Preparation method of modified special slurry for floating beads and modified special slurry for floating beads

A technology of floating beads and modification, applied in the direction of reflection/signal paint, coating, etc., can solve the problems of high energy consumption in the production process, low quality stability, troublesome preparation process, etc.

Active Publication Date: 2016-01-27
HUZHOU GREEN BUILDING MATERIALS DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the preparation process of this kind of chemical coating method is cumbersome, the quality stability is not high, and the energy consumption in the production process is relatively large

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0129] In method C, the additives described in steps ① and ④ consist of the following components, in parts by mass:

[0130] Coalescing agent 0.8

[0131] Leveling agent 0.1

[0132] Thickener 0.1

[0133] Antifreeze 1.0

[0134] Dispersant 0.5

[0135] Defoamer 0.2.

[0136] The formula of reflective paint is as follows, by mass parts:

[0137] Silicone modified acrylate emulsion 26.0

[0138] Elastic Acrylic Emulsion 16.0

[0139] Titanium dioxide 13.0

[0140] Barium Sulfate 2.0

[0141] Mica powder 0.8

[0142] water 16.0

[0143] Coalescing agent 0.8

[0144] Leveling agent 0.1

[0145] Thickener 0.1

[0146] Antifreeze 1.0

[0147] Dispersant 0.5

[0148] Defoamer 0.2

[0149] Cellulose ether 0.05.

[0150] The formulation of the heat-insulating reflective coating is as follows, in parts by mass:

[0151] Silicone modified acrylate emulsion 26.0

[0152] Elastic Acrylic Emulsion 16.0

[0153] Modified floating beads 16.0

[0154] Titanium dioxide 13.0 ...

Embodiment 2

[0166] In method C, the additives described in steps ① and ④ consist of the following components, in parts by mass:

[0167] Coalescing agent 0.9

[0168] Leveling agent 0.2

[0169] Thickener 0.12

[0170] Antifreeze 1.2

[0171] Dispersant 0.56

[0172] Defoamer 0.22

[0173] The formula for the reflective paint is as follows:

[0174] Silicone modified acrylate emulsion 27.0

[0175] Elastic Acrylic Emulsion 17.0

[0176] Titanium dioxide 14.0

[0177] Barium Sulfate 2.0

[0178] Mica powder 0.84

[0179] water 16.5

[0180] Coalescing agent 0.9

[0181] Leveling agent 0.2

[0182] Thickener 0.12

[0183] Antifreeze 1.2

[0184] Dispersant 0.56

[0185] Defoamer 0.22

[0186] Cellulose ether 0.05.

[0187] The formula of heat-insulating reflective coating is as follows:

[0188] Silicone modified acrylate emulsion 27.0

[0189] Elastic Acrylic Emulsion 17.0

[0190] Modified floating beads 17.0

[0191] Titanium dioxide 14.0

[0192] Barium Sulfate 2.0...

Embodiment 3

[0203] In method C, the additives described in steps ① and ④ consist of the following components, in parts by mass:

[0204] Coalescent 1.0

[0205] Leveling agent 0.3

[0206] Thickener 0.15

[0207] Antifreeze 1.2

[0208] Dispersant 0.6

[0209] Defoamer 0.25

[0210] The formula for the reflective paint is as follows:

[0211] Silicone modified acrylate emulsion 28.0

[0212] Elastic Acrylic Emulsion 18.0

[0213] Titanium dioxide 15.0

[0214] Barium sulfate 2.5

[0215] Mica powder 0.88

[0216] water 16.5

[0217] Coalescent 1.0

[0218] Leveling agent 0.3

[0219] Thickener 0.15

[0220] Antifreeze 1.2

[0221] Dispersant 0.56

[0222] Defoamer 0.26

[0223] Cellulose ether 0.05.

[0224] The formula of heat-insulating reflective coating is as follows:

[0225] Silicone modified acrylate emulsion 28.0

[0226] Elastic Acrylic Emulsion 18.0

[0227] Modified floating beads 18.0

[0228] Titanium dioxide 15.0

[0229] Barium sulfate 2.5

[0230] Mi...

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PUM

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Abstract

The invention relates to a coating for photo-thermal reflection and photo-thermal isolation, and in particular relates to a preparation method of slurry special for modified floating beads, and the slurry special for the modified floating beads, belonging to the technical field of building coatings. A reflective thermal-insulation coating comprises a reflective coating and modified floating beads, wherein the modified floating beads are uniformly dispersed in the reflective coating. From economic considerations, ceramic hollow micro beads are replaced by fly-ash floating beads, and good technical effects are obtained; the price of the fly-ash floating beads is much lower than that of the ceramic hollow micro beads; and although the fly-ash floating beads have strong thermal insulation capacities, the color of the fly-ash floating beads is not pure white enough, and the photo-thermal reflection performance of the coating is influenced. According to the slurry disclosed by the invention, the color problems of the floating beads are solved by adopting a titanium dioxide spraying process; moreover, the adhesion of the floating beads to the wall surface is much stronger than that of the ceramic hollow micro beads, thus having technical advantages; the reflective coating disclosed by the invention not only can be used independently, but also can be matched with the modified floating beads; and the reflective coating has a photo-thermal reflection effect when being used independently, and has a reflective thermal-insulation effect when being matched.

Description

technical field [0001] The invention relates to a coating for reflecting light and heat and isolating light and heat, in particular to a preparation method of a special slurry for modified floating beads and a special slurry for modified floating beads, and belongs to the technical field of architectural coatings. Background technique [0002] At present, reflective heat insulation coatings have been more and more widely used in buildings. Generally speaking, under the same base material conditions, pigments and fillers play a leading role in the reflective heat insulation effect of reflective heat insulation coatings. One of the keys. Ceramic hollow microspheres are a kind of white powder. The particles are hollow inside, with low density and small thermal conductivity. They can well reflect incident waves such as light and heat, and prevent heat from being transmitted to the interior of the object. These properties make it a reflective barrier. First choice filler for th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D5/33C09D133/04C09D133/00C09D7/12
Inventor 朱士荣朱维梁徐敏张海棠黄宝军
Owner HUZHOU GREEN BUILDING MATERIALS DEV
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