L
Lu Han
Researcher at Oak Ridge National Laboratory
Publications - 48
Citations - 1524
Lu Han is an academic researcher from Oak Ridge National Laboratory. The author has contributed to research in topics: Polymerization & Chemistry. The author has an hindex of 16, co-authored 38 publications receiving 865 citations. Previous affiliations of Lu Han include Case Western Reserve University.
Papers
More filters
Journal ArticleDOI
Oxazine Ring-Related Vibrational Modes of Benzoxazine Monomers Using Fully Aromatically Substituted, Deuterated, 15N Isotope Exchanged, and Oxazine-Ring-Substituted Compounds and Theoretical Calculations
Lu Han,Daniela Iguchi,Phwey S. Gil,Tyler R. Heyl,Victoria M. Sedwick,Carlos Rodriguez Arza,Seishi Ohashi,Daniel J. Lacks,Hatsuo Ishida +8 more
TL;DR: This study shows that the disappearance of a 960-900 cm-1 band in infrared spectroscopy is a mixture of the O-C2 stretching of the oxazine ring and the phenolic ring vibrational modes, important for polymerization studies of benzoxazines that utilize vibrationalSpectroscopy.
Journal ArticleDOI
A Smart Latent Catalyst Containing o-Trifluoroacetamide Functional Benzoxazine: Precursor for Low Temperature Formation of Very High Performance Polybenzoxazole with Low Dielectric Constant and High Thermal Stability
TL;DR: In this paper, a difunctional benzoxazine with o-trifluoroacetamide functionality has been synthesized via Mannich condensation, and the chemical structure of synthesized monomer has also been confirmed by 1H, 13C, and 19F nuclear magnetic resonance (NMR) spectroscopy and Fourier transform infrared (FT-IR).
Journal ArticleDOI
Smart, Sustainable, and Ecofriendly Chemical Design of Fully Bio‐Based Thermally Stable Thermosets Based on Benzoxazine Chemistry
TL;DR: The results reveal that the furanic moiety induces a co-operative activating effect, thus lowering the polymerization temperature and also contributes to a better thermal stability of the resulting polymers.
Journal ArticleDOI
Making Benzoxazines Greener: Design, Synthesis, and Polymerization of a Biobased Benzoxazine Fulfilling Two Principles of Green Chemistry
María Laura Salum,Daniela Iguchi,Daniela Iguchi,Carlos Rodriguez Arza,Lu Han,Hatsuo Ishida,Pablo Froimowicz,Pablo Froimowicz +7 more
TL;DR: In this article, Sesamol and furfurylamine were used to synthesize a novel benzoxazine monomer as part of the quest to develop greener benzoxazines monomers simultaneously fulfilling two Principles of Green Chemistry, the use of renewable feedstocks and safer solvents and auxiliaries.
Journal ArticleDOI
Intrinsic self‐initiating thermal ring‐opening polymerization of 1,3‐benzoxazines without the influence of impurities using very high purity crystals
TL;DR: A phenol/aniline type monofunctional benzoxazine monomer, PH-a, was synthesized and highly purified to study the intrinsic thermal ring-opening polymerization of benzoxazines without the influence of any impurity as discussed by the authors.