CN110229416A - A kind of high intensity uvioresistant buffering pneumatic cushion polyethylene film and preparation method thereof - Google Patents
A kind of high intensity uvioresistant buffering pneumatic cushion polyethylene film and preparation method thereof Download PDFInfo
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- CN110229416A CN110229416A CN201910541121.XA CN201910541121A CN110229416A CN 110229416 A CN110229416 A CN 110229416A CN 201910541121 A CN201910541121 A CN 201910541121A CN 110229416 A CN110229416 A CN 110229416A
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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
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- 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
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- 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
- 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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- 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
- 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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- 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
- 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
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- 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
- 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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention belongs to stratified material fields.A kind of high intensity uvioresistant buffering pneumatic cushion polyethylene film, is pressed by the outer layer, sandwich layer and internal layer coextruding heat that are cascading；The thickness ratio of the outer layer, the sandwich layer and the internal layer are as follows: 1-3:1-3:1-3, overall thickness are 10-60 μm；The outer layer includes: PP70-80%, polypropylene based elastomer 20-30%；The sandwich layer includes: HDPE70-90%, MLLDPE5-10%, POE5-10%, ultraviolet absorbing agent 5-10%；The internal layer includes: MLLDPE70-80%, POE20-30%；Intensity of the present invention is high, good toughness, has good uvioresistant effect, and gas retaining can be good with load performance.
Description
Technical field
The invention belongs to stratified material fields, and in particular to it is a kind of high intensity uvioresistant buffering pneumatic cushion polyethylene film and its
Preparation method.
Background technique
Buffering pneumatic cushion polyethylene film is used in disposable express transportation packaging product, has at low cost, and gas retaining can be good
Good feature, but existing buffering pneumatic cushion polyethylene film, in buffering course, pressure-bearing is in 60kg hereinafter, holding very much outside exposure chamber
Easy gas leakage, to be not achieved to the protection during Product transport.Intensity is low, and anti-ultraviolet function is poor, is easy in transit broken
It splits, causes damaged products, breakage of thin film applied generates waste, causes environmental pollution, increase transportation cost.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of high-intensitive uvioresistant buffering pneumatic cushion polyethylene films, this is poly-
Vinyl film intensity is high, good toughness, has good uvioresistant effect, and gas retaining can be good with load performance.
Technical scheme is as follows:
A kind of high intensity uvioresistant buffering pneumatic cushion polyethylene film, by the outer layer, sandwich layer and internal layer co-extrusion being cascading
Hot pressing is made；The thickness ratio of the outer layer, the sandwich layer and the internal layer are as follows: 1-3:1-3:1-3, overall thickness are 10-60 μm；
The outer layer includes following components in percentage by weight: PP70-80%, polypropylene based elastomer 20-30%；The sandwich layer
Including following components in percentage by weight: HDPE70-90%, MLLDPE5-10%, POE5-10%, ultraviolet absorbing agent 5-
10%；The internal layer includes following components in percentage by weight: MLLDPE70-80%, POE20-30%.
Further, the PP includes HOPP and COPP.
Further, the mass parts ratio of HOPP and COPP is 4-5:2-3 in the PP.
Further, the MLLDPE density is 0.9-0.94g/cm3。
Further, the POE density is 0.86-0.906g/cm3。
Further, the PP density is 0.9-0.91g/cm3。
A kind of preparation method of high intensity uvioresistant buffering pneumatic cushion polyethylene film, is characterized in that, comprising the following steps:
S1. each component raw material of the outer layer, sandwich layer and internal layer is plasticized co-extrusion, extruder temperature through three screw rods respectively simultaneously
It is 170-200 DEG C；
S2. the trilamellar membrane material after co-extrusion is pressed through die head, die head temperature is 170-185 DEG C, is tentatively cooled to after pressing
100-110℃；
S3. by preliminary membrane material after cooling vertically and horizontally super drawing, longitudinal stretching ratio is 4-6 times, cross directional stretch ratio 4-6
Times, hauling speed 50-100M/min；
S4. by membrane material sizing, winding, the cooling after stretching, high-intensitive uvioresistant buffering pneumatic cushion polyethylene film can be obtained.
The invention has the following beneficial effects:
It is made in outer layer of the invention of PP and polypropylene based elastomer, film strength can be improved, there is good gas retaining energy
And barrier property, can stable bubble, improve film the case where hot knife is adhered in bag making process.Sandwich layer by HDPE, MLLDPE,
POE, ultraviolet absorbing agent are made；POE has good heat-proof aging and anti-ultraviolet property, mechanical property, melt strength
And processing performance, also have good good dispersion, tack and mutual viscosity, equivalent addition impact strength height and forming ability excellent
Feature bonds each film structure under the high temperature and pressure of filming technology；MLLDPE have that intensity is big, heat resistance is good and compared with
High softening temperature and melting temperature can be improved the toughness and intensity of film, stable bubble, while have good uvioresistant
Function.Internal layer is hot sealing layer, is made of MLLDPE, POE, has good tear resistance.
