CN106930466A - One kind electromagnetic shielding wallboard and its manufacture method - Google Patents
One kind electromagnetic shielding wallboard and its manufacture method Download PDFInfo
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- CN106930466A CN106930466A CN201710166783.4A CN201710166783A CN106930466A CN 106930466 A CN106930466 A CN 106930466A CN 201710166783 A CN201710166783 A CN 201710166783A CN 106930466 A CN106930466 A CN 106930466A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/023—Alloys based on nickel
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0862—Nickel
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B2001/925—Protection against harmful electro-magnetic or radio-active radiations, e.g. X-rays
Abstract
One kind electromagnetic shielding wallboard and its manufacture method, electromagnetic shielding wallboard includes concrete prefabricated substrate, its side is stained with nickel alloy hole pattern thin plate, it is plastering sand pulp layer outside nickel alloy hole pattern thin plate, screen rubber coating is coated outside plastering sand pulp layer, butadiene rubber shielding coating provided by the present invention, using polyurethane resin and styrene-acrylic emulsion as organic carrier.Compared with traditional epoxy resin solvent based coating, the coating obtains more preferably shield effectiveness, blanc fixe, carbon black and nickel powder, is dispersed in overlapped in coating, so as to form close conductive network, electric conductivity is greatly improved.Additionally due to long-term electromagenetic wave radiation can cause damage to coating organic binder matter, coating is cracking, and butadiene rubber can effectively improve the toughness of coating, increases coating life.
Description
Technical field
The present invention relates to a kind of electromagnetic shielding wallboard and its manufacture method, belongs to building material field.
Background technology
It is well known that developing rapidly and its extensive use with electronic technology, electromagnetic radiation pollution public hazards be without when without
It is outer non-existent.Around TV and Radio Service underfooting, microwave station and radar station in city, signal centre nearby, electric railway
Building by both sides, radio-frequency apparatus surrounding and overlooking road, is all the heavier area of far zone field electromagnetic radiation pollution, indoor in addition
The electromagnetic wave that electrical equipment is produced is also the harm that can not ignore.The wall of common building thing is to stop not living electromagnetic radiation；
Therefore, it is necessary to take corresponding shielding measure.Prior art cannot meet reality need, and suddenly waiting to find has electro-magnetic screen function
Wallboard.
The content of the invention
In order to solve the problems, such as that prior art deadlight capability of electromagnetic shielding is relatively low in the prior art, offer of the invention
Electromagnetic shielding wallboard and its manufacture method are planted, to solve above mentioned problem.
A kind of manufacture method for being electromagnetically shielded wallboard, electromagnetic shielding wallboard includes concrete prefabricated substrate, the adhesion of its side
There is nickel alloy hole pattern thin plate, be plastering sand pulp layer outside nickel alloy hole pattern thin plate, screen rubber coating is coated outside plastering sand pulp layer,
Electromagnetic shielding wallboard manufacture method is comprised the following steps：
Weight portion is first according to by polyurethane resin 70-80 parts, styrene-acrylic emulsion 10-20 parts, butadiene rubber 20-25 parts, acetic acid second
Ester 60-100 parts, dimethylbenzene 20-40 parts is put into agitator and is warming up to 35 DEG C and mixed, mixing speed 300-400rpm, mixing
After uniform, after adding 10-15 parts of blanc fixe, 10-15 parts and nickel powder 20-30 parts of white carbon powder, it is cooled to 30 DEG C and is incubated 20 points
Clock, is subsequently added dibutyl tin laurate 2-5 parts, dipropylene glycol methyl ether 2-4 parts and isocyanates 1-2 parts and is uniformly mixing to obtain
Screen rubber paint,
Nickel alloy hole pattern thin plate includes following element weight/mass percentage composition composition：Sn 5-8 ﹪, Zn 3-4 ﹪, Zr 0.8-1 ﹪,
Pb 0.5-0.6 ﹪, Ba 0.5-0.6 ﹪, Ag 0.3-0.4 ﹪, Ti 0.1-0.2 ﹪, Nb 0.1-0.2 ﹪, Mn 0.05-
, be put into raw material in vacuum melting furnace according to proportioning by 0.06 ﹪, W 0.02-0.03 ﹪, balance of Ni, and smelting temperature is 1530-
1550 DEG C, after being completely melt, temperature is down to 1480-1490 DEG C, keeps furnace temperature 15 minutes, is then poured into a mould, and obtains ingot casting, with
Ingot casting is put into afterwards is heated to 1200-1250 DEG C in heat-treatment furnace, insulation is forged after 10-15 minutes, upsetting pull is at least repeatedly
Twice, 1100-1120 DEG C of final forging temperature, is incubated forging 1-2 hours and naturally cools to room temperature at 980-1000 DEG C afterwards, it
Forging is heated into 1000-1050 DEG C again afterwards carries out roughing, and roughing speed is 0.5-1 meter per seconds, and finishing temperature is 900-920
DEG C, roughing plate thickness 1.5-2.5mm, roughing plate is incubated 30 minutes at 850-880 DEG C, carries out finish rolling, finish rolling to roughing plate afterwards
At 820-840 DEG C, finishing speeds are 0.7-0.9 meter per seconds for start rolling temperature control, and finishing temperature is 710-720 DEG C, finish rolling plate thin and thick
Degree 0.5-1mm, is punched out using numerical control stamping hole pattern machine to planished sheet, obtains the nickel alloy hole pattern for 5-10mm with aperture
Sheet billet, aperture is 5-10mm, and nickel alloy hole pattern sheet billet is cut as needed, and the nickel alloy hole pattern of well cutting is thin
Plate is heated to 750-800 DEG C, is incubated 30-40 minutes, obtains final nickel alloy hole pattern thin plate, and nickel alloy hole pattern thin plate is used
Adhesive is covered on concrete prefabricated substrate, and motar is stirred with water, and motar is with water quality ratio：1:
0.3-0.5, is coated on formation plastering sand pulp layer on nickel alloy hole pattern thin plate, and the screen rubber paint that will have been configured is sprayed on plastering sand
Screen rubber coating is formed in pulp layer, obtains being electromagnetically shielded wallboard.
