CN106675502A - High-temperature-resistant and low-expansion adhesive sealant for filter cartridge - Google Patents

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

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Publication number
CN106675502A
CN106675502A CN201611145907.2A CN201611145907A CN106675502A CN 106675502 A CN106675502 A CN 106675502A CN 201611145907 A CN201611145907 A CN 201611145907A CN 106675502 A CN106675502 A CN 106675502A
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China
Prior art keywords
powder body
resistant
filter cartridge
low
filter cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611145907.2A
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Chinese (zh)
Inventor
蔡伟龙
王巍
刘滨
邱薰艺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XIAMEN SAVINGS ENVIRONMENTAL CO Ltd
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XIAMEN SAVINGS ENVIRONMENTAL CO Ltd
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Application filed by XIAMEN SAVINGS ENVIRONMENTAL CO Ltd filed Critical XIAMEN SAVINGS ENVIRONMENTAL CO Ltd
Priority to CN201611145907.2A priority Critical patent/CN106675502A/en
Publication of CN106675502A publication Critical patent/CN106675502A/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
    • C09J183/04—Polysiloxanes
    • C09J183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
    • C09J183/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
    • C09J183/04—Polysiloxanes
    • C09J183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Sealing Material Composition (AREA)

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

A kind of filter cylinder high temperature resistance low-expansion joint sealant
Technical field
The present invention relates to a kind of joint sealant, particularly relates to a kind of filter cylinder high temperature resistance low-expansion joint sealant.
Background technology
Early in 20 century 70s, just in Japan and America and Europe, some countries filter cartridge dust remover have occurred, with small volume, The advantages of efficiency high, reduced investment, easy care, but because its place capacity is little, difficulty is combined into Wind Volume equipment, and filtration velocity is low, Range of application is narrow, only in sector applications such as grain, welding, so failing large-scale popularization for many years.In recent years, with new technique, New material constantly develops, and the structure and filtrate of cleaner unit is improved so that filter cartridge dust remover can be applicable to cement, steel The industrial circles such as ferrum, electric power, food, metallurgy, chemical industry, be solve traditional cleaner unit ultrafine dust is collected difficult, filtration velocity it is high, Ash-removal effect is poor, the preferred plan that filter bag run-down, operating cost easy to wear is high, compares with current market pocket type, electrostatic precipitator With effective filtration area it is big, pressure reduction is low, small volume, low emission the features such as, become industrial dust collector development new direction.
Used as the core component of filter cartridge dust remover, the stability of filter cylinder, reliability directly affect the life-time service of cleaner unit. The construction of filter cylinder is generally divided into top cover, metal framework, pleat shape filtrate and the part of base four, and usual pleat shape filtrate head and the tail bind into Cylinder, then adhering and sealing is carried out using glue between base.Under the severe complex working condition such as coal-burning power plant, glass furnace, at present in filter Cylinder used in commercially available fluid sealant Jing often there is non-refractory and be desorbed or drastically expansion, not acid and alkali-resistance and degrade, crackle occur； And after pulse jetting deashing repeatedly, and easily occur glue stiffness of the body degree it is not enough and departs from, that gap etc. occurs in poor plasticity sealing position is scarce Fall into, the appearance of these situations, largely increase filter cylinder and discharge exceeded probability, before filtrate reaches service life far away just Filter cylinder must be changed, and limits application of the filter cylinder under high temperature, high steam, high sulfur content operating mode.
