CN1635016A - Polyester insulating film - Google Patents
Polyester insulating film Download PDFInfo
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- CN1635016A CN1635016A CN 200410102590 CN200410102590A CN1635016A CN 1635016 A CN1635016 A CN 1635016A CN 200410102590 CN200410102590 CN 200410102590 CN 200410102590 A CN200410102590 A CN 200410102590A CN 1635016 A CN1635016 A CN 1635016A
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- insulating film
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- polyester
- polyester insulating
- film
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Abstract
The invention relates to a polyester isolation film, especially a polyester isolation film with an antistatic property. The polyester isolation film comprises a substrate and an isolation layer, wherein, the coating liquid of the isolation layer is composed of 1.0~8.0 wt.% organosilicon separant, 0.1~1.0 wt.% catalyst, 0.1~2.0 wt.% crosslinking agent, 80~95 wt.% solvent, and 3.0~9.0 wt.% antistatic agent. The polyester isolation film has an antistatic property which can reduce the static produced by stripping to protect the products from adsorbing the dust and impurities in surroundings and ensures the quality of the products. The invention is suitable for the electronic device such as polarizing plate.
Description
Technical field
The present invention relates to a kind of polyester insulating film, particularly a kind of polyester insulating film with antistatic performance.
Background technology
The production of interleaving paper or barrier film has the history of four more than ten years.In recent years, along with increasing substantially of pressure sensitive adhesive goods and self adhesive material consumption, the process industry of interleaving paper or barrier film is greatly developed, and the interleaving paper annual growth of American-European countries is about 5%～8%.Interleaving paper or barrier film were mainly used in the past produces pressure-sensitive adhesive trade mark body paper, double sticky tape, foam tape, various self-adhesion laminated materials etc.Begin to be widely used in the production of some former devices of IT industry such as liquid-crystal display (LCD) along with science and technology development interleaving paper or barrier film (especially barrier film) with Polarizer etc., these used for electronic device barrier films require that higher performance is arranged, as peeling force, remaining adhesion rate etc.At present, the barrier film that is used for Polarizer mainly is the barrier film of PET base material, because fabulous chemical stability and the electrical insulating property of mylar, barrier film in use very easily produces static, makes barrier film adsorb dust.The dust that such barrier film adsorbs when being used for Polarizer will bring the impurity stain to Polarizer; When the Polarizer that has an impurity stain is used for display screen such as LCD, causes and produce permanent stain on the liquid crystal display, influence the appreciation effect of liquid crystal display, cause defect ware.
Along with the development of photovoltaic technology, function, must improve constantly the specification of quality of photovoltaic device (as Polarizer etc.), barrier film also will adapt to the requirement of its derived product to its quality.The barrier film antistatic performance is exactly an aspect that improves the barrier film capability and performance, the PET barrier film that has improved antistatic performance is used for electronic product devices such as Polarizer, in products production assembling (making) process as LCD, reduced static because of process generations such as peeling off, make product be difficult for guaranteeing the quality of product because of the dust impurity in the electrostatic adhesion environment.
Summary of the invention
The purpose of this invention is to provide a kind of polyester insulating film, this barrier film has antistatic performance, is applicable to electronic product devices such as Polarizer.
Technical scheme of the present invention is:
A kind of polyester insulating film comprises base material and sealing coat, it is characterized in that, the composition of wherein said sealing coat coating liquid is (weight percent):
Organosilicon Release Agent 1.0～8.0%
Catalyzer 0.1～1.0%
Linking agent 0.1～2.0%
Solvent 80～95%
Antistatic agent 3.0～9.0%
A kind of preferred version, the composition of wherein said sealing coat coating liquid is:
Organosilicon Release Agent 2.0～6.0%
Catalyzer 0.3～1.0%
Linking agent 0.5～1.0%
Solvent 85～90%
Antistatic agent 5.0～7.0%
A kind of preferred version, wherein said Organosilicon Release Agent are the Organosilicon Release Agent 7362 or 7458 that Dow corning (DOW CORNING) company produces.
A kind of preferred version, wherein said catalyzer are tin catalyst or platinum catalyst, preferred platinum catalysts 4000.
A kind of preferred version, wherein said linking agent are that Dow corning (DOW CORNING) company produces linking agent 7367.
A kind of preferred version, wherein said solvent are toluene or gasoline.
A kind of preferred version, wherein said antistatic agent is a nano-metal-oxide, preferred nano tin dioxide, nano zine oxide or tin-antiomony oxide.
