CN112318945A - TPU protection film that prevents dust - Google Patents

TPU protection film that prevents dust Download PDF

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Publication number
CN112318945A
CN112318945A CN202011149180.1A CN202011149180A CN112318945A CN 112318945 A CN112318945 A CN 112318945A CN 202011149180 A CN202011149180 A CN 202011149180A CN 112318945 A CN112318945 A CN 112318945A
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CN
China
Prior art keywords
layer
protective film
tpu
film body
dust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011149180.1A
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Chinese (zh)
Inventor
金尚润
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yibin Liangya New Material Co ltd
Original Assignee
Yibin Liangya New Material Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yibin Liangya New Material Co ltd filed Critical Yibin Liangya New Material Co ltd
Priority to CN202011149180.1A priority Critical patent/CN112318945A/en
Publication of CN112318945A publication Critical patent/CN112318945A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/21—Anti-static
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/212—Electromagnetic interference shielding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Telephone Set Structure (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention discloses a TPU (thermoplastic polyurethane) dustproof protective film, which comprises a protective film body and a filter layer, wherein two sides of the protective film body are curved surfaces, the middle part of the protective film body is a plane, the curved surface of the protective film body is provided with a TPU layer, the lower surface of the TPU layer is provided with a silica gel layer, and the curved surface of the protective film body is provided with a protective layer; when the front of device bumps, the toughened glass material can effectually protect equipment, when the curved surface bumps, the cavity atress extrusion, further carry out more comprehensive protection to the side of equipment through the inoxidizing coating, avoided the protection film to appear cracked condition because the edge bumps, through-hole department sets up double-deck filter screen, can effectually block dust and water droplet, avoid dust and water to enter into the inside of equipment through the earphone, thereby make the protection film carry out more comprehensive protection to equipment.

