CN113292937A - Dot-matrix PET protection film and use net roller thereof - Google Patents
Dot-matrix PET protection film and use net roller thereof Download PDFInfo
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- CN113292937A CN113292937A CN202110571403.1A CN202110571403A CN113292937A CN 113292937 A CN113292937 A CN 113292937A CN 202110571403 A CN202110571403 A CN 202110571403A CN 113292937 A CN113292937 A CN 113292937A
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- protective film
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2421/00—Presence of unspecified rubber
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2475/00—Presence of polyurethane
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2483/00—Presence of polysiloxane
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Abstract
The invention discloses a dot-matrix PET (polyethylene terephthalate) protective film which comprises a substrate layer, wherein a bump layer is fixed on the substrate layer, the bump layer comprises a plurality of first bumps and second bumps, the first bumps and the second bumps are uniformly distributed, and the upper vertexes of the first bumps and the second bumps are on the same plane. The invention has high performance, high compatibility, ultrahigh exhaust performance and reworkability.
Description
Technical Field
The invention relates to the technical field of films, in particular to a dot-matrix PET protective film and a mesh roller for the same.
Background
With the development of science and technology, the requirements of electronic products on protective films are improved, and the existing protective films are easy to fall off, reversely peel or damage the structure of an attached object when being attached with graphite or electronic products, so that economic loss is caused; on the other hand, the existing protective film has low compatibility, and particularly for objects to be adhered with low cohesive force, matching errors are easy to occur during matching of the protective film; in addition, the existing protective film has mutual interference influence factors among the selected raw materials, so that the protective film is easy to peel off to influence the service life, and the performance of the protective film is further influenced, so that the conductive performance of the protective film is poor, the protective film is easy to be influenced by static electricity, and the performance is low; and the existing protective film in the conventional adhesive surface state cannot meet the objective use requirement, so the protective film in the die cutting industry, the graphite or graphene or electronic product industry still has huge economic market prospect.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a PET protective film, and the PET protective film can solve the problems.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
on one hand, the invention provides a dot-matrix PET protective film which comprises a substrate layer, wherein a bump layer is fixed on the substrate layer, the bump layer comprises a plurality of first bumps and second bumps, the first bumps and the second bumps are uniformly distributed, and the upper vertexes of the first bumps and the second bumps are on the same plane.
As a further scheme of the invention, the base material layer is made of PET, and the salient point layer is made of silica gel, acrylic glue, pu glue or rubber.
As a further aspect of the present invention, the first bump has a horizontal cross-sectional shape of a circle or a regular polygon.
As a further proposal of the invention, the horizontal section shape of the second salient point is oval or triangle or diamond or rectangle.
In a further aspect of the present invention, the substrate layer has a thickness of 25 to 300 μm, and the bump layer has a thickness of 4 to 20 μm.
As a further scheme of the invention, the array density range of the first salient points and the second salient points is 70-500 ten thousand points per square meter.
As a further scheme of the invention, the array density range of the first salient points and the second salient points is 100-300 ten thousand points per square meter.
As a further scheme of the invention, the PET protective film has high performance, high compatibility, ultrahigh exhaust property and reworkability, and is suitable for die cutting industry or graphite or graphene industry and electronic product protection industry.
On the other hand, the invention provides a dot-matrix PET protective film mesh roller, which comprises a mesh roller body and a compression roller, wherein the surface of the mesh roller body is coated with silica gel, the surface of the mesh roller body is provided with a plurality of grooves, the grooves comprise a first groove and a second groove, the first groove and the second groove are uniformly distributed, and the lower bottom surfaces of the first groove and the second groove are on the same circumference;
and a PET protective film is arranged between the net roller body and the compression roller, so that the PET protective film can continuously prepare silica gel salient points between the net roller body and the compression roller.
As a further scheme of the invention, the first groove and the second groove correspond to the shapes of the first bump and the second bump one by one.
