CN109319805B - Preparation method of ceramic fluxing agent, ceramic fluxing agent and application of ceramic fluxing agent - Google Patents
Preparation method of ceramic fluxing agent, ceramic fluxing agent and application of ceramic fluxing agent Download PDFInfo
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- CN109319805B CN109319805B CN201710650068.8A CN201710650068A CN109319805B CN 109319805 B CN109319805 B CN 109319805B CN 201710650068 A CN201710650068 A CN 201710650068A CN 109319805 B CN109319805 B CN 109319805B
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/26—Mordenite type
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/14—Type A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/20—Faujasite type, e.g. type X or Y
- C01B39/24—Type Y
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
Abstract
The invention provides a preparation method of a ceramic fluxing agent, the ceramic fluxing agent and application thereof, wherein the preparation method comprises the following steps: preparing an exchange solution from soluble metal salt, adding a molecular sieve into the exchange solution, stirring, filtering, washing and drying to obtain an ion modified molecular sieve; and respectively adding the ion-modified molecular sieve and the surface activation treatment agent into a high-speed mixer for surface activation treatment to obtain the ceramic fluxing agent. The ceramic fluxing agent is prepared by the preparation method of the ceramic fluxing agent. The application of the ceramic fluxing agent is to add the ceramic fluxing agent into a ceramic polyolefin cable material, wherein the ceramic fluxing agent accounts for 6-15% of the ceramic polyolefin cable material by mass. The preparation method has simple process and low production cost. The ceramic fluxing agent is applied to ceramic polyolefin cable materials, and has the fluxing agent effect at a low temperature stage and the ceramic aggregate effect at a high temperature stage.
Description
Technical Field
The invention relates to the technical field of fluxing agents, in particular to a preparation method of a ceramic fluxing agent, the ceramic fluxing agent and application of the ceramic fluxing agent.
Background
In the preparation of cerammed polymers, low melting point glass powder is usually added as a flux, as in the chinese patent application No. 201510024429.9, to lower the ceramming temperature. The initial melting temperature of the glass powder can be reduced to 300-500 ℃, and the ceramic aggregate particles can be bonded together in the sintering process, so that the purposes of reducing the sintering temperature and increasing the strength are achieved. However, the glass powder is not favorable for maintaining the shape of a porcelain body in the high-temperature calcination stage, and is not favorable for protecting the transmission of electric energy and signals for a long time when a fire occurs in the ceramic polymer cable sheath prepared by the glass powder, and is not favorable for fire rescue. In addition, the high cost limits the large-scale application of the ceramic polymer.
Disclosure of Invention
The invention aims to provide a preparation method of a ceramic fluxing agent which simultaneously plays a role of the fluxing agent at a low temperature stage and plays a role of a ceramic aggregate at a high temperature stage.
The invention provides a preparation method of a ceramic fluxing agent, which comprises the following steps:
s1, preparing an exchange solution from soluble metal salt, adding a molecular sieve into the exchange solution, stirring, filtering, cleaning and drying to obtain an ion modified molecular sieve;
and S2, respectively adding the ion-modified molecular sieve and the surface activation treatment agent into a high-speed mixer, and carrying out surface activation treatment to obtain the ceramic fluxing agent.
On the basis of the technical scheme, the invention can be further improved as follows:
optionally, the exchange solution includes alkali metal ions or rare earth metal ions.
Optionally, the alkali metal ions are lithium ions or sodium ions, and the rare earth metal ions are lanthanum ions or yttrium ions.
Optionally, in the step S1, the concentration of the exchange solution is 1 to 6 mol/L;
the molecular sieve comprises: any one of a natural mordenite molecular sieve, a 4A molecular sieve and a Y-type molecular sieve;
wherein the ion exchange degree of the exchange solution is 70-90%.
Optionally, the stirring temperature is 25-80 ℃, and the stirring time is 1-8 h.
Optionally, in step S2, the temperature of the activation treatment is 60 to 130 ℃, and the time of the activation treatment is 3 to 45 min.
Optionally, in step S2, the ion-modified molecular sieve is 95 to 97 parts by weight, and the surface activation treatment agent is 3 to 5 parts by weight.
