CN112937014A - Nickel-based boron carbide composite packaging material and preparation method thereof - Google Patents
Nickel-based boron carbide composite packaging material and preparation method thereof Download PDFInfo
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- CN112937014A CN112937014A CN202110134874.6A CN202110134874A CN112937014A CN 112937014 A CN112937014 A CN 112937014A CN 202110134874 A CN202110134874 A CN 202110134874A CN 112937014 A CN112937014 A CN 112937014A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2553/00—Packaging equipment or accessories not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a nickel-based boron carbide composite packaging material which is prepared from the following raw materials in parts by weight from outside to inside: a first composite layer: 25-30 parts of graphene, 5-10 parts of a modifier, 10-15 parts of carbon nanotubes, 10-15 parts of carbon fibers and 2-5 parts of a metal element filler A; a second composite layer: 30-45 parts of nickel, 5-8 parts of boron carbide, 5-8 parts of metal element filler B and 10-15 parts of aromatic compound; a third composite layer: 10-15 parts of non-woven fabric material, 5-10 parts of conductive fiber and 10-15 parts of adhesive. The first composite layer greatly improves the nuclear adsorption capacity and service life of the first composite layer, the second composite layer is made into the nickel-based boron carbide composite material with the neutron absorption function, the neutron absorption nuclear protection performance is improved by more than 70%, the occurrence of nuclear penetration is reduced to the maximum extent, and the third composite layer is utilized to have the advantages of good wear resistance and toughness, so that the protection material has good wear resistance and toughness.
Description
Technical Field
The invention relates to the technical field of radiation-proof materials, in particular to a nickel-based boron carbide composite packaging material and a preparation method thereof.
Background
The existing packaging material does not have the radiation protection function, and equipment needs to be packaged and protected in some workplaces. The most basic method in nuclear protection is to seal nuclear facilities in a controllable environment by using a nuclear protection material, the currently commonly used nuclear protection material is a neutron absorption material, such as boron carbide, aluminum is often used as a matrix, but the aluminum has low melting point, low strength, low hardness and poor corrosion resistance, a neutron absorption plate made of aluminum-based boron carbide is light and easy to manufacture, but due to insufficient mechanical properties, the nuclear protection performance is poor, the neutron absorption plate is easy to damage, the service life is short, and the high requirements of nuclear protection cannot be met.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide a nickel-based boron carbide composite packaging material and a preparation method thereof, and solves the problems of poor protection effect and short service life of equipment nuclear protection materials.
The nickel-based boron carbide composite packaging material provided by the invention comprises the following raw materials in parts by weight from outside to inside:
a first composite layer: 25-30 parts of graphene, 5-10 parts of a modifier, 10-15 parts of carbon nanotubes, 10-15 parts of carbon fibers and 2-5 parts of a metal element filler A;
a second composite layer: 30-45 parts of nickel, 5-8 parts of boron carbide, 5-8 parts of metal element filler B and 10-15 parts of aromatic compound;
a third composite layer: 10-15 parts of non-woven fabric material, 5-10 parts of conductive fiber and 10-15 parts of adhesive.
In some embodiments of the invention, the modifier is a modified impregnant made of TEDA.
In other embodiments of the present invention, the metal element filler a includes a mixture of at least two of lead oxide powder, bismuth oxide powder, metal tungsten powder, metal lanthanum powder, metal strontium powder, and metal cerium powder.
In other embodiments of the present invention, the metal element filler B includes a mixture of at least four of metal gadolinium powder, metal ytterbium powder, metal yttrium powder, metal europium powder, metal thorium powder, metal terbium powder, metal thulium powder, metal holmium powder, metal lutetium powder, and metal erbium powder.
In other embodiments of the present invention, the aromatic compound comprises a mixture of at least two of dihalosalicylic acid, dihalobenzenediol, dichlorobiphenyldiol, and dihalobenzenedicarboxylic acid.
In other embodiments of the present invention, the nonwoven material is at least one of polypropylene fibers, polyester fibers, viscose fibers, acrylic fibers or polyamide fibers, the conductive fibers are polyacrylic or silicone based, and the binder is polyamide.
