CN109094125A - A kind of insulating composite board - Google Patents
A kind of insulating composite board Download PDFInfo
- Publication number
- CN109094125A CN109094125A CN201810469570.3A CN201810469570A CN109094125A CN 109094125 A CN109094125 A CN 109094125A CN 201810469570 A CN201810469570 A CN 201810469570A CN 109094125 A CN109094125 A CN 109094125A
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- Prior art keywords
- plate
- thermoplastic material
- thermoplastic
- composite board
- layer
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- 239000002131 composite material Substances 0.000 title claims abstract description 86
- 229910052751 metal Inorganic materials 0.000 claims abstract description 104
- 239000002184 metal Substances 0.000 claims abstract description 104
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 100
- 239000000463 material Substances 0.000 claims description 108
- 229920001169 thermoplastic Polymers 0.000 claims description 64
- 239000004416 thermosoftening plastic Substances 0.000 claims description 64
- 238000000034 method Methods 0.000 claims description 40
- 238000003825 pressing Methods 0.000 claims description 36
- 239000002245 particle Substances 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 14
- 238000007493 shaping process Methods 0.000 claims description 11
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 229920005992 thermoplastic resin Polymers 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 6
- 239000003063 flame retardant Substances 0.000 description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 23
- 229910052802 copper Inorganic materials 0.000 description 22
- 239000010949 copper Substances 0.000 description 22
- 238000000465 moulding Methods 0.000 description 21
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 9
- 238000011068 loading method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000005030 aluminium foil Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 238000007766 curtain coating Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000037396 body weight Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 2
- 229910052717 sulfur Chemical group 0.000 description 2
- 239000011593 sulfur Chemical group 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B15/02—Layer formed of wires, e.g. mesh
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/62—Insulating-layers or insulating-films on metal bodies
-
- 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
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
-
- 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
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/212—Electromagnetic interference shielding
-
- 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
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- 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
- B32B2457/00—Electrical equipment
- B32B2457/10—Batteries
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
- Cell Separators (AREA)
Abstract
The application provides a kind of insulating composite board, comprising: plate upper layer, plate lower layer and plate middle layer, the plate upper layer and the plate lower layer are made of thermoplastic material；Between the plate upper layer and the plate lower layer, the plate middle layer is metal mesh in the plate middle layer；The lower surface on the upper surface in the plate middle layer and the plate upper layer is bonded together, and the lower surface in the plate middle layer and the upper surface of the plate lower layer are bonded together.Insulating composite board provided by the present application has good insulation performance and can shield electromagnetic interference.
Description
Technical field
This application involves a kind of insulating composite board more particularly to a kind of insulated composite boards with electro-magnetic screen function
Material, for needing to realize the application of electromagnetic shielding and insulation simultaneously.
Background technique
Insulating sheet material be used to be isolated all kinds of electronic devices or component, to avoid between electronic device or component or electronics
Electronic element is failed caused by breakdown etc. because of short circuit in device or component, and reduces electronic device or component risk on fire,
To ensure the normal work of all kinds of electronic elements.For the different purposes of insulating sheet material, it is desirable that insulation film has difference
Working characteristics.
Accordingly, it is desired to provide a kind of insulating sheet material of function admirable.
Summary of the invention
According to a first aspect of the present application, a kind of insulating composite board is provided, which includes:
Plate upper layer and plate lower layer, the plate upper layer and the plate lower layer are made of thermoplastic material；With
Plate middle layer, the plate middle layer is between the plate upper layer and the plate lower layer, the plate middle layer
For metal mesh；
The lower surface on the upper surface in the plate middle layer and the plate upper layer is bonded together, under the plate middle layer
Surface and the upper surface of the plate lower layer are bonded together.
Plate as described above glues at the position of the mesh of the plate upper layer and the plate lower layer in the metal mesh
It becames one.
Plate as described above, it is characterised in that:
The insulating composite board is configured to be shaped to battery cover shape；
The battery backpack cover is configured to be assemblied on battery pack housing.
Plate as described above, it is characterised in that:
The insulating composite board is formed as with four walls extended from its edge, to form battery pack
Lid.
Plate as described above, it is characterised in that:
The thermoplastic material is thermoplastic resin.
Plate as described above, it is characterised in that:
The insulating composite board is made of hot-forming or coextrusion process is cast；
In the production process, the thermoplastic material in the plate upper layer and/or plate lower layer passes through in the molten state
Mesh on metal mesh contacts plate lower layer or the plate upper layer of the metal mesh other side, solidifying in the thermoplastic material of molten condition
Gu after, the plate upper layer and plate lower layer strike up partnership, thus by metal mesh lock knot in the plate upper layer and plate
Between lower layer.
Plate as described above, the plate upper layer and the plate lower layer be not the case where needing using additional medium
Under be bonded together.
The thermoplastic resin of the plate upper layer and the plate lower layer is made in molten in plate as described above
The mesh that the metal mesh is penetrated under state, so that the plate upper layer and the plate lower layer are bonded together.
Plate as described above, the plate upper layer and the plate lower layer are made of same material.
Plate as described above, the plate upper layer and the plate lower layer are made of material not of the same race.
Plate as described above, the thermoplastic material can be selected from PP, PC or PET.
Plate as described above, the thermoplastic material are PP.
Fire retardant is free of in plate as described above, the plate upper layer and the plate lower layer.
Contain fire retardant in plate as described above, the plate upper layer and the plate lower layer.
Plate as described above, the fire retardant are to have halogen fire retardant or a halogen-free flame retardants, it is described have halogen fire retardant be containing
Bromine flame retardant or chlorine-containing flame retardant, the halogen-free flame retardants are that nitrogenous or siliceous phosphonium flame retardant or sulfur-bearing or inorganic are fire-retardant
Agent.
Plate as described above, in the case where having used fire retardant in the plate upper layer and the plate lower layer, institute
The flame retardant rating for stating plate is V-2 or VTM-2 or more or V-0 or VTM-0, and meets Rohs standard.
