CN106273955A - Salad dressing packaging composite film and preparation method thereof - Google Patents
Salad dressing packaging composite film and preparation method thereof Download PDFInfo
- Publication number
- CN106273955A CN106273955A CN201510909472.3A CN201510909472A CN106273955A CN 106273955 A CN106273955 A CN 106273955A CN 201510909472 A CN201510909472 A CN 201510909472A CN 106273955 A CN106273955 A CN 106273955A
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- Prior art keywords
- layer
- film
- trade mark
- density polyethylene
- low density
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Classifications
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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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
Landscapes
- Wrappers (AREA)
Abstract
The invention discloses salad dressing packaging composite film and preparation method thereof, belong to field of packaging material；It comprises be sequentially connected 12 μm PET printing film layers, 15～20 μm function film layer, 60～80 μm PE thin layer fit tightly and form；Described function film layer is double-layer coextrusion composite construction, and the function film layer side bonding with PET printing film layer is ethylene acrylic acid co polymer layer；The function film layer side bonding with PE thin layer is Low Density Polyethylene and white master batch blended layer, and the part by weight of Low Density Polyethylene and white master batch is 20～24:3；It has the premium properties such as sealing-strength height, low cost, sealing effect is good, sealing formation degree is good, antifouling property is good, also has a good anti-medium effect, low cost and be difficult to the advantages such as layering.
Description
Technical field
The present invention relates to field of packaging material, be specifically related to salad dressing packaging composite film and preparation method thereof.
Background technology
With the quickening pace of modern life, the composite membrane fractional pack of salad dressing is easy to carry with it, elegant in appearance and uses fast
The plurality of advantages such as victory have obtained the favor of people.Salad dressing has acid, peppery, salty feature, and traditional handicraft intermediate package Acidity of Aikalinity produces
Generally use during product PET/ dry multiple/PE structure, namely PET film and PE thin film glued together by glue layer, this structure
Easily occur that pack content corrodes glue layer, cause glue layer to produce lamination, thus affect packaging and the guarantor of content
The matter phase.
Summary of the invention
For the problems referred to above, the technical problem to be solved in the present invention is to provide possesses good anti-content effect, simultaneously
There is low cost and the salad dressing packaging composite film being difficult to layering and preparation method thereof.
The salad dressing packaging composite film of the present invention, it comprises 12 μm PET printing film layers, 15～20 μm being sequentially connected
Function film layer, 60～80 μm PE thin layer fit tightly and form；Described function film layer is double-deck being total to
Squeezing composite construction, the function film layer side bonding with PET printing film layer is ethylene acrylic acid co polymer layer；Merit
Can the film layer side bonding with PE thin layer be Low Density Polyethylene and white master batch blended layer, and low-density is poly-
Ethylene is 20～24:3 with the part by weight of white master batch；Described ethylene acrylic acid co polymer layer and Low Density Polyethylene and in vain
The thickness proportion of Masterbatch blended layer is 2:3～9:10.
As preferably, the trade mark of the ethylene acrylic acid co polymer in described function film layer is EAA 2002, low
The trade mark of density polyethylene is PE951-000, and the trade mark of white master batch is UF880.
As preferably, described PE thin layer is made up of corona layer, intermediate layer and the hot sealing layer fitted successively, described corona layer
Side fits with function film layer；
As preferably, described corona layer is respectively raised the linear low density polyethylene of son 7042 and 2420-H and is blended by the trade mark, and two
Person's part by weight is 1:1；
As preferably, described intermediate layer is 100AC low density polyethylene by the linear low density polyethylene that the trade mark is 1820, the trade mark
Alkene, the trade mark are that the high density polyethylene (HDPE) of HTA108 is blended, and the part by weight of three is followed successively by 1:1:1～3；
As preferably, described hot sealing layer by the trade mark be 100AC Low Density Polyethylene, the trade mark be that the metallocene linear of 1018FA is low close
Degree polyethylene, the trade mark are that the slipping agent of 10090-K, the trade mark are the opening agent of AB-20LD and the trade mark is the processing of 100991-K
Auxiliary agent is blended, and the part by weight of five is followed successively by 50:25:1.5:1:0.2.
The preparation method of the salad dressing packaging composite film of the present invention, it comprises the steps:
A, printing process: PET thin film is prepared PET printing film according to common process printing；
Blown film operation: the material of corona layer in PE thin layer, the material in intermediate layer, the material of hot sealing layer are separately added into three
In three hoppers of layer coextruded film Blown-film line, carry out blown film and prepare PE thin film；
B, compound working procedure: use dry answering a pager's call, by the printing surface of PET printing film and function film layer and PE thin layer
In corona layer carry out fit operation, formed PET/PE/PE composite construction.
