CN108527987A - Release film in a kind of improved B OPET coating - Google Patents
Release film in a kind of improved B OPET coating Download PDFInfo
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- CN108527987A CN108527987A CN201810306917.2A CN201810306917A CN108527987A CN 108527987 A CN108527987 A CN 108527987A CN 201810306917 A CN201810306917 A CN 201810306917A CN 108527987 A CN108527987 A CN 108527987A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- 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
- B32B7/06—Interconnection of layers permitting easy separation
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- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
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- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
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- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance 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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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- 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
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- 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
- B32B2307/554—Wear resistance
-
- 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
- B32B2307/584—Scratch resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/71—Resistive to light or to UV
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/712—Weather resistant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7244—Oxygen barrier
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- Chemical & Material Sciences (AREA)
- Carbon And Carbon Compounds (AREA)
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Abstract
Release film in being coated with the invention discloses a kind of improved B OPET, including BOPET film layer, PI film layers and the silicone release layer set gradually, BOPET film layer upper surface is coated with PVOH coatings, and the upper surface of the PVOH coatings is provided with the anti-corrosion film layer being combined by graphite ene coatings and ceramic coating.In the BOPET coating release films of the present invention, due to being provided with PVOH coatings in the upper surface of BOPET base membrane layers, the integral strength of coating release film can be greatly improved；Ethylene-vinyl alcohol copolymer layer and polyvinylamine polyvinyl alcohol copolymer layer are provided in the compound barrier layer of water oxygen of the application, since above-mentioned polymer is to be combined the iris action of polyvinyl processability and vinyl alcohol polymer, so that ethylene-vinyl alcohol copolymer not only shows fabulous processing performance, but also excellent blocking effect is showed to gas, smell, fragrance, solvent etc..
Description
Technical field
Release film in being coated with the present invention relates to a kind of improved B OPET.
Background technology
Release film refers to the film that surface has separation property, after release film contacts under limited conditions with specific material
Without viscosity or slight viscosity.Release film is also known as stripping film, isolation film, seperation film, adhesive block film, fractal film, film, modeling
Expect film, masking hole film, silicon oil membrane, silicone oil paper, antiadhesion barrier, type paper, skidding film, that paper of day or release paper etc..Release film is wide at present
General fields, the unique low surface tensions such as electronics adhesive, printed wiring board, mobile phone of being applied to makes its own be not easy to adhere to it
His material.With the development of economy, the application of release film is more and more extensive.Common release film mainly by basement membrane and with the base
The paper composition that film fits.
The release film-strength of existing BOPET coatings is relatively low, and corrosion resistance and heat insulation are poor, and electronics industry wants it
Seek higher, it is desirable that it is with higher intensity, more resistant, scratch resistant, and pollution resistance is stronger.
On the other hand, release film has higher choke is moisture-proof to wait barrier properties in BOPET coatings used in also requiring,
To extend the service life and shelf-life of release film and the electronic product of its protection in BOPET coatings.
Invention content
Purpose of the present invention is to provide release film in a kind of improved B OPET coating in view of the defects existing in the prior art.
