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A kind of mist film and its preparation method and haze adjustment method

An adjustment method and technology of fog mask, applied in the field of optical film, can solve the problems of poor adhesion, unadjustable haze of fog mask, high surface roughness of finished product, and achieve good stability, high roughness and adhesion improvement, repeatability. good effect

Active Publication Date: 2021-08-10
ZHANGJIAGANG KANGDE XIN OPTRONICS MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The first purpose of the present invention is to provide a fog film to solve the technical problems that the haze of the fog film in the prior art cannot be adjusted, and the surface roughness of the finished product is too high and the adhesion is poor

Method used

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  • A kind of mist film and its preparation method and haze adjustment method
  • A kind of mist film and its preparation method and haze adjustment method
  • A kind of mist film and its preparation method and haze adjustment method

Examples

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Comparison scheme
Effect test

Embodiment 1

[0052] The matte film described in this embodiment includes a non-matte layer 1 , a matte layer 2 and a substrate layer 3 from top to bottom. The thickness of the non-matte layer 1 is 8 μm, the thickness of the matte layer 2 is 15 μm, and the thickness of the substrate layer 3 is 125 μm.

[0053] The refractive index of the non-matte layer 1 is 1.47. The non-matte layer 1 is formed by photocuring polyurethane acrylic resin (manufacturer: Zhangjiagang Kangdexin resin, model: PD series). The haze of the non-matte layer 1 is 2-3%.

[0054] The matte layer 2 is composed of 100 parts by weight of acrylic resin (manufacturer: Zhangjiagang Kangdexin, model: DBD series), polymethyl methacrylate particles (manufacturer: Sekisui Chemical Industry Co., Ltd., Model: EXM series) 30 parts, dispersant (manufacturer: German BYK Chemicals, model: BYK series) 0.3 parts, ethyl acetate 200 parts and solidified. The particle diameter of the polymethyl methacrylate particles is 5-10 μm, and its ...

Embodiment 2

[0061] The matte film described in this embodiment includes a non-matte layer 1 , a matte layer 2 and a substrate layer 3 from top to bottom. The thickness of the non-matte layer 1 is 8 μm, the thickness of the matte layer 2 is 15 μm, and the thickness of the substrate layer 3 is 125 μm.

[0062] The refractive index of the non-matte layer 1 is 1.47. The non-matte layer 1 is formed by photocuring polyurethane acrylic resin (manufacturer: Zhangjiagang Kangdexin resin, model: PD series). The haze of the non-matte layer 1 is 2-3%.

[0063] The matte layer 2 consists of 100 parts by weight of acrylic resin (KDX model: DBD series), 30 parts of polybutylmethacrylate particles (manufacturer: Soken Chemical Co., Ltd., model: KSR series), Dispersant (manufacturer: German BYK Chemicals, model: BYK series) 0.3 parts, 200 parts of ethyl acetate solidified. The particle size of the polybutyl methacrylate particles is 5-10 μm, and its refractive index is 1.59. The haze of the matte laye...

Embodiment 3

[0070] The matte film described in this embodiment includes a non-matte layer 1 , a matte layer 2 and a substrate layer 3 from top to bottom. The thickness of the non-matte layer 1 is 8 μm, the thickness of the matte layer 2 is 15 μm, and the thickness of the substrate layer 3 is 125 μm.

[0071] The refractive index of the non-matte layer 1 is 1.47. The non-matte layer 1 is formed by photocuring polyurethane acrylic resin (manufacturer: Zhangjiagang Kangdexin resin, model: PD series). The haze of the non-matte layer 1 is 2-3%.

[0072] The matte layer 2 is composed of 100 parts by weight of acrylic resin (manufacturer: Zhangjiagang Kangdexin, model: DBD series), 30 parts of polyurethane particles (manufacturer: Negami Chemical, model: C series), dispersed Agent (manufacturer: German BYK, model: BYK series) 0.3 parts, 200 parts of ethyl acetate solidified. The particle size of the PU particles is 5-10 μm, and its refractive index is 1.49. The haze of the matte layer 2 is 7...

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Abstract

The present invention relates to the technical field of optical films, in particular to a fog film, a preparation method thereof and a method for adjusting haze. The fog film comprises a non-fog layer, a fog layer and a substrate layer sequentially from top to bottom. The matte layer includes resin and organic particles. The preparation method includes coating mixed resin and organic particles on the surface of the base material layer and curing to form a matte layer, embossing a UV resin mold on the surface of the matte layer and curing to form a non-matte layer to obtain the matte film. The matte film of the present invention is provided with two layers of a matte layer and a non-matte layer, the organic particles in the matte layer can adjust the haze of the matte layer, and the non-matte layer is arranged on the matte layer, which can effectively adjust the haze of the matte layer. The surface roughness of the finished matte film; the mutual adjustment and matching of the refractive index of the matte layer and the non-matte layer can further adjust the haze of the finished matte film, and the haze can be obtained between 20%-85%, and the surface roughness Mist mask between 0.1‑0.15.

Description

technical field [0001] The invention relates to the technical field of optical films, in particular to a fog film, a preparation method thereof, and a haze adjustment method. Background technique [0002] With the development of display technology, in order to meet the actual needs, researchers have developed various optical films. As a kind of optical film, the fog film can adjust the light transmittance according to the actual product demand. [0003] In the prior art, the production method of the fog film is to add particles to the resin to obtain the required haze. When a higher haze is required, a large amount of added particles will affect the surface roughness of the finished product. As the amount of particles added increases, the roughness of the finished product surface increases sharply. [0004] However, when the surface roughness of the finished product is too high, the bonding force with the surface of the object to be pasted becomes poor, the adhesion is red...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J7/04C08L67/02G02B5/02
CPCC08J7/042C08J2367/02C08J2433/00C08J2433/12C08J2475/14G02B5/0242G02B5/0268
Inventor 沈巍
Owner ZHANGJIAGANG KANGDE XIN OPTRONICS MATERIAL
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