Beneficial effects of the present invention:
Intermediate package composite membrane of the present invention have employed the composite construction of PET/PE/PE, and composite construction is by PET printing film and PE
Thin film, by being combined with each other, has good combined strength bination between PET printing film and the PE thin film after being combined；The present invention
In salad dressing packaging composite film compared with prior art, have that sealing-strength height, low cost, sealing effect be good, sealing formation
The premium properties such as spend, antifouling property is good, also there is good anti-medium effect, low cost and be difficult to the advantages such as layering.This
Function film layer in invention is i.e. squeezed PE layer and is used A, B double-layer coextrusion structure, and formula design is as follows:
The most bonding PET printing film layer (corresponding PET printing film): EAA2002, thickness is 6～9 μm；
The most bonding PE thin layer (corresponding PE thin film): PE951-000 (LDPE)+UF880, PE951-000 and UF880's
Part by weight is 20～24:3, and thickness is 8～11 μm.
Wherein, " EAA 2020 " is the ethylene acrylic acid co polymer (LDPE i.e. Low Density Polyethylene) that Du Pont produces, 6 μm
Thick EAA 2020 is able to ensure that the peel strength between crowded PE and PET printing film；The PE951-that Maoming Petrochemical produces
000 is close with the processing characteristics of Du Pont EAA 2020, it is simple to produces, and (Japanese ink company is raw for PE951-000 and UF880
Produce) part by weight be 100:15, such that it is able to form the technique effect of full version chalk, simultaneously the melt index of UF880 with
PE951-000 is suitable, it is simple to produce.EAA 2020 i.e. ethylene acrylic acid co polymer in PE layer can form hydrogen with PET molecule
The chemical bonds such as key, it is ensured that PE layer and the combined strength bination of PET printing film, thus avoid the use of adhesive, stop
Cause composite membrane to be layered in pack content infiltrates into film, cause the problem that composite membrane peel strength declines.Compound in extrusion
The Shi Caiyong i.e. twin-screw extrusion of double-layer coextrusion extrusion is combined, with that layer of Screw Extrusion ethylene acrylic of PET printing film laminating
Copolymer, with that layer of film adhered for PE Screw Extrusion Low Density Polyethylene and white master batch blend, this twin screw squeezes multiple
Processing characteristics close to common polyethylene, it is possible to make up well ethylene acrylic acid co polymer processing characteristics bad lack
Point.
Accompanying drawing illustrates:
For ease of explanation, the present invention is embodied as and accompanying drawing is described in detail by following.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic diagram of PE thin layer in the present invention；
Detailed description of the invention:
As shown in Figure 1 to Figure 2, this detailed description of the invention is by the following technical solutions: it comprises the 12 μm PET prints being sequentially connected
Brush thin layer 1,15～20 μm function film layer 2,60～80 μm PE thin layer 3 fits tightly and forms；Described merit
Can film layer 2 be double-layer coextrusion composite construction, the side that function film layer 2 is bonding with PET printing film layer 1
For ethylene acrylic acid co polymer layer 21；Function film layer 2 side bonding with PE thin layer 3 is Low Density Polyethylene
With white master batch blended layer 22, and the part by weight of Low Density Polyethylene and white master batch is 20～24:3；Described ethylene propylene
Olefin(e) acid copolymer layer 21 is 2:3～9:10 with the thickness proportion of Low Density Polyethylene and white master batch blended layer 22.
