Oxazine Ring-Related Vibrational Modes of Benzoxazine Monomers Using Fully Aromatically Substituted, Deuterated, 15N Isotope Exchanged, and Oxazine-Ring …

L Han, D Iguchi, P Gil, TR Heyl… - The Journal of …, 2017 - ACS Publications
Polymerization of benzoxazine resins is indicated by the disappearance of a 960–900 cm–1
band in infrared spectroscopy (IR). Historically, this band was assigned to the C–H out-of …

Benzoxazine oligomers: Evidence for a helical structure from solid-state NMR spectroscopy and DFT-based dynamics and chemical shift calculations

GR Goward, D Sebastiani, I Schnell… - Journal of the …, 2003 - ACS Publications
A combination of molecular modeling, DFT calculations, and advanced solid-state NMR
experiments is used to elucidate the supramolecular structure of a series of benzoxazine …

Oxazine ring-substituted 4th generation benzoxazine monomers & polymers: stereoelectronic effect of phenyl substituents on thermal properties

S Mukherjee, N Amarnath, B Lochab - Macromolecules, 2021 - ACS Publications
Oxazine ring-substituted benzoxazine monomers inherit a smart architecture to cater
intriguing properties offered by this upcoming latest generation of polybenzoxazines. It is …

Toward elucidating the role of number of oxazine rings and intermediates in the benzoxazine backbone on their thermal characteristics

NK Sini, T Endo - Macromolecules, 2016 - ACS Publications
We have developed novel di-, tri-, and tetrafunctional benzoxazine monomers (BZ2, BZ3,
and BZ4), solely containing benzoxazine moieties arranged one after the other on the …

A study on hydrogen bonding in controlled‐structure benzoxazine model oligomers

HD Kim, H Ishida - Macromolecular Symposia, 2003 - Wiley Online Library
The synthesis procedure for controlled‐structure benzoxazine model oligomers is described.
To understand the complex hydrogen bonding structure, a series of benzoxazine model …

Vibrational assignments of 3-alkyl-3, 4-dihydro-6-methyl-2H-1, 3-benzoxazines in the fingerprint region

J Dunkers, H Ishida - Spectrochimica Acta Part A: Molecular and …, 1995 - Elsevier
Fundamental vibrational assignments of a series of 3-alkyl-3, 4-dihydro-6-methyl-2H-1, 3-
benzoxazines are made by analysis of the fingerprint region (2000-500 cm− 1) of their …

Primary amine-functional benzoxazine monomers and their use for amide-containing monomeric benzoxazines

T Agag, CR Arza, FHJ Maurer, H Ishida - Macromolecules, 2010 - ACS Publications
Amino-functional benzoxazine monomers have been successfully prepared. Several routes
have been applied to incorporate amino group into benzoxazine structure. These …

Elucidating the role of acetylene in ortho-phthalimide functional benzoxazines: Design, synthesis, and structure–property investigations

Y Lu, X Yu, CJ Evans, S Yang, K Zhang - Polymer Chemistry, 2021 - pubs.rsc.org
Two novel acetylene-containing ortho-phthalimide functional benzoxazine monomers have
been designed and synthesized in this work. We systematically investigated the effect of an …

[图书][B] Handbook of benzoxazine resins

H Ishida, T Agag - 2011 - books.google.com
This handbook provides a wide overview of the field, fundamental understanding of the
synthetic methods and structure/property correlation, as well as studies related to …

Intramolecular hydrogen bonding in benzoxazines: When structural design becomes functional

P Froimowicz, K Zhang, H Ishida - Chemistry–A European …, 2016 - Wiley Online Library
The future evolution of benzoxazines and polybenzoxazines as advanced molecular,
structural, functional, engineering, and newly commercial materials depends to a great …