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A kind of ultra-high viscosity and high sunlight reflectance waterproof and heat-insulating coating and preparation method thereof

A thermal insulation coating, high viscosity technology, applied in antifouling/underwater coatings, reflection/signal coatings, coatings, etc., can solve the problem of low reflection ratio, reduce the heat absorption capacity, improve the thermal insulation and waterproof function, The effect of reducing the scale

Active Publication Date: 2020-04-28
哈尔滨拓百世环保涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problem of low reflection ratio of existing coatings to sunlight, and provides a waterproof and heat-insulating coating with ultra-high viscosity and high sunlight reflection ratio and its preparation method

Method used

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  • A kind of ultra-high viscosity and high sunlight reflectance waterproof and heat-insulating coating and preparation method thereof
  • A kind of ultra-high viscosity and high sunlight reflectance waterproof and heat-insulating coating and preparation method thereof
  • A kind of ultra-high viscosity and high sunlight reflectance waterproof and heat-insulating coating and preparation method thereof

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Experimental program
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specific Embodiment approach 1

[0030] Embodiment 1: In this embodiment, the ultra-high viscosity and high sunlight reflectance waterproof and heat-insulating coating includes the following components in parts by weight:

[0031]

[0032] Among them, the hollow ceramic microspheres are made of 8 kinds of hollow ceramic microspheres with different particle sizes. The specific particle sizes and proportions are as follows:

[0033]

[0034]

[0035] The titanium dioxide is nanometer rutile titanium dioxide, and the particle size of the titanium dioxide is 10-350nm.

specific Embodiment approach 2

[0036] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the water is deionized water treated by RO membrane. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0037] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is that the dispersant is polycarboxylate, polyphosphate, polysiloxane, maleic anhydride-acrylic acid copolymer sodium salt, hydrophobic modified One or more mixtures of permanent acrylate ammonium salts. Others are the same as in the first or second embodiment.

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Abstract

The invention provides ultrahigh-viscosity and high-sunlight-reflection-ratio waterproof and heat insulation coating and a preparation method thereof and relates to a waterproof and heat insulation coating and a preparation method thereof. The ultrahigh-viscosity and high-sunlight-reflection-ratio waterproof and heat insulation coating is prepared from water, hollow ceramic microspheres, titaniumwhite powder, a dispersant, ultraviolet crosslinking acrylic emulsion, silicon resin, a film forming auxiliary agent, a mildew-proof auxiliary agent, a de-foaming agent, a pH (Potential of Hydrogen) regulator and a rheological modifier premix. The method comprises the following steps: adding raw materials into a reaction kettle and stirring the raw materials while adding to obtain a mixture; regulating the pH value and adding the rheological modifier premix; mixing a liquid phase at a low speed; decompressing and distilling to remove water, so as to obtain the coating. According to the ultrahigh-viscosity and high-sunlight-reflection-ratio waterproof and heat insulation coating provided by the invention, the coverage capability of the coating is greatly improved so that the minimum thickness for covering a substrate is reduced and reaches 0.5 to 0.8mm. The sunlight reflection ratio of the coating can reach 0.92 under the thickness. The preparation method is used for preparing the high-performance waterproof and heat insulation coating.

Description

technical field [0001] The invention relates to a waterproof and heat-insulating paint and a preparation method thereof. Background technique [0002] Energy saving is a long-term strategic policy for national economic development. China has a large geographical area, and each region has different requirements for thermal insulation and waterproof performance coatings. This product uses water as a solvent, which is non-toxic, harmless, safe and environmentally friendly, has both heat insulation and waterproof functions, is convenient for construction, has excellent performance, and has a wide range of applications. At present, the performance of domestic products is single, the heat insulation or waterproof effect is poor, and the construction requirements are high. In addition, the existing coatings have a low reflection ratio to sunlight, which only reaches the national standard of 0.8. Therefore, it is imperative to develop a product that has both heat insulation and w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/00C09D183/04C09D5/33C09D5/16
CPCC08K2003/2241C08K2201/011C08K2201/014C08L2205/035C09D5/004C09D5/1675C09D133/00C08L83/04C08L1/284C08K7/24C08K3/22
Inventor 吴征邢会冰
Owner 哈尔滨拓百世环保涂料有限公司
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