Special paint for external thermal insulation system of outer wall

A technology for external wall insulation and coatings, which is applied in the direction of coatings, etc., can solve the problems of cracking of the coating finish layer, no thermal insulation effect, and affect the decorative effect, etc., to achieve not easy to stain dust, good crack resistance, and good thermal insulation effect Effect

Active Publication Date: 2010-11-03
SHANGHAI YUNNI NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the EPS board is relatively soft and solid, it is not recommended to use heavy materials such as ceramic tiles with a large unit area weight on the outside of the external thermal insulation system. Generally, paint is used as the exterior finishing material, because most of the paint products on the market are

Method used

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  • Special paint for external thermal insulation system of outer wall

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) The parts by weight are 100 parts of water, 1 part of carboxyethyl cellulose, 1 part of 1,2-benzisothiazolin-3-one, 1 part of 5040 dispersant, 5 parts of 5027 dispersant, alkoxy 2 parts of base ethanol, 2 parts of metal soap type defoamer, after mixing, put them into the reaction kettle at one time, add sodium bicarbonate dropwise, and adjust the pH to 6;

[0026] (2) The parts by weight are 10 parts of propylene glycol, 6 parts of 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate, 150 parts of titanium dioxide, 25 parts of calcined kaolin, 800 parts of silica fume Put 45 parts of stone powder, 60 parts of natural barium sulfate powder, 2 parts of metal soap type defoamer, 200 parts of silicon acrylic emulsion, 100 parts of elastic pure acrylic emulsion, and 1 part of polysaccharide polymeric thickener into the above reaction solution to react together. Obtain light yellow milky substance;

[0027] (3) Add 60 parts by weight of glass microbead powder to the above-men...

Embodiment 2

[0029] (1) The parts by weight are 200 parts of water, 1 part of carboxyethyl cellulose, 1.5 parts of 2-methyl-4-isothiazolin-3-one, 2 parts of 5040 dispersant, 6 parts of 5027 dispersant, poly 2 parts of the mixture of siloxane-polyether copolymer and polyether-modified organosilicon compound, 2 parts of organosilicon defoamer, after mixing, put them into the reaction kettle at one time, add sodium bicarbonate dropwise, and adjust the pH to 7;

[0030] (2) The parts by weight are 10 parts of propylene glycol, 8 parts of propylene glycol phenyl ether, 175 parts of titanium dioxide, 25 parts of calcined kaolin, 50 parts of 800 wollastonite powder, 60 parts of natural barium sulfate powder, and 2 parts of organic silicon defoamer , 250 parts of silicon acrylic emulsion, 130 parts of elastic pure acrylic emulsion, 2 parts of polyurethane polymer compound aqueous solution thickener are put into above-mentioned reaction liquid and react together, obtain pale yellow emulsion;

[003...

Embodiment 3

[0033] (1) The parts by weight are 300 parts of water, 2 parts of carboxyethyl cellulose, 2 parts of 5-chloro-2-methyl-4-isothiazolin-3-one, 3 parts of 5040 dispersant, 3 parts of 5027 dispersant 7 parts, 3 parts of octylphenol polyoxyethylene ether, 4 parts of mineral oil defoamer, after mixing, put them into the reaction kettle at one time, add sodium bicarbonate dropwise, and adjust the pH to 8;

[0034] (2) parts by weight are 15 parts of propylene glycol, 10 parts of propylene glycol butyl ether, 200 parts of titanium dioxide, 30 parts of calcined kaolin, 60 parts of 800 wollastonite powder, 80 parts of natural barium sulfate powder, 4 parts of mineral oil defoamer, 300 parts of silicon-acrylic emulsion, 200 parts of elastic pure acrylic emulsion, and 3 parts of non-ionic associative polyurethane thickener are put into the above reaction solution to react together to obtain a milky white emulsion;

[0035] (3) Add 80 parts by weight of glass microbead powder to the above-...

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Abstract

The invention discloses a special paint for an external thermal insulation system of an outer wall, which is characterized by comprising the following steps: 1) mixing 100-300 parts of water, 0.5-2 parts of carboxyethyl cellulose, preservatives, dispersing agents, wetting agents and antifoaming agents; adding the whole mixture in an agitated reactor once; and regulating pH value to be 6-8; 2) adding 8-15 parts of propylene glycol, 150-200 parts of titanium white, 20-30 parts of calcinedkaolin, 40-60 parts of 800 wollastonite in powder, 50-80 parts of natural blanc fixe, 200-300 parts of silicone acrylic emulsion, 100-200 parts of flexible pure acrylic emulsion, coalescent, antifoaming agents and thickening agent to the reaction solution in step 1) for further reaction to obtain faint yellow or oyster white milk; and 3) adding 60-80 parts of glass microsphere powder into the faint yellow or oyster white milk, rotating at speed of 200-300rpm for 5-10min to obtain finished products. The invention greatly reduces proportion of heat transferring to inside the wall and has sound effects of crack resistance, thermal insulation and heat preservation.

Description

technical field [0001] The invention relates to an exterior wall thermal insulation coating, in particular to a special coating for an external thermal insulation system of an exterior wall. Background technique [0002] Building energy conservation is the main content of implementing the national environmental protection and energy conservation policies, and is an important part of implementing the sustainable development of the national economy. In 1995, the Ministry of Construction promulgated the "Rules for the Implementation of Urban Building Energy Conservation" and other documents, and listed the "Civil Building Energy Conservation Design Standard <Heating Residential Buildings Part>" JGJ26-95 as a mandatory standard. On the 1st, Decree No. 76 "Regulations on the Administration of Energy Conservation of Civil Buildings" was issued, and the construction of projects that do not meet energy conservation standards shall not be approved. Under the guidance of such a...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D7/12
Inventor 李玉海王月娥王振锋闵春临奚燕峰
Owner SHANGHAI YUNNI NEW MATERIALS
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