20240026189. BIAXIALLY ORIENTED POLYESTER RELEASE LINER, ADHESIVE BACKED ARTICLE ASSEMBLY AND METHOD OF MAKING SAME simplified abstract (Unknown Organization)

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BIAXIALLY ORIENTED POLYESTER RELEASE LINER, ADHESIVE BACKED ARTICLE ASSEMBLY AND METHOD OF MAKING SAME

Organization Name

Unknown Organization

Inventor(s)

Pankaj Bhatt of Khatima (IN)

BIAXIALLY ORIENTED POLYESTER RELEASE LINER, ADHESIVE BACKED ARTICLE ASSEMBLY AND METHOD OF MAKING SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240026189 titled 'BIAXIALLY ORIENTED POLYESTER RELEASE LINER, ADHESIVE BACKED ARTICLE ASSEMBLY AND METHOD OF MAKING SAME

Simplified Explanation

The present invention is about a method of making a micro-textured release liner using a biaxially oriented polyester film. The release liner has a base and a micro-texture support layer. The process involves applying a release coating and then using an offline micro-texturing process to create a micro-textured surface on the film. The release liner is then backed with a pressure-sensitive adhesive assembly.

  • The invention involves making a micro-textured release liner using a biaxially oriented polyester film.
  • The release liner has a base and a micro-texture support layer.
  • The process includes applying a release coating and using an offline micro-texturing process to create a micro-textured surface on the film.
  • The release liner is backed with a pressure-sensitive adhesive assembly.

Potential applications of this technology:

  • This technology can be used in the manufacturing of adhesive products, such as tapes and labels.
  • It can also be used in industries where a smooth release surface is required, such as in the production of medical devices or electronic components.

Problems solved by this technology:

  • The micro-textured surface of the release liner allows for better fluid egress, preventing the buildup of air or liquid behind the bonded article.
  • The release liner provides a smooth and controlled release, reducing the risk of damage to the bonded article during removal.

Benefits of this technology:

  • The micro-textured surface of the release liner improves the performance of adhesive products by allowing for better fluid egress.
  • The controlled release provided by the release liner reduces the risk of damage to the bonded article, ensuring a high-quality end product.


Original Abstract Submitted

the present invention relates to making of a micro textured release liner having a base and micro texture support layer of biaxially oriented polyester film, having at least one side surface suitable for micro texturing followed by an inline or offline release coating and an offline micro texturing process. a micro textured biaxially oriented polyester film release liner is backed with a pressure sensitive adhesive assembly. the micro textured biaxially oriented polyester release liner having at least a release side over to a micro textured layer, a backside, and release coated side surface having a micro texture formed in to the coextruded and biaxially oriented layer of polyester film. a release material is on the micro textured surface of the polyester release liner. the polyester release liner comprises at least a coextruded layer suitable for micro texturing by application of heat and pressure and a micro textured hard surface tool. the micro textured pattern formed on coextruded layer of polyester release liner is designed so as to form fluid egress channels in the pressure sensitive backed assembly. the fluid egress channels define a micro textured surface having exit path ways for fluid to egress out from behind the article when the micro textured surface bonded with pressure sensitive adhesive assembly.

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