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Aluminium silicate nano composite insulation coating and preparation method thereof

A nano-composite and heat-insulating coating technology, applied in coatings and other directions, can solve problems such as poor heat-insulation effect and complex production process, and achieve the effects of improving heat-insulation properties, simple preparation process, and rich sources of raw materials

Active Publication Date: 2011-01-19
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are also people who add nano-components to improve the quality of coatings. For example, the invention patent No. 03118030.2 uses pure acrylic emulsion as the base material and adds nano-scale zinc oxide, silicon oxide and titanium oxide. Scrub resistance, antibacterial and self-cleaning functions, but the thermal insulation effect is poor, and the production process is more complicated

Method used

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  • Aluminium silicate nano composite insulation coating and preparation method thereof
  • Aluminium silicate nano composite insulation coating and preparation method thereof
  • Aluminium silicate nano composite insulation coating and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Embodiment 1: Determining the mass percentage composition of aluminum silicate nanocomposite thermal insulation coating is as follows: nano aluminum silicate 15%, vinegar acrylic emulsion 25%, water 41%, nano silica 6%, nano alumina 3%, nano oxide 3% zinc, 3% nano-titanium oxide, 0.5% film-forming aid, 1% defoamer, 1% wetting and dispersing agent, 1% antifreeze, and 0.5% leveling agent. The preparation process is as follows: Stir water, nano-aluminum silicate, wetting and dispersing agent, and half of the defoamer at high speed for 2 hours under low-speed stirring to fully disperse them, then add other inorganic nano-powders under stirring, and disperse Stir at high speed on the machine for 3 hours, and disperse it evenly by high-speed shearing. Then slowly add the emulsion dropwise at a low stirring speed, then add the remaining defoamer, film-forming aid, antifreeze, and leveling agent and stir for 3 hours at a low speed, and finally pack into a can to obtain the fini...

Embodiment 2

[0026] Embodiment 2: Determining the mass percentage composition of aluminum silicate nano-composite thermal insulation coating is as follows: 20% of nano-aluminum silicate, 25% of styrene-acrylic emulsion, 38% of water, 5% of nano-silica, 2% of nano-alumina, 3% zinc, 3% nano-titanium oxide, 0.5% film-forming aid, 1% defoamer, 1% wetting and dispersing agent, 1% antifreeze, and 0.5% leveling agent. The preparation process is as follows: Stir water, nano-aluminum silicate, wetting and dispersing agent, and half of the defoamer at high speed for 2 hours under low-speed stirring to fully disperse them, then add other inorganic nano-powders under stirring, and disperse Stir at high speed on the machine for 2 hours, and disperse it evenly by high-speed shearing. Then slowly add the emulsion dropwise at a low stirring speed, then add the remaining defoamer, film-forming aid, antifreeze, and leveling agent and stir for 4 hours at a low speed, and finally pack into a can to obtain the...

Embodiment 3

[0027] Example 3: 25% of nano-aluminum silicate, 23% of vinegar-acrylic emulsion, 38% of water, 4% of nano-silica, 2% of nano-alumina, 2% of nano-zinc oxide, 2% of nano-titanium oxide, film-forming aid 0.5%, defoamer 1%, wetting and dispersing agent 1%, antifreeze 1%, leveling agent 0.5%. The preparation process is as follows: Stir water, nano-aluminum silicate, wetting and dispersing agent, and half of the defoamer at high speed for 2 hours under low-speed stirring to fully disperse them, then add other inorganic nano-powders under stirring, and disperse Stir at high speed on the machine for 3 hours, and disperse it evenly by high-speed shearing. Then slowly add the emulsion dropwise at a low stirring speed, then add the remaining defoamer, film-forming aid, antifreeze, and leveling agent and stir for 6 hours at a low speed, and finally pack into a can to obtain the finished coating.

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Abstract

The invention discloses an aluminium silicate nano composite insulation coating and a preparation method thereof. The composite insulation coating comprises the following components of 10 to 40% of nano aluminium silicate, 15 to 30% of vinegar acrylic emulsion or acrylic emulsion, 30 to 50% of water, 2 to 6% of nano silicon dioxide, 2 to 6% of nano aluminum oxide, 2 to 5% of nano zinc oxide, 2 to 5% of nano titanium oxide or titanium white, 0.1 to 2% of film forming assistant, 0.1 to 2% of defoaming agent, 0.1 to 2% of wet dispersing agent, 0.5 to 2% of antifreeze and 0.1 to 2% of flatting agent. The preparation method comprises the following steps of stirring the water, the nano aluminium silicate, the wet dispersing agent and a half of the defoaming agent at high speed in a low speed stirring mode to be fully dispersed; adding other inorganic nano powder in the course of stirring; stirring on a multi-function disperser at high speed; slowly adding the emulsion at low stirring speed; adding the rest defoaming agent, the film forming assistant, the antifreeze and the flatting agent to be stirred at low speed; and finally canning to prepare the finished coating product. The invention can ensure that the surface of building materials is coated with a layer of coating of the thickness lower than 1mm; the heat conductivity coefficient of the building materials coated with the coating is reduced by 0.07 W / m.K when the temperature is 100 DEG C relative to the building materials without the coating.

Description

technical field [0001] The invention belongs to the technical field of thermal insulation material preparation, and in particular relates to an aluminum silicate nanocomposite thermal insulation coating and a preparation method thereof. Background technique [0002] Water-based energy-saving coating is a green coating with low organic volatile content, safe production and construction, non-flammable and non-toxic, in line with the modern development direction of coating technology, and has high social, environmental and economic benefits. Therefore, the promotion and application of water-based energy-saving coatings in equipment and construction is of great significance. Equipment and building energy-saving materials are more and more favored by people because of the advantages of convenient use, good heat insulation effect and economical feasibility. The development prospect is broad, and it is expected to promote the expansion of the coating market and the application fiel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D125/14C09D7/12
Inventor 尹万云金仁才张千峰裴立宅陈均陶新秀乔军
Owner CHINA MCC17 GRP
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