Fiber composite carbon aerogel material and preparation method thereof

A technology of fiber composite and carbon aerogel, which is applied in the preparation of high temperature resistant aerogel composite materials by using inorganic fiber materials composited with carbon aerogel, and in the field of airgel composite material preparation, which can solve the problem of inability to prepare 1000°C resistant The above high-temperature airgel insulation composite materials and other problems can achieve good mechanical strength and process performance, good high temperature resistance, and good formability.
CN101698591AActive Publication Date: 2010-04-28海鹰空天材料研究院(苏州)有限责任公司
1 Cites 42 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
海鹰空天材料研究院(苏州)有限责任公司
Publication Date
2010-04-28

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides a fiber composite carbon aerogel material which comprises carbon aerogel and an inorganic fiber material, wherein the mass ratio of the carbon element to the inorganic fiber material in the carbon aerogel is 1:1-300. The invention also provides a method for preparing the fiber composite carbon aerogel material, which comprises the following steps: preparation of phenolic aldehyde solution, preparation of fiber composite phenolic aldehyde gel, aging of the fiber composite phenolic aldehyde gel, drying of supercritical fluid, reaction in an atmosphere cracking furnace, and the like. The fiber composite carbon aerogel material has the advantages of favorable moldability, good high temperature resistance, outstanding high-temperature heat-insulating property, low density and high compressive resistance; and the fiber composite carbon aerogel material can conduct electricity, be used as a catalyst carrier material, electrode material or high-temperature heat-insulating material, meet the special requirements for aviation, spaceflight, military affairs and other aspects, and be used in the civil field having high requirements for high-temperature heat-insulating property.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the technical field of material preparation technology, and relates to a method for preparing an airgel composite material, in particular to a method for preparing a high-temperature-resistant (≥1000°C) airgel composite material by using an inorganic fiber material composited with carbon aerogel . Background technique

[0002] Airgel is a lightweight solid material with a nanoscale porous network structure. It has the characteristics of extremely low density, high specific surface area and high porosity. It has broad application prospects in adsorption, catalysis and impedance coupling, especially in It has obvious advantages in the field of thermal insulation materials and is called "super thermal insulation materials". Airgel materials include organic aerogels and inorganic aerogels (such as carbon aerogels), among which carbon aerogels have the best high temperature resistance.

[0003] Due to the chemical composition char...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More