A kind of manufacture method of described electromagnetic shielding wallboard, motar is with water quality ratio：1:0.3-0.5.
A kind of manufacture method of described electromagnetic shielding wallboard, the circular port that punching is obtained, aperture is 8mm.
A kind of manufacture method of described electromagnetic shielding wallboard, at 830 DEG C, mill speed is the control of finish rolling start rolling temperature
0.8 meter per second, finishing temperature is 710-720 DEG C.
A kind of manufacture method of described electromagnetic shielding wallboard, 1120 DEG C of final forging temperature.
A kind of manufacture method of described electromagnetic shielding wallboard, motar includes（Mass parts）：Sulphate aluminium cement
100-150 parts, gypsum 10-20 parts, sand 100-120 parts, steel fibre 10-30 parts, lead powder 10-15 parts, iron powder 5-10 parts, bismuthine
Powder 5-7 parts, borax 3-4 parts, polyvinyl alcohol 2-5 parts.
A kind of manufacture method of described electromagnetic shielding wallboard, motar includes（Mass parts）：Sulphate aluminium cement 120
Part, 16 parts of gypsum, 110 parts of sand, 25 parts of steel fibre, lead powder 10,8 parts of iron powder, 5 parts of bismuthine powder, 4 parts of borax, polyvinyl alcohol 3
Part.
A kind of manufacture method of described electromagnetic shielding wallboard, first by 75 parts of polyurethane resin, 14 parts of styrene-acrylic emulsion is suitable
22 parts of buna, 80 parts of ethyl acetate, 35 parts of dimethylbenzene are put into agitator and are warming up to 35 DEG C and mixed, mixing speed 300-
400rpm, after being well mixed, after adding 25 parts of 12 parts of blanc fixe, 10 parts of white carbon powder and nickel powder, is cooled to 30 DEG C of insulations 20
Minute, 2 parts of dibutyl tin laurate is subsequently added, 1 part of 3 parts of dipropylene glycol methyl ether and isocyanates are uniformly mixing to obtain shielding
Rubberbase paint.
One kind electromagnetic shielding wallboard, electromagnetic shielding wallboard includes concrete prefabricated substrate, and its side is stained with nickel alloy hole
Net thin plate, is plastering sand pulp layer outside nickel alloy hole pattern thin plate, and screen rubber coating is coated outside plastering sand pulp layer,
Electromagnetic shielding wallboard manufacture method is comprised the following steps：
Weight portion is first according to by polyurethane resin 70-80 parts, styrene-acrylic emulsion 10-20 parts, butadiene rubber 20-25 parts, acetic acid second
Ester 60-100 parts, dimethylbenzene 20-40 parts is put into agitator and is warming up to 35 DEG C and mixed, mixing speed 300-400rpm, mixing
After uniform, after adding 10-15 parts of blanc fixe, 10-15 parts and nickel powder 20-30 parts of white carbon powder, it is cooled to 30 DEG C and is incubated 20 points
Clock, is subsequently added dibutyl tin laurate 2-5 parts, dipropylene glycol methyl ether 2-4 parts and isocyanates 1-2 parts and is uniformly mixing to obtain
Screen rubber paint,
Nickel alloy hole pattern thin plate includes following element weight/mass percentage composition composition：Sn 5-8 ﹪, Zn 3-4 ﹪, Zr 0.8-1 ﹪,
Pb 0.5-0.6 ﹪, Ba 0.5-0.6 ﹪, Ag 0.3-0.4 ﹪, Ti 0.1-0.2 ﹪, Nb 0.1-0.2 ﹪, Mn 0.05-
, be put into raw material in vacuum melting furnace according to proportioning by 0.06 ﹪, W 0.02-0.03 ﹪, balance of Ni, and smelting temperature is 1530-
1550 DEG C, after being completely melt, temperature is down to 1480-1490 DEG C, keeps furnace temperature 15 minutes, is then poured into a mould, and obtains ingot casting, with
Ingot casting is put into afterwards is heated to 1200-1250 DEG C in heat-treatment furnace, insulation is forged after 10-15 minutes, upsetting pull is at least repeatedly
Twice, 1100-1120 DEG C of final forging temperature, is incubated forging 1-2 hours and naturally cools to room temperature at 980-1000 DEG C afterwards, it
Forging is heated into 1000-1050 DEG C again afterwards carries out roughing, and roughing speed is 0.5-1 meter per seconds, and finishing temperature is 900-920
DEG C, roughing plate thickness 1.5-2.5mm, roughing plate is incubated 30 minutes at 850-880 DEG C, carries out finish rolling, finish rolling to roughing plate afterwards
At 820-840 DEG C, finishing speeds are 0.7-0.9 meter per seconds for start rolling temperature control, and finishing temperature is 710-720 DEG C, finish rolling plate thin and thick
Degree 0.5-1mm, is punched out using numerical control stamping hole pattern machine to planished sheet, obtains the nickel alloy hole pattern for 5-10mm with aperture
Sheet billet, aperture is 5-10mm, and nickel alloy hole pattern sheet billet is cut as needed, and the nickel alloy hole pattern of well cutting is thin
Plate is heated to 750-800 DEG C, is incubated 30-40 minutes, obtains final nickel alloy hole pattern thin plate, and nickel alloy hole pattern thin plate is used
Adhesive is covered on concrete prefabricated substrate, and motar is stirred with water, and motar is with water quality ratio：1:
0.3-0.5, is coated on formation plastering sand pulp layer on nickel alloy hole pattern thin plate, and the screen rubber paint that will have been configured is sprayed on plastering sand
Screen rubber coating is formed in pulp layer, obtains being electromagnetically shielded wallboard.
