CN106129279A - Polymer Li-ion battery flexible package internal layer co-extrusion film and preparation method thereof - Google Patents

Polymer Li-ion battery flexible package internal layer co-extrusion film and preparation method thereof Download PDF

Info

Publication number
CN106129279A
CN106129279A CN201610695118.XA CN201610695118A CN106129279A CN 106129279 A CN106129279 A CN 106129279A CN 201610695118 A CN201610695118 A CN 201610695118A CN 106129279 A CN106129279 A CN 106129279A
Authority
CN
China
Prior art keywords
film
mass parts
temperature
layer
ion battery
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
CN201610695118.XA
Other languages
Chinese (zh)
Other versions
CN106129279B (en
Inventor
邱晓琳
吴宇涛
唐有凯
陈春阳
陈臻杰
富坚定
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Leater Green Packaging Corp ltd
Original Assignee
Wuxi Huaying Lithium New Material Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Huaying Lithium New Material Co Ltd filed Critical Wuxi Huaying Lithium New Material Co Ltd
Priority to CN201610695118.XA priority Critical patent/CN106129279B/en
Publication of CN106129279A publication Critical patent/CN106129279A/en
Application granted granted Critical
Publication of CN106129279B publication Critical patent/CN106129279B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • B32B27/32—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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • 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
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • 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
    • B32B7/14—Interconnection of layers using interposed adhesives or interposed materials with bonding properties applied in spaced arrangements, e.g. in stripes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • 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
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • 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
    • B32B2307/304—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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Laminated Bodies (AREA)

Abstract

The open a kind of polymer Li-ion battery flexible package internal layer co-extrusion film and preparation method thereof of the present invention, specifically, is polymer Li-ion battery flexible package internal layer co-extrusion film with electrolyte solution contacts and preparation method thereof.It is characterized in being composited by polarity composite bed, adhesive layer, low pole group interlayer, rigid support layer, toughness supporting layer and hot sealing layer successively.Use this internal layer co-extrusion film, product quality can be improved, it is to avoid environmental pollution.

