CN216473028U

CN216473028U - TPU protection film with anti greasy dirt performance

Info

Publication number: CN216473028U
Application number: CN202122773125.6U
Authority: CN
Inventors: 邢汉明
Original assignee: Dongguan Zhongshuo New Material Co ltd
Current assignee: Dongguan Zhongshuo New Material Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-05-10
Anticipated expiration: 2031-11-12

Abstract

The utility model belongs to the technical field of protective films, and particularly relates to a TPU protective film with oil stain resistance, which comprises a protective film main body, wherein a surface film layer is arranged on the outer side of the protective film main body, a using layer is arranged at the bottom end of the surface film layer, a bottom film layer is arranged at the bottom end of the using layer, an outer side protective layer is arranged inside the surface film layer, an automatic repairing coating is arranged on the inner side of the surface film layer, a soft TPU layer is arranged at the bottom end of the automatic repairing coating, an OCA optical adhesive layer is arranged at the bottom end of the soft TPU layer, a release film is arranged inside the bottom film layer, an AF fingerprint-preventing coating is arranged on the outer side of the outer side protective layer, the thickness of the outer side protective layer is 60 micrometers, the thickness of the automatic repairing coating is 20-30 micrometers, the thickness of the soft TPU layer is 90-80 micrometers, a polarizing layer is arranged on one side of the TPU soft layer, and the polarizing layer is a polarizing sheet with an angle of 45 degrees. According to the utility model, the OCA optical adhesive layer, the AF anti-fingerprint coating and the soft TPU layer are arranged, so that the purposes of oil stain resistance, fingerprint resistance and improvement of comfort of the protective film in use can be achieved.

Description

TPU protection film with anti greasy dirt performance

Technical Field

The utility model relates to the technical field of protective films, in particular to a TPU protective film with oil stain resistance.

Background

The TPU is named as thermoplastic polyurethane elastomer rubber and mainly comprises polyester type and polyether type, and is a high polymer material between rubber and plastic. In recent years, polyurethane elastomers, i.e., TPU materials, have become widely recognized in China due to their excellent properties in various respects. The TPU material has the advantages of good mechanical strength, oil resistance, acid and alkali resistance, wear resistance, heat resistance and chemical resistance, the application range of the TPU material is continuously expanded, and particularly in the field of protective films, the market requirements on environmental protection are continuously improved, and the TPU material has the advantages of low V0C emission, recoverability and the like, so that the TPU material is more and more attracted by market attention as the protective film material.

The prior art has the following problems:

the existing TPU protective film is easy to leave fingerprints and greasy dirt when in use, is difficult to clean and has lower comfort level.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a TPU protective film with oil stain resistance, which solves the problems existing nowadays.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a TPU protection film with anti greasy dirt performance, includes the protection film main part, the protection film main part outside sets up the face membrane layer, face membrane layer bottom is provided with the use layer, the use layer bottom is provided with the basement membrane layer, the inside outside protective layer of face membrane layer, face membrane layer inboard is provided with the automatic coating of restoreing, the automatic coating bottom of restoreing is provided with soft TPU layer, soft TPU layer bottom is provided with OCA optical cement layer, basement membrane layer inside is provided with from the type membrane.

As a preferred technical scheme of the utility model, the AF fingerprint-proof coating is arranged on the outer side of the outer side protection layer, and the thickness of the outer side protection layer is 60 um.

As the preferred technical scheme of the utility model, the thickness of the automatic repair coating is 20-30 um.

As a preferable technical scheme of the utility model, the thickness of the soft TPU layer is 90-80 um, one side of the soft TPU layer is provided with a polarization layer, and the polarization layer is a 45-degree polarization sheet.

As a preferable technical scheme of the utility model, the thickness of the OCA optical adhesive layer is 25 um-30 um.

As a preferred technical scheme of the utility model, the thickness of the release film is 40-50 um.

Compared with the prior art, the utility model provides a TPU protective film with oil stain resistance, which has the following beneficial effects:

according to the TPU protective film with the oil stain resistance, the thickness of the protective layer on the outer side is 60 micrometers, the AF anti-fingerprint coating is a coating formed by combining an active silane group and a fluorine modified organic group, and a fluorine carbon group can provide very low surface tension/activity for the surface, so that water, oil and fingerprint resistance can be effectively achieved, and the use comfort is improved; the thickness of the automatic repairing coating is 20-30 um, and the protective film can be automatically repaired after being scratched; the thickness of the soft TPU layer is 90-80 um, one side of the soft TPU layer is provided with the polarization layer, the polarization layer is a 45-degree polarization sheet, the soft TPU layer improves the hand feeling and comfort of the device in use, and can be effectively attached to the curved surface of a mobile phone and prevent ultraviolet rays; the thickness of the OCA optical adhesive layer is 25-30 um, the clarity, high light transmittance (total light transmittance is more than 99%), high adhesion, high weather resistance, water resistance, high temperature resistance, ultraviolet resistance and controlled thickness, uniform spacing is provided, and the problems of yellowing, peeling and deterioration can not be caused after long-term use; the thickness of the release film is 40 um-50 um, which is the bottom layer of the protective film.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention.

