CN107901547A - A kind of multi-layer co-extruded plastics film of graphene and preparation method thereof - Google Patents
A kind of multi-layer co-extruded plastics film of graphene and preparation method thereof Download PDFInfo
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- CN107901547A CN107901547A CN201711116170.6A CN201711116170A CN107901547A CN 107901547 A CN107901547 A CN 107901547A CN 201711116170 A CN201711116170 A CN 201711116170A CN 107901547 A CN107901547 A CN 107901547A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 35
- 239000003000 extruded plastic Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000000071 blow moulding Methods 0.000 claims abstract description 4
- 238000007664 blowing Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- -1 phthalic acid ester Chemical class 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 9
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 7
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 6
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 claims description 3
- LULSEYFKPZZWTR-UHFFFAOYSA-N 4-[dodecyl(methyl)amino]butane-1-sulfonic acid Chemical compound C[NH+](CCCCS(=O)(=O)[O-])CCCCCCCCCCCC LULSEYFKPZZWTR-UHFFFAOYSA-N 0.000 claims description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 3
- WBYWAXJHAXSJNI-SREVYHEPSA-N Cinnamic acid Chemical compound OC(=O)\C=C/C1=CC=CC=C1 WBYWAXJHAXSJNI-SREVYHEPSA-N 0.000 claims description 3
- 239000004697 Polyetherimide Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 229930016911 cinnamic acid Natural products 0.000 claims description 3
- 235000013985 cinnamic acid Nutrition 0.000 claims description 3
- LDCRTTXIJACKKU-ARJAWSKDSA-N dimethyl maleate Chemical compound COC(=O)\C=C/C(=O)OC LDCRTTXIJACKKU-ARJAWSKDSA-N 0.000 claims description 3
- OBNCKNCVKJNDBV-UHFFFAOYSA-N ethyl butyrate Chemical compound CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 claims description 3
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 3
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 claims description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 229920001601 polyetherimide Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 3
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims description 3
- BKOOMYPCSUNDGP-UHFFFAOYSA-N trimethyl-ethylene Natural products CC=C(C)C BKOOMYPCSUNDGP-UHFFFAOYSA-N 0.000 claims description 3
- 229920000877 Melamine resin Polymers 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims 1
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical compound CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 claims 1
- 239000002985 plastic film Substances 0.000 abstract description 14
- 229920006255 plastic film Polymers 0.000 abstract description 14
- 230000007812 deficiency Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 230000004927 fusion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001493 electron microscopy Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- DHXNZYCXMFBMHE-UHFFFAOYSA-N 3-bromopropanoic acid Chemical compound OC(=O)CCBr DHXNZYCXMFBMHE-UHFFFAOYSA-N 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/402—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/56—Screws having grooves or cavities other than the thread or the channel
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of preparation method of the multi-layer co-extruded plastics film of graphene, comprise the following steps：A, basic unit is made；B, liner layer is made；C, outer lining is made；D, top layer is made；E, the mixture made in step A D is delivered in blowing head by extruder respectively, the multi-layer co-extruded plastics film of graphene is made using blow molding process.The present invention can improve the deficiencies in the prior art, improve the performance of Multilayer plastic film.
Description
Technical field
The present invention relates to processing of high molecular material manufacturing technology field, especially a kind of multi-layer co-extruded plastics film of graphene
And preparation method thereof.
Background technology
With the development of Polymer Technology, the Multilayer plastic film with various characteristics is applied to all kinds of productions or life cycle
In border.Wherein, it is the technique of the most common type production Multilayer plastic film using coextrusion blow shaping.In recent years, graphene this
One new material is gradually widely used in every field, and original material is processed and is modified by using graphene, can be with
Improve the performance of many materials.It is contemplated that research and development are a kind of to be modified working process by graphene to Multilayer plastic film
Method, improves the performance of existing Multilayer plastic film.
