From Stars to Microgels

Taton, Daniel

doi:10.1002/9783527631421.ch24

Cited by 9 publications

(4 citation statements)

References 387 publications

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“…Consequently, selected papers in this area are referred to, but no comprehensive survey is provided. Recent reviews have been published on RDRP, including RAFT polymerization, leading to nano‐ or microgels . The reader is also referred to our paper in this area for references to the more recent literature on this form of RAFT crosslinking polymerization.…”

Section: Introductionmentioning

confidence: 99%

RAFT (Reversible addition-fragmentation chain transfer) crosslinking (co)polymerization of multi-olefinic monomers to form polymer networks

Moad

2014

Polym. Int.

102

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The use of reversible addition-fragmentation chain transfer (RAFT) crosslinking (co)polymerization of multi-olefinic monomers to produce three-dimensional polymer networks is reviewed. We give specific attention to differences between RAFT and conventional processes, differences between RAFT and other forms of reversible deactivation radical polymerization (such as atom transfer radical and nitroxide-mediated polymerizations) and the dependence of the polymerization process and network properties on RAFT agent structure. This knowledge is important in network optimization for applications as dynamic covalent polymers (in self-healing polymers), as porous polymer monoliths or gels (used as chromatographic media, flow reactors, controlled release media, drug delivery vehicles and in molecular imprinting) and as coatings. Scheme 1. Mechanism for reversible addition-fragmentation chain transfer (M is a monomer, P n and P m are polymer chains of length n and m, respectively).

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Section: Introductionmentioning

confidence: 99%

RAFT (Reversible addition-fragmentation chain transfer) crosslinking (co)polymerization of multi-olefinic monomers to form polymer networks

Moad

2014

Polym. Int.

102

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“…We have also recently published on RAFT (co)polymerization of non‐conjugated dienes to produce soluble star or hyperbranched polymers . For recent reviews on reversible deactivation radical polymerization (RDRP), including RAFT, of multi‐olefinic monomers leading to nano‐ or microgels, see Chen et al , Blencowe et al , Gao and Matyjaszewski and Taton . In this review, we deal with RAFT (co)polymerization of conjugated diene monomers, which class includes butadiene (Bd), isoprene (Ip) and chloroprene (Cp).…”

Section: Introductionmentioning

confidence: 99%

“…2,3 For recent reviews on reversible deactivation radical polymerization (RDRP), 4 including RAFT, of multi-olefinic monomers leading to nano-or microgels, see Chen et al, 5 Blencowe et al, 6 Gao and Matyjaszewski 7 and Taton. 8 In this review, we deal with RAFT (co)polymerization of conjugated diene monomers, which class includes butadiene (Bd), isoprene (Ip) and chloroprene (Cp). In the context of the present discussion, the conjugated dienes are monomers that comprise two double bonds separated by a single bond.…”

Section: Introductionmentioning

confidence: 99%

Reversible addition-fragmentation chain transfer (co)polymerization of conjugated diene monomers: butadiene, isoprene and chloroprene

Moad

2016

Polym. Int.

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This review provides a critical survey of the literature on reversible addition-fragmentation chain transfer (RAFT) (co)polymerization of industrially significant conjugated diene monomers, specifically butadiene, isoprene and chloroprene. There is a focus on polymerizations performed in heterogeneous media. However, experiments on RAFT solution or bulk (co)polymerization are also included in the survey. A goal common to much recent work in this area has been to define the polymerization conditions necessary to minimize crosslink formation, thereby providing a low-dispersity polymer with defined architecture and composition while, at the same time, achieving an acceptable (i.e. maximizing) monomer conversion and polymerization rate.

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“…Different types of macromolecules with well-defined branched architectures have been synthesized over the past 30-40 years including star-branched polymers and polymacromonomers [1][2][3], dendrimers and hyperbranched polymers [4,5], and dendrigraft polymers [4,6,7]. Among these the dendritic architecture, represented by the latter three categories, has had a significant impact on polymer science because it encompasses highly branched macromolecules with a controllable molecular weight, number of branches, and terminal groups.…”

Section: Introductionmentioning

confidence: 99%

Phase-Segregated Dendrigraft Copolymer Architectures

Cadena

Gauthier

2010

Polymers

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Dendrigraft polymers have a multi-level branched architecture resulting from the covalent assembly of macromolecular building blocks. Most of these materials are obtained in divergent (core-first) synthetic procedures whereby the molecule grows outwards in successive grafting reactions or generations. Two main types of dendrigraft polymers can be identified depending on the distribution of reactive sites over the grafting substrate: Arborescent polymers have a large and variable number of more or less uniformly distributed sites, while dendrimer-like star polymers have a lower but well-defined number of grafting sites strictly located at the ends of the substrate chains. An overview of the synthesis and the characterization of dendrigraft copolymers with phase-segregated morphologies is provided in this review for both dendrigraft polymer families. The tethering of side-chains with a different composition onto branched substrates confers unusual physical properties to these copolymers, which are highlighted through selected examples.

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From Stars to Microgels

Cited by 9 publications

References 387 publications

RAFT (Reversible addition-fragmentation chain transfer) crosslinking (co)polymerization of multi-olefinic monomers to form polymer networks

RAFT (Reversible addition-fragmentation chain transfer) crosslinking (co)polymerization of multi-olefinic monomers to form polymer networks

Reversible addition-fragmentation chain transfer (co)polymerization of conjugated diene monomers: butadiene, isoprene and chloroprene

Phase-Segregated Dendrigraft Copolymer Architectures

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