CN112250897A - BOPP or BOPET base film that acts as go-between - Google Patents
BOPP or BOPET base film that acts as go-between Download PDFInfo
- Publication number
- CN112250897A CN112250897A CN201910595186.2A CN201910595186A CN112250897A CN 112250897 A CN112250897 A CN 112250897A CN 201910595186 A CN201910595186 A CN 201910595186A CN 112250897 A CN112250897 A CN 112250897A
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- Prior art keywords
- layer
- base film
- film
- bopp
- base
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Classifications
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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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
-
- 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
-
- 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
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2333/12—Homopolymers or copolymers of methyl methacrylate
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
Abstract
The invention relates to the technical field of stay wire base films and discloses a BOPP (biaxially-oriented polypropylene) or BOPET (biaxially-oriented polyethylene terephthalate) stay wire base film. The base film of the guy wire is manufactured by adopting a biaxial stretching process and an ABC three-layer die head structure, and comprises a base film layer, a coating layer, an information layer, an upper glue layer, a dielectric layer and a grating layer, wherein the base film layer is a BOPP film or a BOPET film, the thickness of the base film layer is 12-35 mu m, the dielectric layer is a PET or PP glue coating layer, and the total thickness of the dielectric layer is 30-40 mu m. The base film of the pull string is used in combination with cigarette film products, has consistent thermal shrinkage rate, and is used for unsealing pull strings of cigarettes, tea leaves, medicines, foods and the like.
Description
Technical Field
The invention relates to the technical field of stay wire base films, in particular to a BOPP or BOPET stay wire base film.
Background
In order to ensure that cigarettes, tea and express boxes are smoothly packaged, a small thread end is protruded, and the package at the thread end is easy to unseal, the invention develops a BOPP or BOPET stay wire, which belongs to an unsealing stay wire and mainly improves the characteristics that a film and the stay wire are uniformly contracted, and the packaging film is flat and has no wrinkles.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a BOPP or BOPET guyed basement membrane.
In order to achieve the purpose, the invention provides a BOPP or BOPET stay wire base film which is manufactured by adopting a biaxial stretching process and an ABC three-layer die head structure and comprises a base film layer, a coating layer, an information layer, an upper glue layer, a dielectric layer and a grating layer, wherein the base film layer is a BOPP film or a BOPET film, the thickness of the BOPP film or the BOPET film is 12-35 mu m, the dielectric layer is a PET or PP glue coating layer, and the total thickness of the BOPP or the BOPET glue coating layer is 30-40 mu m.
Preferably, the information layer is an information layer of embossed BOPP, having a thickness of 1-5 μm.
Preferably, the tear-off line is used for cigarettes, tea leaves, medicines and foods.
Preferably, both sides of the base film of the pulling wire are corona treated.
Preferably, the laser anti-counterfeiting packaging material is used for laser anti-counterfeiting packaging.
The technical scheme of the invention has the following advantages:
(1) the stay wire base film and the cigarette film products shrink synchronously, and the effect of flatness and wrinkle-free of the skin of the shrink package is effectively ensured.
(2) The special polyolefin material is adopted as the surface layer, and the product is provided with anti-counterfeiting and excellent gluing functions by being molded and aluminized.
(3) High-magnification stretching orientation is carried out, so that the silicone oil has good mechanical properties and surface activity, and the silicone oil is ensured to be uniformly coated.
(4) The excellent process control level ensures a shrinkage level of 5-8% in the longitudinal direction and 0-2% in the transverse direction.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
The BOPP or BOPET guyed base film is manufactured by adopting a biaxial stretching process and an ABC three-layer die head structure, and comprises a base film layer, a coating layer, an information layer, an upper glue layer, a medium layer and a grating layer, wherein the base film layer is a BOPP film or a BOPET film, the thickness of the base film layer is 12-35 mu m, the medium layer is a PET or PP glue coating layer, and the total thickness of the medium layer is 30-40 mu m.
Preferably, the information layer is an information layer of embossed BOPP, having a thickness of 1-5 μm.
Preferably, the base film of the pull string is used for the unsealing pull string of cigarettes, tea leaves, medicines and foods.
Preferably, both sides of the base string film are corona treated.
Preferably, the base film of the pull wire is used for laser anti-counterfeiting packaging.