Description

Polymer Li-ion battery flexible package internal layer co-extrusion film and preparation method thereof
Technical field
The present invention relates to lithium ion battery flexible packing material and production method thereof.Specifically, it is and electrolyte solution contacts Polymer Li-ion battery flexible package internal layer co-extrusion film and preparation method thereof.
Background technology
Both knowing about at lithium ion battery production industry, the inner layer film of current polymer Li-ion battery flexible package is mostly adopted With polyamide as group interlayer, owing to employing polyamide is as group interlayer, and polyamide is polar macromolecule material, has outstanding Rigidity, but toughness is not enough.The inner layer film rigidity made is had a surplus, toughness is not enough.Therefore, produced in folding, punching press etc. Cheng Zhong, easily causes flexible package tear so that conforming product rate is the highest.
No. 201320483024.8 patents of China disclose lithium battery flexible packaging film prepared by a kind of the tape casting.This flexible package Heat insulation sealing of organizing used by film is cyclic olefin polymer and the mixture of polyethylene composition, polyethylene film barrier property therein Poor.And the auxiliary agent polarity used easily is reacted with electrolyte relatively by force so that when electrolyte contacts to group interlayer surface, can send out Raw dissolving and corrosion so that product quality is low.
China 201310596489.8 patent specification discloses a kind of lithium battery flexible packaging aluminum plastic film and making side Method.Heat-sealing group interlayer therein is cast polypropylene film, this cast polypropylene thin and filter aluminium foil surface between pass through adhesive It is combined with each other.Polypropylene film therein is nonpolar thin film, and the composite performance between itself and aluminium foil is poor so that heat-sealing group every Between layer and aluminium foil, lamination easily occurs.Between once heat-sealing group interlayer and aluminium foil, lamination occurs, leakage situation will be caused Occur.Therefore, use the flexible package of this heat-sealing group interlayer, second-rate.
It addition, up to now, it has been disclosed that the method preparing poly-lithium battery flexible package inner layer film be mostly use dry Formula combination process, needs in this dry-lamination process to use phenolic resin, epoxy resin, polyurethane adhesive equal solvent shape solidification glue, And solvent-borne type solidification glue all contains the harmful substance such as toluene, ethyl acetate, environment can be brought pollution by production process.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of polymer Li-ion battery flexible package internal layer co-extrusion film.Use this Plant internal layer co-extrusion film, product quality can be improved, it is to avoid environmental pollution.
Another problem that the invention solves the problems that is to provide one and prepares polymer Li-ion battery flexible package internal layer altogether The method of extruded film.
The problems referred to above that the invention solves the problems that are realized by techniques below scheme:
The polymer Li-ion battery flexible package internal layer co-extrusion film feature of the present invention include successively polarity composite bed, adhesive layer, Low pole group interlayer, rigid support layer, toughness supporting layer and hot sealing layer.
Described polarity composite bed contains the raw material of following mass parts:
Polyamide 85 ~ 95 mass parts；
Carboxylic acid group's anhydride grafting modified polyolefin elastomer 5 ~ 10 mass parts.
Described adhesive layer is acid modified polyolefin viscose.
Described low pole group interlayer contains the raw material of following mass parts:
Atactic copolymerized polypropene 80 ~ 90 mass parts；
Polyvinyl chloride 1 ~ 3 mass parts；
Polyolefin elastomer 15 ~ 18 mass parts.
Described rigid support layer contains the raw material of following mass parts:
There is rule HOPP 80 ~ 90 mass parts；
Nano silicon 0 ~ 0.3 mass parts；
Polyolefin elastomer 10 ~ 20 mass parts；
Dehydroabietic acid 0.1 ~ 1 mass parts.
Described toughness supporting layer contains the raw material of following mass parts:
Linear low density polyethylene 80 ~ 95 mass parts；
Dehydroabietic acid 0 ~ 0.3 mass parts；
High density polyethylene (HDPE) 0.5 ~ 5 mass parts.
Described hot sealing layer contains the raw material of following mass parts:
Atactic copolymerized polypropene 80 ~ 90 mass parts；
Nano silicon 0 ~ 0.3 mass parts；
Polyolefin elastomer 0.1 ~ 5 mass parts.
The thickness of described polarity composite bed is 10 ~ 12 microns, the thickness of adhesive layer is 1 ~ 3 micron, low pole group interlayer Thickness is 6 ~ 8 microns, the thickness of rigid support layer is 18 ~ 22 microns, the thickness of toughness supporting layer is 12 ~ 15 microns, hot sealing layer Thickness be 5 ~ 8 microns.
The feature of the method preparing described polymer Li-ion battery flexible package internal layer co-extrusion film be include successively following Step:
First prepare polarity composite bed material
Anhydride grafting modified to polyamide and carboxylic acid group polyolefin elastomer is put in high-speed stirred pot, mix homogeneously, obtain the One compound；
First compound is put into double screw extruder, at a temperature of the runner temperature of 245 ~ 265 DEG C and the film mouth of 245 ~ 255 DEG C It is extruded into the first film；
First film is rapidly cooled to room temperature；
First film of cooled mistake is put in the baking oven that temperature is 155 DEG C, toasts 60 minutes, obtain polarity composite bed material；
Prepare low pole group interlayer material again