Plate as described above, the metal mesh are made of copper or other metals or alloy.
Plate as described above, the metal mesh are made of copper or its alloy.
Plate as described above, the specification of the metal mesh are 20-400 mesh or 50-100 mesh.
Plate as described above, the plate upper thickness are 0.05-4.0mm, or are 0.43-2mm；In the plate
Layer is with a thickness of 0.05-0.4mm；The plate lower thickness 0.05-4.0mm, or be 0.43-2mm.
Plate as described above, the thickness 0.15-5.0mm of the plate is perhaps 0.75-4mm or is 1.5-3mm,
The CTI of the plate is 250 volts or more, or is 600 volts or more, and the RTI of the plate is 90 DEG C or more.
Plate as described above, the plate are made using hot-forming or co-extrusion technique is cast.
According to a second aspect of the present application, a kind of method producing insulating composite board is provided, which comprises
(a) particle that the first thermoplastic material is squeezed out on extruder makes its fusing, forms the first thermoplastic of molten condition
Property material；
(b) the first thermoplastic material of the molten condition enters head by connecting pipe after extruder outflow
Mouth mold, and be formed as first flaked thermoplastic's material in machine head port mould；
(c) metal mesh is provided；
(d) metal mesh and the first flaked thermoplastic material are delivered to the cooling and shaping roller simultaneously, so that
The first flaked thermoplastic material is pressed together in the one side of the metal mesh, is formed by the first flaked thermoplastic material
The pressing piece constituted with the metal mesh；
(f) particle that the second thermoplastic material is squeezed out on extruder makes its fusing, forms the second thermoplastic of molten condition
Property material；
(g) the second thermoplastic material of the molten condition is entered after extruder outflow by the connecting pipe
The machine head port mould, and be formed as second flaked thermoplastic's material in the machine head port mould；
(h) the pressing piece and the second flaked thermoplastic material are delivered to the cooling and shaping roller simultaneously, so that
The second flaked thermoplastic material is pressed together on the another side of the metal mesh, and being formed has the plate being made of metal mesh
Middle layer and the plate upper layer formed respectively by the first flaked thermoplastic material and the second flaked thermoplastic material and
The insulating composite board of plate lower layer.
The method of production insulating composite board as described above, first thermoplastic material and the second thermoplasticity material
Material is selected from PP, PC or PET.
The method of production insulating composite board as described above, first thermoplastic material and the second thermoplasticity material
Expect identical or different.
The method of production insulating composite board as described above, wherein by providing the gold from metal mesh material volume debatching
Net is belonged to convey the metal mesh to the cooling and shaping roller.
The method of production insulating composite board as described above, the middle pressing piece formed of step (d) are wound into pressure
Piece material volume is closed, by conveying the pressing piece to the cooling and shaping roller from pressing piece described in the pressing piece material volume debatching.
The method of production insulating composite board as described above, by controlling the first flaked thermoplastic material and described
The second flaked thermoplastic's material leaves the speed of the machine head port mould and the revolving speed for being cooled and shaped roller determines the plate
The thickness on upper layer and the plate lower layer.
The method of production insulating composite board as described above heats the step of the pressing piece before being included in step (h)
Suddenly (i).
The method of production insulating composite board as described above, the thermoplasticity on the plate upper layer and/or plate lower layer
Material by the mesh on metal mesh, contacts plate lower layer or the plate upper layer of the metal mesh other side in the molten state, thus
After the thermoplastic material solidification of molten condition, the plate upper layer and plate lower layer strike up partnership, thus by the gold
Belong to net lock knot between the plate upper layer and plate lower layer.
According to the third aspect of the application, a kind of method for producing insulating composite board is provided, which comprises
(a) particle that the first thermoplastic material is squeezed out on the first extruder makes its fusing, forms the first of molten condition
Thermoplastic material；
(b) the first thermoplastic material of the molten condition passes through the first connecting pipe after first extruder outflow
Into the first machine head port mould, and be formed as first flaked thermoplastic's material in first machine head port mould；
(c) particle that the second thermoplastic material is squeezed out on the second extruder makes its fusing, forms the second of molten condition
Thermoplastic material；
(d) the second thermoplastic material of the molten condition passes through the second connecting pipe after second extruder outflow
Into the second machine head port mould, and be formed as second flaked thermoplastic's material in the second machine head port mould；
(e) metal mesh is provided；
(f) metal mesh, the first flaked thermoplastic material and the second flaked thermoplastic material is defeated simultaneously
It send to roller is cooled and shaped, so that the first flaked thermoplastic material and the second flaked thermoplastic material are pressed together on respectively
On the opposite two sides of the metal mesh, being formed has the plate middle layer being made of metal mesh and respectively by first sheet
The insulating composite board on plate upper layer and plate lower layer that thermoplastic material and the second flaked thermoplastic material are formed.
The method of production insulating composite board as described above, the first thermoplastic material of the molten condition and the second heat
Plastic material is in contact with each other by the mesh on metal mesh, thus in the first thermoplastic material and the second thermoplastic of molten condition
Property material solidification after, strike up partnership each other, thus by the metal mesh lock knot between the plate upper layer and plate lower layer.
The method of production insulating composite board as described above, first thermoplastic material and the second thermoplasticity material
Material is selected from PP, PC or PET.
The method of production insulating composite board as described above, first thermoplastic material and the second thermoplasticity material
Expect identical or different.
The method of production insulating composite board as described above, wherein by providing the gold from metal mesh material volume debatching
Net is belonged to convey the metal mesh to the cooling and shaping roller.
The method of production insulating composite board as described above, by controlling the first flaked thermoplastic material and described
The second flaked thermoplastic's material leaves the speed of the machine head port mould and the revolving speed for being cooled and shaped roller determines the plate
The thickness on upper layer and the plate lower layer.
Composite board provided by the present application has the function of excellent insulation performance and electronic shield, and it is each to be applicable to isolation
Kind electronic component.
