Composition for preparing inorganic polymer material and method for preparing material

An inorganic polymer and composition technology, which is applied to the preparation of the above-mentioned inorganic polymer materials and the field of the composition of inorganic polymer materials, can solve the problems of energy consumption, strength reduction, inability to maintain supporting or protective effects, etc., and achieve excellent Good fire resistance and compressive performance

Active Publication Date: 2022-04-08
上海百奥恒新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the ordinary cement-based materials currently used meet certain requirements in terms of strength, their strength will be drastically reduced after being heated, and the original supporting or protective effect cannot be maintained, and its production and use cause a large amount of energy consumption and carbon dioxide emissions.

Method used

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  • Composition for preparing inorganic polymer material and method for preparing material
  • Composition for preparing inorganic polymer material and method for preparing material

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preparation example Construction

[0040] In a second aspect, the present invention provides a method for preparing an inorganic polymer material, comprising the following steps:

[0041] (1) Mixing silicon-aluminum raw materials, crystallization enhancers, soluble alkali metal compounds and water to prepare a gel material;

[0042] mixing the foaming agent with water to generate foam and then mixing with the above-mentioned gel material to obtain a mixed material;

[0043] (2) Pour the mixed material in step (1) into a mold, solidify, demould, and maintain to obtain the inorganic polymer material;

[0044] Wherein, based on the total amount of silicon-aluminum raw material, crystallization enhancer, soluble alkali metal compound and foaming agent, the amount of aluminum-silicon raw material is 73.6-91.9% by weight, and the amount of crystallization enhancer is 4-17% % by weight, the amount of the soluble alkali metal compound is 4-9% by weight, the amount of the foaming agent is 0.1-0.4% by weight, the amount...

Embodiment 1

[0054] (1) the F class fly ash (calcium oxide content is less than 10% by weight) of 158kg, the mullite whisker of 16kg and 20.4kg mass percent are 10% sodium hydroxide aqueous solution stirring and mixing, add 34kg modulus and be 2, The mass percent is 30% water glass solution and 20kg of water, stirred for 10 minutes to prepare a gel material;

[0055] Add 8.5kg of water and 0.2kg of vegetable protein foaming agent into the air pressure foam generator to generate foam; then mix the foam with the gel material and stir for 1 minute to obtain the mixed material;

[0056] (2) Pour the mixed material in step (1) into a mold, cure it at 40°C and RH=100% for 24 hours, then demould it, and then maintain it at 40°C for 27 days to obtain the inorganic polymer material. Measure its dry density volume, compressive strength, flexural strength and thermal conductivity.

[0057] (3) Measure the dry density volume, compressive strength, flexural strength and thermal conductivity after hig...

Embodiment 2

[0059] (1) the F class fly ash (calcium oxide content is less than 10% by weight) of 130kg, the mullite powder of 30kg and 53kg mass percent are 30% sodium hydroxide aqueous solution stirring and mixing, add the water of 4.8kg, stir 10 minutes, Prepare the gel material;

[0060] Add 15.6kg of water and 0.4kg of composite protein foaming agent into the air pressure foam generator to generate foam; then mix the foam with the gel material and stir for 1 minute to obtain the mixed material;

[0061] (2) Pour the mixed material in step (1) into a mold, cure it at 20°C and RH=100% for 28 hours, then release it, and then maintain it at 20°C for 1 day to obtain the inorganic polymer material. Measure its dry density volume, compressive strength, flexural strength and thermal conductivity.

[0062] (3) Measure the dry density volume, compressive strength, flexural strength and thermal conductivity after high temperature treatment at 700°C for 3 hours.

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Abstract

The invention relates to the field of building materials, and discloses a composition for preparing inorganic polymer materials. Based on the total weight of the composition, the composition contains 73.6-91.9% by weight of aluminum-silicon raw materials, 4-17 % by weight crystallization enhancer, 4-9% by weight soluble alkali metal compound and 0.1-0.4% by weight blowing agent. The invention also discloses a preparation method of the inorganic polymer material based on the composition. The inorganic polymer material prepared by the composition is relatively low in production cost, and has better compression resistance after high-temperature treatment; at the same time, it has better strength performance, fire resistance performance and heat preservation performance, no harmful gas is generated during high-temperature heating, and no powder change.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a composition for preparing inorganic polymer materials. In addition, the invention also discloses a preparation method of the above-mentioned inorganic polymer material. Background technique [0002] With the emphasis on the resource and energy utilization efficiency of buildings, more and more attention has been paid to green and environmentally friendly heat insulation and fireproof materials. At present, various fireproof materials used in the market have problems of varying degrees in the process of production and use. Although magnesium oxychloride cement has good refractory performance, it needs to be processed by high temperature pressing, which has a long production cycle and low production efficiency; moreover, if magnesium chloride binder is used during use, the metal materials in contact with the material will be corroded and rusted. Small perlite slabs a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B12/00C04B28/00C04B38/10C04B111/52
CPCC04B12/005C04B28/006C04B2201/20C04B2201/32C04B2201/50C04B2111/52C04B18/08C04B14/383C04B22/062C04B12/04C04B24/14C04B38/106C04B14/041C04B14/106C04B14/045
Inventor 张祖华邓毓琳刘翼伟史才军
Owner 上海百奥恒新材料有限公司
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