CN105542272B - It is a kind of to be exclusively used in polyethylene basis film compound with polyvinyl alcohol film and preparation method thereof - Google Patents
It is a kind of to be exclusively used in polyethylene basis film compound with polyvinyl alcohol film and preparation method thereof Download PDFInfo
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- CN105542272B CN105542272B CN201510954388.3A CN201510954388A CN105542272B CN 105542272 B CN105542272 B CN 105542272B CN 201510954388 A CN201510954388 A CN 201510954388A CN 105542272 B CN105542272 B CN 105542272B
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- 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
- C08L23/06—Polyethene
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- 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
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- 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
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
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- C08L2201/14—Gas barrier composition
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- C08L2203/00—Applications
- C08L2203/16—Applications used for films
- C08L2203/162—Applications used for films sealable films
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- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Abstract
Polyethylene basis film compound with polyvinyl alcohol film and preparation method thereof is exclusively used in the invention discloses a kind of.This polyethylene basis film raw material is by polyethylene（PE）70‑90.5%（Wt%, similarly hereinafter）；Ethylene acrylic acid co polymer（EAA）5‑15%；Polyethylene glycol oxide（PEO)3‑10%；Polyethylene glycol（PEG)1‑3%；Precipitated silica 0.5 2.0% forms.It is granulated after and through double screw extruder at 120 180 DEG C, Single screw extrusion is in 160 180 DEG C of blowings or casting film-forming.With this modified polyethylene（PE）Film and polyvinyl alcohol（PVA）It can be greatly improved after Film laminated to the erosion damage under moisture or high humidity environment, laminated film is in relative humidity RH:Handled under 90% environment（23℃）48 it is small when after, its peel strength >=2.0N/15min.
Description
Technical field
The present invention relates to film applications, and in particular to a kind of to be exclusively used in the polyethylene basis compound with polyvinyl alcohol film thin
Film and preparation method thereof.
Background technology
Vinyon（PE）Film is widely used in water because the feature such as nonpoisonous and tasteless, safe and healthy, barrier steam
The packaging of fruits and vegetables and other food.But in use, since polyethylene film is low to the barrier of oxygen, carbon dioxide etc.,
So packaged food easily goes bad within a certain period of time because of oxidation or quality decline.In order to improve the property of packing film
Can, at present：1）The film excellent with barrier property use for composite is taken, as used the barriers such as EVOH, PVDC excellent
Film laminated prepares packaged food etc. and uses film；2）Polyolefin film aluminize etc., it is provided to improve polyolefin-based
The barrier property of material is to ensure the quality to packed articles such as food；3）Or directly use aluminium it is thin it is for composite after be used as packing timber
Material uses etc., the storage time and storage matter for being provided to improve the barrier property of packaging material and improving products to be packaged
Amount.The high barrier material taken at present such as EVOH, PVDC etc., not only price is high, processes also more difficult, its barrier property
Not as PVA；Though using the thin barrier property for composite that can greatly improve laminated film of aluminium, packaging material can only be impermeable
Bright packaging material, and the packaging material of PVA productions for composite is used, the barrier property of laminated film can be greatly improved,
And the transparency of laminated film can also be kept；PVA is kind of a cheap and good-quality barrier elite clone at the same time, has a large amount of exploitations
The real value used.
