Chemicals and DrugsPhenomena and ProcessesTechnology, Industry, Agriculture
PolymersBenzoxazinesPolymerizationBiopolymersActinsTubulin
Called benzoxazine resinsSynthesisResinsCompositesMonomerMonomersCHEMISTRYEuropean Polymer JournalRING-OPENING POLYMEPOLYSTYRENEHuntsmanSyntheticPolybenzoxazinesNanocompositesChemicalPrecursorsBEHAVIORCatalystMolecularExhibitFTIRAromatic aminePost-polymerizationReactionsAbstractEtherMeltJournalPropertiesArticleTypeMaterialsMethodProductsEngineering
Called benzoxazine resins1
Synthesis3
  • Developing Further Versatility in Benzoxazine Synthesis via Hydrolytic Ring-Opening. (case.edu)
  • Natural-sourced Benzoxazine Resins, Homopolymers, Blends and Composites: A Review of Their Synthesis, Manufacturing and Applications. (case.edu)
  • Resveratrol-based tri-functional benzoxazines: Synthesis, characterization, polymerization, and thermal and flame retardant properties. (case.edu)
Resins7
  • Benzoxazines are products of condensation between an amine, a phenol and formaldehyde, used to produce thermoset resins or thermosetting polymer. (wikipedia.org)
  • No volatile release during cure[citation needed] Viscosities as low as 1000 cP at processing temperatures Near zero shrinkage Room temperature storage stability Gel times of as short as 17 minutes at 155 °C Good hydrophobicity Gel temperature Tg at 140 - 250 °C or higher Excellent electrical properties (low dielectric constant and dissipation factors) Good chemical resistance Thermosetting polymer Thermoset polymer matrix Plastic "Benzoxazine Thermoset Resins" (PDF). (wikipedia.org)
  • verification needed] Handbook of Benzoxazine Resins, ed. (wikipedia.org)
  • Benzoxazine resins can be used as an alternative to epoxy, phenolic and bismaleimide resins. (axiommrc.com)
  • Electric vehicles are generally made from polymer composites and thus, growth in electric vehicle production and the automotive industry is expected to accelerate the demand for polybenzoxazine resins. (axiommrc.com)
  • Huntsman benzoxazine resins are an ideal alternative to conventional epoxy, phenolic and BMI resin systems. (axiommrc.com)
  • The synthesized monomers can be used as thermo- and fire-resistant binders for polymer composite materials, as well as hardeners for epoxy resins. (preprints.org)
Composites6
  • Structure and Performance of Benzoxazine Composites for Space Radiation Shielding. (case.edu)
  • Preparation and Characterization of Carbon Fiber Reinforced Polybenzoxazine and Polybenzoxazole Composites: Use of a Smart, Ortho-substituted Benzoxazine, Amide-co-Imide Functional Matrix. (case.edu)
  • Zirconium carbide-modified polymer-matrix composites with improved reflectivity under high-energy laser ablation. (case.edu)
  • Composites of polystyrene and surface modified cellulose nanocrystals prepared by melt processing. (ki.si)
  • The market is further boosted by increasing use of polymer composites in the automotive industry for the production of lightweight vehicles with enhanced fuel efficiency. (axiommrc.com)
  • Also polymer layered silicate composites exhibit properties dramatically different from their more conventional counterparts. (rroij.com)
Monomer5
  • The systematic IUPAC name of the prototypical unsubstituted monomer is 3,4-dihydro-3-phenyl-2H-1,3-benzoxazine. (wikipedia.org)
  • Attempts to copolymerize P-a with another electroactive monomer, pyrrole (Py), by a similar redox process were unsuccessful, which was attributed to the unfavourable oxidation potential of Py. (kayseri.edu.tr)
  • 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)
Monomers3
  • Benzoxazines can be homopolymerized to yield rigid materials, or can be copolymerized with other monomers to tune properties. (wikipedia.org)
  • citation needed] The result of heating up benzoxazine monomers is a high molecular weight thermoset polymer matrix. (wikipedia.org)
  • citation needed] It has been reported that it is possible to copolymerize benzoxazines with other monomers such as epoxy and urethane. (wikipedia.org)