Atactic copolymerized polypropene, polyvinyl chloride and polyolefin elastomer are put in high-speed stirred pot, mix homogeneously, obtain first Compound；
First compound is put into double screw extruder, at a temperature of the runner temperature of 215 ~ 225 DEG C and the film mouth of 205 ~ 215 DEG C It is extruded into the second film；
Second film is rapidly cooled to room temperature；
Second film of cooled mistake is put in the baking oven that temperature is 125 DEG C, toasts 60 minutes, obtain low pole group interlayer thing Material；
Afterwards, rigid support layer material is prepared
Rule HOPP, nano silicon, polyolefin elastomer and dehydroabietic acid will be had to put in high-speed stirred pot, mixing Uniformly, the 3rd compound is obtained；
3rd compound is put into double screw extruder, at a temperature of the runner temperature of 215 ~ 225 DEG C and the film mouth of 205 ~ 215 DEG C It is extruded into tertiary membrane；
Tertiary membrane is rapidly cooled to room temperature；
The tertiary membrane of cooled mistake is put in the baking oven that temperature is 125 DEG C, toasts 60 minutes, obtain rigid support layer material；
Afterwards, preparation toughness supporting layer material
Linear low density polyethylene, dehydroabietic acid and high density polyethylene (HDPE) are put in high-speed stirred pot, mix homogeneously, obtain the Four compounds；
4th compound is put into double screw extruder, extrudes at a temperature of the runner temperature of 175-185 DEG C and the film mouth of 170 DEG C Become the 4th film；
4th film is rapidly cooled to room temperature；
4th film of cooled mistake is put in the baking oven that temperature is 120 DEG C, toasts 25 ~ 35 minutes, obtain toughness supporting layer thing Material；
Afterwards, hot sealing layer material is prepared
Atactic copolymerized polypropene, nano silicon and polyolefin elastomer are put in high-speed stirred pot, mix homogeneously, obtain 5th compound；
5th compound is put into double screw extruder, at a temperature of the runner temperature of 205 ~ 215 DEG C and the film mouth of 195 ~ 205 DEG C It is extruded into the 5th film；
5th film is rapidly cooled to room temperature；
5th film of cooled mistake is put in the baking oven that temperature is 125 DEG C, toasts 60 minutes, obtain hot sealing layer material；
Afterwards, the first semi-finished product film is prepared
By the screw extruder that polarity composite bed material input runner temperature is 245 ~ 255 DEG C, it is cast into the first semi-finished product film；
Afterwards, the second semi-finished product film is prepared
Low pole group interlayer material, bar rigid support layer material, toughness supporting layer raw material and hot sealing layer material are put into respectively Runner temperature is 205 ~ 215 DEG C, 215 ~ 225 DEG C, 175 ~ 185 DEG C, 205 ~ 215 DEG C, and film mouth temperature is four screw rods of 215 DEG C While extruder is extruded into four tunics, then with curtain coating co-extrusion machine, four tunics are become the second semi-finished product film in stacking shape curtain coating co-extrusion；
Followed by, it is combined
In the surface-coated adhesive layer of the second semi-finished product film, and the first semi-finished product film is compounded in adhesive layer, obtains semi-finished product Polymer Li-ion battery flexible package internal layer co-extrusion film；
Finally, semi-manufactured polymer lithium ion battery flexible package internal layer co-extrusion film is carried out high-voltage corona process, makes formation pole Property surface, obtains polymer Li-ion battery flexible package internal layer co-extrusion film.
Take such scheme, have the advantage that
Owing to the present invention contains rigid support layer and flexible support layers, while guaranteeing that the present invention has good mechanical strength, Improve pliability, therefore, in the production processes such as folding, punching press, it is to avoid the tear of flexible package, thus substantially increase product The qualification rate of product.
The adhesive layer used due to the present invention again is acid modified polyolefin viscose, and this acid modified polyolefin viscose has relatively Good polarity and nonpolar stickiness, can bond together with low pole group interlayer well by polarity composite bed.Make heat-sealing group Occur without lamination between interlayer and aluminium foil, thus avoid leakage situation and occur, improve product quality.And this gluing Layer has acid-proof alkaline, can avoid the electrolyte impact on interlayer composite performance.So, it is possible to improve product matter further Amount.
Owing to using coextrusion casting technique, it is not required to use the solidification of phenolic resin, epoxy resin, polyurethane adhesive equal solvent shape Glue, thus avoid the pollution that environment is brought by the harmful substances such as the toluene in solvent-borne type solidification glue, ethyl acetate.
Accompanying drawing explanation
Fig. 1 is the polymer Li-ion battery flexible package internal layer co-extrusion membrane structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail:
Embodiment one
As it is shown in figure 1. the polymer Li-ion battery flexible package internal layer co-extrusion film of the present invention includes polarity the most successively Composite bed, adhesive layer, low pole group interlayer, rigid support layer, toughness supporting layer and hot sealing layer.Wherein:
Described polarity composite bed contains the polyamide of 90 mass parts and the anhydride grafting modified polyolefin elastic of carboxylic acid group of 8 mass parts Body；
Described adhesive layer is acid modified polyolefin viscose；