The setting of each film structure of the present invention, while improving thin film strength, tear-proof and anti-uv-ray,
This case that improve film adherency hot knife again, film is made to be more suitable for high speed bag making and high-speed packaging；The suitable film temperature of cooperation
Degree, film speed and transverse and longitudinal draw ratio, further improve thin film strength and toughness；Film strength is high, good toughness,
Anti-ultraviolet property is good, and guarantor's gas effect is good, is not easy gas leakage and breakage outside exposure chamber, can be preferably suitable for transportational process to production
The protection and buffering of product.
Specific embodiment
The present invention will now be described in detail with reference to examples, and the examples are only preferred embodiments of the present invention,
It is not limitation of the invention.
Embodiment 1
A kind of high intensity uvioresistant buffering pneumatic cushion polyethylene film, including the outer layer, sandwich layer and internal layer being cascading；Institute
State the thickness ratio of outer layer, the sandwich layer and the internal layer are as follows: 1:2:3, overall thickness are 30 μm；The outer layer includes below by weight
Measure the component that percentage calculates: HOPP50%, COPP30%, polypropylene based elastomer 20%；The sandwich layer includes following by weight hundred
The component that score calculates: HDPE80%, MLLDPE10%, POE5%, ultraviolet absorbing agent 5%；The internal layer include it is following by weight
The component that percentage calculates: MLLDPE70%, POE30%.
The preparation method of the embodiment of the present invention 1, comprising the following steps:
S1. each component raw material of the outer layer, sandwich layer and internal layer is plasticized co-extrusion, extruder temperature through three screw rods respectively simultaneously
It is 170 DEG C；
S2. the trilamellar membrane material after co-extrusion is pressed through die head, die head temperature is 170 DEG C, and 100 DEG C are tentatively cooled to after pressing；
S3. by preliminary membrane material after cooling vertically and horizontally super drawing, longitudinal stretching ratio is 4 times, and cross directional stretch ratio is 4 times, is led
Drawing speed is 50M/min；
S4. by membrane material sizing, winding, the cooling after stretching, high-intensitive uvioresistant buffering pneumatic cushion polyethylene film can be obtained.
Embodiment 2
A kind of high intensity uvioresistant buffering pneumatic cushion polyethylene film, including the outer layer, sandwich layer and internal layer being cascading；Institute
State the thickness ratio of outer layer, the sandwich layer and the internal layer are as follows: 1:1:3, overall thickness are 30 μm；The outer layer includes below by weight
Measure the component that percentage calculates: HOPP40%, COPP30%, polypropylene based elastomer 30%；The sandwich layer includes following by weight hundred
The component that score calculates: HDPE70%, MLLDPE10%, POE10%, ultraviolet absorbing agent 10%；The internal layer includes below by weight
Measure the component that percentage calculates: MLLDPE80%, POE20%.
The preparation method of high intensity uvioresistant buffering pneumatic cushion polyethylene film embodiment 2 of the invention, comprising the following steps:
S1. each component raw material of the outer layer, sandwich layer and internal layer is plasticized co-extrusion, extruder temperature through three screw rods respectively simultaneously
It is 185 DEG C；
S2. the trilamellar membrane material after co-extrusion is pressed through die head, die head temperature is 175 DEG C, and 105 DEG C are tentatively cooled to after pressing；
S3. by preliminary membrane material after cooling vertically and horizontally super drawing, longitudinal stretching ratio is 5 times, and cross directional stretch ratio is 5 times, is led
Drawing speed is 80M/min；
S4. by membrane material sizing, winding, the cooling after stretching, high-intensitive uvioresistant buffering pneumatic cushion polyethylene film can be obtained.
Embodiment 3
A kind of high intensity uvioresistant buffering pneumatic cushion polyethylene film, including the outer layer, sandwich layer and internal layer being cascading；Institute
State the thickness ratio of outer layer, the sandwich layer and the internal layer are as follows: 1:1:1, overall thickness are 30 μm；The outer layer includes below by weight
Measure the component that percentage calculates: HOPP50%, COPP25%, polypropylene based elastomer 25%；The sandwich layer includes following by weight hundred
The component that score calculates: HDPE75%, MLLDPE5%, POE10%, ultraviolet absorbing agent 10%；The internal layer include it is following by weight
The component that percentage calculates: MLLDPE75%, POE25%.
The preparation method of high intensity uvioresistant buffering pneumatic cushion polyethylene film embodiment 3 of the invention, comprising the following steps:
S1. each component raw material of the outer layer, sandwich layer and internal layer is plasticized co-extrusion, extruder temperature through three screw rods respectively simultaneously
It is 200 DEG C；
S2. the trilamellar membrane material after co-extrusion is pressed through die head, die head temperature is 185 DEG C, and 100 DEG C are tentatively cooled to after pressing；
S3. by preliminary membrane material after cooling vertically and horizontally super drawing, longitudinal stretching ratio is 6 times, and cross directional stretch ratio is 6 times, is led
Drawing speed is 100M/min；
S4. by membrane material sizing, winding, the cooling after stretching, high-intensitive uvioresistant buffering pneumatic cushion polyethylene film can be obtained.