The content of the invention
It is an object of the invention to solve existing joint sealant above-mentioned technical problem present in filter cylinder application, and carry It is close for the filter cylinder high temperature resistance low-expansion bonding of a kind of high temperature resistant, anti-thermal shock, low bulk, acid and alkali-resistance, aging resistance, long service life Sealing.
In order to reach above-mentioned purpose, the solution of the present invention is：
A kind of filter cylinder high temperature resistance low-expansion joint sealant, including base polymer, powder body, including the diacetylmonoxime of phenyl three The cross-linking agent of silane and four (methyl isobutyl ketoxime) silane, including γ-glycidyl ether oxygen propyl trimethoxy silicane, γ- The coupling agent of aminopropyltriethoxy dimethoxysilane and 3- azido trimethoxy silanes, including KI powder and organotin catalysts Catalyst；
Specifically include the composition of following quality proportioning：
The base polymer is that dynamic viscosity is 10000-20000mPas α at 25 DEG C, alpha, omega-dihydroxy polydimethyl Siloxanes, molecular weight 5000-10000, the poly dimethyl methyl vinyl silicone of contents of ethylene 0.23-0.30%, molecule The mixture of poly- (methyl 3,3,3- trifluoro propyls) the siloxanes composition of amount 5000-20000 terminal hydroxy groups.
The powder body is Jing high-temperature calcinations, mean diameter 20-50nm of processed, accounts for receiving for powder body total amount 10-20% Rice magnesium oxide and mean diameter 1-4 μm, the Barium metatitanate. for accounting for powder body total amount 80%-90%, manganese oxide, the mixing of sodium silicate composition Thing.
Filter cylinder of the present invention high temperature resistance low-expansion joint sealant, including base polymer, powder body, cross-linking agent, coupling agent, Catalyst, wherein base polymer are that dynamic viscosity is 10000-20000mPas α at 25 DEG C, alpha, omega-dihydroxy polydimethyl silicon Oxygen alkane, molecular weight 5000-10000, the poly dimethyl methyl vinyl silicone of contents of ethylene 0.23-0.30%, molecular weight The mixture of poly- (methyl 3,3,3- trifluoro propyls) the siloxanes composition of 5000-20000 terminal hydroxy groups, is not added with phenyl silicone oil in formula Deng plasticizer, but the polymer of suitable viscosity and suitable follow-up cross-linking reaction is selected, be to fully take into account filter cylinder to transport for a long time Row has neither part nor lot in the plasticizer of reaction and easily separates out from glue-line under hot conditionss, so as to reduce it is gluing connect sealing, on the other hand not Suitable base polymer is selected, it would be possible to is generated not enough heatproof, much higher hard or intensity deficiency colloid, is unfavorable for making for a long time With；
Though the sulfide catalyst body that the present invention is constituted using traditional infrastructure polymer, ketoximinosilanes and organotin based compound System, but organotin catalysts consumption is greatly decreased, arrange in pairs or groups the diacetylmonoxime silane of rational proportion phenyl three and four (methyl isobutyl ketoximes Base) silane composition ketoximinosilanes, under the premise of the integrally curing time is not affected, reduce colloid top layer internal layer hardening time poor Different, colloid inside sealing gas causes the swelling that colloid occurs under high temperature；
The present inventor adopts 3- azidos trimethoxy silane as this joint sealant silane coupler, can be big Width improves glue adhesive property, lifts filter cylinder filtrate firmness bonding with base.Reason is 3- azido trimethoxy silanes in KI Under powder catalytic effect, bridge joint is formed respectively between base and macromolecule filtrate, so that filtrate is tight contacted between with base, significantly Improve glue-joint strength.
