Journal ArticleDOI
Synthesis and Characterization of Processable Aromatic Polyimides
P. Thiruvasagam,D. Venkatesan +1 more
TLDR
Two diamine diamine monomers, Bis-4,4′[(4-aminophenyl-2,2′-isopropylidene phenyloxy)] diphenylsulfone and benzophenone were synthesized in this paper.Abstract:
Two novel aromatic diamine monomers, Bis-4,4′[(4-aminophenyl-2,2′-isopropylidene phenyloxy)] diphenylsulfone and Bis-4,4′[(4-aminophenyl-2,2′-isopropylidene phenyloxy)] benzophenone were synthesize...read more
Citations
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Journal ArticleDOI
Solubility improvements in aromatic polyimides by macromolecular engineering
TL;DR: In this paper, the structural factors that are responsible for better processability of polyimides are discussed and representative diamine and diahydride structures are tabulated under different categories.
Journal ArticleDOI
A perspective on emerging polymer technologies for bisphenol‐A replacement
TL;DR: A review of recent efforts involving the design of BPA-free polymers is provided in this paper, highlighting four classes of polymers that often utilize BPA for enhancing specific properties: polycarbonates, polyesters, epoxies and polyimides.
Journal ArticleDOI
Synthesis of new diacid monomers and poly(amide-imide)s: study of structure–property relationship and applications
P. Thiruvasagam,M. Vijayan +1 more
TL;DR: In this article, two diimide-diacid monomers 4,4′-bis[4″-(trimellitimido)phenylisopropylidene-4″′-phenoxy] were synthesized and the structures of the monomers were characterized by FT-IR and 1H-NMR spectroscopy.
Journal ArticleDOI
Synthesis and characterization of AB-type monomers and polyimides: a review
TL;DR: In this article, the synthesis and characterization of AB-type polyimides and copolyimides having different structures is discussed. But, the authors focus on the structure of the polyimide and their properties.
Journal ArticleDOI
Synthesis of new unsymmetrical diamine and polyimides: structure–property relationship and applications of polyimides
TL;DR: In this paper, an unsymmetrical diamine monomer 4-(2-(4-(4-aminophenoxy)phenyl)propan-2-yl)benzenamine (APPBA) containing C(CH3) groups was synthesized from 2-(4aminophenyl)-2-( 4-hydroxyphenyl)propane and 4-nitrofluorobenzene by the nucleophilic substitution reaction followed by catalytic reduction.
References
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Book
Encyclopedia of polymer science and engineering
TL;DR: In this paper, the authors describe a chain transfer characterisation of polymers charge-transfer complexes, charge transfer complexes and charge transfer complexes of charge transfer and charge-Transfer complexes.
Book
Encyclopedia of polymer science and technology
TL;DR: In this article, the authors present a survey of the properties of polymers and their application in the field of chemical engineering, including the following: Coextrusion, Injection Molding, Flexible Packaging, Fibers, Polymer-Clay, and Plasticizers.
Journal ArticleDOI
Structure-property behaviour of soluble polyimide-polydimethylsiloxane segmented copolymers
TL;DR: In this paper, a solution imidization procedure was used to convert quantitatively the poly(siloxane amic acid) intermediates to the corresponding polyimides, which are flexible, tough, transparent and soluble.
Journal ArticleDOI
Polymer syntheses via aromatic nitro displacement reaction
TL;DR: The nucleophilic displacement of activated aromatic nitro groups with aryloxy anion is a versatile and useful reaction for the synthesis of aromatic ethers as mentioned in this paper, and preparation of various aromatic monomers and polymers containing ether linkages is described.
Journal ArticleDOI
Polyetherimides via nitro-displacement polymerization: Monomer synthesis and 13C-NMR analysis of monomers and polymers
Dwain M. White,Tohru Takekoshi,Frank J. Williams,Howard M. Relles,P. E. Donahue,Howard J. Klopfer,George Raymond Loucks,J. S. Manello,R. O. Matthews,R. W. Schluenz +9 more
TL;DR: In this paper, the synthetic route to polyetherimides by displacement of nitro-groups from disubstituted bis-imides and bisphenols is described.
Related Papers (5)
Synthesis and Characterization of Polyetherimides Derived from AB Monomers
P. Thiruvasagam,D. Venkatesan +1 more
Synthesis of new diacid monomers and poly(amide-imide)s: study of structure–property relationship and applications
P. Thiruvasagam,M. Vijayan +1 more