As the technical scheme is adopted, the invention has the advantages and positive effects that:
1. through the dot-matrix salient points uniformly distributed on the substrate layer, the graphite or electronic product can be well compatible, the exhaust performance is ultrahigh, and the stripping force is stable.
2. The PET protection film made through the net roller body and the compression roller has a plurality of silica gel salient points on the surface of the base material layer, can be well compatible with graphite or electronic products, and has high performance.
Drawings
Fig. 1 is a sectional view of a dot-matrix PET protective film according to the present invention.
Fig. 2 is a plan view of a first product of a dot-matrix PET protective film according to the present invention.
Fig. 3 is a top view of a second product of a dot-matrix PET protective film according to the present invention.
Fig. 4 is a top view of a third product of a dot-matrix PET protective film according to the present invention.
Fig. 5 is a top view of a fourth product of a dot-matrix PET protective film according to the present invention.
Fig. 6 is a top view of a fifth product of a dot-matrix PET protective film according to the present invention.
Fig. 7 is a top view of a sixth product of a dot-matrix PET protective film according to the present invention.
Fig. 8 is a plan view of a seventh product of a dot-matrix PET protective film according to the present invention.
Fig. 9 is a plan view of an eighth product of a dot-matrix PET protective film according to the present invention.
Fig. 10 is a plan view of a ninth product of a dot-matrix PET protective film according to the present invention.
Fig. 11 is a plan view of a tenth product of a dot-matrix PET protective film according to the present invention.
Fig. 12 is a schematic view of the structure of the mesh roll body.
Fig. 13 is an enlarged view of a in fig. 12.
Fig. 14 is comparative data of performance tests of the dot-matrix PET protective film of the present invention and the flat-coated PET protective film.
In the figure: 1 is the substrate layer, 2 is the bump layer, 3 is first bump, 4 is the second bump, 5 is the net roll body, 6 is the compression roller, 7 is first recess, 8 is the second recess.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, the dot-matrix PET protective film of the present invention includes a substrate layer 1, a bump layer 2 is fixed on the substrate layer 1, the bump layer 2 includes a plurality of first bumps 3 and second bumps 4, the first bumps 3 and the second bumps 4 are uniformly distributed, and the upper vertexes of the first bumps 3 and the second bumps 4 are on the same plane.
Further, the base material layer 1 is made of PET, and the salient point layer is made of silica gel, acrylic glue, pu glue or rubber.
Further, the first bump 3 has a horizontal cross-sectional shape of a circle or a regular polygon.
Further, the horizontal cross-sectional shape of the second bump 4 is an ellipse or a triangle or a diamond or a rectangle.
Furthermore, the thickness of the substrate layer 1 is 25-300 μm, and the thickness of the bump layer 2 is 4-20 μm.
Furthermore, the array density range of the first salient points and the second salient points is 70-500 ten thousand points per square meter.
Further, the array density range of the first salient points 3 and the second salient points 4 is 100-300 ten thousand points per square meter.
The PET protective film has high performance, high compatibility, ultrahigh exhaust performance and reworkability, and is suitable for the die cutting industry, the graphite or graphene industry and the electronic product protection industry.
As shown in fig. 12 and 13, a dot-matrix PET protective film mesh roller comprises a mesh roller body 5 and a press roller 6, wherein silica gel is coated on the surface of the mesh roller body 5, a plurality of grooves are formed in the surface of the mesh roller body 5, the grooves comprise a first groove 7 and a second groove 8, the first groove 7 and the second groove 8 are uniformly distributed, and the lower bottom surfaces of the first groove 7 and the second groove 8 are on the same circumference;
and a PET protective film is arranged between the net roller body 5 and the compression roller 6, so that the PET protective film can continuously prepare silica gel salient points between the net roller body 5 and the compression roller 6.
Further, the first groove 7 and the second groove 8 correspond to the shape of the first bump 3 and the second bump 4 one by one.
