نتایج جستجو برای: opening polymerization

تعداد نتایج: 78293  

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.

This investigation indicates the ability to selectively graft glycidyl methacrylate (GMA) only from the external surface of regenerated cellulose (RC) ultrafiltration (UF) membranes using activator generated electron transfer (AGET) atom transfer radical polymerization (ATRP). This controlled polymerization resulted in epoxy functionalized polymer brush ends. Further reaction of the terminal ep...

Journal: :Polymer Chemistry 2021

Minireview focused on poly(ε-lysine) and its derivatives via ring-opening polymerization of biorenewable cyclic lysine.

Journal: :Organic materials 2021

Poly(α-hydroxy acids), as a family of biodegradable polyesters, are valuable materials due to their broad applications in packaging, agriculture, and biomedical engineering. Herein we highlight explore recent advances catalysts controlled ring-opening polymerization O-carboxyanhydrides towards functionalized poly(α-hydroxy especially metal catalyst-mediated polymerization. Limitations current s...

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