The content of the invention
The technical problem to be solved in the present invention is to provide multi-layer co-extruded plastics film of a kind of graphene and preparation method thereof, carry
The high performance of Multilayer plastic film.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of preparation method of the multi-layer co-extruded plastics film of graphene, comprises the following steps：
A, basic unit is made,
The component of following mass fraction is mixed, extruder is put into and is extruded,
100~120 parts of butyl acetate, 55~60 parts of paraffin, 30~40 parts of phthalic acid ester, 70~100 parts
Methyl orthosilicate, 15~20 parts of dimethyl maleate, 730~800 parts of polymethyl methacrylate, 1000~
1500 parts of ethylene-vinyl acetate copolymer；
Extrusion pressure control is controlled in 2~2.2kg/h in 3.5~4bar, extruded velocity；
B, liner layer is made,
The component of following mass fraction is mixed, extruder is put into and is extruded,
100~120 parts of ethylene glycol, 30~40 parts of polyetherimide, 50~80 parts of aramid fiber, 200~300 parts
Melamine resin, 500~600 parts of polymethyl methacrylate, 800~1200 parts of ethene-vinyl acetate be total to
Polymers, 15~20 parts of graphene powder；
Extrusion pressure control is in 2.5~3bar, and extruded velocity is controlled in 3~3.5kg/h, and the granularity of graphene powder is 10
~50 μm；
C, outer lining is made,
The component of following mass fraction is mixed, extruder is put into and is extruded,
150~180 parts of ethylene glycol, 300~400 parts of poly butyric ester, 10~20 parts of stearic acid, 100~150
The polytrifluorochloroethylene, 120~140 parts of cinnamic acid -2- propylene base ester, 1200~1500 parts of ethene-vinegar of part
Sour ethylene copolymer, 50~100 parts of graphene powder；
Extrusion pressure control is in 3~3.5bar, and extruded velocity is controlled in 3~3.5kg/h, and the granularity of graphene powder is 10
~50 μm；
D, top layer is made,
The component of following mass fraction is mixed, extruder is put into and is extruded,
200~220 parts of polyformaldehyde, 100~130 parts of 3- methyl-2-butene aldehydes, 100~150 parts of butadiene, 70
~100 parts of 3- ethyl bromides, 50~60 parts of N, N- diisopropyls aniline, the different sulfuric ester of 110~160 parts of the tert-butyl group, 700
~800 parts of ethylene-vinyl acetate copolymer, 500~700 parts of polyethylene；
Extrusion pressure control is controlled in 3~3.5kg/h in 3~3.2bar, extruded velocity；
E, the mixture made in step A-D is delivered in blowing head by extruder respectively, uses blow molding process
Make the multi-layer co-extruded plastics film of graphene.
Preferably, in step B, 50~60 parts of 3- sulfopropyl dodecyldimethylamine base ammoniums are further included.
Preferably, in step C, 15~30 parts of 3,4- difluorobenzyl alcohols are further included.
Preferably, the extruder includes casing, two screw rods are symmetrically installed with casing, it is spiral on screw rod to be provided with
Thread, thread side are uniformly arranged fluted, the interlaced setting of groove on two screw rods, are connected in groove by spring body
There is jacking block, the sealing ring in sealing contact with groove is provided with the outside of jacking block, bellmouth, bellmouth lower section are provided with the top of jacking block
Cavity is provided with, the side wall of bellmouth is provided with the first through hole connected with outside, and first through hole is located at the top of sealing ring, empty
The side wall of chamber is provided with the second through hole of outside connection, and one end of the second through hole is connected with cavity, the other end position of the second through hole
In the surface of screw rod, 5~7 threads are crossed at the both ends of the second through hole.
Preferably, being provided with annular groove at the top of the jacking block, slided on annular groove and be provided with cylindricality diversion pipe, column
Several water conservancy diversion straight slots are offered on the side wall of shape diversion pipe, water conservancy diversion straight slot is parallel with the side wall of thread.
A kind of multi-layer co-extruded plastics film of graphene, is prepared using above-mentioned preparation method.
It is using beneficial effect caused by above-mentioned technical proposal：The present invention is prepared for four layers of plastic film layer, Ran Houtong
The technique for crossing coextrusion blow realizes being integrally formed for plastic film layer.By adding graphene in internal layer and rationally adjusting each layer
Component proportion, can effectively improve the elongation and tensile strength of plastic foil.At the same time, after the present invention is for graphene is added
The problem of degrees of fusion is poor between film layer, further improves the component of liner layer and outer lining, so as to improve different film layers
Between degrees of fusion.Technique in the present invention for plastic layers co-extrusion specially devises the screw-rod structure of extruder, by
Jacking block is set on thread, and the local pressure change that can occur in an extruder to material is effectively buffered, so as to improve
The material smoothness that pressure controls in an extruder.
