CN104936766A - Barrier composite for plastic components - Google Patents

Barrier composite for plastic components Download PDF

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Publication number
CN104936766A
CN104936766A CN201480006231.1A CN201480006231A CN104936766A CN 104936766 A CN104936766 A CN 104936766A CN 201480006231 A CN201480006231 A CN 201480006231A CN 104936766 A CN104936766 A CN 104936766A
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CN
China
Prior art keywords
thermoplastic
compound
metal forming
coating
obstruct
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201480006231.1A
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Chinese (zh)
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CN104936766B (en
Inventor
V.福格尔
J.阿克曼
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication date
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Publication of CN104936766A publication Critical patent/CN104936766A/en
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Publication of CN104936766B publication Critical patent/CN104936766B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • B29C70/088—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers and with one or more layers of non-plastics material or non-specified material, e.g. supports
    • 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
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/286—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysulphones; polysulfides
    • 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
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • 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
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/06—Coating on the layer surface on metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • 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
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

The present invention relates to a barrier composite (10) for reducing the permeability of plastic components. The barrier composite comprises a metal foil (12), which has a coating on both sides made of a thermoplastic material (14), wherein a composite with a fibre composite layer (16) comprising a thermoplastic matrix is disposed on at least one side of the coated metal foil. The present invention further relates to a method for producing a component, in particular an encasement or housing, made of such a barrier composite, and to the use thereof for encasing the plastic components.

Description

For the obstruct compound of plastic components
Technical field
The present invention relates to a kind of infiltrative obstruct compound (Barriereverbund) for reducing plastic components, a kind of method of the shell (Einhausung) for the manufacture of being configured to by this obstruct compound and this obstruct compound is used for the purposes of surrounding (Einhausung) plastic components.
Background technology
If it is higher to propose requirement to the barrier properties (Barriereeigenschaften) of parts or packaging, so these parts are made of metal usually, because plastics are not suitable for manufacturing described parts due to its relatively high permeability for this reason.
The barrier properties deficiency of plastics can be improved by different modes in principle.On the one hand can modified plastic, such as, by improving crystallization, adding additive or undertaken replacing or use so-called inorganic filler plastic blending material (Kunststoffblend) by other plastic type.But, by such change of material, the permeability of plastics can only be changed tinily.
On the other hand, the barrier properties of plastic components can improve by using barrier layer (Sperrschichten).This barrier layer can be applied by coating process or coating processes, or by inserting so-called individual layers or polylayer forest generation.The barrier layer of even now significantly improve plastic components barrier properties and compared with modified plastic described barrier layer also can keep stable within the longer time period, but coating process or coating processes are worked usually and cost consumption is very large and a lot of Environment Regulation of demand fulfillment.Another shortcoming of the coating of this usual similar pottery is that its breaking strain is little, cannot be applied to and bear on the parts of strain.
Document DE 10 2,010 024 383 A1 disclose a kind of such as food, by the obstruct compound utilizing the aluminium profiles base (Aluminiumvorformling) of polyethylene injection encapsulated to form multilayer.The packaging utilizing this obstruct compound can realize food has can shelf-life compared with tin.But, with regard to packaging for foodstuff, often only require the shelf-life of some months.
Shelf-life up to 15 to 20 years is then required for technical parts.Commercially still do not have solution that structure member can be made within the longer time period to keep good barrier properties at present.
Summary of the invention
Theme of the present invention is the infiltrative obstruct compound for reducing plastic components.According to the present invention, intercept compound and comprise metal forming, this metal forming has the coating become by thermoplastic constructed in plastic material in both sides, wherein, at least side of the metal forming of coating forms the compound with the fiber composite comprising thermoplastic matrix.
Especially, under meaning of the present invention, intercept compound can be the composite construction especially relative to moisture with barrier properties.
Can be reduced the permeability of plastic components by above-mentioned obstruct compound, thus can produce the parts be made of plastics, these parts are only made of metal so far due to the requirement high to barrier properties.Except the barrier properties significantly improved, described parts can also have the mechanical property significantly improved, and therefore different from the parts with the barrier layer applied by coating process or coating processes, can also bear strain.Especially, the barrier properties needed for parts can be protected in its whole service life, even if some local generation of parts strains or fiercelyed attack.In addition, the use of above-mentioned obstruct compound brings significant weight advantage compared to the use of metal shell.