Optionally, the surface activation treatment agent comprises: any one of a polymer coupling agent, a titanate coupling agent, a silane coupling agent, an aluminate coupling agent, a phosphate coupling agent and a rare earth coupling agent; or
The surface activation treatment agent comprises: the adhesive comprises a mixture formed by any one of titanate coupling agent, silane coupling agent, aluminate coupling agent, phosphate coupling agent and rare earth coupling agent and macromolecular coupling agent, wherein the macromolecular coupling agent accounts for 0.5-2.0 parts by weight.
The invention also provides a ceramic fluxing agent prepared by the preparation method of the ceramic fluxing agent.
The invention also provides application of the ceramic fluxing agent, wherein the ceramic fluxing agent is added into the ceramic polyolefin cable material, and the mass fraction of the ceramic fluxing agent in the ceramic polyolefin cable material is 6-15%.
The invention has the beneficial effects that:
according to the preparation method of the ceramic fluxing agent, the molecular sieve and the exchange solution are subjected to ion exchange modification to obtain the ion modified molecular sieve, and then the surface activation treatment agent is added for surface activation treatment, so that the ceramic fluxing agent can be obtained. The preparation method has simple process and low production cost.
The ceramic fluxing agent is applied to the ceramic polyolefin cable material, plays a role of the fluxing agent at a low temperature stage, reduces the porcelain forming temperature to 550-650 ℃, plays a role of a porcelain forming aggregate at a high temperature stage, and solves the problems that the ceramic polymer is difficult to form porcelain rapidly at the low temperature stage and the porcelain forming body is difficult to maintain in shape at the high temperature stage.
Detailed Description
The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
The embodiment of the invention provides a preparation method of a ceramic fluxing agent, which comprises the following steps:
s1, preparing an exchange solution with the concentration of 1-6mol/L from soluble metal salt, adding a molecular sieve into the exchange solution, stirring, filtering, cleaning and drying to obtain the ion modified molecular sieve, wherein the stirring temperature is 25-80 ℃, and the stirring time is 1-8 hours;
and S2, respectively adding the ion-modified molecular sieve and the surface activation treatment agent into a high-speed mixer, and performing surface activation treatment to obtain the ceramic fluxing agent, wherein the temperature of the activation treatment is 60-130 ℃, and the time of the activation treatment is 3-45 min.
According to the preparation method of the ceramic fluxing agent, the molecular sieve and the exchange solution are subjected to ion exchange modification to obtain the ion modified molecular sieve, and then the surface activation treatment agent is added for surface activation treatment, so that the ceramic fluxing agent can be obtained. The preparation method has simple process and low production cost.
Molecular sieves refer to crystalline aluminosilicates having uniform micropores and composed primarily of silicon, aluminum, oxygen, and other metal cations. The molecular sieve has a hollow framework structure, a plurality of pore passages with uniform pore diameters are arranged in the framework structure, and metal cations are arranged in the pore passages. When the molecular sieve is contacted with the exchange solution, the metal cations in the exchange solution can enter the pore channels of the zeolite, and the original metal cations in the zeolite are exchanged down to enter the solution, and the ion exchange process can be represented by the following general formula:
in the formula, Z-Is an anionic framework of a molecular sieve, A+For exchanging metal cations contained in the pre-molecular sieve, B+To exchange metal cations in the solution.
Wherein the ion exchange degree of the exchange solution is 70-90%.
The ion exchange degree of the exchange solution refers to the cation A of the molecular sieve exchanged into the solution+Cation A before exchange+In mass percent.
Wherein the exchange solution comprises alkali metal ions or rare earth metal ions.
The alkali metal ion may be derived from any inorganic salt;
the rare earth metal ions can be derived from any soluble inorganic salt or a soluble inorganic salt formed by reacting a non-water soluble inorganic salt with an acid.
Specifically, the alkali metal ions are lithium ions or sodium ions, and the rare earth metal ions are lanthanum ions or yttrium ions.
The metal cations in the pore channels of the ion modified molecular sieve firstly form a eutectic substance in a high-temperature environment to play a role of a bonding agent, so that the ion modified molecular sieve becomes a ceramic body at a lower temperature. With the increase of temperature, the formation amount of the eutectic substance is limited and is not large. At this time, the ion-modified molecular sieve reacts to form a ceramic body, and the shape of the ceramic body is maintained as much as possible rather than being "fluid", thereby ensuring the maintenance of the shape of the ceramic body.
