Floor covering and underlayment.

The underlayment solution for floor coverings, using non-woven polypropylene fibers and glass reinforcement, addresses curling and recyclability issues by enhancing stability and facilitating easy recycling through materials with lower melting points.

WO2026126007A1 Publication Date: 2026-06-18UNILIN BVBA
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
UNILIN BVBA
Filing Date
2025-12-01
Publication Date
2026-06-18

AI Technical Summary

⚠Technical Problem

Existing floor coverings, particularly those with plastic floor elements glued to an underlayment, suffer from dimensional deformation issues such as curling and are difficult to recycle due to the materials used.

⚗Method used

An underlayment composed of a non-woven textile made from polypropylene or polyethylene fibers with specific melting temperatures, combined with reinforcement fibers like glass fibers, and an adhesive layer to facilitate easy recycling and reduce deformation.

🎯Benefits of technology

The solution enhances dimensional stability, facilitates recycling, and minimizes curling by using materials with lower melting points, allowing for efficient shredding and melting during recycling processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

Floor covering comprising an underlayment basic layer (8), at least one floor element (3) and an adhesive layer (4), wherein said adhesive layer (4) is positioned in between said underlayment basic layer (8) and said floor element (3). Said underlayment basic layer is a non-woven textile of polypropylene fibers having a density of 180 to 350 gr / m².
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