Method for producing modified cellulose fiber dispersion

The light-irradiation-based decolorization method for modified cellulose fiber dispersions effectively addresses the challenges of insufficient decolorization and storage stability in existing methods, providing a more efficient and stable production process.

JP2026093742APending Publication Date: 2026-06-09KAO CORP
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
KAO CORP
Filing Date
2024-11-28
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing methods for producing modified cellulose fiber dispersions using reducing agents face issues such as insufficient decolorization and hydrogen generation, complicating the manufacturing process and affecting storage stability.

Method used

A novel method involving the decolorization of modified cellulose fiber dispersions through light irradiation, which selectively reacts with substances causing coloring, thereby improving decolorization efficiency.

Benefits of technology

The method enables easy decolorization of modified cellulose fiber dispersions, addressing the limitations of existing technologies and enhancing storage stability.

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Patent Text Reader

Abstract

The present invention relates to a novel method for producing a modified cellulose fiber dispersion that can be decolorized. Furthermore, the invention relates to a method for producing modified cellulose fibers using the modified cellulose fiber dispersion obtained by this method, and to modified cellulose fibers and modified cellulose fiber dispersions that can be obtained by these production methods. [Solution] A method for producing a modified cellulose fiber dispersion, comprising the step of decolorizing a mixture containing modified cellulose fibers and a dispersion medium by irradiating it with light.
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