In the step S2, the ion-modified molecular sieve is 95 to 97 parts by weight, and the surface activation treatment agent is 3 to 5 parts by weight.
Wherein the molecular sieve comprises: any one of natural mordenite molecular sieve, 4A molecular sieve and Y type molecular sieve.
Mordenite molecular sieves, also known as mordenite. The acid resistance and thermal stability are particularly high because of the high silica-alumina ratio and the large number of five-membered rings. A plurality of straight cylindrical pores are formed in the crystals of the mordenite molecular sieve, wherein the straight cylindrical pores with the largest diameter are composed of twelve-membered rings, which are main channels of the mordenite molecular sieve, and the cross section of each straight cylindrical pore is elliptic. In practice, the cylindrical apertures are twisted to some extent, and the layers are not stacked directly opposite each other, but are displaced from each other. The main pore canals of the mordenite molecular sieve are also communicated with each other by small pore canals, but the small pore canals have small pore diameters, so that molecules are not easy to enter and can only enter and exit from the main pore canals.
The 4A molecular sieve is an artificially synthesized aluminosilicate having a microporous cubic lattice. Molecules of different substances are adsorbed or repelled depending on the size of pores inside their crystals, and thus are called "molecular sieves". Substances with a molecular diameter less than the pore diameter of the 4A molecular sieve crystals can enter the molecular sieve crystals and be adsorbed thereby, otherwise, rejected. The 4A molecular sieve belongs to one of molecular sieves, has a structure very similar to that of NaCl, and belongs to a cubic crystal system. The 4A molecular sieve is called 4A molecular sieve because the effective pore diameter is 0.4nm, and the spatial network structure of the 4A molecular sieve is composed of silicon-oxygen tetrahedral units [ SiO ]4]And alundum tetrahedron [ AlO4]The units are arranged in a staggered mode.
The Y-type molecular sieve is a zeolite crystal structure containing Si, Al, Na and O, which is formed in a three-dimensional space according to a diamond crystal arrangement mode by taking octahedral chamfered angle cages (beta cages) as structural units. The Y-type molecular sieve has a three-dimensional pore channel with the pore diameter of 0.73nm, and is beneficial to the diffusion of macromolecules in the pore channel of the molecular sieve and the reaction on an acid center.
Wherein the surface activation treatment agent comprises: any one of a polymer coupling agent, a titanate coupling agent, a silane coupling agent, an aluminate coupling agent, a phosphate coupling agent and a rare earth coupling agent.
Alternatively, the surface activation treatment agent includes: the adhesive comprises a mixture formed by any one of titanate coupling agent, silane coupling agent, aluminate coupling agent, phosphate coupling agent and rare earth coupling agent and macromolecular coupling agent, wherein the macromolecular coupling agent accounts for 0.5-2.0 parts by weight.
The surface activating treatment agent is a substance with two functional groups with different properties, and the molecular structure of the surface activating treatment agent is mainly characterized in that molecules contain two groups with different chemical properties, one group is an inorganophilic group and is easy to chemically react with the surface of an inorganic substance; the other is an organophilic group which is capable of chemically reacting with or forming hydrogen bonds soluble in synthetic resins or other polymers. Therefore, the coupling agent is called as a molecular bridge and is used for improving the interface action between inorganic matters and organic matters, so that the performance of the ion modified molecular sieve is greatly improved.
The embodiment of the invention also provides a ceramic fluxing agent prepared by the preparation method of the ceramic fluxing agent.
The ceramic fluxing agent can be widely applied to the preparation of ceramics, particularly low-temperature ceramics and the preparation of ceramic polymer materials. The ceramic material can well balance the performance of low-temperature ceramic formation and high-temperature ceramic formation when applied to ceramic polymer materials, and solves the key problem of the existing ceramic polymer.
The embodiment of the invention also provides application of the ceramic fluxing agent, wherein the ceramic fluxing agent is added into the ceramic polyolefin cable material, and the mass fraction of the ceramic fluxing agent in the ceramic polyolefin cable material is 6-15%.
