CN104961870A - PET composite release film - Google Patents
PET composite release film Download PDFInfo
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- CN104961870A CN104961870A CN201510283085.3A CN201510283085A CN104961870A CN 104961870 A CN104961870 A CN 104961870A CN 201510283085 A CN201510283085 A CN 201510283085A CN 104961870 A CN104961870 A CN 104961870A
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Abstract
The present invention provides a PET composite release film, which comprises a thin film layer, wherein the thin film layer comprises, by weight, 100 parts of PET, 40-50 parts of PTFE powder, 5-10 parts of nanometer silica, 3-5 parts of 3-aminopropyltriethoxysilane, 10-16 parts of butyl acrylate, 15-20 parts of methyl methacrylate, 1-2 parts of octadecyl methylacrylate, 10-20 parts of polyethylene glycol, 10-20 parts of ethanol, 20-30 parts of deionized water, 5-10 parts of natural latex, 0.3-0.5 part of a defoamer, and 0.3-0.5 part of a thickener. According to the release film of the present invention, the thin film layer adopts PET and PTFE as the compounding components and the nanometer silica is added, such that the prepared release film has characteristics of excellent adhesion, excellent water resistance and excellent mechanical property, and provides wide application range compared with the conventional release film.
Description
Technical field
The present invention relates to a kind of release film, especially a kind of PET compound release film.
Background technology
Release film, also known as stripping film, barrier film, separatory membrane, adhesive block film, fractal film, film, plastics film, covers pore membrane, silicon oil membrane, silicone oil paper, antiadhesion barrier, skidding film, that paper of sky, separate-type paper, silliconfilm, release film, release.Under normal circumstances in order to increase the off-type force of plastics film, plastics film can be done plasma treatment, or be coated with fluorine process, or be coated with silicon (silicone) parting agent on the top layer of film material, as PET, PE, OPP, etc.; Allow it can show extremely light and stable off-type force for various different organic pressure sensitive adhesive (pressure sensitive adhesive as hot melt adhesive, acrylic glue and rubber series).
Because release film has isolation, fills, protects, is easy to the advantages such as stripping, be therefore widely used in the fields such as various electronics, communication, machinery.
PET compound release film is also PET silicon oil membrane, is exactly to be coated with last layer silicone oil on the surface of PET film, to reduce the sticking power on PET film surface, reaches release effect.PET compound release film has good adsorptivity and stickiness, extensively should be packed, be printed, silk-screen, bat printing, inscription plate, thin film switch, flexible circuitry, insulated product, wiring board, laser anti-counterfeit, laminating, electronics, sealing material use film, light reflecting material, water-proof material, medicine (plaster paper using), sanitary paper, adhesive article, the industry field such as cross cutting stamp processing.
Along with the progress of Development of Human Civilization and science and technology, the application of release film is more and more extensive, to the performance requriements also increasingly stringent of release film, and such as water-repellancy, mechanical property etc.
Therefore, in order to expanding economy, be necessary to develop a kind of PET compound release film with good water-repellancy and mechanical property.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, provides a kind of PET compound release film.
Technical scheme: in order to realize above object, a kind of PET compound release film of the present invention, comprise thin film layer, described thin film layer comprises following component by weight ratio:
PET 100 parts;
PTFE powder 40-50 part;
Nano silicon 5-10 part;
3-aminopropyl triethoxysilane 3-5 part;
Butyl acrylate 10-16 part;
Methyl methacrylate 15-20 part;
Methacrylic acid octadecyl 1-2 part; Mixed with butyl acrylate, methyl methacrylate, can prepare sol material, this material has certain binding property, thus can improve the binding property of PET film, and its stripping strength is strengthened;
Polyoxyethylene glycol 10-20 part;
Ethanol 10-20 part;
Deionized water 20-30 part;
Natural emulsion 5-10 part;
Defoamer 0.3-0.5 part;
Thickening material 0.3-0.5 part.
