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Surface-protecting film

A surface protection film and pressure-sensitive adhesive technology, applied in the direction of pressure-sensitive film/sheet, film/sheet-shaped adhesive, adhesive type, etc., can solve the problem of plasticizer pollution of the adherend

Inactive Publication Date: 2014-01-01
NITTO DENKO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, when using a pressure-sensitive adhesive layer added with a plasticizer, the adherend may be contaminated with the plasticizer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0114] 100 parts by weight of "X-40-3229" (solid content 60%, manufactured by Shin-Etsu Chemical Co., Ltd.) as a polysiloxane pressure-sensitive adhesive, 0.5 parts by weight of "CAT-PL-50T" as a platinum catalyst " (manufactured by Shin-Etsu Chemical Co., Ltd.) and 300 parts by weight of toluene as a solvent were mixed, and the mixture was stirred by a disperser to manufacture a polysiloxane-based pressure-sensitive adhesive composition.

[0115] Using a dipping roller, apply the obtained polysiloxane-based pressure-sensitive adhesive composition to a substrate made of polyester resin "Lumirror S10" (thickness 38 μm, manufactured by Toray Co., Ltd.) so that the thickness after drying is 21 μm. ), and then cured and dried at a drying temperature of 150°C and a drying time of 1 minute.

[0116] Next, the silicone-treated surface of a substrate formed of a polyester resin having one surface treated with fluorinated silicone and having a thickness of 25 μm was bonded to the surfa...

Embodiment 2

[0119] 90 parts by weight of "X-40-3229" (solid content 60%, manufactured by Shin-Etsu Chemical Co., Ltd.) and 10 parts by weight of "KR-3700" (solid content 60% , Shin-Etsu Chemical Co., Ltd.), 0.5 parts by weight of "CAT-PL-50T" (manufactured by Shin-Etsu Chemical Co., Ltd.) as a platinum catalyst, and 300 parts by weight of toluene as a solvent were mixed, and then the mixture was mixed by a disperser. Stirring was performed to manufacture a silicone-based pressure-sensitive adhesive composition.

[0120] Using a dipping roller, apply the obtained polysiloxane-based pressure-sensitive adhesive composition to a substrate made of polyester resin "Lumirror S10" (thickness 38 μm, manufactured by Toray Co., Ltd.) so that the thickness after drying is 21 μm. ), and then cured and dried at a drying temperature of 150°C and a drying time of 1 minute.

[0121] Next, the silicone-treated surface of a substrate formed of a polyester resin having one surface treated with fluorinated s...

Embodiment 3

[0124] 80 parts by weight of "X-40-3229" (solid content 60%, manufactured by Shin-Etsu Chemical Co., Ltd.) and 20 parts by weight of "KR-3700" (solid content 60% , Shin-Etsu Chemical Co., Ltd.), 0.5 parts by weight of "CAT-PL-50T" (manufactured by Shin-Etsu Chemical Co., Ltd.) as a platinum catalyst, and 300 parts by weight of toluene as a solvent were mixed, and then the mixture was mixed by a disperser. Stirring was performed to manufacture a silicone-based pressure-sensitive adhesive composition.

[0125] Using a dipping roller, apply the obtained polysiloxane-based pressure-sensitive adhesive composition to a substrate made of polyester resin "Lumirror S10" (thickness 38 μm, manufactured by Toray Co., Ltd.) so that the thickness after drying is 21 μm. ), and then cured and dried at a drying temperature of 150°C and a drying time of 1 minute.

[0126] Next, the silicone-treated surface of a substrate formed of a polyester resin having one surface treated with fluorinated s...

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Abstract

Provided is a novel surface-protecting film that exhibits excellent reworkability and, even without the use of a plasticizer, exhibits sufficiently high wettability. This surface-protecting film has a base layer and a pressure-sensitive adhesive layer, and the surface of said pressure-sensitive adhesive layer that contacts an adherend exhibits an initial wetting rate of at least 5.0 cm2 / s with respect to an acrylic sheet.

Description

technical field [0001] The invention relates to a surface protection film. The surface protective film of the present invention has a base material layer and a pressure-sensitive adhesive layer, and is used in applications such as protecting the surface of a display member, image recognition member, or electronic device by attaching the film to the surface. Background technique [0002] The surface protective film can be attached to a display member such as LCD or organic EL, or a touch panel using LCD or organic EL, an image recognition member of a camera such as a lens part, or the surface of an electronic device to prevent damage, stains, etc. on the surface. [0003] Such a surface protective film may be manually applied in a manufacturing step such as assembly or at the time of shipment of an in-process product. When attaching the surface protection film by hand, air bubbles may be trapped between the adherend and the surface protection film. [0004] As a technique f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/02C09J201/00C09J175/08C09J183/00C09J7/38
CPCC09J175/04C08G2170/40C09J2483/00C09J7/0217C09J2203/318C09J7/0207C09J2201/622C09J183/06C09J2475/00B32B7/12B32B27/08B32B27/20B32B27/283B32B27/32B32B27/36B32B2264/102B32B2307/4026B32B2307/71B32B2457/20B32B2457/202B32B2457/208C09J7/38Y10T428/2852Y10T428/2891Y10T428/31663Y10T428/31797C09J2301/312G02F1/133311C09J7/22C09J175/08C09J183/00C09J201/00
Inventor 徐创矢
Owner NITTO DENKO CORP