Mondi has been granted a patent for a release liner with a unique surface structure. The liner includes a carrier substrate, thermoplastic polymer layer, and release layer with a network of ridges and pits. The surface roughness enhances performance. GlobalData’s report on Mondi gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Mondi, was a key innovation area identified from patents. Mondi's grant share as of February 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.
Patent granted for release liner with specific surface roughness
A recently granted patent (Publication Number: US11879081B2) discloses a unique release liner design for adhesive articles. The release liner comprises a carrier substrate, a thermoplastic polymer layer, and a release layer with a network of ridges that create elevations on the surface. The surface on the release layer side features a roughness with a specific number of pits per area, determined using a confocal 3D laser scanning microscope. The pits are stochastically distributed between the ridges, enhancing the functionality of the release liner.
Furthermore, the patent details a process for producing the innovative release liner. This process involves forming a network of channels and roughening the surface of a roll to create peaks, embossing the thermoplastic polymer layer and release layer with the roughened roll to generate ridges and pits, and applying the release layer to obtain the final release liner. The roughening step can be performed using a jet of blasting material, ensuring the desired surface characteristics are achieved. This patented technology aims to improve the performance and efficiency of adhesive articles, offering a novel solution for decorating objects with precision and ease.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
