortar test block at a horizontal 45° angle, from A and B contacting to non-flowing time , and other indicators are tested according to GB / T23445-2009, and are listed in Table 2 below.

[0049] The formula and test result of table 2 embodiment two

[0050]

Embodiment 3

[0052] A quick-setting polymer emulsion waterproof coating, comprising main agent A component and curing agent B component, the composition of the main agent A component and curing agent B component is shown in the following table 3, and at the same time, the main agent A Components and curing agent B components are sprayed to form films according to the mass ratio of 1:0.5 and 1:1; the quick-setting time is the time when the coating is sprayed to the mortar test block at a horizontal 45° angle, from A and B contacting to non-flowing time , and other indicators are tested according to GB / T23445-2009, and are listed in Table 3 below.

[0053] The formula and test result of table 3 embodiment three

[0054]

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Abstract

The invention discloses a quick-setting polymer latex waterproof coating. The waterproof coating comprises a main agent component A and a curing agent component B in a weight ratio of 1:(0.5-1), wherein the main agent component A comprises the following components: polymer latex, an inorganic filler, a stabilizing agent, a plasticizing agent, a dispersing agent, an organic silicon defoaming agent and a preservative; the polymer latex is acrylate latex; the curing agent component B comprises silicate solution and water; the silicate solution is sodium silicate solution or potassium silicate solution; and the degree Baume of the silicate solution is 40-50Be and the modulus is 2.0-3.5. The invention develops the waterproof building coating suitable for spraying construction. Tests prove that the waterproof building coating can be solidified in 3-6 seconds after trace components of the coating are sprayed and contacted, and is free from flowing and dripping.

Description

technical field [0001] The invention relates to a building waterproof paint, in particular to a quick-setting polymer emulsion waterproof paint, which belongs to the technical field of building materials. Background technique [0002] Architectural waterproof coating is a viscous liquid polymer synthetic material with no fixed shape at room temperature. After coating, it can form a tough waterproof coating film on the surface of the base layer after the volatilization of solvent or water evaporation or reaction curing. the general term for. Common types of waterproof coatings include polyurethane waterproof coatings, one-component polyurethane waterproof coatings, polymer cement waterproof coatings, polymer emulsion waterproof coatings, asphalt waterproof coatings and modified bitumen waterproof coatings. [0003] After more than half a century of development, the performance of architectural waterproof coatings has been comprehensively improved, and the environment has gra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/04C09D7/12
Inventor 王惠明赵长才杨彰堂陈晓龙
Owner 苏州市姑苏新型建材有限公司
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