Described low pole group interlayer contains the atactic copolymerized polypropene of 80 mass parts, the polyvinyl chloride of 1 mass parts, 15 mass parts Polyolefin elastomer；
Described rigid support layer contains having of 80 mass parts advises HOPP, the polyolefin elastomer of 10 mass parts and 0.1 matter The dehydroabietic acid of amount part；
Described toughness supporting layer contains linear low density polyethylene and the high density polyethylene (HDPE) of 0.5 mass parts of 80 mass parts；
Described hot sealing layer contains atactic copolymerized polypropene and the polyolefin elastomer of 0.1 mass parts of 80 mass parts.
Wherein the thickness of polarity composite bed be 10 microns, the thickness of adhesive layer be 1 micron, the thickness of low pole group interlayer be 6 microns, the thickness of rigid support layer be 18 microns, the thickness of toughness supporting layer be 12 microns, the thickness of hot sealing layer be 5 microns.
The method preparing described polymer Li-ion battery flexible package internal layer co-extrusion film comprises the following steps successively:
(1) polarity composite bed material is prepared
First anhydride grafting modified to polyamide and carboxylic acid group polyolefin elastomer is put in high-speed stirred pot, mix homogeneously, obtain First compound；
Again the first compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 245 DEG C and the film mouth of 245 DEG C First film；
Afterwards, utilize tap water at normal temperature that the first film is rapidly cooled to room temperature；
Afterwards, the first film of cooled mistake is put in the baking oven that temperature is 155 DEG C, toasts 60 minutes, obtain polarity composite bed Material；
(2) low pole group interlayer material is prepared
First atactic copolymerized polypropene, polyvinyl chloride and polyolefin elastomer are put in high-speed stirred pot, mix homogeneously, obtain the One compound；
Again the first compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 215 DEG C and the film mouth of 205 DEG C Second film；
Afterwards, utilize tap water at normal temperature that the second film is rapidly cooled to room temperature；
Afterwards, the second film of cooled mistake is put in temperature is the baking oven of 125 DEG C, toasts 60 minutes, obtain low pole group every Layer material；
(3) rigid support layer material is prepared
Rule HOPP and polyolefin elastomer and dehydroabietic acid first will be had to put in high-speed stirred pot, mix homogeneously, obtain 3rd compound；
Again the 3rd compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 215 DEG C and the film mouth of 205 DEG C Tertiary membrane；
Afterwards, utilize tap water that tertiary membrane is rapidly cooled to room temperature；
Afterwards, the tertiary membrane of cooled mistake is put in the baking oven that temperature is 125 DEG C, toasts 60 minutes, obtain rigid support layer Material；
(4) toughness supporting layer material is prepared
First linear low density polyethylene and high density polyethylene (HDPE) are put in high-speed stirred pot, mix homogeneously, obtain the 4th mixing Material；
Again the 4th compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 175 DEG C and the film mouth of 170 DEG C 4th film；
Afterwards the 4th film is rapidly cooled to room temperature；
Afterwards, the 4th film of cooled mistake is put in the baking oven that temperature is 120 DEG C, toasts 25 minutes, obtain toughness supporting layer Material；
(5) hot sealing layer material is prepared
First atactic copolymerized polypropene and polyolefin elastomer are put in high-speed stirred pot, mix homogeneously, obtain the 5th compound；
Again the 5th compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 205 DEG C and the film mouth of 195 DEG C 5th film；
Afterwards, utilize tap water that the 5th film is rapidly cooled to room temperature；
Afterwards, the 5th film of cooled mistake is put in the baking oven that temperature is 125 DEG C, toasts 60 minutes, obtain hot sealing layer material；
(6) the first semi-finished product film is prepared
First by the screw extruder that polarity composite bed material input runner temperature is 245 DEG C, it is cast into the first semi-finished product film；
(7) the second semi-finished product film is prepared
Low pole group interlayer material, rigid support layer material, toughness supporting layer material and hot sealing layer material are put into runner respectively Temperature is 205 DEG C, 215 DEG C, 175 DEG C, 205 DEG C, and film mouth temperature is four screw extruders of 215 DEG C and is extruded into the same of four tunics Time, then with curtain coating co-extrusion machine, four tunics are become the second semi-finished product film in stacking shape curtain coating co-extrusion；
(8) it is combined
In the surface-coated adhesive layer of the second semi-finished product film, and the first semi-finished product film is compounded in adhesive layer, obtains semi-finished product Polymer Li-ion battery flexible package internal layer co-extrusion film.Described adhesive layer is acid modified polyolefin viscose；
(9) semi-manufactured polymer lithium ion battery flexible package internal layer co-extrusion film is carried out high-voltage corona process, form polarity table Face, obtains polymer Li-ion battery flexible package internal layer co-extrusion film.
Embodiment two
As it is shown in figure 1. the polymer Li-ion battery flexible package internal layer co-extrusion film of the present invention includes polarity the most successively Composite bed, adhesive layer, low pole group interlayer, rigid support layer, toughness supporting layer and hot sealing layer.Wherein:
Described polarity composite bed contains the polyamide of 85 mass parts and the anhydride grafting modified polyolefin elastic of carboxylic acid group of 5 mass parts Body；
Described adhesive layer is acid modified polyolefin viscose；
