Composite polymer coating for buildings and preparation method thereof

A composite coating and polymer technology, applied in the coating and other directions, can solve the problems of insignificant electromagnetic shielding performance, poor electrical conductivity, poor oxidation resistance, etc., and achieve good waterproof effect, high physical performance and heat resistance, and good electromagnetic shielding. effect of effect

Inactive Publication Date: 2015-02-25
ZHENGZHOU UNIV OF IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, nickel-based water-based coatings have good electromagnetic shielding performance and anti-oxidation performance, and are the mainstream of current water-based electromagnetic shielding coatings; copper-based water-based coatings have good electrical conductivity, but poor oxidation resistance. H

Method used

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  • Composite polymer coating for buildings and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0013] Example 1: (1), 9 grams of serpentine powder with a particle diameter of 2 to 5 um, 7 grams of phosphogypsum powder with a particle diameter of 5 to 10 um, 1.2 grams of triethanolamine, 2.5 grams of sodium benzenesulfinate, stearic acid 5 grams of zinc; added to 45 grams of Bardfu 998A styrene-acrylic emulsion, stirred at a speed of 600-800 rpm for 30 minutes to obtain mixture A;

[0014] (2) Add 2 grams of sodium dodecylbenzenesulfonate, 4 grams of praseodymium neodymium alloy powder with a particle size of 1-2um, 7.5 grams of nano-iron powder with a particle size of 20-30nm, and tellurium powder with a particle size of 2-3um. 2 grams of powder, mixed and stirred evenly; added to another 20 grams of Bardfu 998A styrene-acrylic emulsion, and stirred for 80 minutes with an Adap YPS59 ultrasonic solution mixer; to obtain mixture B;

[0015] (3) Mix mixture A and mixture B in step (1) and step (2), and stir at a speed of 800-1000 rpm for 10 minutes.

Example Embodiment

[0016] Example 2: (1), 9 grams of serpentine powder with a particle diameter of 2 to 5 um, 6 grams of phosphogypsum powder with a particle diameter of 5 to 10 um, 1 gram of triethanolamine, 2 grams of sodium benzenesulfinate, stearic acid 5 grams of zinc; added to 41 grams of Bardfu 998A styrene-acrylic emulsion, stirred at a speed of 600-800 rpm for 30 minutes to obtain mixture A;

[0017] (2) Add 1.5 grams of sodium dodecylbenzenesulfonate, 3.5 grams of praseodymium neodymium alloy powder with a particle size of 1-2um, 7 grams of nano-iron powder with a particle size of 20-30nm, and tellurium powder with a particle size of 2-3um. 1.5 grams of powder, mixed and stirred evenly; added to another 17 grams of Bardfu 998A styrene-acrylic emulsion, and stirred for 80 minutes with an Adap YPS59 ultrasonic solution mixer; to obtain mixture B;

[0018] (3) Mix mixture A and mixture B in step (1) and step (2), and stir at a speed of 800-1000 rpm for 10 minutes.

Example Embodiment

[0019] Example 3: (1), 12 grams of serpentine powder with a particle diameter of 2 to 5 um, 9 grams of phosphogypsum powder with a particle diameter of 5 to 10 um, 1.5 grams of triethanolamine, 3 grams of sodium benzenesulfinate, stearic acid 6 grams of zinc; added to 46 grams of Bardfu 998A styrene-acrylic emulsion, stirred at a speed of 600-800 rpm for 30 minutes to obtain mixture A;

[0020] (2) Add 2 grams of sodium dodecylbenzenesulfonate, 4.5 grams of praseodymium neodymium alloy powder with a particle size of 1-2um, 8 grams of nano-iron powder with a particle size of 20-30nm, and tellurium powder with a particle size of 2-3um. 2.5 grams of powder, mixed and stirred evenly; added to another 20 grams of Bardfu 998A styrene-acrylic emulsion, and stirred for 80 minutes with an Adap YPS59 ultrasonic solution mixer; to obtain mixture B;

[0021] (3) Mix mixture A and mixture B in step (1) and step (2), and stir at a speed of 800-1000 rpm for 10 minutes.

[0022] Scratch-coat...

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Abstract

The invention discloses a composite polymer coating for buildings. The composite polymer coating is characterized by being prepared from the following raw materials in parts by weight: 65 parts of styrene-acrylic emulsions, 9 parts of serpentine powder with grain diameter of 2-5 microns, 7 parts of phosphogypsum powder with grain diameter of 5-10 microns, 1.2 parts of triethanolamine, 2.5 parts of benzene sulfinic acid sodium, 5 parts of zinc stearate, 2 parts of sodium dodecyl benzene sulfonate, 4 parts of praseodymium-neodymium alloy powder with grain diameter of 1-2 microns, 7.5 parts of nanometer ferrous powder with grain diameter of 20-30 microns, and 2 parts of tellurium powder with grain diameter of 2-3 microns. According to the composite polymer coating for buildings, composite functional powder which is prepared from nanometer ferric powder, praseodymium-neodymium alloy powder and tellurium powder are added; therefore, the composite polymer coating has a good electromagnetic shielding effect. The coating is in the frequency range of 100 kHz-1.5GHz, and the shielding efficiency can reach 62-78dB; meanwhile, the composite polymer coating is relatively high in physical performance and heatproof performance, and has a good waterproof effect.

Description

technical field [0001] The invention belongs to the field of building materials, and relates to a building coating, in particular to a polymer composite coating for building and a preparation method thereof. Background technique [0002] Architectural coatings have the functions of decoration, protection and habitability improvement. The proportions of various functions vary depending on the purpose of use. The decorative function is to improve the appearance value of a building by beautifying it. It mainly includes the conceptual design of flat color, pattern and gloss and the conceptual design of three-dimensional pattern. However, it must be matched with the shape of the building itself and the size and shape of the base material itself, so that it can be fully utilized. The protection function refers to the function of protecting the building from the influence and damage of the environment. Different types of protected objects have different requirements for protect...

Claims

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Application Information

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IPC IPC(8): C09D125/14C09D7/12C09D5/00
CPCC08K3/02C08K3/08C08K3/22C08K13/02C08K2003/0856C08K2003/2206C08K2201/003C08K2201/011C08K2201/014C09D7/61C09D7/63C09D125/14
Inventor 李保集
Owner ZHENGZHOU UNIV OF IND TECH
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