CN205685907U - A kind of BOPP film - Google Patents
A kind of BOPP film Download PDFInfo
- Publication number
- CN205685907U CN205685907U CN201620619195.2U CN201620619195U CN205685907U CN 205685907 U CN205685907 U CN 205685907U CN 201620619195 U CN201620619195 U CN 201620619195U CN 205685907 U CN205685907 U CN 205685907U
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- Prior art keywords
- layer
- film
- extinction
- bopp film
- upper epidermis
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- Extrusion Moulding Of Plastics Or The Like (AREA)
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Abstract
The utility model discloses a kind of BOPP film, include upper epidermis, sandwich layer and layer, it is characterized in that the surface of described layer is covered with an extinction layer, and this extinction layer thickness is uniform, described upper epidermis, sandwich layer, layer and four layers of co-extrusion of extinction layer are one-body molded.This utility model original three-layer co-extruded on the basis of increase by one layer of extinction layer, it is achieved four layers of co-extrusion, and the thickness of the extinction layer increased is uniform, i.e. the edge of extinction layer and the thickness at middle part is impartial, so ensures that the edge of film, middle part all can reach delustring standard.
Description
Technical field
The utility model relates to a kind of thin film, particularly to be a kind of BOPP film.
Background technology
BOPP film is mainly used in printing, bag and makees adhesive tape, and existing BOPP film has all used three-layer co-extruded, i.e. goes up table
Layer (1`), sandwich layer (2`) and layer (3`) are by integral through biaxial tension after die head coextrusion, in order to improve the gloss of film
Degree, the layer of BOPP film adds delustering agent, but because of the processing request of film, it is two that die head extrusion is the thin thick middle in two ends
End arc upwards, the film that therefore die head is extruded also is the thin thick middle of edge, with reference to Fig. 1, and upper epidermis and the thickness of layer
Degree is only 1 micron, and this thickness is the interior thickness of film, and therefore the edge of film is less than 1 micron, and the edge of film is crossed and thin will be made
Becoming edge delustring the most up to standard, the most existing BOPP film middle part reaches delustring standard and edge extinction effect is not reach mostly
Target.
Utility model content
The technical problem existed in view of background technology, the technical problems to be solved in the utility model is to provide a kind of guarantee film
Entirety all reach the BOPP film of delustring standard.
In order to solve above-mentioned technical problem, this utility model adopts the following technical scheme that and realizes: this kind of BOPP film,
Include upper epidermis, sandwich layer and layer, it is characterised in that the surface of described layer is covered with an extinction layer, and this delustring thickness
Uniformly, described upper epidermis, sandwich layer, layer and four layers of co-extrusion of extinction layer are one-body molded for degree.
Described upper epidermis is the anti copolymer layer preventing thin film inter-adhesive.
Described sandwich layer is layer of homopolymer.
Described sandwich layer is added with and makes the slipping agent that thin film is more smooth, reduce frictional force.
Described sandwich layer is added with antistatic agent.
Described layer is delustring copolymer layer.
This utility model original three-layer co-extruded on the basis of increase by one layer of extinction layer, it is achieved four layers of co-extrusion, and increasing
The thickness of extinction layer uniform, i.e. the edge of extinction layer and the thickness at middle part is impartial, so ensures that the edge of film, middle part all can reach
To delustring standard.Upper epidermis of the present utility model is anti copolymer layer, and this upper epidermis has anti function, it is to avoid film with
The surfaces stick of film；Described sandwich layer then layer of homopolymer, and with the addition of slipping agent and antistatic agent so that thin film is more smooth, and
And there is effect of antistatic.
Accompanying drawing explanation
Fig. 1 is the structural representation of background technology.
Fig. 2 is structural representation of the present utility model.
