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Building energy-saving coating and its preparation method

A building energy-saving and coating technology, which is applied in the direction of epoxy resin coating, reflection/signal coating, coating, etc., can solve the problems of high reflectance, poor heat resistance of polystyrene microspheres, etc., and achieve sunlight reflection High ratio, excellent stability, effects of improving stability and durability

Inactive Publication Date: 2015-04-08
江苏丰彩建材(集团)有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Titanium dioxide-coated polystyrene composite microspheres in the present invention adopt titanium dioxide-coated polystyrene microspheres, which are organic-inorganic composite microspheres, which have all the advantages of polystyrene microspheres and titanium dioxide, making the whole system The performance has been improved, and titanium dioxide has a high reflectance to sunlight. The introduction of titanium dioxide not only solves the problem of poor heat resistance of polystyrene microspheres, but also improves the stability and durability of polystyrene microspheres, thereby improving the coating image. The performance of the coating, and the coating has the functions of self-cleaning, anti-fog, and degradation of air pollution

Method used

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  • Building energy-saving coating and its preparation method
  • Building energy-saving coating and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 1. Preparation of titanium dioxide-coated polystyrene composite microspheres

[0031]According to the weight ratio of components, add 32.9% deionized water, 60% purified styrene monomer solution (concentration ≥ 99.9%), 0.1% potassium persulfate, 3% KCL, and 4% acetone into the condensing reflux device in sequence 1. In the reaction kettle with a stirring paddle, nitrogen protection at room temperature is used to remove oxygen in the reactor and water. Set the rotation speed of the stirring paddle at 500r / min and stir for 20 minutes, then continue to pass nitrogen gas, and raise the temperature from room temperature to 70°C Finally, the rotation speed of the stirring blade was adjusted to 300r / min, and the monodisperse polystyrene microsphere emulsion was obtained by discharging after 24 hours of reaction.

[0032] Add 1 part of polystyrene microsphere emulsion and 10 parts of 98% concentrated sulfuric acid into the container according to the proportion by weight, and s...

Embodiment 2

[0037] 1. Preparation of titanium dioxide-coated polystyrene composite microspheres

[0038] Add 26.9% deionized water, 70% purified styrene monomer solution, 1% ammonium persulfate, 2% KCL, and 0.1% methanol into the reaction kettle connected with a condensing reflux device and a stirring paddle in turn, and nitrogen protection at room temperature In order to remove the oxygen in the reaction kettle and water, set the rotation speed of the stirring paddle at 300r / min and stir thoroughly for 10 minutes, then continue to pass nitrogen, and after the temperature rises from room temperature to 80°C, adjust the rotation speed of the stirring paddle to 300r / min, and react After 12 hours of discharging, a monodisperse polystyrene microsphere emulsion was obtained.

[0039] Add 1 part of polystyrene microsphere emulsion and 8 parts of chlorosulfonic acid into the container according to the proportion by weight, and stir for 3 hours after ultrasonic dispersion for 10 minutes, so that ...

Embodiment 3

[0044] 1. Preparation of titanium dioxide-coated polystyrene composite microspheres

[0045] Add 40% deionized water, 50% purified styrene monomer solution, 2% benzoyl peroxide, 4% KCL, and 4% glycerol into the reaction kettle connected with a condensing reflux device and a stirring paddle in sequence, and the room temperature Under the protection of nitrogen to remove the oxygen in the reaction kettle and water, set the rotation speed of the stirring paddle at 400r / min and stir for 15 minutes, then continue to pass nitrogen gas, and after the temperature rises from room temperature to 60°C, adjust the rotation speed of the stirring paddle to 250r / min, reacted for 30h and discharged to obtain a monodisperse polystyrene microsphere emulsion.

[0046] Add 1 part of polystyrene microsphere emulsion and 8 parts of sulfamic acid into the container according to the proportion by weight, and stir for 5 hours after ultrasonic dispersion for 15 minutes, so that the polystyrene microsp...

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Abstract

The invention relates to a building energy-saving coating. The coating components are as follows by weight: 10-40% of a polymer emulsion, 20-40% of a pigment filler, 5-15% of ceramic powder, 5-20% of titanium dioxide coated polystyrene composite microspheres, 1-5% of ethylene glycol, 0.05-10% of an additive, and 5-40% of deionized water. Through the optimization of the coating formulation and the preparation method, the inventive coating can significantly improve the effects of energy saving, environmental protection performance and decoration of buildings, and the process is simple and suitable for industrial production.

Description

technical field [0001] The invention relates to an energy-saving material for building walls, in particular to an environment-friendly building energy-saving coating and a preparation method thereof, belonging to the technical field of building materials. Background technique [0002] In my country, the energy consumption of buildings connected with the production of fence structure materials has accounted for about 30% of the total energy consumption in the country. With the advancement of urbanization in my country, the proportion of building energy consumption in total energy consumption continues to increase, and building energy conservation has become the primary task of improving the efficiency of social resource use. Among building energy-saving materials, thermal insulation materials have attracted more and more attention because of their advantages of economy, convenience in use, environmental protection and good energy-saving effect. At present, the commonly used ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D133/04C09D127/12C09D163/00C09D7/12C09D5/33C08J7/06
CPCC08K2003/2241C09D133/00C08L2205/025C08L2205/035C09D5/004C09D7/62C09D125/14C09D127/12C09D163/00C08L25/06C08L33/02C08K13/06C08K9/12C08K5/103C08K5/053C08K5/5415C08K3/34C08L71/00C08K5/06C08K2003/265C08L33/00
Inventor 朱殿奎李娟沈志明李晴朱灿银张辉李伟
Owner 江苏丰彩建材(集团)有限公司
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