نتایج جستجو برای: atom transfer radical polymerization
تعداد نتایج: 447854 فیلتر نتایج به سال:
Front Cover: In article 2200259 by Katja Loos and Aldo Altomare, the light-catalyzed atom transfer radical polymerization (ATRP) of PVDF-based block copolymers with methyl methacrylate using five different organic photoredox catalysts (OPRC) is reported. The authors prove how three OPRC operating through an oxidative quenching pathway offer a good control over process. They also achieve success...
Polymer nanocomposites of core–shell structure were prepared by grafting poly(methyl methacrylate) (PMMA) from TiO2 nanoparticle via the surface-initiated polymerization (SIP) strategy. A bifunctional polymerization initiator inspired by L-3,4-dihydroxyphenylalanine (DOPA), a key constituent of mussel adhesive proteins (MAPs), was designed and synthesized for use in SIP from oxide surfaces. The...
w ater born poly(styrene-butyl acrylate)/clay nanocomposite latexes were synthesized by a novel initiating system of activators generated by electron transfer (aget) in a system of atom transfer radical polymerization (atrp). initially, the clay was swelled in a mixture of styrene, butyl acrylate, and hexadecane. the mixture was then sonicated to obtain a stable miniemulsion. to s...
It is well known that well-defined polyacrylonitrile (PAN) with high molecular weight (Mw > 106 g ̈mol ́1) is an excellent precursor for high performance carbon fiber. In this work, a strategy for initiators for a continuous activator regeneration atom transfer radical polymerization (ICAR ATRP) system for acrylonitrile (AN) was firstly established by using CuCl2 ̈ 2H2O as the catalyst and 2,21-az...
In this paper we describe a graft polymerization/solvent immersion method for generating various patterns of polymer brushes. We used a very-large-scale integration (VLSI) process and oxygen plasma system to generate well-defined patterns of polymerized methyl methacrylate (MMA) on patterned Si(100) surfaces through atom transfer radical polymerization (ATRP). After immersion of wafers presenti...
New copolymers from hindered amines and vinyl monomers were synthesized by radical chain polymerization. To obtain polymeric HALS, acrylamide-(1ATP) and acrylate-(4ATP) monomers, derivatives from 2,2,6,6-tetramethylpiperidine and 2,2,6,6-tetramethyl-4-piperidinol were synthesized. The radical chain polymerization of 1ATP with styrene (Sty) using 1-butanethiol (BTN) resulted in a copolymer with ...
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