Example 1
As shown in fig. 2 and 3, the dot-matrix PET protective film of the product is composed of hemispherical first bumps 3, semi-elliptical second bumps 4 and a PET substrate, and has the characteristic of a uniformly distributed dot array;
the PET substrate is prepared into the dot-matrix PET protective film through a mesh roller body 5 coated with silica gel and a press roller 6.
Example 2
As shown in fig. 4 and 5, the half-spherical first salient point 3, the half-elliptical second salient point 4 and the PET substrate are formed, and the first salient point 3 and the second salient point 4 in fig. 2 and 3 are rotated by 45 °, in actual production, due to the surface tension effect, after the silica gel falls from the mesh roller body 5 and is bonded with the PET substrate, deformation is generated, so that inconsistent salient points are generated, and the compatibility with graphite or electronic products is greatly reduced.
Example 3
As shown in fig. 6 to 9, the pattern is composed of hemispherical first salient points 3, rhombic second salient points 4 and a PET substrate, fig. 7 can be obtained by rotating each point in fig. 6 by 45 °, and fig. 9 can be obtained by rotating each point in fig. 8 by 45 °, in actual production, due to the surface tension, after the silicone gel falls from the mesh roller body 5 and is bonded with the PET substrate, part of the silicone gel is deformed, and the salient points after curing are changed into shapes corresponding to those in fig. 2 to 5, so that the effect of embodiment 2 can be produced, and the lattice distribution in fig. 2 and 3 has high performance, high compatibility and ultrahigh air-release property.
Example 4
As shown in fig. 10 and 11, the bumps in the figure are regular hexagonal bumps and the PET substrate, fig. 11 can be obtained by rotating each point in fig. 10 by 45 °, in actual production, the surface tension causes the silicone gel to fall from the mesh roller body 5 and to be bonded with the PET substrate, and then the part of the silicone gel is deformed, the shape of each bump becomes hemispherical after curing, the shape of each bump is not uniform, the compatibility of each bump is slightly inferior to that of the dot matrix, the air release property is slightly inferior, and the performance is slightly inferior.
As can be seen from fig. 14, the dot-matrix PET protective film of the present invention has the characteristics of high performance, high compatibility, and ultrahigh air-release property compared to the flat-glue PET protective film.
In conclusion, the dot-matrix PET protective film formed by hemispheres and ellipses has higher compatibility with graphite or electronic products, better air exhaust performance and higher performance, and can be widely applied.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many variations or modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (10)
1. The utility model provides a dot-matrix PET protection film, characterized by: the packaging structure comprises a substrate layer, wherein a bump layer is fixed on the substrate layer and comprises a plurality of first bumps and second bumps, the first bumps and the second bumps are uniformly distributed, and the upper peaks of the first bumps and the second bumps are on the same plane.
2. The protective film of the dot-matrix PET of claim 1, wherein: the material of substrate layer is PET, the material on bump layer is silica gel or ya keli glue or pu glue or rubber.
3. The protective film of the dot-matrix PET of claim 1, wherein: the horizontal cross section of the first salient point is in a circular or regular polygon shape.
4. The protective film of the dot-matrix PET of claim 1, wherein: the horizontal cross section of the second salient point is in an oval shape, a triangular shape, a diamond shape or a rectangular shape.
5. The protective film of the dot-matrix PET of claim 1, wherein: the thickness of the substrate layer is 25-300 mu m, and the thickness of the salient point layer is 4-20 mu m.
6. The protective film of the dot-matrix PET of claim 1, wherein: the array density range of the first salient points and the second salient points is 70-500 ten thousand points per square meter.
7. The protective film of the dot-matrix PET as claimed in claim 6, wherein: the array density range of the first salient points and the second salient points is 100-300 ten thousand points per square meter.
8. The protective film according to any one of claims 1 to 7, wherein: the PET protective film has high performance, high compatibility, ultrahigh exhaust performance and reworkability, and is suitable for the die cutting industry or the graphite or graphene industry and the electronic product protection industry.
