Results 1 to 10 of about 3,775 (183)

Benzoxazine-based innovations in shielding: enhancing durability and protection in electronics and clothing [PDF]

Designed Monomers and Polymers
Benzoxazine-based materials have attracted increasing attention for electromagnetic interference (EMI) shielding due to their excellent thermal stability, mechanical strength, low moisture absorption, and dimensional stability.
Ayisha A. M. Arishi, Khalid A. Alamry, Mahmoud A. Hussein   +2 more
doaj   +2 more sources

Processable Bio-Based Polybenzoxazine with Tunable Toughness and Dielectric Properties [PDF]

Research
There is remarkable demand for bio-based specialty resins such as benzoxazine thermosets, but they are brittle and difficult to process. This study reports the synthesis of a processable bio-based polybenzoxazine resin via the copolymerization of rigid ...
Jiale Li, Meng Liu, Yuan Liu, Peng Zhao, Yuhan Lou, Zhiqian Meng, Xiaoxue Song, Zhenle Hu, Yongzhuang Liu, Haipeng Yu   +9 more
doaj   +2 more sources

Effects of the Backbone’s Structures on the Curing Behaviors and Properties of Phthalonitrile Containing Benzoxazine Rings [PDF]

Molecules
Phthalonitrile-based resins and benzoxazine play important roles in the field of advanced materials because of their excellent properties. In order to understand the effect of the backbone’s structure on the curing kinetics and properties of the ...
Mingzhen Xu, Jiaqu Zhang, Bo Li, Zexu Fan, Lunshuai He   +4 more
doaj   +2 more sources

Benzoxazine–Purine Hybrids as Antiproliferative Agents: Rational Design and Divergent Mechanisms of Action [PDF]

Pharmaceutics
Background/Objectives: Targeted cancer therapies increasingly rely on modulating specific cell death pathways and kinase signaling. Due to their structural versatility and potential to induce mechanistically distinct cytotoxic responses, benzoxazine ...
Houria Boulaiz, Yaiza Jiménez-Martínez, Francisco Franco-Montalbán, Jesús Peña-Martín, Ana Conejo-García, M. Dora Carrión   +5 more
doaj   +2 more sources

Novel Dihydro-1,3,2H-benzoxazine Derived from Furfurylamine: Crystal Structure, Hirshfeld Surface Analysis, Photophysical Property, and Computational Study

Crystals, 2021
Dihydro-1,3,2H-benzoxazines (or benzoxazine monomers) are a class of compounds that have been widely utilized in many areas such as the production of the functional polymers and optoelectronic materials.
Worawat Wattanathana, Yuranan Hanlumyuang, Suttipong Wannapaiboon, Kantapat Chansaenpak, Piyanut Pinyou, Tanin Nanok, Pongsakorn Kanjanaboos   +6 more
doaj   +1 more source

Influences of Chemical Functionalities on Crystal Structures and Electrochemical Properties of Dihydro-benzoxazine Dimer Derivatives

Crystals, 2021
Dihydro-1,3,2H-benzoxazine dimer derivatives or dihydro-benzoxazine dimers are a class of compounds typically prepared by ring-opening reactions between dihydro-benzoxazines and phenols.
Natapol Suetrong, Kantapat Chansaenpak, Sarawoot Impeng, Piyanut Pinyou, Vincent Blay, Rubén Blay-Roger, Sireerat Lisnund, Pongsakorn Kanjanaboos, Yuranan Hanlumyuang, Suttipong Wannapaiboon, Worawat Wattanathana   +10 more
doaj   +1 more source

Synthesis of Benzoxazine Resin and Evaluating the Mechanical Properties of Epoxy-Benzoxazine-Silica Nanocomposites [PDF]

علوم و تکنولوژی پلیمر, 2019
Hypothesis: Today, thermoset resins are one of the most widely used resins in various industries including aerospace and automotive industries. In this respect, epoxy resins are of particular importance.
Mojtaba Kazemi, Mehrzad Mortazaei, Iraj Amiri Amraie   +2 more
doaj   +1 more source

Low-Temperature Terpolymerizable Benzoxazine Monomer Bearing Norbornene and Furan Groups: Synthesis, Characterization, Polymerization, and Properties of Its Polymer

Molecules, 2023
There is an urgency to produce novel high-performance resins to support the rapid development of the aerospace field and the electronic industry. In the present work, we designed and consequently synthesized a benzoxazine monomer (oHPNI-fa) bearing both ...
Yin Lu, Yaliang Peng, Yi Yang, Jiahao Liu, Kan Zhang   +4 more
doaj   +1 more source

Aerial Oxygen-Driven Selenocyclization of O-Vinylanilides Mediated by Coupled Fe³⁺/Fe²⁺ and I₂/I⁻ Redox Cycles

Molecules, 2022
In the past decade, selenocyclization has been extensively exploited for the preparation of a wide range of selenylated heterocycles with versatile activities.
Hao-Yuan Zhang, Tong-Tong Zeng, Zhen-Biao Xie, Ying-Ying Dong, Cha Ma, Shan-Shan Gong, Qi Sun   +6 more
doaj   +1 more source

Smart synthesis of high performance thermosets based on ortho-(amide-co-imide) functional benzoxazines

Frontiers in Materials, 2015
High performance thermosets via amide-imide functional benzoxazine resins as precursors have been synthesized. The structures of synthesized monomers have been confirmed by 1H NMR and FT-IR.
Hatsuo eIshida, Kan eZhang
doaj   +1 more source