Motar includes：Sulphate aluminium cement 100-150 parts, gypsum 10-20 parts, sand 100-120 parts, steel fibre 10-
30 parts, lead powder 10-15 parts, iron powder 5-10 parts, 5-7 parts of bismuthine powder, borax 3-4 parts, polyvinyl alcohol 2-5 parts,
Concrete prefabricated substrate opposite side can also have insulating layer of external wall or decorative coveringn.
Butadiene rubber shielding coating provided by the present invention, using polyurethane resin and styrene-acrylic emulsion as organic carrier.
Compared with traditional epoxy resin solvent based coating, the coating obtains more preferably shield effectiveness, blanc fixe, carbon black and nickel
Powder, is dispersed in overlapped in coating, so as to form close conductive network, electric conductivity is greatly improved.Additionally due to long-term
Electromagenetic wave radiation can cause damage to coating organic binder matter, and coating is cracking, and butadiene rubber can effectively improve coating
Toughness, increase coating life.Motar of the present invention is reached by superfine lead powder, iron powder, bismuthine powder, borax collective effect
Shielding action, effectively weaken radioactive radiation, and network, lead powder, bismuthine are shielded by by being formed by steel fibre
Powder, borax is filled to it, forms equally distributed shielding solid space between component, improves shield effectiveness, nickel of the present invention
Alloying component causes that nickel alloy hole pattern thin plate has good electric conductivity, and roughing+finish rolling+Technology for Heating Processing causes nickel alloy tissue
More uniform, there is not thick phenomenon in crystal grain, and cellular structure meets shielding requirements, and reaches the ventilative effect of the entirety of wall
Really, thin plate has hardness increase wall overall mechanical strength higher.The present invention passes through nickel alloy hole pattern thin plate from the inside to the outside,
Coat of plaster, shielding coating collaboration is overall all reached improve wall from low frequency tremendously high frequency shield effectiveness.
Brief description of the drawings
Fig. 1 is electromagnetic shielding panel cross section schematic diagram.
Specific embodiment
As shown in figure 1, a kind of manufacture method for being electromagnetically shielded wallboard, being electromagnetically shielded wallboard includes concrete prefabricated substrate 1,
Its side is stained with nickel alloy hole pattern thin plate 2, is plastering sand pulp layer 3 outside nickel alloy hole pattern thin plate, and screen is coated outside plastering sand pulp layer
Rubber coating 4 is covered,
Embodiment 1
One kind electromagnetic shielding wallboard and its manufacture method, electromagnetic shielding wallboard include concrete prefabricated substrate, and its side is stained with
Nickel alloy hole pattern thin plate, is plastering sand pulp layer outside nickel alloy hole pattern thin plate, and screen rubber coating is coated outside plastering sand pulp layer,
Electromagnetic shielding wallboard manufacture method is comprised the following steps：
Weight portion is first according to by 73 parts of polyurethane resin, 12 parts of styrene-acrylic emulsion, 21 parts of butadiene rubber, 80 parts of ethyl acetate, two
25 parts of toluene is put into agitator and is warming up to 35 DEG C and mixed, mixing speed 300-400rpm, after being well mixed, adds barite
After 20 parts of powder 10-15 parts, 14 parts of white carbon powder and nickel powder, it is cooled to 30 DEG C and is incubated 20 minutes, is subsequently added the fourth of tin dilaurate two
5 parts of base tin, 1 part of 2 parts of dipropylene glycol methyl ether and isocyanates are uniformly mixing to obtain screen rubber paint,
Nickel alloy hole pattern thin plate includes following element weight/mass percentage composition composition：Sn 6 ﹪, Zn 3 ﹪, Zr 0.8 ﹪, Pb
0.55 ﹪, Ba 0.6 ﹪, Ag 0.35 ﹪, Ti 0.15 ﹪, Nb 0.1 ﹪, Mn 0.055 ﹪, W 0.025 ﹪, balance of Ni,
Raw material is put into vacuum melting furnace according to proportioning, smelting temperature is 1530-1550 DEG C, and after being completely melt, temperature is down to 1480-
1490 DEG C, keep furnace temperature 15 minutes, then poured into a mould, obtain ingot casting, then ingot casting is put into heat-treatment furnace and is heated to
1200-1250 DEG C, insulation 10-15 minutes after forged, repeatedly upsetting pull at least twice, 1100-1120 DEG C of final forging temperature, afterwards
Forging is incubated 1-2 hours at 980-1000 DEG C and naturally cools to room temperature, forging is heated to 1000-1050 DEG C again afterwards
Roughing is carried out, roughing speed is 0.5-1 meter per seconds, and finishing temperature is 900-920 DEG C, roughing plate thickness 1.5-2.5mm, roughing plate
30 minutes are incubated at 850-880 DEG C, finish rolling is carried out to roughing plate afterwards, the control of finish rolling start rolling temperature is in 820-840 DEG C, finish rolling speed
It is 0.7-0.9 meter per seconds to spend, and finishing temperature is 710-720 DEG C, finish rolling plate minimal thickness 0.5-1mm, using numerical control stamping hole pattern machine to essence
Roll thin plate to be punched out, obtain the nickel alloy hole pattern sheet billet for 5-10mm with aperture, aperture is 5-10mm, right as needed
Nickel alloy hole pattern sheet billet is cut, by the nickel alloy hole pattern thin plate heating of well cutting to 750-800 DEG C, 30-40 points of insulation
Clock, obtains final nickel alloy hole pattern thin plate, and nickel alloy hole pattern thin plate is covered on concrete prefabricated substrate using adhesive,
Motar is stirred with water, motar is with water quality ratio：1:0.3-0.5, is coated on nickel alloy hole pattern thin plate
Plastering sand pulp layer is formed, the screen rubber paint that will have been configured is sprayed on formation screen rubber coating in plastering sand pulp layer, obtains electricity
Magnetic screen wallboard,
Motar includes：130 parts of sulphate aluminium cement, 18 parts of gypsum, 115 parts of sand, 20 parts of steel fibre, 12 parts of lead powder, iron powder 6
Part, 6 parts of bismuthine powder, 3.5 parts of borax, 3 parts of polyvinyl alcohol.