Described low pole group interlayer contains the atactic copolymerized polypropene of 85 mass parts, the polyvinyl chloride of 2 mass parts, 16 mass parts Polyolefin elastomer；
Described rigid support layer contains having of 85 mass parts advises HOPP, the nano silicon of 0.1 mass parts, 15 mass The polyolefin elastomer of part and the dehydroabietic acid of 0.5 mass parts；
Described toughness supporting layer contains the linear low density polyethylene of 90 mass parts, the dehydroabietic acid of 0.1 mass parts and 1 mass parts High density polyethylene (HDPE)；
Described hot sealing layer contains the atactic copolymerized polypropene of 85 mass parts, the nano silicon of 0.1 mass parts and 1 mass parts Polyolefin elastomer.
Wherein the thickness of polarity composite bed be 11 microns, the thickness of adhesive layer be 2 microns, the thickness of low pole group interlayer be 7 microns, the thickness of rigid support layer be 20 microns, the thickness of toughness supporting layer be 13 microns, the thickness of hot sealing layer be 7 microns.
The method preparing described polymer Li-ion battery flexible package internal layer co-extrusion film comprises the following steps successively:
(1) polarity composite bed material is prepared
First anhydride grafting modified to polyamide and carboxylic acid group polyolefin elastomer is put in high-speed stirred pot, mix homogeneously, obtain First compound；
Again the first compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 260 DEG C and the film mouth of 250 DEG C First film；
Afterwards, utilize tap water at normal temperature that the first film is rapidly cooled to room temperature；
Afterwards, the first film of cooled mistake is put in the baking oven that temperature is 155 DEG C, toasts 60 minutes, obtain polarity composite bed Material；
(2) low pole group interlayer material is prepared
First atactic copolymerized polypropene, polyvinyl chloride and polyolefin elastomer are put in high-speed stirred pot, mix homogeneously, obtain the One compound；
Again the first compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 220 DEG C and the film mouth of 210 DEG C Second film；
Afterwards, utilize tap water at normal temperature that the second film is rapidly cooled to room temperature；
Afterwards, the second film of cooled mistake is put in temperature is the baking oven of 125 DEG C, toasts 60 minutes, obtain low pole group every Layer material；
(3) rigid support layer material is prepared
Rule HOPP, nano silicon, polyolefin elastomer and dehydroabietic acid first will be had to put in high-speed stirred pot, mixed Close uniformly, obtain the 3rd compound；
Again the 3rd compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 220 DEG C and the film mouth of 210 DEG C Tertiary membrane；
Afterwards, utilize tap water that tertiary membrane is rapidly cooled to room temperature；
Afterwards, the tertiary membrane of cooled mistake is put in the baking oven that temperature is 125 DEG C, toasts 60 minutes, obtain rigid support layer Material；
(4) toughness supporting layer material is prepared
First linear low density polyethylene, dehydroabietic acid and high density polyethylene (HDPE) are put in high-speed stirred pot, mix homogeneously, obtain 4th compound；
Again the 4th compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 180 DEG C and the film mouth of 170 DEG C 4th film；
Afterwards the 4th film is rapidly cooled to room temperature；
Afterwards, the 4th film of cooled mistake is put in the baking oven that temperature is 120 DEG C, toasts 30 minutes, obtain toughness supporting layer Material；
(5) hot sealing layer material is prepared
First atactic copolymerized polypropene, nano silicon and polyolefin elastomer are put in high-speed stirred pot, mix homogeneously, To the 5th compound；
Again the 5th compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 210 DEG C and the film mouth of 200 DEG C 5th film；
Afterwards, utilize tap water that the 5th film is rapidly cooled to room temperature；
Afterwards, the 5th film of cooled mistake is put in the baking oven that temperature is 125 DEG C, toasts 60 minutes, obtain hot sealing layer material；
(6) the first semi-finished product film is prepared
First by the screw extruder that polarity composite bed material input runner temperature is 250 DEG C, it is cast into the first semi-finished product film；
(7) the second semi-finished product film is prepared
Low pole group interlayer material, rigid support layer material, toughness supporting layer material and hot sealing layer material are put into runner respectively Temperature is 210 DEG C, 220 DEG C, 180 DEG C, 210 DEG C, and film mouth temperature is four screw extruders of 215 DEG C and is extruded into the same of four tunics Time, then with curtain coating co-extrusion machine, four tunics are become the second semi-finished product film in stacking shape curtain coating co-extrusion；
(8) it is combined
In the surface-coated adhesive layer of the second semi-finished product film, and the first semi-finished product film is compounded in adhesive layer, obtains semi-finished product Polymer Li-ion battery flexible package internal layer co-extrusion film.Described adhesive layer is acid modified polyolefin viscose；
(9) semi-manufactured polymer lithium ion battery flexible package internal layer co-extrusion film is carried out high-voltage corona process, form polarity table Face, obtains polymer Li-ion battery flexible package internal layer co-extrusion film.
Embodiment three
As it is shown in figure 1. the polymer Li-ion battery flexible package internal layer co-extrusion film of the present invention includes polarity the most successively Composite bed, adhesive layer, low pole group interlayer, rigid support layer, toughness supporting layer and hot sealing layer.Wherein:
Described polarity composite bed contains the polyamide of 95 mass parts and carboxylic acid group's anhydride grafting modified polyolefin bullet of 10 mass parts Gonosome；
Described adhesive layer is acid modified polyolefin viscose；
Described low pole group interlayer contains the atactic copolymerized polypropene of 90 mass parts, the polyvinyl chloride of 3 mass parts, 18 mass parts Polyolefin elastomer；
Described rigid support layer contains having of 90 mass parts advises HOPP, the nano silicon of 0.3 mass parts, 20 mass The polyolefin elastomer of part and the dehydroabietic acid of 1 mass parts；
Described toughness supporting layer contains the linear low density polyethylene of 95 mass parts, the dehydroabietic acid of 0.3 mass parts and 5 mass parts High density polyethylene (HDPE)；
Described hot sealing layer contains the atactic copolymerized polypropene of 90 mass parts, the nano silicon of 0.3 mass parts and 5 mass parts Polyolefin elastomer.
Wherein the thickness of polarity composite bed be 12 microns, the thickness of adhesive layer be 3 microns, the thickness of low pole group interlayer be 8 microns, the thickness of rigid support layer be 22 microns, the thickness of toughness supporting layer be 15 microns, the thickness of hot sealing layer be 8 microns.
The method preparing described polymer Li-ion battery flexible package internal layer co-extrusion film comprises the following steps successively:
(1) polarity composite bed material is prepared
First anhydride grafting modified to polyamide and carboxylic acid group polyolefin elastomer is put in high-speed stirred pot, mix homogeneously, obtain First compound；
Again the first compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 265 DEG C and the film mouth of 255 DEG C First film；
Afterwards, utilize tap water at normal temperature that the first film is rapidly cooled to room temperature；
Afterwards, the first film of cooled mistake is put in the baking oven that temperature is 155 DEG C, toasts 60 minutes, obtain polarity composite bed Material；
(2) low pole group interlayer material is prepared
First atactic copolymerized polypropene, polyvinyl chloride and polyolefin elastomer are put in high-speed stirred pot, mix homogeneously, obtain the One compound；
Again the first compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 225 DEG C and the film mouth of 215 DEG C Second film；
Afterwards, utilize tap water at normal temperature that the second film is rapidly cooled to room temperature；
Afterwards, the second film of cooled mistake is put in temperature is the baking oven of 125 DEG C, toasts 60 minutes, obtain low pole group every Layer material；
(3) rigid support layer material is prepared
Rule HOPP, nano silicon, polyolefin elastomer and dehydroabietic acid first will be had to put in high-speed stirred pot, mixed Close uniformly, obtain the 3rd compound；
Again the 3rd compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 225 DEG C and the film mouth of 215 DEG C Tertiary membrane；
Afterwards, utilize tap water that tertiary membrane is rapidly cooled to room temperature；
Afterwards, the tertiary membrane of cooled mistake is put in the baking oven that temperature is 125 DEG C, toasts 60 minutes, obtain rigid support layer Material；
(4) toughness supporting layer material is prepared
First linear low density polyethylene, dehydroabietic acid and high density polyethylene (HDPE) are put in high-speed stirred pot, mix homogeneously, obtain 4th compound；
Again the 4th compound is put into double screw extruder, extrude at a temperature of the runner temperature of 1855 DEG C and the film mouth of 170 DEG C Become the 4th film；
Afterwards the 4th film is rapidly cooled to room temperature；
Afterwards, the 4th film of cooled mistake is put in the baking oven that temperature is 120 DEG C, toasts 35 minutes, obtain toughness supporting layer Material；
(5) hot sealing layer material is prepared
First atactic copolymerized polypropene, nano silicon and polyolefin elastomer are put in high-speed stirred pot, mix homogeneously, To the 5th compound；
Again the 5th compound is put into double screw extruder, be extruded at a temperature of the runner temperature of 215 DEG C and the film mouth of 205 DEG C 5th film；
Afterwards, utilize tap water that the 5th film is rapidly cooled to room temperature；
Afterwards, the 5th film of cooled mistake is put in the baking oven that temperature is 125 DEG C, toasts 60 minutes, obtain hot sealing layer material；
(6) the first semi-finished product film is prepared
First by the screw extruder that polarity composite bed material input runner temperature is 255 DEG C, it is cast into the first semi-finished product film；
(7) the second semi-finished product film is prepared
Low pole group interlayer material, rigid support layer material, toughness supporting layer material and hot sealing layer material are put into runner respectively Temperature is 215 DEG C, 225 DEG C, 185 DEG C, 215 DEG C, and film mouth temperature is four screw extruders of 215 DEG C and is extruded into the same of four tunics Time, then with curtain coating co-extrusion machine, four tunics are become the second semi-finished product film in stacking shape curtain coating co-extrusion；
(8) it is combined
In the surface-coated adhesive layer of the second semi-finished product film, and the first semi-finished product film is compounded in adhesive layer, obtains semi-finished product Polymer Li-ion battery flexible package internal layer co-extrusion film.Described adhesive layer is acid modified polyolefin viscose；
(9) semi-manufactured polymer lithium ion battery flexible package internal layer co-extrusion film is carried out high-voltage corona process, form polarity table Face, obtains polymer Li-ion battery flexible package internal layer co-extrusion film.

