CN104139586A - PET protective film being of bilayer structure - Google Patents
PET protective film being of bilayer structure Download PDFInfo
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- CN104139586A CN104139586A CN201410333084.0A CN201410333084A CN104139586A CN 104139586 A CN104139586 A CN 104139586A CN 201410333084 A CN201410333084 A CN 201410333084A CN 104139586 A CN104139586 A CN 104139586A
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- Prior art keywords
- pet
- bopet
- glue
- adhesive force
- film
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Abstract
The invention belongs to the technical field of packaging materials and in particular relates to a PET protective film. The PET protective film being of a bilayer structure is characterized in that the PET protective film comprises a PET high transparent film and a PET release film; the PET high transparent film and the PET release film are bonded into a whole; the PET high transparent film comprises a first BOPET high transparent film, an adhesive force accelerating layer and an adhesive layer; the adhesive force accelerating layer is coated to the lower surface of the first BOPET high transparent film; the adhesive layer is coated to the lower surface of the adhesive force accelerating layer; the PET release film comprises a silicone oil layer and a second BOPET high transparent film; the silicone oil layer is coated on the second BOPET high transparent film and is bonded with the adhesive layer of the PET high transparent film. The PET protective film adopts a bilayer structure (two layers of BOPET high transparent films), thus having good protective effects.
Description
Technical field
The invention belongs to field of packaging material, be specifically related to a kind of PET diaphragm.
Background technology
Existing PET diaphragm is mainly used in the protection of mobile phone, electronic product screen, and PET diaphragm only has the high hyaline membrane of one deck BOPET (BOPET polyester film, transparent).
Summary of the invention
The object of the present invention is to provide a kind of double-decker PET diaphragm, this PET diaphragm has double-decker (two layers of high hyaline membrane of BOPET), protects effective.
To achieve these goals, the technical solution used in the present invention is: double-decker PET diaphragm, is characterized in that: it is made up of PET high transmittance film and PET mould release membrance, and PET high transmittance film sticks into one mutually with PET mould release membrance;
Described PET high transmittance film is made up of the high hyaline membrane of a BOPET, adhesive force promoting layer, glue-line, scribbles adhesive force promoting layer below the high hyaline membrane of a BOPET, scribbles glue-line below adhesive force promoting layer;
Described PET mould release membrance is made up of silicon layer and the high hyaline membrane of the 2nd BOPET, above the high hyaline membrane of the 2nd BOPET, scribbles silicon layer (material of silicon layer is silicone oil), and silicon layer is mutually bonding with the glue-line of PET high transmittance film.
The material of described adhesive force promoting layer is PET adhesion promoter.
The material of described glue-line is acrylic compounds glue, PU glue or silica gel.
The thickness of described PET high transmittance film is 50 μ m.
The thickness of described PET mould release membrance is 50 μ m.
The invention has the beneficial effects as follows: adopt double-decker (two layers of high hyaline membrane of BOPET), protect effective.
Brief description of the drawings
Fig. 1 is the structural representation of double-decker PET diaphragm of the present invention.
Fig. 2 is the structural representation of PET high transmittance film of the present invention.
Fig. 3 is the structural representation of PET mould release membrance of the present invention.
In figure: 1-PET high transmittance film, 2-PET mould release membrance, the high hyaline membrane of 3-the one BOPET, 4-adhesive force promoting layer, 5-glue-line, 6-silicon layer, the high hyaline membrane of 7-the 2nd BOPET.
Detailed description of the invention
Embodiment 1:
As shown in Figure 1, Figure 2, Figure 3 shows, double-decker PET diaphragm, it is made up of PET high transmittance film 1 and PET mould release membrance 2, and PET high transmittance film 1 sticks into one mutually with PET mould release membrance 2;
Described PET high transmittance film 1 is made up of the high hyaline membrane 3 of a BOPET, adhesive force promoting layer 4, glue-line 5, below the high hyaline membrane of the one BOPET, scribble adhesive force promoting layer (thickness be 1-5 μ m), scribble below adhesive force promoting layer glue-line (thickness be 1-5 μ m);
Described PET mould release membrance 2 is made up of silicon layer 6 and the high hyaline membrane 7 of the 2nd BOPET, above the high hyaline membrane 7 of the 2nd BOPET, scribble silicon layer (material of silicon layer is silicone oil), (thickness is that 1-5 μ is m) mutually bonding with the glue-line of PET high transmittance film to silicon layer.
