Unlock instant, AI-driven research and patent intelligence for your innovation.

Preparation method of mesoporous composite material and high-temperature-resisting thermal insulating material prepared by preparation method

A technology of composite materials and mesoporous materials, applied in the field of materials, can solve problems such as the inability to meet the thermal insulation environment and thermal insulation requirements

Inactive Publication Date: 2017-05-24
SUZHOU WANNA NEW MATERIAL TECH
View PDF5 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing heat insulation materials are being continuously improved, due to the rapid development of society, they still cannot meet the increasingly stringent heat insulation environment and heat insulation requirements. Therefore, the improvement of the performance of heat insulation materials is still the basic A research hotspot in the field

Method used

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
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method of mesoporous composite material and high-temperature-resisting thermal insulating material prepared by preparation method
  • Preparation method of mesoporous composite material and high-temperature-resisting thermal insulating material prepared by preparation method

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0044] Preparation method of mesoporous composite material

[0045] One aspect of the present invention provides a method for preparing a mesoporous composite material, comprising the following steps: mixing the mesoporous material with fibers and / or fiber products, and heat-treating to prepare the mesoporous composite material, the mesoporous material is composed of Silicon mesoporous material.

[0046] In the preparation method of mesoporous composite materials provided by the present invention, the heat treatment usually refers to controlling the temperature of the reaction system at 25-50°C, 50-100°C, 100-150°C, 150-200°C, 200-250°C , 250-300°C, 300-350°C, 350-400°C, 400-450°C, 450-500°C, 500-550°C, 550-600°C, 600-650°C, 650-700°C, 700-750°C , 750-800°C, 800-850°C, 850-900°C, 900-950°C, or 950-1000°C. There is no particular limitation on the manner of adjusting the temperature of the reaction system, as long as it does not limit the purpose of the invention. Those skill...

Embodiment 1

[0090] Add tetraethyl orthosilicate (TEOS), cetyltrimethylammonium bromide (CTAB), ammonia water, and deionized water into the reaction vessel, and the molar composition of the mixture is TEOS:CTAB:NH 4 OH:H 2 O=1:0.03:0.25:200; Stir at 60±10°C for 10 hours to obtain a mixed solution, which is treated by filtration and washing to obtain a mesoporous material. Aluminum silicate fiber (apparent density 0.09g / cm 3 , diameter 3μm) (according to the mass ratio of mesoporous material: aluminum silicate fiber = 0.15: 1) soaked in the solution dispersed with mesoporous material, after compounding fully, sintered at 800±20°C for 4h, and finally obtained Si-O-Si Mesoporous composite insulation materials. The obtained mesoporous material has a pore volume of 0.18ml / g, a pore diameter of 6.4nm, a pore wall of 2.9nm, and a porosity of 37.27%. The Si-O-Si bond is detected by a Fourier transform infrared spectrometer (FTIR), and the FTIR analysis shows that, The Si-O-Si bond of uncomposit...

Embodiment 2

[0092] SiO 2 、Na 2 O, cetyltrimethylammonium chloride (CTAC), HCl, deionized water are added to the reaction vessel, the molar composition of the mixture is SiO 2 : Na 2 O:CTAC:HCl:H 2 O=1: 0.33: 0.25: 0.8: 100; Stir at 80±10°C for 12 hours to obtain a mixed solution, filter, wash and other methods to obtain a mesoporous material. Aluminum silicate fiber (apparent density 0.09g / cm 3 , diameter 3μm) (according to the mass ratio of mesoporous material: aluminum silicate fiber = 0.15:1) soaked in the solution dispersed with mesoporous material, sintered at 600±10°C for 5h after compounding fully, and finally obtained Si-O-Si Mesoporous composite insulation materials. The obtained mesoporous material has a pore volume of 0.21ml / g, a pore diameter of 5.8nm, a pore wall of 1.5nm, and a porosity of 40.94%. The Si-O-Si bond is detected by a Fourier transform infrared spectrometer (FTIR), and the FTIR analysis shows that, The Si-O-Si bond of uncomposited silicon-based mesoporous ...

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

PUM

PropertyMeasurementUnit
Apertureaaaaaaaaaa
Hole wallaaaaaaaaaa
Densityaaaaaaaaaa
Login to View More

Abstract

The invention relates to the field of materials, in particular to a preparation method of a mesoporous composite material and a high-temperature-resisting thermal insulating material prepared through the preparation method. The invention provides the preparation method of the mesoporous composite material. The preparation method comprises the following steps: carrying out mixing and thermal treatment on a mesoporous material, fibers and fiber products to obtain the mesoporous composite material, wherein the mesoporous composite material is a silicon-containing mesoporous material. A mesoporous composite thermal insulating material compounded by -Si-O-Si- bonds is prepared by the preparation method of the mesoporous composite material, provided by the invention, and has good heat-resistant stability and low heat conductivity coefficient at high temperature; moreover, a composite structure of the composite material is kept stable under high temperature, so that the composite structure has a good industrial prospect.

Description

technical field [0001] The invention relates to the field of materials, in particular to a method for preparing a mesoporous composite material and a high-temperature-resistant heat-insulating material obtained by the preparation. Background technique [0002] Thermal insulation is to reduce heat loss, improve energy utilization, and ultimately achieve the goal of energy conservation. The development and progress of thermal insulation materials will help promote the implementation of energy-saving projects, meet the needs of national economic development for energy, and protect the national economy. Building healthy and stable development has great social and economic significance. Therefore, it is necessary to vigorously develop the thermal insulation material industry and widely adopt high-quality thermal insulation materials, which is of great practical significance to the healthy and stable development of economic construction. For now, traditional heat insulation mater...

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

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C04B30/02C04B38/00C04B111/40
CPCC04B30/02C04B38/0054C04B2111/40C04B2201/32C04B14/4656C04B14/06C04B14/02
Inventor 栾玉成张琼琼
Owner SUZHOU WANNA NEW MATERIAL TECH