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Composition for preparing environment-friendly, air-permeable and porous material

A technology of porous materials and compositions, applied in the field of foam materials, can solve the problems of insufficient adsorption and filtration performance of materials, small specific surface area of ​​materials, complicated manufacturing processes, etc., and achieve easy control, low temperature control requirements, and simple production processes. Effect

Inactive Publication Date: 2016-04-13
CHANGZHOU U SHENG ELECTRONICS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The control of the internal pore size of the material by the above method mainly depends on the comprehensive and precise control of temperature, material ratio, pressure and gravity, and the process is relatively complicated.
Ordinary fluid filter materials such as activated carbon are also generally designed with a filter mesh structure. Due to structural reasons, the specific surface area of ​​the material is small, and the adsorption and filtration performance of the material cannot be fully exerted.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Weigh 1 part of lime (200-500 mesh), 5 parts of clay (200-500 mesh), 2 parts of activated alumina (200-500 mesh), 1 part of molecular sieve (500-1300 mesh), ABS large particle (0.2 ~0.3mm) 1.5 parts, PET small particles (0.1~0.2mm) 1.5 parts and PEG glue 1 part, add curing agent and functional materials to the mixer, stir for 30 minutes to make the stirring evenly; add other raw materials, stir for 30 minutes Make it into a uniform powder, and add 15% ethanol of solid raw material gross mass on the uniformly mixed raw material;

[0033] Use a mold to cold-press the mixed raw materials into the desired shape to make a semi-finished product; put the formed semi-finished product on a tray into an oven or a drying tunnel to completely dry the product at a temperature of 80°C for 2 hours;

[0034] Sinter the dried semi-finished products into finished products:

[0035] A. Make the solid pore-forming agent component in the material sublimate and decompose, the temperature is...

Embodiment 2

[0040] Weigh 1 part of lime (200-500 mesh), 6 parts of clay (200-500 mesh), 1 part of activated titanium oxide (200-500 mesh), 2 parts of molecular sieve (500-1300 mesh), ABS large particles (0.2 ~0.3mm) 1.5 parts, ABS small particles (0.1~0.2mm) 1.5 parts and PEG glue 1 part, add curing agent and functional materials to the mixer, stir for 30 minutes to make the stirring evenly; add other raw materials, stir for 30 minutes Make it into a uniform powder, and add water with a solid mass of 20% on the uniformly mixed raw material;

[0041] Use a mold to cold-press the mixed raw materials into the desired shape to make a semi-finished product; put the formed semi-finished product on a tray into an oven or a drying tunnel to completely dry the product at a temperature of 80°C for 2 hours;

[0042] Sinter the dried semi-finished products into finished products:

[0043] A. Sublimate and decompose the solid pore-forming agent component in the material; heat for 1.5 hours at a tempe...

Embodiment 3

[0048] Weigh 1 part of lime (200-500 mesh), 5 parts of clay (200-500 mesh), 2 parts of nickel oxide (200-500 mesh), 2 parts of molecular sieve (500-1300 mesh), ABS large particles (0.2-500 mesh) 0.3mm) 2 parts, PE small particles (0.1 ~ 0.2mm) 2 parts and PEG glue 1 part, add curing agent and functional materials to the mixer, stir for 30 minutes to make the stirring evenly; add other raw materials, stir for 30 minutes to make Become a uniform powder, add 20% ethanol of solid raw material gross mass on the uniformly mixed raw material;

[0049] Use a mold to cold-press the mixed raw materials into the desired shape to make a semi-finished product; put the formed semi-finished product on a tray into an oven or a drying tunnel to completely dry the product at a temperature of 80°C for 2 hours;

[0050] Sinter the dried semi-finished products into finished products:

[0051] A. Sublimation and decomposition of solid pore-forming agent components in the material; heating at 400°C...

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PUM

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Abstract

The invention belongs to the technical field of foam materials and particularly relates to a composition for preparing an environment-friendly, air-permeable and porous material. The composition contains the following ingredients: 3-8 parts of curing agent, 1-7 parts of functional material, 2-5 parts of solid pore former and 0-2 parts of decomposable solid glue. The invention also provides a method for preparing the environment-friendly, air-permeable and porous material. The composition and the method have the beneficial effects that the size of pores of the material is relatively simple to control, ideal sizes and shapes for big and small pores can be obtained through controlling the size and shape of the solid pore former, the connectivity of the big and small pores of the material is good, and thus, the exertion of properties of the material is facilitated.

Description

technical field [0001] The invention belongs to the technical field of foaming materials, and in particular relates to a composition for preparing environment-friendly and breathable porous materials. Background technique [0002] Foaming material is a widely used porous structure material, which is widely used in various industries that are closely related to us. Over the years, domestic foaming materials have developed at a rate of 20%, and the output and application fields have continued to expand. In recent years, due to environmental pollution, foaming materials have become more and more widely used in fluid filtration fields such as air filtration and water filtration. In addition, in the field of acoustic wave filtration, foaming materials have become more and more widely used in recent years. [0003] Most of the existing foaming materials on the market are balanced foaming, such as sponge, foaming cement, etc. These foaming materials are generally obtained by relat...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L55/02C08L23/12C08L23/06C08L71/08C08K3/22C08K3/34C08J9/26
Inventor 潘丽君谢布谷
Owner CHANGZHOU U SHENG ELECTRONICS LTD
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