Brief description of the drawings
Fig. 1 is basic unit and the electron microscopy observation figure of liner layer interface in embodiment 1.
Fig. 2 is top layer and the electron microscopy observation figure of outer lining interface in embodiment 1.
Fig. 3 is basic unit and the electron microscopy observation figure of liner layer interface in embodiment 2.
Fig. 4 is top layer and the electron microscopy observation figure of outer lining interface in embodiment 3.
Fig. 5 is the structure chart of plastic film in the present invention.
Fig. 6 is the structure chart of extruder in the present invention.
Fig. 7 is the structure chart of extruder thread in the present invention.
Fig. 8 is the sectional view of thread upper groove in the present invention.
In figure：1st, casing；2nd, screw rod；3rd, thread；4th, groove；5th, spring body；6th, jacking block；7th, sealing ring；8th, bellmouth；9、
Cavity；10th, first through hole；11st, the second through hole；12nd, annular groove；13rd, cylindricality diversion pipe；14th, water conservancy diversion straight slot；15th, baffle；
16th, basic unit；17th, liner layer；18th, outer lining；19th, top layer.
Embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and attached drawing
Record can carry out customized, and the specific connection mode of each part is using bolt ripe in the prior art, rivet, weldering
The conventional means such as connect, paste, this will not be detailed here.
Embodiment 1
With reference to Fig. 5, a kind of preparation method of the multi-layer co-extruded plastics film of graphene, comprises the following steps：
A, basic unit is made,
The component of following mass fraction is mixed, extruder is put into and is extruded,
100 parts of butyl acetate, 55 parts of paraffin, 35 parts of phthalic acid ester, 85 parts of methyl orthosilicate, 20 parts
Dimethyl maleate, 770 parts of polymethyl methacrylate, 1200 parts of ethylene-vinyl acetate copolymer；
Extrusion pressure control is controlled in 2kg/h in 3.8bar, extruded velocity；
B, liner layer is made,
The component of following mass fraction is mixed, extruder is put into and is extruded,
120 parts of ethylene glycol, 40 parts of polyetherimide, 55 parts of aramid fiber, 235 parts of melamino-formaldehyde tree
Fat, 575 parts of polymethyl methacrylate, 1000 parts of ethylene-vinyl acetate copolymer, 18 parts of graphene powder；
Extrusion pressure control is in 3bar, and extruded velocity is controlled in 3kg/h, and the granularity of graphene powder is 10~50 μm；
C, outer lining is made,
The component of following mass fraction is mixed, extruder is put into and is extruded,
160 parts of ethylene glycol, 350 parts of poly butyric ester, 15 parts of stearic acid, 120 parts of polytrifluorochloroethylene,
140 parts of cinnamic acid -2- propylene base ester, 1350 parts of ethylene-vinyl acetate copolymer, 80 parts of Graphene powder
End；
Extrusion pressure control is in 3.2bar, and extruded velocity is controlled in 3kg/h, and the granularity of graphene powder is 10~50 μm；
D, top layer is made,
The component of following mass fraction is mixed, extruder is put into and is extruded,
220 parts of polyformaldehyde, 120 parts of 3- methyl-2-butene aldehydes, 145 parts of butadiene, 85 parts of 3- bromo-propionic acid second
Ester, 55 parts of N, N- diisopropyls aniline, the different sulfuric ester of 155 parts of the tert-butyl group, 800 parts of ethylene-vinyl acetate copolymer, 700
The polyethylene of part；
Extrusion pressure control is controlled in 3.5kg/h in 3bar, extruded velocity；
E, the mixture made in step A-D is delivered in blowing head by extruder respectively, uses blow molding process
Make the multi-layer co-extruded plastics film of graphene.