Embodiment 2
One kind electromagnetic shielding wallboard and its manufacture method, electromagnetic shielding wallboard include concrete prefabricated substrate, and its side is stained with
Nickel alloy hole pattern thin plate, is plastering sand pulp layer outside nickel alloy hole pattern thin plate, and screen rubber coating is coated outside plastering sand pulp layer,
Electromagnetic shielding wallboard manufacture method is comprised the following steps：
Weight portion is first according to by 73 parts of polyurethane resin, 18 parts of styrene-acrylic emulsion, 25 parts of butadiene rubber, 90 parts of ethyl acetate, two
30 parts of toluene is put into agitator and is warming up to 35 DEG C and mixed, mixing speed 300-400rpm, after being well mixed, adds barite
After 29 parts of 11 parts of powder, 14 parts of white carbon powder and nickel powder, it is cooled to 30 DEG C and is incubated 20 minutes, is subsequently added dibutyl tin laurate
4 parts, 2 parts of 3 parts of dipropylene glycol methyl ether and isocyanates are uniformly mixing to obtain screen rubber paint,
Nickel alloy hole pattern thin plate includes following element weight/mass percentage composition composition：Sn 7 ﹪, Zn 4 ﹪, Zr 1 ﹪, Pb
0.55 ﹪, Ba 0.6 ﹪, Ag 0.4 ﹪, Ti 0.15 ﹪, Nb 0.15 ﹪, Mn 0.06 ﹪, W 0.02 ﹪, balance of Ni, press
Raw material is put into vacuum melting furnace according to proportioning, smelting temperature is 1530-1550 DEG C, and after being completely melt, temperature is down to 1480-
1490 DEG C, keep furnace temperature 15 minutes, then poured into a mould, obtain ingot casting, then ingot casting is put into heat-treatment furnace and is heated to
1200-1250 DEG C, insulation 10-15 minutes after forged, repeatedly upsetting pull at least twice, 1100-1120 DEG C of final forging temperature, afterwards
Forging is incubated 1-2 hours at 980-1000 DEG C and naturally cools to room temperature, forging is heated to 1000-1050 DEG C again afterwards
Roughing is carried out, roughing speed is 0.5-1 meter per seconds, and finishing temperature is 900-920 DEG C, roughing plate thickness 1.5-2.5mm, roughing plate
30 minutes are incubated at 850-880 DEG C, finish rolling is carried out to roughing plate afterwards, the control of finish rolling start rolling temperature is in 820-840 DEG C, finish rolling speed
It is 0.7-0.9 meter per seconds to spend, and finishing temperature is 710-720 DEG C, finish rolling plate minimal thickness 0.5-1mm, using numerical control stamping hole pattern machine to essence
Roll thin plate to be punched out, obtain the nickel alloy hole pattern sheet billet for 5-10mm with aperture, aperture is 5-10mm, right as needed
Nickel alloy hole pattern sheet billet is cut, by the nickel alloy hole pattern thin plate heating of well cutting to 750-800 DEG C, 30-40 points of insulation
Clock, obtains final nickel alloy hole pattern thin plate, and nickel alloy hole pattern thin plate is covered on concrete prefabricated substrate using adhesive,
Motar is stirred with water, motar is with water quality ratio：1:0.3-0.5, is coated on nickel alloy hole pattern thin plate
Plastering sand pulp layer is formed, the screen rubber paint that will have been configured is sprayed on formation screen rubber coating in plastering sand pulp layer, obtains electricity
Magnetic screen wallboard,
Motar includes：140 parts of sulphate aluminium cement, 12 parts of gypsum, 115 parts of sand, 15 parts of steel fibre, 13 parts of lead powder, iron powder 6
Part, 7 parts of bismuthine powder, 4 parts of borax, 5 parts of polyvinyl alcohol.