Detailed description of the invention
These and other feature and advantage of the application can read by referring to accompanying drawing following detailed description and obtain preferably
Understand, throughout the drawings, identical appended drawing reference indicates identical component, in which:
Fig. 1 is the diagrammatic cross-section according to the insulating composite board of one embodiment of the application；
Fig. 2 is another diagrammatic cross-section of insulating composite board shown in FIG. 1, for schematically showing plate upper layer
101 and plate lower layer 103 through metal mesh 102 mesh 105 and the state that is bonded together；
Fig. 3 A, 3B show the curtain coating hot press forming technology of the insulating composite board of one embodiment according to the application；
Fig. 4 shows production according to the coextrusion process of the insulating composite board of one embodiment of the application；
Fig. 5 is the top view of the metal mesh in the application insulating composite board；
Fig. 6 is the schematic diagram with the battery backpack cover of the insulating composite board production in the application；
Fig. 7 is schematic diagram of the battery backpack cover on battery pack housing in Fig. 6.
Specific embodiment
The various specific embodiments of the application are described below with reference to the attached drawing for constituting this specification a part.
Although should be understood that in this application using indicate direction term, such as "front", "rear", "upper", "lower", " left side ",
" right side ", etc. description the application of directions or directionality various example features and element, but use these terms herein
Purpose merely for convenience of description, the determination based on the example orientations shown in attached drawing.Due to disclosed in the present application real
Applying example can be arranged according to different directions, so these indicate that the term in direction is intended only as illustrating and should not be considered as limiting
System.In the following figures, same components use same drawing number, and similar components use similar drawing number,
To avoid repeated description.
Fig. 1 shows the diagrammatic cross-section of the insulating composite board 100 according to one embodiment of the application.As shown in Figure 1,
Plate 100 includes plate upper layer 101, plate middle layer 102 and the plate lower layer 103 being bonded together.Plate upper layer 101 and plate
Lower layer 103 is made of thermoplastic material, so that plate 100 has good insulating effect.The thermoplastic material can be thermoplastic
Property resin.Thermoplastic material for plate upper layer 101 and plate lower layer 103 to be made can be identical, be also possible to difference
's.Thermoplastic material for plate upper layer 101 and plate lower layer 103 to be made can be PP, PC or PET.In one embodiment
In, use PP as the material on plate upper layer 101 and plate lower layer 103.This is because: (1) PP is nontoxic, odorless, tasteless
Milky high crystallinity polymer, density 0.90-0.91g/cm3, it is one of kind most light in current all plastics, therefore select
The material on plate upper layer 101 and plate lower layer 103 is made of PP, can obtain the lighter plate 100 of total weight, is actually answered with meeting
Requirement with (such as batteries of electric automobile backpack cover plate) to panel weight；(2) and PP is as hydrophobic high molecular material, electrical isolation
It has excellent performance, selecting PP to do plate upper layer 101 and the material of plate lower layer 103 can make plate 100 obtain better insulating properties
Energy；(3) processability of PP is good, so that can be easy to obtain plate 100 by moulding process；(4) PP fusing point is at 164-170 DEG C,
With good heat resistance, product can be used for a long time at 125 DEG C or less, also constant at 150 DEG C not by external force
Shape, so as to the high temperature resistance needed for meeting plate 100 in practical applications (such as when using as battery cover)；(5)
The chemical stability of PP is fine, in addition to it can be corroded by the concentrated sulfuric acid, concentrated nitric acid or strong oxidizer, all compares various other chemical reagent
It is more stable, so as to meet solvent resistance requirement of the actual application environment (such as batteries of electric automobile backpack cover) to plate 100.
The thermoplastic material of plate upper layer 101 and/or plate lower layer 103 may be selected addition fire retardant or not add fire-retardant
Agent.When adding fire retardant in the thermoplastic material of plate upper layer 101 and/or plate lower layer 103, fire retardant is to have halogen fire retardant
Or halogen-free flame retardants, have halogen fire retardant be brominated flame-retardant or chlorine-containing flame retardant, the halogen-free flame retardants be phosphonium flame retardant or
Nitrogenous or siliceous or sulfur-bearing or inorganic based flame retardant.No matter in plate upper layer 101 and/or the thermoplastic material of plate lower layer 103
Middle which kind of fire retardant of addition, is all satisfied RoHS standard requirements.And plate flame retardant rating can reach V-2 or VTM-2 or more, even
It can achieve V-0 or VTM-0.
Plate middle layer 102 is between plate upper layer 101 and plate lower layer 103.Plate middle layer 102 is metal mesh, so that
The insulating composite board 100 of the application has electro-magnetic screen function.The metal mesh in plate middle layer 102 is embedded in 101 He of plate upper layer
In the surface of plate lower layer 103, the secured connection between plate upper layer 101, plate middle layer 102 and plate lower layer 103 is formed.Figure
5 show the schematic construction of the metal mesh.The metal mesh can be copper or the alloy of other metals or copper or other metals.One
In a embodiment, metal mesh is copper or its alloy.In another embodiment, metal mesh is elemental copper.Due to the ductility of copper
It is good, when selecting the metal mesh in elemental copper manufacture plate middle layer 102, is conducive to subsequent thermal and forms to form metal mesh.Metal
The mesh number and effectiveness and two aspect of product patterning process of net are related.For the effectiveness of metal mesh,
The higher the better for the mesh number of metal mesh；And for metal mesh product patterning process, then the lower the mesh number of metal mesh the better.It is comprehensive
Consider that two aspect factors, the mesh number specification of metal mesh are usually 20-400 mesh, perhaps can be 50-300 mesh or can be
50-200 mesh perhaps for 50-100 mesh or can be 80 mesh.The diameter of wire can be 0.01-0.2mm, adjacent
Spacing between wire can be 0.05-0.3mm, and the thickness of metal mesh can be 0.05-0.4mm.Gold disclosed in the present application
Belong to mesh number to realize good effectiveness simultaneously and facilitate product patterning process.
