Dupont Electronics, Inc.

Brian C Auman

Michael Henry Howard, Jr

Nora Sabina Radu

John Donald Summers

Greg A Hostetler

Chai Kit Ngai

Disclosed is a polyimide having a repeat unit structure of Formula III In Formula III: Rrepresents one or more different tetracarboxylic acid component residues; and Rrepresents one or more different aromatic diamine residues or aromatic diisocyanate residues. 5-100 mol % of Rhas Formula II In Formula II: Ris H, halogen, cyano, hydroxyl, alkyl, heteroalkyl, alkoxy, heteroalkoxy, fluoroalkyl, silyl, hydrocarbon aryl, substituted hydrocarbon aryl, heteroaryl, substituted heteroaryl, ally, or vinyl; Ris halogen, cyano, hydroxyl, alkyl, heteroalkyl, alkoxy, heteroalkoxy, fluoroalkyl, silyl, hydrocarbon aryl, substituted hydrocarbon aryl, heteroaryl, substituted heteroaryl, ally, or vinyl; Rand Rare the same or different and are alkyl, fluoroalkyl, or silyl; x and y are the same or different and are an integer from 0-2; and * indicates a point of attachment.

Polymers for use in electronic devices

Disclosed is a polyimide having a repeat unit structure of Formula IV In Formula IV: Ris the same or different at each occurrence and represents one or more tetracarboxylic acid component residues; and Ris the same or different at each occurrence and represents one or more aromatic diamine residues. 30-100 mol % of Rhas Formula II In Formula II: Rand Rare the same or different at each occurrence and are halogen, alkyl, fluoroalkyl, silyl, alkoxy, fluoroalkoxy, or siloxy; a and b are the same or different and are an integer from 0-4; c and d are the same or different and are 1 or 2; and * indicates a point of attachment.

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Avondale, PA, United States of America

Brian C Auman