9. The utility model provides a lattice type PET net roller for protection film which characterized by: the roller comprises a net roller body and a press roller, wherein silica gel is coated on the surface of the net roller body, a plurality of grooves are formed in the surface of the net roller body, each groove comprises a first groove and a second groove, the first grooves and the second grooves are uniformly distributed, and the lower bottom surfaces of the first grooves and the second grooves are on the same circumference;
and a PET protective film is arranged between the net roller body and the compression roller, so that the PET protective film can continuously prepare silica gel salient points between the net roller body and the compression roller.
10. The web roll for a dot-matrix PET protective film according to claim 9, wherein: the first groove and the second groove correspond to the first salient point and the second salient point in shape one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110571403.1A CN113292937A (en) | 2021-05-25 | 2021-05-25 | Dot-matrix PET protection film and use net roller thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110571403.1A CN113292937A (en) | 2021-05-25 | 2021-05-25 | Dot-matrix PET protection film and use net roller thereof |
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| Publication Number | Publication Date |
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| CN113292937A true CN113292937A (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110571403.1A Pending CN113292937A (en) | 2021-05-25 | 2021-05-25 | Dot-matrix PET protection film and use net roller thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103740319A (en) * | 2013-12-25 | 2014-04-23 | 东莞市纳利光学材料有限公司 | Preparation method of optical protection film capable of magnifying screen fonts |
| CN205347309U (en) * | 2015-11-24 | 2016-06-29 | 东莞中能膜业科技有限公司 | New -type diffusion piece protection film |
| KR20170107159A (en) * | 2016-03-15 | 2017-09-25 | 이은상 | Decoration panel with pattern and manufacturing method thereof |
| CN107227127A (en) * | 2017-07-25 | 2017-10-03 | 京东方科技集团股份有限公司 | A kind of mould release membrance and diaphragm |
| CN108132495A (en) * | 2017-11-17 | 2018-06-08 | 刘介中 | Multilayer film with anisotropy light transmission |
| PL424139A1 (en) * | 2018-01-05 | 2019-07-15 | Decora Spółka Akcyjna | Base mat for floor linings |
| CN209379328U (en) * | 2018-12-29 | 2019-09-13 | 江苏膜可光学材料有限公司 | A kind of release liners coating compounding machine |
| CN211471281U (en) * | 2019-12-06 | 2020-09-11 | 东莞市卓华高分子材料有限公司 | PET double-layer acrylic grid protective film |
| CN111976239A (en) * | 2020-08-17 | 2020-11-24 | 苏州世沃电子科技有限公司 | Compound heat conduction graphite flake and rolling press device |
-
2021
- 2021-05-25 CN CN202110571403.1A patent/CN113292937A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103740319A (en) * | 2013-12-25 | 2014-04-23 | 东莞市纳利光学材料有限公司 | Preparation method of optical protection film capable of magnifying screen fonts |
| CN205347309U (en) * | 2015-11-24 | 2016-06-29 | 东莞中能膜业科技有限公司 | New -type diffusion piece protection film |
| KR20170107159A (en) * | 2016-03-15 | 2017-09-25 | 이은상 | Decoration panel with pattern and manufacturing method thereof |
| CN107227127A (en) * | 2017-07-25 | 2017-10-03 | 京东方科技集团股份有限公司 | A kind of mould release membrance and diaphragm |
| CN108132495A (en) * | 2017-11-17 | 2018-06-08 | 刘介中 | Multilayer film with anisotropy light transmission |
| PL424139A1 (en) * | 2018-01-05 | 2019-07-15 | Decora Spółka Akcyjna | Base mat for floor linings |
| CN209379328U (en) * | 2018-12-29 | 2019-09-13 | 江苏膜可光学材料有限公司 | A kind of release liners coating compounding machine |
| CN211471281U (en) * | 2019-12-06 | 2020-09-11 | 东莞市卓华高分子材料有限公司 | PET double-layer acrylic grid protective film |
| CN111976239A (en) * | 2020-08-17 | 2020-11-24 | 苏州世沃电子科技有限公司 | Compound heat conduction graphite flake and rolling press device |
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