The present invention to achieve the above object, adopts the following technical scheme that：Release film in a kind of improved B OPET coating, packet
The BOPET film layer set gradually, PI film layers and silicone release layer are included, BOPET film layer upper surface is coated with PVOH
Coating, the upper surface of the PVOH coatings are provided with the anti-corrosion film layer being combined by graphite ene coatings and ceramic coating；It is described
The lower layer of silicone release layer is provided with the compound barrier layer of water oxygen；Wherein, the compound barrier layer of the water oxygen includes being arranged on top
The boron nitride nanometer layer of layer, is arranged the evoh layer on intermediate upper layer, the water-soluble poly in intermediate middle level is arranged
Nitride layer is closed, polyvinylamine-polyvinyl alcohol copolymer layer in immediate underlying layer is set, and the graphene being arranged in lower part lower layer is received
Rice layer；Wherein, the thickness of the boron nitride nanometer layer is 100-180nm, and the thickness of the evoh layer is
The thickness of 50-70nm, the water-soluble polymer layer are 50-80nm, the thickness of the polyvinylamine-polyvinyl alcohol copolymer layer
Thickness for 40-60nm, the graphene nano layer is 150-180nm；
Wherein, the boron nitride nanometer material preparation method in the boron nitride nanometer layer is：By one-dimensional borate predecessor
It is heated to 2200~2500 DEG C and insulation reaction in nitrogen containing atmosphere, is cooled to subzero ten degree in protective gas later, obtains
Crude product, then the crude product is post-processed, obtain shown boron nitride nanometer material；
Wherein, the polyvinylamine-polyvinyl alcohol copolymer layer is formed by following substance combined polymerization:(a) it 60 arrives
The N- vinyl formamides and (b) 2 of 2mol% arrive one or more vinyl C1-C10 Arrcostabs of 66mol%, then from altogether
Poly- unit (a) hydrolyzes 50 to 70mol% formoxyl to form amino, is hydrolyzed from copolymerization units (b) to 60 to 90mol%'s
C1-C10 alkyl ester group forms hydroxyl, and wherein there is copolymer single composition to be distributed, by gel infiltration gradient elution color
Substantially unitary peak in spectrum analysis proves；
Wherein, the ethylene-vinyl alcohol copolymer in the evoh layer is with solvent, vinylacetate list
Body, initiator and vinyl monomer are raw material, through including displacement in kettle, initial charge, polymerisation, the residual list of blowout and saponification step
Prepare ethylene-vinyl alcohol copolymer；Raw material oxygen scavenging step is also carried out before built in progress kettle alternatively, the raw material deoxygenation is by vinegar
Sour vinyl monomer, solvent and initiator are added in mixing channel and stir, and are passed through nitrogen while stirring and are uniformly mixed, into line replacement, make
Oxygen content is less than 2.0 × 10-3mol/L in the system of obtaining；
Wherein, the preparation method of the graphene nano material in the graphene nano layer is：(1) expansible graphite is put
It sets to be added in dispersant after carrying out microwave treatment in crucible and is ultrasonically treated to obtain slurry, then slurry is centrifuged
Processing, slurry are divided into upper layer and lower layer, remove supernatant liquor, and graphene oxide is prepared；(2) p-aminobenzene sulfonic acid is distributed to
Mixed solution is obtained in acid solution, mixed solution is put into ice-water bath and is stirred, and is then instilled nitrous acid aqueous solution mixed
It closes in solution, obtains white precipitate, filtering cleaning obtains Diazosalt of sulfanilic acid；(3) by graphene oxide and to amino
Benzene sulfonic acid diazol mixes, and stirring and washing filters under ice-water bath, obtains the graphene oxide slurry of sulfonic group modification；Then will
The graphene oxide slurry baking of sulfonic group modification is until slurries are dried；The graphene oxide of last p-sulfonic acid base modification carries out powder
Broken processing obtains the graphene oxide of sulfonic group modification.
Further, the upper surface setting antimony tin particle and carbon particle composite layer of the anti-corrosion film layer.
Further, the grain size of the antimony tin particle and the tin oxide particles in carbon particle composite layer is in 10-20nm
Between.
Beneficial effects of the present invention：In the BOPET coating release films of the present invention, due in the upper surface of BOPET base membrane layers
Provided with PVOH coatings, the integral strength of coating release film can be greatly improved；It is arranged in the compound barrier layer of water oxygen of the application
Evoh layer and polyvinylamine-polyvinyl alcohol copolymer layer, since above-mentioned polymer is by ethene polymers
Processability and the iris action of vinyl alcohol polymer be combined so that ethylene-vinyl alcohol copolymer not only shows fabulous
Processing performance, and excellent blocking effect is showed to gas, smell, fragrance, solvent etc.；And due in PVOH coatings
It is upper to be provided with the anti-corrosion film layer being combined by graphite ene coatings and ceramic coating, make the weatherability and chemistry of release film in coating
Corrosivity greatly enhances, while also having wear-resistant well and scoring resistance energy.It should be noted that PVOH coatings are arranged
Between BOPET base membrane layers and anti-corrosion film layer, it can be directly exposed in air and by humidity, avoid to avoid PVOH coatings
The oxygen-barrier property of PVOH reduces.The purpose of antimony tin particle and carbon particle composite layer of setting is to absorb ultraviolet light, Ke Yi great
The big heat insulation for improving release film in BOPET coatings.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the compound barrier schematic diagram of a layer structure of water oxygen of the present invention.
