Explosive and chemical threat detection by surface-enhanced Raman scattering: A review

A Hakonen, PO Andersson, MS Schmidt… - Analytica chimica …, 2015 - Elsevier
Acts of terror and warfare threats are challenging tasks for defense agencies around the
world and of growing importance to security conscious policy makers and the general public …

High-resolution 1H NMR spectroscopy in the solid state: very fast sample rotation and multiple-quantum coherences

I Schnell, HW Spiess - Journal of Magnetic Resonance, 2001 - Elsevier
In the past few years, solid-state 1H NMR spectroscopy under fast magic-angle spinning
(MAS) has developed into a versatile tool for elucidating structure and dynamics. Dipolar …

Synthesis and thermal characterization of polybenzoxazines based on acetylene-functional monomers

HJ Kim, Z Brunovska, H Ishida - Polymer, 1999 - Elsevier
The high thermal stability of this class of polybenzoxazines is a combined result of
polymerization of acetylene terminal functional group and oxazine ring-opening …

Reaction of benzoxazine‐based phenolic resins with strong and weak carboxylic acids and phenols as catalysts

J Dunkers, H Ishida - Journal of Polymer Science Part A …, 1999 - Wiley Online Library
Abstract The reaction of 3, 4‐dihydro‐3, 6‐dimethyl‐2H‐1, 3‐benzoxazine using strong and
weak carboxylic acids and phenols as catalysts has been studied using Fourier transform …

Polybenzoxazine–montmorillonite hybrid nanocomposites: synthesis and characterization

T Agag, T Takeichi - Polymer, 2000 - Elsevier
Polybenzoxazine–clay hybrid nanocomposites were prepared from a polybenzoxazine
precursor (Ba) and organically modified-montmorillonite (OMMT) as a type of layered …

Polybenzoxazine/SiO2 nanocomposite coatings for corrosion protection of mild steel

C Zhou, X Lu, Z Xin, J Liu, Y Zhang - Corrosion Science, 2014 - Elsevier
A series of nanocomposite coatings (PBS) consisting of silane functional polybenzoxazine
(PB-TMOS) and SiO 2 nanoparticles were developed for corrosion protection of mild steel …

Synthesis and properties of a new crosslinkable polymer containing benzoxazine moiety in the main chain

A Chernykh, J Liu, H Ishida - Polymer, 2006 - Elsevier
Using difunctional phenolic and amine compounds, a new polymer with benzoxazine
groups in the main chain has been synthesized through the Mannich reaction of a phenol …

Synthesis of high performance polybenzoxazine networks from bio-based furfurylamine: Furan vs benzene ring

X Shen, J Dai, Y Liu, X Liu, J Zhu - Polymer, 2017 - Elsevier
A high performance polybenzoxazine derived from bio-based furfurylamine was synthesized
in an efficient and straightforward way. For comparison, its petroleum-based analogue was …

Cationic ring-opening polymerization of 1, 3-benzoxazines: mechanistic study using model compounds

P Chutayothin, H Ishida - Macromolecules, 2010 - ACS Publications
The benzoxazine monomer is used to simplify the study of the benzoxazine initiation
mechanism. The HPLC retention time and the 1H NMR spectra of crude products from the …

Overview and historical background of polybenzoxazine research

H Ishida - Handbook of benzoxazine resins, 2011 - Elsevier
Publisher Summary This chapter points out that naming of polybenzoxazine is very complex
due to the rich variety of structures from similar raw materials available. The general …