Wherein, the trade mark of the ethylene acrylic acid co polymer in described function film layer 2 is EAA 2002, low-density
The trade mark of polyethylene is PE951-000, and the trade mark of white master batch is UF880.Described PE thin layer 3 is by the electricity fitted successively
Dizzy layer 31, intermediate layer 32 and hot sealing layer 33 are constituted, and described corona layer 31 side fits with function film layer 2；Described
Corona layer 31 is respectively raised the linear low density polyethylene of son 7042 and 2420-H and is blended by the trade mark, and the two part by weight is 1:
1 ；Described intermediate layer 32 is that 100AC Low Density Polyethylene, the trade mark are by the linear low density polyethylene that the trade mark is 1820, the trade mark
The high density polyethylene (HDPE) of HTA108 is blended, and the part by weight of three is followed successively by 1:1:1～3；Described hot sealing layer 33 by the trade mark is
100AC Low Density Polyethylene, the trade mark be the metallocene linear-low density polyethylene of 1018FA, the trade mark be the smooth of 10090-K
Agent, the trade mark are the opening agent of AB-20LD and processing aid that the trade mark is 100991-K is blended, and the part by weight of five is followed successively by
50:25:1.5:1:0.2。
The preparation method of the salad dressing packaging composite film of this detailed description of the invention, it comprises the steps:
A, printing process: PET film is prepared PET printing film according to common process printing；
Blown film operation: the material of corona layer in PE thin layer 3, the material in intermediate layer, the material of hot sealing layer are separately added into three
In three hoppers of layer coextruded film Blown-film line, carry out blown film and prepare PE thin film；
B, compound working procedure: use dry answering a pager's call, by the printing surface of PET printing film and function film layer 2 and PE thin layer
Corona layer in 3 carries out operation of fitting, and forms the composite construction of PET/PE/PE.
The beneficial effect of this detailed description of the invention:
This detailed description of the invention intermediate package composite membrane have employed the composite construction of PET/PE/PE, and PET is printed thin by composite construction
Film and PE thin film, by being combined with each other, have good being combined by force between PET printing film and the PE thin film after being combined
Degree；Salad dressing packaging composite film in this detailed description of the invention compared with prior art, has sealing-strength height, low cost, envelope
The premium properties such as mouthful effective, sealing formation degree is good, antifouling property is good, also has a good anti-medium effect, low cost and
It is difficult to the advantages such as layering.Function film layer in the present invention is i.e. squeezed PE layer and is used A, B double-layer coextrusion structure, and formula sets
Count as follows:
The most bonding PET printing film layer (corresponding PET printing film): EAA2002, thickness is 6～9 μm；
The most bonding PE thin layer (corresponding PE thin film): PE951-000 (LDPE)+UF880, PE951-000 and UF880's
Part by weight is 20～24:3, and thickness is 8～11 μm.
Wherein, " EAA 2020 " is the ethylene acrylic acid co polymer (LDPE i.e. Low Density Polyethylene) that Du Pont produces, 6 μm
Thick EAA 2020 is able to ensure that the peel strength between crowded PE and PET printing film；The PE951-that Maoming Petrochemical produces
000 is close with the processing characteristics of Du Pont EAA 2020, it is simple to produces, and (Japanese ink company is raw for PE951-000 and UF880
Produce) part by weight be 100:15, such that it is able to form the technique effect of full version chalk, simultaneously the melt index of UF880 with
PE951-000 is suitable, it is simple to produce.EAA 2020 i.e. ethylene acrylic acid co polymer in PE layer can form hydrogen with PET molecule
The chemical bonds such as key, it is ensured that PE layer and the combined strength bination of PET printing film, thus avoid the use of adhesive, stop
Cause composite membrane to be layered in pack content infiltrates into film, cause the problem that composite membrane peel strength declines.Compound in extrusion
The Shi Caiyong i.e. twin-screw extrusion of double-layer coextrusion extrusion is combined, with that layer of Screw Extrusion ethylene acrylic of PET printing film laminating
Copolymer, with that layer of film adhered for PE Screw Extrusion Low Density Polyethylene and white master batch blend, this twin screw squeezes multiple
Processing characteristics close to common polyethylene, it is possible to make up well ethylene acrylic acid co polymer processing characteristics bad lack
Point.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The skill of the industry
The art personnel simply explanation it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
The principle of the present invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these
Changes and improvements both fall within scope of the claimed invention.Claimed scope by appending claims and
Its equivalent defines.
Claims (7)
1. salad dressing packaging composite film, it is characterised in that it comprises 12 μm PET printing film layers, 15～20 μm being sequentially connected
Function film layer, 60～80 μm PE thin layer fit tightly and form；Described function film layer is double-deck being total to
Squeezing composite construction, the function film layer side bonding with PET printing film layer is ethylene acrylic acid co polymer layer；Merit
Can the film layer side bonding with PE thin layer be Low Density Polyethylene and white master batch blended layer, and low-density is poly-
Ethylene is 20～24:3 with the part by weight of white master batch；Described ethylene acrylic acid co polymer layer and Low Density Polyethylene and in vain
The thickness proportion of Masterbatch blended layer is 2:3～9:10.