The production method of polyester insulating film mainly is to be coated with Organosilicon Release Agent on polyester base material, and drying obtains the barrier film product and (is also referred to as: release film).The formation of separant generally is made up of silicone resin, linking agent, curing catalyst and organic solvent.U.S. Pat P4,386,135 have introduced structure, preparation method and the performance of Organosilicon Release Agent; France.J M. (RadTech Europe 2001 CorferenceProceedings.381～390), Oestreich S. (RadTech Europe 2001 CorferenceProceedings.3404) etc. publish an article and have reported the Organosilicon Release Agent that is cured with radiation curing technology; adopt radiation curing technology can reduce drying temperature; save the energy, meet requirement on environmental protection.
In the barrier film use, barrier film and the easy static that produces, make barrier film absorption dust, in order to solve the electrostatic phenomenon of barrier film, the invention provides a kind of polyester insulating film of anti-electrostatic, this polyester insulating film comprises base material and sealing coat, and the composition of sealing coat coating liquid wherein is (weight percent):
Organosilicon Release Agent 1.0～8.0%
Catalyzer 0.1～1.0%
Linking agent 0.1～2.0%
Solvent 80～95%
Antistatic agent 3.0～9.0%
The preferred composition of sealing coat coating liquid is:
Organosilicon Release Agent 2.0～6.0%
Catalyzer 0.3～1.0%
Linking agent 0.5～1.0%
Solvent 85～90%
Antistatic agent 5.0～7.0%
Organosilicon Release Agent in barrier film coating liquid is a kind of silicone resin, on molecular structure, contain siloxane bond Si--O skeleton, surface tension is very little, form the very low surface of surface energy after coating base material, make materials such as pressure sensitive adhesive, water not play the good isolation effect in its surface attachment.Being fit to Organosilicon Release Agent of the present invention can be Organosilicon Release Agent 7362,7458,7680-015, the SL160 etc. that Dow corning (DOW CORNING) company produces, preferred 7362 or 7458.
Silicone resin is a kind of linear macromolecule resin, coats behind the substrate surface and can move, and influences anti-adhesion effects.For this reason, separant must carry out during after drying suitable crosslinked in coating, forms certain network structure, and this just needs the use linking agent finish this function.The linking agent that the present invention uses is the linking agent 7368 that Dow corning (DOWCORNING) company produces.
In barrier film coating liquid, the effect of catalyzer is that the speed of response of Organosilicon Release Agent and linking agent is accelerated, and reduces the drying temperature after being coated with, the isolation performance that obtains suiting.The catalyzer that the present invention uses is organosilicon tin catalyst or the platinum catalyst that Dow corning (DOW CORNING) company produces, preferred platinum catalysts 4000.
In order to make barrier film have antistatic performance, it is a gordian technique that antistatic agent in the coating liquid uses, the effect of antistatic agent is the surface resistivity that can reduce coating behind the dry solidification, improve surface conductivity and make material, make material can not cause absorption dust impurity because of static in use because of fricative static conducts easily.The material that is used as antistatic agent is a lot, as: ionogenic surfactant, electroconductive polymer polymkeric substance, metal oxide and nano-metal-oxide etc.The present invention selects for use the nano-metal-oxide class to cook antistatic agent according to release agent coating liquid characteristics, as nano tin dioxide, nano zine oxide, nano oxidized antimony, nano antimony tin oxide etc., and preferred nano tin dioxide, nano zine oxide or tin-antiomony oxide.Solvent is the medium that the release agent coating fluid component is mixed into solution, coating liquid component thorough mixing can be mixed with the concentration of needs simultaneously according to the requirement of coat-thickness.Silicone resin can be easy to be dissolved in organic solvents such as toluene, hexane, gasoline, preferred toluene of the present invention or gasoline.
Polyester insulating film product provided by the invention can be prepared according to following method, at first Organosilicon Release Agent is dissolved in the organic solvents such as toluene or gasoline, add linking agent and catalyst mix and stir, the adding nano tin dioxide fully stirs makes the separant coating fluid; Coating fluid is coated on the polyester film substrate surface, and coating thickness is controlled at 2～5 microns, and 120～130 ℃ of drying temperatures dry 5～10 minutes, obtain having the polyester insulating film of antistatic performance.
Base material used in the present invention can be the polyester film of handling without anti-electrostatic (PET film), also can be the polyester film (PET film) of side anti-electrostatic processing, and the anti-electrostatic treatment process is disclosed in the Chinese patent of application number 01130746.3.
