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Reflective and heat-insulating colored sand, preparation method and application

A technology of colored sand and bottom sand, which is applied in the field of architectural coatings, which can solve the problems of coating surface pollution and low reflection performance, and achieve the effects of excellent weather resistance, colorful colors, and excellent reflection and heat insulation durability

Active Publication Date: 2021-08-24
CHANGZHOU HONGCHENG SAND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, although most of the reflective heat-insulating coating products on the market can meet the requirements of the new national standard, with the prolongation of use time, the surface of the coating formed by the coating has been polluted, resulting in its reflective performance far lower than the initial value, while high-quality The reflective heat insulation coating should have good stain resistance and durability while meeting the requirements of reflective heat insulation performance, that is, it can maintain a long-term reflective heat insulation effect

Method used

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  • Reflective and heat-insulating colored sand, preparation method and application
  • Reflective and heat-insulating colored sand, preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Preparation of yellow sand reflective insulation method of the present invention, comprising the steps of:

[0032] S1: Preparation of granulated silicate mineral premix: selected from silica sand # 6, # 7, # 8 sand, and gradation adjustment screen, and the granules according to the weight of silicate mineral different size ratio: 63% of 40-80 mesh, 80-120 mesh 20%, 17% mixed 120-200 mesh, silicate mineral particles to obtain a premix;

[0033] S2: the pulp slurry and the bottom surface of the pulp slurry was prepared:

[0034] Preparation of Substrate pulp slurry, the weight ratio of sodium silicate 38%, 22% kaolin, 8% industrial borax, 17% rutile titanium dioxide, nano zinc oxide 5% and 10% of water, was added dispersing machine sanding, grinding 1.2 h, undercoat pulp slurry;

[0035] Preparation of batter slurry, the sodium silicate 38%, 30% kaolin, titanium yellow as a yellow pigment cold 7%, and 5% rutile titanium dioxide was added 20% aqueous dispersion machine sandin...

Embodiment 2

[0039] The method of the present invention is prepared by the method of the present invention, including the following steps:

[0040] S1: Preparation of silicate mine premix: 6 #, 7 #, 8 # sand directly from quartz sand mine, and adjust the level with screens, and subtraction of different particle silts of silicate minerals according to weight Metals: 40-80 mesh 70%, 80-120 mesh 15%, 120-200 mesh 15% mixed uniform, silous silicate mine premix;

[0041] S2: Preparation of Squash Slurry and Slurry Slurry:

[0042] Preparation of the bottom slurry, 3% by weight of water glass, 27% kaolin, 1% industrial boar sand, 30% of golden-red stone powder, 10% nano-zinc oxide, 1% iron oxide (inorganic cold pig reinforcing agent) And the water is 1%, add a frosted dispersion, grind 1.5 h, and the bottom slurry is obtained;

[0043] Preparation of the slurry slurry, 30% of the water glass, 26% kaolin, 5% red cold pig powder, 10% of the golden-red stone powder, 29% in the water, 20%, grinding 1.5 ...

Embodiment 3

[0047] It is prepared by the method of the present invention to prepare a green reflective insulation, including the following steps:

[0048] S1: Preparation of silicate mine premix: 6 #, 7 #, 8 # sand directly from quartz sand mine, and adjust the level with screens, and subtraction of different particle silts of silicate minerals according to weight Metals: 40-80 mesh 80%, 80-120 mesh 10%, 120-200 mesh 10% mixed uniform, gadenilicate mine premix;

[0049] S2: Preparation of Squash Slurry and Slurry Slurry:

[0050] Preparation of the bottom slurry, the weight ratio is 48% of the water glass, 20% kaolin, 8% of the industrial bohaha, 10% of the golden-red stone powder, 8% nano-zinc oxide, 6%, add a frosted dispersion, grind 2h Get a bottoming slurry;

[0051] Preparation of the plasma slurry, 60% of the water glass, 20% kaolin, 10% of the green pigment toner, 6% of the golden-red, titanium white powder, and 4% water 4%, grinding 2 h, green plasma slurry;

[0052] S3: Preparation ...

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Abstract

The invention discloses a reflective heat-insulating colored sand, a preparation method and an application thereof, and belongs to the technical field of architectural coatings. The reflective and heat-insulating colored sand of the present invention includes silicate ore particles, and the outer surface of the silicate ore particles is wrapped with a reflective heat-insulating layer, and the reflective heat-insulating layer includes a bottom slurry layer and a surface slurry layer in sequence from the inside to the outside; its preparation method It includes four steps of preparation of silicate mineral particle premix, preparation of primer slurry and surface slurry, preparation of bottom sand and preparation of reflective heat-insulating colored sand, with simple preparation process and strong practicability; The main use of colored sand is as an insulation coating for exterior walls or roof surfaces. The reflective and heat-insulating colored sand of the present invention has excellent weather resistance, low oil absorption rate, excellent near-infrared reflectance and excellent sunlight reflectance, and has rich colors, and can be used as reflective and heat-insulating coatings on the surfaces of different substrates, and its preparation The method is simple and practical.

Description

Technical field [0001] The present invention relates to the technical field of architectural coatings, particularly, to a reflective insulation sand, preparation method and application. Background technique [0002] Natural sand and artificial sand into sand. Natural sand which has good thermal conductivity and high thermal storage capacity, as a building material of the housing wall, can be isolated from the summer sunlight, to prevent the indoor energy consumption of about 100 ~ 150kWh / m, and the glass wall heating and cooling of buildings energy consumed in 300 ~ 700kWh / m, but not enough natural sand with a bright color, less color difference and color varieties of large defects; artificial sand and natural sand to overcome the above drawbacks have been great Villa on large-scale application of asphalt shingles Western countries, basalt sand embedded in a layer of inorganic particles on the surface of asphalt shingles, not only play a beautiful effect, but also play a role...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B20/12C04B14/06C04B28/26
CPCC04B14/06C04B20/12C04B28/26C04B20/1085C04B20/1066C04B20/107C04B20/1074C04B14/106C04B22/08C04B14/305C04B14/30C04B2103/54
Inventor 杨鲁生陈孟
Owner CHANGZHOU HONGCHENG SAND
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