Due to polyvinyl alcohol（PVA）It is kind of a highly polar water-soluble high-molecular material, and other to be used in combination film
Base material polyethylene（PE）Film is nonpolar high molecular material, using it is directly for composite be extremely difficult and be difficult to realize
's.You must use intermediate layer be bonded it is compound just can guarantee that it is compound after film there is globality.It is both in having used
Between adhesive linkage, laminated film is under with the presence of moisture or high humidity environment, because the strong hygroscopicity of polyvinyl alcohol (PVA), also can
Causing laminated film to occur, destruction is even kept completely separate or composite bed departs from；This is because after polyvinyl alcohol (PVA) water suction, lead to
Cross film and infiltrate into intermediate layer and polyethylene（PE）Composite bed, and due to the non-polar plane of polyethylene film (PE)（That is oiliness face）
Easily produce water-oil separating in the presence of moisture and cause the composite surface of laminated film to occur separating and depart from, so as to reduce multiple
Closing the performance of film even completely loses the performance of laminated film
The purpose of the present invention be exactly in order to develop it is a kind of provided with high barrier and inexpensive packaging material one
The perfect solution of kind：By develop one kind be exclusively used in polyvinyl alcohol (PVA) it is for composite polyethylene (PE) basis it is thin
Film, the modified bonding force and phase that can be greatly improved to the polyvinyl alcohol of polarity that this polyethylene film passes through the technology of the present invention
Appearance ability, so as to ensure the composite quality and character of use of laminated film.This laminated film is that kind has high obstructing performance, excellent
Good mechanical and physical performance, the new packaging material that can be printed, can seal.Laminated film can be widely applied to water fruits and vegetables,
The packaging of the fresh food such as egg fowl；It can also apply to the direct packaging of other food；It also can apply to cosmetics, medicine isoreactivity
The packaging of article and storage.
The content of the invention
The present invention be it is a kind of be exclusively used in polyethylene basis film compound with polyvinyl alcohol film and preparation method thereof, be logical
Following technical scheme realization is crossed, concrete technical scheme is as follows.
It is a kind of to be exclusively used in the polyethylene basis film compound with polyvinyl alcohol film, the polyethylene basis film raw material be by
Following material and ratio composition, are granulated, then extruded Blown Film or curtain coating again after raw material mixing by double screw extruder
Film forming forms；The ratio that polyethylene basis film raw material each component title and each component account for raw material gross mass is：
Polyethylene 70-90.5
Ethylene-acrylic acid copolymer（EAA） 5-15
Polyethylene glycol oxide 3-10
Polyethylene glycol 1-3
Precipitated silica 0.5-2.0.
A kind of above-described preparation method for being exclusively used in the polyethylene basis film compound with polyvinyl alcohol film, the party
Method preparation process is as follows：
1）First polyethylene (PE), ethylene-acrylic acid copolymer（EAA）And polyethylene glycol oxide（PEO）It is added to high-speed stirring
Mix in machine, low speed（100-300 revs/min）Lower mixing 3-5 minutes；
2）Add polyethylene glycol（PEG）, at a high speed（500-800 revs/min）Mixing 3-5 minutes, is eventually adding precipitation
Method white carbon, at a high speed（500-800 revs/min）Lower mixing 5-10 minutes, turns low speed（100 revs/min）Discharging；
3）Mixed material carries out mixing granulator through double screw extruder；
4）Extruded blowing or extrusion curtain coating are made and are exclusively used in and compound poly- of polyvinyl alcohol film again for material after granulation
Ethene basis film.
Further, step 3）The double screw extruder carries out mixing granulator, and extrusion zone temperature is 120/140/
150/160/170/180/180/160 ℃；After granulation through extrusion-blown modling film-forming temperature be 160-180 DEG C.
Further, step 1）The polyethylene is Film grade low density polyethylene（LDPE）, film-grade linear, low density
Polyethylene（LLDPE）Or film level high-density polyethylene (HDPE)；The polyethylene usage amount for raw material gross mass 70-
90.5%, other raw materials are ethylene-acrylic acid copolymer（EAA）, polyethylene glycol oxide, polyethylene glycol and precipitated silica.
Further, the ethylene-acrylic acid copolymer（EAA）For acrylic acid or acrylate AA contents 18-
35% ethylene-acrylic acid copolymer（EAA）；It is mainly used for as polyethylene (PE) and polyethylene glycol oxide（PEO）It is being blended
In compatilizer, make polyethylene glycol oxide（PEO）Can preferably it disperse in polyethylene (PE) and compatible；The ethylene-acrylic acid
（EAA）Copolymer usage amount is the 5-15% of raw material gross mass.
Further, step 2）The polyethylene glycol（PEG）For the polyethylene glycol of molecular weight 200-800（PEG）；It is led
It is to be used for dispersion deposition method white carbon to want purposes；The polyethylene glycol usage amount is the 1-3% of raw material gross mass.
