Process for the preparation of a transparent wood with high dimensional stability and resistance to strong bases

By using lignin-modified solution treatment and resin impregnation processes, the problems of poor mechanical strength and ductility of transparent wood were solved, achieving high dimensional stability and improved transparency in harsh environments.

CN112809865BActive Publication Date: 2026-07-21CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
Filing Date
2021-01-20
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing transparent wood has poor mechanical strength and ductility, and its dimensional stability is poor in harsh environments, which limits its application range.

Method used

Transparent wood with high dimensional stability and resistance to strong alkalis was prepared by treating wood with lignin-modified solution, combined with dehydration and resin impregnation processes.

Benefits of technology

The prepared transparent wood exhibits high dimensional stability and mechanical properties under strong alkaline conditions, with improved transparency, ductility, and tensile strength.

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Abstract

The application discloses a preparation method of transparent wood with high alkali resistance and high dimensional stability, and relates to a preparation method of transparent wood. The application aims at solving the problem of poor ductility of the existing delignified transparent wood, and the prior art does not explore the dimensional stability of the transparent wood in a harsh environment. The preparation method comprises the following steps: one, discoloring treatment; two, dehydration treatment; and three, resin impregnation. The application is used for preparing the transparent wood with high alkali resistance and high dimensional stability.
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