The particle diameter of described PET to be molecular weight be 20000-30000 is 100-120 object PET particle, and the particle diameter of described PTFE powder is 1-2 μm.Under the state that particle is less, when carrying out the preparation of film, the dispersing and mixing of its each component is more even.
Described polyoxyethylene glycol to be molecular weight be 4000 polyoxyethylene glycol.Described polyoxyethylene glycol to be molecular weight be 4000 polyoxyethylene glycol.The polyoxyethylene glycol added can carry out modification to nano silicon, makes it be more prone in the base be uniformly dispersed.
Described defoamer is defoamer S12.Suppress, eliminate the generation of bubble, strengthen the over-all properties of product.
Described thickening material is methyl hydroxyethylcellulose.
The preparation method of described film layer material is specific as follows: take desired raw material according to weight proportion, then under nitrogen protection, by the 3-aminopropyl triethoxysilane taken, butyl acrylate, methyl methacrylate, methacrylic acid octadecyl, polyoxyethylene glycol, ethanol, deionized water stirs, and then add nano silicon, stirring at room temperature 60-80min, then PET and PTFE powder is added, then 60-80 DEG C is heated to, stir 2-4h, then temperature reduces 40-50 DEG C, add natural emulsion, defoamer and thickening material, continue to stir 40-60min, finally be cooled to room temperature and can obtain required film layer material.
Beneficial effect: PET compound release film provided by the invention compared with prior art, has the following advantages:
1, release film of the present invention, its film layer material adopts PET as composite film body composition, take full advantage of the bond properties of PET, also add PTFE powder simultaneously, due to the performance of PTFE itself, after adding, not only can improve the solvent resistance of product, resistance to elevated temperatures, especially the water-repellancy of product can also be improved, also add nano silicon simultaneously, the mechanical property of product can be improved, its tensile strength is made to improve about 150%, like this, the product prepared, it is a kind of release film with water-repellancy and mechanical property well, range of application expands further,
2, release film of the present invention, in order to impel, PTFE powder and nano silicon are uniformly dispersed in PET, add 3-aminopropyl triethoxysilane coupling agent, make the film performance prepared superior;
3, release film of the present invention, the material of its thin film layer, have employed butyl acrylate, methyl methacrylate, the sticking materials of tool such as methacrylic acid octadecyl prepare gelatinoid, and add silane coupling agent wherein, coupling agent mixes in gel, also next step PET is convenient to and mineral filler is uniformly dispersed, each component materials mixes, the thin-film material prepared is balanced, and add natural emulsion, viscosity and snappiness can be strengthened, finally add some auxiliary addition agents again as defoamer, thickening material, what make to prepare broadcasts mill material, performance is more balanced, superior,
4, release film of the present invention, its film layer material component environment-protecting asepsis used, simple, the easy operation of its preparation method, mild condition, be more suitable for suitability for industrialized production.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; but illustrate that protection scope of the present invention is not limited to the concrete scope of the present embodiment simultaneously; based on the embodiment in the present invention; those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
embodiment 1
A kind of PET compound release film, comprise thin film layer, described thin film layer comprises following component by weight ratio:
PET 100 parts;
PTFE powder 40 parts;
Nano silicon 5 parts;
3-aminopropyl triethoxysilane 3 parts;
Butyl acrylate 10 parts;
Methyl methacrylate 15 parts;
Methacrylic acid octadecyl 1 part;
Macrogol 4000 10 parts;
Ethanol 10 parts;
Deionized water 20 parts;
Natural emulsion 5 parts;
Defoamer S12 0.3 part;
Thickening material methyl hydroxyethylcellulose 0.3 part.
The particle diameter of described PET to be molecular weight be 20000-is 100 object PET particles, and the particle diameter of described PTFE powder is 1 μm.
