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Inorganic dry powder reflective heat insulating coating

A technology of reflective heat-insulating coating and inorganic dry powder, which is applied in the field of reflective heat-insulating coatings and coatings, can solve problems such as no major breakthroughs, and achieve the effects of easy transportation, universal adaptability, and remarkable effects

Inactive Publication Date: 2015-04-08
SHANGHAI GIANT ENERGY SAVING MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] CN102992727A discloses a reinforced heat-insulating inorganic coating for buildings. It uses calcium silicate with excellent heat-breaking effect as the inorganic filler, plus the inherent heat-insulating effect of the inorganic coating itself and the heat-insulating properties of ceramic microbeads. The heat insulation performance of the coating can be greatly improved, but the present invention only makes relevant research on heat insulation, and there is no major breakthrough in the overall reflective heat insulation inorganic coating;
[0006] CN1179449A discloses a kind of interior and exterior wall inorganic coating, and its raw material is to be made up of calcium hydroxide and magnesium chloride hexahydrate, and has added appropriate amount of filler, then adds a small amount of sodium hexametaphosphate in filler, and finally obtained inorganic coating has non-toxic Harmless, etc., but obviously did not contribute to aspects such as heat-shielding reflections

Method used

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  • Inorganic dry powder reflective heat insulating coating
  • Inorganic dry powder reflective heat insulating coating
  • Inorganic dry powder reflective heat insulating coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] An inorganic dry powder reflective heat-insulating coating, its components and weight ratio include:

[0036]

[0037] Wherein, the inorganic gelling material is a mixture of lime and gypsum;

[0038] Wherein, the redispersible rubber powder is a homopolymer obtained by methacrylate polymerization, and then obtained by drying;

[0039] Wherein, the functional heat insulating material is hollow ceramic microspheres coated with three kinds of nanometer metal oxides: nano-titanium dioxide, nano-tin dioxide and nano-antimony trioxide;

[0040] Wherein, the pigment is titanium dioxide;

[0041] Wherein, the filler is a silicate;

[0042] Wherein, the auxiliary agent is a mixture of dispersant, thickener and anti-cracking agent.

[0043] Application results: the total reflectivity of the finally obtained inorganic dry powder reflective heat insulation coating to sunlight and heat rays can reach 89%.

Embodiment 2

[0045] An inorganic dry powder reflective heat-insulating coating, its components and weight ratio include:

[0046]

[0047]

[0048] Wherein, the inorganic cementitious material is a mixture of cement and gypsum;

[0049] Wherein, the redispersible rubber powder is a mixture of binary copolymer and terpolymer obtained by polymerization of acrylic resin, and then obtained by drying;

[0050] Wherein, the functional heat insulating material is a mixture of sepiolite and vermiculite;

[0051] Wherein, the pigment is a pigment whose main structure is quinacridone;

[0052] Wherein, the filler is a mixture of silicon oxide and metal hydroxide;

[0053] Wherein, the auxiliary agent is a mixture of dispersant, wetting agent, defoamer and anti-cracking agent.

[0054] Application results: the total reflectivity of the finally obtained inorganic dry powder reflective heat insulation coating to sunlight and heat rays can reach 91%.

Embodiment 3

[0056] An inorganic dry powder reflective heat-insulating coating, its components and weight ratio include:

[0057]

[0058] Wherein, the inorganic gelling material is gypsum;

[0059] Wherein, the redispersible rubber powder is a mixture of homopolymers obtained by polymerization of acrylic acid, and then obtained by drying;

[0060] Wherein, the functional heat insulating material is hollow ceramic microspheres coated with nanometer metal oxides of cobalt oxide;

[0061] Wherein, the pigment is a kind of main structure is iron oxide red;

[0062] Wherein, the filler is a mixture of metal hydroxide and metal;

[0063] Wherein, the auxiliary agent is a mixture of dispersant, defoamer and anti-cracking agent.

[0064] Application results: The total reflectance of the finally obtained inorganic dry powder reflective heat insulation coating to sunlight and heat rays can reach 94%.

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Abstract

The invention provides an inorganic dry powder reflective heating insulating coating. The coating is in the form of dry powder and comprises the following components in parts by weight: 50-200 parts of an inorganic cementing material, 30-180 parts of re-dispersible rubber powder, 50-200 parts of a functional heat insulating material, 3-80 parts of a pigment, 50-400 parts of a filler and 0-20 parts of an auxiliary agent. The inorganic dry powder reflective heating insulating coating provided by the invention has excellent reflective illumination and light-heat isolation performances, and can meet related requirements in JC / T1040-2007 Heat Reflection Heat Insulating Coatings for Outer Surfaces of Building, and specifically the total reflectivity to sunlight heat rays is more than 85-90%; and besides, the coating also has good adhesive force, weathering resistance, storage stability and convenience in transportation, and meanwhile cannot generate harmful substances including VOC, benzene, formaldehyde, heavy metals and the like.

Description

technical field [0001] The invention relates to a paint, in particular to a reflective heat-insulating paint, in particular to an inorganic dry powder reflective heat-insulating paint for construction. Background technique [0002] Reflective heat-insulating coating is a new type of cooling coating that integrates reflection, radiation and hollow microsphere heat insulation. It is mainly composed of base material, heat-reflecting pigment, filler and additives. To achieve the purpose of heat insulation. Due to the development of reflective heat-insulating coatings, relevant national departments have also issued standards for reflective heat-insulating coatings (JC / T1040-2007), that is, the solar reflectance is not less than 85%, and the hemispherical emissivity is not less than 83%. [0003] At present, the reflective and heat-insulating coatings used in buildings at home and abroad are mainly organic coatings, such as latex paints that use hollow ceramic beads as reflective...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B28/14C04B28/10
Inventor 戴超敏肖斌陈彦
Owner SHANGHAI GIANT ENERGY SAVING MATERIALS
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