Polybenzoxazines, also called benzoxazine resins, are a class of polymers that are produced from the ring-opening polymerization of 3-phenyl-2,4-dihydro-1,3-benzoxazine monomers and its chemical derivatives. (wikipedia.org)
Natural-sourced Benzoxazine Resins, Homopolymers, Blends and Composites: A Review of Their Synthesis, Manufacturing and Applications. (case.edu)
For thermoset coatings and adhesives, biobased resins such as biobased alkyds, epoxy resins, benzoxazine resins, starch derivatives, and proteins from plants and animals, are promising candidates to replace petroleum-derived counterparts. (umass.edu)
Synthesis5
Huntsman Advanced Materials - more than 15 years of focused and persistent research efforts in the synthesis and applications of various Benzoxazine molecules. (huntsman.com)
Successful synthesis of the benzoxazine monomer and conversion from graphite to GO are verified by proton nuclear magnetic resonance spectroscopy ( 1 H NMR), Fourier transform infrared spectroscopy (FT-IR), and X-ray diffraction (XRD), respectively. (figshare.com)
Benzoxazines are unstable under catalytic heterocyclization conditions, but their high reactivity allows the synthesis of N,O-mixed acetals when reactions are carried out in the presence of alcohols in the reaction medium. (uv.es)
Developing Further Versatility in Benzoxazine Synthesis via Hydrolytic Ring-Opening. (case.edu)
Resveratrol-based tri-functional benzoxazines: Synthesis, characterization, polymerization, and thermal and flame retardant properties. (case.edu)
Monomer5
Quantifying Dispersion in Graphene Oxide/Reactive Benzoxazine Monomer Nanocomposites. (figshare.com)
A series of reactive blends, comprising a commercial benzoxazine monomer, 2,2-bis(3,4-dihydro-3-phenyl-2H-1,3-benzoxazine)propane, and bisphenol A is prepared and characterized. (bris.ac.uk)
Polymerization of an AB-type benzoxazine monomer toward different polybenzoxazine networks: When Diels-Alder reaction meets benzoxazine chemistry in a single-component resin. (case.edu)
Through a solution method utilizing benzoxazine chemistry, heteroatoms containing porous carbons (HCPCs) were synthesized from melamine, eugenol and formaldehyde, followed by carbonization in a nitrogen atmosphere and chemical activation with KOH at three different activation temperatures, 700, 800 and 900 °C. The introduction of melamine and eugenol to the monomer produced structurally bonded nitrogen and oxygen in porous carbons. (mdpi.com)
As a result of this work, a previously unreported benzoxazine monomer based on 3,3'-dichloro-4,4'-diaminodiphenylmethane was obtained, characterized by 1H and 13C NMR spectroscopy, and its thermal and rheological properties were studied. (preprints.org)
Chemistry2
Benzoxazine chemistry has also been qualified for us ing in the production of copper cladded laminates and prepreg, of which the performance is important to leading-edge 4G-LTE smartphones. (huntsman.com)
The technology drivers of the adoption of Benzoxazine chemistry is mainly in intrinsic performance considerations that outperform DOPO-Epoxy chemistry. (huntsman.com)
Cannabinoid1
Exploring the 1,3-benzoxazine chemotype for cannabinoid receptor 2 as a promising anti-cancer therapeutic. (bvsalud.org)
Monomers1
Dispersibility of GO in the benzoxazine monomers prior to polymerization is studied using rheological analysis, and quantified according to the theory of fractal model of colloidal gels. (figshare.com)
Resin1
Owing to tailor-made and tunable backbone structure of Benzoxazine resin, the inherited stiff structure also contributes to modulus retention requirement at high working temperature in semiconductor substrate and automotive electronics control board. (huntsman.com)
Polymers1
Intrinsically noncombustible polymers without flame retardant additives: Sulfur-containing and bio-based benzoxazines. (case.edu)
Polymerization behavior3
The polymerization behavior of the GO/benzoxazine mixtures is studied by both differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA). (figshare.com)
Electronic effects of asymmetric and meta-alkoxy substituents on the polymerization behavior of bis-benzoxazines. (case.edu)
Electronic effects of asymmetric and meta-alkoxy substituents on the polymerization behavior of bis-benzoxazines (cover page artwork invited). (case.edu)
Derivatives1
