20240043640. MULTILAYER FILM AND METHOD FOR PRODUCING SAME simplified abstract (Toray Industries, Inc.)

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MULTILAYER FILM AND METHOD FOR PRODUCING SAME

Organization Name

Toray Industries, Inc.

Inventor(s)

Yuta Nakanishi of Otsu-shi, Shiga (JP)

Keiko Sawamoto of Otsu-shi, Shiga (JP)

Kazuyoshi Ota of Otsu-shi, Shiga (JP)

Tadahiko Iwaya of Otsu-shi, Shiga (JP)

Teruya Tanaka of Otsu-shi, Shiga (JP)

MULTILAYER FILM AND METHOD FOR PRODUCING SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240043640 titled 'MULTILAYER FILM AND METHOD FOR PRODUCING SAME

Simplified Explanation

The patent application describes a laminated film that includes a resin layer on at least one side of a resin base film. The resin layer is present on at least one surface of the film and has specific properties at the carbon k absorption edge.

  • The x-ray absorption near edge structure (XANES) spectrum at the carbon k absorption edge at the resin layer surface satisfies a specific condition.
  • The spectral intensity at 293.5 ev obtained by the partial electron yield method is defined as i(θ).
  • The laminated film is intended to be used as a release film in applications where it is coated with a coating liquid, dried, solidified, and then peeled off.

Potential applications of this technology:

  • Release film in coating applications where the film is coated with a coating liquid and then peeled off after drying and solidification.

Problems solved by this technology:

  • The laminated film shows excellent applicability and peeling properties.
  • The surface layer of the film does not delaminate even after a heating process.

Benefits of this technology:

  • Improved applicability and peeling properties of the laminated film.
  • Enhanced stability of the surface layer, even under heating conditions.


Original Abstract Submitted

a laminated film including a resin layer on at least one side of a resin base film, the resin layer being present at least one surface, wherein the x-ray absorption near edge structure (xanes) spectrum at the carbon k absorption edge at the resin layer surface satisfies i(15�)−i(90�)≥0.1 when the angle formed between the incident x-ray and the resin layer surface is defined as �, and the spectral intensity at 293.5 ev obtained by the partial electron yield method is defined as i(�). provided is a laminated film as a release film to be used in an application that is carried out by coating the film with a coating liquid including a solvent, drying and solidifying the coating liquid, and then peeling off the solidified coating, which laminated film shows excellent applicability and an excellent peeling property, and does not show delamination of the surface layer even after a heating process.

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