A preparation method of a nickel-based boron carbide composite packaging material comprises the following specific preparation steps:
first, first composite layer preparation
1) Firstly, drying graphene at the temperature of 100-120 ℃ for 2-5 hours to obtain dried graphene;
2) mixing the dried graphene and a modifier, adding the mixture into a reaction kettle, heating the mixture to the temperature of 120 ℃ and 150 ℃, stirring the mixture for reaction for 1 to 3 hours, and drying the mixture after the reaction is finished to obtain modified graphene;
3) mixing the modified graphene, the carbon nano tube, the carbon fiber and the metal element filler A, adding the mixture into a mixing roll to be melted and mixed, and mixing for 1-3 hours at the mixing temperature of 150 ℃ and 180 ℃;
4) placing the mixed raw materials in a vacuum hot press for hot pressing to form a first composite layer;
preparation of second and second composite layer
1) Putting nickel, boron carbide and metal element filler into a quartz container respectively, and then putting the quartz container into a vacuum drying oven for drying;
2) mixing nickel, boron carbide and a metal element filler, placing the mixture in a ball mill for ball milling at the ball milling rotation speed of 300-;
3) grinding the mixed powder A and the aromatic compound, adding the ground mixed powder A and the aromatic compound into an extruder, extruding the mixed powder A into a plurality of metal sheets, heating the metal sheets in a stacking manner, and pressing the metal sheets into a second composite layer in a vacuum hot press;
preparation of third and third composite layer
1) Mixing the non-woven fabric material with the conductive fibers, pouring the mixture into the adhesive, and stirring and mixing to obtain a mixture B;
2) putting the mixture B into a mixing roll, mixing for 30-60 minutes at the mixing temperature of 80-120 ℃, and then putting the mixture B into a mould for cooling to prepare a third adhesive composite layer;
fourthly, material forming
1) Hot-pressing the first composite layer at the outer side of the second composite layer at the hot-pressing temperature of 120-;
2) and sticking the third composite layer on the inner side of the second composite layer, and hot-pressing and bonding the third composite layer on the inner side of the second composite layer at the hot-pressing temperature of 80-100 ℃.
In other embodiments of the invention, the modifying agent is a TEDA adsorbing material, TEDA is added into a horizontal rotary furnace, the rotation and the stirring are carried out uniformly, then the horizontal rotary furnace is started and heated, the temperature is increased to 110-.
In other embodiments of the present invention, the pressure of the vacuum hot press in the first composite layer preparation and the second composite layer preparation is 30 to 50Pa, and the hot press pressure is 40 to 60 MPa.
According to the invention, graphene is used as an impregnating material, TEDA (1, 4-diazabicyclo [2.2.2] octane) is used as a modified impregnant, and the modified impregnant does not sublimate from the surface of an adsorbent material under the condition of temperature rise, so that the service life is prolonged, and the nuclear adsorption capacity of the carbon nano tube, the carbon fiber and the metal element filler A is utilized, so that the nuclear adsorption capacity and the service life of the first composite layer are greatly improved.
In order to further improve nuclear absorption and prevent nuclear radiation from penetrating through a protective material, nickel is used as a matrix, a metal element-doped filler B is used as a reinforcing toughening agent, boron carbide is used as a neutron absorption material, and the nickel-based boron carbide composite material with the neutron absorption function is prepared by batching, grinding, pulverizing, vacuum hot pressing and the like, wherein the neutron absorption nuclear protection performance is improved by more than 70%, and the occurrence of nuclear penetration is reduced to the maximum extent.
And the third composite layer has the advantages of good wear resistance and toughness, so that the protective material disclosed by the invention has good wear resistance and toughness.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
The nickel-based boron carbide composite packaging material comprises the following raw materials in parts by weight from outside to inside:
a first composite layer: 25 parts of graphene, 5 parts of a modifier, 10 parts of carbon nanotubes, 10 parts of carbon fibers and 2 parts of a metal element filler A;
a second composite layer: 30 parts of nickel, 5 parts of boron carbide, 5 parts of metal element filler B and 10 parts of aromatic compound;
a third composite layer: 10 parts of non-woven fabric material, 5 parts of conductive fiber and 10 parts of adhesive.
Wherein the modifier is a modified impregnant prepared from TEDA.
The metal element filler A comprises lead oxide powder, bismuth oxide powder and metal tungsten powder. The metal element filler B comprises metal gadolinium powder, metal ytterbium powder, metal yttrium powder, metal europium powder and metal thorium powder. The aromatic compound comprises dihalo salicylic acid, dihalo benzenediol and dichlorobiphenyl diphenol. The non-woven fabric material is polypropylene fiber and polyester fiber, the conductive fiber is polyacrylic acid, and the adhesive is polyamide.
