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US 10,246,556 B2Granted
Polyimide polymer and polyimide film
AssigneeTAIFLEX Scientific Co., Ltd.
InventorsChing-Hung Huang, Kuang-Ting Hsueh, Chiu-Feng Chen, Yi-Kai Fang, Chun-Cheng Wan
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Abstract
A polyimide polymer is provided. The polyimide polymer includes a repeating unit represented by formula 1. In formula 1, Ar is a tetravalent organic group derived from a tetracarboxylic dianhydride containing an aliphatic structure, and A includes and at least one divalent organic group derived from an aromatic group-containing diamine other than
Claims8
A polyimide polymer, comprising a repeating unit represented by formula 1:
- wherein Ar is a tetravalent organic group derived from a tetracarboxylic dianhydride containing an aliphatic structure;
- and
- A comprises
- and at least one divalent organic group derived from an aromatic group-containing diamine other than
1 more element
Dependencies are inferred from the claim text.