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A kind of curved surface protective film with multifunctional layer and preparation method thereof

A protective film, multi-functional technology, applied in coatings, biocide-containing paints, film/flake adhesives, etc., can solve problems such as affecting the bonding effect, and achieve the effect of increasing the buffer capacity

Active Publication Date: 2020-06-19
NALI OPTICAL MATERIAL DONGGUAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There is no big difference in the overall structure of the protective film on the market that can be attached to arc edges or curved surfaces and the conventional three-layer protective film, but compared with the curved surface protective film, the thickness of the UV hardened layer and the silicone layer will affect the bonding effect, so The appropriate thickness must be selected to enhance scratch resistance, save production costs and get a better fit

Method used

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  • A kind of curved surface protective film with multifunctional layer and preparation method thereof
  • A kind of curved surface protective film with multifunctional layer and preparation method thereof
  • A kind of curved surface protective film with multifunctional layer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] S1: Use an anilox roller to coat the first substrate 11 (PET) with a thickness of 90 μm, apply anti-fingerprint and anti-fouling UV glue (UV hardening layer 21), and dry it in a 90°C oven with a UV lamp energy of 300-550mj / cm 2 After curing, the coating thickness is 3 μm. The raw material components and weight ratio of the UV hardening layer 21 (with anti-fingerprint and anti-pollution functional layer) are:

[0070]

[0071] Use a Zebra brand oil-based pen to draw a straight line on the UV surface (UV hardening layer 21) of the film. It can be detected from the straight line of the pen and ink to the discontinuity phenomenon. It has the function of hydrophobic, oleophobic and anti-fouling. The better the anti-fouling performance.

[0072] S2: Use a comma-type scraper to coat another 85 μm-thick second substrate 13 (PET) with a silicone pressure-sensitive adhesive and an anti-blue light agent in a ratio of 100 parts: 9 parts, and the coating thickness is 25 μm. Aft...

Embodiment 2

[0078] S1: Use an anilox roller to coat the first substrate 11 (PET) with a thickness of 100 μm, apply anti-fingerprint and anti-fouling UV glue (UV hardening layer 21), and dry it in a 90°C oven with a UV lamp energy of 300-550mj / cm 2 After curing, the coating thickness is 4 μm. Wherein the raw material composition and weight ratio of the UV curable layer 21 (with anti-fingerprint and anti-pollution functional layer) are:

[0079]

[0080]

[0081] Use a Zebra brand oil-based pen to draw a straight line on the 21st surface of the UV hardened layer of the film. It can be detected from the straight line of the pen and ink to the discontinuity phenomenon. the better.

[0082] S2: Coat another 75 μm thick second substrate 13 (PET) with a silicone pressure-sensitive adhesive with a thickness of 30 μm by using a comma-type scraper, and cure in an oven at 180° C. to obtain a silicone layer 24 . The silicone pressure-sensitive adhesive is a kind of silicone with a relatively ...

Embodiment 3

[0088] S1: Use an anilox roller to coat the first substrate 11 (PET) with a thickness of 100 μm, apply anti-fingerprint and anti-fouling UV glue (UV hardening layer 21), and dry it in a 90°C oven with a UV lamp energy of 300-550mj / cm 2 After curing, the coating thickness is 4-6 μm.

[0089] The raw material components and weight ratio of the UV curable layer 21 (coating liquid with anti-fingerprint and anti-fouling functions) are:

[0090]

[0091] Use a Zebra brand oil-based pen to draw a straight line on the UV surface (UV hardening layer 21) of the film. It can be detected from the straight line of the pen and ink to the discontinuity phenomenon. It has the function of hydrophobic, oleophobic and anti-fouling. The better the anti-fouling performance.

[0092] S2: Coat another 90 μm thick second substrate 13 (PET) with a silicone pressure-sensitive adhesive with a thickness of 25 μm using a comma-type scraper, and cure in an oven at 180° C. to obtain a silicone layer 24 ...

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Abstract

The invention discloses a cambered protective film with multiple functional layers and a preparation method of the cambered protective film. The cambered protective film has stain-resistant and fingerprint resistant effects, and is high in cleanliness. A UV hardened layer is arranged on a first substrate, a film protecting layer is arranged on the UV hardened layer, a silicone layer is arranged on the lower portion of a second substrate, a fluoride-containing release liner is arranged on the lower portion of the silicone layer, a high-tack adhesive layer is arranged on the second substrate, and the high-tack adhesive layer is attached to the other side, away from the UV hardened layer, of the first substrate. The cambered protective film has a blue light resisting effect so as to care the eyes; double-layer PET is used so as to increase the thickness of a using layer, and accordingly, the buffer capacity is improved.

Description

technical field [0001] The invention belongs to the field of protective film manufacturing, and in particular relates to the field of fully pasted protective film protection for a display screen with arc edges or curved surfaces. Background technique [0002] There is no big difference in the overall structure of the protective film on the market that can be attached to arc edges or curved surfaces and the conventional three-layer protective film, but compared with the curved surface protective film, the thickness of the UV hardened layer and the silicone layer will affect the bonding effect, so It is necessary to choose the appropriate thickness to enhance scratch resistance, save production cost and get better lamination effect. [0003] This technology provides a curved protective film with anti-fouling, anti-fingerprint, and anti-blue light multifunctional layers. It is large and different in structure, which can solve the problem of wear resistance and obtain a multifun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J7/29C09J7/30C09J183/04C09J11/06C09D163/10C09D175/14C09D167/06C09D5/16C09D7/63C09D7/65C08J7/046C09J133/08C08L67/02
CPCC08J7/0427C08J2367/02C08L2203/16C08L2205/02C08L2205/03C09D5/1637C09D5/1687C09D163/10C09D167/06C09D175/14C09J7/29C09J11/06C09J133/08C09J183/04C09J2301/122C09J2301/162C09J2301/30C09J2301/302C09J2301/408C09J2467/006C08L23/0892C08L23/28
Inventor 林凯
Owner NALI OPTICAL MATERIAL DONGGUAN
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