Specific implementation mode
Shown in Fig. 1, it is related to release film in a kind of improved B OPET coating, including BOPET film layer 3, the PI set gradually
Film layer 2 and silicone release layer 1,3 upper surface of BOPET film layer be coated with PVOH coatings 4, the PVOH coatings 4 it is upper
Surface is provided with the anti-corrosion film layer 5 being combined by graphite ene coatings and ceramic coating.
It, can due to being provided with PVOH coatings in the upper surface of BOPET base membrane layers in the BOPET coating release films of the present invention
To greatly improve the integral strength of coating release film；And it is applied by graphite ene coatings and ceramics due to being provided on PVOH coatings
The anti-corrosion film layer that layer is combined, makes the weatherability of release film and chemical corrosivity in coating greatly enhance, while also having very
Good wear-resistant and scoring resistance energy.It should be noted that by the setting of PVOH coatings BOPET base membrane layers and anti-corrosion film layer it
Between, it can be directly exposed in air and by humidity to avoid PVOH coatings, the oxygen-barrier property of PVOH is avoided to reduce.It is arranged
The purpose of antimony tin particle and carbon particle composite layer be absorb ultraviolet light, can greatly improve BOPET coating in release film every
Thermal effect.
In Fig. 2, the compound barrier layer 20 of water oxygen includes the boron nitride nanometer layer 21 being arranged on top upper layer, is arranged in
Between upper layer evoh layer 22, the water-soluble polymer layer 23 in intermediate middle level is set, is arranged in immediate underlying layer
Polyvinylamine-polyvinyl alcohol copolymer layer 24, and the graphene nano layer 25 in lower part lower layer is set；Wherein, the nitrogen
The thickness for changing boron nanometer layer is 100-180nm, and the thickness of the evoh layer is 50-70nm, the water solubility
The thickness of polymeric layer is 50-80nm, and the thickness of the polyvinylamine-polyvinyl alcohol copolymer layer is 40-60nm, the graphite
The thickness of alkene nanometer layer is 150-180nm.
Wherein, the boron nitride nanometer material preparation method in the boron nitride nanometer layer is：By one-dimensional borate predecessor
It is heated to 2200~2500 DEG C and insulation reaction in nitrogen containing atmosphere, is cooled to subzero ten degree in protective gas later, obtains
Crude product, then the crude product is post-processed, obtain shown boron nitride nanometer material；
Wherein, the polyvinylamine-polyvinyl alcohol copolymer layer is formed by following substance combined polymerization:(a) it 60 arrives
The N- vinyl formamides and (b) 2 of 2mol% arrive one or more vinyl C1-C10 Arrcostabs of 66mol%, then from altogether
Poly- unit (a) hydrolyzes 50 to 70mol% formoxyl to form amino, is hydrolyzed from copolymerization units (b) to 60 to 90mol%'s
C1-C10 alkyl ester group forms hydroxyl, and wherein there is copolymer single composition to be distributed, by gel infiltration gradient elution color
Substantially unitary peak in spectrum analysis proves；
Wherein, the ethylene-vinyl alcohol copolymer in the evoh layer is with solvent, vinylacetate list
Body, initiator and vinyl monomer are raw material, through including displacement in kettle, initial charge, polymerisation, the residual list of blowout and saponification step