Especially advantageously, thin metal forming can be used as the obstruct paper tinsel (Barrierefolie) of metal.Metal forming can have the thickness within the scope of >=5 μm to≤30 μm.Metal forming can also have the thickness within the scope of >=10 μm to≤20 μm.The metal forming that thickness is 5 μm can provide enough barrier properties.Especially, metal forming can have the thickness of 15 μm.Metal forming can be configured to by aluminium, high-quality steel (Edelstahl) or copper.Especially, metal forming can be aluminium foil.Aluminium is lightweight material, and the weight of shell can remain on reduced levels thus.In addition, aluminium is relatively cheap material.
Metal forming has the coating be made up of thermoplastic in both sides.At least the coating of side may be used for being formed the connection with at least one fiber composite comprising thermoplastic matrix.The compound with the metal forming of the coating of fiber composite can provide the favourable combination of barrier properties and mechanical stability.In another embodiment, the metal forming of coating can have fiber composite in both sides.The mechanical stability intercepting compound can be improved thus further.When only formed in the side of the metal forming applied there is the compound of fiber composite, the coating of the opposite side of metal forming may be used for being formed with another thermoplastic plastic layer or alternatively with the connection of plastic components.
According to by the shape intercepting parts, such as shell or housing that compound is made, should manufacturing parison by the metal forming applied.If paper tinsel region is overlapping when manufacturing parison, so the thermoplastic coating of metal forming can close the region of these overlaps.
Especially advantageously, an only thin coating with the metal forming of thermoplastic can be used in both sides.The coating of metal forming can have the thickness within the scope of >=10 μm to≤30 μm.The coating of metal forming can also have the thickness within the scope of >=15 μm to≤20 μm.The thickness of 10 μm can ensure coating gapless.Especially, the coating of metal forming can have the thickness of 15 μm.
The fiber composite comprising thermoplastic matrix can especially so-called organic plates.Especially, under meaning of the present invention, organic plates can be the fibrous composite be configured to by fiber and thermoplastic matrix.Organic plates can comprise one or more layers of fibrous material, and these layers are soaked with thermoplastic matrix.Fibrous material can exist with the form of fabric or grid cloth (Geleges).Specially suitable is continuous fiber.At this, fibre length can be equivalent to part length.The fiber be applicable to has such as glass fibre, carbon fiber and aramid fiber.These fibers can improve the mechanical property of compound, such as intensity and rigidity.Organic plates especially can comprise glass fabric.Particularly polyamide, polypropylene, thermoplastic polyurethane (TPU) and polyphenylene sulfide (PPS) are suitable as thermoplastic matrix.
Organic plates can be obtained as the semi-finished product of plane.When manufacturing this organic plates, fibrous material is flooded by thermoplastic and is reinforced by applying pressure and heat.Especially, organic plates can be advantageously used for dipping and reinforce at least partly, have as matrix material thermoplastic and embed the fabric semi-finished product of fabric wherein.Fiber composite, especially organic plates can have the thickness within the scope of >=0.5mm to≤2mm, the thickness especially within the scope of >=1mm to≤1.5mm.The fiber composite that thickness is 1mm, especially organic plates can provide good mechanical strength for intercepting compound.
In a kind of framework of design, the thermoplastic of the coating of metal forming can be identical with the thermoplastic of the thermoplastic matrix of fiber composite.If the coating intercepting paper tinsel or metal forming is become by identical thermoplastic construct with the half-finished matrix material of fabric, so particularly preferred attachment (Haftung) can be provided for the compound be configured to thus.
In a kind of framework of design, thermoplastic plastics can be chosen from the group be made up of polyamide, polypropylene, thermoplastic polyurethane (TPU) or polyphenylene sulfide (PPS).These materials especially have good heat endurance and are therefore suitable in the parts of automotive field.On the other hand, such as polyethylene has lower heat endurance.Suitable thermoplastic plastics especially polypropylene and polyamide.Suitable polyamide is especially called as the polyamide of PA 6 and PA 66 according to DIN EN ISO 1043-1.They are aliphatic polymer, and monomer whose is derived by aliphatic backing material (Grundk rper).PA 6 represents the polycaprolactam that is configured to by epsilon-caprolactams and PA 66 represents the polymer be configured to by hexamethylene diamine and adipic acid.
