نتایج جستجو برای: raft polymerization

تعداد نتایج: 35557  

2017
Sadaf Hanif Bernd Oschmann Dmitri Spetter Muhammad Nawaz Tahir Wolfgang Tremel Rudolf Zentel

This paper describes the controlled radical polymerization of an ionic-liquid monomer by RAFT polymerization. This allows the control over the molecular weight of ionic liquid blocks in the range of 8000 and 22000 and of the block-copolymer synthesis. In this work we focus on block copolymers with an anchor block. They can be used to control the formation of TiO2 nanoparticles, which are functi...

Journal: :Advanced Engineering Materials 2023

3D printing via reversible addition‐fragmentation chain transfer (RAFT) polymerization has been recently developed to expand the scope of technologies. A potentially high‐impact but relatively unexplored opportunity that can be provided by RAFT‐mediated is a pathway toward personalized medicine through manufacturing bespoke drug delivery systems (DDSs). Herein, drug‐eluting with precise geometr...

Journal: :Advanced Functional Materials 2021

Recently, photo-controlled reversible addition-fragmentation chain transfer (RAFT) polymerization has been successfully applied in digital light processing 3D printing. It provides a convenient way to tune the surface properties of printed object. However, so far, micro- and nanostructures reconfigurations based on photo-induced RAFT have not presented. In this work, one macro-photoiniferter, s...

In the recent years, non-connected piled raft foundation has been considered as an economical and practical deep foundation in the situation that high shear and concentrated loads may occur at the connection of the raft and pile head. This paper was presented an experimental study of a square foundation on the effects of parameters such as S/D, L/D and etc. in two cases of connected or non-conn...

Journal: :ACS applied polymer materials 2022

Thermoresponsive polymer nano-objects able to dynamically change their morphology in response modifications the local temperature are finding growing attention for biomedical, optical, and oil & gas applications. This smart behavior can be accessed by precisely controlling microstructure of AB block copolymers, which obtained leveraging pseudoliving character reversible addition–fragmentation c...

2011
Hidetaka Tobita

Various types of controlled/living radical polymerizations, or using the IUPAC recommended term, reversible-deactivation radical polymerization (RDRP), conducted inside nano-sized reaction loci are considered in a unified manner, based on the polymerization rate expression, Rp = kp[M]K[Interm]/[Trap]. Unique miniemulsion polymerization kinetics of RDRP are elucidated on the basis of the followi...

Journal: :Macromolecular Chemistry and Physics 2022

Front Cover: In article number 2100336 by Akikazu Matsumoto and co-workers, RAFT polymerization of the BOC-protected 2-hydroxyethyl methacrylate was carried out to control molecular weight, polydispersity, chain-end groups, sequence structure block copolymers. The hydroxy-containing polymers produced acid-catalyzed deprotection were converted precursors for a thermally curing polymer network sy...

Journal: :Journal of Polymer Science Part A: Polymer Chemistry 2010

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