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Carbon-based composite building wave absorption and heat preservation material and preparation method thereof

A technology of thermal insulation materials and wave-absorbing materials, which is applied to ceramic products, other household appliances, and household appliances, etc. It can solve the problems of high cost, complicated preparation process, and poor construction performance of wave-absorbing building materials, so as to improve the wave-absorbing performance and thermal insulation properties, low cost of raw materials, and low apparent density

Inactive Publication Date: 2013-07-10
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the above-mentioned problems and deficiencies, the present invention primarily solves the problems of high manufacturing cost, complex manufacturing process, poor construction performance and single function of wave-absorbing building materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] The admixture of the material component and its compounding ratio adopted in the present embodiment is as follows:

[0053] Chopped carbon fiber: 1.2kg

[0054] 42.5 grade ordinary Portland cement: 150kg

[0055] Expanded vitrified beads: 1.0m 3

[0056] Redispersible latex powder: 3.0kg

[0057] Hydroxypropyl methylcellulose: 0.9kg

[0058] Wood fiber: 0.6kg

[0059] Polypropylene fiber: 0.6kg

[0060] Saponin nonionic surfactant: 2.5kg

[0061] Lauryl dimethyl amine oxide foam stabilizer: 0.4kg

[0062] Polyether polycarboxylate superplasticizer: 0.45kg

[0063] Silane coupling agent: 0.75kg

[0064] Water: 900kg

[0065] The following steps are used to prepare: a. Stir and mix the above-mentioned ordinary Portland cement, carbon-based wave absorbing agent, redispersible latex powder, hydroxypropyl methylcellulose, wood fiber and polypropylene fiber, and add Partial proportion of water, add high-efficiency water reducer and coupling agent and stir to form a...

Embodiment 2

[0067] The admixture of the material component and its compounding ratio adopted in the present embodiment is as follows:

[0068] Chopped carbon fiber: 0.8kg

[0069] 42.5 grade ordinary Portland cement: 125kg

[0070] Expanded vitrified beads: 1.1m 3

[0071] Redispersible latex powder: 2.5kg

[0072] Hydroxypropyl methylcellulose: 0.75kg

[0073] Wood fiber: 0.5kg

[0074] Polypropylene fiber: 0.5kg

[0075] Saponin nonionic surfactant: 2.0kg

[0076] Lauryl dimethyl amine oxide foam stabilizer: 0.25kg

[0077] Polyether polycarboxylate superplasticizer: 0.3kg

[0078] Silane coupling agent: 0.6kg

[0079] Water: 1000kg

[0080] The specific preparation steps are the same as in Example 1 in this example.

Embodiment 3

[0082] The admixture of the material component and its compounding ratio adopted in the present embodiment is as follows:

[0083] Conductive graphite: 15kg

[0084] 42.5 grade ordinary Portland cement: 150kg

[0085] Expanded vitrified beads: 1.1m 3

[0086] Redispersible latex powder: 3.0kg

[0087] Hydroxypropyl methylcellulose: 0.9kg

[0088] Wood fiber: 0.6kg

[0089] Polypropylene fiber: 0.6kg

[0090] Saponin nonionic surfactant: 3.0kg

[0091] Lauryl dimethyl amine oxide foam stabilizer: 0.6kg

[0092] Polyether polycarboxylate superplasticizer: 0.6kg

[0093] Silane coupling agent: 0.9kg

[0094] Water: 1000kg

[0095] The specific preparation steps are the same as in Example 1 in this example.

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PUM

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Abstract

The invention discloses a carbon-based composite building wave absorption and heat preservation material and a preparation method thereof. According to the preparation method, carbon-based wave absorbing agent, common silicate cement, expanded and vitrified small balls, re-dispersible latex powder, hydroxypropyl methyl cellulose, wood fiber, polypropylene fiber, surfactant, foam stabilizer, waterreducing agent, coupling agent, water and the like are adopted; and the material is obtained by adopting the steps of stirring, pouring molding, curing and the like. The material has the advantages of good wave absorption performance and heat insulation performance, low apparent density, low cost, high fire resistance, durability and the like, and is easy to construct. The material can be used for pouring roofs and walls of buildings, so that aims of electromagnetic radiation protection and energy conservation of the buildings are fulfilled.

Description

technical field [0001] The invention belongs to the technical field of environment-friendly and energy-saving building materials, and in particular relates to a carbon-based wave-absorbing and heat-insulating material with the functions of preventing electromagnetic radiation pollution and saving energy, which is used for building exterior walls and roofs. Background technique [0002] With the development of urban construction and modern science and technology, communication, electronic and electrical equipment not only promote economic and social development, but also greatly change people's life style. At the same time, communication, electronic and electrical equipment generate Electromagnetic radiation and interference problems also affect people's daily life. Electromagnetic wave radiation has become a more harmful and difficult to protect pollution source after water source, atmosphere and noise. The electromagnetic radiation of communication and electrical equipment...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B38/10C04B14/36C04B14/38
Inventor 贾兴文吴洲马英钱觉时张亚杰樊先平张志伟范英儒
Owner CHONGQING UNIV
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