High-refractive-index material based on biomass magnolol and magnolol

WO2025252160A1PCT designated stage Publication Date: 2025-12-11SHANGHAI INST OF ORGANIC CHEM CHINESE ACAD OF SCI
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Patent Information

Application Number
PCT/CN2025/099348
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-06-07
Filing Date
2025-06-05
Publication Date
2025-12-11

AI Technical Summary

Technical Problem

Existing high-refractive-index materials are difficult or costly to synthesize, and it is difficult to balance the refractive index and Abbe number, which cannot meet the needs of most applications.

Method used

Optical resin materials with high refractive index and high Abbe number were prepared by copolymerizing magnolol/hognolol monomers with thiol/thiophenol monomers and then curing them via photocuring.

Benefits of technology

A balance between high refractive index (1.67–1.71) and high Abbe number (35–40) is achieved. The material is simple and efficient to synthesize and is suitable for a variety of optical devices.

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Patent Text Reader

Abstract

The present invention relates to a high-refractive-index material based on biomass magnolol and magnolol. Specifically, the high-refractive-index material of the present invention can be obtained by subjecting a photocurable monomer and various mercaptans / thiophenols to a photocuring reaction under photoinitiation, wherein the curable monomer is derived from a monomer, which contains an allyl functional group, derived from biomass magnolol and magnolol. The high-refractive-index material provided in the present invention has good optical performance, especially, not only has a high refractive index (1.67-1.71), but also has a relatively high Abbe number (35-24).
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Citation Information

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