In the figure: 1. a protective film body; 2. a mask layer; 3. a use layer; 4. a base film layer; 5. an outer protective layer; 501. AF anti-fingerprint coating; 6. automatically repairing the coating; 7. a soft TPU layer; 701. A polarizing layer; 8. an OCA optical adhesive layer; 9. and (4) a release film.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments 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 of the 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.

Referring to fig. 1-2, in this embodiment: the utility model provides a TPU protection film with anti greasy dirt performance, including protection film main part 1, protection film main part 1 outside sets up facial film layer 2, and facial film layer 2 bottom is provided with use layer 3, and use layer 3 bottom is provided with basement membrane layer 4, the inside outside protective layer 5 of facial film layer 2, and facial film layer 2 inboard is provided with automatic restoration coating 6, and automatic restoration coating 6 bottom is provided with soft TPU layer 7, and soft TPU layer 7 bottom is provided with OCA optical cement layer 8, and basement membrane layer 4 is inside to be provided with from type membrane 9.

In the embodiment, the AF anti-fingerprint coating 501 is arranged on the outer side of the outer side protection layer 5, the thickness of the outer side protection layer 5 is 60 micrometers, the AF anti-fingerprint coating 501 is a coating formed by combining an active silane group and a fluorine modified organic group, and a fluorine carbon group can provide very low surface tension/activity for the surface, so that water resistance, oil resistance and fingerprint resistance can be effectively achieved, and the use comfort is improved; the thickness of the automatic repair coating 6 is 20-30 um, and the automatic repair coating can be automatically repaired after the protective film is scratched; the thickness of the soft TPU layer 7 is 90-80 um, one side of the soft TPU layer 7 is provided with the polarization layer 701, and the polarization layer 701 is a 45-degree polarization sheet, so that the soft TPU layer 7 is arranged to improve the hand feeling and comfort of the device in use, can be effectively attached to a curved surface of a mobile phone, and is ultraviolet-proof; the thickness of the OCA optical adhesive layer 8 is 25-30 um, so that the clarity, high light transmittance (total light transmittance is more than 99%), high adhesive force, high weather resistance, water resistance, high temperature resistance, ultraviolet resistance and controlled thickness are set, uniform spacing is provided, and the problems of yellowing (yellowing), peeling and deterioration cannot be caused after long-time use; the thickness of the release film 9 is 40um to 50um, and thus, it is set as a bottom layer of the protective film.

The working principle and the using process of the utility model are as follows: when the anti-fingerprint mobile phone protective film is used, the protective film main body 1 is attached to the surface of a mobile phone, the AF anti-fingerprint coating 501 is arranged on the outer side of the outer side protective layer 5, the thickness of the outer side protective layer 5 is 60 micrometers, the AF anti-fingerprint coating 501 is a coating formed by combining an active silane group and a fluorine modified organic group, and a fluorine carbon group can provide very low surface tension/activity for the surface, so that water, oil and fingerprints can be effectively resisted, and the use comfort is improved; the thickness of the automatic repair coating 6 is 20-30 um, and the automatic repair coating can be automatically repaired after the protective film is scratched; the thickness of the soft TPU layer 7 is 90-80 um, one side of the soft TPU layer 7 is provided with a polarization layer 701, the polarization layer 701 is a 45-degree polarization sheet, the soft TPU layer 7 improves the hand feeling and comfort of the device in use, and can be effectively attached to a curved surface of a mobile phone and prevent ultraviolet rays; the thickness of the OCA optical adhesive layer 8 is 25-30 um, the clarity, high light transmittance (total light transmittance is more than 99%), high adhesion, high weather resistance, water resistance, high temperature resistance, ultraviolet resistance and controlled thickness, uniform spacing is provided, and the problems of yellowing (yellowing), peeling and deterioration can not be caused after long-term use; the thickness of the release film 9 is 40 um-50 um, which is the bottom layer of the protective film.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a TPU protection film with greasy dirt resistance ability, includes protection film main part (1), its characterized in that: protection film main part (1) outside sets up facial film layer (2), facial film layer (2) bottom is provided with use layer (3), use layer (3) bottom is provided with basement membrane layer (4), facial film layer (2) inside outside protective layer (5), facial film layer (2) inboard is provided with automatic repair coating (6), automatic repair coating (6) bottom is provided with soft TPU layer (7), soft TPU layer (7) bottom is provided with OCA optical cement layer (8), basement membrane layer (4) inside is provided with from type membrane (9).

2. The TPU protective film with oil stain resistance of claim 1, wherein: the outside protective layer (5) outside is provided with AF and prevents fingerprint coating (501), outside protective layer (5) thickness is 60 um.

3. The TPU protective film with oil stain resistance of claim 1, wherein: the thickness of the automatic repair coating (6) is 20 um-30 um.

4. The TPU protective film with oil stain resistance of claim 1, wherein: soft TPU layer (7) thickness is 90um ~ 80um, soft TPU layer (7) one side is provided with polarisation layer (701), polarisation layer (701) are 45 polarizing sheet.

5. The TPU protective film with oil stain resistance of claim 1, wherein: the thickness of OCA optical cement layer (8) is 25um ~ 30 um.

6. The TPU protective film with oil stain resistance of claim 1, wherein: the thickness of the release film (9) is 40 um-50 um.