Embodiment 3
One kind electromagnetic shielding wallboard and its manufacture method, electromagnetic shielding wallboard include concrete prefabricated substrate, and its side is stained with
Nickel alloy hole pattern thin plate, is plastering sand pulp layer outside nickel alloy hole pattern thin plate, and screen rubber coating is coated outside plastering sand pulp layer,
Electromagnetic shielding wallboard manufacture method is comprised the following steps：
Weight portion is first according to by 77 parts of polyurethane resin, 18 parts of styrene-acrylic emulsion, 22 parts of butadiene rubber, 80 parts of ethyl acetate, two
35 parts of toluene is put into agitator and is warming up to 35 DEG C and mixed, mixing speed 300-400rpm, after being well mixed, adds barite
After 26 parts of 11 parts of powder, 12 parts of white carbon powder and nickel powder, it is cooled to 30 DEG C and is incubated 20 minutes, is subsequently added dibutyl tin laurate
5 parts, 1 part of 2 parts of dipropylene glycol methyl ether and isocyanates are uniformly mixing to obtain screen rubber paint,
Nickel alloy hole pattern thin plate includes following element weight/mass percentage composition composition：Sn 5 ﹪, Zn 4 ﹪, Zr 0.85 ﹪, Pb
0.55 ﹪, Ba 0.6 ﹪, Ag 0.3 ﹪, Ti 0.2 ﹪, Nb 0.1 ﹪, Mn 0.05 ﹪, W 0.03 ﹪, balance of Ni, according to
Be put into raw material in vacuum melting furnace by proportioning, and smelting temperature is 1530-1550 DEG C, and after being completely melt, temperature is down to 1480-1490
DEG C, keep furnace temperature 15 minutes, then poured into a mould, ingot casting is obtained, then ingot casting is put into heat-treatment furnace and is heated to 1200-
1250 DEG C, insulation is forged after 10-15 minutes, and at least twice, 1100-1120 DEG C of final forging temperature afterwards will forging for upsetting pull repeatedly
Part is incubated 1-2 hours and naturally cools to room temperature at 980-1000 DEG C, and forging is heated into 1000-1050 DEG C again afterwards is carried out
Roughing, roughing speed is 0.5-1 meter per seconds, and finishing temperature is 900-920 DEG C, and roughing plate thickness 1.5-2.5mm, roughing plate exists
850-880 DEG C is incubated 30 minutes, carries out finish rolling to roughing plate afterwards, and finish rolling start rolling temperature is controlled in 820-840 DEG C, finishing speeds
It is 0.7-0.9 meter per seconds, finishing temperature is 710-720 DEG C, finish rolling plate minimal thickness 0.5-1mm, using numerical control stamping hole pattern machine to finish rolling
Thin plate is punched out, and obtains the nickel alloy hole pattern sheet billet for 5-10mm with aperture, and aperture is 5-10mm, as needed to nickel
Alloy hole pattern sheet billet is cut, and by the nickel alloy hole pattern thin plate heating of well cutting to 750-800 DEG C, is incubated 30-40 minutes,
Final nickel alloy hole pattern thin plate is obtained, nickel alloy hole pattern thin plate is covered on concrete prefabricated substrate using adhesive, will
Motar stirs with water, and motar is with water quality ratio：1:0.3-0.5, is coated on shape on nickel alloy hole pattern thin plate
Into plastering sand pulp layer, the screen rubber paint that will have been configured is sprayed on formation screen rubber coating in plastering sand pulp layer, obtains electromagnetism
Shielding wallboard,
Motar includes：150 parts of sulphate aluminium cement, 15 parts of gypsum, 105 parts of sand, 15 parts of steel fibre, 14 parts of lead powder, iron powder 9
Part, 6 parts of bismuthine powder, 4 parts of borax, 2 parts of polyvinyl alcohol.
Embodiment 4
One kind electromagnetic shielding wallboard and its manufacture method, electromagnetic shielding wallboard include concrete prefabricated substrate, and its side is stained with
Nickel alloy hole pattern thin plate, is plastering sand pulp layer outside nickel alloy hole pattern thin plate, and screen rubber coating is coated outside plastering sand pulp layer,
Electromagnetic shielding wallboard manufacture method is comprised the following steps：
Weight portion is first according to by 75 parts of polyurethane resin, 13 parts of styrene-acrylic emulsion, 24 parts of butadiene rubber, 65 parts of ethyl acetate, two
28 parts of toluene is put into agitator and is warming up to 35 DEG C and mixed, mixing speed 300-400rpm, after being well mixed, adds barite
After 24 parts of 12 parts of powder, 11 parts of white carbon powder and nickel powder, it is cooled to 30 DEG C and is incubated 20 minutes, is subsequently added dibutyl tin laurate
3 parts, 2 parts of 2 parts of dipropylene glycol methyl ether and isocyanates are uniformly mixing to obtain screen rubber paint,
Nickel alloy hole pattern thin plate includes following element weight/mass percentage composition composition：Sn 6 ﹪, Zn 3 ﹪, Zr 0.8 ﹪, Pb
0.55 ﹪, Ba 0.5 ﹪, Ag 0.35 ﹪, Ti 0.1 ﹪, Nb 0.1 ﹪, Mn 0.05 ﹪, W 0.02 ﹪, balance of Ni, press
Raw material is put into vacuum melting furnace according to proportioning, smelting temperature is 1530-1550 DEG C, and after being completely melt, temperature is down to 1480-
1490 DEG C, keep furnace temperature 15 minutes, then poured into a mould, obtain ingot casting, then ingot casting is put into heat-treatment furnace and is heated to
1200-1250 DEG C, insulation 10-15 minutes after forged, repeatedly upsetting pull at least twice, 1100-1120 DEG C of final forging temperature, afterwards
Forging is incubated 1-2 hours at 980-1000 DEG C and naturally cools to room temperature, forging is heated to 1000-1050 DEG C again afterwards
Roughing is carried out, roughing speed is 0.5-1 meter per seconds, and finishing temperature is 900-920 DEG C, roughing plate thickness 1.5-2.5mm, roughing plate
30 minutes are incubated at 850-880 DEG C, finish rolling is carried out to roughing plate afterwards, the control of finish rolling start rolling temperature is in 820-840 DEG C, finish rolling speed
It is 0.7-0.9 meter per seconds to spend, and finishing temperature is 710-720 DEG C, finish rolling plate minimal thickness 0.5-1mm, using numerical control stamping hole pattern machine to essence
Roll thin plate to be punched out, obtain the nickel alloy hole pattern sheet billet for 5-10mm with aperture, aperture is 5-10mm, right as needed
Nickel alloy hole pattern sheet billet is cut, by the nickel alloy hole pattern thin plate heating of well cutting to 750-800 DEG C, 30-40 points of insulation
Clock, obtains final nickel alloy hole pattern thin plate, and nickel alloy hole pattern thin plate is covered on concrete prefabricated substrate using adhesive,
Motar is stirred with water, motar is with water quality ratio：1:0.3-0.5, is coated on nickel alloy hole pattern thin plate
Plastering sand pulp layer is formed, the screen rubber paint that will have been configured is sprayed on formation screen rubber coating in plastering sand pulp layer, obtains electricity
Magnetic screen wallboard,
Motar includes：140 parts of sulphate aluminium cement, 13 parts of gypsum, 110 parts of sand, 17 parts of steel fibre, 13 parts of lead powder, iron powder 6
Part, 7 parts of bismuthine powder, 3 parts of borax, 3 parts of polyvinyl alcohol.