During the fitting on plate upper layer 101, plate middle layer 102 and plate lower layer 103, plate upper layer 101 and plate
At least one of lower layer 103 is in molten condition, thus the thermoplastic of the plate upper layer 101 of molten condition and/or plate lower layer 103
Property infiltration by the mesh of metal mesh, contact plate lower layer 103 or the plate upper layer 101 of the metal mesh other side.Melting
It after thermoplastic material cooled and solidified, is bonded together with plate lower layer and/or plate upper layer 101, to form the exhausted of the application
Edge composite board.
Fig. 2 is another diagrammatic cross-section of plate 100, for schematically showing plate upper layer 101 and plate lower layer
103 through metal meshes mesh and the state that is bonded together.It is shown in Fig. 2, in the mesh of the metal mesh in plate middle layer 102
At 105 position, the thermoplastic material of plate upper layer 101 and/or plate lower layer 103 penetrate through the mesh 105 of metal mesh and
It is bonded together.As described in Figure 2, the part adhesive of the mesh 105 through metal mesh of plate upper layer 101 and plate lower layer 103
At as being integrally formed.By this bonding mode, so that not needing can be by plate using other media (such as glue)
Material upper layer 101 and the bonding of plate lower layer 103 are got up.Also, plate upper layer 101 and the plate of the insulating composite board 100 of the application
This bonding mode of material lower layer 103 makes plate upper layer 101 and plate lower layer 103 as being integrally formed, when can be long
Between securely and be closely adhered to together, so that plate upper layer 101, plate middle layer 102 and plate lower layer 103 will not occur point
From, and it is very close to each other between plate upper layer 101, plate middle layer 102 and plate lower layer 103, so that moisture etc. cannot be introduced into plate
Corrode the metal mesh in plate middle layer 102 between material upper layer 101, plate middle layer 102 and plate lower layer 103.
The plate upper layer 101 of the insulating composite board 100 of the application with a thickness of 0.05-4.0mm, plate middle layer 102
With a thickness of 0.05-0.4mm or 0.43-2mm, plate lower layer 103 with a thickness of 0.05-4.0mm or 0.43-2mm, plate
Overall thickness is 0.15-5.0mm or is 0.75-4mm or is 1.5-3mm.The thickness energy of the insulating composite board of the application
Meet requirement of the client to plate mechanical performance.CTI (the Comparative of the insulating composite board 100 of the application
Tracking Index, relative discharge tracking index) up to 250 volts or more, even up to 600 volts or more, especially
In the case where the thermoplastic material of the insulating composite board 100 of production the application is PP PC or PET.Make in such as selection PP
When making the insulating composite board 100 of the application for thermoplastic material, the insulating composite board 100 of the application can obtain higher
CTI.The RTI (Relative Thermal Index, opposite heat number) of the insulating composite board 100 of the application can achieve
90 DEG C or more.
The insulating composite board 100 of the application includes following advantages:
The insulating composite board 100 of the application is as with plate upper layer 101 made of thermoplastic material and plate lower layer
103 and have good insulating effect.Also, since the plate middle layer 102 of the insulating composite board of the application 100 is metal
Net, so that the insulating composite board 100 of the application has the function of electromagnetic shielding simultaneously again.
Inventors noted that generally, being realized and being insulated using insulating sheet material in the application for needing to insulate to component
Purpose；In the application for needing to realize electromagnetic shielding, it is used generally metal plate and realizes electromagnetic shielding；And for needing simultaneously
The application of insulation and electromagnetic shielding needs being applied in combination for insulating sheet material and metal plate.And the insulating composite board of the application
100, insulating materials and metal mesh are combined to together, thus the application demand for being able to satisfy while needing to insulate and battery shields.
In addition, inventor observes, since the self weight of metal plate is heavier, so that carrying out electromagnetic shielding by metal plate causes
Increased using the device of metal plate or the weight of equipment, to bring the various problems such as the energy consumption of device or equipment increase.And this
The insulating composite board 100 of application as with plate upper layer 101 made of thermoplastic material and plate lower layer 103 so that this
The self weight of the plate 100 of application is relatively light, to use the exhausted of the application for relative usage metal plate is electromagnetically shielded
Listrium material 100, which carries out electromagnetic shielding, reduces the weight of device, and therefore avoid because metal plate self weight heave hand
The problem come, such as reduce device weight and reduce energy consumption in turn etc..
Also, the plate upper layer 101 of the insulating composite board 100 of the application and plate lower layer 103 are in forming process
It is bonded together under molten condition through the mesh of the metal mesh in plate middle layer 102, as being integrally formed, so that plate
Upper layer 101 and plate lower layer 103 can securely and be closely adhered to together for a long time, without separating, and make plate
It is very close to each other between material upper layer 101, plate middle layer 102 and plate lower layer 103, so that moisture etc. cannot be introduced into plate upper layer
101, corrode the metal mesh in plate middle layer 102 between plate middle layer 102 and plate lower layer 103.Also, the gold in plate middle layer 102
The surface for belonging to net insertion or at least partially embedded plate upper layer 101 and plate lower layer 103, further enhances each layer of plate 100
Between adhesion strength.
