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Foamed coal ash organic polymer modified heat-preservation material as well as preparation and application thereof

A technology of thermal insulation material and fly ash, which is applied in the field of building thermal insulation materials, can solve the problems of restricting foamed geopolymers, etc., achieve small thermal weight loss, good flexibility and mechanical properties, and improve the effect of waterproofing

Active Publication Date: 2018-11-06
江苏省苏安能节能建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These problems limit the use of foamed geopolymers as wall insulation materials to a certain extent

Method used

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  • Foamed coal ash organic polymer modified heat-preservation material as well as preparation and application thereof
  • Foamed coal ash organic polymer modified heat-preservation material as well as preparation and application thereof
  • Foamed coal ash organic polymer modified heat-preservation material as well as preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1 Preparation of foamed fly ash organic polymer modified thermal insulation material

[0025] Raw material composition: 70 parts of fly ash, 40 parts of butyl rubber, 20 parts of silane coupling agent, 2 parts of carbon black, 3 parts of calcium carbonate, 2 parts of low-temperature glass powder, 4 parts of montmorillonite, 4 parts of magnesium oxide, ten 3 parts of hexaalkyltrimethylammonium chloride, 7 parts of fatty alcohol polyoxyethylene ether, 5 parts of silicon carbide and 1 part of nano silicon dioxide;

[0026] Preparation:

[0027] Step 1. Pour butyl rubber, cetyltrimethylammonium chloride, fatty alcohol polyoxyethylene ether, silicon carbide, nano silicon dioxide and water into a high-speed mixer for mixing, discharge at 90°C, and set aside;

[0028] Step 2. Weigh the fly ash in proportion, add silicon carbide and calcium carbonate and pour them into the reaction kettle evenly with mechanical stirring, mechanically stir at 500r / min, ultrasonicate in ...

Embodiment 2

[0030] Example 2 Preparation of foamed fly ash organic polymer modified thermal insulation material

[0031] Raw material composition: 90 parts of fly ash, 60 parts of butyl rubber, 40 parts of silane coupling agent, 15 parts of graphite, 3 parts of aluminum hydroxide, 12 parts of mica powder, 12 parts of kaolin, 6 parts of hexadecyl pyridinium bromide 26 parts, 26 parts of fatty amine polyoxyethylene ether, 15 parts of silicon carbide and 10 parts of nano silicon dioxide;

[0032] Preparation:

[0033] Step 1. Pour butyl rubber, cetyl pyridinium bromide, fatty amine polyoxyethylene ether, silicon carbide, nano silicon dioxide and water into a high-speed mixer for mixing, discharge at 90°C, and set aside;

[0034] Step 2. Weigh the fly ash in proportion, add graphite and stir evenly into the reaction kettle with mechanical stirring, mechanically stir at 500r / min, ultrasonicate in a water bath at 60°C for 30min, add the emulsion prepared in step 1 and aluminum hydroxide, Mica...

Embodiment 3

[0036] Example 3 Preparation of foamed fly ash organic polymer modified thermal insulation material

[0037] Raw material composition: 80 parts of fly ash, 50 parts of butyl rubber, 30 parts of silane coupling agent, 10 parts of water glass, 3 parts of aluminum hydroxide, 9 parts of diatomaceous earth, 10 parts of aluminum oxide, hexadecyl trimethyl 5 parts of ammonium chloride, 15 parts of block polyoxyethylene-polyoxypropylene ether, 10 parts of silicon carbide and 5 parts of nano silicon dioxide;

[0038] Preparation:

[0039] Step 1. Pour butyl rubber, cetyltrimethylammonium chloride, block polyoxyethylene-polyoxypropylene ether, silicon carbide, nano-silica and water into a high-speed mixer for mixing, and leave at 90°C material, spare;

[0040]Step 2. Weigh the fly ash in proportion, add water glass and stir evenly into the reaction kettle with mechanical stirring, mechanically stir at 500r / min, ultrasonicate in a water bath at 60°C for 30min, add the emulsion prepared...

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Abstract

The invention relates to a foamed coal ash organic polymer modified heat-preservation material which has a heat conduction coefficient of 0.03-0.04W / (m*K) and comprises the following raw materials: coal ash, butyl rubber, a coupling agent, a foaming agent, porcelainization powder, an emulsifier, silicon carbide and nano silica, wherein the emulsifier is a quaternary ammonium salt cationic emulsifier or a composite emulsifier of nonionic emulsifiers; the coupling agent is a silane coupling agent with double bonds; the foaming agent is selected from one of carbon black, silicon carbide, calciumcarbonate, dolomite dust, phlogopite, graphite, manganese dioxide, sodium silicate, trichlorofluoromethane, dichlorodifluoromethane, dichlorotetrafluoroethane, lauryl sodium sulfate and fatty alcohol-polyoxyethylene ether sodium sulfate; the porcelainization powder comprises low-temperature porcelainization powder, medium-temperature porcelainization powder and high-temperature porcelainization powder. The foamed coal ash organic polymer modified heat-preservation material provided by the invention has good flexibility and mechanical properties, and in addition has very good water resistance and seepage prevention performance.

Description

technical field [0001] The invention relates to the technical field of building thermal insulation materials, in particular to a foamed fly ash organic polymer modified thermal insulation material. Background technique [0002] Foamed geopolymers are represented by fly ash-based foamed geopolymers. Fly ash is one of the main industrial solid wastes in my country. With the rapid development of the power industry, the total amount of fly ash discharged by coal-fired thermal power plants is increasing year by year. With the strengthening of the utilization of fly ash, the research on fly ash-based mineral polymers has been paid more and more attention by researchers from various countries. [0003] Fly ash-based foam mineral polymers have the advantages of energy saving, environmental protection, waste utilization, and construction cost reduction. Foaming geopolymers with different bulk densities can be prepared by using fly ash as raw material, exciting it with alkaline acti...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B38/10
CPCC04B28/006C04B2111/00008C04B2201/20C04B2201/32C04B2201/50C04B18/08C04B24/2611C04B24/42C04B14/022C04B14/28C04B14/22C04B14/104C04B22/066C04B24/121C04B24/32C04B14/324C04B14/06C04B38/10
Inventor 陆洪彬周锦峰赵坛祥
Owner 江苏省苏安能节能建材科技有限公司
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