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Waterborne inorganic heat-insulating, waterproof and environment-friendly coating for buildings and preparation method of coating

An environmentally friendly coating and construction technology, applied in the direction of fireproof coatings, reflective/signal coatings, alkali metal silicate coatings, etc., can solve the problems of cumbersome procedures, long construction period, and flammable materials, and achieve small surface area to volume ratio, Effect of blocking heat transfer and excellent water resistance

Inactive Publication Date: 2017-11-24
湖南众雄工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the energy saving of buildings in China mainly relies on pasting thermal insulation materials with low thermal conductivity on the external walls to block heat transfer. Related technologies include polystyrene board thin plastering technology and rock wool board external thermal insulation technology. However, there are many problems as follows: (1) The process is cumbersome, the construction is difficult and the technical level of the workers is high; (2) The construction period is long and the cost is high; Cracking quality problems; (4) The material is flammable and there are fire safety hazards

Method used

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  • Waterborne inorganic heat-insulating, waterproof and environment-friendly coating for buildings and preparation method of coating
  • Waterborne inorganic heat-insulating, waterproof and environment-friendly coating for buildings and preparation method of coating
  • Waterborne inorganic heat-insulating, waterproof and environment-friendly coating for buildings and preparation method of coating

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Experimental program
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Effect test

Embodiment 1

[0048] The water-based inorganic heat-insulating and waterproof environmental protection paint of the building of the present embodiment is prepared according to the following steps:

[0049] (1) Take raw materials: take raw materials according to the amount in Table 1;

[0050] (2) At normal temperature, pour water into the mixing tank, add dispersant, and stir at 200r / min until the dispersant is fully dissolved, then add nanoparticles, and continue stirring for 30min to fully disperse the nanoparticles in the water to obtain Suspension 1;

[0051] (3) Add silicate solution, alkyl-modified silicate solution, silicon acrylic emulsion, silane coupling agent, and leveling agent to suspension 1 in sequence, and stir for 10 minutes under the condition of 200r / min to make the raw materials fully Mix well to obtain suspension 2;

[0052] (4) Add silica airgel and kaolin to the suspension 2 (specific surface 50-100m 2 / g, the pore diameter is 1.5~2.5nm), heat-insulating filler, in...

Embodiment 2

[0055] The water-based inorganic heat-insulating and waterproof environmental protection paint of the building of the present embodiment is prepared according to the following steps:

[0056] (1) Take raw materials: take raw materials according to the amount in Table 1;

[0057] (2) At normal temperature, pour water into the mixing tank, add dispersant, and stir at 800r / min until the dispersant is fully dissolved, then add nanoparticles, and continue stirring for 30min to fully disperse the nanoparticles in the water to obtain Suspension 1;

[0058] (3) Add silicate solution, alkyl-modified silicate solution, silicon acrylic emulsion, silane coupling agent, and leveling agent to suspension 1 in sequence, and stir for 10 minutes under the condition of 400r / min to make the raw materials fully Mix well to obtain suspension 2;

[0059] (4) Add silica airgel and kaolin to the suspension 2 (specific surface 50-100m 2 / g, with a pore size of 1.5-2.5nm), heat-insulating fillers, an...

Embodiment 3

[0062] The water-based inorganic heat-insulating and waterproof environmental protection paint of the building of the present embodiment is prepared according to the following steps:

[0063] (1) Take raw materials: take raw materials according to the amount in Table 1;

[0064] (2) At normal temperature, pour water into the mixing tank, add dispersant, and stir at 600r / min until the dispersant is fully dissolved, then add nanoparticles, and continue stirring for 30min to fully disperse the nanoparticles in the water to obtain Suspension 1;

[0065] (3) Add silicate solution, alkyl-modified silicate solution, silicon acrylic emulsion, silane coupling agent, and leveling agent to suspension 1 in sequence, and stir for 10 minutes under the condition of 800r / min to make the raw materials fully Mix well to obtain suspension 2;

[0066] (4) Add silica airgel and kaolin to the suspension 2 (specific surface 50-100m 2 / g, with a pore size of 1.5-2.5nm), heat-insulating fillers, an...

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Abstract

The invention discloses a waterborne inorganic heat-insulating, waterproof and environment-friendly coating for buildings and a preparation method of the coating, and relates to the technical field of building materials. The invention provides the waterborne inorganic heat-insulating, waterproof and environment-friendly coating for the buildings, which are good in heat-insulating and heat-preserving and waterproof performances, strong in bonding force and resistant to wear. The environment-friendly coating is prepared from a binding agent, a film-forming additive, a heat-reflecting filler, a heat-insulating filler and water; the preparation method disclosed by the invention comprises the following steps: weighing raw materials; adding a dispersing agent into water and uniformly stirring; adding a silicate solution, an alkyl-modified silicate solution, a silicone acrylic emulsion, a silane coupling agent and a leveling agent and uniformly stirring; adding silica aerogel, kaolin, a heat-insulting filler and an inorganic pigment and uniformly stirring; filtering to obtain waterborne inorganic heat-insulating, waterproof and environment-friendly coating for the buildings. The coating disclosed by the invention has the advantages of heat insulation, heat preservation, water resistance, good binding force with cement, tiles and metals, scratch resistance, fastness, greenness, environmental protection and the like.

Description

technical field [0001] The invention relates to the technical field of architectural coatings, in particular to a water-based inorganic heat-insulating, waterproof and environmentally friendly coating for interior and exterior walls of buildings and a preparation method thereof. Background technique [0002] Buildings consume approximately 40% of the planet's total energy consumption, most of which is generated by heating and cooling facilities. Although there are many factors that affect the indoor temperature and the resulting air-conditioning and cooling energy consumption, such as climate, building structure, materials, etc., the roof and wall of the building carry more than 50% of the heat transfer between the building and the external environment, which is An important factor affecting the indoor ambient temperature. By blocking the heat transfer between the roof and the wall and the external environment, the temperature of the roof and the wall can be reduced, the he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C09D5/02C09D5/18C09D5/33C09D7/12
CPCC09D1/04C09D5/004C09D5/024C09D5/028C09D5/18
Inventor 刘学红
Owner 湖南众雄工程有限公司
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