CN104530885A - Infrared blocking type heat insulation and preservation coating - Google Patents

Abstract

The invention discloses an infrared blocking type heat insulation and preservation coating. Raw material components of the infrared blocking type heat insulation and preservation coating comprise, by weight, 30-40 parts of compound latex, 15-20 parts of pure water, 1-2.5 parts of propylene glycol, 0.5-1.5 parts of ethanediol, 0.5-1.5 parts of alcohol ester-12, 10-20 parts of titanium dioxide, two to three parts of kaolin, 0.5-1 part of flatting agent, 1-2 parts of thickeners, 0.1-1 part of wetting agent, 0.1-1 part of ammonia water, five to eight parts of aluminum hydroxide, three parts of fumed silica, two parts of mica powder, three parts of barium sulfate, five to seven parts of zinc oxide and five to eight parts of magnesium chloride. The coating is obtained through mixing, grinding and filtering. The construction method is simple, the coating is environmentally friendly and free of pollution to environment, due to the fact that various kinds of metal and non-metal powder are added, the coating has the good emitting and reflecting functions even though the coating has colors, sunlight and near infrared light can be effectively blocked, meanwhile, intermediate infrared light and far infrared light can be effectively blocked, and the good heat insulation and preservation effect is achieved.

Description

Infrared barrier type heat insulating coatings

Technical field

The present invention relates to construction material field of energy-saving technology, specifically a kind of infrared barrier type heat insulating coatings increased on the basis of traditional aqueous architectural coating the isolated function of heat (infrared light).

Background technology

The power-saving technology of the masonry wall structure in the whole nation is continually developed, thermal insulating coating developed increasingly in recent years, the existing standard of current country and full-fledged product are all named as architectural reflective heat-insulation paint, this product mainly has iris action to the near infrareds such as sunlight and ultraviolet, and evening is just inoperative.Therefore just effectively thermal insulation function can not be played.

Summary of the invention

The one that the object of the invention is to provide for the deficiencies in the prior art not only can intercept near infrared light, and in effectively intercepting, the infrared barrier type heat insulating coatings of far red light, the heat-insulation and heat-preservation paint of the similar spacecraft of this coating and undersea boat, and heat-insulation and heat-preservation paint is solvent reducible coatings, the present invention is water-borne coatings.

Implementing the concrete technical scheme of the object of the invention is:

A kind of infrared barrier type heat insulating coatings, feature is by weight, and its feed composition comprises:

Synthetic emulsion 30-40 parts,

Pure water 15-20 parts,

Propylene glycol 1-2.5 parts,

Ethylene glycol 0.5-1.5 parts,

0.5-1.5 parts, alcohol ester-12,

Titanium dioxide 10-20 parts,

Kaolin 2-3 parts,

Flow agent 0.5-1 part,

Thickening material 1-2 parts,

Wetting agent 0.1-1 part,

Ammoniacal liquor 0.1-1 part,

5-8 parts, aluminium hydroxide,

Aerosil 3 parts,

Mica powder 2 parts,

3 parts, barium sulfate,

5-7 parts, zinc oxide,

5-8 parts, magnesium chloride;

Described infrared barrier type heat insulating coatings adopts the method comprised the following steps to obtain:

I) get 1/3 of pure water total amount by proportioning and with Sodium hexametaphosphate 99, water is arranged, aluminium hydroxide, aerosil, mica powder, barium sulfate, zinc oxide and magnesium chloride is put into by the water of proportioning after arrangement, after putting into Natvosol again, move in non-metallic container, with Ceramic Balls grinding 20-22 hour in non-metallic container, obtained oyster white thin pulp is for subsequent use; Wherein, Sodium hexametaphosphate 99 consumption is arrange the water yield 1 ~ 2%; The add-on of Natvosol is arrange the water yield 2 ~ 3%;

II) in stirred autoclave, add the residual content of pure water total amount, propylene glycol, ethylene glycol, alcohol ester-12, titanium dioxide, kaolin, flow agent, thickening material, wetting agent and ammoniacal liquor by proportioning, stir 2 hours, obtained mixture, injects high speed dispersor and disperses 2 hours;

III) mixture of dispersion machine is re-injected stirred autoclave, add synthetic emulsion and step I) obtained oyster white thin pulp mix and blend injects filter after 1 hour, filling machine, barrelling obtains described infrared barrier type heat insulating coatings.

Described synthetic emulsion is pure acrylic latex or silica acrylic acid emulsion.