In a kind of framework of design, the compound be made up of the metal forming applied and fiber composite has thermoplastic plastic layer in one or both sides.The thermoplastic plastic layer of side can such as be arranged in intercept compound towards on the outer surface of external environment condition.This can especially protect obstruct paper tinsel at the metal intercepting inside compounds from the infringement of external action.The half-finished exposed fiber of fabric also can be covered by thermoplastic fibrage.The thermoplastic plastic layer being arranged in both sides can also protect intercept paper tinsel intercept compound on the inner surface of parts from infringement, such as prevent particle to be pressed in metal forming from battery.Thermoplastic plastic layer can have the thickness within the scope of >=0.5mm to≤3mm, the thickness especially within the scope of >=1mm to≤2mm.Thickness within the scope of this can ensure to provide reliable protection.
Thermoplastic plastic layer can such as by making the injection encapsulated of the compound be made up of the metal forming applied and fiber composite or making by applying paper tinsel.
At least one thermoplastic plastic layer can by thermoplastic plastics, be especially become by polyamide or polypropylene configurations, and described thermoplastic plastics are chosen from polyamide, polypropylene, thermoplastic polyurethane (TPU) or polyphenylene sulfide (PPS).Thermoplastic plastic layer especially can become by with the thermoplastic constructed in plastic material that structure intercepts the coating of paper tinsel or metal forming identical with the thermoplastic of the half-finished matrix material of fabric.The good connection of whole obstruct compound can be realized thus in an advantageous manner.
In a kind of framework of design, thermoplastic plastic layer can comprise reinforcing material.Reinforcing material can be fibrous material.Fibrous material can exist with the form of fabric or grid cloth, or exists with the form of short fiber.Suitable fiber is such as glass fibre.If apply thermoplastic plastic layer by Shooting Technique, so thermoplastic injected plastics material can comprise short fiber.If thermoplastic plastic layer is applied in the form of paper tinsel, so described plastic layer can comprise the fabric or grid cloth that are especially made up of glass fibre.Reinforcing fibre can improve the mechanical stability intercepting compound further.
About obstruct compound according to the present invention other technologies feature and advantage this spy please consult in detail combine according to method of the present invention, the explanation done is described according to purposes of the present invention, accompanying drawing and accompanying drawing.
In addition, theme of the present invention is by the parts, especially shell or the housing that intercept compound as mentioned above and be configured to.
This shell or housing can provide enough barrier properties when surrounding plastic components in an advantageous manner in its whole service life.Especially obstruct compound as described below can be used, this obstruct compound comprises thermoplastic for being enclosed in length of life and standing the parts of stress (Verspannungen), such as battery list pond or battery module, or is applied in parts, the such as accumulator of interior pressure.
In addition, theme of the present invention comprises the plastic components intercepting compound as above, and described plastic components is especially as shell or housing.This parts can be such as battery list pond or battery module, or are applied in parts, the such as accumulator of interior pressure.
Please to consult in detail this spy about the other technologies feature and advantage of shell according to the present invention or parts and combine according to obstruct compound of the present invention, according to method of the present invention, the explanation done be described according to purposes of the present invention, accompanying drawing and accompanying drawing.
In addition, theme of the present invention is for the manufacture of by the method intercepting parts, especially shell or housing that compound is formed as above, and the method comprises following method step:
A) provide metal forming, described metal forming has the coating (14) with thermoplastic in both sides;
B) mechanograph of the solid be made up of the metal forming applied is constructed alternatively;
C) fibrous composite with thermoplastic matrix is arranged in the metal forming of coating;
D) metal forming of coating and fibrous composite are shaped to compound; With
E) alternatively thermoplastic plastic layer is applied to structure in one or both sides, on the compound that is made up of the metal forming applied and fiber composite.
According to the shape of parts to be manufactured, such as shell or housing, be adapted at constructing the mechanograph, the parison that construct the solid be made up of the metal forming applied in the step before compound.
The method comprises the obstruct paper tinsel of connection metal, such as aluminium foil in an advantageous manner and has fibrous composite, the especially organic plates of thermoplastic matrix.Especially, organic plates can be advantageously used for dipping and reinforce at least partly, have as matrix material thermoplastic and embed the fabric semi-finished product of fabric wherein.Suitable fabric fibre is such as glass fibre, carbon fiber and aramid fiber.Especially it is suitable that glass fabric.
Especially polyamide, polypropylene, thermoplastic polyurethane (TPU) and polyphenylene sulfide (PPS) are suitable as thermoplastic matrix.Especially, the thermoplastic plastics of the coating of metal forming are identical with the thermoplastic plastics of thermoplastic matrix.If the coating intercepting paper tinsel or metal forming is become by identical thermoplastic construct with the half-finished matrix material of fabric, the particularly preferred connection of compound so can be formed.In addition, the thermoplastic plastic layer applied in step e) can be become by identical thermoplastic construct.Thus, each layer of compound can form particularly preferred connection.Thermoplastic resin can be chosen from the group be made up of polyamide, polypropylene, thermoplastic polyurethane (TPU) or polyphenylene sulfide (PPS), especially chooses from polypropylene and polyamide, such as PA 6 and PA 66.
