نتایج جستجو برای: phosphazene

تعداد نتایج: 170  

Journal: :Monatshefte Fur Chemie 2023

Abstract Vinyl esters and carbonates have recently been demonstrated to considerably lower cytotoxicity than their more commonly used (meth)acrylate counterparts, inspiring use in the 3D printing of biomaterials. However, degradation rates such synthetic photopolymers are slow, especially mild conditions present many biological environments. Some applications, for example, tissue regeneration s...

Journal: :GSC Advanced Research and Reviews 2022

In this work, new acrylate cyclotriphosphazene moiety (PN-A) was successfully synthesized starting from (PN) compound. This compound reacted with 2-hydroxyethylacrylate utilizing 1:1 mole ratio to increase the priority of one substitution reaction and forming PN-A molecule. The crud product purified by recrystallization using n-hexane column chromatography cyclohexane: ethyl acetate 60:40 mL as...

2014
Amanda L. Baillargeon Kibret Mequanint

Degradable biomaterials continue to play a major role in tissue engineering and regenerative medicine as well as for delivering therapeutic agents. Although the chemistry of polyphosphazenes has been studied extensively, a systematic review of their applications for a wide range of biomedical applications is lacking. Polyphosphazenes are synthesized through a relatively well-known two-step reac...

2017
Aitziber Iturmendi Uwe Monkowius Ian Teasdale

Oxidation responsive polymers with triggered degradation pathways have been prepared via attachment of self-immolative moieties onto a hydrolytically unstable polyphosphazene backbone. After controlled main-chain growth, postpolymerization functionalization allows the preparation of hydrolytically stable poly(organo)phosphazenes decorated with a phenylboronic ester caging group. In oxidative en...

Journal: :Advanced Energy Materials 2023

Abstract Silicon, as potential next‐generation anode material for high‐energy lithium‐ion batteries (LIBs), suffers from substantial volume changes during (dis)charging, resulting in continuous breakage and (re‐)formation of the solid electrolyte interphase (SEI), well consumption active lithium, which negatively impacts long‐term performance prevents silicon‐rich anodes practical application. ...

Journal: :ChemElectroChem 2023

With the increased demands of energy density boosting electrochemical performance rechargeable alkali metal ion batteries, safe operation second batteries is attracting much attention and needs to be especially considered during their further development, which essential in view well-known fire incidents lithium-ion batteries. These dangerous events are as a consequence exothermic chemical reac...

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