Further, step 1）The polyethylene glycol oxide（PEO）As main modified poly ethylene (PE) surface polarity
Material, and the water soluble polymer that a kind of polarity is extremely strong, have certain phase in the presence of moisture with polyvinyl alcohol (PVA)
Capacitive, and polyethylene glycol oxide（PEO）Also have thermoplasticity, in the presence of certain compatilizer, thermoplasticity can be passed through at the same time
Blending processing and polyethylene（PE）Form a film together；Usage amount is the 3-10% of raw material gross mass.
Further, step 2）The precipitated silica is the precipitated silica of 5000-8000 mesh, it is mainly made
With being the opening performance that improves modified polyethylene (PE) film, rather than use general polyethylene film (PE) common opening
Agent（Such as stearic acid, stearate and other aliphatic amide types）；The precipitated silica usage amount is raw material gross mass
0.5 -2.0%。
Compared with prior art, the present invention has the advantage that and technique effect：
1）By adding a kind of material-polyethylene glycol oxide similar to polyvinyl alcohol (PVA) polarity and performance（PEO）Next pair
Polyethylene（PE）It is modified.Polyethylene glycol oxide（PEO）With polyvinyl alcohol（PVA）Equally it is a kind of fabulous high score of water solubility
Son, the aqueous solution of the two have certain compatibility；Polyethylene glycol oxide（PEO）Thermoplasticity is also equipped with the same time, is adapted to thermoplasticity
Processing, can be satisfied with polyethylene（PE）Blending and modifying, so as to effectively improve polyethylene（PE）The surface energy of film, makes its table
Face has the chemical constituent similar to polyvinyl alcohol polarity, so the compound and compound matter with polyvinyl alcohol can be greatly improved
Amount.
2）Select ethylene-acrylic acid copolymer（EAA）As polyethylene（PE）With polyethylene glycol oxide（PEO）What is be blended is compatible
Agent, is because EAA not only has excellent compatibility, and and polyethylene glycol oxide with polyethylene（PEO）Also there is certain phase
Capacitive, while and polyethylene glycol oxide（PEO）Also there is a kind of unique performance, be exactly polyacrylic acid energy and polyethylene glycol oxide
（PEO）Complex compound is formed, can further improve mutual compatible stability.More importantly this complex compound is having moisture to deposit
Or high humidity environment under, water-soluble fabulous polyethylene glycol oxide can be made（PEO）Become fairly insoluble, the mutation energy of this property
Preferably provided for laminated film because moisture or high humility corrode and produces the protection destroyed to composite bed.It is demonstrated experimentally that through this hair
The modified polyethylene of bright technology（PE）Basement membrane and polyvinyl alcohol（PVA）Compound laminated film, in relative humidity RH:90% ring
Handled under border（23℃）48 it is small when after, its peel strength can keep >=2.0N/15min；And use the poly- second for not having modification generally
Alkene (PE) film and the compound film of polyvinyl alcohol film, after being handled under above-mentioned the same terms, laminated film beginning
It is automatically separated and departs from.
Embodiment
Make further specific detailed description, but implementation and the guarantor of the present invention to the present invention with reference to specific embodiment
Protect scope not limited to this.
Embodiment 1
The ratio that each material component title of polyethylene basis film and each component account for raw material gross mass is as follows：
Film level high-density polyethylene（HDPE） 90.5
Ethylene-acrylic acid copolymer（AA contents：18%） 5
Polyethylene glycol oxide（PEO） 3
Polyethylene glycol（PEG-400） 1
Precipitated silica（5000 mesh） 0.5
By the metering of above-mentioned each component first film level high-density polyethylene, ethylene-acrylic acid copolymer（AA contents：18%）
It is added in homogenizer with polyethylene glycol oxide, is mixed 5 minutes under 100 revs/min of low speed；Add polyethylene glycol（PEG-
400）, mixed 5 minutes under 500 revs/min of high speeds, be eventually adding precipitated silica（5000 mesh）, at a high speed（500 revs/min）Under
Mixing 10 minutes, turns low speed（100 revs/min）Discharging；Mixed material carries out mixing granulator through double screw extruder；Extrusion point
Area's temperature is 120/140/150/160/170/180/180/160 DEG C；Material after granulation extruded Blown Film again, subregion temperature
Spend, for 160/165/170/180 DEG C, to be made and be exclusively used in the polyethylene basis film compound with polyvinyl alcohol film.Using this film as
Ranvier's membrane is for composite with polyvinyl alcohol film.Laminated film is in relative humidity RH:Handled under 90% environment（23℃）48 it is small when
Afterwards, its peel strength is 2.5N/15min.