Embodiment 5
One kind electromagnetic shielding wallboard and its manufacture method, electromagnetic shielding wallboard include concrete prefabricated substrate, and its side is stained with
Nickel alloy hole pattern thin plate, is plastering sand pulp layer outside nickel alloy hole pattern thin plate, and screen rubber coating is coated outside plastering sand pulp layer,
Electromagnetic shielding wallboard manufacture method is comprised the following steps：
Weight portion is first according to by 73 parts of polyurethane resin, 20 parts of styrene-acrylic emulsion, 22 parts of butadiene rubber, 80 parts of ethyl acetate, two
28 parts of toluene is put into agitator and is warming up to 35 DEG C and mixed, mixing speed 300-400rpm, after being well mixed, adds barite
After 22 parts of 13 parts of powder, 15 parts of white carbon powder and nickel powder, it is cooled to 30 DEG C and is incubated 20 minutes, is subsequently added dibutyl tin laurate
3 parts, 1 part of 3 parts of dipropylene glycol methyl ether and isocyanates are uniformly mixing to obtain screen rubber paint,
Nickel alloy hole pattern thin plate includes following element weight/mass percentage composition composition：Sn 6 ﹪, Zn 3.5 ﹪, Zr 0.9 ﹪, Pb
0.5 ﹪, Ba 0.6 ﹪, Ag 0.35 ﹪, Ti 0.15 ﹪, Nb 0.2 ﹪, Mn 0.05 ﹪, W 0.03 ﹪, balance of Ni, press
Raw material is put into vacuum melting furnace according to proportioning, smelting temperature is 1530-1550 DEG C, and after being completely melt, temperature is down to 1480-
1490 DEG C, keep furnace temperature 15 minutes, then poured into a mould, obtain ingot casting, then ingot casting is put into heat-treatment furnace and is heated to
1200-1250 DEG C, insulation 10-15 minutes after forged, repeatedly upsetting pull at least twice, 1100-1120 DEG C of final forging temperature, afterwards
Forging is incubated 1-2 hours at 980-1000 DEG C and naturally cools to room temperature, forging is heated to 1000-1050 DEG C again afterwards
Roughing is carried out, roughing speed is 0.5-1 meter per seconds, and finishing temperature is 900-920 DEG C, roughing plate thickness 1.5-2.5mm, roughing plate
30 minutes are incubated at 850-880 DEG C, finish rolling is carried out to roughing plate afterwards, the control of finish rolling start rolling temperature is in 820-840 DEG C, finish rolling speed
It is 0.7-0.9 meter per seconds to spend, and finishing temperature is 710-720 DEG C, finish rolling plate minimal thickness 0.5-1mm, using numerical control stamping hole pattern machine to essence
Roll thin plate to be punched out, obtain the nickel alloy hole pattern sheet billet for 5-10mm with aperture, aperture is 5-10mm, right as needed
Nickel alloy hole pattern sheet billet is cut, by the nickel alloy hole pattern thin plate heating of well cutting to 750-800 DEG C, 30-40 points of insulation
Clock, obtains final nickel alloy hole pattern thin plate, and nickel alloy hole pattern thin plate is covered on concrete prefabricated substrate using adhesive,
Motar is stirred with water, motar is with water quality ratio：1:0.3-0.5, is coated on nickel alloy hole pattern thin plate
Plastering sand pulp layer is formed, the screen rubber paint that will have been configured is sprayed on formation screen rubber coating in plastering sand pulp layer, obtains electricity
Magnetic screen wallboard,
Motar includes：100 parts of sulphate aluminium cement, 15 parts of gypsum, 115 parts of sand, 12 parts of steel fibre, 14 parts of lead powder, iron powder 6
Part, 5 parts of bismuthine powder, 4 parts of borax, 3 parts of polyvinyl alcohol.
