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Protective film for surfaces with various roughness

A roughness and protective film technology, applied in the direction of film/sheet adhesive, adhesive type, polyurea/polyurethane adhesive, etc., can solve problems such as unstable viscosity, achieve stable peel strength, improve The effect of stability and excellent adhesive performance

Active Publication Date: 2020-04-03
SUZHOU TAILUN ELECTRONIC MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the influence of the surface with different roughness, the protective film generally has unstable viscosity. Therefore, how to improve the viscosity stability of the protective film on the surface with different roughness has become the focus and difficulty of current research.

Method used

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  • Protective film for surfaces with various roughness
  • Protective film for surfaces with various roughness
  • Protective film for surfaces with various roughness

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A protective film for surfaces with various roughnesses in this embodiment includes a substrate layer and an adhesive layer disposed on the substrate layer, wherein the adhesive layer includes the following components by weight:

[0022]

[0023] Wherein, the inorganic filler is attapulgite powder, and the organic solvent is acetone.

[0024] Wherein, the pressure-sensitive adhesive comprises the following components in parts by weight:

[0025]

[0026] Wherein, the softener is polystyrene, and the antioxidant is diphenylamine.

[0027] Wherein, the silicone modified polyester resin comprises the following components in parts by weight:

[0028]

[0029] Wherein, the preparation of the organosilicon-modified polyester resin comprises the following steps: uniformly mix organosilicon, polyester resin, silanol and catalyst, heat up to 150° C., add graphene powder and titanium dioxide, and stir at 600 r / min for 1.2 h, cooling down to normal temperature, adding a...

Embodiment 2

[0033] The difference between this embodiment and the first embodiment is that the inorganic filler is superfine calcium carbonate, and the rest are the same as the first embodiment.

Embodiment 3

[0035] The difference between this embodiment and the first embodiment is that the organic solvent is methyl acetate, and the rest are the same as the first embodiment.

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Abstract

The invention discloses a protective film for surfaces with various roughness degrees. The protective film comprises a base material layer and an adhesive layer arranged on the base material layer, and the adhesive layer comprises the following components in parts by weight: 100 parts of polyurethane resin, 40 to 50 parts of organic silicon modified polyester resin, 3-5 parts of an inorganic filler, 120 to 130 parts of an organic solvent, 1-2 parts of a pressure-sensitive adhesive, and 0.2-0.6 part of dispersing agent. By improving the formula of the adhesive layer, the viscosity stability ofthe adhesive layer is improved, so that the adhesive layer has stable and excellent viscosity on surfaces with different roughness.

Description

technical field [0001] The invention relates to a protective film, in particular to a protective film for surfaces with various roughnesses. Background technique [0002] Protective film is a film-like material that is pasted on the surface of different films and has a protective function for other materials. It is widely used in mechanical equipment, instruments, electronics, home appliances, plastic sheets, glass, and automobile manufacturing to protect the outer surface of materials from pollution. and damage. The protective film in the prior art is mainly composed of a base material layer, an adhesive layer and a release film. However, due to the influence of the surface with different roughness, the protective film generally has unstable viscosity. Therefore, how to improve the viscosity stability of the protective film on the surface with different roughness has become the focus and difficulty of current research. Contents of the invention [0003] The technical pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/30C09J7/25C09J175/04C09J167/00C09J153/02C09J161/06C09J11/04C09J11/08
CPCC09J7/30C09J7/255C09J175/04C09J11/08C09J11/04C08K2003/2241C09J2467/006C08K2003/265C09J2301/122C08L67/00C08L53/02C08L61/06C08K13/02C08K3/042C08K3/22C08K3/346C08K3/26
Inventor 叶爱磊王磊戴玮洁韩仲友谈纪金
Owner SUZHOU TAILUN ELECTRONIC MATERIALS CO LTD
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