The material of described adhesive force promoting layer is PET adhesion promoter (for existing product).
The material of described glue-line is acrylic compounds glue, PU glue or silica gel.
The thickness of described PET high transmittance film is 50 μ m.
The thickness of described PET mould release membrance is 50 μ m.
Claims (5)
1. double-decker PET diaphragm, is characterized in that: it is made up of PET high transmittance film and PET mould release membrance, and PET high transmittance film sticks into one mutually with PET mould release membrance;
Described PET high transmittance film is made up of the high hyaline membrane of a BOPET, adhesive force promoting layer, glue-line, scribbles adhesive force promoting layer below the high hyaline membrane of a BOPET, scribbles glue-line below adhesive force promoting layer;
Described PET mould release membrance is made up of silicon layer and the high hyaline membrane of the 2nd BOPET, scribbles silicon layer (material of silicon layer is silicone oil) above the high hyaline membrane of the 2nd BOPET, and silicon layer is sticky mutually with the glue-line of PET high transmittance film.
2. double-decker PET diaphragm according to claim 1, is characterized in that: the material of described adhesive force promoting layer is PET adhesion promoter.
3. double-decker PET diaphragm according to claim 1, is characterized in that: the material of described glue-line is acrylic compounds glue, PU glue or silica gel.
4. double-decker PET diaphragm according to claim 1, is characterized in that: the thickness of described PET high transmittance film is 50 μ m.
5. double-decker PET diaphragm according to claim 1, is characterized in that: the thickness of described PET mould release membrance is 50 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333084.0A CN104139586A (en) | 2014-07-14 | 2014-07-14 | PET protective film being of bilayer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333084.0A CN104139586A (en) | 2014-07-14 | 2014-07-14 | PET protective film being of bilayer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104139586A true CN104139586A (en) | 2014-11-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410333084.0A Pending CN104139586A (en) | 2014-07-14 | 2014-07-14 | PET protective film being of bilayer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104139586A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0266809A (en) * | 1988-08-31 | 1990-03-06 | Nitto Denko Corp | Transparent conductive lamination body |
| CN1076665C (en) * | 1995-03-08 | 2001-12-26 | 东丽株式会社 | Film having good adhesive property and process for producing the same |
| CN202293541U (en) * | 2011-11-08 | 2012-07-04 | 广东达美新材料有限公司 | High-temperature resistant polyethylene terephthalate (PET) protective film |
| CN202826624U (en) * | 2012-08-27 | 2013-03-27 | 安徽格林开思茂光电科技股份有限公司 | High temperature resistant wet-weather-resistance polyethylene terephthalate (PET) film |
-
2014
- 2014-07-14 CN CN201410333084.0A patent/CN104139586A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0266809A (en) * | 1988-08-31 | 1990-03-06 | Nitto Denko Corp | Transparent conductive lamination body |
| CN1076665C (en) * | 1995-03-08 | 2001-12-26 | 东丽株式会社 | Film having good adhesive property and process for producing the same |
| CN202293541U (en) * | 2011-11-08 | 2012-07-04 | 广东达美新材料有限公司 | High-temperature resistant polyethylene terephthalate (PET) protective film |
| CN202826624U (en) * | 2012-08-27 | 2013-03-27 | 安徽格林开思茂光电科技股份有限公司 | High temperature resistant wet-weather-resistance polyethylene terephthalate (PET) film |
Non-Patent Citations (4)
| Title |
|---|
| 中国化工企业管理协会: "《中国石油和化工商务手册》", 31 July 2003, 化学工业出版社 * |
| 徐自芬，郑百哲: "《中国包装工程手册》", 29 February 1996, 北京：机械工业出版社 * |
| 石安富，龚云表: "《工程塑料》", 30 September 1986, 上海科学技术出版社出版 * |
| 许文才: "《包装印刷于印后加工》", 31 March 2006, 北京：中国轻工业出版社 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141112 |