The plastic film that thickness is 350 μm is prepared using above-mentioned preparation method to be tested for the property：
| Tensile strength (MPa) | Elongation (%) | |
| Embodiment 1 | 15.7 | 36.5 |
Embodiment 2
The present embodiment improves on the basis of embodiment 1, in order to improve the degrees of fusion of liner layer and basic unit, step
In rapid B, 60 parts of 3- sulfopropyl dodecyldimethylamine base ammoniums are further included.Pass through comparison diagram 1 and Fig. 3, it can be seen that the present embodiment
Liner layer and the interface fusion ratio of basic unit are more uniform in the plastic film prepared.
The plastic film that thickness is 350 μm is prepared using above-mentioned preparation method to be tested for the property：
| Tensile strength (MPa) | Elongation (%) | |
| Embodiment 2 | 17.1 | 39.8 |
Embodiment 3
The present embodiment improves on the basis of embodiment 2.In order to improve the degrees of fusion of outer lining and top layer, step
In rapid C, 25 parts of 3,4- difluorobenzyl alcohols are further included.Pass through comparison diagram 2 and Fig. 4, it can be seen that what the present embodiment prepared
Liner layer and the interface fusion ratio of basic unit are more uniform in plastic film.
The plastic film that thickness is 350 μm is prepared using above-mentioned preparation method to be tested for the property：
| Tensile strength (MPa) | Elongation (%) | |
| Embodiment 2 | 20.2 | 42.4 |
In addition, with reference to Fig. 6-8, present invention is specifically directed to above-mentioned preparation process, there is provided a kind of extruder structure.Extruder
Including casing 1, two screw rods 2 are symmetrically installed with casing 1, spiral on screw rod 2 to be provided with thread 3,3 side of thread is uniformly arranged
Fluted 4, the 4 interlaced setting of groove on two screw rods 2, is connected with jacking block 6 in groove 4 by spring body 5, jacking block 6
Outside is provided with the sealing ring 7 in sealing contact with groove 4, and the top of jacking block 6 is provided with bellmouth 8, and the lower section of bellmouth 8 sets free
Chamber 9, the side wall of bellmouth 8 are provided with the first through hole 10 connected with outside, and first through hole 10 is located at the top of sealing ring 7, empty
The side wall of chamber 9 is provided with the second through hole 11 of outside connection, and one end of the second through hole 11 is connected with cavity 9, the second through hole 11
The other end is located at the surface of screw rod 2, and 5 threads 3 are crossed at the both ends of the second through hole 11.The top of jacking block 6 is provided with annular groove 12,
Slided on annular groove 12 and be provided with cylindricality diversion pipe 13, several water conservancy diversion straight slots are offered on the side wall of cylindricality diversion pipe 13
14, water conservancy diversion straight slot 14 is parallel with the side wall of thread 3.When the local pressure of extruder materials inside fluctuates, corresponding position
The jacking block 6 put can be moved according to pressure oscillation, so as to pressure oscillation into row buffering and counteracting.First through hole 10 and second
Through hole 11 can provide material flow passage, improve the stationarity that jacking block 6 is adjusted for material local pressure.Cylindricality diversion pipe 13
For improving the uniformity of Flow of Goods and Materials above jacking block.
Baffle 15 is staggeredly equipped with water conservancy diversion straight slot 14.The pressure that baffle 15 can further be homogenized Flow of Goods and Materials process is put down
Weighing apparatus degree.