Claims (9)

1. polymer Li-ion battery flexible package internal layer co-extrusion film, it is characterised in that include successively polarity composite bed, adhesive layer, Low pole group interlayer, rigid support layer, toughness supporting layer and hot sealing layer.
Polymer Li-ion battery flexible package internal layer co-extrusion film the most according to claim 1, it is characterised in that described pole Property composite bed contains the raw material of following mass parts:
Polyamide 85 ~ 95 mass parts；
Carboxylic acid group's anhydride grafting modified polyolefin elastomer 5 ~ 10 mass parts.
Polymer Li-ion battery flexible package internal layer co-extrusion film the most according to claim 1, it is characterised in that described glue Glutinous layer is acid modified polyolefin viscose.
Polymer Li-ion battery flexible package internal layer co-extrusion film the most according to claim 1, it is characterised in that described weak Polarity group interlayer contains the raw material of following mass parts:
Atactic copolymerized polypropene 80 ~ 90 mass parts；
Polyvinyl chloride 1 ~ 3 mass parts；
Polyolefin elastomer 15 ~ 18 mass parts.
Polymer Li-ion battery flexible package internal layer co-extrusion film the most according to claim 1, it is characterised in that described just Property supporting layer contains the raw material of following mass parts:
There is rule HOPP 80 ~ 90 mass parts；
Nano silicon 0 ~ 0.3 mass parts；
Polyolefin elastomer 10 ~ 20 mass parts；
Dehydroabietic acid 0.1 ~ 1 mass parts.
Polymer Li-ion battery flexible package internal layer co-extrusion film the most according to claim 1, it is characterised in that described tough Property supporting layer contains the raw material of following mass parts:
Linear low density polyethylene 80 ~ 95 mass parts；
Dehydroabietic acid 0 ~ 0.3 mass parts；
High density polyethylene (HDPE) 0.5 ~ 5 mass parts.
Polymer Li-ion battery flexible package internal layer co-extrusion film the most according to claim 1, it is characterised in that described heat Sealing contains the raw material of following mass parts:
Atactic copolymerized polypropene 80 ~ 90 mass parts；
Nano silicon 0 ~ 0.3 mass parts；
Polyolefin elastomer 0.1 ~ 5 mass parts.
Polymer Li-ion battery flexible package internal layer co-extrusion film the most according to claim 1, it is characterised in that described pole The thickness of property composite bed is 10 ~ 12 microns, the thickness of adhesive layer is 1 ~ 3 micron, the thickness of low pole group interlayer is 6 ~ 8 microns, The thickness of rigid support layer is 18 ~ 22 microns, the thickness of toughness supporting layer is 12 ~ 15 microns, the thickness of hot sealing layer is 5 ~ 8 micro- Rice.
9. the polymer Li-ion battery flexible package method of internal layer co-extrusion film described in preparation claim 1, it is characterised in that depend on Secondary comprise the following steps:
First prepare polarity composite bed material
Anhydride grafting modified to polyamide and carboxylic acid group polyolefin elastomer is put in high-speed stirred pot, mix homogeneously, obtain the One compound；
First compound is put into double screw extruder, at a temperature of the runner temperature of 245 ~ 265 DEG C and the film mouth of 245 ~ 255 DEG C It is extruded into the first film；
First film is rapidly cooled to room temperature；
First film of cooled mistake is put in the baking oven that temperature is 155 DEG C, toasts 60 minutes, obtain polarity composite bed material；
Prepare low pole group interlayer material again
Atactic copolymerized polypropene, polyvinyl chloride and polyolefin elastomer are put in high-speed stirred pot, mix homogeneously, obtain first Compound；
First compound is put into double screw extruder, at a temperature of the runner temperature of 215 ~ 225 DEG C and the film mouth of 205 ~ 215 DEG C It is extruded into the second film；
Second film is rapidly cooled to room temperature；
Second film of cooled mistake is put in the baking oven that temperature is 125 DEG C, toasts 60 minutes, obtain low pole group interlayer thing Material；
Afterwards, rigid support layer material is prepared
Rule HOPP, nano silicon, polyolefin elastomer and dehydroabietic acid will be had to put in high-speed stirred pot, mixing Uniformly, the 3rd compound is obtained；
3rd compound is put into double screw extruder, at a temperature of the runner temperature of 215 ~ 225 DEG C and the film mouth of 205 ~ 215 DEG C It is extruded into tertiary membrane；
Tertiary membrane is rapidly cooled to room temperature；
The tertiary membrane of cooled mistake is put in the baking oven that temperature is 125 DEG C, toasts 60 minutes, obtain rigid support layer material；
Afterwards, preparation toughness supporting layer material
Linear low density polyethylene, dehydroabietic acid and high density polyethylene (HDPE) are put in high-speed stirred pot, mix homogeneously, obtain the Four compounds；
4th compound is put into double screw extruder, extrudes at a temperature of the runner temperature of 175-185 DEG C and the film mouth of 170 DEG C Become the 4th film；
4th film is rapidly cooled to room temperature；
4th film of cooled mistake is put in the baking oven that temperature is 120 DEG C, toasts 25 ~ 35 minutes, obtain toughness supporting layer thing Material；
Afterwards, hot sealing layer material is prepared
Atactic copolymerized polypropene, nano silicon and polyolefin elastomer are put in high-speed stirred pot, mix homogeneously, obtain 5th compound；
5th compound is put into double screw extruder, at a temperature of the runner temperature of 205 ~ 215 DEG C and the film mouth of 195 ~ 205 DEG C It is extruded into the 5th film；
5th film is rapidly cooled to room temperature；
5th film of cooled mistake is put in the baking oven that temperature is 125 DEG C, toasts 60 minutes, obtain hot sealing layer material；
Afterwards, the first semi-finished product film is prepared
By the screw extruder that polarity composite bed material input runner temperature is 245 ~ 255 DEG C, it is cast into the first semi-finished product film；
Afterwards, the second semi-finished product film is prepared
Low pole group interlayer material, bar rigid support layer material, toughness supporting layer raw material and hot sealing layer material are put into respectively Runner temperature is 205 ~ 215 DEG C, 215 ~ 225 DEG C, 175 ~ 185 DEG C, 205 ~ 215 DEG C, and film mouth temperature is four screw rods of 215 DEG C While extruder is extruded into four tunics, then with curtain coating co-extrusion machine, four tunics are become the second semi-finished product film in stacking shape curtain coating co-extrusion；
Followed by, it is combined
In the surface-coated adhesive layer of the second semi-finished product film, and the first semi-finished product film is compounded in adhesive layer, obtains semi-finished product Polymer Li-ion battery flexible package internal layer co-extrusion film；
Finally, semi-manufactured polymer lithium ion battery flexible package internal layer co-extrusion film is carried out high-voltage corona process, makes formation pole Property surface, obtains polymer Li-ion battery flexible package internal layer co-extrusion film.
CN201610695118.XA 2016-08-22 2016-08-22 Polymer Li-ion battery flexible package internal layer co-extrusion film and preparation method thereof Active CN106129279B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610695118.XA CN106129279B (en) 2016-08-22 2016-08-22 Polymer Li-ion battery flexible package internal layer co-extrusion film and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610695118.XA CN106129279B (en) 2016-08-22 2016-08-22 Polymer Li-ion battery flexible package internal layer co-extrusion film and preparation method thereof