Description

TPU protection film that prevents dust
Technical Field
The invention belongs to the technical field of protective films, and particularly relates to a TPU (thermoplastic polyurethane) dustproof protective film.
Background
The TPU material has the excellent characteristics of high tension, high tensile force, toughness and aging resistance, and is a mature environment-friendly material. At present, TPU is widely applied to the aspects of medical sanitation, electronic and electric appliances, industry, sports and the like, has the incomparable characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and the like of other plastic materials, and simultaneously has a plurality of excellent functions of high waterproofness, moisture permeability, wind resistance, cold resistance, antibiosis, mildew resistance, warm keeping, ultraviolet resistance and the like;
with the development of science and technology, the comprehensive screen mobile phone is slowly popularized in life, the protective film of the comprehensive screen mobile phone with the front camera adopting a lifting structure is provided with a through hole only at the position where the loudspeaker is reserved on the upper part of the screen, the edge of a common hard protective film is easy to crack when colliding, and in the using process, the hole is easy to enable the inside of the machine to enter dust and water, so that the use of equipment is influenced.
Disclosure of Invention
The invention aims to provide a TPU (thermoplastic polyurethane) dustproof protective film, which is used for solving the technical problems in the prior art, such as: dust and water easily enter the trompil department of protection film among the prior art, and in the use, easily cracked when the corner of protection film bumps.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the TPU dustproof protective film comprises a protective film body and a filter layer;
the protective film body comprises a TPU layer and a silica gel layer, the silica gel layer is arranged on the lower surface of the TPU layer, a protective layer is further arranged in the protective film body, first cavities are formed in the two sides of the protective film body, the first cavities are arranged between the TPU layer and the silica gel layer, and the protective layer is embedded into the first cavities;
the surface of the protective film body is provided with a through hole, the filtering layer is arranged in the through hole and comprises a first filtering net layer and a second filtering net layer, a second cavity is arranged between the first filtering net layer and the second filtering net layer, and a waterproof layer is arranged in the second cavity.
Furthermore, tempered glass is arranged at the plane end of the protective film body.
Further, the lower surface on silica gel layer is provided with the filter layer, the filter layer is used for filtering the blue light.
Further, an adhesive layer is arranged between the TPU layer and the silica gel layer.
Further, the surface of the protection film body is also provided with an antistatic layer.
Further, the lower surface of the anti-static layer is also provided with an anti-radiation layer.
Further, the bottom of the filter layer is provided with a peep-proof layer.
Further, a release layer is arranged at the bottom of the peep-proof layer.
The beneficial technical effects of the invention are as follows:
when the front of device bumps, the toughened glass material can effectually protect equipment, when the curved surface bumps, the cavity atress extrusion, further carry out more comprehensive protection to the side of equipment through the inoxidizing coating, avoided the protection film to appear cracked condition because the edge bumps, through-hole department sets up double-deck filter screen, can effectually block dust and water droplet, avoid dust and water to enter into the inside of equipment through the earphone, thereby make the protection film carry out more comprehensive protection to equipment.
Drawings
FIG. 1 is a schematic view of the surface of a protective film body according to the present invention;
FIG. 2 is a schematic view of a curved surface of a protective film body according to the present invention;
FIG. 3 is a schematic view of a protective layer structure according to the present invention;
fig. 4 shows a schematic view of a filter layer according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The TPU dustproof protective film comprises a protective film body 1 and a filter layer 2;
the two sides of the protective film are curved surfaces, and the middle part of the protective film is a plane;
during specific implementation, the arc center of the curved surface is arranged below the curved surface, the lower surface of the curved surface is in contact with a display screen of the mobile terminal device, and the filter layer 2 is arranged right above a mobile terminal receiver.
The curved surface end of the protective film is provided with a TPU layer 4, the lower surface of the TPU layer 4 is provided with a silica gel layer 5, a protective layer 9 is arranged in the protective film body 1, an upward groove is formed on the TPU layer 4, a downward groove is formed on the silica gel layer 5, a first cavity 7 is formed between the grooves of the silica gel layer 5 and the groove of the TPU layer 4, and the protective layer 9 is embedded into the first cavity 7;
as shown in fig. 1-4, in specific implementation, the curved surfaces on the two sides are attached to the side screen of the mobile terminal device, the TPU layer 4 and the silica gel layer 5 are used for providing toughness for the protective film, and when the protective film collides, the TPU layer 4 and the silica gel layer 5 can buffer the force generated by the collision, so that the protective film is prevented from being broken, the display screen of the internal device is further protected, when the curved surface end of the protective film collides, the protective layer 9 is pressed by the first cavity 7, and the display screen of the internal device is further prevented from being damaged by the protective layer 9.
The surface of the protective film body 1 is provided with a through hole 3, a filter layer 2 is arranged in the through hole 3, the filter layer 2 comprises a first filter screen layer 21 and a second filter screen layer 22, a second cavity 10 is formed between the first filter screen layer 21 and the second filter screen layer 22, a waterproof layer 8 is arranged in the second cavity 10, and the waterproof layer is arranged between the first filter screen layer 21 and the second filter screen layer 22;
during specific implementation, through-hole 3 sets up in mobile terminal's earphone department, in the production process of protection film, through-hole 3 can adjust the size according to mobile terminal's model, the inside of through-hole 3 sets up first filter layer 21 and carries out preliminary blockking to the dust of outside, second filter screen layer 22 can further block the dust, avoid the dust to enter into the inside of equipment through the earphone, waterproof layer 8 can avoid the water droplet to enter into the inside of equipment through-hole 3, thereby carry out more comprehensive protection to equipment.
Furthermore, the plane end of the protective film body 1 is provided with toughened glass, and the toughened glass has good strength and can effectively protect the display screen of the equipment when the front side of the display screen collides.
Further, the lower surface of silica gel layer 5 is provided with filter layer 6, and filter layer 6 is used for filtering the blue light to avoid the blue light to cause the injury to the people's eye.
Further, an adhesive layer is arranged between the TPU layer 4 and the silica gel layer 5, so that the TPU layer 4 and the silica gel layer 5 are tightly attached.
Further, the surface of the protective film body 1 is further provided with an antistatic layer 11 for preventing static electricity, thereby reducing dust adsorption.
Further, the lower surface of the anti-static layer 11 is also provided with an anti-radiation layer, so that radiation generated by the mobile terminal device is slowed down, and the health of a user is further protected.
Further, the bottom of the filter layer 6 is provided with a peep-proof layer 12, a grating is arranged on the peep-proof layer, the grating is a cylindrical body arranged in a shutter mode, when human eyes look at the screen of the mobile terminal device from the side face, the peep-proof layer 12 blocks the content of the display screen of the mobile terminal device, and therefore the peep-proof effect is achieved.
Further, the bottom on peep-proof layer 12 is provided with from type layer 13, sets up to be used for making better laminating of protection film and mobile terminal's display screen and when needing to change the protection film from type layer 13, makes the protection film violently reveal easily through from type layer 13.
In the description of the present invention, it is to be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting.

