Patent ID: 11898011
Assignee: DUPONT ELECTRONICS, INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 5:
6. A polyimide having a repeat unit structure of Formula VI or Formula IX, where:
Ra1 is the same or different at each occurrence and represents one or more tetracarboxylic acid component residues; and
Ra2 is the same or different at each occurrence and represents one or more tetracarboxylic acid component residues;
Rb1 is the same or different at each occurrence and represents one or more aromatic diamine residues; and
Rb2 is the same or different at each occurrence and represents one or more aromatic diamine residues;

wherein 0.001-100 mol % of Rb1 is a diamine residue from one or more diamines having Formula IV according to claim 2; and
wherein 0.001-100 mol % of Rb2 is a diamine residue from one or more diamines having Formula VII according to claim 2.