By MIL-STD-285:1956《For the electromagnetic shielding environmental attenuation method of electronic test》Relevant regulations, by simulation
Method experiment is tested the wallboard in the present invention using medium wave, shortwave, ultrashort wave, microwave, such as table 1 below：
| Test frequency (MHz) | Wallboard shield effectiveness SE (dB) of the present invention | The common wallboard shield effectiveness SE (dB) of prior art |
| 0.8 | 55.6 | 6 |
| 20 | 54.2 | 6 |
| 100 | 52.4 | 6 |
| 200 | 51.5 | 5 |
| 800 | 47.6 | 4 |
| 1500 | 45.2 | 2 |
| 3000 | 42.4 | 2 |
Table 2：Shielding coating performance test
| Test event | Testing standard | Test result |
| Adhesive force（Level） | GB/T1720-79 | 1 |
| Hardness（Pencil） | GB/T6739-1996 | 2H |
| Weatherability | GB/T1865 | 800 hours non-foaming without stripping |
| Water resistance, soak 48h | GB/T1733-93 | Without significant change |
| Pliability, mm | GB/T1731-93 | 2 |
| Impact resistance kg/cm | GB/T1732-93 | 50 |
Table 3：Motar performance test
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Thermal conductivity factor W/ (mK) | 0.37 | 0.40 | 0.39 | 0.40 | 0.42 |
| Shrinkage factor, % | 0.20 | 0.19 | 0.21 | 0.22 | 0.21 |
| 28 days adhesion strength MPa | 0.45 | 0.44 | 0.42 | 0.40 | 0.51 |
| Compression strength, MPa | 2.74 | 2.67 | 2.63 | 2.64 | 2.60 |
Table 4：Nickel alloy hole pattern thin plate performance test
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Hardness number（HV） | 85 | 90 | 82 | 80 | 74 |
| Resistivity is Ω mm2/m. | 0.054 | 0.042 | 0.047 | 0.052 | 0.047 |
Butadiene rubber shielding coating provided by the present invention, using polyurethane resin and styrene-acrylic emulsion as organic carrier.With biography
The epoxy resin solvent based coating of system is compared, coating acquisition more preferably shield effectiveness, blanc fixe, carbon black and nickel powder,
It is dispersed in overlapped in coating, so as to form close conductive network, electric conductivity is greatly improved.Additionally due to long-term electromagnetism
Wave radiation can cause damage to coating organic binder matter, and coating is cracking, and butadiene rubber can effectively improve the tough of coating
Property, increase coating life.Motar of the present invention is by superfine lead powder, iron powder, bismuthine powder, the screen that borax collective effect reaches
The effect of covering, effectively weakens radioactive radiation, and form shielding network, lead powder, bismuthine powder, boron by by by steel fibre
Sand is filled to it, formed component between equally distributed shielding solid space, improve shield effectiveness, nickel alloy of the present invention into
Divide and cause that nickel alloy hole pattern thin plate has good electric conductivity, roughing+finish rolling+Technology for Heating Processing causes that nickel alloy tissue is more equal
Even, there is not thick phenomenon in crystal grain, and cellular structure meets shielding requirements, and reaches the overall air permeable effect of wall, thin
Plate has hardness increase wall overall mechanical strength higher.The present invention is plastered by nickel alloy hole pattern thin plate from the inside to the outside
Layer, shielding coating collaboration is overall all reached improve wall from low frequency tremendously high frequency shield effectiveness.
Claims (9)
1. it is a kind of be electromagnetically shielded wallboard manufacture method, electromagnetic shielding wallboard include concrete prefabricated substrate, its side is stained with
Nickel alloy hole pattern thin plate, is plastering sand pulp layer outside nickel alloy hole pattern thin plate, and screen rubber coating is coated outside plastering sand pulp layer,
Electromagnetic shielding wallboard manufacture method is comprised the following steps：
Weight portion is first according to by polyurethane resin 70-80 parts, styrene-acrylic emulsion 10-20 parts, butadiene rubber 20-25 parts, acetic acid second
Ester 60-100 parts, dimethylbenzene 20-40 parts is put into agitator and is warming up to 35 DEG C and mixed, mixing speed 300-400rpm, mixing
After uniform, after adding 10-15 parts of blanc fixe, 10-15 parts and nickel powder 20-30 parts of white carbon powder, it is cooled to 30 DEG C and is incubated 20 points
Clock, is subsequently added dibutyl tin laurate 2-5 parts, dipropylene glycol methyl ether 2-4 parts and isocyanates 1-2 parts and is uniformly mixing to obtain
Screen rubber paint,
Nickel alloy hole pattern thin plate includes following element weight/mass percentage composition composition：Sn 5-8 ﹪, Zn 3-4 ﹪, Zr 0.8-1 ﹪,
Pb 0.5-0.6 ﹪, Ba 0.5-0.6 ﹪, Ag 0.3-0.4 ﹪, Ti 0.1-0.2 ﹪, Nb 0.1-0.2 ﹪, Mn 0.05-
, be put into raw material in vacuum melting furnace according to proportioning by 0.06 ﹪, W 0.02-0.03 ﹪, balance of Ni, and smelting temperature is 1530-
1550 DEG C, after being completely melt, temperature is down to 1480-1490 DEG C, keeps furnace temperature 15 minutes, is then poured into a mould, and obtains ingot casting, with
Ingot casting is put into afterwards is heated to 1200-1250 DEG C in heat-treatment furnace, insulation is forged after 10-15 minutes, upsetting pull is at least repeatedly
Twice, 1100-1120 DEG C of final forging temperature, is incubated forging 1-2 hours and naturally cools to room temperature at 980-1000 DEG C afterwards, it
Forging is heated into 1000-1050 DEG C again afterwards carries out roughing, and roughing speed is 0.5-1 meter per seconds, and finishing temperature is 900-920
DEG C, roughing plate thickness 1.5-2.5mm, roughing plate is incubated 30 minutes at 850-880 DEG C, carries out finish rolling, finish rolling to roughing plate afterwards
At 820-840 DEG C, finishing speeds are 0.7-0.9 meter per seconds for start rolling temperature control, and finishing temperature is 710-720 DEG C, finish rolling plate thin and thick
Degree 0.5-1mm, is punched out using numerical control stamping hole pattern machine to planished sheet, obtains the nickel alloy hole pattern for 5-10mm with aperture
Sheet billet, aperture is 5-10mm, and nickel alloy hole pattern sheet billet is cut as needed, and the nickel alloy hole pattern of well cutting is thin
Plate is heated to 750-800 DEG C, is incubated 30-40 minutes, obtains final nickel alloy hole pattern thin plate, and nickel alloy hole pattern thin plate is used
Adhesive is covered on concrete prefabricated substrate, and motar is stirred with water, and motar is with water quality ratio：1:
0.3-0.5, is coated on formation plastering sand pulp layer on nickel alloy hole pattern thin plate, and the screen rubber paint that will have been configured is sprayed on plastering sand
Screen rubber coating is formed in pulp layer, obtains being electromagnetically shielded wallboard.
