Fluoropolymer materials and architectures prepared by controlled radical polymerizations

Hansen, Natanya Majbritt Louie; Jankova, Katja; Hvilsted, Søren

doi:10.1016/j.eurpolymj.2006.11.016

Cited by 229 publications

(180 citation statements)

References 102 publications

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“…Atom transfer radical polymerization (ATRP) is one of the most rapidly developing areas of polymer science, allowing to obtain effective control over molecular weights (MWs), narrow molecular weight distributions (MWDs), architectures, and well-defined compositions [1][2][3][4][5][6][7][8][9]. However, normal ATRP has one significant limitation -it requires a large amount of the catalyst, which is sensitive to air and other oxidant.…”

Section: Introductionmentioning

confidence: 99%

PSt-b-PU-b-PSt copolymers using tetraphenylethane-urethane macroinitiator through SARA ATRP

Chmielarz¹,

Król²

2016

Express Polym. Lett.

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Abstract. The course of supplemental activator and reducing agent (SARA) atom transfer radical polymerization (ATRP) has been presented in the presence of Cu 0 . The novelty of this work is that SARA ATRP has been used for the first time to synthesize polystyrene-b-polyurethane-b-polystyrene copolymers by using tetraphenylethane-urethane macroinitiator as transitional products reacting with styrene in the presence of Cu II Br 2 /TPMA catalyst complex. The influence of copper surface area on the polymerization was examined. It was confirmed that in all cases, both the molecular weight of resulting copolymer increases linearly with increasing conversion as well as the value of ln([M] 0 /[M]) as a function of polymerization time increases linearly. A successful formation of the urethane-styrene copolymers was confirmed by NMR spectral studies.

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Section: Introductionmentioning

confidence: 99%

PSt-b-PU-b-PSt copolymers using tetraphenylethane-urethane macroinitiator through SARA ATRP

Chmielarz¹,

Król²

2016

Express Polym. Lett.

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“…Controlled radical polymerization (CRP) can serve as a powerful synthetic tool in the production of well-defined fluorinated polymers with various architectures having predetermined chain lengths and low polydispersities. Fluorinated block copolymers have been synthesized previously via CRPs, involving nitroxide mediated radical polymerization (NMP) [11,12], reversible addition fragmentation chain transfer polymerization (RAFT) [13,14], and atom transfer radical polymerization (ATRP) [15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Fluorinated Amphiphilic Block Copolymers Based on PEGMA, HEMA, and MMA via ATRP and CuAAC Click Chemistry

Erol

Sinirlioglu

Cosgun

et al. 2014

International Journal of Polymer Science

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Synthesis of fluorinated amphiphilic block copolymers via atom transfer radical polymerization (ATRP) and Cu(I) catalyzed Huisgen 1,3-dipolar cycloaddition (CuAAC) was demonstrated. First, a PEGMA and MMA based block copolymer carrying multiple side-chain acetylene moieties on the hydrophobic segment for postfunctionalization was carried out. This involves the synthesis of a series of P(HEMA-co-MMA) random copolymers to be employed as macroinitiators in the controlled synthesis of P(HEMA-co-MMA)-block-PPEGMA block copolymers by using ATRP, followed by a modification step on the hydroxyl side groups of HEMA via Steglich esterification to afford propargyl side-functional polymer, alkyne-P(HEMA-co-MMA)-block-PPEGMA. Finally, click coupling between side-chain acetylene functionalities and 2,3,4,5,6-pentafluorobenzyl azide yielded fluorinated amphiphilic block copolymers. The obtained polymers were structurally characterized by 1 H-NMR, 19 F-NMR, FT-IR, and GPC. Their thermal characterizations were performed using DSC and TGA.

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“…The advent of atom transfer radical polymerization (ATRP) provides a new way to synthesize polymers with controlled molecular weight [5][6][7]. Numerous well-defined (co)polymers with the desired molecular weight and low polydispersity index (PDI <1.5) [8,9], (co)polymers with complex architectures [10][11][12][13], functional polymers and hybrid materials have been prepared by the ATRP technique [14][15][16]. Atom transfer radical polymerization (ATRP) also remains one of the most powerful, versatile, simplest, and least expensive polymerization techniques [17].…”

Section: Introductionmentioning

confidence: 99%

Effect of different ligands on the controlled polymerization of monodisperse polystyrene nanospheres by atom transfer radical polymerization in an aqueous emulsion

Tian¹,

Hu²,

Miao³

et al. 2012

Express Polym. Lett.

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Abstract. Polystyrene nanospheres have been synthesized by atom transfer radical polymerization (ATRP) to control the molecular weight distribution in the aqueous system. The crucial factor in such a system is the ligand that adjusts the solubility of the catalyst in different phases to control the concentration of both the activator and the deactivator in reaction phase. The effect of different ligands including ethylenediamine, 1,10-phenanthroline (phen) and 4,4-dinonyl-2, 2-bipyridyl (dNbpy) on the catalytic solubility in the organic and aqueous phase has been investigated. The molecular weight distribution of polymer obtained in this way was analyzed by gel permeation chromatography (GPC). It showed that the obtained polymer particles presented a broad molecular weight distribution (polydispersity index 1.78) with ethylenediamine as the ligand, but the polymerization rate was high and conversion reached 96.8%. The molecular weight distribution of polystyrene was narrowest with dNbpy as ligand, but the conversion was lowest and only achieved to 69%. Possible reasons were the influence of the structure of three different ligands on the control of ATRP reaction. SEM and GPC indicated that the polystyrene nanospheres presented regular sphere with a diameter of about 120 nm and uniform molecular weight distribution, which possessed a significant potentials in drug carrier field.

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Fluoropolymer materials and architectures prepared by controlled radical polymerizations

Cited by 229 publications

References 102 publications

PSt-b-PU-b-PSt copolymers using tetraphenylethane-urethane macroinitiator through SARA ATRP

PSt-b-PU-b-PSt copolymers using tetraphenylethane-urethane macroinitiator through SARA ATRP

Synthesis of Fluorinated Amphiphilic Block Copolymers Based on PEGMA, HEMA, and MMA via ATRP and CuAAC Click Chemistry

Effect of different ligands on the controlled polymerization of monodisperse polystyrene nanospheres by atom transfer radical polymerization in an aqueous emulsion

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