Powder body used of the invention is Jing high-temperature calcinations, mean diameter 20-50nm of processed, accounts for powder body total amount 10- 20% nano magnesia and mean diameter 1-4 μm, the Barium metatitanate. for accounting for powder body total amount 80%-90%, manganese oxide, sodium silicate composition Mixture, only in the range of mixed proportion of the present invention and adding proportion, the fluid sealant under powder bulk density need not addition increase Modeling agent can have certain fluidity, and intensity can carry weight under filter cylinder deadweight and dust, and the suitable plasticity of hardness is good, heat resistanceheat resistant Shake, under rapid heat cycle iterative cycles operating mode crackle is less prone to.
Description of the drawings
Fig. 1 is adhesive property of the present invention test filtrate figure bonding with sheet metal.
Specific embodiment
In order to technical scheme is explained further, the present invention is explained in detail below by specific embodiment State.
Embodiment 1：
From dynamic viscosity at 25 DEG C be 10000mPas α, alpha, omega-dihydroxy polydimethyl siloxane, molecular weight 5000, The poly dimethyl methyl vinyl silicone of contents of ethylene 0.30%, the terminal hydroxy group of molecular weight 20000 poly- (methyl 3,3,3- trifluoros Propyl group) siloxanes composition mixture based on polymer；
From Jing high-temperature calcinations, mean diameter 20nm of processed, account for powder body total amount 10% nano magnesia peace Equal 4 μm of particle diameter, the Barium metatitanate. for accounting for powder body total amount 90%, manganese oxide, the mixture of sodium silicate composition are used as powder body；
The concrete quality proportioning of joint sealant is：
Embodiment 2：
From dynamic viscosity at 25 DEG C be 20000mPas α, alpha, omega-dihydroxy polydimethyl siloxane, molecular weight 10000th, the poly dimethyl methyl vinyl silicone of contents of ethylene 0.23%, the terminal hydroxy group of molecular weight 5000 it is poly- (methyl 3,3, 3- trifluoro propyls) siloxanes composition mixture based on polymer；
From Jing high-temperature calcinations, mean diameter 50nm of processed, account for powder body total amount 20% nano magnesia peace Equal 1 μm of particle diameter, the Barium metatitanate. for accounting for powder body total amount 80%, manganese oxide, the mixture of sodium silicate composition are used as powder body；
The concrete quality proportioning of joint sealant is：
Embodiment 3：
From dynamic viscosity at 25 DEG C be 15000mPas α, alpha, omega-dihydroxy polydimethyl siloxane, molecular weight 8000, The poly dimethyl methyl vinyl silicone of contents of ethylene 0.23%, the terminal hydroxy group of molecular weight 10000 poly- (methyl 3,3,3- trifluoros Propyl group) siloxanes composition mixture based on polymer；
From Jing high-temperature calcinations, mean diameter 30nm of processed, account for powder body total amount 20% nano magnesia peace Equal 2 μm of particle diameter, the Barium metatitanate. for accounting for powder body total amount 80%, manganese oxide, the mixture of sodium silicate composition are used as powder body；
The concrete quality proportioning of joint sealant is：
Comparative example 1：
It is 15000mPas α from dynamic viscosity at 25 DEG C, is polymerized based on alpha, omega-dihydroxy polydimethyl siloxane Thing；
From Jing high-temperature calcinations, 1 μm of the mean diameter of processed aluminium oxide as powder body；
The concrete quality proportioning of joint sealant is：
Comparative example 2：
From dynamic viscosity at 25 DEG C be 15000mPas α, alpha, omega-dihydroxy polydimethyl siloxane, molecular weight 10000th, polymer based on the poly dimethyl methyl vinyl silicone of contents of ethylene 0.23%；
From Jing high-temperature calcinations, 1 μm of the mean diameter of processed ferrum oxide as powder body；
The concrete quality proportioning of joint sealant is：
Performance test：
Tensile strength test reference GB/T 528-2009；
Heat resistance test reference GB/T 3212-2004；
Adhesive property is tested, as shown in figure 1, the wide filter cylinder filtrates 1 of 50mm (PPS filtrates) is used with base sheet metal 2 Colloid 3 bonds together, adhesion width 30mm, and ultimate strength value is tested using tensile strength machine after colloid 3 is fully cured, and Record fracture position.
The product form and style of above-described embodiment and schema and the non-limiting present invention, any art it is common Appropriate change or modification that technical staff is done to it, all should be regarded as the patent category without departing from the present invention.

