Polyimide resins, compositions, polyimide films, optical materials, cladding materials and optical waveguides for low refractive index materials; and polyamides and compositions for low refractive index materials.

TW202631812APending Publication Date: 2026-08-01DAIKIN INDUSTRIES LTD +1
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Patent Information

Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-10-22
Publication Date
2026-08-01

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Abstract

The present invention relates to a polyimide resin for use as a low refractive index material, which is composed of an acid anhydride and a diamine, wherein the acid anhydride is one or more selected from the group consisting of compounds represented by general formula (A-1a) and general formula (A-1b), and the diamine is one or more selected from the group consisting of compounds represented by general formula (B-1) and general formula (B-2). none
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