CHEMISTRY1
  • Polymer Chemistry, 11 (4), 800-809. (case.edu)
European Polymer Journal1
  • European Polymer Journal, 116 (), 526-533. (case.edu)
RING-OPENING POLYME3
  • A new series of soybean-oil-based elastomers poly(epoxidized soybean oil-co-decamethylene diamine)(PESD) was synthesized by ring-opening polymerization from epoxidized soybean oil (ESO) and decamethylene diamine (DDA) in different molar ratios. (edu.au)
  • They are formed by reacting a phenol or bisphenol-A with formaldehyde and an aromatic amine and are cured by thermal ring-opening polymerization. (axiommrc.com)
  • 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)
POLYSTYRENE1
  • Mechanochemical preparations of novel hybrid and complex materials such as 3D transition metal dichalcogenide heterostructures, high-entropy transition metal dichalcogenides (TMDCs) and rare earth-based metal organic frameworks (MOFs) are discussed, and the recently discovered mechanochemical depolymerization of an addition polymer, polystyrene, to monomeric styrene at room temperature under ambient atmosphere is presented. (mst.edu)
Huntsman1
  • citation needed] Commercial benzoxazines by Huntsman are based on bisphenols: bisphenol-A, bisphenol-F, thiodiphenol or dicyclopentadienediphenol. (wikipedia.org)
Synthetic2
  • To minimise the use of expensive synthetic polymers and fibres of petrochemical and mineral origin cellulose-based natural fibres are used for low-cost composite materials and use in textile fields to enhance many needed properties such as tensile strength, drying rates ability, insect resistance [ 1 ], and many other properties. (rroij.com)
  • The use of cellulose - based bio-fibres include sisal, flax, hemp, cotton, jute, etc. are used to reinforce both synthetic polymeric matrixes and natural polymers because of their relative high strength, improved thermal properties and high stiffness [ 2 , 3 ]. (rroij.com)
Polybenzoxazines1
Nanocomposites1
  • Mechanisms of single-walled carbon nanotube network formation and its configuration in polymer-based nanocomposites. (ki.si)
Chemical5
  • The talk will discuss electrode materials innovation for interfacing complex proteins with electrode surfaces as well as using them for electrosynthesis of ammonia as well as other value-added products (i.e. chiral amines, chiral imines, polymers, etc.) with a focus on sustainability in the chemical industry. (mst.edu)
  • Poly(benzoxazine-f-chitosan) films: The role of aldehyde neighboring groups on chemical interaction of benzoxazine precursors with chitosan. (case.edu)
  • Hydroxide exchange membranes or hydroxide exchange ionomers formed from these polymers exhibit superior chemical stability, hydroxide conductivity, decreased water uptake, good solubility in selected solvents, and improved mechanical properties in an ambient dry state as compared to conventional hydroxide exchange membranes or ionomers. (justia.com)
  • An infrared absorbing polymer includes a first structural unit represented by Chemical Formula 1 and a second structural unit including at least one of Chemical Formula 2A to Chemical Formula 2. (justia.com)
  • 9. Kuksenova L.I., Gerasimov S.A., Alekseeva M.S., Gromov V.I. Influence of vacuum chemical and thermal processing on wear resistance of VKS-7 and VKS-10 steels. (viam-works.ru)
Precursors2
  • precursors were prepared by oxidative polymerization 3-phenyl-3,4-dihydro-2H-benzo[e][1,3] oxazine (P-a) alone and in the presence of thiophene (Th) with ceric ammonium nitrate in acetonitrile. (kayseri.edu.tr)
  • The structure of the precursors was confirmed by FTIR, H-1 NMR, and DSC measurements, indicating the presence of a cyclic benzoxazine structure, together with small but varying amount of a ring opened phenolic structure. (kayseri.edu.tr)
BEHAVIOR2
  • 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)
Catalyst1
  • citation needed] Curing of benzoxazines takes place by thermal ring-opening polymerisation with or without catalyst. (wikipedia.org)