When the ceramic fluxing agent is applied to ceramic polyolefin cable materials, sodium, lithium, lanthanum, yttrium atoms and oxygen exchanged at a low temperature stage can easily form eutectic point substances to play a role of the fluxing agent, and a tetrahedral structure formed by silicon, aluminum and oxygen on a molecular sieve framework can play a role of ceramic aggregate at a high temperature stage, so that the problems that ceramic is difficult to form rapidly at the low temperature stage and a ceramic body is difficult to maintain in shape at the high temperature stage of ceramic polymers are solved.
The invention will now be illustrated by means of specific examples.
Example 1
The ceramic fluxing agent is prepared by the following specific steps:
1. adding 100g of natural mordenite molecular sieve into 200mL of 1mol/L sodium nitrate solution, stirring for 4 hours at 80 ℃, performing suction filtration, cleaning and drying for later use to obtain an ion-modified mordenite molecular sieve, wherein the exchange degree of sodium ions is 70%;
2. and (3) carrying out surface activation treatment on 96g of the ion-modified mordenite molecular sieve by using 2g of a silane coupling agent and 2g of a high-molecular coupling agent, wherein the activation treatment temperature is 100 ℃, and the activation treatment time is 15 minutes, so as to obtain the ceramic fluxing agent.
The ceramic fluxing agent is applied to the ceramic polyolefin cable material, the mass fraction of the ceramic fluxing agent in the ceramic polyolefin cable material is 8%, and the initial ceramic forming temperature is reduced to 650 ℃.
Example 2
The ceramic fluxing agent is prepared by the following specific steps:
l, adding 50g of 4A molecular sieve into 150mL of 2mol/L lithium nitrate solution, stirring for 6 hours at 80 ℃, carrying out suction filtration, cleaning and drying for later use to obtain an ion modified 4A molecular sieve, wherein the lithium ion exchange degree is 70%;
2. 47.5g of ion-modified 4A molecular sieve is subjected to surface activation treatment by using 1.5g of rare earth coupling agent and 1g of polymer coupling agent, the activation treatment temperature is 90 ℃, and the activation treatment time is 20 minutes, so that the ceramic fluxing agent is obtained.
The ceramic fluxing agent is applied to the ceramic polyolefin cable material, the mass fraction of the ceramic fluxing agent in the ceramic polyolefin cable material is 9%, and the initial ceramic forming temperature is reduced to 550 ℃.
Example 3
The ceramic fluxing agent is prepared by the following specific steps:
1. adding a 150g Y type molecular sieve into 300mL of 6mol/L lanthanum nitrate solution, stirring for 8 hours at 70 ℃, performing suction filtration, cleaning, and drying for later use to obtain an ion modified Y type molecular sieve, wherein the lanthanum ion exchange degree is 75%;
2. and (3) carrying out surface activation treatment on 145g of the ion modified Y-type molecular sieve by using 2.5g of titanate coupling agent and 2.5g of polymer coupling agent, wherein the activation treatment temperature is 110 ℃, and the activation treatment time is 10 minutes, so as to obtain the ceramic fluxing agent.
The ceramic fluxing agent is applied to the ceramic polyolefin cable material, the mass fraction of the ceramic fluxing agent in the ceramic polyolefin cable material is 15%, and the initial ceramic forming temperature is reduced to 600 ℃.
Example 4
The ceramic fluxing agent is prepared by the following specific steps:
1. adding 100g of natural mordenite molecular sieve into 200mL of 3mol/L yttrium nitrate solution, stirring for 8 hours at 25 ℃, performing suction filtration, cleaning and drying for later use to obtain an ion-modified mordenite molecular sieve, wherein the yttrium ion exchange degree is 75%;
2. 97g of ion modified mordenite molecular sieve is subjected to surface activation treatment by using 2.5g of aluminate coupling agent and 0.5g of polymer coupling agent, the activation treatment temperature is 60 ℃, and the activation treatment time is 45 minutes, so that the ceramic fluxing agent is obtained.
The ceramic fluxing agent is applied to the ceramic polyolefin cable material, the mass fraction of the ceramic fluxing agent in the ceramic polyolefin cable material is 11%, and the initial ceramic forming temperature is reduced to 630 ℃.
