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Water-resistant paint for building external wall ceramic tile renovation, and preparation method and application thereof

A technology for waterproof coatings and building exterior walls, applied in the direction of epoxy resin coatings, coatings, etc., can solve the problems of scrub resistance, opacity stability, viscosity and hardness indicators are not ideal, and achieve strong viscosity and hardness, time-saving effect

Inactive Publication Date: 2015-11-18
WUXI JIABANG ELECTRIC POWER PIPE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the coating prepared by this method has excellent acid resistance, its scrub resistance, opacity, stability, viscosity and hardness indicators are not ideal

Method used

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  • Water-resistant paint for building external wall ceramic tile renovation, and preparation method and application thereof
  • Water-resistant paint for building external wall ceramic tile renovation, and preparation method and application thereof
  • Water-resistant paint for building external wall ceramic tile renovation, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] (1) Preparation of emulsion polymer: mix water, ethylenically unsaturated anionic monomer and phosphate-containing surfactant, stir at 1200r / min to prepare monomer premix; then add thickener and pH regulator in sequence , dispersant and wetting agent, made into emulsion polymer;

[0043] (2) Preparation of film-forming polymer: mix water, dipropylene glycol butyl ether and water-based bisphenol A epoxy resin, stir for 50min, and make film-forming polymer;

[0044] (3) Preparation of waterproof coating: mixing the emulsion polymer and the film-forming polymer, stirring for 20 minutes, to prepare the waterproof coating.

Embodiment 2

[0046] (1) Preparation of emulsion polymer: mix water, ethylenically unsaturated anionic monomer and phosphate-containing surfactant, stir at 1500r / min to prepare monomer premix; then add thickener and pH regulator in sequence , dispersant and wetting agent, made into emulsion polymer;

[0047] (2) Preparation of film-forming polymer: mix water, dipropylene glycol butyl ether and water-based bisphenol A epoxy resin, stir for 30min, and make film-forming polymer;

[0048] (3) Preparation of waterproof coating: mixing emulsion polymer and film-forming polymer, stirring for 40 min, to prepare the waterproof coating.

Embodiment 3

[0050] (1) Preparation of emulsion polymer: mix water, ethylenically unsaturated anionic monomer and phosphate-containing surfactant, stir at 1350r / min to prepare monomer premix; then add thickener and pH regulator in sequence , dispersant and wetting agent, made into emulsion polymer;

[0051] (2) Preparation of film-forming polymer: mix water, dipropylene glycol butyl ether and water-based bisphenol A epoxy resin, stir for 40min, and make film-forming polymer;

[0052] (3) Preparation of waterproof coating: mixing emulsion polymer and film-forming polymer, stirring for 30 min, to prepare the waterproof coating.

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Abstract

The invention discloses a water-resistant paint for building external wall ceramic tile renovation, and a preparation method and application thereof. The water-resistant paint comprises the following components in parts by weight: 0.2-20 parts of olefinic-bond unsaturated anion monomer, 0.5-10 parts of phosphate-containing surfactant, 10-60 parts of water-based bisphenol A epoxy resin, 6-8 parts of dipropylene glycol monobutyl ether, 1-5 parts of dispersing agent, 0.1-0.5 part of wetting agent, 2-4 parts of thickener and 0.5-1 part of pH regulator. The preparation method comprises the following steps: (1) stirring the water, olefinic-bond unsaturated anion monomer and phosphate-containing surfactant at 1200-1500 r / min to prepare a monomer premixture; sequentially adding the thickener, pH regulator, dispersing agent and wetting agent to prepare an emulsion polymer; (2) stirring the water, dipropylene glycol monobutyl ether and water-based bisphenol A epoxy resin for 30-50 minutes to prepare a film formation polymer; and (3) stirring the emulsion polymer and film formation polymer for 20-40 minutes to prepare the water-resistant paint.

Description

technical field [0001] The invention relates to the technical field of chemical coatings, in particular to a waterproof coating for renovation of building exterior wall tiles, a preparation method and application thereof. Background technique [0002] Building exterior wall tiles play an indelible role in the construction and beautification of cities and the decoration of building exterior walls. However, the "dominant" and "invisible" safety issues of ceramic tiles are increasingly paid attention to by the public, so the transformation of traditional exterior wall tiles on existing buildings has become the main research direction of people. Existing ceramic tiles often have problems such as easy falling off, many holes, easy hollowing and cracking, which cause water seepage. It is caused by the lack of viscosity, water resistance, hardness and stability of the tile itself; in addition, such tiles have a short life span, and if they are not replaced or refurbished in time, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D133/02C09D135/00C09D143/02C08F222/02C08F220/06C08F220/04C08F120/06C08F130/02
Inventor 徐德生
Owner WUXI JIABANG ELECTRIC POWER PIPE FACTORY
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