A5060577881- Advanced Polymer Synthesis and Characterization
- Photopolymerization techniques and applications
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- biodegradable polymer synthesis and properties
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CSIRO Manufacturing
2015-2024
Materials Science & Engineering
1997-2023
Commonwealth Scientific and Industrial Research Organisation
2008-2023
Clayton Foundation
2017-2019
Melbourne Centre for Nanofabrication
2013-2016
Cooperative Research Centre for Polymers
1997-2015
O2 Czech Republic (Czechia)
2012
Institute of Organic Synthesis and Photoreactivity
2011
Technologies pour la Santé
2008
Universidad de Alcalá
2007
ADVERTISEMENT RETURN TO ISSUEPREVCommunication to the...Communication the EditorLiving Free-Radical Polymerization by Reversible Addition−Fragmentation Chain Transfer: The RAFT ProcessJohn Chiefari, Y. K. (Bill) Chong, Frances Ercole, Julia Krstina, Justine Jeffery, Tam P. T. Le, Roshan A. Mayadunne, Gordon F. Meijs, Catherine L. Moad, Graeme Ezio Rizzardo, and San H. ThangView Author Information CSIRO Molecular Science, Bag 10, Clayton South, Clayton, Victoria 3169, Australia Cite this:...
This paper presents a review of living radical polymerization achieved with thiocarbonylthio compounds [ZC(=S)SR] by mechanism reversible addition–fragmentation chain transfer (RAFT). Since we first introduced the technique in 1998, number papers and patents on RAFT process has increased exponentially as proved to be one most versatile for provision polymers well defined architecture. The factors influencing effectiveness agents outcome are detailed. With this insight, guidelines presented...
This paper provides a third update to the review of reversible deactivation radical polymerization (RDRP) achieved with thiocarbonylthio compounds (ZC(=S)SR) by mechanism addition-fragmentation chain transfer (RAFT) that was published in June 2005 (Aust. J. Chem. 2005, 58, 379). The first November 2006 2006, 59, 669) and second December 2009 2009, 62, 1402). cites over 700 publications appeared during period mid early 2012 covering various aspects RAFT which include reagent synthesis...
This review traces the development of addition–fragmentation chain transfer agents and related ring-opening monomers highlighting recent innovation in these areas. The major part this deals with reagents that give reversible (RAFT). These include dithioesters, trithiocarbonates, dithiocarbamates xanthates. RAFT process is a versatile method for conferring living characteristics on radical polymerizations providing unprecedented control over molecular weight, weight distribution, composition...
This paper provides a second update to the review of reversible deactivation radical polymerization achieved with thiocarbonylthio compounds (ZC(=S)SR) by mechanism addition–fragmentation chain transfer (RAFT) that was published in June 2005 (Aust. J. Chem. 2005, 58, 379–410). The first November 2006 2006, 59, 669–692). cites over 500 papers appeared during period mid-2006 mid-2009 covering various aspects RAFT ranging from reagent synthesis and properties, kinetics polymerization, novel...
Free radical polymerization with reversible addition–fragmentation chain transfer (RAFT polymerization) is discussed a view to answering the following questions: (a) How living RAFT polymerization? (b) What controls activity of thiocarbonylthio compounds in (c) do rates differ from those conventional (d) Can agents be used emulsion Retardation, observed when high concentrations certain are and early stages polymerization, how overcome it by appropriate choice reaction conditions, considered...
ADVERTISEMENT RETURN TO ISSUEPREVCommunication to the...Communication the EditorNEXTA More Versatile Route Block Copolymers and Other Polymers of Complex Architecture by Living Radical Polymerization: The RAFT Process) Y. K. Chong, Tam P. T. Le, Graeme Moad, Ezio Rizzardo, San H. ThangView Author Information CSIRO Molecular Science, Bag 10, Clayton South, Victoria 3169, Australia Cite this: Macromolecules 1999, 32, 6, 2071–2074Publication Date (Web):February 24, 1999Publication History...
This paper provides a first update to the review of living radical polymerization achieved with thiocarbonylthio compounds (ZC(=S)SR) by mechanism Reversible Addition–Fragmentation chain Transfer (RAFT) published in June 2005. The time since that publication has witnessed an increased rate on topic appearance well over 200 papers covering various aspects RAFT ranging reagent synthesis and properties, kinetics, polymerization, novel polymer syntheses, diverse applications.
