CN1680468A - Protecting film and preparation thereof - Google Patents
Protecting film and preparation thereof Download PDFInfo
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- CN1680468A CN1680468A CN 200410029963 CN200410029963A CN1680468A CN 1680468 A CN1680468 A CN 1680468A CN 200410029963 CN200410029963 CN 200410029963 CN 200410029963 A CN200410029963 A CN 200410029963A CN 1680468 A CN1680468 A CN 1680468A
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- base material
- protective membrane
- film
- membrane
- viscose
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Abstract
A protective foil is composed of backing and adhesion layer. The backing is made from the polycarbonate, polyethylene, polypropylene or aromatic polyester. There is a polyacrylics rayon between the backing and the adhesion layer which can betterment the close level. Also the rayon can improve the resistance of the stress of the protective foil and decrease the cost greatly.
Description
Technical field
Protective membrane and manufacture method thereof that the present invention uses about a kind of display unit refer to a kind of have polyacrylic mucous membrane that can promote base material and adhering layer driving fit and the display unit composite protection film that can reduce the adhering layer usage quantity especially.
Background technology
In daily life, almost there is not a use that can break away from display unit or screen, for example by the watching of TV, we can absorb programme content of different nature, have enriched life.Or computer media is in vogue, by graphoscope, we can converge fast whole data with handle great mass of data, carry out emulation, trend prediction or even all kinds of literary and artistic creation of data base administration (DBM), flow process keyholed back plate, affairs, quicken human lives's step as catalyzer.At present people use its surface of all types of display unit to have the protective membrane of one deck light-permeable at least, and this protective membrane has and prevents that dust fall is attached to screen surface and prevents that screen from suffering the effect of external force scratch.It is made of base material, adhering layer and release film three-layer-material the screen protection film of prior art (being commonly called as screen protection pastes) at least; when the screen protection film does not use as yet in leaving unused; then temporarily be attached on the release film, when waiting to desire to paste to screen, directly peeling off tears gets final product.
Aforementioned substrates is generally that materials such as polycarbonate (PC), polyethylene (PE), orientation stretching polypropylene (OPP) or aromatic polyester form, and base material is a protective membrane primary structure layer, and in order to be used as the coated bottom of other specific function film.Aforementioned adhering layer then is attached at a side of base material, is made of the polymkeric substance that contains organoalkoxysilane usually, on the screen that base material is posted up the desire protection.The thickness of aforementioned substrates must be moderate, if the too thick then rigidity of base material is excessive, and be difficult to evenly paste the form of not floating, if outside the too thin bump trace that then easily leaves from the thrust of outside, also be difficult under the state of no wrinkle, paste and peel off from release film.In addition; there is another problem in the manufacturing of prior art protective membrane; two interface adherences are not good between the adhering layer that base material and organoalkoxysilane are formed; easily cause protective membrane not to be durable and be easy to generate the phenomenon of peeling off; and on the economic aspect of making; the adhering layer of prior art screen protection film must have suitable thickness (thickness is about 25 μ m～30 μ m usually); usually account for the suitable ratio of the total manufacturing cost of protective membrane; therefore how under the consideration that reduces cost, to reduce the adhering layer consumption simultaneously; and take into account the improvement of adherence between base material and adhering layer, become important improvement problem.
Because still have the space of further improvement on the above-mentioned prior art screen protection membrane structure, the present invention promptly proposes a kind of protective membrane and manufacture method thereof according to the demand.
Summary of the invention
First purpose of the present invention is to be to provide a kind of protective membrane and manufacture method thereof; this protective membrane comprises base material and adhering layer; and, make this protective membrane have higher anti-stress structure existing one deck can improve the polyacrylic mucous membrane of closed intensity between base material and adhering layer between base material and adhering layer.
Second purpose of the present invention is to be to provide a kind of protective membrane and manufacture method thereof, by base material with stick together
Interlayer exists one deck can improve the polyacrylic mucous membrane of base material and adhering layer two interlayer closed intensities, makes
Thickness that must the required use of this adhering layer can reduce, thereby significantly reduces the cost of making protective membrane.
