CN109536049A - A kind of kaolin based sealant and its preparation method and application - Google Patents
A kind of kaolin based sealant and its preparation method and application Download PDFInfo
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- CN109536049A CN109536049A CN201811427522.4A CN201811427522A CN109536049A CN 109536049 A CN109536049 A CN 109536049A CN 201811427522 A CN201811427522 A CN 201811427522A CN 109536049 A CN109536049 A CN 109536049A
- Authority
- CN
- China
- Prior art keywords
- kaolin
- parts
- based sealant
- lotion
- filter cake
- 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.)
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 239000005995 Aluminium silicate Substances 0.000 title claims abstract description 92
- 235000012211 aluminium silicate Nutrition 0.000 title claims abstract description 92
- 239000000565 sealant Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000006210 lotion Substances 0.000 claims abstract description 20
- 239000004014 plasticizer Substances 0.000 claims abstract description 13
- 239000000080 wetting agent Substances 0.000 claims abstract description 13
- 239000004971 Cross linker Substances 0.000 claims abstract description 12
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000005977 Ethylene Substances 0.000 claims abstract description 12
- 239000004094 surface-active agent Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 5
- 239000012065 filter cake Substances 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 21
- 238000007725 thermal activation Methods 0.000 claims description 16
- 238000001354 calcination Methods 0.000 claims description 13
- -1 polyoxyethylene Polymers 0.000 claims description 13
- 241000931143 Gleditsia sinensis Species 0.000 claims description 11
- 238000005054 agglomeration Methods 0.000 claims description 10
- 230000002776 aggregation Effects 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 150000003973 alkyl amines Chemical class 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 5
- 238000003837 high-temperature calcination Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 239000003345 natural gas Substances 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- 125000003700 epoxy group Chemical group 0.000 claims description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid group Chemical group C(C=1C(C(=O)O)=CC=CC1)(=O)O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 235000012424 soybean oil Nutrition 0.000 claims description 4
- 239000003549 soybean oil Substances 0.000 claims description 4
- HNAGHMKIPMKKBB-UHFFFAOYSA-N 1-benzylpyrrolidine-3-carboxamide Chemical compound C1C(C(=O)N)CCN1CC1=CC=CC=C1 HNAGHMKIPMKKBB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 claims description 3
- OBNCKNCVKJNDBV-UHFFFAOYSA-N butanoic acid ethyl ester Natural products CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 3
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 2
- 150000005215 alkyl ethers Chemical class 0.000 claims description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims 2
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- DBSDMAPJGHBWAL-UHFFFAOYSA-N penta-1,4-dien-3-ylbenzene Chemical group C=CC(C=C)C1=CC=CC=C1 DBSDMAPJGHBWAL-UHFFFAOYSA-N 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 229910052622 kaolinite Inorganic materials 0.000 description 3
- 230000000845 anti-microbial effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000005909 ethyl alcohol group Chemical group 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention belongs to sealant technical fields, and in particular to a kind of kaolin based sealant and its preparation method and application.The kaolin based sealant includes each component of following parts by weight: 20~25 parts of lotion, 10~15 parts of alukalin, 3~5 parts of surfactant, 4~6 parts of wetting agent, 2~4 parts of plasticizer, 4~6 parts of based cross-linker containing ethylene and 15~20 parts of water.Kaolin based sealant provided by the present invention has good adhesive property, also, antibacterial and durable using alukalin as primary raw material.
Description
Technical field
The invention belongs to sealant technical fields, and in particular to a kind of kaolin based sealant and preparation method thereof and answer
With.
Background technique
Sealant is widely used in the industries such as building, automobile, electronics, machinery, machinery, chemical industry and home life, this is
Due to it with excellent anti-weathering aging, UV stable, crushing resistance, shock resistance, moisture resistant, high-low temperature resistant, disliking
The features such as being able to maintain elasticity in bad climatic environment, not tearing and be not cracked.As the usage amount of sealant is continuously increased, no
Have the shortcomings that antibiotic property is constantly exposed, which greatly limits the extensive uses of sealant.
Although a variety of sealant products are developed, most of sealants include the solid of larger mass percent
Component, and this can cause the problem of environmental pollution or cleaning problems after sealant use.Other sealant products or shakiness
Effect fixed or that tire is sealed in wider temperature range is bad or bacterium easy to breed.