2. a kind of manufacture method for being electromagnetically shielded wallboard as claimed in claim 1, motar is with water quality ratio：1:0.3-
0.5。
3. a kind of manufacture method for being electromagnetically shielded wallboard as claimed in claim 1, the circular port that punching is obtained, aperture is 8mm.
4. a kind of manufacture method for being electromagnetically shielded wallboard as claimed in claim 1, finish rolling start rolling temperature is controlled at 830 DEG C, rolled
Speed processed is 0.8 meter per second, and finishing temperature is 710-720 DEG C.
5. a kind of manufacture method for being electromagnetically shielded wallboard as claimed in claim 1,1120 DEG C of final forging temperature.
6. a kind of manufacture method for being electromagnetically shielded wallboard as claimed in claim 1, motar includes（Mass parts）：Sulphur aluminic acid
Salt cement 100-150 parts, gypsum 10-20 parts, sand 100-120 parts, steel fibre 10-30 parts, lead powder 10-15 parts, iron powder 5-10 parts,
5-7 parts, borax 3-4 parts, polyvinyl alcohol 2-5 parts of bismuthine powder.
7. a kind of manufacture method for being electromagnetically shielded wallboard as claimed in claim 1, motar includes（Mass parts）：Sulphur aluminic acid
120 parts of salt cement, 16 parts of gypsum, 110 parts of sand, 25 parts of steel fibre, lead powder 10,8 parts of iron powder, 5 parts of bismuthine powder, 4 parts of borax gathers
3 parts of vinyl alcohol.
8. a kind of manufacture method for being electromagnetically shielded wallboard as claimed in claim 1, first by 75 parts of polyurethane resin, phenylpropyl alcohol breast
14 parts of liquid, 22 parts of butadiene rubber, 80 parts of ethyl acetate, 35 parts of dimethylbenzene are put into agitator and are warming up to 35 DEG C and mixed, and stir
Speed 300-400rpm, after being well mixed, after adding 25 parts of 12 parts of blanc fixe, 10 parts of white carbon powder and nickel powder, is cooled to 30
DEG C insulation 20 minutes, is subsequently added 2 parts of dibutyl tin laurate, and 1 part of 3 parts of dipropylene glycol methyl ether and isocyanates stir
Obtain screen rubber paint.
9. the electromagnetic shielding wallboard that a kind of manufacture method for being electromagnetically shielded wallboard as claimed in claim 1 is obtained.
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| CN201811447001.5A CN109440958B (en) | 2017-03-20 | 2017-03-20 | Electromagnetic shielding wallboard |
| CN201710166783.4A CN106930466B (en) | 2017-03-20 | 2017-03-20 | A kind of electromagnetic shielding wallboard and its manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756053A (en) * | 2018-06-22 | 2018-11-06 | 无锡环中科技服务有限公司 | A kind of prefabricated board and preparation method thereof with electro-magnetic screen layer |
| CN109618548A (en) * | 2018-09-29 | 2019-04-12 | 镇江华核装备有限公司 | A kind of composite shielding material for special vehicle |
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| CN205637315U (en) * | 2016-03-29 | 2016-10-12 | 北新集团建材股份有限公司 | Composite sheet wall body of protecting against radiation |
| CN205742722U (en) * | 2016-06-14 | 2016-11-30 | 江苏吉福新材料股份有限公司 | A kind of electromagnetic isolation density board |
| CN106380164A (en) * | 2016-11-17 | 2017-02-08 | 中国人民解放军总参谋部工程兵第四设计研究院 | Electromagnetic pulse prevention concrete, composite wall body built by electromagnetic pulse concrete and construction method of composite wall body |
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| CN108756053A (en) * | 2018-06-22 | 2018-11-06 | 无锡环中科技服务有限公司 | A kind of prefabricated board and preparation method thereof with electro-magnetic screen layer |
| CN109618548A (en) * | 2018-09-29 | 2019-04-12 | 镇江华核装备有限公司 | A kind of composite shielding material for special vehicle |
| CN109618548B (en) * | 2018-09-29 | 2020-09-15 | 镇江华核装备有限公司 | Composite shielding material for special vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106930466B (en) | 2019-03-12 |
| CN109440958B (en) | 2020-11-13 |
| CN109440958A (en) | 2019-03-08 |
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