Salad dressing packaging composite film the most according to claim 1, it is characterised in that in described function film layer
The trade mark of ethylene acrylic acid co polymer is EAA 2002, and the trade mark of Low Density Polyethylene is PE951-000, the trade mark of white master batch
For UF880.
Salad dressing packaging composite film the most according to claim 1, it is characterised in that described PE thin layer is by fitting successively
Corona layer, intermediate layer and hot sealing layer constitute, described corona layer side fits with function film layer.
Salad dressing packaging composite film the most according to claim 3, it is characterised in that described corona layer is respectively raised by the trade mark
The linear low density polyethylene of son 7042 and 2420-H is blended, and the two part by weight is 1:1.
Salad dressing packaging composite film the most according to claim 3, it is characterised in that described intermediate layer is 1820 by the trade mark
Linear low density polyethylene, the trade mark be 100AC Low Density Polyethylene, the trade mark be that the high density polyethylene (HDPE) of HTA108 is blended, three
Part by weight be followed successively by 1:1:1～3.
Salad dressing packaging composite film the most according to claim 3, it is characterised in that described hot sealing layer is that 100AC is low by the trade mark
Density polyethylene, the trade mark be the metallocene linear-low density polyethylene of 1018FA, the trade mark be that the slipping agent of 10090-K, the trade mark are
The opening agent of AB-20LD and processing aid that the trade mark is 100991-K are blended, and the part by weight of five is followed successively by 50:25:
1.5:1:0.2。
7. the preparation method of salad dressing packaging composite film, its spy comprises the steps: being
A, printing process: PET thin film is prepared PET printing film according to common process printing；
Blown film operation: the material of corona layer in PE thin layer, the material in intermediate layer, the material of hot sealing layer are separately added into three
In three hoppers of layer coextruded film Blown-film line, carry out blown film and prepare PE thin film；
B, compound working procedure: use dry answering a pager's call, by the printing surface of PET printing film and function film layer and PE thin layer
In corona layer carry out fit operation, formed PET/PE/PE composite construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510909472.3A CN106273955A (en) | 2015-12-10 | 2015-12-10 | Salad dressing packaging composite film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510909472.3A CN106273955A (en) | 2015-12-10 | 2015-12-10 | Salad dressing packaging composite film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106273955A true CN106273955A (en) | 2017-01-04 |
Family
ID=57650496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510909472.3A Pending CN106273955A (en) | 2015-12-10 | 2015-12-10 | Salad dressing packaging composite film and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111409343A (en) * | 2020-03-27 | 2020-07-14 | 上海紫江彩印包装有限公司 | Polyolefin film, full-plastic composite film containing polyolefin film, and preparation method and application of full-plastic composite film |
| CN112442223A (en) * | 2019-09-04 | 2021-03-05 | 中国石油化工股份有限公司 | Polyethylene composition and polyethylene film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624112A (en) * | 2009-08-14 | 2010-01-13 | 黄山永新股份有限公司 | Composite membrane for sauce and preparation method thereof |
| CN104228255A (en) * | 2014-09-11 | 2014-12-24 | 黄山永新股份有限公司 | Low-weightlessness liquid-washing small-package roll film and preparation method thereof |
| CN104260520A (en) * | 2014-09-11 | 2015-01-07 | 黄山永新股份有限公司 | Chilli sauce packaging composite film and preparation method thereof |
-
2015
- 2015-12-10 CN CN201510909472.3A patent/CN106273955A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624112A (en) * | 2009-08-14 | 2010-01-13 | 黄山永新股份有限公司 | Composite membrane for sauce and preparation method thereof |
| CN104228255A (en) * | 2014-09-11 | 2014-12-24 | 黄山永新股份有限公司 | Low-weightlessness liquid-washing small-package roll film and preparation method thereof |
| CN104260520A (en) * | 2014-09-11 | 2015-01-07 | 黄山永新股份有限公司 | Chilli sauce packaging composite film and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112442223A (en) * | 2019-09-04 | 2021-03-05 | 中国石油化工股份有限公司 | Polyethylene composition and polyethylene film |
| CN111409343A (en) * | 2020-03-27 | 2020-07-14 | 上海紫江彩印包装有限公司 | Polyolefin film, full-plastic composite film containing polyolefin film, and preparation method and application of full-plastic composite film |
| CN111409343B (en) * | 2020-03-27 | 2022-02-22 | 上海紫江彩印包装有限公司 | Polyolefin film, full-plastic composite film containing polyolefin film, and preparation method and application of full-plastic composite film |
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Application publication date: 20170104 |
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