Prepare ethylene-vinyl alcohol copolymer；Raw material oxygen scavenging step is also carried out before built in progress kettle alternatively, the raw material deoxygenation is by vinegar
Sour vinyl monomer, solvent and initiator are added in mixing channel and stir, and are passed through nitrogen while stirring and are uniformly mixed, into line replacement, make
Oxygen content is less than 3.0 × 10-3mol/L in the system of obtaining；
Wherein, the preparation method of the graphene nano material in the graphene nano layer is：(1) expansible graphite is put
It sets to be added in dispersant after carrying out microwave treatment in crucible and is ultrasonically treated to obtain slurry, then slurry is centrifuged
Processing, slurry are divided into upper layer and lower layer, remove supernatant liquor, and graphene oxide is prepared；(2) p-aminobenzene sulfonic acid is distributed to
Mixed solution is obtained in acid solution, mixed solution is put into ice-water bath and is stirred, and is then instilled nitrous acid aqueous solution mixed
It closes in solution, obtains white precipitate, filtering cleaning obtains Diazosalt of sulfanilic acid；(3) by graphene oxide and to amino
Benzene sulfonic acid diazol mixes, and stirring and washing filters under ice-water bath, obtains the graphene oxide slurry of sulfonic group modification；Then will
The graphene oxide slurry baking of sulfonic group modification is until slurries are dried；The graphene oxide of last p-sulfonic acid base modification carries out powder
Broken processing obtains the graphene oxide of sulfonic group modification.
In the compound barrier layer of water oxygen of the application, using graphene nano layer and boron nitride nanometer layer impermeability and
It closes the nanoscale of rule, has the barrier property and PET film high to gas excellent BOPET obtained coating release films
Mechanical performance can significantly increase the barrier property of composite membrane, substantially increase the shelf-life of electronic product.
Another key technology is, evoh layer is provided in the compound barrier layer of the water oxygen of the application 2
With polyvinylamine-polyvinyl alcohol copolymer layer, since above-mentioned polymer is to polymerize polyvinyl processability and vinyl alcohol
The iris action of object is combined so that ethylene-vinyl alcohol copolymer not only shows fabulous processing performance, but also to gas
Body, smell, fragrance, solvent etc. show excellent blocking effect.Also, in known available polymer, polyvinyl alcohol
(PVOH) gas permeability is minimum.Currently, it is this that ethylene-vinyl alcohol copolymer (EVOH) copolymer, which is in current prior art,
What sample was produced：It is ethylene and vinyl acetate copolymerization first, followed by hydrolyzes the copolymer and obtain ethylene-vinyl alcohol.Therefore, still
The iris action of height is remained, and is had clear improvement in terms of moisture-proof and processing performance.
For in nature, EVOH copolymers are highly crystalline bodies, its property depends primarily on the phase of its comonomer
To concentration.In general, when ethylene contents increase, gas barrier property declines, and humidity resistance is improved, and resin is easier to add
Work.
Wherein：The upper surface setting antimony tin particle and carbon particle composite layer 6 of the anti-corrosion film layer 5.