Specifically, the invention provides a kind of protective membrane, it comprises:
(A) base material, it is made by one or more of the material that is selected from polycarbonate, polyethylene, polypropylene or aromatic polyester;
(B) adhering layer, it is present on arbitrary surface of this base material; And
(C) mucous membrane, it is present between this base material and this adhering layer, contains the formed polymkeric substance of acrylic acid derivative.
The base material that the aromatic polyester of described base material preferably polyethylene terephthaldehyde ester and so on is made.
Described adhering layer mainly contains organoalkoxysilane.
Described mucous membrane just is meant the mucous membrane of the polyacrylic acid resinoid that the acrylic acid derivative polymerization forms, and the polyacrylic acid resinoid that for example optimization polypropylene acid, polymethyl acrylate, polymethylmethacrylate etc. are commonly used in the industry can use one kind of or multiple.
The visual composite protection film of producer is required simultaneously, and is pasted with additional other functional membrane of tossing about of viscose on this base material, for example replys film, antiglare film etc.
Description of drawings
Fig. 1 is the local amplification sectional view of the first embodiment of the present invention;
Fig. 2 is the local amplification sectional view of the second embodiment of the present invention;
Fig. 3 is the local amplification sectional view of the third embodiment of the present invention;
Fig. 4 is the synoptic diagram of adhering layer of the present invention and mucous membrane coating method;
Fig. 5 is the synoptic diagram of answer film coating method of the present invention;
Fig. 6 is the chemical structure synoptic diagram of answer film of the present invention.
The figure number explanation:
1 base material; A replys film; 2 viscoses; The B antiglare film; 3 adhering layers; The C hard frame; 4 release films; The soft skeleton of D; 5 apparatus for coating; The E restoring force; 51 first are coated with head; F external force; 52 second are coated with head; 53 are coated with the head outlet; 6 baking ovens; 71 first rolling devices; 72 second rolling devices; 81 coating rollers; 82 pressure rollers; 83 container for paint; 9 ultraviolet curing devices.
Embodiment
Below will enumerate preferred embodiment and describe method of the present invention in detail, function mode is reached effect, and other technical characterictic of the present invention.
Please refer to Fig. 1, the local amplification sectional view of its first embodiment for protective membrane of the present invention.This protective membrane is for being applied to such as computer and liquid crystal TV set, the film for optical use on the display pictures such as auto navigation, mobil phone.This protective membrane is made up of a base material 1, an adhering layer 3 and a mucous membrane at least; aforementioned substrates 1 is formed by being selected from one of materials such as polycarbonate (PC), polyethylene (PE), orientation stretching polypropylene (OPP) or aromatic polyester; the thickness of base material 1 is approximately in 75 μ m～188 mu m ranges, is good with about 100 μ m left and right sides persons.This is to be difficult to protect screen because base material 1 film when too thin, easily leaves from the bump trace of the thrust of outside, and pastes with overburden operation and be difficult to carry out.And when surpassing 188 μ m, then its rigidity is excessive, and is difficult to evenly paste the form of not floating.In addition, on the price structure of protective membrane, overspending on the master thin layer makes to make on the desired economic face of protective membrane and also has any problem.
One deck viscose 2 is coated with on the surface that invests base material 1, and this viscose 2 is an acrylic acid derivative, adds suitable linking agent (cross linker) and the formed polymkeric substance of catalyzer, is diluted in organic solvent and for example promptly is coated with behind the toluene (Toluene) and invests on the base material 1.The thickness of coated this mucous membrane is about in 10 μ m～15 mu m ranges.Subsequently aforementioned adhering layer 3 is coated with and invests this above viscose 2, described adhering layer mainly contains organoalkoxysilane, by the attached one deck polyacrylic of overbrushing viscose 2, can significantly improve the tightness of adhering to of 3 of base material 1 and adhering layers, in addition, because the cost of viscose 2 expenditure when, therefore using viscose 2 not as expensive as the adhering layer 3, at least can reduce adhering layer 3 half desired thickness and its consumption, and then reach the purpose that effectively reduces cost.Protective membrane among the present invention can be attached at the release film 4 of non-organoalkoxysilane type by its adhering layer 3, and this release film 4 is optional from polyethylene terephthaldehyde ester (PET), orientation stretching polypropylene (OPP) or polyethylene (PE).
