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High-temperature-resistant and low-expansion adhesive sealant for filter cartridge

A bonding and sealing, high temperature resistant technology, applied in non-polymer adhesive additives, adhesives, adhesive additives, etc., to achieve the effect of reducing dosage and curing time difference

Inactive Publication Date: 2017-05-17
XIAMEN ZHONGCHUANG ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the above-mentioned technical problems existing in the application of the existing adhesive sealant in the filter cartridge, and provide a filter cartridge with high temperature resistance, thermal shock resistance, low expansion, acid and alkali resistance, aging resistance and long service life High temperature resistant low expansion adhesive sealant

Method used

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  • High-temperature-resistant and low-expansion adhesive sealant for filter cartridge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The dynamic viscosity at 25°C is 10000mPa·sα, ω-dihydroxypolydimethylsiloxane, polydimethylmethylvinylsiloxane with a molecular weight of 5000 and a vinyl content of 0.30%, and a molecular weight of 20000 with terminal hydroxyl poly( A mixture of methyl 3,3,3-trifluoropropyl) siloxane as the base polymer;

[0020] It is composed of nano-magnesia with an average particle size of 20nm and accounting for 10% of the total powder after high-temperature calcination and dehydration, and barium titanate, manganese oxide and sodium silicate with an average particle size of 4 μm and accounting for 90% of the total powder. mixture as a powder;

[0021] The specific mass ratio of adhesive sealant is:

[0022]

Embodiment 2

[0024] The dynamic viscosity at 25°C is 20000mPa·sα, ω-dihydroxypolydimethylsiloxane, polydimethylmethylvinylsiloxane with a molecular weight of 10000 and a vinyl content of 0.23%, and a molecular weight of 5000 with terminal hydroxyl poly( A mixture of methyl 3,3,3-trifluoropropyl) siloxane as the base polymer;

[0025] It is composed of nano-magnesia with an average particle size of 50nm and accounting for 20% of the total powder after high-temperature calcination and dehydration, and barium titanate, manganese oxide and sodium silicate with an average particle size of 1 μm and accounting for 80% of the total powder. mixture as a powder;

[0026] The specific mass ratio of adhesive sealant is:

[0027]

[0028]

Embodiment 3

[0030] The dynamic viscosity at 25°C is 15000mPa·sα, ω-dihydroxypolydimethylsiloxane, polydimethylmethylvinylsiloxane with a molecular weight of 8000 and a vinyl content of 0.23%, and a molecular weight of 10000 terminal hydroxyl poly( A mixture of methyl 3,3,3-trifluoropropyl) siloxane as the base polymer;

[0031] It is composed of nano-magnesia with an average particle size of 30nm and accounting for 20% of the total powder after high-temperature calcination and dehydration, and barium titanate, manganese oxide and sodium silicate with an average particle size of 2 μm and accounting for 80% of the total powder. mixture as a powder;

[0032] The specific mass ratio of adhesive sealant is:

[0033]

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PUM

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Abstract

The invention discloses a high-temperature-resistant and low-expansion adhesive sealant for a filter cartridge. The adhesive sealant is prepared from the following components of a basic polymer, powder, a cross-linking agent, a coupling agent and a catalyst. The invention provides the high-temperature-resistant and low-expansion adhesive sealant for the filter cartridge according to characteristics of the making mode, the service environment, the working condition and the like of the filter cartridge; the made adhesive sealant has the features of being resistant to high temperature, resisting heat shock, being low in expansion, being resistant to acid and alkali, resisting aging and being long in service life, and is applicable to the filter cartridge which is used in severe and complicated working conditions of a coal-fired power plant, garbage incineration and the like for a long term.

Description

technical field [0001] The invention relates to an adhesive sealant, in particular to a high-temperature-resistant and low-expansion adhesive sealant for a filter cartridge. Background technique [0002] Cartridge dust collectors appeared in Japan and some European and American countries as early as the 1970s. They have the advantages of small size, high efficiency, low investment, and easy maintenance. However, due to their small equipment capacity, it is difficult to combine them into large air volume equipment. The wind speed is low and the application range is narrow. It is only used in food, welding and other industries, so it has not been widely promoted for many years. In recent years, with the continuous development of new technologies and new materials, the structure and filter material of the dust collector have been improved, so that the filter cartridge dust collector can be used in industrial fields such as cement, steel, electric power, food, metallurgy, and ch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J183/06C09J183/07C09J183/08C09J11/04C09J11/06
CPCC09J183/06C08K2201/011C08L2201/08C08L2205/02C08L2205/03C09J11/04C09J11/06C09J183/04C09J183/08C08L83/04C08L83/08C08K13/02C08K2003/222C08K3/24C08K2003/2262C08K3/34C08K5/5465C08K5/5435C08K5/5475C08K3/16C08L83/06
Inventor 蔡伟龙王巍刘滨邱薰艺
Owner XIAMEN ZHONGCHUANG ENVIRONMENTAL TECH CO LTD
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