The purpose of antimony tin particle and carbon particle composite layer of setting is to absorb ultraviolet light, can greatly improve BOPET paintings
The heat insulation of cloth release film.Preferably, the grain size of the antimony tin particle and the tin oxide particles in carbon particle composite layer 6
Between 10-20nm.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (3)
1. release film in a kind of improved B OPET coatings, it is characterised in that：Including BOPET film layer (3), the PI set gradually
Film layer (2) and silicone release layer (1), BOPET film layer (3) upper surface are coated with PVOH coatings (4), and the PVOH is applied
The upper surface of layer (4) is provided with the anti-corrosion film layer (5) being combined by graphite ene coatings and ceramic coating；The silicone release layer
(1) lower layer is provided with the compound barrier layer of water oxygen (20)；Wherein, the compound barrier layer of the water oxygen (2) includes being arranged on top
The boron nitride nanometer layer of layer, is arranged the evoh layer on intermediate upper layer, the water-soluble poly in intermediate middle level is arranged
Nitride layer is closed, polyvinylamine-polyvinyl alcohol copolymer layer in immediate underlying layer is set, and the graphene being arranged in lower part lower layer is received
Rice layer；Wherein, the thickness of the boron nitride nanometer layer is 100-180nm, and the thickness of the evoh layer is
The thickness of 50-70nm, the water-soluble polymer layer are 50-80nm, the thickness of the polyvinylamine-polyvinyl alcohol copolymer layer
Thickness for 40-60nm, the graphene nano layer is 150-180nm；
Wherein, the boron nitride nanometer material preparation method in the boron nitride nanometer layer is：By one-dimensional borate predecessor containing
It is heated to 2200~2500 DEG C and insulation reaction in nitrogen atmosphere, is cooled to subzero ten degree in protective gas later, obtains thick production
Object, then the crude product is post-processed, obtain shown boron nitride nanometer material；
Wherein, the polyvinylamine-polyvinyl alcohol copolymer layer is formed by following substance combined polymerization:(a) 60 arrive 2mol%'s
N- vinyl formamides and (b) 2 arrive one or more vinyl C1-C10 Arrcostabs of 66mol%, then from copolymerization units (a)
50 to 70mol% formoxyl is hydrolyzed to form amino, the C1-C10 alkyl to 60 to 90mol% is hydrolyzed from copolymerization units (b)
Ester group forms hydroxyl, and wherein there is copolymer single composition to be distributed, in being analyzed by gel infiltration gradient elution chromatography
Substantially unitary peak proves；
Wherein, the ethylene-vinyl alcohol copolymer in the evoh layer with solvent, Vinyl Acetate Monomer, draw
It is raw material to send out agent and vinyl monomer, through including prepared by displacement in kettle, initial charge, polymerisation, the residual list of blowout and saponification step
Ethylene-vinyl alcohol copolymer；Raw material oxygen scavenging step is also carried out before built in progress kettle alternatively, the raw material deoxygenation is by acetic acid second
Alkene monomer, solvent and initiator are added in mixing channel and stir, and are passed through nitrogen while stirring and are uniformly mixed, into line replacement so that body
Oxygen content is less than 2.0 × 10-3mol/L in system；
Wherein, the preparation method of the graphene nano material in the graphene nano layer is：(1) expansible graphite is placed on
It is added in dispersant after progress microwave treatment in crucible and is ultrasonically treated to obtain slurry, then slurry is carried out at centrifugation
Reason, slurry are divided into upper layer and lower layer, remove supernatant liquor, and graphene oxide is prepared；(2) p-aminobenzene sulfonic acid is distributed to acid
Property solution in obtain mixed solution, mixed solution is put into ice-water bath and is stirred, then by nitrous acid aqueous solution instill mix
In solution, white precipitate is obtained, filtering cleaning obtains Diazosalt of sulfanilic acid；(3) by graphene oxide and p-aminophenyl
Sulfonic acid diazol mixes, and stirring and washing filters under ice-water bath, obtains the graphene oxide slurry of sulfonic group modification；Then by sulphur
The graphene oxide slurry baking of acidic group modification is until slurries are dried；The graphene oxide of last p-sulfonic acid base modification crushes
Processing obtains the graphene oxide of sulfonic group modification.
2. release film in a kind of improved B OPET coatings as described in claim 1, it is characterised in that：The anti-corrosion film layer (5)
Upper surface setting antimony tin particle and carbon particle composite layer (6).
3. release film in a kind of improved B OPET coatings as claimed in claim 2, it is characterised in that：The antimony tin grain
The grain size of son and the tin oxide particles in carbon particle composite layer (6) is between 10-20nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810306917.2A CN108527987A (en) | 2018-04-08 | 2018-04-08 | Release film in a kind of improved B OPET coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810306917.2A CN108527987A (en) | 2018-04-08 | 2018-04-08 | Release film in a kind of improved B OPET coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109266641A (en) * | 2018-09-27 | 2019-01-25 | 福建海峡石墨烯产业技术研究院有限公司 | A kind of method and detecting electrode that enzyme is fixed on graphene based on glutaraldehyde |
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|---|---|---|---|---|
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