Optical resin, preparation method therefor, and use thereof
By introducing polyamide-imide resins with repeating units of Formula I, Formula II, and Formula III, and utilizing hydrogen bonding and a reasonable ratio, the problems of transmittance and thermo-optic coefficient of optical resins in the communication band were solved, enabling the production of low-cost, high-performance optical lenses.
WO2026077010A9PCT designated stage Publication Date: 2026-07-09HUAWEI TECH CO LTD
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- HUAWEI TECH CO LTD
- Filing Date
- 2025-06-26
- Publication Date
- 2026-07-09
AI Technical Summary
Technical Problem
Existing optical resins have poor optical transmittance in the communication band, high thermo-optical coefficients, and require improved melt processing performance, leading to increased production costs and unstable lens performance.
Method used
Polyamide-imide resin containing repeating units of Formula I, Formula II, and Formula III is used to reduce the thermo-optic coefficient and improve optical transmittance and melt processing performance through intermolecular hydrogen bonding and reasonable formulation.
Benefits of technology
It achieves good optical transmittance at 1550nm and low thermo-optical coefficient, meeting the requirements of injection molding, reducing production costs and improving the thermal stability and processing performance of the lens.
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Smart Images
Figure CN2025103763_09072026_PF_FP_ABST
Abstract
The present application relates to the technical field of resins, and in particular to an optical resin, a preparation method therefor, and use thereof. The optical resin is a polyamide-imide resin containing at least two of repeating units represented by formula I, formula II, and formula III, wherein R1, R2, R3, R4, and R5 are each independently selected from one of aryl and substituted aryl. According to the optical resin of the present application, by means of introducing the repeating units represented by formula I, formula II, and formula III and an amide bond, the interaction of hydrogen bonds between molecules is used to make the optical resin polymer have a relatively low thermo-optic coefficient. In addition, by means of the reasonable proportioning and combined action of different repeating unit chain segments, the optical resin has good optical properties, good optical transmittance at 1550 nm, and melt processing performance, which can meet injection molding processing requirements.
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