Thermoplastic plastic coating can be applied to according to step a) on the compound be made up of the metal forming applied and fiber composite d) constructed according to step e).This such as can be realized by the paper tinsel applying in one or both sides to be made up of thermoplastic plastics.In a kind of alternative embodiment, the applying of thermoplastic plastic layer can by realizing the thermoplastic plastics of compound injection encapsulated be made up of the metal forming applied and fiber composite.Injection encapsulated can realize in injection machine.This obstruct paper tinsel allowing metal, the aluminium foil such as applied, be connected with fibrous composite, the especially organic plates with thermoplastic matrix, and allow described compound to be connected with another thermoplastic in injection machine.
In addition, Shooting Technique provides following advantage, and (werkzeugfallend) manufactures shell or housing with namely can reducing instrument.If made by instrument articles injection-moulded, so this articles injection-mouldedly reprocesses with need not carrying out cutting type especially.Thus, especially relative to shell or the housing that will carry out cutting type processing, significantly production cost can be reduced.
Under the framework of Shooting Technique, can be compatibly that the metal forming of coating or the mechanograph of solid are arranged in the die cavity of injection moulding tool.This permission completes the shaping of the compound be made up of the metal forming applied and fiber composite and injection encapsulated in an instrument.
In addition, theme of the present invention manufactures according to said method, for the shell of plastic components or housing.
About method according to the present invention other technologies feature and advantage this spy please consult in detail combine according to obstruct compound of the present invention, the explanation done is described according to purposes of the present invention, accompanying drawing and accompanying drawing.
In addition, theme of the present invention is the purposes of above-mentioned obstruct compound, for the parts that surround plastic components, especially battery list pond or battery module or be applied in interior pressure as accumulator.
About purposes according to the present invention other technologies feature and advantage this spy please consult in detail combine according to obstruct compound of the present invention, the explanation done is described according to method of the present invention, accompanying drawing and accompanying drawing.
Accompanying drawing explanation
To be described by accompanying drawing according to other advantages of theme of the present invention and favourable design and explained in the following description.At this it is noted that these examples and accompanying drawing only have the character of explanation, and not intended to be limits the present invention in any form.In the accompanying drawings:
Fig. 1 is the schematic diagram constructed according to the laminar of a kind of embodiment of obstruct compound of the present invention.
Detailed description of the invention
Fig. 1 schematically illustrates the cross section of the layered structure intercepting compound 10.Intercept compound 10 and comprise metal forming 12, the especially aluminium foil that thickness is such as 15 μm.Metal forming 12 works as the obstruct paper tinsel intercepting compound 10.Metal forming 12 has the coating 14 be made up of thermoplastic, particularly polypropylene or polyamide 6 or polyamide 66 respectively in both sides, thickness is such as 15 μm respectively.The metal forming 12 of coating forms the compound with the fiber composite 16 comprising thermoplastic matrix in side.Fiber composite 16 can be have thermoplastic plastics as matrix material dipping with reinforce fabric semi-finished product, so-called organic plates.Fabric semi-finished product can have the thickness of 1mm.Especially, organic plates can have with polypropylene or polyamide 6 or the polyamide 66 glass fabric as matrix.On that fiber composite 16 or organic plates are arranged in metal forming 12, directed rearward relative to the outside intercepting compound 10 side.The compound be made up of the metal forming 12 applied and fiber composite 16 has thermoplastic plastic layer 18 in both sides.Plastic layer 18 can be reinforced or can such as be strengthened by short glass fiber.Intercept the wall thickness that compound 10 can have 3mm, wherein, plastic layer 18 can have the thickness of about 0.9775mm respectively.
In order to manufacture the parts, such as shell or the housing that are constructed by obstruct compound 10, Shooting Technique can be used especially.Can provide thin aluminium foil as metal forming 12, such as thickness is the aluminium foil of 15 μm for this reason, and it has thin plastic coating, such as polypropylene or polyamide 6 or polyamide 66 that thickness is respectively 15 μm in both sides.