In the description of the present invention, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention, rather than the device or element of instruction or hint meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of preparation method of the multi-layer co-extruded plastics film of graphene, it is characterised in that comprise the following steps：
A, basic unit is made,
The component of following mass fraction is mixed, extruder is put into and is extruded,
100~120 parts of butyl acetate, 55~60 parts of paraffin, 30~40 parts of phthalic acid ester, 70~100 parts just
Methyl silicate, 15~20 parts of dimethyl maleate, 730~800 parts of polymethyl methacrylate, 1000~1500 parts
Ethylene-vinyl acetate copolymer；
Extrusion pressure control is controlled in 2~2.2kg/h in 3.5~4bar, extruded velocity；
B, liner layer is made,
The component of following mass fraction is mixed, extruder is put into and is extruded,
100~120 parts of ethylene glycol, 30~40 parts of polyetherimide, 50~80 parts of aramid fiber, the three of 200~300 parts
Melamine-formaldehyde resin, 500~600 parts of polymethyl methacrylate, 800~1200 parts of ethylene-vinyl acetate copolymer,
15~20 parts of graphene powder；
Extrusion pressure control is in 2.5~3bar, and extruded velocity is controlled in 3~3.5kg/h, and the granularity of graphene powder is 10~50
μm；
C, outer lining is made,
The component of following mass fraction is mixed, extruder is put into and is extruded,
150~180 parts of ethylene glycol, 300~400 parts of poly butyric ester, 10~20 parts of stearic acid, 100~150 parts
Polytrifluorochloroethylene, 120~140 parts of cinnamic acid -2- propylene base ester, 1200~1500 parts of ethyl vinyl acetate second
Alkene copolymer, 50~100 parts of graphene powder；
Extrusion pressure control is in 3~3.5bar, and extruded velocity is controlled in 3~3.5kg/h, and the granularity of graphene powder is 10~50
μm；
D, top layer is made,
The component of following mass fraction is mixed, extruder is put into and is extruded,
200~220 parts of polyformaldehyde, 100~130 parts of 3- methyl-2-butene aldehydes, 100~150 parts of butadiene, 70~100
The 3- ethyl bromides, 50~60 parts of N of part, N- diisopropyls aniline, the different sulfuric ester of 110~160 parts of the tert-butyl group, 700~800
The ethylene-vinyl acetate copolymer, 500~700 parts of polyethylene of part；
Extrusion pressure control is controlled in 3~3.5kg/h in 3~3.2bar, extruded velocity；
E, the mixture made in step A-D is delivered in blowing head by extruder respectively, is made using blow molding process
The multi-layer co-extruded plastics film of graphene.
2. the preparation method of the multi-layer co-extruded plastics film of graphene according to claim 1, it is characterised in that：In step B,
Further include 50~60 parts of 3- sulfopropyl dodecyldimethylamine base ammoniums.
3. the preparation method of the multi-layer co-extruded plastics film of graphene according to claim 1, it is characterised in that：In step C,
Further include 15~30 parts of 3,4- difluorobenzyl alcohols.
4. the preparation method of the multi-layer co-extruded plastics film of graphene according to claim 1, it is characterised in that：Extruder bag
Include casing (1), be symmetrically installed with two screw rods (2) in casing (1), it is spiral on screw rod (2) to be provided with thread (3), thread (3) side
Face is uniformly arranged fluted (4), groove (4) interlaced setting on two screw rods (2), passes through spring body (5) in groove (4)
Jacking block (6) is connected with, is provided with the outside of jacking block (6) and is set with groove (4) sealing ring (7) in sealing contact, jacking block (6) top
There is bellmouth (8), be provided with cavity (9) below bellmouth (8), the side wall of bellmouth (8) is provided with first connected with outside
Through hole (10), first through hole (10) are located at the top of sealing ring (7), and the side wall of cavity (9) is provided with the second of outside connection and leads to
Hole (11), one end of the second through hole (11) are connected with cavity (9), and the other end of the second through hole (11) is located at the surface of screw rod (2),
5~7 threads (3) are crossed at the both ends of second through hole (11).
5. the preparation method of the multi-layer co-extruded plastics film of graphene according to claim 4, it is characterised in that：Jacking block (6)
Top is provided with annular groove (12), is slided on annular groove (12) and is provided with cylindricality diversion pipe (13), cylindricality diversion pipe (13)
Side wall on offer several water conservancy diversion straight slots (14), water conservancy diversion straight slot (14) is parallel with the side wall of thread (3).
A kind of 6. multi-layer co-extruded plastics film of graphene, it is characterised in that：Usage right requires the system described in any one in 1-5
Preparation Method is prepared.
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| CN110697249A (en) * | 2019-10-16 | 2020-01-17 | 界首市天鸿新材料股份有限公司 | Modified CPP film for lithium battery flexible packaging film |
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Denomination of invention: A graphene multilayer co extruded plastic film and its preparation method Effective date of registration: 20231120 Granted publication date: 20190906 Pledgee: Yinchuan SME Financing Guarantee Co.,Ltd. Pledgor: NINGXIA RUNLONG PACKAGING NEW MATERIAL Co.,Ltd. Registration number: Y2023640000043 |