Molecular1
  • 0003] For example, PTL 1 describes techniques relating to a modified lignin imparted with reactivity through introduction of a benzoxazine skeleton to lignin without decreasing the molecular weight of lignin, and a molding material enhancing the mechanical strength and the like of a molded article with the modified lignin contained therein. (epo.org)
Exhibit2
  • The resulting polymers exhibit conductivities around 10(-2) S cm(-1) and undergo thermal curing at various temperatures. (kayseri.edu.tr)
  • Hydroxide exchange membrane fuel cells and hydroxide exchange membrane electrolyzers comprising the poly(aryl alkylene) polymers or poly(aryl-crown ether-alkylene) polymers with pendant cationic groups exhibit enhanced performance and durability at relatively high temperatures. (justia.com)
FTIR2
  • 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)
  • The template was removed by using methanol:acetic acid 90:10 (v/v). The physical characteristics of the polymers were investigated by Fourier Transform Infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). (techno-press.com)
Aromatic amine1
  • Benzoxazines can be prepared by a one-pot process by heating an aromatic amine, a phenol and formaldehyde. (wikipedia.org)
Post-polymerization1
  • An environmentally benign post-polymerization functionalization strategy towards unprecedented poly(vinylamine) polyHIPEs. (ki.si)
Reactions1
Abstract1
  • Abstract α-mangostin imprinted polymers have been synthesized by a non-covalent imprinting approach with α-mangostin as a template molecule. (techno-press.com)
Ether1
  • Poly(aryl alkylene) polymers or poly(aryl-crown ether-alkylene) polymers with pendant cationic groups are provided which have an alkaline-stable cation, such as imidazolium, introduced into a rigid aromatic polymer backbone free of ether bonds. (justia.com)
Melt1
  • Melt polymerization of acrylamide initiated by nucleophiles: a route toward highly branched and amorphous polyamide 3. (ki.si)
Journal2
  • Journal of Polymer Science Part B: Polymer Physics. (wikipedia.org)
  • Journal of Polymer Research. (edu.au)
Properties2
  • Numerous research focus on the different curing temperature, and polymer properties, such as cross-linking, from benzoxazines derived from substituted phenols. (wikipedia.org)
  • A comparison between the properties of benzoxazines based on diamines (3,3'-dichloro-4,4'-diaminodiphenylmethane and 4,4'-diaminodimethylmethane). (preprints.org)
Article1
  • and a thermoplastic resin, a thermoplastic article, and an optical part including the polymer. (justia.com)
Type1
  • Based on type, the market is categorized into Bisphenol A Benzoxazine resin, Bisphenol F Benzoxazine Resin and others. (axiommrc.com)
Materials5
  • Because of the wide availability and low-cost of starting materials (amines, phenols and formaldehyde), as well as ease of preparation (one-pot reaction) diverse benzoxazines are available. (wikipedia.org)
  • Transformation of research materials into commercial products and scaling up laboratory protocols will be highlighted using mechanochemical processes as examples. (mst.edu)
  • Benzoxazines combine excellent stiffness and high-temperature performance with the ability to withstand exposure to moisture, chemicals and other corrosive materials. (axiommrc.com)
  • Materials of a new generation, technologies for their creation and processing - the basis of innovation. (viam-works.ru)
  • 4. Kablov E.N. Materials of a new generation and digital technologies for their processing. (viam-works.ru)
Method1
  • Then, PESD-3 was successfully cross-linked through succinic anhydride by a general rubber processing method to obtain a crosslinked bioelastomer. (edu.au)
Products1
  • It was established that linear oligophosphazenes are inert when heated in the absence of the mentioned cyclization agents, and the formation of cyclic products occurs only when these agents are involved in the process. (preprints.org)
Engineering1