CN201712232U - PET coating film - Google Patents
PET coating film Download PDFInfo
- Publication number
- CN201712232U CN201712232U CN2010202253327U CN201020225332U CN201712232U CN 201712232 U CN201712232 U CN 201712232U CN 2010202253327 U CN2010202253327 U CN 2010202253327U CN 201020225332 U CN201020225332 U CN 201020225332U CN 201712232 U CN201712232 U CN 201712232U
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- Prior art keywords
- pet
- coat
- layer
- film
- coating layer
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Abstract
The utility model relates to a PET coating film which comprises a PET surface layer (1), a PET middle layer (2) and a PET bottom layer (3) sequentially arranged, and is characterized in that the PET bottom layer (3) is provided with a coating layer (4); and the coating layer (4) is a copolyester coating layer or an acrylate coating layer or a polyurethane coating layer. The PET coating film increases the surface tension through the arrangement of the coating layer, improves the bond stretch with a printing layer, and has strong adaptability.
Description
(1) technical field
The utility model relates to a kind of PET coat film.
(2) background technology
The PET film is that a kind of performance is than more comprehensive packing film.Its transparency is good, and is glossy; Have good air-tightness and fragrance protectiveness; Moisture resistance is medium, and rate of perviousness descends at low temperatures.The mechanical performance of PET film is good, and its obdurability is best in all thermoplastics, and tensile strength and impact strength are more much higher than general film; And deflection is good, and dimensionally stable is suitable for secondary operations such as printing, paper bag.The PET film also has good heat-resisting, cold resistance and good chemical proofing and oil resistivity.But the surface tension of PET film is not too desirable under situation about not handling, in order to improve the surface adhesion performance of PET film, with the adhesive force that improves printing and the adhesion of vacuum aluminium coated layer, adopt the method for sided corona treatment to improve the surface tension of film usually.But there are problems such as ageing in corona method, and particularly in the environment of high temperature, high humidity, the membrane tension after the sided corona treatment is decayed easily; If improve corona intensity, the electric spark of generation punctures film easily, causes on fire when serious; Breakage of thin film applied can bring loss to the later process printing.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides that a kind of surface tension is big, adhesive fastness is high, adaptability is strong, ageing strong PET coat film.
The purpose of this utility model is achieved in that a kind of PET coat film, and it comprises PET surface layer, PET intermediate layer and the PET bottom that sets gradually, and it is characterized in that: described PET bottom is provided with coat.
Described coat is copolyesters class coat or esters of acrylic acid coat or polyurethanes coat.
The beneficial effect of the utility model PET coat film is:
The utility model PET coat film has increased surface tension by the setting of coat, has improved the adhesive fastness with printed layers, and adaptability is strong.
(4) description of drawings
Fig. 1 is the section structure schematic diagram of the utility model PET coat film.
Among the figure:
(5) specific embodiment
Referring to Fig. 1-Fig. 2, a kind of PET coat film that the utility model relates to, it comprises PET surface layer 1, PET intermediate layer 2, PET bottom 3 and the coat 4 that sets gradually;
Described PET surface layer 1, PET intermediate layer 2 and the PET bottom 3 three-layer co-extruded films of making;
For saving cost, can add the PET feed back in the PET intermediate layer 2.
The PET bottom 3 of the film that makes is provided with coat 4.
Described coat 4 is copolyesters class coat or esters of acrylic acid coat or polyurethanes coat.
Adopt the coating of copolyesters class water-soluble polymer, can improve the surface tension of PET film;
The employing acrylic emulsion is coated with, and can improve the adaptability (can use water-based ink) of printing;
The coating of employing aqueous polyurethane can be strengthened the adhesion of aluminium coated and PET basement membrane, and can increase aluminum layer thickness.
During use, directly printing get final product on coat 4, the convenience that saves time, and with printed layers combine the fastness height.
Claims (2)
1. PET coat film, it comprises PET surface layer (1), PET intermediate layer (2) and the PET bottom (3) that sets gradually, it is characterized in that: described PET bottom (3) is provided with coat (4).
2. a kind of PET coat film according to claim 1 is characterized in that: described coat (4) is copolyesters class coat or esters of acrylic acid coat or polyurethanes coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202253327U CN201712232U (en) | 2010-06-07 | 2010-06-07 | PET coating film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202253327U CN201712232U (en) | 2010-06-07 | 2010-06-07 | PET coating film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201712232U true CN201712232U (en) | 2011-01-19 |
Family
ID=43458231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202253327U Expired - Fee Related CN201712232U (en) | 2010-06-07 | 2010-06-07 | PET coating film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201712232U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768374A (en) * | 2012-07-28 | 2012-11-07 | 江阴金中达新材料有限公司 | Optical-grade coating PET (Polyethylene terephthalate) film and preparation method thereof |
| CN103057210A (en) * | 2013-01-27 | 2013-04-24 | 海宁长宇镀铝材料有限公司 | PET (Poly Ethylene Terephthalate) aluminum laminated film with high adhesive force |
-
2010
- 2010-06-07 CN CN2010202253327U patent/CN201712232U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768374A (en) * | 2012-07-28 | 2012-11-07 | 江阴金中达新材料有限公司 | Optical-grade coating PET (Polyethylene terephthalate) film and preparation method thereof |
| CN102768374B (en) * | 2012-07-28 | 2014-12-03 | 常州钟恒新材料有限公司 | Optical-grade coating PET (Polyethylene terephthalate) film and preparation method thereof |
| CN103057210A (en) * | 2013-01-27 | 2013-04-24 | 海宁长宇镀铝材料有限公司 | PET (Poly Ethylene Terephthalate) aluminum laminated film with high adhesive force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHANGZHOU ZHONGHENG NEW MATERIAL CO., LTD. Free format text: FORMER OWNER: JINGYIN JINZHONGDA NEW MATERIAL CO., LTD. Effective date: 20140519 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 214443 WUXI, JIANGSU PROVINCE TO: 213000 CHANGZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140519 Address after: 213000 Changzhou Jiangsu bell tower Economic Development Zone Patentee after: Changzhou Zhongheng New Material Co., Ltd. Address before: Shen Zhen Jiangsu city of Jiangyin province Binjiang 214443 West Road No. 589 Patentee before: Jiangyin Jinzhongda New Material Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20150607 |
|
| EXPY | Termination of patent right or utility model |