Embodiment 2
The ratio that each material component title of polyethylene basis film and each component account for raw material gross mass is as follows：
Film grade low density polyethylene（LDPE） 78.5
Ethylene-acrylic acid copolymer（AA contents：35%） 10
Polyethylene glycol oxide（PEO） 8
Polyethylene glycol（PEG-800） 2
Precipitated silica（8000 mesh） 1.5
By the metering of above-mentioned each component first Film grade low density polyethylene, ethylene-acrylic acid copolymer（AA contents：35%）
It is added in homogenizer with polyethylene glycol oxide, is mixed 3 minutes under 300 revs/min of low speed；Add polyethylene glycol（PEG-
800）, mixed 5 minutes under 800 revs/min of high speeds, be eventually adding precipitated silica（8000 mesh）, at a high speed（500 revs/min）Under
Mixing 10 minutes, turns low speed（100 revs/min）Discharging；Mixed material carries out mixing granulator through double screw extruder；Extrusion point
Area's temperature is 120/140/150/160/170/180/180/160 DEG C；Material after granulation extruded Blown Film again, subregion temperature
Spend, for 160/165/170/180 DEG C, to be made and be exclusively used in the polyethylene basis film compound with polyvinyl alcohol film.Using this film as
Ranvier's membrane is for composite with polyvinyl alcohol film.Laminated film is in relative humidity RH:Handled under 90% environment（23℃）48 it is small when
Afterwards, its peel strength is 2.3N/15min.
Embodiment 3
The ratio that each material component title of polyethylene basis film and each component account for raw material gross mass is as follows：
Film-grade linear low density polyethylene (LLDPE)（LLDPE） 70
Ethylene-acrylic acid copolymer（AA contents：28%） 15
Polyethylene glycol oxide（PEO） 10
Polyethylene glycol（PEG-600） 3
Precipitated silica（6000 mesh） 2
By the metering of above-mentioned each component first film-grade linear low density polyethylene (LLDPE), ethylene-acrylic acid copolymer（AA contents：
28%）It is added in homogenizer with polyethylene glycol oxide, is mixed 5 minutes under 300 revs/min of low speed；Add polyethylene glycol
（PEG-600）, mixed 5 minutes under 600 revs/min of high speeds, be eventually adding precipitated silica（6000 mesh）, at a high speed（800 turns/
Point）Lower mixing 5 minutes, turns low speed（100 revs/min）Discharging；Mixed material carries out mixing granulator through double screw extruder；Squeeze
Go out zone temperature for 120/140/150/160/170/180/180/160 DEG C；Material after granulation extruded Blown Film again, point
Area's temperature is 160/165/170/180 DEG C, is made and is exclusively used in the polyethylene basis film compound with polyvinyl alcohol film.It is thin with this
Film is that basic film and polyvinyl alcohol film are for composite.Laminated film is in relative humidity RH:Handled under 90% environment（23℃）48 is small
Shi Hou, its peel strength are 3.1N/15min.
