نتایج جستجو برای: raft polymerization

تعداد نتایج: 35557  

Journal: :Polymer Chemistry 2021

The synthesis of fluorinated dual-responsive block terpolymers via sequential reversible addition–fragmentation chain transfer (RAFT) polymerization is presented.

Journal: :Organic & biomolecular chemistry 2011
Ming Chen Matthias Häussler Graeme Moad Ezio Rizzardo

Approaches to the synthesis of block copolymers containing organic semiconductor segments (polythiophene, perylene diimide) by RAFT polymerization have been explored. A method involving transformation of a vinyl derivative to a macro-RAFT agent provides for the synthesis of block copolymers which are joined by a short non-hydrolysable linkage.

Journal: :Chemical communications 2015
Rebecca Falatach Cameron McGlone M Sameer Al-Abdul-Wahid Saadyah Averick Richard C Page Jason A Berberich Dominik Konkolewicz

Hydrophilic polymers were attached to lysozyme by a combination of grafting-to and grafting-from approaches using RAFT polymerization. A hydrophilic oligomer was synthesized, and attached to the protein. The protein-oligomer hybrid contained the RAFT end group, enabling chain extension in solution. Lysozyme maintained activity throughout this process.

Journal: :Chemical communications 2012
Yu Zheng Ben Newland Hongyun Tai Abhay Pandit Wenxin Wang

We explore a kinetically controlled strategy to suppress the gelation in the homopolymerization of multi-vinyl monomers (MVMs) via RAFT polymerization. We report the generation of 3D single cyclized polymer structures from the RAFT process, which significantly contradicts the classic F-S theory. This approach enables synthesis of a new generation of nanosize macromolecular architectures.

Journal: :Macromolecules 2022

The combination of different monomer classes has been sought after to access a wider range brush copolymers owing their unique properties derived from dense macromolecular structures. Herein, we report the synthesis 2-oxazoline (RAFTOx) containing chain transfer agent at 2-position and its subsequent utilization in reversible addition-fragmentation chain-transfer (RAFT) polymerization. With aim...

Journal: :Polymer Chemistry 2022

RAFT polymerization model for dissipative particle dynamics is developed. The question of how to choose parameters the discussed. incompatibility between species shown have a dramatic effect on results.

2014
Simon Harrisson Xuan Liu Jean-Noël Ollagnier Olivier Coutelier Jean-Daniel Marty

This article is the first comprehensive review on the study and use of vinyl ester monomers in reversible addition fragmentation chain transfer (RAFT) polymerization. It covers all the synthetic aspects associated with the definition of precision polymers comprising poly(vinyl ester) building blocks, such as the choice of RAFT agent and reaction conditions in order to progress from simple to co...

2017
Keita Kinoshita Yuta Mori Taku Takami Yusuke Uchida Yoshihiko Murakami

RAFT polymerization is attractive for its reliability, facile operation, and high tolerance to a wide variety of monomers, functional groups, solvents, and temperatures. Herein, we report the RAFT-based synthesis of well-defined polymers bearing hydroxyl groups at two terminals by using various monomers. We found that the molecular weight of obtained polymers was half that of a target value whe...

2015
Scott C. Radzinski Jeffrey C. Foster John B. Matson

A novel dithiocarbamate chain transfer agent (CTA1) with a directly polymerizable Z-group was synthesized for use in reversible addition–fragmentation chain transfer polymerization (RAFT). This CTA effectively mediated RAFT polymerization of styrenic and acrylic monomers with dispersities (Đ) < 1.08. Utilizing the polymerizable Z-group on the ω-chain end that is inherited from the RAFT process,...

Journal: :Polymer Chemistry 2021

We report a method to efficiently prepare multisegmented polymers via combination of step-growth (SG) and reversible addition-fragmentation chain transfer (RAFT) polymerization.

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