نتایج جستجو برای: ring opening polymerization
تعداد نتایج: 195988 فیلتر نتایج به سال:
Lewis pair polymerization is a powerful method for preparing soluble polymers bearing pendant active vinyl groups by directly polymerizing dissymmetric divinyl polar monomers. Herein, we present a strategy for synthesizing block and brush copolymers via tandem Lewis pair polymerization of methacrylates, "thiol-ene" click reaction and organocatalytic ring-opening polymerization of lactide.
Herein, a novel 1,1′-carbonyldiimidazole ( CDI ) mediated polymerization methodology that complements ring-opening (ROP) and unlocks greater synthetic window to less-recognized polydithiocarbonates is presented.
Cyclic carbonate monomers based on a single biocompatible scaffold allow for incorporation of a wide range of functional groups into macromolecules via ring-opening polymerization.
Racemic omega-substituted caprolactones can be completely converted into chiral polyesters of remarkable MW and high ee by combining lipase-catalyzed ring-opening polymerization with Ru-catalyzed racemization.
The living cationic ring-opening polymerization of 2-oxazolines with fluorinated aromatic substituents was found to be strongly accelerated by o-fluoro substituents.
A strained 1-phenyl-2,3-dimethylphosphirene undergoes anionic ring-opening polymerization upon initiation with n-butyl lithium at ambient temperature to yield polyvinylenephosphine, an unsaturated organophosphorus polymer.
The isoselective organocatalyzed ring-opening polymerization of rac-lactide is triggered by a chiral binary organocatalytic system, achieving highly semi-crystalline and metal-free polylactides.
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