Embodiment 4
The ratio that each material component title of polyethylene basis film and each component account for raw material gross mass is as follows：
Film level high-density polyethylene（HDPE） 85
Ethylene-acrylic acid copolymer（AA contents：28%） 8
Polyethylene glycol oxide（PEO） 5
Polyethylene glycol（PEG-200） 1
Precipitated silica（5000 mesh） 1
By the metering of above-mentioned each component first film level high-density polyethylene, ethylene-acrylic acid copolymer（AA contents：28%）
It is added in homogenizer with polyethylene glycol oxide, is mixed 5 minutes under 200 revs/min of low speed；Add polyethylene glycol（PEG-
200）, mixed 4 minutes under 600 revs/min of high speeds, be eventually adding precipitated silica（5000 mesh）, at a high speed（800 revs/min）Under
Mixing 8 minutes, turns low speed（100 revs/min）Discharging；Mixed material carries out mixing granulator through double screw extruder；Extrusion point
Area's temperature is 120/140/150/160/170/180/180/160 DEG C；Material after granulation extruded Blown Film again, subregion temperature
Spend, for 160/165/170/180 DEG C, to be made and be exclusively used in the polyethylene basis film compound with polyvinyl alcohol film.Using this film as
Ranvier's membrane is for composite with polyvinyl alcohol film.Laminated film is in relative humidity RH:Handled under 90% environment（23℃）48 it is small when
Afterwards, its peel strength is 2.8N/15min.
Embodiment 5
The ratio that each material component title of polyethylene basis film and each component account for raw material gross mass is as follows：
Film grade low density polyethylene（LDPE） 75
Ethylene-acrylic acid copolymer（AA contents：18%） 12
Polyethylene glycol oxide（PEO） 8
Polyethylene glycol（PEG-400） 3
Precipitated silica（8000 mesh） 2
By the metering of above-mentioned each component first Film grade low density polyethylene, ethylene-acrylic acid copolymer（AA contents：18%）
It is added in homogenizer with polyethylene glycol oxide, is mixed 5 minutes under 200 revs/min of low speed；Add polyethylene glycol（PEG-
400）, mixed 3 minutes under 800 revs/min of high speeds, be eventually adding precipitated silica（8000 mesh）, at a high speed（500 revs/min）Under
Mixing 10 minutes, turns low speed（100 revs/min）Discharging；Mixed material carries out mixing granulator through double screw extruder；Extrusion point
Area's temperature is 120/140/150/160/170/180/180/160 DEG C；Material after granulation extruded Blown Film again, subregion temperature
Spend, for 160/165/170/180 DEG C, to be made and be exclusively used in the polyethylene basis film compound with polyvinyl alcohol film.Using this film as
Ranvier's membrane is for composite with polyvinyl alcohol film.Laminated film is in relative humidity RH:Handled under 90% environment（23℃）48 it is small when
Afterwards, its peel strength is 2.7N/15min.
Above example is merely to illustrate technical scheme, rather than its limitations.Although with reference to preferred embodiment
The present invention is described in detail, it will be understood by those skilled in the art that still can be to the specific reality of the present invention
The mode of applying modifies or carries out equivalent substitution to some technical characteristics, without departing from the spirit of technical solution of the present invention, its
It should all cover among the technical solution scope that the present invention asks.
Claims (8)
1. a kind of be exclusively used in the polyethylene basis film compound with polyvinyl alcohol film, it is characterised in that the polyethylene basis is thin
Film raw material is made of following material and ratio, is granulated after raw material mixing by double screw extruder, then extruded blowing again
Film forming；The ratio that each material component title of polyethylene basis film and each component account for raw material gross mass is：
Polyethylene 70-90.5
Ethylene-acrylic acid copolymer 5-15
Polyethylene glycol oxide 3-10
Polyethylene glycol 1-3
Precipitated silica 0.5-2.0.
2. a kind of method for being exclusively used in the polyethylene basis film compound with polyvinyl alcohol film described in claim 1 is prepared,
It is characterized in that, preparation process is as follows：
1）Each component metering as described in claim 1, first adds polyethylene, ethylene-acrylic acid copolymer and polyethylene glycol oxide
Enter into homogenizer, mixed 3-5 minutes under 100-300 revs/min of low speed；
2）Polyethylene glycol is added, starts and mixes 3-5 minutes for 500-800 revs/min at a high speed, be eventually adding precipitated silica,
Mixed 5-10 minutes under 500-800 revs/min of high speeds, turn low speed discharging；
3）Mixed material carries out mixing granulator through double screw extruder；
4）Extruded blowing or extrusion curtain coating are made and are exclusively used in the polyethylene compound with polyvinyl alcohol film material after granulation again
Basis film.