Claims (8)

1. The TPU dustproof protective film comprises a protective film body (1) and is characterized by further comprising a filter layer (2);
the protective film body (1) comprises a TPU layer (4) and a silica gel layer (5), the silica gel layer (5) is arranged on the lower surface of the TPU layer (4), a protective layer (9) is further arranged in the protective film body (1), a first cavity (7) is formed inside two sides of the protective film body (1), the first cavity (7) is arranged between the TPU layer (4) and the silica gel layer (5), and the protective layer (9) is embedded into the first cavity (7);
the surface of the protective film body (1) is provided with a through hole (3), the filter layer (2) is arranged in the through hole (3), the filter layer (2) comprises a first filter screen layer (21) and a second filter screen layer (22), a second cavity (10) is arranged between the first filter screen layer (21) and the second filter screen layer (22), and a waterproof layer (8) is arranged in the second cavity (10).
2. The TPU dust-proof protective film according to claim 1, wherein the plane end of the protective film body (1) is provided with toughened glass.
3. The TPU dust-proof protective film according to claim 1, wherein a filter layer (6) is arranged on the lower surface of the silica gel layer (5), and the filter layer (6) is used for filtering blue light.
4. The TPU dust-proof protective film according to claim 1, wherein an adhesive layer is arranged between the TPU layer (4) and the silica gel layer (5).
5. The TPU dust-proof protective film according to claim 1, wherein the surface of the protective film body (1) is further provided with an antistatic layer (11).
6. The TPU dust-proof protective film according to claim 5, wherein a radiation-proof layer is further arranged on the lower surface of the antistatic layer (11).
7. The TPU dust protection film according to claim 1, wherein the filter layer (6) is provided with a peep-proof layer (12) at the bottom.
8. The TPU dust-proof protective film according to claim 1, wherein a release layer (13) is arranged at the bottom of the peep-proof layer (12).
CN202011149180.1A 2020-10-23 2020-10-23 TPU protection film that prevents dust Pending CN112318945A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011149180.1A CN112318945A (en) 2020-10-23 2020-10-23 TPU protection film that prevents dust

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011149180.1A CN112318945A (en) 2020-10-23 2020-10-23 TPU protection film that prevents dust

Publications (1)

Publication Number Publication Date
CN112318945A true CN112318945A (en) 2021-02-05

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206277746U (en) * 2016-12-13 2017-06-27 深圳市西陆光电技术有限公司 A kind of silica gel protected film with shatter-resistant function
CN206840890U (en) * 2017-02-24 2018-01-05 广州市摩可电子科技有限公司 TPU protection film that prevents dust
CN208401923U (en) * 2018-06-05 2019-01-18 深圳市晨浩电声电子有限公司 A kind of mobile handset network window
CN209479112U (en) * 2019-01-23 2019-10-11 东莞市品佳光学科技有限公司 The dust-proof protective film of terminal device
CN210100927U (en) * 2019-04-11 2020-02-21 东莞市冠和光学玻璃有限公司 Protection film with dustproof construction
CN210415788U (en) * 2019-08-12 2020-04-28 潘啟冰 Cowhells rupture membrane
CN210652207U (en) * 2019-08-21 2020-06-02 东莞市茂宏电子塑胶有限公司 Prevent cell-phone protection film that falls and hit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206277746U (en) * 2016-12-13 2017-06-27 深圳市西陆光电技术有限公司 A kind of silica gel protected film with shatter-resistant function
CN206840890U (en) * 2017-02-24 2018-01-05 广州市摩可电子科技有限公司 TPU protection film that prevents dust
CN208401923U (en) * 2018-06-05 2019-01-18 深圳市晨浩电声电子有限公司 A kind of mobile handset network window
CN209479112U (en) * 2019-01-23 2019-10-11 东莞市品佳光学科技有限公司 The dust-proof protective film of terminal device
CN210100927U (en) * 2019-04-11 2020-02-21 东莞市冠和光学玻璃有限公司 Protection film with dustproof construction
CN210415788U (en) * 2019-08-12 2020-04-28 潘啟冰 Cowhells rupture membrane
CN210652207U (en) * 2019-08-21 2020-06-02 东莞市茂宏电子塑胶有限公司 Prevent cell-phone protection film that falls and hit

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Application publication date: 20210205

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