A preparation method of a nickel-based boron carbide composite packaging material comprises the following specific preparation steps:
first, first composite layer preparation
1) Firstly, drying graphene at 100 ℃ for 5 hours to obtain dried graphene;
2) mixing the dried graphene and a modifier, adding the mixture into a reaction kettle, heating the mixture to 120 ℃, stirring the mixture for reaction for 3 hours, and drying the mixture after the reaction is finished to obtain modified graphene;
3) mixing the modified graphene, the carbon nano tube, the carbon fiber and the metal element filler A, adding the mixture into a mixing roll, melting and mixing, and mixing for 3 hours at the mixing temperature of 150 ℃;
4) placing the mixed raw materials in a vacuum hot press for hot pressing to form a first composite layer;
preparation of second and second composite layer
1) Putting nickel, boron carbide and metal element filler into a quartz container respectively, and then putting the quartz container into a vacuum drying oven for drying;
2) mixing nickel, boron carbide and a metal element filler, placing the mixture in a ball mill, carrying out ball milling at the ball milling rotation speed of 300r/min for 30min, and sieving the mixture through a 300-mesh sieve after ball milling to obtain mixed powder A;
3) grinding the mixed powder A and the aromatic compound, adding the ground mixed powder A and the aromatic compound into an extruder, extruding the mixed powder A into a plurality of metal sheets, heating the metal sheets in a stacking manner, and pressing the metal sheets into a second composite layer in a vacuum hot press;
preparation of third and third composite layer
1) Mixing the non-woven fabric material with the conductive fibers, pouring the mixture into the adhesive, and stirring and mixing to obtain a mixture B;
2) putting the mixture B into a mixing roll, mixing for 60 minutes at the mixing temperature of 80 ℃, and then putting the mixture B into a mold for cooling to prepare a third adhesive composite layer;
fourthly, material forming
1) Hot-pressing the first composite layer at the outer side of the second composite layer, wherein the hot-pressing temperature is 120 ℃;
2) and attaching the third composite layer to the inner side of the second composite layer, and thermally pressing and bonding the third composite layer to the inner side of the second composite layer at the thermal pressing temperature of 80 ℃.
Example 2
The nickel-based boron carbide composite packaging material comprises the following raw materials in parts by weight from outside to inside:
a first composite layer: 30 parts of graphene, 10 parts of a modifier, 15 parts of carbon nanotubes, 15 parts of carbon fibers and 5 parts of a metal element filler A;
a second composite layer: 45 parts of nickel, 8 parts of boron carbide, 8 parts of metal element filler B and 10-15 parts of aromatic compound;
a third composite layer: 15 parts of non-woven fabric material, 10 parts of conductive fiber and 15 parts of adhesive.
Wherein the modifier is a modified impregnant prepared from TEDA.
The metal element filler A comprises metal tungsten powder, metal lanthanum powder, metal strontium powder and metal cerium powder. The metal element filler B comprises metal europium powder, metal thorium powder, metal terbium powder, metal thulium powder, metal holmium powder, metal lutetium powder and metal erbium powder. The aromatic compound comprises dichlorobiphenyl diphenol and dihalobenzene dicarboxylic acid. The non-woven fabric material is viscose fiber, acrylic fiber and polyamide fiber, the conductive fiber is organic silicon, and the adhesive is polyamide.
A preparation method of a nickel-based boron carbide composite packaging material comprises the following specific preparation steps:
first, first composite layer preparation
1) Firstly, drying graphene at the temperature of 120 ℃ for 2 hours to obtain dried graphene;
2) mixing the dried graphene and a modifier, adding the mixture into a reaction kettle, heating the mixture to 150 ℃, stirring the mixture for reaction for 1 hour, and drying the mixture after the reaction is finished to obtain modified graphene;
3) mixing the modified graphene, the carbon nano tube, the carbon fiber and the metal element filler A, adding the mixture into a mixing roll, melting and mixing, and mixing for 1 hour at the mixing temperature of 180 ℃;
4) placing the mixed raw materials in a vacuum hot press for hot pressing to form a first composite layer;
preparation of second and second composite layer
1) Putting nickel, boron carbide and metal element filler into a quartz container respectively, and then putting the quartz container into a vacuum drying oven for drying;
2) mixing nickel, boron carbide and a metal element filler, placing the mixture in a ball mill, carrying out ball milling at the ball milling rotation speed of 500r/min for 20min, and sieving the mixture through a 300-mesh sieve after ball milling to obtain mixed powder A;
3) grinding the mixed powder A and the aromatic compound, adding the ground mixed powder A and the aromatic compound into an extruder, extruding the mixed powder A into a plurality of metal sheets, heating the metal sheets in a stacking manner, and pressing the metal sheets into a second composite layer in a vacuum hot press;
preparation of third and third composite layer
1) Mixing the non-woven fabric material with the conductive fibers, pouring the mixture into the adhesive, and stirring and mixing to obtain a mixture B;
2) putting the mixture B into a mixing roll, mixing for 30 minutes at the mixing temperature of 120 ℃, and then putting the mixture B into a mold for cooling to prepare a third adhesive composite layer;
fourthly, material forming
1) Hot-pressing the first composite layer at the outer side of the second composite layer, wherein the hot-pressing temperature is 150 ℃;
2) and attaching the third composite layer to the inner side of the second composite layer, and thermally pressing and bonding the third composite layer to the inner side of the second composite layer at the thermal pressing temperature of 100 ℃.