Claims (3)

1. a kind of filter cylinder high temperature resistance low-expansion joint sealant, including：Base polymer, powder body, including the diacetylmonoxime of phenyl three The cross-linking agent of silane and four (methyl isobutyl ketoxime) silane, including γ-glycidyl ether oxygen propyl trimethoxy silicane, γ- The coupling agent of aminopropyltriethoxy dimethoxysilane and 3- azido trimethoxy silanes, including KI powder and organotin catalysts Catalyst；
Specifically include the composition of following quality proportioning：
2. a kind of filter cylinder high temperature resistance low-expansion joint sealant as claimed in claim 1, it is characterised in that：The basis is poly- Compound is that dynamic viscosity is 10000-20000mPas α at 25 DEG C, alpha, omega-dihydroxy polydimethyl siloxane, molecular weight 5000- 10000th, the poly dimethyl methyl vinyl silicone of contents of ethylene 0.23-0.30%, molecular weight 5000-20000 terminal hydroxy groups The mixture of poly- (methyl 3,3,3- trifluoro propyls) siloxanes composition.
3. a kind of filter cylinder high temperature resistance low-expansion joint sealant as claimed in claim 1, it is characterised in that：The powder body is Jing high-temperature calcinations, mean diameter 20-50nm of processed, the nano magnesia and mean diameter that account for powder body total amount 10-20% 1-4 μm, the Barium metatitanate. for accounting for powder body total amount 80%-90%, manganese oxide, sodium silicate composition mixture.
CN201611145907.2A 2016-12-13 2016-12-13 High-temperature-resistant and low-expansion adhesive sealant for filter cartridge Pending CN106675502A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019010834A1 (en) * 2017-07-12 2019-01-17 山东大学 Deoximated, oil-resistant, and fluorine-containing organosilicone sealant and preparation method therefor
CN114316891A (en) * 2021-12-30 2022-04-12 深圳市安品有机硅材料有限公司 Deep curing room temperature vulcanized organic silica gel and preparation method thereof
CN114437664A (en) * 2022-01-27 2022-05-06 广东高士高科实业有限公司 Temperature-resistant oil-resistant acetone-removing type organosilicon sealant and preparation method and application thereof
WO2024106787A1 (en) * 2022-11-17 2024-05-23 한국화학연구원 Composition for adhesion enhancement

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CN103013430A (en) * 2012-12-24 2013-04-03 成都硅宝科技股份有限公司 Environment-friendly organosilicone sealant and manufacturing method thereof
CN104357005A (en) * 2014-12-04 2015-02-18 广州汇纳新材料科技有限公司 Single-component silicone sealant for concrete road seaming and preparation method thereof
CN104531049A (en) * 2014-12-24 2015-04-22 广州市白云化工实业有限公司 Anti-pollution silicone weather-resistant sealant and preparation method of sealant

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
CN103013430A (en) * 2012-12-24 2013-04-03 成都硅宝科技股份有限公司 Environment-friendly organosilicone sealant and manufacturing method thereof
CN104357005A (en) * 2014-12-04 2015-02-18 广州汇纳新材料科技有限公司 Single-component silicone sealant for concrete road seaming and preparation method thereof
CN104531049A (en) * 2014-12-24 2015-04-22 广州市白云化工实业有限公司 Anti-pollution silicone weather-resistant sealant and preparation method of sealant

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019010834A1 (en) * 2017-07-12 2019-01-17 山东大学 Deoximated, oil-resistant, and fluorine-containing organosilicone sealant and preparation method therefor
CN114316891A (en) * 2021-12-30 2022-04-12 深圳市安品有机硅材料有限公司 Deep curing room temperature vulcanized organic silica gel and preparation method thereof
CN114316891B (en) * 2021-12-30 2023-11-28 深圳市安品有机硅材料有限公司 Deep-cured room-temperature vulcanized organic silica gel and preparation method thereof
CN114437664A (en) * 2022-01-27 2022-05-06 广东高士高科实业有限公司 Temperature-resistant oil-resistant acetone-removing type organosilicon sealant and preparation method and application thereof
CN114437664B (en) * 2022-01-27 2022-12-16 广东高士高科实业有限公司 Temperature-resistant oil-resistant acetone-removing type organic silicon sealant and preparation method and application thereof
WO2024106787A1 (en) * 2022-11-17 2024-05-23 한국화학연구원 Composition for adhesion enhancement

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Application publication date: 20170517