Publications (2)

Publication Number Publication Date
CN106129279A true CN106129279A (en) 2016-11-16
CN106129279B CN106129279B (en) 2018-09-21

Family

ID=57280191

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610695118.XA Active CN106129279B (en) 2016-08-22 2016-08-22 Polymer Li-ion battery flexible package internal layer co-extrusion film and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106129279B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107732036A (en) * 2017-10-16 2018-02-23 深圳鸿恩高科新能源有限公司 A kind of military industry equipment big flow power supply
CN109461848A (en) * 2018-09-18 2019-03-12 惠州亿纬锂能股份有限公司 Lithium ion battery flexible packaging film and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1314008A (en) * 1999-04-08 2001-09-19 大日本印刷株式会社 meterial for packaging cell, bag for packaging cell, and its production method
CN103700789A (en) * 2013-12-31 2014-04-02 昆山永翔光电科技有限公司 Flexible packaging film of polymer lithium ion battery, and preparation method of flexible packaging film
CN104934552A (en) * 2015-06-11 2015-09-23 武汉佳立有色金属材料有限公司 Preparation method of flexible package material of lithium ion battery
CN104966799A (en) * 2015-07-13 2015-10-07 苏州锂盾储能材料技术有限公司 Multifunctional composite packaging barrier aluminum-plastic film for lithium battery
CN105185928A (en) * 2015-08-16 2015-12-23 苏州锂盾储能材料技术有限公司 Package film capable of being applied to polymer lithium-ion battery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1314008A (en) * 1999-04-08 2001-09-19 大日本印刷株式会社 meterial for packaging cell, bag for packaging cell, and its production method
CN103700789A (en) * 2013-12-31 2014-04-02 昆山永翔光电科技有限公司 Flexible packaging film of polymer lithium ion battery, and preparation method of flexible packaging film
CN104934552A (en) * 2015-06-11 2015-09-23 武汉佳立有色金属材料有限公司 Preparation method of flexible package material of lithium ion battery
CN104966799A (en) * 2015-07-13 2015-10-07 苏州锂盾储能材料技术有限公司 Multifunctional composite packaging barrier aluminum-plastic film for lithium battery
CN105185928A (en) * 2015-08-16 2015-12-23 苏州锂盾储能材料技术有限公司 Package film capable of being applied to polymer lithium-ion battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107732036A (en) * 2017-10-16 2018-02-23 深圳鸿恩高科新能源有限公司 A kind of military industry equipment big flow power supply
CN109461848A (en) * 2018-09-18 2019-03-12 惠州亿纬锂能股份有限公司 Lithium ion battery flexible packaging film and preparation method thereof

Also Published As

Publication number Publication date
CN106129279B (en) 2018-09-21

Similar Documents

Publication Publication Date Title
CN103819814B (en) Polyolefin micro porous polyolefin membrane, stacking polyolefin micro porous polyolefin membrane, the manufacture method of polyolefin micro porous polyolefin membrane
CN104066577B (en) Multilayer tablet, backboard used for solar batteries and solar module
CN103213364B (en) Composite membrane for all-plastic lithium battery
CN106279904A (en) A kind of extrusion type solar energy backboard and preparation method thereof
CN105965999B (en) A kind of milk powder composite packing film
CN104868126A (en) Conductive substrate, electrode, energy storing device and preparation method thereof
CN206154819U (en) Lithium ion battery is plastic -aluminum complex film for soft -packing
CN107708994A (en) Layered product, packaging bag, the packaging bag with mouth plug and the packaging bag of the band mouth plug equipped with hydrogen rich water
CN107745561A (en) A kind of scissile nylon EVOH high-resistant diaphragms and its production method
CN106129279A (en) Polymer Li-ion battery flexible package internal layer co-extrusion film and preparation method thereof
CN102825877B (en) Multi-layer plastic composite isolating sheet and production process thereof
CN109397820A (en) A kind of composite membrane containing EAA, LDPE and LLDPE, preparation method and application
CN108666512A (en) A kind of lithium ion battery composite separation membrane and preparation method thereof
CN111129192A (en) Polyolefin film, preparation method thereof, solar cell back plate and solar cell
CN107305930A (en) Electrical storage device housing material and electrical storage device
CN204732475U (en) Conductive base, electrode and battery
CN106299163A (en) Lithium ion battery flexible package internal layer co-extrusion film and preparation method thereof
CN103395244A (en) Lithium battery flexible packaging film prepared through tape casting and preparation method thereof
CN209266446U (en) A kind of polymer Li-ion battery
CN204991768U (en) High performance lithium cell composite packaging plastic -aluminum membrane
CN110048036A (en) Reinforcing rib piece and preparation method thereof, battery core and preparation method thereof and soft-package battery
CN202986265U (en) Antibacterial barrier five-layer co-extruded composite film
CN214766702U (en) High-barrier flexible packaging structure
CN103400946A (en) Special flexible packaging film for lithium-ion power battery and energy storage lithium battery and preparation method thereof
CN105856594A (en) Method for preparing multilayer filler/fluoroether rubber composition through layering method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 214151 Wuxi Province, Huishan District, the streets of the Bridge Creek Community

Applicant after: Jiangsu Hua Gu new materials Co.,Ltd.

Address before: 214151 Wuxi Province, Huishan District, the streets of the Bridge Creek Community

Applicant before: WUXI HUAYING LITHIUM NEW MATERIAL Co.,Ltd.

CB02 Change of applicant information
CB03 Change of inventor or designer information

Inventor after: Qiu Xiaolin

Inventor after: Wu Yutao

Inventor after: Tang Youkai

Inventor after: Chen Chunyang

Inventor after: Chen Zhenjie

Inventor after: Fu Jianding

Inventor before: Qiu Xiaolin

Inventor before: Wu Yutao

Inventor before: Tang Youkai

Inventor before: Chen Chunyang

Inventor before: Chen Zhenjie

Inventor before: Fu Jianding

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20231130

Address after: No.55 rongtongdao Road, Xishan Economic Development Zone, Wuxi City, Jiangsu Province, 214000

Patentee after: JIANGSU LEATER GREEN PACKAGING Corp.,Ltd.

Address before: 214151 Xinan Community, Qianqiao Street, Huishan District, Wuxi City, Jiangsu Province

Patentee before: Jiangsu Hua Gu new materials Co.,Ltd.

TR01 Transfer of patent right