Functional paint for outer wall

A technology for functional coatings and exterior walls, applied in the field of coatings, can solve problems such as limited heat insulation effect, poor adhesion, and poor coating uniformity

Inactive Publication Date: 2016-11-09
广德衡峰新型建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But mainly by controlling heat conduction, the heat insulation effect is limited,

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A functional coating for exterior walls, component A includes the following raw materials in parts by weight: 45 parts of base emulsion, 12 parts of glass microspheres, 7 parts of titanium dioxide, 10 parts of filler, 10 parts of water, 10 parts of auxiliary agent (film-forming auxiliary 7 parts of agent, 0.1 part of leveling agent, 1.4 part of thickener, 0.5 part of wetting agent, 0.4 part of dispersant, 0.1 part of defoamer and 0.5 part of pH regulator); the base emulsion is fluoroolefin and vinyl ester The copolymer emulsion has a fluorine content of 22% and a solid content of 45%; the film-forming aid is 3-ethoxy ethyl propionate; the leveling agent is a silicone leveling agent; the dispersant is poly Carboxylic acid sodium salt, the thickener is an alkali-swellable thickener, and the pH regulator is dimethylethanolamine.

[0020] Component B includes 65 parts by weight of water-based isocyanate and 35 parts by weight of propylene glycol methyl ether acetate.

[00...

Embodiment 2

[0023] A functional coating for exterior walls, comprising component A and component B, which are mixed at a weight ratio of 5:1 when the coating is used.

[0024] Component A includes the following raw materials by weight: 55 parts of base emulsion, 10 parts of glass microspheres, 8 parts of titanium dioxide, 7 parts of filler, 8 parts of water, 15 parts of additives (12.2 parts of film-forming aids, 0.3 parts of leveling agent part, 0.5 part of thickener, 0.7 part of wetting agent, 0.8 part of dispersant and 0.2 part of defoamer and 0.3 part of pH regulator), 0.5 part of nano-scale titanium dioxide, 0.5 part of nano-zinc oxide; the base emulsion is fluorine Copolymer emulsion of olefin and vinyl ester with 20% fluorine and 55% solids.

[0025] Component B includes 70 parts by weight of water-based isocyanate and 30 parts by weight of propylene glycol methyl ether acetate.

[0026] In component A, the filler is a mixture obtained by mixing talcum powder and nano-tin oxide in...

Embodiment 3

[0028] A functional coating for exterior walls, comprising component A and component B, which are mixed at a weight ratio of 8:1 when the coating is used.

[0029] Component A includes the following raw materials in parts by weight: 45 parts of base emulsion, 12 parts of glass microspheres, 7 parts of titanium dioxide, 12 parts of filler, 13 parts of water, 20 parts of additives (15 parts of film-forming aids, 0.5 parts of leveling agent part, 2.0 parts of thickener, 1.0 part of wetting agent, 0.5 part of dispersant, 0.2 part of defoamer and 0.8 part of pH regulator), 1 part of nano-scale titanium dioxide, and 1 part of nano-zinc oxide; the base emulsion is fluorine Copolymer emulsion of olefin and vinyl ester, the fluorine content is 25%; the film-forming aid is 3-ethoxy ethyl propionate; the leveling agent is a silicone leveling agent; the dispersant is polycarboxylic acid sodium salt, the thickener is an alkali-swellable thickener, and the pH regulator is dimethylethanolami...

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Abstract

The invention belongs to the field of paint, and relates to functional paint for an outer wall. The functional paint comprises a component A and a component B, and the component A is prepared from, by weight, 45-60 parts of base emulsion, 8-12 parts of glass beads, 7-10 parts of titanium dioxide, 7-12 parts of filler, 8-13 parts of water and 10-20 parts of auxiliary; the base emulsion is fluoroolefin and vinyl ester copolymer emulsion, and the filler is a mixture of one or more of kaolin, talcum powder and calcium carbonate and one or more of nano stannic oxide and nano antimony oxide; the component B includes water-based isocyanate and propylene glycol monomethyl ether acetate. The specific base emulsion is adopted in the paint, the match of all the ingredients in the paint is designed optimally, the obtained paint has heat insulation and reflection functions, is high in reflectivity, good in uniformity and anti-settling property, high weather and water resistance and has good adhesive force, and all good properties are stable.

Description

technical field [0001] The invention belongs to the field of coatings and relates to a functional coating for exterior walls. Background technique [0002] Exterior wall coatings can protect the exterior walls of buildings that have been exposed to wind, sun, and rain for years. They must have good enough water resistance, weather resistance, stain resistance and freeze-thaw resistance to ensure good performance. decorative effect and durability. Not only that, under the high radiation of the sun, the surface of the building is raised, and the heat is transferred to the interior of the building, which increases the working pressure of cooling equipment such as air conditioners, resulting in excessive energy consumption, which also requires Coatings can have the effect of heat insulation. In recent years, some reflective heat insulation materials and manufacturing methods have also appeared in the paint market, such as a Chinese invention patent with the patent number CN2014...

Claims

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Application Information

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IPC IPC(8): C09D127/12C09D5/33C09D7/12
CPCC09D127/12C08K2201/003C08K2201/011C08L2205/02C08L2205/03C09D5/004C08L33/02C08K13/04C08K7/28C08K2003/2241C08K3/34C08K2003/2231C08K3/2279C08L33/00
Inventor 刘谦齐中华姜玖亮董勇广李璐璐许建权方明
Owner 广德衡峰新型建材有限公司
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