Synthesis and characterization of high nitrile content polyimides as dielectric films for electrical energy storage

DH Wang, BA Kurish, I Treufeld, L Zhu… - Journal of Polymer …, 2015 - Wiley Online Library
Three new isomeric diamines containing three, oxy‐linked benzonitriles (3BCN), one of
which is asymmetric (meta, para, or m, p), are synthesized in a 3‐step sequence …

Polyimide-Derived Supramolecular Systems Containing Various Amounts of Azochromophore for Optical Storage Uses

AI Barzic, I Sava, RM Albu, C Ursu, G Lisa, I Stoica - Polymers, 2023 - mdpi.com
The progress of digital technologies demands more speed and larger storage capacity.
Optical storage systems have the advantage of being cheap, fast and capacious. This article …

The Impact of the Azo-Chromophore Sort on the Features of the Supramolecular Azopolyimide Films Desired to Be Used as Substrates for Flexible Electronics

I Stoica, EL Epure, AI Barzic, I Mihaila… - International Journal of …, 2022 - mdpi.com
High-performance supramolecular polyimide systems were synthesized via a simple and
innovative approach using two types of azo-chromophores, leading to concomitant special …

Synthesis and characterization of unsymmetrical benzonitrile‐containing polyimides: Viscosity‐lowering effect and dielectric properties

DH Wang, JK Riley, SP Fillery… - Journal of Polymer …, 2013 - Wiley Online Library
ABSTRACT A new unsymmetrical diamine, 2‐(3‐aminophenoxy)‐6‐(4‐aminophenoxy)
benzonitrile (3, 4‐APBN), is synthesized via two consecutive SNAr reactions and the …

Modification of the surface properties of a polyimide film during irradiation with polychromic light

L Rosu, I Sava, D Rosu - Applied surface science, 2011 - Elsevier
The behaviour of a polyimide film with the aromatic structure during the exposure to UV light
with λ> 290 nm was studied. Significant changes in color surface and gloss surface were …

Preparation and properties of cyano-containing polyimide films based on 2, 6-bis (4-aminophenoxy)-benzonitrile

B Lin, X Xu - Polymer Bulletin, 2007 - Springer
A series of cyano-containing polyimides were synthesized from 2, 6-bis (4-amino-phenoxy)
benzonitrile and some aromatic dianhydride monomers by solution polycondensation. The …

Thermally stable and organosoluble binaphthylene‐based poly (urea‐ether‐imide) s: one‐pot preparation and characterization

H Behniafar, S Haghighat - Polymers for Advanced …, 2008 - Wiley Online Library
A new family of wholly aromatic poly (urea‐ether‐imide) s (4a–4f) possessing binaphthylene‐
twisted rings was prepared by diphenyl azidophosphate (DPAP)‐activated one‐pot …

Aromatic poly (ether imide) s containing nitrile groups

C Hamciuc, E Hamciuc, M Ignat… - High Performance …, 2009 - journals.sagepub.com
A novel series of organosoluble poly (ether imide) s containing nitrile groups was prepared
by solution polycondensation reaction of an aromatic diamine, namely 4-[bis (4 …

Phthalonitrile‐containing poly (amide imide) s with nanoactuation properties

E Hamciuc, C Hamciuc, ID Carja… - Polymer Engineering …, 2013 - Wiley Online Library
A series of aromatic poly (amide imide) s containing pendant phthalonitrile groups was
prepared by solution polycondensation reaction of 4, 4′‐diamino‐4 ″‐(3, 4 …

Novel ortho-linked and CF3-substituted poly (amide-imide) s: Optical and thermal behavior

H Behniafar, S Mohammadparast-delshaad - Polymer degradation and …, 2012 - Elsevier
A new ortho-linked dicarboxylic acid monomer, 1, 5-bis (4-trifluoromethyl-2-
trimellitimidophenoxy) naphthalene (BFTPN), bearing two preformed imide rings, two …