CN108569012A - A kind of easily heat-sealing of mill mist type can in print PE films and preparation method - Google Patents
A kind of easily heat-sealing of mill mist type can in print PE films and preparation method Download PDFInfo
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- CN108569012A CN108569012A CN201810227687.0A CN201810227687A CN108569012A CN 108569012 A CN108569012 A CN 108569012A CN 201810227687 A CN201810227687 A CN 201810227687A CN 108569012 A CN108569012 A CN 108569012A
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- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 239000003595 mist Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000004698 Polyethylene Substances 0.000 claims abstract description 36
- 230000002902 bimodal effect Effects 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 238000005461 lubrication Methods 0.000 claims abstract description 14
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000003851 corona treatment Methods 0.000 claims abstract description 7
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 7
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 7
- 229920000092 linear low density polyethylene Polymers 0.000 claims abstract description 7
- 239000004707 linear low-density polyethylene Substances 0.000 claims abstract description 7
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 7
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 238000009966 trimming Methods 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 239000005022 packaging material Substances 0.000 abstract description 2
- -1 polyethylene Polymers 0.000 abstract description 2
- 229920000573 polyethylene Polymers 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 18
- 238000005516 engineering process Methods 0.000 description 6
- 239000004594 Masterbatch (MB) Substances 0.000 description 4
- 239000012785 packaging film Substances 0.000 description 3
- 229920006280 packaging film Polymers 0.000 description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000010409 thin film Substances 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B27/06—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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- 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
- C08L23/06—Polyethene
-
- 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
-
- 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
- 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
-
- 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Wrappers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention belongs to field of packaging material,Disclose a kind of easily heat-sealing of mill mist type can in print PE films and preparation method,Grind the easily heat-sealing of mist type can in print PE films by corona layer,Sandwich layer and hot sealing layer are constituted,Corona layer is based on mass fraction by 85 95 parts of bimodal PE,5 15 parts of EVA,0 1.5 parts of compositions of 0 1.5 parts of lubrication prescription and opening agent,Sandwich layer is based on mass fraction by 10 30 parts of LLDPE,0 10 parts of HDPE,10 30 parts of LDPE and 30 80 parts of bimodal PE,Hot sealing layer is based on mass fraction by 100 parts of bimodal PE,0 1.5 parts of compositions of 0 1.5 parts of lubrication prescription and opening agent,Each layer formula mixture is set to be plasticized using three-layer co-extruded extruder,It is blow molded into bubble,24~28 DEG C of air-cooling mouldings,Traction,Sided corona treatment,Trimming,Winding film forming.The present invention uses the polyethylene with two peak structure for raw material, has mill fog effect well, heat sealability is good, can be used for high-speed packaging.
Description
Technical field
The invention belongs to the easily heat-sealing of field of packaging material more particularly to a kind of mill mist type can in print PE films and preparation
Method.
Background technology
Currently, the prior art commonly used in the trade is such：Plastic printing packaging film is because of transparent, glossiness is good, product
Have the characteristics that bright, bright-coloured, to substitute sheet package, but there is glass frosted finish effect, the packaged configuration of " mist " shape is presented
Cause the esthetic sentiment that people are new, so the packaging film of exploitation mill mist type, appearance is seemed like ground glass, and sensitive paper packet
Dress, will not be reflective.The existing packaging membrane technology for making mill mist type generally uses the mode of addition masterbatch, but causes after being added following new
The problem of：1, masterbatch component is the CaCO of different-grain diameter3, talcum powder etc., processing fluidity is deteriorated；2, film heat sealability is deteriorated；
3, film material mechanical performance can decline.
In conclusion problem of the existing technology is：
(1) existing mill mist type packaging film processing fluidity is poor；
(2) film heat sealability is poor；
(3) film material mechanical performance declines.
Solve the difficulty and meaning of above-mentioned technical problem：
Difficulty is the prior art generally with the mode of addition masterbatch, and masterbatch component is the CaCO of different-grain diameter3, talcum powder
Deng, to develop again it is a kind of there is the formula of mill mist optical effect, while to keep or improve heat sealability, can in the performances such as to print special
Point；Meaning is that film quality can be improved, increases mechanical performance, improve the speed of heat sealed package.
Invention content
In view of the problems of the existing technology, the present invention provides a kind of easily heat-sealing of mill mist type can in print PE films and preparation
Method.
