نتایج جستجو برای: ring opening polymerization

تعداد نتایج: 195988  

Journal: :Molecules 2018
Xing-Yu Sun Wei-Min Ren Si-Jie Liu Yin-Bao Jia Yi-Ming Wang Xiao-Bing Lu

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.

Journal: :Polymer Chemistry 2022

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.

Journal: :Chemical communications 2008
Russell C Pratt Fredrik Nederberg Robert M Waymouth James L Hedrick

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.

Journal: :Chemical communications 2006
Jeroen van Buijtenen Bart A C van As Jan Meuldijk Anja R A Palmans Jef A J M Vekemans L A Hulshof E W Meijer

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.

Journal: :Chemical communications 2008
Matthias Lobert Uwe Köhn Richard Hoogenboom Ulrich S Schubert

The living cationic ring-opening polymerization of 2-oxazolines with fluorinated aromatic substituents was found to be strongly accelerated by o-fluoro substituents.

Journal: :Chemical communications 2006
Lawrence A Vanderark Timothy J Clark Eric Rivard Ian Manners J Chris Slootweg Koop Lammertsma

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.

Journal: :Chemical Communications 2021

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.

Journal: :Bulletin of the Chemical Society of Japan 1964

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