High intensity 3 embodiments of uvioresistant buffering pneumatic cushion polyethylene film of the invention and comparative example (common commercial polyethylene
Film) its performance is tested respectively.OTR oxygen transmission rate is tested according to GB/T 19789, tensile strength is tested according to ASTMD882-02
And elongation, according to GB10006-88 testing friction coefficient.Test result is as follows table.
As it can be seen that present invention toughness with higher and transverse tensile strength, longitudinal tensile strength, pressure-bearing, tear resistance
Energy, gas retaining can be good, and ultraviolet isolating rate is high, there is suitable corona value, have good printing adaptability, are applicable in ink
Range is wide.
High-intensitive uvioresistant buffering pneumatic cushion polyethylene film of the invention, the polyethylene film intensity is high, and good toughness has
Good uvioresistant effect, gas retaining can be good with load performance.It is that a kind of high intensity suitable for protecting product in transit is anti-
Ultraviolet light buffering pneumatic cushion polyethylene film.
Claims (7)
1. a kind of high intensity uvioresistant buffering pneumatic cushion polyethylene film, which is characterized in that by outer layer, the sandwich layer being cascading
And internal layer coextruding heat is pressed into；The thickness ratio of the outer layer, the sandwich layer and the internal layer are as follows: 1-3:1-3:1-3, total thickness
Degree is 10-60 μm；The outer layer includes following components in percentage by weight: PP70-80%, polypropylene based elastomer 20-
30%；The sandwich layer includes following components in percentage by weight: HDPE70-90%, MLLDPE5-10%, POE5-10%, purple
Ultraviolet absorbers 5-10%；The internal layer includes following components in percentage by weight: MLLDPE70-80%, POE20-
30%。
2. high intensity uvioresistant buffering pneumatic cushion polyethylene film according to claim 1, which is characterized in that the PP includes
HOPP and COPP.
3. high intensity uvioresistant buffering pneumatic cushion polyethylene film according to claim 2, which is characterized in that in the PP
The mass parts ratio of HOPP and COPP is 4-5:2-3.
4. high intensity uvioresistant buffering pneumatic cushion polyethylene film according to claim 1, which is characterized in that the MLLDPE
Density is 0.9-0.94g/cm3。
5. high intensity uvioresistant buffering pneumatic cushion polyethylene film according to claim 1, which is characterized in that the POE is close
Degree is 0.86-0.906g/cm3。
6. high intensity uvioresistant buffering pneumatic cushion polyethylene film according to claim 1, which is characterized in that the PP density
For 0.9-0.91g/cm3。
7. a kind of preparation method of any one of claim 1-6 high-intensitive uvioresistant buffering pneumatic cushion polyethylene film, feature
It is, comprising the following steps:
S1. each component raw material of the outer layer, sandwich layer and internal layer is plasticized extrusion, extruder temperature through three screw rods respectively simultaneously
It is 170-200 DEG C；
S2. the trilamellar membrane material after co-extrusion is pressed through die head, die head temperature is 170-185 DEG C, is tentatively cooled to after pressing
100-110℃；
S3. by preliminary membrane material after cooling vertically and horizontally super drawing, longitudinal stretching ratio is 4-6 times, cross directional stretch ratio 4-6
Times, hauling speed 50-100M/min；
S4. by membrane material sizing, winding, the cooling after stretching, high-intensitive uvioresistant buffering pneumatic cushion polyethylene film can be obtained.
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| CN201910541121.XA CN110229416A (en) | 2019-06-21 | 2019-06-21 | A kind of high intensity uvioresistant buffering pneumatic cushion polyethylene film and preparation method thereof |
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| CN201910541121.XA CN110229416A (en) | 2019-06-21 | 2019-06-21 | A kind of high intensity uvioresistant buffering pneumatic cushion polyethylene film and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021111212A1 (en) * | 2019-12-02 | 2021-06-10 | DIEDLOFF, Manley | Recyclable polyethylene based packaging material for use in modified atmospheric packaging for both bags-on-roll and pouch made bags |
| CN113561595A (en) * | 2020-04-29 | 2021-10-29 | 广州市同源塑料制品有限公司 | Anaerobic fermentation composite degradation paper bag and preparation method thereof |
| CN113635636A (en) * | 2021-08-13 | 2021-11-12 | 茂名联塑建材有限公司 | High-performance PE film and preparation method and application thereof |
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2019
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| CN102975446A (en) * | 2012-11-12 | 2013-03-20 | 黄山永新股份有限公司 | Cushion packaging material used in industrial product inflation |
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| CN113561595A (en) * | 2020-04-29 | 2021-10-29 | 广州市同源塑料制品有限公司 | Anaerobic fermentation composite degradation paper bag and preparation method thereof |
| CN113635636A (en) * | 2021-08-13 | 2021-11-12 | 茂名联塑建材有限公司 | High-performance PE film and preparation method and application thereof |
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