The base film of the stay wire is manufactured by adopting a biaxial stretching process and an ABC three-layer die head structure, the product is matched with cigarette film products, has consistent thermal shrinkage rate, and is used for unsealing the stay wire of cigarettes, tea leaves, medicines, foods and the like.
The base film of the guy wire can be used for laser anti-counterfeiting packaging and structurally comprises a base film layer, a coating layer, an information layer, an upper glue layer, a dielectric layer and a grating layer, wherein the base film layer is a BOPP/PET film, the thickness of the base film layer is 12-35 mu m, the dielectric layer is a PET or PP gluing layer, and the total thickness of the dielectric layer is 30-40 mu m; wherein the functional layer can be embossed with the information layer of the BOPP, which layer is typically 1-5 um.
The invention discloses a guy wire base film double-sided corona treatment and differentiated corona strength control, which effectively prevents film adhesion and ensures the thickness and uniformity of silicone oil.
The present invention will be described in detail below by way of examples, but the scope of the present invention is not limited thereto.
Example 1
The BOPP film is adopted as a base film, and then a coating layer, an information layer, an upper glue layer, a medium layer and a grating layer are sequentially formed on the base film, wherein the thickness of the base film is 25um, the medium layer is a PET (polyethylene terephthalate) glue coating layer, the total thickness is 35um, the functional layer can be used for molding the information layer of the BOPP, and the thickness of the layer is 3um, so that the stay wire base film is prepared.
The base film of the stay wire has the following advantages:
(1) the stay wire base film and the cigarette film products shrink synchronously, and the effect of flatness and wrinkle-free of the skin of the shrink package is effectively ensured.
(2) The special polyolefin material is adopted as the surface layer, and the product is provided with anti-counterfeiting and excellent gluing functions by being molded and aluminized.
(3) High-magnification stretching orientation is carried out, so that the silicone oil has good mechanical properties and surface activity, and the silicone oil is ensured to be uniformly coated.
(4) The excellent process control level ensures a shrinkage level of 5-8% in the longitudinal direction and 0-2% in the transverse direction.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (5)
1. The BOPP or BOPET guy wire base film is characterized by being manufactured by a biaxial stretching process and an ABC three-layer die head structure, and the guy wire base film comprises a base film layer, a coating layer, an information layer, an upper glue layer, a medium layer and a grating layer, wherein the base film layer is a BOPP film or a BOPET film, the thickness of the base film layer is 12-35 mu m, the medium layer is a PET or PP glue coating layer, and the total thickness of the medium layer is 30-40 mu m.
2. The base string membrane according to claim 1, wherein the information layer is an information layer of embossed BOPP with a thickness of 1-5 μm.
3. The base string membrane according to claim 1 or 2, which is used for a tamper string for cigarettes, tea, medicines, and foods.
4. The base string film of claim 1 or 2, wherein both sides of the base string film are corona treated.
5. The base film of claim 1 or 2, for use in laser anti-counterfeiting packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595186.2A CN112250897A (en) | 2019-07-03 | 2019-07-03 | BOPP or BOPET base film that acts as go-between |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595186.2A CN112250897A (en) | 2019-07-03 | 2019-07-03 | BOPP or BOPET base film that acts as go-between |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112250897A true CN112250897A (en) | 2021-01-22 |
Family
ID=74224142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910595186.2A Pending CN112250897A (en) | 2019-07-03 | 2019-07-03 | BOPP or BOPET base film that acts as go-between |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112250897A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113233009A (en) * | 2020-11-26 | 2021-08-10 | 北京智恒达物联科技有限公司 | Clamping device for cigarette stack packaging machine, control method and cigarette stack packaging machine |
-
2019
- 2019-07-03 CN CN201910595186.2A patent/CN112250897A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113233009A (en) * | 2020-11-26 | 2021-08-10 | 北京智恒达物联科技有限公司 | Clamping device for cigarette stack packaging machine, control method and cigarette stack packaging machine |
| CN113233009B (en) * | 2020-11-26 | 2022-09-30 | 北京智恒达物联科技有限公司 | Clamping device for cigarette stack packaging machine, control method and cigarette stack packaging machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210122 |
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| WD01 | Invention patent application deemed withdrawn after publication |