The insulating composite board 100 of the application is suitable for the application of in the various applications for needing to be electromagnetically shielded and insulate.Especially
Ground, the insulating composite board 100 of the application is due to especially accommodating as batteries of electric automobile packet with advantages described above
Lid.Currently, global energy and environment are faced with huge challenge, automobile is needed as consumption of petroleum and CO2 emission rich and influential family
Carry out revolutionary change.In order to reduce the discharge of carbon dioxide, develops new-energy automobile and reach in the world
Common recognition.On long terms, the pure electric drive including pure electric vehicle, fuel cell technology by be new-energy automobile main skill
Art direction, in a short time, the mixing of oil electricity, plug-in hybrid will be important transition route.Currently, the research and development of electric car
Hot spot is mainly the promotion of course continuation mileage, and the direction on the one hand improvement from battery technology of promotion, is on the other hand to guarantee vapour
Car body weight is reduced under the premise of vehicle safety.Since the battery in electric car can issue electromagnetic wave in the process of running, it is easy
Electromagnetic interference is generated to other electronic components of automobile, adverse effect is generated to human body, current solution is in battery
Top covers the cover board of a metal.However metal cover board self weight is bigger.Therefore, being covered using metal cover board is made on automobile batteries
It obtains car body weight to increase, and therefore leads to higher energy consumption of vehicles, be unfavorable for improving electric car course continuation mileage.And use this Shen
The battery backpack cover for the electric car that insulating sheet material 100 please makes, not only makes battery backpack cover with good insulation effect
Has the function of electromagnetic shielding simultaneously, due also to the battery backpack cover made of the insulating composite board 100 of the application is relative to existing
There is the self weight of metal plate in technology to be greatly reduced, can car body weight be mitigated, and therefore reduce energy consumption of vehicles, to accord with
The development expectation for improving electric car course continuation mileage is closed, and since each layer of the plate of the insulating composite board of the application 100 can
Securely and to be closely adhered to together for a long time, without separating, so that very close to each other between each layer of plate, so that water
Point etc. cannot be introduced between each layer of plate corrode plate middle layer 1 metal mesh so that the insulating composite board of the application
100 can keep excellent effectiveness for a long time.
Fig. 6 is the schematic diagram of the battery backpack cover 600 according to made of the insulating composite board 100 of the application.The battery backpack cover
600 are made into extending the shape of four walls from edge, for covering the shell in battery pack, thus battery backpack cover 600
Four walls extended from edge surround four walls of battery pack housing.Fig. 7 shows the battery backpack cover 600 in Fig. 6 and covers in battery
Schematic diagram on pack housing.
Fig. 3 A and Fig. 3 B are the curtain coating hot press forming technology schematic diagrames according to the plate 100 of one embodiment of the application,
Being cast hot-forming assembly line includes extrusion equipment 301 and molding equipment 302.Wherein extrusion equipment 301 includes machine head port mould
305, fuselage 309 and loading hopper 307.Loading hopper 307 is for receiving thermoplastic material.Machine head port mould 305 has 352 He of arrival end
Outlet end 351.Fuselage 309 has fuselage outlet end 321, and fuselage outlet end 321 and the arrival end 352 of machine head port mould 305 pass through
Pipeline 330 connects, for conveying material to machine head port mould 305.Fuselage 309 also has the feed opening being connected with loading hopper 307
323, for receiving the material from loading hopper 307.Driving mechanism is equipped in fuselage 309, for example, driving screw rod (not shown).
Machine head port mould 305 has width and thickness appropriate, and next material is transmitted from fuselage 309 convenient for accommodating, and machine head port mould 305
Die cavity is in general flat shape, the material conveyed from fuselage can be molded into flat.Molding equipment 302 has multiple rollers
Cylinder 328, for cooling down and forming.
Curtain coating heat pressing process as shown in figs.3 a and 3b is as follows:
As shown in Figure 3A, loading hopper 307 is added in the first thermoplastic material particles.First thermoplastic material particles pass through machine
The feed opening of body 309 enters fuselage 309.First thermoplastic material particles are melted to form molten condition and mix in fuselage 309
Machine head port mould is entered by the arrival end 352 of pipeline 330 to machine head port mould 305 by the driving mechanism conveying of fuselage after closing uniformly
305.In machine head port mould 305, it is molded to form first flaked thermoplastic's material in the first thermoplastic material of molten condition
360.First flaked thermoplastic's material 360 is exported by the outlet end 351 of machine head port mould 305 to the forming roller of molding equipment 302
328。
When conveying first flaked thermoplastic's material 360 to forming roller 328, from 12 debatching metal mesh of metal mesh coiled material
102, so that the metal mesh 102 of debatching and first flaked thermoplastic's material 360 is in overlying relation while being delivered to molding
The forming roller 328 of equipment 302, and successively pass through between forming roller 328.1 and 328.2 and between forming roller 328.2 and 328.3,
328.1,328.2 and 328.3 pair of first flaked thermoplastic's material 360 of forming roller and metal mesh 102 apply stretching and pressure force, make
The surface of the insertion of metal mesh 102 or at least partially embedded first flaked thermoplastic material 360 forms pressing piece 310, then presses
Piece 310 is wound into pressing piece material volume.As needed, metal mesh 102 and first flaked thermoplastic's material 360 can pass through multiple
Roller, can also be merely through two rollers.
Next, as shown in Figure 3B, after the first step, the second step for being cast heat pressing process is as shown in Figure 3B, with first
Walk it is similar, by the second thermoplastic material particles by loading hopper 307 be added fuselage 309.Second thermoplastic material particles can be with
One thermoplastic material particles are identical or different.Second thermoplastic material particles enter fuselage 309 by the feed opening of fuselage 309.
Second thermoplastic material particles are melted to form molten condition and after mixing by the driving mechanism of fuselage in fuselage 309
Conveying enters machine head port mould 305 by the arrival end 352 of pipeline 330 to machine head port mould 305.In machine head port mould 305, in melting
Second thermoplastic material of state is molded to form second flaked thermoplastic's material 380 of molten condition.Second flaked thermoplastic
Material 380 is exported by the outlet end 351 of machine head port mould 305 to the forming roller 328 of molding equipment 302.
Second flaked thermoplastic's material 380 is being exported by the outlet end 351 of machine head port mould 305 to molding equipment 302
While forming roller 328, by the pressing piece 310 formed in Fig. 3 A from pressing piece material volume debatching, so that by the pressing piece 310 of debatching
It is delivered to the forming roller 328 of molding equipment 302 simultaneously with second flaked thermoplastic's material 380, and successively passes through forming roller 328.1
And between 328.2 and between forming roller 328.2 and 328.3.In this process, press piece 310 metal mesh 102 one facing towards
Second flaked thermoplastic's material 380.Forming roller 328, which applies second flaked thermoplastic's material 380 and pressing piece 310, to be stretched and presses
With joint efforts, make to press in the insertion of metal mesh 102 or at least partially embedded second flaked thermoplastic material 380 of piece 310.Also, by
It is in a molten state when second flaked thermoplastic's material 380 leaves outlet end 351 of machine head port mould, when forming roller 328
When pressing second flaked thermoplastic's material 380 and pressing piece 310, second flaked thermoplastic's material 380 of molten condition can flow
Dynamic first flaked thermoplastic's material 360 that pressing piece 310 is contacted by the mesh on metal mesh 102, and passing through forming roller
It is solidified after 328 coolings, so that second flaked thermoplastic's material 380 and first flaked thermoplastic's material 360 are as being integrally formed one
As, it can keep for a long time secured and closely bond.Also, passing through pressing piece material volume debatching conveying pressing piece 310 or conveying
, can be as needed before pressing piece 310 to forming roller 328, selectively heating pressing piece 310 makes the first sheet-type thermo-plastic therein
Property material 360 reach molten condition, to realize first flaked thermoplastic's material 360 and second flaked thermoplastic's material 380
Stronger and close bonding.
It is cast heat pressing process by above shown in Fig. 3 A and 3B, obtains the insulating composite board 100 of the application.
In curtain coating heat pressing process above, first flaked thermoplastic's material of control and second flaked thermoplastic's material can be passed through
Material leaves the speed of machine head port mould 305 and the revolving speed of forming roller 328 obtains the expectation on plate upper layer 101 and plate lower layer 103
Thickness.
Fig. 4 shows production according to the coextrusion process of the insulating composite board of the application, has two in the coextrusion process
Extrusion equipment and a molding equipment.As shown in figure 4, the first extrusion equipment 301.1 prepares first flaked thermoplastic's material 360,
Second extrusion equipment 301.2 prepares second flaked thermoplastic's material 380, first flaked thermoplastic's material 360,102 and of metal mesh
Second flaked thermoplastic's material 380 is formed commonly through molding equipment 302, and plate 100 is made.
Wherein, loading hopper 307.1 is added in the first thermoplastic material particles and enters fuselage 309.1.First thermoplastic material
Melt in fuselage 309.1 and form molten condition, and pipeline 330.1 to machine is passed through by the conveying of the driving mechanism of fuselage 309.1
The arrival end 352.1 of head mouth mold 305.1 enters machine head port mould 305.1, in machine head port mould 305.1, in the first of molten condition
Thermoplastic material is molded to form first flaked thermoplastic's material 360 of molten condition.Second flaked thermoplastic's material 360 is by machine
The outlet end 351.1 of head mouth mold 305.1 is exported to the forming roller 328 of molding equipment 302.
Meanwhile loading hopper 307.2 is added in the second thermoplastic material particles and enters fuselage 309.2.Second thermoplastic material
Particle and with identical or different with the first thermoplastic material particles.It is molten that second thermoplastic material melts formation in fuselage 309.2
Melt state, and the arrival end 352.2 that pipeline 330.2 to machine head port mould 305.2 is passed through by the conveying of the driving mechanism of fuselage 309.2
Into machine head port mould 305.2, in machine head port mould 305.2, it is molded to form melting in the second thermoplastic material of molten condition
Second flaked thermoplastic's material 380 of state.Second flaked thermoplastic's material 380 by machine head port mould 305.2 outlet end 351.2
It exports to the forming roller 328 of molding equipment 302.
Meanwhile from 12 debatching metal mesh 102 of metal mesh coiled material, so that by the metal mesh 102 of debatching and the first sheet-type thermo-plastic
Property material 360 and second flaked thermoplastic's material 380 be delivered to the forming roller 328 of molding equipment 302 simultaneously, and successively by
Between type roller 328.1 and 328.2 and between forming roller 328.2 and 328.3.In this process, metal mesh 102 is located at the first sheet
Among thermoplastic material 360 and second flaked thermoplastic's material 380.328.1,328.2 and 328.3 pairs of the first sheet heat of forming roller
Plastic material 360, second flaked thermoplastic's material 380 and metal mesh 102 apply stretching and pressure force, are embedded in metal mesh 102
Or the surface of at least partially embedded first flaked thermoplastic material 360 and second flaked thermoplastic's material 380.Also, due to
One sheet thermoplastic material 360 and second flaked thermoplastic's material 380 leave the outlet end 351.1 and 351.2 of machine head port mould
When it is in a molten state, when forming roller 328 presses first flaked thermoplastic's material 360 and second flaked thermoplastic's material 380
When with pressing piece 310, the first flaked thermoplastic's material 360 and second flaked thermoplastic's material 380 of molten condition can flow
It is in contact with each other by the mesh on metal mesh 102, and is solidified after cooling by forming roller 328, thus the first sheet-type thermo-plastic
Property material 360 and second flaked thermoplastic's material 380 as be integrally formed, can keep for a long time secured and closely glue
Knot.
As needed, metal mesh 102 and first flaked thermoplastic's material 360, second flaked thermoplastic's material 380 can be through
Multiple rollers are crossed, it can also be merely through two rollers.
In the composite board 100 made of above two technique, plate upper layer 101 and plate lower layer 103 are not needing to make
With being bonded together in the case where additional medium (such as glue), but as being integrally formed, therefore the plate of metal mesh
Middle layer 102, plate upper layer 101 and plate lower layer 103 can be closely adhered to together, be not readily separated securely for a long time, and
Gap is not present between plate middle layer 102, plate upper layer 101 and plate lower layer 103, so that moisture cannot be introduced into plate middle layer
102, corrode metal mesh between plate upper layer 101 and plate lower layer 103.
It is the embodiment using the sample for being cast hot-forming obtained composite board below.Material used in these embodiments
Expect as follows: PP, by being produced according to state electronic component (Shanghai) Co., Ltd., trade name Formex GK；Copper mesh is the commercially available copper of 80 mesh
Net, wherein brass wire diameter 0.1mm, adjacent copper wire spacing 0.2mm, thickness 0.15mm, copper content 99.8%.
Embodiment 1
Using hot-forming method is cast, first it is plasticized PP particle and molding obtains plate upper layer, the plate formed
Upper layer with a thickness of 0.13mm.The obtained plate upper layer of molding and the copper mesh being placed between machine head port mould and roller pass through simultaneously
Roller cooling and shaping are crossed, pressing piece is obtained.Then it is plasticized PP particle and forms and obtain plate lower layer, control the thickness of plate lower layer
For 0.76mm.The pressing piece on the plate upper layer of forming before and copper mesh is placed between machine head port mould and roller, with plate
Roll-in is cooled and shaped together for lower layer, obtains insulating composite board.
Embodiment 2
Using hot-forming method is cast, first it is plasticized PP particle and molding obtains plate upper layer, the plate formed
Upper layer with a thickness of 0.25mm.The obtained plate upper layer of molding and the copper mesh being placed between machine head port mould and roller pass through simultaneously
Roller cooling and shaping are crossed, pressing piece is obtained.Then it is plasticized PP particle and forms and obtain plate lower layer, control the thickness of plate lower layer
For 2.5mm.The pressing piece on the plate upper layer of forming before and copper mesh is placed between machine head port mould and roller, under plate
Roll-in is cooled and shaped layer together, obtains insulating composite board.
Embodiment 3
Using hot-forming method is cast, first it is plasticized PP particle and molding obtains plate upper layer, the plate formed
Upper layer with a thickness of 0.43mm.The obtained plate upper layer of molding and the copper mesh being placed between machine head port mould and roller pass through simultaneously
Roller cooling and shaping are crossed, pressing piece is obtained.Then it is plasticized PP particle and forms and obtain plate lower layer, control the thickness of plate lower layer
For 2.5mm.The pressing piece on the plate upper layer of forming before and copper mesh is placed between machine head port mould and roller, under plate
Roll-in is cooled and shaped layer together, obtains insulating composite board.
Embodiment 4
Using hot-forming method is cast, first it is plasticized PP particle and molding obtains plate upper layer, the plate formed
Upper layer with a thickness of 0.13mm.The obtained plate upper layer of molding and the copper mesh being placed between machine head port mould and roller pass through simultaneously
Roller cooling and shaping are crossed, pressing piece is obtained.Then it is plasticized PP particle and forms obtained plate lower layer, control the thickness of plate lower layer
Degree is 0.76mm.The pressing piece on the plate upper layer of forming before and copper mesh is placed between machine head port mould and roller, with plate
Roll-in is cooled and shaped together for material lower layer, obtains insulating composite board.
By four samples obtained, its surface effect of paired observation, and four samples and aluminium foil are wrapped up into self-control respectively
Battery pack, be powered to battery pack and set different frequency, to forward and backward with four samples obtained and aluminium foil package battery pack
Electric field strength outside battery pack is tested, and the battery pack forward and backward with four samples obtained and aluminium foil package battery pack is obtained
The difference of outer electric field strength, the difference have reacted the effect of the electromagnetic shielding of four samples and aluminium foil obtained.It the following is
The electric field strength difference outside the forward and backward battery pack of battery pack is wrapped up respectively with four samples obtained and aluminium foil under 50MHz frequency,
As a result as follows:
From the experimental results, effective using PP and compound rear four insulating composite boards obtained of copper mesh according to the present invention
The electric field strength (the electric field strength difference outside forward and backward battery pack is wrapped up referring to test) after wrapping up outside battery pack is reduced, and
Four insulating composite boards obtained effectiveness and aluminium foil (have and four insulating composite boards obtained centre
The identical thickness of copper mesh) it is approximate.Therefore, insulating composite board of the invention has good effectiveness.In addition, when this
When the plate upper thickness of the insulating composite board of invention is greater than 0.43mm, since plate upper thickness is big at this time, intensity is high, plate
Material upper layer and copper mesh in pressing process, are unlikely to deform together with plate lower layer, so that the surface of obtained insulating composite board
Effect is good, and smooth appearance is beautiful.
Although being only shown and described herein to some features of the application, those skilled in the art are come
A variety of improvements and changes can be carried out by saying.It is therefore to be understood that the attached claims are intended to cover fallen with the application reality
Above-mentioned improvements and changes in matter scope.
Claims (10)
1. a kind of insulating composite board, characterized by comprising:
Plate upper layer and plate lower layer, the plate upper layer and the plate lower layer are made of thermoplastic material；With
Plate middle layer, between the plate upper layer and the plate lower layer, the plate middle layer is gold in the plate middle layer
Belong to net；
The lower surface on the upper surface in the plate middle layer and the plate upper layer is bonded together, the lower surface in the plate middle layer
It is bonded together with the upper surface of the plate lower layer.
2. insulating composite board according to claim 1, which is characterized in that the plate upper layer and the plate lower layer exist
It is bonded as one at the position of the mesh of the metal mesh.
3. insulating composite board according to claim 2, it is characterised in that:
The insulating composite board is configured to be shaped to battery backpack cover；
The battery backpack cover is configured to be assembled on battery pack housing.
4. insulating composite board according to claim 2, it is characterised in that:
The insulating composite board is formed as with four walls extended from its edge, to form battery backpack cover.
5. insulating composite board according to claim 2, it is characterised in that:
The thermoplastic material is thermoplastic resin.
6. insulating composite board according to claim 1, it is characterised in that:
The insulating composite board is made of hot-forming or coextrusion process is cast；
In the production process, the thermoplastic material in the plate upper layer and/or the plate lower layer is in the molten state
By the mesh on the metal mesh, contact the metal mesh other side the plate lower layer or the plate upper layer, molten
After the thermoplastic material solidification for melting state, the plate upper layer and the plate lower layer strike up partnership, thus by the gold
Belong to net lock knot between the plate upper layer and the plate lower layer.