China is kaolin resource big country, and there is kaolin resource abundant in especially Period In Maoming Area, but in kaolin
Resources effective utilization and new material exploitation aspect are also in urgent need of strengthening.Currently, the purposes of water-washed kaoline focuses primarily upon papermaking, applies
Expect filler and Production of Ceramics raw material.In recent years since heavy and precipitated calcium carbonate are used successfully to paper production and show superior
Performance, the application for kaolin in paper industry bring huge challenge；On the other hand, kaolin has in building engineering field
Huge application potential.
In recent years, alukalin is as the high activity of new generation auxiliary gel rubber material of cement concrete engineering in foreign countries
Research is just becoming more and more active with application；Although and have some research work at home, it is very rare in engineer application.It is sealing
Glue field temporarily has no the relevant technical solution of kaolin based sealant.
Summary of the invention
To solve the deficiencies in the prior art, the present invention provides a kind of kaolin based sealant and preparation method thereof and answer
With.
Technical solution provided by the present invention is as follows:
A kind of kaolin based sealant, each component including following parts by weight: 20~25 parts of lotion, 10~15 parts of work
Property kaolin, 3~5 parts of surfactant, 4~6 parts of wetting agent, 2~4 parts of plasticizer, 4~6 parts containing vinyl hand over
Join agent and 15~20 parts of water.
Kaolin based sealant provided by the present invention has good cementability using alukalin as primary raw material
Can, also, antibacterial and durable.
Specifically, any one of the lotion in acrylic emulsions, polyurethanes lotion or epoxies lotion
Or a variety of mixing.
Specifically, the surfactant is selected from polyoxyethylene alkyl ether, polyoxyethylene alkyl amine, three ethyl alcohol of dilaurate
The mixing of any one or more in amine ester or dodecyl sodium sulfate.
Specifically, any one or more of the wetting agent in ethyl alcohol, normal propyl alcohol, isopropanol or ethyl butyrate
Mixing.
Specifically, the plasticizer is any one in phthalic acid ester, dioctyl adipate or epoxidized soybean oil
Kind or a variety of mixing.
Specifically, the based cross-linker containing ethylene is divinyl toluene.
Specifically, the alukalin is prepared by the following steps to obtain:
1) the kaolin filter cake that solid content is 63~66% is prepared, partial size is below at two microns in the kaolin filter cake
The content of kaolin particle accounts for the 85wt% or more of kaolin particle in the kaolin filter cake；
2) the kaolin filter cake for obtaining step 1) flashes under the conditions of -200pa~-100pa tiny structure, is dry, obtains
Moisture content is in 1.5% kaolin dry powder below；
3) the high temperature clean flue gas calcining step 2 generated using natural gas as heat source burning) obtained kaolin dry powder, it forges
Burning temperature is 700~900 DEG C, and calcination time is 1.0~2.0 hours, obtains thermal activation kaolin；
4) the obtained thermal activation kaolin of step 3) is subjected to depolymerization, the conduct of Chinese honey locust powder is added in depolymehzation process
Modifying agent eliminates the agglomeration of the agglomeration generated when high-temperature calcination, obtains alukalin, wherein the Chinese honey locust powder dosage
It is 3~5% with the kaolinic weight percent of the thermal activation.
Based on the above-mentioned technical proposal, the alukalin obtained can have good synergistic effect to antibacterial part.
Specifically, kaolin filter cake described in the step 1) the preparation method comprises the following steps: being 10~15% by solid content
Kaolin ore slurry is classified and is settled, and makes in the kaolin ore slurry partial size in the content of two microns of kaolin particles below
Account for the 85wt% or more of kaolin particle in the kaolin ore slurry, then by kaolin ore slurry be concentrated into solid content be 20~
25%, by the kaolin ore slurry filters pressing after concentration, obtain the kaolin filter cake that the solid content is 63~66%.
Specifically, the calcination temperature in the step 3) is 750~850 DEG C, calcination time be 75min~
100min。
Specifically, the Chinese honey locust powder dosage and the thermal activation added in the depolymehzation process in the step 4) are kaolinic
Weight percent is 3~5%.
The present invention also provides the preparation methods of kaolin based sealant provided by the present invention, comprising the following steps: presses
Each component is uniformly mixed according to the amount of formula, obtains kaolin based sealant.
Above-mentioned preparation method is simple, is easy to industrial production.
The present invention also provides the applications of kaolin based sealant provided by the present invention, are used for antimicrobial sealing.
Kaolin based sealant provided by the present invention has good adhesive property, antibacterial and durable, is suitable for
Various antimicrobial sealing environment.