Constructional method of the present invention is simple, environmental protection environmentally safe, owing to the addition of various metal and non-metal powder, even if be coated with material strip color also there is well transmitting and reflex action, not only can effectively intercept sunlight and near infrared light, infrared and far red light in simultaneously also effectively intercepting, reaches good heat insulation and preservation effect.

Embodiment

Embodiment 1 (each component is with parts by weight)

I) 6 parts of use, the 0.12 part of Sodium hexametaphosphate 99 got in pure water 18 parts arranges it, 6 parts, aluminium hydroxide, aerosil 3 parts, mica powder 2 parts, 3 parts, barium sulfate, 6 parts, zinc oxide and 7 parts, magnesium chloride is put in water after arrangement, after putting into Natvosol 0.15 part again, move to ceramic jar, if ceramic jar internal volume is 50L, then in ceramic jar, grind 20 hours by the Ceramic Balls that diameter is 38mm, obtained oyster white thin pulp is for subsequent use;

II) in stirred autoclave, add pure water 12 parts, propylene glycol 2 parts, ethylene glycol 1 part, alcohol ester-12 1 part, titanium dioxide 12 parts, kaolin 2.5 parts, flow agent 0.5 part, thickening material 1 part, wetting agent 0.5 part and ammoniacal liquor 0.5 part, stir 2 hours, obtained mixture, injects high speed dispersor by obtained mixture and disperses 2 hours;

III) mixture of dispersion machine is re-injected stirred autoclave, add synthetic emulsion 35 parts and step I) obtained oyster white thin pulp mix and blend injects filter after 1 hour, filling machine, barrelling obtains described infrared barrier type heat insulating coatings.

The coating that Example 1 is obtained, be coated on outdoor wall (thickness≤0.5mm), in holding chamber with the outdoor temperature difference at about 50 DEG C, adopt " Residential Buildings Energy examination criteria " JGJ/T 132-2009 method to carry out field measurement, record the heat transfer coefficient of body of wall at 0.12-0.15; And common coating is under same test environment, record the heat transfer coefficient of body of wall at 0.35-0.37; Can find out, the present invention effectively reduces the heat transfer coefficient of body of wall, plays excellent function of heat insulation.

Claims (2)

1. an infrared barrier type heat insulating coatings, is characterized in that by weight, and its feed composition comprises:

Synthetic emulsion 30-40 parts,

Pure water 15-20 parts,

Propylene glycol 1-2.5 parts,

Ethylene glycol 0.5-1.5 parts,

Alcohol ester-12 0.5-1.5 parts,

Titanium dioxide 10-20 parts,

Kaolin 2-3 parts,

Flow agent 0.5-1 part,

Thickening material 1-2 parts,

Wetting agent 0.1-1 part,

Ammoniacal liquor 0.1-1 part,

5-8 parts, aluminium hydroxide,

Aerosil 3 parts,

Mica powder 2 parts,

3 parts, barium sulfate,

5-7 parts, zinc oxide,

5-8 parts, magnesium chloride;

Described infrared barrier type heat insulating coatings adopts the method comprised the following steps to obtain:

I) get 1/3 of pure water total amount by proportioning and with Sodium hexametaphosphate 99, water is arranged, aluminium hydroxide, aerosil, mica powder, barium sulfate, zinc oxide and magnesium chloride is put into by the water of proportioning after arrangement, after putting into Natvosol again, move in non-metallic container, with Ceramic Balls grinding 20-22 hour in non-metallic container, obtained oyster white thin pulp is for subsequent use; Wherein, Sodium hexametaphosphate 99 consumption is arrange the water yield 1 ~ 2%; The add-on of Natvosol is arrange the water yield 2 ~ 3%;

II) in stirred autoclave, add the residual content of pure water total amount, propylene glycol, ethylene glycol, alcohol ester-12, titanium dioxide, kaolin, flow agent, thickening material, wetting agent and ammoniacal liquor by proportioning, stir 2 hours, obtained mixture, injects high speed dispersor and disperses 2 hours;

III) mixture of dispersion machine is re-injected stirred autoclave, add synthetic emulsion and step I) obtained oyster white thin pulp mix and blend injects filter after 1 hour, filling machine, barrelling obtains described infrared barrier type heat insulating coatings.

2. infrared barrier type heat insulating coatings according to claim 1, is characterized in that described synthetic emulsion is pure acrylic latex or silica acrylic acid emulsion.