The invention is realized in this way a kind of mill mist type easily heat-sealing can in print PE films by corona layer, sandwich layer and hot sealing layer
It constitutes；
Corona layer is based on mass fraction by bimodal PE 85-95 parts, 5-15 parts of EVA, 0-1.5 parts of lubrication prescription and opening agent 0-
1.5 parts of compositions；
Sandwich layer is based on mass fraction by 10-30 parts of LLDPE, 10-30 parts of 0-10 parts of HDPE, LDPE and bimodal PE 30-
80 parts；
Hot sealing layer is based on mass fraction by 100 parts of bimodal PE, 0-1.5 parts of compositions of 0-1.5 parts of lubrication prescription and opening agent.
Another object of the present invention is to provide a kind of easily heat-sealing of mill mist type can in print the preparation methods of PE films, including with
Lower step：
1, each layer formula mixture is made to be plasticized using three-layer co-extruded extruder；
2, bubble, 24~28 DEG C of air-cooling mouldings are blow molded into；
3, it draws, sided corona treatment；Plastic film produces general technology；
4, trimming, winding film forming.
Further, 180~210 DEG C of corona layer and hot sealing layer plasticization temperature, 180~220 DEG C of sandwich layer plasticization temperature.
In conclusion advantages of the present invention and good effect are：
The present invention uses the polyethylene with two peak structure for raw material, has mill fog effect well, heat sealability is good, can
For high-speed packaging.Compared with prior art, identical 50 microns of film, there is following obvious advantage and effect：
Description of the drawings
Fig. 1 be mill mist type provided in an embodiment of the present invention easily heat-sealing can in print PE method for manufacturing thin film flow charts.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
As shown in Figure 1, in view of the problems of the existing technology, mill mist type provided in an embodiment of the present invention easily heat-sealing can in print
The preparation method of PE films includes：
S101, each layer formula mixture is made to be plasticized using three-layer co-extruded extruder；
S102, bubble, 24~28 DEG C of air-cooling mouldings are blow molded into；
S103, traction, sided corona treatment；
S104, trimming, winding film forming.
The easily heat-sealing of mill mist type can in print PE films be made of corona layer, sandwich layer and hot sealing layer；
Corona layer is based on mass fraction by bimodal PE 85-95 parts, 5-15 parts of EVA, 0-1.5 parts of lubrication prescription and opening agent 0-
1.5 parts of compositions；
Sandwich layer is based on mass fraction by 10-30 parts of LLDPE, 10-30 parts of 0-10 parts of HDPE, LDPE and bimodal PE 30-
80 parts；
Hot sealing layer is based on mass fraction by 100 parts of bimodal PE, 0-1.5 parts of compositions of 0-1.5 parts of lubrication prescription and opening agent.
Embodiment 1：
Corona layer is based on mass fraction by 85 parts of bimodal PE, and EVA15 parts, 1.2 parts of 1.5 parts of lubrication prescription and opening agent are constituted；
Sandwich layer is based on mass fraction by 20 parts of LLDPE, 20 parts of 10 parts of HDPE, LDPE and 50 parts of bimodal PE；
Hot sealing layer is based on mass fraction by 100 parts of bimodal PE, 0.5 part of composition of 1.5 parts of lubrication prescription and opening agent；
Each layer formula mixture is set to be plasticized using three-layer co-extruded extruder, 195 DEG C of corona layer and hot sealing layer plasticization temperature, core
215 DEG C of plasticization temperature of layer is blow molded into bubble, 24 DEG C of air-cooling mouldings, traction, sided corona treatment, trimming, winding film forming.
Embodiment 2：
Corona layer is based on mass fraction by 90 parts of bimodal PE, 10 parts of EVA, 1.0 parts of compositions of 1.2 parts of lubrication prescription and opening agent；
Sandwich layer is based on mass fraction by 24 parts of LLDPE, 20 parts of 6 parts of HDPE, LDPE and PE50 parts bimodal.
Hot sealing layer is based on mass fraction by 100 parts of bimodal PE, 1.2 parts of compositions of 0.8 part of lubrication prescription and opening agent；
Each layer formula mixture is set to be plasticized using three-layer co-extruded extruder, 200 DEG C of corona layer and hot sealing layer plasticization temperature, core
210 DEG C of plasticization temperature of layer is blow molded into bubble, 26 DEG C of air-cooling mouldings, traction, sided corona treatment, trimming, winding film forming.
Embodiment 3：
Corona layer is based on mass fraction by 95 parts of bimodal PE, 5 parts of EVA, 1.0 parts of compositions of 1.0 parts of lubrication prescription and opening agent；
Sandwich layer is based on mass fraction by 20 parts of LLDPE, 17 parts of 3 parts of HDPE, LDPE and 60 parts of bimodal PE.
Hot sealing layer is based on mass fraction by 100 parts of bimodal PE, 0.8 part of composition of 1.2 parts of lubrication prescription and opening agent；
Each layer formula mixture is set to be plasticized using three-layer co-extruded extruder, 200 DEG C of corona layer and hot sealing layer plasticization temperature, core
205 DEG C of plasticization temperature of layer is blow molded into bubble, 28 DEG C of air-cooling mouldings, traction, sided corona treatment, trimming, winding film forming.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (3)
1. a kind of easily heat-sealing of mill mist type can in print PE films, which is characterized in that the easily heat-sealing of mill mist type can in print PE films by corona
Layer, sandwich layer and hot sealing layer are through forming together with three extruder coextrusion coatings；
Corona layer is based on mass fraction by bimodal PE 85-95 parts, 5-15 parts of EVA, 0-1.5 parts of 0-1.5 parts of lubrication prescription and opening agent
It constitutes；
Sandwich layer is based on mass fraction by 10-30 parts of LLDPE, 10-30 parts of 0-10 parts of HDPE, LDPE and PE 30-80 parts bimodal；
Hot sealing layer is based on mass fraction by 100 parts of bimodal PE, 0-1.5 parts of compositions of 0-1.5 parts of lubrication prescription and opening agent.
2. a kind of easily heat-sealing of mill mist type as described in claim 1 can in print the preparation methods of PE films, which is characterized in that including with
Lower step：
(1) each layer formula mixture is made to be plasticized using three-layer co-extruded extruder, through co-extrusion die head so that three layered materials are stacked together；
(2) bubble, 24~28 DEG C of air-cooling mouldings are blow molded into；
(3) it draws, sided corona treatment；
(4) trimming, winding film forming.
3. as claimed in claim 2 the easily heat-sealing of mill mist type can in print the preparation methods of PE films, which is characterized in that corona layer with
180~210 DEG C of hot sealing layer plasticization temperature, 180~220 DEG C of sandwich layer plasticization temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810227687.0A CN108569012A (en) | 2018-03-20 | 2018-03-20 | A kind of easily heat-sealing of mill mist type can in print PE films and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810227687.0A CN108569012A (en) | 2018-03-20 | 2018-03-20 | A kind of easily heat-sealing of mill mist type can in print PE films and preparation method |
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| Publication Number | Publication Date |
|---|---|
| CN108569012A true CN108569012A (en) | 2018-09-25 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810227687.0A Pending CN108569012A (en) | 2018-03-20 | 2018-03-20 | A kind of easily heat-sealing of mill mist type can in print PE films and preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111923537A (en) * | 2020-10-14 | 2020-11-13 | 佛山新长盛塑料薄膜有限公司 | Matte forming film, preparation method thereof and matte packaging material |
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|---|---|---|---|---|
| CN102139552A (en) * | 2010-01-29 | 2011-08-03 | 何凌 | Polypropylene double-way stretched film and preparation method thereof |
| CN102216350A (en) * | 2008-09-25 | 2011-10-12 | 巴塞尔聚烯烃股份有限公司 | Impact resistant LLDPE composition and films made thereof |
| CN104684989A (en) * | 2011-12-29 | 2015-06-03 | 英力士美国有限责任公司烯烴和聚合物分公司 | Biomodal high-density polyethylene resins and compositions with improved properties and methods of making and using the same |
| CN107351474A (en) * | 2017-07-05 | 2017-11-17 | 永新股份（黄山）包装有限公司 | A kind of simple tension can high speed printing delustring PE films and its production technology |
-
2018
- 2018-03-20 CN CN201810227687.0A patent/CN108569012A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102216350A (en) * | 2008-09-25 | 2011-10-12 | 巴塞尔聚烯烃股份有限公司 | Impact resistant LLDPE composition and films made thereof |
| CN102139552A (en) * | 2010-01-29 | 2011-08-03 | 何凌 | Polypropylene double-way stretched film and preparation method thereof |
| CN104684989A (en) * | 2011-12-29 | 2015-06-03 | 英力士美国有限责任公司烯烴和聚合物分公司 | Biomodal high-density polyethylene resins and compositions with improved properties and methods of making and using the same |
| CN107351474A (en) * | 2017-07-05 | 2017-11-17 | 永新股份（黄山）包装有限公司 | A kind of simple tension can high speed printing delustring PE films and its production technology |
Non-Patent Citations (1)
| Title |
|---|
| 罗河胜: "《塑料材料手册》", 31 March 2010, 广东科技出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111923537A (en) * | 2020-10-14 | 2020-11-13 | 佛山新长盛塑料薄膜有限公司 | Matte forming film, preparation method thereof and matte packaging material |
| CN111923537B (en) * | 2020-10-14 | 2021-02-26 | 佛山新长盛塑料薄膜有限公司 | Matte forming film, preparation method thereof and matte packaging material |
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Application publication date: 20180925 |
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