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Styrene foam particle-magnesium oxychloride cement composite heat insulation material and preparation method thereof

A composite thermal insulation material and magnesium oxychloride cement technology are applied in the field of organic-inorganic composite thermal insulation materials, and can solve the problems of occupying land resources, ineffective treatment of industrial waste residues, and environmental pollution.

Active Publication Date: 2014-12-17
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, a large amount of industrial waste such as fly ash, slag, and silica fume in our country cannot be effectively treated, occupying a large amount of land resources and seriously polluting the surrounding environment.

Method used

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  • Styrene foam particle-magnesium oxychloride cement composite heat insulation material and preparation method thereof
  • Styrene foam particle-magnesium oxychloride cement composite heat insulation material and preparation method thereof
  • Styrene foam particle-magnesium oxychloride cement composite heat insulation material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026]

[0027]

[0028] Its performance is measured as follows:

[0029] Dry density is 240kg / m 3 , the compressive strength is 0.40MPa, and the thermal conductivity is 0.064W / (m·K).

Embodiment 2

[0031]

[0032] Its performance is measured as follows:

[0033] The dry density is 312kg / m 3 , the compressive strength is 0.8MPa, and the thermal conductivity is 0.087W / (m·K).

Embodiment 3

[0035]

[0036] Its performance is measured as follows:

[0037] Dry density is 215kg / m 3 , the compressive strength is 0.33MPa, and the thermal conductivity is 0.062W / (m·K).

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Abstract

The invention discloses a polystyrene foam particle-magnesium oxychloride cement composite heat insulation material and a preparation method thereof. The EPS (expanded polystyrene) particle-magnesium oxychloride cement composite heat insulation material is a novel lightweight organic-inorganic composite heat insulation material which is prepared by steps of firstly foaming magnesium oxychloride cement, industrial waste slag, EPS particles, PPF (polypropylene fiber) fiber, a foaming agent and water by using a slurry body of a cementing material of the magnesium oxychloride cement and further mixing with the EPS particles. The EPS particle-magnesium oxychloride cement composite heat insulation material comprises the following components in percentage by weight: 49.81-52.13% of magnesium oxychloride cement, 16.76-17.52% of industrial waste slag, 1.83-5.61% of EPS particles, 0.37-0.81% of PPF fiber, 0-0.21% of foaming agent and 26.89-28.10% of water. The EPS particle-magnesium oxychloride cement composite heat insulation material disclosed by the invention has the prominent features of low price, good heat insulation performance, energy conservation, waste recycling, environmental friendliness and the like.

Description

technical field [0001] The invention relates to a novel lightweight, organic-inorganic composite thermal insulation material prepared by using polystyrene foam (EPS) particles, magnesium oxychloride cement, industrial waste residue and foaming agent. Specifically, it is an organic-inorganic composite thermal insulation material prepared by combining EPS particles with a gelled material matrix obtained by foaming technology. Mainly used in building energy saving, wall insulation and other fields. Background technique [0002] The construction industry is a pillar industry in my country, and building energy consumption accounts for about 1 / 3 of the total energy consumption of the society. With the acceleration of urbanization and the improvement of people's living quality, the total energy consumption of buildings in my country is increasing year by year, and the high energy consumption of buildings intensifies the energy consumption. The crisis has become the weakness of my c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/02C04B28/32
Inventor 张云升张国荣李司晨
Owner SOUTHEAST UNIV
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