Specific embodiment
The principles and features of the present invention are described below, and illustrated embodiment is served only for explaining the present invention, is not intended to
It limits the scope of the invention.
Embodiment 1
A kind of kaolin based sealant, each component including following parts by weight: 25 parts of lotion, 10 parts of active kaolinite
Soil, 5 parts of surfactant, 4 parts of wetting agent, 4 parts of plasticizer, 4 parts of based cross-linker containing ethylene and 20 parts of water.
Lotion is selected from, polyurethanes lotion.
Surfactant is selected from polyoxyethylene alkyl amine.
Wetting agent is selected from normal propyl alcohol.
Plasticizer is selected from dioctyl adipate.
Based cross-linker containing ethylene is divinyl toluene.
Alukalin is prepared by the following steps to obtain:
1) the kaolin filter cake that solid content is 66% is prepared, partial size is in two microns of kaolin below in kaolin filter cake
The content of grain accounts for the 85wt% or more of kaolin particle in kaolin filter cake；
2) the kaolin filter cake for obtaining step 1) flashes under the conditions of -200pa tiny structure, is dry, obtains moisture content and exists
1.5% kaolin dry powder below；
3) the high temperature clean flue gas calcining step 2 generated using natural gas as heat source burning) obtained kaolin dry powder, it forges
Burning temperature is 900 DEG C, and calcination time is 1.0 hours, obtains thermal activation kaolin；
4) the obtained thermal activation kaolin of step 3) is subjected to depolymerization, Chinese honey locust powder is added in depolymehzation process as modification
Agent eliminates the agglomeration of the agglomeration generated when high-temperature calcination, obtains alukalin, wherein Chinese honey locust powder dosage and thermal activation
Kaolinic weight percent is 5%.
Embodiment 2
A kind of kaolin based sealant, each component including following parts by weight: 20 parts of lotion, 15 parts of active kaolinite
Soil, 3 parts of surfactant, 6 parts of wetting agent, 2 parts of plasticizer, 6 parts of based cross-linker containing ethylene and 15 parts of water.
Lotion is selected from acrylic emulsions.
Surfactant polyoxyethylene alkylamine.
Wetting agent is in ethyl butyrate.
Plasticizer is selected from phthalic acid ester.
Based cross-linker containing ethylene is divinyl toluene.
Alukalin is prepared by the following steps to obtain:
1) the kaolin filter cake that solid content is 63% is prepared, partial size is in two microns of kaolin below in kaolin filter cake
The content of grain accounts for the 85wt% or more of kaolin particle in kaolin filter cake；
2) the kaolin filter cake for obtaining step 1) flashes under the conditions of -100pa tiny structure, is dry, obtains moisture content and exists
1.5% kaolin dry powder below；
3) the high temperature clean flue gas calcining step 2 generated using natural gas as heat source burning) obtained kaolin dry powder, it forges
Burning temperature is 700 DEG C, and calcination time is 2.0 hours, obtains thermal activation kaolin；
4) the obtained thermal activation kaolin of step 3) is subjected to depolymerization, Chinese honey locust powder is added in depolymehzation process as modification
Agent eliminates the agglomeration of the agglomeration generated when high-temperature calcination, obtains alukalin, wherein Chinese honey locust powder dosage and thermal activation
Kaolinic weight percent is 3%.
Embodiment 3
A kind of kaolin based sealant, each component including following parts by weight: 22 parts of lotion, 12 parts of active kaolinite
Soil, 4 parts of surfactant, 5 parts of wetting agent, 3 parts of plasticizer, 5 parts of based cross-linker containing ethylene and 18 parts of water.
Lotion is selected from epoxies lotion.
Surfactant is selected from polyoxyethylene alkyl amine.
Wetting agent is selected from ethyl alcohol.
Plasticizer is selected from epoxidized soybean oil.
Based cross-linker containing ethylene is divinyl toluene.
Property kaolin is prepared by the following steps to obtain:
1) the kaolin filter cake that solid content is 65% is prepared, partial size is in two microns of kaolin below in kaolin filter cake
The content of grain accounts for the 85wt% or more of kaolin particle in kaolin filter cake；
2) the kaolin filter cake for obtaining step 1) flashes under the conditions of -150pa tiny structure, is dry, obtains moisture content and exists
1.5% kaolin dry powder below；
3) the high temperature clean flue gas calcining step 2 generated using natural gas as heat source burning) obtained kaolin dry powder, it forges
Burning temperature is 800 DEG C, and calcination time is 1.5 hours, obtains thermal activation kaolin；
4) the obtained thermal activation kaolin of step 3) is subjected to depolymerization, Chinese honey locust powder is added in depolymehzation process as modification
Agent eliminates the agglomeration of the agglomeration generated when high-temperature calcination, obtains alukalin, wherein Chinese honey locust powder dosage and thermal activation
Kaolinic weight percent is 4%.