According to the present invention, in this method of following manufacturing the invention described above first embodiment is proposed also, it comprises following all steps:
(1) at first select for use aromatic polyester to be used as the main raw material of making base material 1, preferably polyethylene terephthaldehyde ester (toray; Trade(brand)name " Toray T-60 PET " or Mitsubishi; Trade(brand)name " T-600EPET ")
(2) utilize cylinder to carry out rolling this base material 1 or roll out, please refer to Fig. 4, when base material 1 scrolls to when being provided with apparatus for coating 5 places, what this apparatus for coating 5 was had first is coated with in 51 its cavitys and contains polyacrylic viscose 2, the product that this polyacrylic viscose 2 can select for use Japan always to grind; Trade(brand)name " AT-240 ", and be used as diluting solvent by toluene (Toluene), polyacrylic viscose 2 is coated with about 15 μ m left and right thicknesses on base material 1 via being coated with head outlet 53.
(3) when base material 1 continues scrolling, deliver to second of apparatus for coating 5 and be coated with 52, equally via being coated with the about 15 μ m left and right thicknesses of head outlet 53 coatings on this polyacrylic viscose 2, aforementioned sticking agent can be selected the product of Taiwan DOW CORNING for use with the adhering layer that contains organoalkoxysilane 3 in its cavity; Trade(brand)name " 7210 ", and be used as diluting solvent by toluene (Toluene).
(4) painting polypropylene acids viscose 2 and the adhering layer 3 that contains organoalkoxysilane are behind base material 1, and this base material 1 of scrolling enters in the baking oven 6, and the drying program that carried out 1 minute under 150 ℃ of environment makes it sclerosis.
(5) the base material 1 applying release film 4 after the sclerosis promptly forms protective membrane of the present invention.
(6) the visual composite protection film of producer is required, and attaches additional other functional membrane of tossing about of this viscose 2 on this base material 1.
The second embodiment of the present invention sees also Fig. 2 and Fig. 6, its is in the opposite side of base material 1 different with first embodiment is pasted with an answer layer, this answer layer has the low surface friction coefficient, when suffering an external force F, can produce a restoring force E simultaneously to reduce the caused deformation of external force F.Described answer layer material with low surface friction coefficient is the common used material of knowing in the industry.In an embodiment; the used layer material of replying is selected from " RT-1S " that Japanese NATOCO company is produced; see also Fig. 5; to reply the paint fill of film A in container for paint 83; roll out between coating roller 81 and the pressure roller 82 by the protective membrane of first rolling device 71 first embodiment; coating roller 81 and pressure roller 82 be backward rotation each other; coating roller 81 outer rims have serration; can when rotating, adhere to and form the coating of replying film A; and then coat the opposite side of base material 1; reply the about 20 μ m of film A coating thickness; subsequently in after the drying at room temperature again after ultraviolet curing device 9 is with 300mj/cm2 UV rayed, promptly finish hardening process and rolling in second rolling device 72.
The third embodiment of the present invention sees also Fig. 3, its is in the opposite side of base material 1 different with first embodiment is pasted with an antiglare film B, this antiglare film B is mainly this area compositions such as light initiator, smoothing agent, nanoparticle and diluting solvent commonly used formed, coat base material 1 with the certain proportion uniform mixing the about 6 μ m thickness of opposite side, after 70 ℃ of baking oven 6 dryings, after the 150W UV-irradiation, finish hardening process again and promptly form antiglare film B earlier.Antiglare film B has some particles, and this particle can increase the dispersion effect that extraneous light exposes to this antiglare film B, causes the user when watching display unit or screen, can not injure eyesight because of reflected light.