Example 3
The nickel-based boron carbide composite packaging material comprises the following raw materials in parts by weight from outside to inside:
a first composite layer: 28 parts of graphene, 8 parts of a modifier, 12 parts of carbon nanotubes, 12 parts of carbon fibers and 4 parts of a metal element filler A;
a second composite layer: 40 parts of nickel, 7 parts of boron carbide, 6 parts of metal element filler B and 12 parts of aromatic compound;
a third composite layer: 12 parts of non-woven fabric material, 8 parts of conductive fiber and 12 parts of adhesive.
Wherein the modifier is a modified impregnant prepared from TEDA.
The metal element filler A comprises lead oxide powder, bismuth oxide powder, metal tungsten powder, metal lanthanum powder, metal strontium powder and metal cerium powder. The metal element filler B comprises metal gadolinium powder, metal ytterbium powder, metal yttrium powder, metal europium powder, metal thorium powder, metal terbium powder, metal thulium powder, metal holmium powder, metal lutetium powder and metal erbium powder. The aromatic compound comprises dihalo salicylic acid, dihalo benzenediol, dichlorobiphenyl diphenol and dihalo benzenedicarboxylic acid. The non-woven fabric material is polypropylene fiber, polyester fiber, viscose fiber, acrylic fiber and polyamide fiber, the conductive fiber is polyacrylic acid, and the adhesive is polyamide.
A preparation method of a nickel-based boron carbide composite packaging material comprises the following specific preparation steps:
first, first composite layer preparation
1) Firstly, drying graphene at the temperature of 110 ℃ for 4 hours to obtain dried graphene;
2) mixing the dried graphene and a modifier, adding the mixture into a reaction kettle, heating the mixture to 135 ℃, stirring the mixture for reaction for 2 hours, and drying the mixture after the reaction is finished to obtain modified graphene;
3) mixing the modified graphene, the carbon nano tube, the carbon fiber 1 and the metal element filler A, adding the mixture into a mixing roll, melting and mixing, and mixing for 2 hours at the mixing temperature of 170 ℃;
4) placing the mixed raw materials in a vacuum hot press for hot pressing to form a first composite layer;
preparation of second and second composite layer
1) Putting nickel, boron carbide and metal element filler into a quartz container respectively, and then putting the quartz container into a vacuum drying oven for drying;
2) mixing nickel, boron carbide and a metal element filler, placing the mixture in a ball mill, carrying out ball milling at the ball milling rotation speed of 400r/min for 25min, and sieving the mixture through a 300-mesh sieve after ball milling to obtain mixed powder A;
3) grinding the mixed powder A and the aromatic compound, adding the ground mixed powder A and the aromatic compound into an extruder, extruding the mixed powder A into a plurality of metal sheets, heating the metal sheets in a stacking manner, and pressing the metal sheets into a second composite layer in a vacuum hot press;
preparation of third and third composite layer
1) Mixing the non-woven fabric material with the conductive fibers, pouring the mixture into the adhesive, and stirring and mixing to obtain a mixture B;
2) putting the mixture B into a mixing mill, mixing for 45 minutes at the mixing temperature of 100 ℃, and then putting the mixture B into a mold for cooling to prepare a third adhesive composite layer;
fourthly, material forming
1) Hot-pressing the first composite layer at the outer side of the second composite layer, wherein the hot-pressing temperature is 130 ℃;
2) and sticking the third composite layer on the inner side of the second composite layer, and hot-pressing and bonding the third composite layer on the inner side of the second composite layer at the hot-pressing temperature of 90 ℃.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The nickel-based boron carbide composite packaging material is characterized in that: the composition comprises the following raw materials in parts by weight from outside to inside:
a first composite layer: 25-30 parts of graphene, 5-10 parts of a modifier, 10-15 parts of carbon nanotubes, 10-15 parts of carbon fibers and 2-5 parts of a metal element filler A;
a second composite layer: 30-45 parts of nickel, 5-8 parts of boron carbide, 5-8 parts of metal element filler B and 10-15 parts of aromatic compound;
a third composite layer: 10-15 parts of non-woven fabric material, 5-10 parts of conductive fiber and 10-15 parts of adhesive.