Here, the 1,3- benzoxazine scaffold is presented as a versatile chemotype for the design of CB2 agonists from which 25 derivatives were synthesized. (bvsalud.org)
A comparison between the properties of benzoxazines based on diamines (3,3'-dichloro-4,4'-diaminodiphenylmethane and 4,4'-diaminodimethylmethane). (preprints.org)
Molecular1
Treatment of various 2-amino-arylalkyl alcohols with isothiocyanates afforded thiourea intermediates, which were reacted in situ with molecular iodine in the presence of triethylamine to give 2-amino-4 H -1,3-benzoxazines. (organic-chemistry.org)
High3
The applications of the Benzoxazine products from Panyu site include mid-Tg and high-Tg halogen-free copper cladded laminates used in smartphones, tablets, data communication application as well as in certain small-to-medium sized IC substrates. (huntsman.com)
Higher reliability of Benzoxazine based laminate in the production process of high density printed circuit board and in subsequent lead-free reflow soldering (components assembly) are the benefits contributing to lower cost and more efficient production. (huntsman.com)
Better dispersions are achieved using t BP-oda, the benzoxazine with a high degree of aromaticity in its chemical structure. (figshare.com)
Performance1
Structure and Performance of Benzoxazine Composites for Space Radiation Shielding. (case.edu)
Fabrics1
Applying benzoxazine as powder on woven fabrics (at IVW) and basalt rovings (at M&A Dieterle GmbH). (stfi.de)
Abstract1
Cerium Salts: An Efficient Curing Catalyst for Benzoxazine Based Coatings Tao Zhang, Leila Bonnaud, Jean-Marie Racquez, Marc Poorteman, Marjorie Olivier and Philippe Dubois Abstract : The effect of three different cerium salts (Ce(NO3)3·6H2O, CeCl3·7H2O and Ce(OOCCH3)3·5H2O) on the ring-opening polymerization (ROP) of a model diamine-based benzoxazine (4EP-pPDA) was investigated. (smpc.be)
Rings1
Benzoxazine rings form the central chemical structure of a number of pharmaceutical drugs including, for example, apararenone, elbasvir, and etifoxine. (wikipedia.org)
Advanced Materials1
Information of Benzoxazine product range offered by Huntsman Advanced Materials is available upon your enquiry. (huntsman.com)
Groups1
Poly(benzoxazine-f-chitosan) films: The role of aldehyde neighboring groups on chemical interaction of benzoxazine precursors with chitosan. (case.edu)
Application1
Additional tables on key NMR and FTIR frequencies unique to benzoxazine, heat of polymerization, Tg, and char yield will greatly aid in the choice of proper benzoxazine for a specific application. (chemtec.org)
Effect1
The addition of GO exhibits a negative effect on the polymerization of the two benzoxazines. (figshare.com)
Surfactants1
Benzoxazine Miniemulsions Stabilized with Polymerizable Nonionic Benzoxazine Surfactants. (mpg.de)
Synthesis4
A chiral phosphoric acid (CPA) catalyzes a versatile transition metal/oxidant free synthesis of chiral 2 H -1,4-benzoxazines through enantioselective desymmetrization of prochiral oxetanes (30 examples) in very good yield and high enantioselectivity under mild reaction conditions. (organic-chemistry.org)
17. Synthesis and bioefficacy evaluation of new 3-substituted-3,4-dihydro-1,3-benzoxazines. (nih.gov)
Benzoxazines are unstable under catalytic heterocyclization conditions, but their high reactivity allows the synthesis of N,O-mixed acetals when reactions are carried out in the presence of alcohols in the reaction medium. (uv.es)
Design and synthesis of novel platelet fibrinogen receptor antagonists with 2H-1,4-benzoxazine-3(4H)-one scaffold. (bvsalud.org)
Thermoplastic1
Advanced chemically induced phase separation in thermosets: Polybenzoxazines toughened with multifunctional thermoplastic main-chain benzoxazine prepolymers. (mpg.de)
Amine2
1,3-Benzoxazines can be synthesized by the Mannich reaction using a phenol, an amine, and formaldehyde. (wikipedia.org)
Modification of linear and branched poly(propylene amine)s via Mannich reaction yields the corresponding benzoxazine functional PPOs. (itu.edu.tr)
Chemical2
Benzoxazines are a group of isomeric bicyclic heterocyclic chemical compounds that consist of a benzene ring fused to an oxazine ring. (wikipedia.org)
Benzoxazine rings form the central chemical structure of a number of pharmaceutical drugs including, for example, apararenone, elbasvir, and etifoxine. (wikipedia.org)