نتایج جستجو برای: reversible chain transfer catalyzed polymerization
تعداد نتایج: 687415 فیلتر نتایج به سال:
The crystal structure of poly(7-heptalactone) (PHL) is presented. PHL has been synthesized by a combination ring-opening polymerization η-heptalactone and reversible addition–fragmentation chain transfer using diphenyl phosphate as catalyst. noncommercial available monomer prepared oxidation cycloheptanone. determined analysis the X-ray powder diffraction profiles electron patterns single cryst...
In this contribution, we report on the self assembly in water of original amphiphilic poly(2-methyl-2oxazoline)-b-poly(tert-butyl acrylate) copolymers, synthesized by copper catalyzed azide-alkyne cycloaddition (CuAAC) reaction. For such purpose, polyoxazoline (poly(2-methyl-2-oxazoline)) and polyacrylate (poly(tert-butyl acrylate)) are first prepared by cationic ring-opening polymerization (CR...
The combination of reversible addition–fragmentation chain transfer (RAFT) and emulsion polymerization has recently attracted much attention as a synthetic tool for high-molecular-weight block copolymers and their micellar nano-objects. Up to recently, though, the use of thermoresponsive polymers as both macroRAFT agents and latex stabilizers was impossible in aqueous media due to their hydroph...
The great success of controlled radical polymerizations has encouraged researchers to develop more facile and robust approaches for surface-initiated (SIPs) fabricate polymer brushes, even non-experts. In recent years, external-stimuli-mediated polymerization methods have come the fore as SIPs because their less rigorous synthetic procedures high controllability, which expand opportunities synt...
Today, neurodegenerative diseases are affecting more and individuals. A typical therapeutic target to treat the progression of symptoms related these is proinflammatory microglia. Diapocynin, dimeric version apocynin, often drug choice. However, suitable carriers for its controlled delivery currently lacking in clinics. In fact, high hydrophilicity hampers development a formulation enabling sus...
Benzyl methacrylate (BzMA) is polymerized using a poly(lauryl methacrylate) macromolecular chain transfer agent (PLMA macro-CTA) using reversible addition-fragmentation chain transfer (RAFT) polymerization at 70 °C in n-dodecane. This choice of solvent leads to an efficient dispersion polymerization, with polymerization-induced self-assembly (PISA) occurring via the growing PBzMA block to produ...
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