Comparative example 1
A kind of sealant, each component including following parts by weight: 22 parts of lotion, 12 parts of bentonite, 4 parts of surface are living
Property agent, 5 parts of wetting agent, 3 parts of plasticizer, 5 parts of based cross-linker containing ethylene and 18 parts of water.
Lotion is selected from epoxies lotion.
Surfactant is selected from polyoxyethylene alkyl amine.
Wetting agent is selected from ethyl alcohol.
Plasticizer is selected from epoxidized soybean oil.
Based cross-linker containing ethylene is divinyl toluene.
The test data of the sealant of embodiment 1,2,3 and comparative example 1 is as shown in the table:
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of kaolin based sealant, which is characterized in that each component including following parts by weight: 20~25 parts of lotion, 10
~15 parts of alukalin, 3~5 parts of surfactant, 4~6 parts of wetting agent, 2~4 parts of plasticizer, 4~6 parts
Based cross-linker containing ethylene and 15~20 parts of water.
2. kaolin based sealant according to claim 1, it is characterised in that: the lotion be selected from acrylic emulsions,
The mixing of any one or more in polyurethanes lotion or epoxies lotion.
3. kaolin based sealant according to claim 1, it is characterised in that: the surfactant is selected from polyoxyethylene
In alkyl ether, polyoxyethylene alkyl amine, dilaurate triethanolamine ester or dodecyl sodium sulfate any one or more
Mixing.
4. kaolin based sealant according to claim 1, it is characterised in that: the wetting agent be selected from ethyl alcohol, normal propyl alcohol,
The mixing of any one or more in isopropanol or ethyl butyrate.
5. kaolin based sealant according to claim 1, it is characterised in that: the plasticizer is selected from phthalic acid
The mixing of any one or more in ester, dioctyl adipate or epoxidized soybean oil.
6. kaolin based sealant according to claim 1, it is characterised in that: the based cross-linker containing ethylene is diethyl
Alkenyl toluene.
7. kaolin based sealant according to any one of claims 1 to 6, it is characterised in that: the alukalin by with
Lower step is prepared:
1) the kaolin filter cake that solid content is 63~66% is prepared, partial size is in two microns of kaolinites below in the kaolin filter cake
The content of soil particle accounts for the 85wt% or more of kaolin particle in the kaolin filter cake；
2) the kaolin filter cake for obtaining step 1) flashes under the conditions of -200pa~-100pa tiny structure, is dry, obtains aqueous
Rate is in 1.5% kaolin dry powder below；
3) the obtained kaolin dry powder of step 2) is carried out using the high temperature clean flue gas generated using natural gas as heat source burning
Calcining, calcination temperature are 700~900 DEG C, and calcination time is 1.0~2.0 hours, obtain thermal activation kaolin；
4) the obtained thermal activation kaolin of step 3) is subjected to depolymerization, Chinese honey locust powder is added in depolymehzation process as modification
Agent eliminates the agglomeration of the agglomeration generated when high-temperature calcination, obtains alukalin, wherein the Chinese honey locust powder dosage and institute
Stating the kaolinic weight percent of thermal activation is 3~5%.
8. a kind of preparation method of kaolin based sealant according to any one of claims 1 to 7, which is characterized in that including
Each component: being uniformly mixed by following steps according to the amount of formula, obtains kaolin based sealant.
9. a kind of application of kaolin based sealant according to any one of claims 1 to 7, it is characterised in that: be used for antibacterial
Sealing.
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| CN201811427522.4A CN109536049A (en) | 2018-11-27 | 2018-11-27 | A kind of kaolin based sealant and its preparation method and application |
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| CN201811427522.4A CN109536049A (en) | 2018-11-27 | 2018-11-27 | A kind of kaolin based sealant and its preparation method and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149596A (en) * | 2020-12-29 | 2021-07-23 | 湖北澳新粘胶科技股份有限公司 | Building glue containing graphene oxide and kaolin and preparation method thereof |
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