The preparation method of described film layer material is specific as follows: take desired raw material according to weight proportion, then under nitrogen protection, by the 3-aminopropyl triethoxysilane taken, butyl acrylate, methyl methacrylate, methacrylic acid octadecyl, polyoxyethylene glycol, ethanol, deionized water stirs, and then add nano silicon, stirring at room temperature 60min, then PET and PTFE powder is added, then 60 DEG C are heated to, stir 2h, then temperature reduces by 40 DEG C, add natural emulsion, defoamer and thickening material, continue to stir 40min, finally be cooled to room temperature and can obtain required film layer material.
embodiment 2
A kind of PET compound release film, comprise thin film layer, described thin film layer comprises following component by weight ratio:
PET 100 parts;
PTFE powder 45 parts;
Nano silicon 8 parts;
3-aminopropyl triethoxysilane 4 parts;
Butyl acrylate 13 parts;
Methyl methacrylate 18 parts;
Methacrylic acid octadecyl 1.5 parts;
Macrogol 4000 15 parts;
Ethanol 15 parts;
Deionized water 25 parts;
Natural emulsion 8 parts;
Defoamer S12 0.4 part;
Thickening material methyl hydroxyethylcellulose 0.4 part.
Described PET to be molecular weight be 25000 particle diameter be 110 object PET particles, the particle diameter of described PTFE powder is 1.4 μm.
The preparation method of described film layer material is specific as follows: take desired raw material according to weight proportion, then under nitrogen protection, by the 3-aminopropyl triethoxysilane taken, butyl acrylate, methyl methacrylate, methacrylic acid octadecyl, polyoxyethylene glycol, ethanol, deionized water stirs, and then add nano silicon, stirring at room temperature 70min, then PET and PTFE powder is added, then 70 DEG C are heated to, stir 3h, then temperature reduces by 45 DEG C, add natural emulsion, defoamer and thickening material, continue to stir 50min, finally be cooled to room temperature and can obtain required film layer material.
embodiment 3
A kind of PET compound release film, comprise thin film layer, described thin film layer comprises following component by weight ratio:
PET 100 parts;
PTFE powder 50 parts;
Nano silicon 10 parts;
3-aminopropyl triethoxysilane 5 parts;
Butyl acrylate 16 parts;
Methyl methacrylate 20 parts;
Methacrylic acid octadecyl 2 parts;
Macrogol 4000 20 parts;
Ethanol 20 parts;
Deionized water 30 parts;
Natural emulsion 10 parts;
Defoamer S12 0.5 part;
Thickening material methyl hydroxyethylcellulose 0.5 part.
Described PET to be molecular weight be 30000 particle diameter be 120 object PET particles, the particle diameter of described PTFE powder is 2 μm.
The preparation method of described film layer material is specific as follows: take desired raw material according to weight proportion, then under nitrogen protection, by the 3-aminopropyl triethoxysilane taken, butyl acrylate, methyl methacrylate, methacrylic acid octadecyl, polyoxyethylene glycol, ethanol, deionized water stirs, and then add nano silicon, stirring at room temperature 80min, then PET and PTFE powder is added, then 80 DEG C are heated to, stir 4h, then temperature reduces by 50 DEG C, add natural emulsion, defoamer and thickening material, continue to stir 60min, finally be cooled to room temperature and can obtain required film layer material.
Its film layer material prepared of the above embodiment of the present invention, can first at 150 DEG C of freeze-day with constant temperature 5h, then by twin screw extruder granulation, finally carry out shaping, rolling and can obtain required composite plastic film.
Release film of the present invention, its thin film layer, adopts PET, PTFE as composite parts, add nano silicon, obtained release film, its binding property (stripping strength), water resistance, excellent in mechanical performance simultaneously, compared to the release film of routine, its range of application is more extensive.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its objective is to allow and is familiar with these those skilled in the art and can understands content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalents done by spirit of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (6)
1. a PET compound release film, is characterized in that: comprise thin film layer, and described thin film layer comprises following component by weight ratio:
PET 100 parts;
PTFE powder 40-50 part;
Nano silicon 5-10 part;
3-aminopropyl triethoxysilane 3-5 part;
Butyl acrylate 10-16 part;
Methyl methacrylate 15-20 part;
Methacrylic acid octadecyl 1-2 part;
Polyoxyethylene glycol 10-20 part;
Ethanol 10-20 part;
Deionized water 20-30 part;
Natural emulsion 5-10 part;
Defoamer 0.3-0.5 part;
Thickening material 0.3-0.5 part.