A kind of 3. preparation side for being exclusively used in the polyethylene basis film compound with polyvinyl alcohol film according to claim 2
Method, it is characterised in that step 1）The polyethylene is Film grade low density polyethylene, film-grade linear low density polyethylene (LLDPE) or thin
Film level high-density polyethylene；The polyethylene usage amount is the 70-90.5% of raw material gross mass；Other material components for ethene-
Acrylic copolymer, polyethylene glycol oxide, polyethylene glycol and precipitated silica.
A kind of 4. preparation side for being exclusively used in the polyethylene basis film compound with polyvinyl alcohol film according to claim 2
Method, it is characterised in that step 1）The polyethylene glycol oxide usage amount is the 3-10% of raw material gross mass.
A kind of 5. preparation side for being exclusively used in the polyethylene basis film compound with polyvinyl alcohol film according to claim 2
Method, it is characterised in that step 1）The ethylene-acrylic acid copolymer is ethene-the third of the acrylic acid AA contents 18-35%
Olefin(e) acid copolymer；The ethylene-acrylic acid copolymer usage amount is the 5-15% of raw material gross mass.
A kind of 6. preparation side for being exclusively used in the polyethylene basis film compound with polyvinyl alcohol film according to claim 2
Method, it is characterised in that step 2）The polyethylene glycol is the polyethylene glycol of molecular weight 200-800；The polyethylene glycol uses
Measure as the 1-3% of raw material gross mass.
A kind of 7. preparation side for being exclusively used in the polyethylene basis film compound with polyvinyl alcohol film according to claim 2
Method, it is characterised in that step 2）The precipitated silica is the precipitated silica of 5000-8000 mesh；The precipitation method
White carbon usage amount is the 0.5-2.0% of raw material gross mass.
A kind of 8. preparation side for being exclusively used in the polyethylene basis film compound with polyvinyl alcohol film according to claim 2
Method, it is characterised in that step 3）The double screw extruder carries out mixing granulator, and extrusion zone temperature is 120/140/150/
160/170/180/180/160 ℃；After granulation through extrusion-blown modling film-forming temperature be 160-180 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954388.3A CN105542272B (en) | 2015-12-20 | 2015-12-20 | It is a kind of to be exclusively used in polyethylene basis film compound with polyvinyl alcohol film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954388.3A CN105542272B (en) | 2015-12-20 | 2015-12-20 | It is a kind of to be exclusively used in polyethylene basis film compound with polyvinyl alcohol film and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105542272A CN105542272A (en) | 2016-05-04 |
| CN105542272B true CN105542272B (en) | 2018-05-15 |
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| CN201510954388.3A Expired - Fee Related CN105542272B (en) | 2015-12-20 | 2015-12-20 | It is a kind of to be exclusively used in polyethylene basis film compound with polyvinyl alcohol film and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113845766A (en) * | 2018-09-19 | 2021-12-28 | 上海化工研究院有限公司 | Preparation method of polyoxyethylene water-soluble film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1214713A (en) * | 1996-12-10 | 1999-04-21 | 埃勒夫阿托化学有限公司 | Thermoplastic resin composition and moulded articles |
| CN1966361A (en) * | 2005-11-17 | 2007-05-23 | 张晓明 | Polyvinyl alcohol seven-layer coextruded plastic composite packing film and its method |
| NZ540318A (en) * | 2002-10-31 | 2007-09-28 | Umd Inc | Therapeutic compositions for drug delivery to and through covering epithelia |
-
2015
- 2015-12-20 CN CN201510954388.3A patent/CN105542272B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1214713A (en) * | 1996-12-10 | 1999-04-21 | 埃勒夫阿托化学有限公司 | Thermoplastic resin composition and moulded articles |
| NZ540318A (en) * | 2002-10-31 | 2007-09-28 | Umd Inc | Therapeutic compositions for drug delivery to and through covering epithelia |
| CN1966361A (en) * | 2005-11-17 | 2007-05-23 | 张晓明 | Polyvinyl alcohol seven-layer coextruded plastic composite packing film and its method |
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| Publication number | Publication date |
|---|---|
| CN105542272A (en) | 2016-05-04 |
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