Porous low-opacity paper

A low-opacity paper made from unrefined cellulose fibers and bio-based coatings addresses the need for sustainable, biodegradable materials by eliminating petroleum-based components and supercalendering, achieving high transparency and adjustable porosity for diverse applications.

JP2026519154APending Publication Date: 2026-06-11NEENAH GESSNER GMBH +1
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
NEENAH GESSNER GMBH
Filing Date
2024-05-29
Publication Date
2026-06-11

AI Technical Summary

⚠Technical Problem

Existing transparent or translucent materials, particularly packaging materials, are often made from non-renewable fossil resources and petroleum-based chemicals, are not biodegradable, and lack control over porosity, requiring energy-intensive supercalendering processes.

⚗Method used

A low-opacity paper is developed using a fiber web composed of unrefined cellulose fibers and coated with bio-based waxes or oils, eliminating the need for petroleum-based components and supercalendering, while allowing control over porosity and permeability.

🎯Benefits of technology

The paper is biodegradable, compostable, and has high transparency and mechanical strength, with adjustable porosity and permeability, suitable for various applications including packaging.

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Abstract

Low opacity paper is disclosed. Low opacity paper is made from a fiber web containing unrefined cellulose fibers. The fiber web is coated with a bio-based wax such as coconut-based, palm-based, and soy-based wax. The resulting product may have relatively low opacity. Therefore, the product may have excellent transparency or translucency characteristics.
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