7. insulating composite board according to claim 1, which is characterized in that the plate upper layer and the plate lower layer exist
It does not need to be bonded together in the case where using additional medium.
8. insulating composite board according to claim 1, which is characterized in that be made under the plate upper layer and the plate
The thermoplastic resin of layer penetrates the mesh of the metal mesh in the molten state, thus the plate upper layer and the plate
Lower layer is bonded together.
9. a kind of method for producing insulating composite board, which is characterized in that the described method includes:
(a) particle that the first thermoplastic material is squeezed out on extruder makes its fusing, forms the first thermoplasticity material of molten condition
Material；
(b) the first thermoplastic material of the molten condition enters head mouth by connecting pipe after extruder outflow
Mould, and be formed as first flaked thermoplastic's material in the machine head port mould；
(c) metal mesh is provided；
(d) metal mesh and the first flaked thermoplastic material are delivered to cooling and shaping roller simultaneously, so that described first
Flaked thermoplastic's material is pressed together in the one side of the metal mesh, is formed by the first flaked thermoplastic material and the gold
Belong to the pressing piece that net is constituted；
(f) particle that the second thermoplastic material is squeezed out on the extruder makes its fusing, forms the second thermoplastic of molten condition
Property material；
(g) the second thermoplastic material of the molten condition is after extruder outflow by described in connecting pipe entrance
Machine head port mould, and be formed as second flaked thermoplastic's material in the machine head port mould；
(h) the pressing piece and the second flaked thermoplastic material are delivered to the cooling and shaping roller simultaneously, so that described
Second flaked thermoplastic's material is pressed together on the another side of the metal mesh, and being formed has the plate being made of the metal mesh
Middle layer and the plate upper layer formed respectively by the first flaked thermoplastic material and the second flaked thermoplastic material and
The insulating composite board of plate lower layer.
10. a kind of method for producing insulating composite board, which is characterized in that the described method includes:
(a) particle that the first thermoplastic material is squeezed out on the first extruder makes its fusing, forms the first thermoplastic of molten condition
Property material；
(b) the first thermoplastic material of the molten condition is entered after first extruder outflow by the first connecting pipe
First machine head port mould, and be formed as first flaked thermoplastic's material in first machine head port mould；
(c) particle that the second thermoplastic material is squeezed out on the second extruder makes its fusing, forms the second thermoplastic of molten condition
Property material；
(d) the second thermoplastic material of the molten condition is entered after second extruder outflow by the second connecting pipe
Second machine head port mould, and be formed as second flaked thermoplastic's material in the second machine head port mould；
(e) metal mesh is provided；
(f) metal mesh, the first flaked thermoplastic material and the second flaked thermoplastic material are delivered to simultaneously
Be cooled and shaped roller so that the first flaked thermoplastic material and the second flaked thermoplastic material be pressed together on respectively it is described
On the opposite two sides of metal mesh, being formed has the plate middle layer being made of the metal mesh and respectively by first sheet
The insulating composite board on plate upper layer and plate lower layer that thermoplastic material and the second flaked thermoplastic material are formed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107118664A TWI810187B (en) | 2017-06-20 | 2018-05-31 | Insulating composite plate and method for producing the same |
| PCT/US2018/038454 WO2018236970A1 (en) | 2017-06-20 | 2018-06-20 | Insulating thin film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469959 | 2017-06-20 | ||
| CN2017104699593 | 2017-06-20 | ||
| CN201720727553 | 2017-06-20 | ||
| CN2017207275536 | 2017-06-20 |
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| CN109094125A true CN109094125A (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820730636.5U Active CN208789192U (en) | 2017-06-20 | 2018-05-16 | A kind of insulating composite board |
| CN201810469570.3A Pending CN109094125A (en) | 2017-06-20 | 2018-05-16 | A kind of insulating composite board |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820730636.5U Active CN208789192U (en) | 2017-06-20 | 2018-05-16 | A kind of insulating composite board |
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| CN (2) | CN208789192U (en) |
| TW (1) | TWI810187B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516318A (en) * | 2019-02-01 | 2020-08-11 | 上海机动车检测认证技术研究中心有限公司 | Shell structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493453A (en) * | 2002-11-01 | 2004-05-05 | �Ҵ���˾ | Method of preparing polyethylene laminated composite material |
| CN101287600A (en) * | 2005-10-15 | 2008-10-15 | 拜尔材料科学股份公司 | Plastic-metal composite material with metal wire mesh |
| US20160059523A1 (en) * | 2012-12-03 | 2016-03-03 | Illinois Tool Works Inc. | Insulation film and method for making insulation film |
| CN106393882A (en) * | 2016-08-30 | 2017-02-15 | 联泓(江苏)新材料研究院有限公司 | Electromagnetic radiation-resistant insulating functional film and production method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI537142B (en) * | 2013-11-29 | 2016-06-11 | Metal Ind Res & Dev Ct | Composite electromagnetic shielding material and its manufacturing method |
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- 2018-05-16 CN CN201810469570.3A patent/CN109094125A/en active Pending
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493453A (en) * | 2002-11-01 | 2004-05-05 | �Ҵ���˾ | Method of preparing polyethylene laminated composite material |
| CN101287600A (en) * | 2005-10-15 | 2008-10-15 | 拜尔材料科学股份公司 | Plastic-metal composite material with metal wire mesh |
| US20160059523A1 (en) * | 2012-12-03 | 2016-03-03 | Illinois Tool Works Inc. | Insulation film and method for making insulation film |
| CN106393882A (en) * | 2016-08-30 | 2017-02-15 | 联泓(江苏)新材料研究院有限公司 | Electromagnetic radiation-resistant insulating functional film and production method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516318A (en) * | 2019-02-01 | 2020-08-11 | 上海机动车检测认证技术研究中心有限公司 | Shell structure |
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| Publication number | Publication date |
|---|---|
| CN208789192U (en) | 2019-04-26 |
| TWI810187B (en) | 2023-08-01 |
| TW201904761A (en) | 2019-02-01 |
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