2. The nickel-based boron carbide composite packaging material of claim 1, wherein: the modifier is a modified impregnant prepared from TEDA.
3. The nickel-based boron carbide composite packaging material of claim 1, wherein: the metal element filler A comprises at least two mixtures of lead oxide powder, bismuth oxide powder, metal tungsten powder, metal lanthanum powder, metal strontium powder and metal cerium powder.
4. The nickel-based boron carbide composite packaging material of claim 1, wherein: the metal element filler B comprises at least four mixtures of metal gadolinium powder, metal ytterbium powder, metal yttrium powder, metal europium powder, metal thorium powder, metal terbium powder, metal thulium powder, metal holmium powder, metal lutetium powder and metal erbium powder.
5. The nickel-based boron carbide composite packaging material of claim 1, wherein: the aromatic compound comprises at least two mixtures of dihalosalicylic acid, dihalobenzenediol, dichlorodiphenyldiol and dihalobenzenedicarboxylic acid.
6. The nickel-based boron carbide composite packaging material of claim 1, wherein: the non-woven fabric material is at least one of polypropylene fiber, polyester fiber, viscose fiber, acrylic fiber or polyamide fiber, the conductive fiber is polyacrylic acid or organic silicon, and the adhesive is polyamide.
7. A preparation method of a nickel-based boron carbide composite packaging material is characterized by comprising the following steps: the preparation method comprises the following specific steps:
first, first composite layer preparation
1) Firstly, drying graphene at the temperature of 100-120 ℃ for 2-5 hours to obtain dried graphene;
2) mixing the dried graphene and a modifier, adding the mixture into a reaction kettle, heating the mixture to the temperature of 120 ℃ and 150 ℃, stirring the mixture for reaction for 1 to 3 hours, and drying the mixture after the reaction is finished to obtain modified graphene;
3) mixing the modified graphene, the carbon nano tube, the carbon fiber and the metal element filler A, adding the mixture into a mixing roll to be melted and mixed, and mixing for 1-3 hours at the mixing temperature of 150 ℃ and 180 ℃;
4) placing the mixed raw materials in a vacuum hot press for hot pressing to form a first composite layer;
preparation of second and second composite layer
1) Putting nickel, boron carbide and metal element filler into a quartz container respectively, and then putting the quartz container into a vacuum drying oven for drying;
2) mixing nickel, boron carbide and a metal element filler, placing the mixture in a ball mill for ball milling at the ball milling rotation speed of 300-;
3) grinding the mixed powder A and the aromatic compound, adding the ground mixed powder A and the aromatic compound into an extruder, extruding the mixed powder A into a plurality of metal sheets, heating the metal sheets in a stacking manner, and pressing the metal sheets into a second composite layer in a vacuum hot press;
preparation of third and third composite layer
1) Mixing the non-woven fabric material with the conductive fibers, pouring the mixture into the adhesive, and stirring and mixing to obtain a mixture B;
2) putting the mixture B into a mixing roll, mixing for 30-60 minutes at the mixing temperature of 80-120 ℃, and then putting the mixture B into a mould for cooling to prepare a third adhesive composite layer;
fourthly, material forming
1) Hot-pressing the first composite layer at the outer side of the second composite layer at the hot-pressing temperature of 120-;
2) and sticking the third composite layer on the inner side of the second composite layer, and hot-pressing and bonding the third composite layer on the inner side of the second composite layer at the hot-pressing temperature of 80-100 ℃.
8. The preparation method of the nickel-based boron carbide composite packaging material according to claim 7, characterized by comprising the following steps: the modifier is a TEDA adsorption material, TEDA is added into a horizontal rotary furnace, the rotation and the stirring are carried out uniformly, then the horizontal rotary furnace is started to heat, the temperature is increased to 110-.
9. The preparation method of the nickel-based boron carbide composite packaging material according to claim 1, characterized by comprising the following steps: the pressure of the vacuum hot press in the first composite layer preparation and the second composite layer preparation is 30-50Pa, and the hot pressing pressure is 40-60 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110134874.6A CN112937014B (en) | 2021-01-29 | 2021-01-29 | Nickel-based boron carbide composite packaging material and preparation method thereof |
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| CN202110134874.6A CN112937014B (en) | 2021-01-29 | 2021-01-29 | Nickel-based boron carbide composite packaging material and preparation method thereof |
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