Radical polymerization with reversible addition−fragmentation chain transfer (RAFT polymerization) can be used to synthesize a wide range of polymers controlled architecture and narrow molecular weight distribution. The polymerizations use agents agents) that possess high coefficients in free radical confer living character on the polymerization. This paper explores effect substituents R dithiobenzoate RAFT [SC(Ph)S−R] outcome styrene, methyl methacrylate (MMA) butyl (BA) or acrylate (MA)....
Abstract This document defines terms related to the structure and processing of inorganic, polymeric, inorganic-organic hybrid materials from precursors, through gels solid products. It is divided into four sections - gels, solids, processes have been restricted those most commonly encountered. For sake completeness where they are already satisfactorily defined for scope this document, other IUPAC publications used. Otherwise, their definitions assembled in consultation with experts relevant...
Radical polymerization is one of the most widely used processes for commercial production high-molecular-weight polymers. The main factors responsible preeminent position radical are ability to polymerize a wide array monomers, tolerance unprotected functionality in monomer and solvent, compatibility with variety reaction conditions. simple implement inexpensive relation competitive technologies. However, conventional severely limits degree control that researchers can assert over...
Free-radical polymerization in the presence of suitable addition−fragmentation chain transfer agents [SC(Z)S−R] (RAFT agents) possess characteristics a living (i.e., polymer products can be reactivated for extension and/or block synthesis, molecular weights are predetermined by RAFT agent concentration and conversion, narrow polydispersities possible). Styrene polymerizations (110 °C, thermal initiation) were performed two series [SC(Z)S−CH2Ph SC(Z)S−C(Me)2CN]. The coefficients decrease...
This Perspective reviews the design and synthesis of RAFT agents. First, we briefly detail basic features that should be considered when selecting a agent or macro-RAFT for given polymerization set reaction conditions. The chosen to have an optimal Ctr (in most circumstances higher is better) while at same time it exhibit minimal likelihood retarding undergoing side reactions. also appropriate solubility in medium possess requisite end-group functionality intended application. In this light...
This document defines terms related to modern methods of radical polymerization, in which certain additives react reversibly with the radicals, thus enabling reactions take on much character living polymerizations, even though some termination inevitably takes place. In recent technical literature, these have often been loosely referred as, inter alia, "controlled", "controlled/living", or "living" polymerizations. The use is discouraged. "controlled" permitted as long type control defined...
Living radical polymerization with reversible addition−fragmentation chain transfer (RAFT polymerization) can be achieved the use of dithiocarbamate derivatives that have nonbonded electron pair nitrogen included as part an aromatic system. These compounds been shown to highly effective in RAFT styrene and (meth)acrylate esters produce polymers predetermined molecular weight narrow polydispersity (usually <1.2). By contrast, simple N,N-dialkyl dithiocarbamates (those previously described...
Abstract Investigations into the kinetics and mechanism of dithiobenzoate‐mediated Reversible Addition–Fragmentation Chain Transfer (RAFT) polymerizations, which exhibit nonideal kinetic behavior, such as induction periods rate retardation, are comprehensively reviewed. The appreciable uncertainty in coefficients associated with RAFT equilibrium is discussed methods for obtaining RAFT‐specific detailed. In addition, mechanistic studies presented, target elucidation fundamental cause...
ADVERTISEMENT RETURN TO ISSUEPREVCommunication to the...Communication the EditorNEXTLiving Polymers by Use of Trithiocarbonates as Reversible Addition−Fragmentation Chain Transfer (RAFT) Agents: ABA Triblock Copolymers Radical Polymerization in Two StepsRoshan T. A. Mayadunne, Ezio Rizzardo, John Chiefari, Julia Krstina, Graeme Moad, Almar Postma, and San H. ThangView Author Information CSIRO Molecular Science, Bag 10, Clayton South, Victoria 3169, Australia Cite this: Macromolecules 2000,...
Reversible addition-fragmentation chain transfer (RAFT) is one of the most robust and versatile methods for controlling radical polymerization. With appropriate selection RAFT agent monomers reaction conditions, it applicable to majority subject The process can be used in synthesis well-defined homo-, gradient, diblock, triblock, star polymers more complex architectures, which include microgels polymer brushes. In this Focus Review we describe how development application has been facilitated...
Stimuli-responsive polymers respond to a variety of external stimuli, which include optical, electrical, thermal, mechanical, redox, pH, chemical, environmental and biological signals. This paper is concerned with the process forming such by RAFT polymerization.