2. PET compound release film according to claim 1, is characterized in that: the particle diameter of described PET to be molecular weight be 20000-30000 is 100-120 object PET particle, and the particle diameter of described PTFE powder is 1-2 μm.
3. PET compound release film according to claim 1, is characterized in that: described polyoxyethylene glycol to be molecular weight be 4000 polyoxyethylene glycol.
4. PET compound release film according to claim 1, is characterized in that: described defoamer is defoamer S12.
5. PET compound release film according to claim 1, is characterized in that: described thickening material is methyl hydroxyethylcellulose.
6. PET compound release film according to claim 1, it is characterized in that: the preparation method of described film layer material is specific as follows: take desired raw material according to weight proportion, then under nitrogen protection, by the 3-aminopropyl triethoxysilane taken, butyl acrylate, methyl methacrylate, methacrylic acid octadecyl, polyoxyethylene glycol, ethanol, deionized water stirs, and then add nano silicon, stirring at room temperature 60-80min, then PET and PTFE powder is added, then 60-80 DEG C is heated to, stir 2-4h, then temperature reduces 40-50 DEG C, add natural emulsion, defoamer and thickening material, continue to stir 40-60min, finally be cooled to room temperature and can obtain required film layer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283085.3A CN104961870A (en) | 2015-05-29 | 2015-05-29 | PET composite release film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283085.3A CN104961870A (en) | 2015-05-29 | 2015-05-29 | PET composite release film |
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| CN104961870A true CN104961870A (en) | 2015-10-07 |
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| CN201510283085.3A Pending CN104961870A (en) | 2015-05-29 | 2015-05-29 | PET composite release film |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440641A (en) * | 2015-12-30 | 2016-03-30 | 太仓卡斯特姆新材料有限公司 | PC (polycarbonate) insulation release film |
| CN105907301A (en) * | 2016-05-09 | 2016-08-31 | 吉翔宝（太仓）离型材料科技发展有限公司 | High-film-forming performance anti-static release film |
| CN105907303A (en) * | 2016-05-09 | 2016-08-31 | 吉翔宝（太仓）离型材料科技发展有限公司 | Thermochromic release film |
| CN105972245A (en) * | 2016-06-06 | 2016-09-28 | 于都海瑞密封防腐科技有限公司 | Durable PTFE diaphragm piece |
| CN107805364A (en) * | 2017-10-27 | 2018-03-16 | 湖州骏马包装材料有限公司 | A kind of oil-stain-preventing packaging bag and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139588A (en) * | 2014-07-14 | 2014-11-12 | 湖北富思特材料科技集团有限公司 | Release film |
-
2015
- 2015-05-29 CN CN201510283085.3A patent/CN104961870A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139588A (en) * | 2014-07-14 | 2014-11-12 | 湖北富思特材料科技集团有限公司 | Release film |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440641A (en) * | 2015-12-30 | 2016-03-30 | 太仓卡斯特姆新材料有限公司 | PC (polycarbonate) insulation release film |
| CN105907301A (en) * | 2016-05-09 | 2016-08-31 | 吉翔宝（太仓）离型材料科技发展有限公司 | High-film-forming performance anti-static release film |
| CN105907303A (en) * | 2016-05-09 | 2016-08-31 | 吉翔宝（太仓）离型材料科技发展有限公司 | Thermochromic release film |
| CN105972245A (en) * | 2016-06-06 | 2016-09-28 | 于都海瑞密封防腐科技有限公司 | Durable PTFE diaphragm piece |
| CN105972245B (en) * | 2016-06-06 | 2018-11-13 | 于都海瑞密封防腐科技有限公司 | Durable PTFE diaphragms |
| CN107805364A (en) * | 2017-10-27 | 2018-03-16 | 湖州骏马包装材料有限公司 | A kind of oil-stain-preventing packaging bag and preparation method thereof |
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Application publication date: 20151007 |