Example 5
The ceramic fluxing agent is prepared by the following specific steps:
1. adding a 150g Y type molecular sieve into 300mL of 5mol/L lithium nitrate solution, stirring for 6 hours at 35 ℃, performing suction filtration, cleaning, and drying for later use to obtain an ion modified Y type molecular sieve, wherein the lithium ion exchange degree is 80%;
2. 142.5g of ion modified Y-shaped molecular sieve is subjected to surface activation treatment by using 7.5g of polymer coupling agent, the activation treatment temperature is 80 ℃, and the activation treatment time is 35 minutes, so that the ceramic fluxing agent is obtained.
The ceramic fluxing agent is applied to the ceramic polyolefin cable material, the mass fraction of the ceramic fluxing agent in the ceramic polyolefin cable material is 8%, and the initial ceramic forming temperature is reduced to 620 ℃.
Example 6
The ceramic fluxing agent is prepared by the following specific steps:
1. adding 100g of natural mordenite molecular sieve into 200mL of 1mol/L lanthanum nitrate solution, stirring for 5 hours at 40 ℃, performing suction filtration, cleaning and drying for later use to obtain an ion-modified mordenite molecular sieve, wherein the lanthanum ion exchange degree is 80%;
2. and (3) carrying out surface activation treatment on 95.5g of the ion-modified mordenite molecular sieve by using 4.5g of a silane coupling agent, wherein the activation treatment temperature is 90 ℃, and the activation treatment time is 30 minutes, so as to obtain the ceramic fluxing agent.
The ceramic fluxing agent is applied to the ceramic polyolefin cable material, the mass fraction of the ceramic fluxing agent in the ceramic polyolefin cable material is 15%, and the initial ceramic forming temperature is reduced to 600 ℃.
Example 7
The ceramic fluxing agent is prepared by the following specific steps:
1. adding 50g of 4A molecular sieve into 150mL of 2mol/L yttrium nitrate solution, stirring for 4 hours at 45 ℃, filtering, cleaning, and drying for later use to obtain an ion-modified 4A molecular sieve, wherein the yttrium ion exchange degree is 85%;
2. and (3) carrying out surface activation treatment on 48g of the ion-modified 4A molecular sieve by using 2g of titanate coupling agent, wherein the activation treatment temperature is 100 ℃, and the activation treatment time is 25 minutes, so as to obtain the ceramic fluxing agent.
The ceramic fluxing agent is applied to the ceramic polyolefin cable material, the mass fraction of the ceramic fluxing agent in the ceramic polyolefin cable material is 10%, and the initial ceramic forming temperature is reduced to 610 ℃.
Example 8
The ceramic fluxing agent is prepared by the following specific steps:
1. adding 100g of natural mordenite molecular sieve into 200mL of 4mol/L lithium nitrate solution, stirring for 2 hours at 55 ℃, performing suction filtration, cleaning and drying for later use to obtain an ion modified mordenite molecular sieve, wherein the lithium ion exchange degree is 85%;
2. 97g of ion modified mordenite molecular sieve is subjected to surface activation treatment by using 3g of phosphate coupling agent, the activation treatment temperature is 120 ℃, and the activation treatment time is 10 minutes, so that the ceramic fluxing agent is obtained.
The ceramic fluxing agent is applied to the ceramic polyolefin cable material, the mass fraction of the ceramic fluxing agent in the ceramic polyolefin cable material is 12%, and the initial ceramic forming temperature is reduced to 610 ℃.
Example 9
The ceramic fluxing agent is prepared by the following specific steps:
1. adding 50g of 4A molecular sieve into 150mL of 5mol/L lanthanum nitrate solution, stirring for 1 hour at 60 ℃, performing suction filtration, cleaning and drying for later use to obtain an ion-modified 4A molecular sieve, wherein the lanthanum ion exchange degree is 90%;
2. and (3) carrying out surface activation treatment on 48g of the ion-modified 4A molecular sieve by using 2g of a rare earth coupling agent, wherein the activation treatment temperature is 130 ℃, and the activation treatment time is 3 minutes, so as to obtain the ceramic fluxing agent.
The ceramic fluxing agent is applied to the ceramic polyolefin cable material, the mass fraction of the ceramic fluxing agent in the ceramic polyolefin cable material is 10%, and the initial ceramic forming temperature is reduced to 580 ℃.