The polyester insulating film that the present invention obtains has antistatic performance, has reduced the static because of process generations such as peeling off, makes product be difficult for guaranteeing the quality of product because of the dust impurity in the electrostatic adhesion environment, is applicable to electronic product devices such as Polarizer.
Embodiment
The present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1
In 6g organosilicon 7362, add 85g toluene, stirred 10 minutes, add 1g linking agent 7367,1g platinum catalyst 4000 then successively, each stirred 6 minutes, added the 7g nano tin dioxide, made the anti-electrostatic separant, it is coated on the PET film (side anti-electrostatic is handled), and build is 2 μ m.Film after the coating in 120 ℃ dry road dry 30 seconds, rolling.Performances such as test anti-electrostatic, peeling force, remaining adhesion rate.
Embodiment 2
In 1g organosilicon 7458, add the 89g industrial naptha, stirred 5 minutes, add .0.1g linking agent 7367,1g platinum catalyst 4000 then successively, each stirred 9 minutes, add the 9g nano tin dioxide, make the anti-electrostatic separant, it is coated on the PET film (side anti-electrostatic is handled), build is 3 μ m.Film after the coating in 125 ℃ dry road dry 5 minutes, rolling.Performances such as test anti-electrostatic, peeling force, remaining adhesion rate.
Embodiment 3
In 8g organosilicon 7680, add the 85g industrial naptha, stirred 5 minutes, add 2g linking agent 7367,0.3g platinum catalyst 4000 then successively, each stirred 5 minutes, add the 5g nano zine oxide, make the anti-electrostatic separant, it is coated on the PET film (side anti-electrostatic is handled), build is 5 μ m.Film after the coating in 115 ℃ dry road dry 10 minutes, rolling.Performances such as test anti-electrostatic, peeling force, remaining adhesion rate.
Embodiment 4
In 2g organosilicon 7362, add the 94g solvent toluene, stirred 8 minutes, add 1g linking agent 7367,0.1g platinum catalyst 4000 then successively, each stirred 10 minutes, add the 3g nano tin dioxide, make the anti-electrostatic separant, it is coated on the PET film (side anti-electrostatic is handled), build is 2 μ m.Film after the coating in 130 ℃ dry road dry 8 minutes, rolling.Performances such as test anti-electrostatic, peeling force, remaining adhesion rate.
Embodiment 5
In 8g organosilicon 7458, add the 80g solvent hexane, stirred 8 minutes, add 2g linking agent 7367,1g platinum catalyst 4000 then successively, each stirred 5 minutes, add the 9g nano antimony tin oxide, make the anti-electrostatic separant, it is coated on the PET film (side anti-electrostatic is handled), build is 4 μ m.Film after the coating in 120 ℃ dry road dry 50 seconds, rolling.Performances such as test anti-electrostatic, peeling force, remaining adhesion rate.
Comparative Examples
Add 86g solvent toluene or gasoline in 6g organosilicon 7362, stirred 5 minutes, add 1g linking agent 7367,1g platinum catalyst 4000 then successively, each stirred 5 minutes, made separant.It is coated on the PET film (side of film anti-electrostatic is handled), and build is 3 μ m.Film after the coating in 120 ℃ dry road dry 30 seconds, rolling.Test anti-electrostatic, peeling force, remaining adhesion rate performance.
| Coating liquid is formed | Surface resistivity Ω | Apparent mass | Isolation performance | |
| Peeling force | Remaining adhesion rate | |||
| Embodiment 1 | ??3.2×10 9 | Clear ﹠ Transparent | 22gf/25mm | ????104％ |
| Embodiment 2 | ??5.7×10 8 | Clear ﹠ Transparent | 25gf/25mm | ????106％ |
| Embodiment 3 | ??4.4×10 9 | Clear ﹠ Transparent | 21gf/25mm | ????103％ |
| Embodiment 4 | ??6.2×10 9 | Clear ﹠ Transparent | 23gf/25mm | ????103％ |
| Embodiment 5 | ??4.7×10 8 | Clear ﹠ Transparent | 24gf/25mm | ????106％ |
| Comparative Examples | ??2.6×10 13 | Clear ﹠ Transparent | 20gf/25mm | ????101％ |
| No coating | ??＞10 15 | Clear ﹠ Transparent | / | ????/ |
Annotate: 1. surface resistivity is measured and is pressed GB6844-86.
2. peeling force is tested by GB2792-81, peels off on puller system with the Tesa adhesive tape, and peeling rate is 300mm/min.