Only the above only is preferred embodiment of the present invention, can not with the scope implemented of qualification the present invention.Promptly the equalization of doing according to claim of the present invention generally changes and modifies, and all should still belong in the scope that patent of the present invention contains.
Claims (11)
1, a kind of protective membrane, it comprises:
(A) base material, it is made by one or more of the material that is selected from polycarbonate, polyethylene, polypropylene or aromatic polyester;
(B) adhering layer, it is present on arbitrary surface of this base material; And
(C) mucous membrane, it is present between this base material and this adhering layer, contains the formed polymkeric substance of acrylic acid derivative.
2, protective membrane as claimed in claim 1, wherein the material of this base material is a polyethylene terephthaldehyde ester.
3, protective membrane as claimed in claim 1, the polymkeric substance of wherein said acrylic acid derivative are selected from one or more of polyacrylic acid, polymethyl acrylate, polymethylmethacrylate.
4, protective membrane as claimed in claim 1 wherein is pasted with tossing about of mucous membrane and exists one to reply film on this base material, this answer film has the low surface friction coefficient, can reduce the caused deformation of external force.
5, protective membrane as claimed in claim 4 after wherein this answer membrane material is coated with and invests on this base material, needs via uviolizing to finish hardening treatment.
6, protective membrane as claimed in claim 1 wherein is pasted with tossing about of mucous membrane and also has an antiglare film on this base material, this antiglare film has the particle that can increase the light scatter degree.
7, protective membrane as claimed in claim 6, wherein this antiglare film via a preset temperature drying after, and via uviolizing to finish hardening treatment.
8, a kind of method of making protective membrane, it comprises following all steps:
(a) on arbitrary surface of the made base material of the material that is selected from polycarbonate, polyethylene, polypropylene or aromatic polyester, coat the viscose film that acrylic acid derivative aggregates into, and in thereafter;
(b) on this viscose film surface, coat adhering layer.
9, the method for manufacturing protective membrane as claimed in claim 8, wherein the material of this base material is a polyethylene terephthaldehyde ester.
10, the method for manufacturing protective membrane as claimed in claim 8 wherein is pasted with tossing about of viscose and also exists one to reply film on this base material, this answer film has the low surface friction coefficient, can reduce the caused deformation of external force.
11, the method for manufacturing protective membrane as claimed in claim 8 wherein is pasted with tossing about of viscose and also has an antiglare film on this base material, this antiglare film has the particle that can increase light scatter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410029963 CN1276008C (en) | 2004-04-07 | 2004-04-07 | Protecting film and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410029963 CN1276008C (en) | 2004-04-07 | 2004-04-07 | Protecting film and preparation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1680468A true CN1680468A (en) | 2005-10-12 |
| CN1276008C CN1276008C (en) | 2006-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410029963 Expired - Fee Related CN1276008C (en) | 2004-04-07 | 2004-04-07 | Protecting film and preparation thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1276008C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343373B (en) * | 2007-07-11 | 2011-07-06 | 高一烛股份公司 | Oriented polypropylene film for screen protection |
| CN107722866A (en) * | 2017-10-27 | 2018-02-23 | 厦门祥福兴科技股份有限公司 | A kind of energy-saving film for being easy to tear patch and its manufacture method |
-
2004
- 2004-04-07 CN CN 200410029963 patent/CN1276008C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343373B (en) * | 2007-07-11 | 2011-07-06 | 高一烛股份公司 | Oriented polypropylene film for screen protection |
| CN107722866A (en) * | 2017-10-27 | 2018-02-23 | 厦门祥福兴科技股份有限公司 | A kind of energy-saving film for being easy to tear patch and its manufacture method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1276008C (en) | 2006-09-20 |
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Granted publication date: 20060920 |