Example 10
The ceramic fluxing agent is prepared by the following specific steps:
1. adding 50g of 4A molecular sieve into 150mL of 3mol/L lithium nitrate solution, stirring for 4 hours at 80 ℃, performing suction filtration, cleaning and drying for later use to obtain an ion modified 4A molecular sieve, wherein the lithium ion exchange degree is 80%;
2. 47.5g of the ion-modified 4A molecular sieve was subjected to surface activation treatment using 1.5g of an aluminate coupling agent at a temperature of 110 ℃ for 20 minutes to obtain a ceramic flux.
The ceramic fluxing agent is applied to the ceramic polyolefin cable material, the mass fraction of the ceramic fluxing agent in the ceramic polyolefin cable material is 6%, and the initial ceramic forming temperature is reduced to 600 ℃.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The preparation method of the ceramic fluxing agent is characterized by comprising the following steps:
s1, preparing an exchange solution from soluble metal salt, adding a molecular sieve into the exchange solution, stirring, filtering, cleaning and drying to obtain an ion modified molecular sieve; the exchange solution comprises alkali metal ions or rare earth metal ions, wherein the alkali metal ions are lithium ions or sodium ions, and the rare earth metal ions are lanthanum ions or yttrium ions;
step S2, respectively adding the ion-modified molecular sieve and the surface activation treatment agent into a high-speed mixer, and carrying out surface activation treatment to obtain the ceramic fluxing agent;
the surface activation treatment agent comprises: any one of a polymer coupling agent, a titanate coupling agent, a silane coupling agent, an aluminate coupling agent, a phosphate coupling agent and a rare earth coupling agent; or
The surface activation treatment agent comprises: the adhesive comprises a mixture formed by any one of titanate coupling agent, silane coupling agent, aluminate coupling agent, phosphate coupling agent and rare earth coupling agent and macromolecular coupling agent, wherein the macromolecular coupling agent accounts for 0.5-2.0 parts by weight.
2. The method for preparing a ceramic flux according to claim 1, wherein in the step S1, the concentration of the exchange solution is 1 to 6 mol/L; the molecular sieve comprises: any one of a natural mordenite molecular sieve, a 4A molecular sieve and a Y-type molecular sieve; wherein the ion exchange degree of the exchange solution is 70-90%.
3. The method for preparing a ceramic flux according to claim 1, wherein the stirring temperature in step S1 is 25 to 80 ℃, and the stirring time is 1 to 8 hours.
4. The method for preparing a ceramic flux according to claim 1, wherein in the step S2, the temperature of the activation treatment is 60 to 130 ℃, and the time of the activation treatment is 3 to 45 min.
5. The method of claim 1, wherein in step S2, the ionic modified molecular sieve is 95-97 parts by weight, and the surface activating agent is 3-5 parts by weight.
6. A ceramic flux, characterized by being produced by the method for producing a ceramic flux according to any one of claims 1 to 5.
7. Use of a ceramic flux according to claim 6, wherein the ceramic flux is added to a ceramicized polyolefin cable material, wherein the ceramic flux is present in an amount of 6 to 15% by weight of the ceramicized polyolefin cable material.
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| CN104497404A (en) * | 2014-12-31 | 2015-04-08 | 深圳市沃尔核材股份有限公司 | Porcelainized polyolefin composite material and preparation method thereof |
| CN105348627A (en) * | 2015-11-13 | 2016-02-24 | 苏州希普拉斯新材料有限公司 | Ceramifying polyolefin fireproof cable material |
| CN106589791A (en) * | 2016-12-16 | 2017-04-26 | 武汉理工大学 | High-temperature ceramizable phenolic foam composite material and preparation method thereof |
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| CN104497404A (en) * | 2014-12-31 | 2015-04-08 | 深圳市沃尔核材股份有限公司 | Porcelainized polyolefin composite material and preparation method thereof |
| CN105348627A (en) * | 2015-11-13 | 2016-02-24 | 苏州希普拉斯新材料有限公司 | Ceramifying polyolefin fireproof cable material |
| CN106589791A (en) * | 2016-12-16 | 2017-04-26 | 武汉理工大学 | High-temperature ceramizable phenolic foam composite material and preparation method thereof |
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