Synthesis and characterization of optically transparent semi-aromatic polyimide films with low fluorine content

H Liu, L Zhai, L Bai, M He, C Wang, S Mo, L Fan - Polymer, 2019 - Elsevier
A series of novel semi-aromatic polyimides with low fluorine content were prepared from
alicyclic dianhydrides, ie 1, 2, 4, 5-cyclohexane-tetracarboxylic dianhydride (CHDA) and …

Preparation and characterization of highly transparent and colorless semi-aromatic polyimide films derived from alicyclic dianhydride and aromatic diamines

L Zhai, S Yang, L Fan - Polymer, 2012 - Elsevier
A novel meta-substituted aromatic diamine containing trifluoromethyl and sulfonyl groups in
the backbone, ie, 2, 2′-bis [4-(3-amino-5-trifluoromethylphenoxy) phenyl] sulfone (m …

Eco-friendly synthesis of high-performance polyimide materials using bio-based greener solvents: Towards sustainable technologies in space environment

E Toto, S Laurenzi, RC Pellegrini, E Cavallini… - Materials Today …, 2024 - Elsevier
Polyimide-based materials offer high thermal stability, mechanical strength, and resistance
to UV and solar radiation, making them ideal candidates for use in demanding space …

Synthesis and properties of novel triptycene‐based polyimides

SH Hsiao, HM Wang, WJ Chen… - Journal of Polymer …, 2011 - Wiley Online Library
Two new triptycene‐containing bis (ether amine) s, 1, 4‐bis (4‐aminophenoxy) triptycene (4)
and 1, 4‐bis (4‐amino‐2‐trifluoromethylphenoxy) triptycene (6), were synthesized …

Soluble and transparent polyimides from unsymmetrical diamine containing two trifluoromethyl groups

SD Kim, SY Kim, IS Chung - Journal of Polymer Science Part A …, 2013 - Wiley Online Library
ABSTRACT A new unsymmetrical diamine monomer containing two trifluoromethyl (CF3)
groups is prepared from 2‐bromo‐5‐nitro‐1, 3‐bis (trifluoromethyl) benzene. The monomer …

Novel soluble polyimides derived from 2, 2′-bis [4-(5-amino-2-pyridinoxy) phenyl] hexafluoropropane: preparation, characterization, and optical, dielectric properties

Y Guan, D Wang, G Song, G Dang, C Chen, H Zhou… - Polymer, 2014 - Elsevier
Two novel aromatic diamine monomer, 2, 2′-bis [4-(5-amino-2-pyridinoxy) phenyl]
hexafluoropropane (6FBAPDP) and 2, 2′-bis [4-(5-amino-2-pyridinoxy) phenyl] propane …

High transparent polyimides containing pyridine and biphenyl units: synthesis, thermal, mechanical, crystal and optical properties

Y Guan, C Wang, D Wang, G Dang, C Chen, H Zhou… - Polymer, 2015 - Elsevier
Two series of isomeric pyridine-containing aromatic diamine monomers, 2, 2′-bis (5-amino-
2-pyridinoxy) biphenyl (2a), 4, 4′-bis (5-amino-2-pyridinoxy) biphenyl (2b), and 4, 4′-bis …

Fluorinated polyimide/POSS hybrid polymers with high solubility and low dielectric constant

C Wang, W Chen, C Xu, X Zhao, J Li - Chinese Journal of Polymer …, 2016 - Springer
A series of fluorinated polyimide/POSS hybrid polymers (FPI-4-FPI-16) were prepared via a
facile synthetic route using 2, 2'-bis (trifluoromethyl) benzidine, 4, 4'-oxydiphthalic …

Dielectric constant and refractive index of poly (siloxane–imide) block copolymer

MBH Othman, MR Ramli, LY Tyng, Z Ahmad, HM Akil - Materials & Design, 2011 - Elsevier
Recent technological advances demanded polyimides of improved versatility in terms of
electronic, optical and thermal properties. In this work, a series of poly (siloxane–imide) …

Synthesis and properties of fluorinated polyimides with multi-bulky pendant groups

C Wang, S Cao, W Chen, C Xu, X Zhao, J Li, Q Ren - RSC advances, 2017 - pubs.rsc.org
A new aromatic diamine monomer, 2, 2′-bis [3, 5-di (4-trifluoromethylphenyl)-4-(4-
aminophenoxy) phenyl] sulfone, containing four pendant trifluoromethylphenyl group …