3. remaining adhesive rate is by calculating, adhesive tape under the peeling force ÷ between remaining adhesive rate=new adhesive tape and magnetic card peels off from barrier film and the peeling force between magnetic card.
Claims (7)
1. a polyester insulating film comprises base material and sealing coat, it is characterized in that, the composition of wherein said sealing coat coating liquid is (weight percent):
Organosilicon Release Agent 1.0～8.0%
Catalyzer 0.1～1.0%
Linking agent 0.1～2.0%
Solvent 80～95%
Antistatic agent 3.0～9.0%
2. polyester insulating film according to claim 1 is characterized in that, the composition of wherein said sealing coat coating liquid is (weight percent):
Organosilicon Release Agent 2.0～6.0%
Catalyzer 0.3～1.0%
Linking agent 0.5～1.0%
Solvent 85～90%
Antistatic agent 5.0～7.0%
3. polyester insulating film according to claim 1 and 2 is characterized in that, wherein said Organosilicon Release Agent is Organosilicon Release Agent 7362 or 7458.
4. polyester insulating film according to claim 1 and 2 is characterized in that, wherein said catalyzer is a platinum catalyst 4000.
5. polyester insulating film according to claim 1 and 2 is characterized in that, wherein said linking agent is a linking agent 7367.
6. polyester insulating film according to claim 1 and 2 is characterized in that, wherein said solvent is toluene or gasoline.
7. polyester insulating film according to claim 1 and 2 is characterized in that, wherein said antistatic agent is nano tin dioxide, nano zine oxide or tin-antiomony oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410102590 CN1262578C (en) | 2004-12-28 | 2004-12-28 | Polyester insulating film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410102590 CN1262578C (en) | 2004-12-28 | 2004-12-28 | Polyester insulating film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1635016A true CN1635016A (en) | 2005-07-06 |
| CN1262578C CN1262578C (en) | 2006-07-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410102590 Active CN1262578C (en) | 2004-12-28 | 2004-12-28 | Polyester insulating film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1262578C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264558A (en) * | 2011-07-12 | 2013-08-28 | 苏州斯迪克新材料科技股份有限公司 | Manufacturing method of release film for organic pressure sensitive adhesive |
| CN104354968A (en) * | 2014-09-12 | 2015-02-18 | 宜兴威尼特包装袋有限公司 | Durable antistatic anti-explosion packing bag and preparation method thereof |
| CN105113262A (en) * | 2015-09-18 | 2015-12-02 | 安徽工程大学 | High-temperature resistant isolating membrane and preparation method thereof |
| CN110922622A (en) * | 2019-12-11 | 2020-03-27 | 江阴华美光电科技有限公司 | One-time coated PET (polyethylene terephthalate) antistatic release film and preparation method thereof |
| CN111040217A (en) * | 2019-12-27 | 2020-04-21 | 江苏双冠新材料科技有限公司 | Preparation method of release film applicable to medical product industry |
-
2004
- 2004-12-28 CN CN 200410102590 patent/CN1262578C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264558A (en) * | 2011-07-12 | 2013-08-28 | 苏州斯迪克新材料科技股份有限公司 | Manufacturing method of release film for organic pressure sensitive adhesive |
| CN103264558B (en) * | 2011-07-12 | 2015-06-10 | 苏州斯迪克新材料科技股份有限公司 | Manufacturing method of release film for organic pressure sensitive adhesive |
| CN104354968A (en) * | 2014-09-12 | 2015-02-18 | 宜兴威尼特包装袋有限公司 | Durable antistatic anti-explosion packing bag and preparation method thereof |
| CN105113262A (en) * | 2015-09-18 | 2015-12-02 | 安徽工程大学 | High-temperature resistant isolating membrane and preparation method thereof |
| CN110922622A (en) * | 2019-12-11 | 2020-03-27 | 江阴华美光电科技有限公司 | One-time coated PET (polyethylene terephthalate) antistatic release film and preparation method thereof |
| CN111040217A (en) * | 2019-12-27 | 2020-04-21 | 江苏双冠新材料科技有限公司 | Preparation method of release film applicable to medical product industry |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1262578C (en) | 2006-07-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA LUCKY GROUP CORPORATION Free format text: FORMER NAME: CHINESE LEKAI FILM GROUP CO |
|
| CP03 | Change of name, title or address |
Address after: South Street, new urban lucky 071054 Hebei province Baoding City No. 6 Patentee after: China Lucky Group Corporation Address before: 071054 No. 1 Jianshe South Road, Hebei, Baoding Patentee before: Chinese Lekai Film Group Co |