According to the shape of parts to be produced, can first manufacture the parison be made up of the aluminium foil applied.Then, described paper tinsel or parison can be inserted in the die cavity of injection moulding tool.Then, the fibre composites with thermoplastic matrix 16 can be arranged on described paper tinsel.Especially, can use have thermoplastic matrix, be called as organic plates, dipping with reinforce fabric semi-finished product, such as there is polypropylene or polyamide 6 or the polyamide 66 glass fabric as matrix.Matrix material is preferably compatible with the material of injection encapsulated.
Fabric semi-finished product can in injection machine, such as shaping after the heating.Can set up in forming process and the metal forming be fixed in the die cavity of instrument or the connection with the parison be fixed in the die cavity of instrument.The thermoplastic coating material of aluminium foil can in side for the formation of with thermoplastic plastic layer or the connection with parts, and at opposite side for setting up and being connected with the fabric reinforced the is half-finished of dipping with thermoplastic matrix.It is preferably relative to the outer side positioning rearward of parts intercepting compound or manufacture thus.In addition, the thermoplastic coating material of metal forming (paper tinsel region is overlapping in this case) when manufacturing parison may be used for the regional seal of these overlaps.In order to realize good connection preferably, the coating material of metal forming is become by identical constructed in plastic material with the half-finished matrix material of fabric.
By have thermoplastic matrix and coating metal forming, next can the utilizing and plastic type injection encapsulated identical with the plastic type that uses in the coating of metal forming in fabric semi-finished product with the compound that the fabric semi-finished product reinforced are formed of dipping.Be preferably polypropylene or polyamide 6 or polyamide 66.For this reason, can first in side, such as inner side spray plastic layer, then opposite side, such as outside spray plastic layer.This structure can ensure: not only from outside and also from the obstruct paper tinsel internal protection inside compounds from damage.
This achieve the manufacture to the plastic components for following purposes, wherein, require that permeability is less while parts strain in the long time period.Relevant example has for the shell in battery list pond or housing or the parts such as accumulator being applied in interior pressure, and wherein, described battery list pond proposes high request to the barrier properties of shell in years section while Dan Chi meets with stresses.

Claims (10)

1. for reducing the infiltrative obstruct compound of plastic components, this obstruct compound comprises metal forming (12), described metal forming has the coating (14) become by thermoplastic constructed in plastic material in both sides, wherein, the at least side of the metal forming (12) of described coating is formed the compound with fiber composite (16), and described fiber composite comprises thermoplastic matrix.
2. obstruct compound according to claim 1, wherein, the thermoplastic plastics of the coating (14) of described metal forming (12) are identical with the thermoplastic plastics of the thermoplastic matrix of described fiber composite (16).
3. obstruct compound according to claim 1 and 2, wherein, described thermoplastic plastics are chosen from the group be made up of polyamide, polypropylene, thermoplastic polyurethane or polyphenylene sulfide.
4. obstruct compound according to any one of claim 1 to 3, wherein, the compound be made up of the metal forming applied (12) and fiber composite (16) has thermoplastic plastic layer (18) in one or both sides.
5. obstruct compound according to claim 4, wherein, described thermoplastic plastic layer (18) comprises reinforcing material.
6. parts, especially shell or housing, is formed by obstruct compound (10) according to any one of claim 1 to 5 structure.
7. plastic components, especially as the plastic components of shell or housing, comprise obstruct compound (10) according to any one of claim 1 to 5.
8., for the manufacture of the method for the parts, especially shell or the housing that are made up of obstruct compound (10) according to any one of claim 1 to 5, comprise following method step:
A) provide metal forming (12), described metal forming has the coating (14) with thermoplastic in both sides;
B) mechanograph of the solid be made up of the metal forming of described coating (12) is constructed alternatively;
C) fibrous composite with thermoplastic matrix (16) is arranged in the metal forming (12) of described coating;
D) metal forming (12) of described coating and fibrous composite (16) are shaped to compound; With
E) alternatively thermoplastic plastic layer (18) is applied to structure in one or both sides, on the compound that is made up of the metal forming applied and fiber composite.
9. for shell or the housing of plastic components, method manufacture according to claim 8.
10. the purposes of obstruct compound (10) according to any one of claim 1 to 5, for the parts that surround plastic components, especially battery list pond or battery module or be applied in interior pressure as accumulator.
CN201480006231.1A 2013-01-28 2014-01-24 Barrier compound for plastic components Expired - Fee Related CN104936766B (en)

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DE102013201315.9A DE102013201315A1 (en) 2013-01-28 2013-01-28 Barrier compound for plastic components
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