Detailed description of the invention
Referring to the drawings, this kind of BOPP film, include upper epidermis 1, sandwich layer 2 and layer 3, described upper epidermis 1, sandwich layer 2 and
The thickness of layer 3 arranges and is that edge is thin, middle part is thick, and the surface of described layer 3 is covered with an extinction layer 4, and this extinction layer 4
Thickness is uniform, and described upper epidermis 1, sandwich layer 2, layer 3 and 4 four layers of co-extrusion of extinction layer are one-body molded, BOPP of the present utility model
Film not only has two-layer matt film, and additional extinction layer thickness is uniform, solves the edge delustring of film in prior art not
Problem up to standard, upper epidermis, sandwich layer and layer the most still use the structure that middle part is thick, edge is thin, the therefore BOPP after molding
Film still retains the characteristic that edge is thin, middle part is thick.
Described upper epidermis 1 is the anti copolymer layer preventing thin film inter-adhesive；Described sandwich layer 2 is layer of homopolymer, institute
State sandwich layer 2 to be added with and make that thin film is more smooth, reduce the slipping agent of frictional force and antistatic agent；Described layer 3 is delustring copolymerization
Nitride layer.Described copolymer includes polypropylene and polyethylene composition, and described homopolymer is then polypropylene, and described antistatic agent is second
Epoxide amine and the combination of tristerin, described slipping agent is erucyl amide.Introduce the dispensing of each layer in detail below: institute
The dispensing stating upper epidermis includes polypropylene 87-93%, polyethylene 3-7%, silicon dioxide 4-6%, and the interpolation of described silicon dioxide makes
Obtain upper epidermis and possess tissue adhesion effect, adhesion between film and film can be prevented；The dispensing of described sandwich layer includes polypropylene 97.2-
98.5%, erucyl amide 0.5%-0.8%, amine ethoxylate 0.3-0.6% and tristerin 0.7-1.4%, described erucyl amide makes
The surface obtaining shaping membrane is more smooth, and described amine ethoxylate and tristerin make shaping membrane possess anti-static function；Institute
Stating layer 3 is delustring copolymer layer, and described extinction layer 4 is also copolymer layer, and the dispensing of described layer and extinction layer is all wrapped
Having included polypropylene 87-93%, polyethylene 3-7%, poly-MU resin 4-6%, described poly-MU resin makes the light of film surface
Pool degree is more preferable.
The procedure of processing of this utility model BOPP film is: four layers of difference dispensing, filtering screening, enters extruder, through die head
Four layers of co-extrusion become sheet, through vertical drawing, cooling down, the more horizontal thin film that pulls into of high temperature, rolling after cooling, enter Ageing Treatment, make sandwich layer have
Some antistatic effects and smooth effect are dominant out, so that form film surface is with regard to the smooth effect of antistatic additive.
Claims (6)
1. a BOPP film, includes upper epidermis (1), sandwich layer (2) and layer (3), it is characterised in that described layer (3)
Surface is covered with an extinction layer (4), and this extinction layer (4) thickness is uniform, described upper epidermis (1), sandwich layer (2), layer (3) and disappear
(4) four layers of co-extrusion of photosphere are one-body molded.
BOPP film the most according to claim 1, it is characterised in that described upper epidermis (1) is for preventing inter-adhesive the preventing of thin film
Adhesion copolymer layer.
BOPP film the most according to claim 1, it is characterised in that described sandwich layer (2) is layer of homopolymer.
BOPP film the most according to claim 3, it is characterised in that described sandwich layer (2) be added with make thin film more smooth, reduce
The slipping agent of frictional force.
BOPP film the most according to claim 3, it is characterised in that described sandwich layer (2) is added with antistatic agent.
BOPP film the most according to claim 1, it is characterised in that described layer (3) is delustring copolymer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620619195.2U CN205685907U (en) | 2016-06-22 | 2016-06-22 | A kind of BOPP film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620619195.2U CN205685907U (en) | 2016-06-22 | 2016-06-22 | A kind of BOPP film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205685907U true CN205685907U (en) | 2016-11-16 |
Family
ID=57415740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620619195.2U Active CN205685907U (en) | 2016-06-22 | 2016-06-22 | A kind of BOPP film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205685907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922698A (en) * | 2016-06-22 | 2016-09-07 | 启明新材料股份有限公司 | BOPP membrane |
-
2016
- 2016-06-22 CN CN201620619195.2U patent/CN205685907U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922698A (en) * | 2016-06-22 | 2016-09-07 | 启明新材料股份有限公司 | BOPP membrane |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |