Synthesis of Novel Polycations Using the Chemistry of Ionic Liquids

Marcilla, Rebeca; Blázquez, J. Alberto; Fernández, Raquel; Grande, Hans J.; Pomposo, José A.; Mecerreyes, David

doi:10.1002/macp.200400411

Cited by 156 publications

(128 citation statements)

References 11 publications

(5 reference statements)

Supporting

Mentioning

118

Contrasting

Order By: Relevance

“…1 H (400 MHz) and 13 C NMR (100 MHz) spectra were recorded with a JEOL JNM-ECX400 (JOEL, Tokyo, Japan). Fourier transform infrared spectroscopic spectra were obtained with a JASCO FT-IR 210 spectrometer (JASCO, Tokyo, Japan).…”

Section: Instrumentationmentioning

confidence: 99%

“…Imidazolium salt is the most popular cation introduced into polymer backbones. A variety of polymers containing imidazolium moieties on their side chains have been developed, including poly(meth)acrylate, [4][5][6][7] polystyrene 8,9 and poly(N-vinyl imidazolium) [10][11][12][13] derivatives. The majority of these poly(ionic liquid)s were prepared by conventional radical polymerization.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Temperature-responsive self-assembly of star block copolymers with poly(ionic liquid) segments

Mori

Ebina

Kambara

et al. 2012

Polym J

View full text Add to dashboard Cite

Novel star block copolymers containing poly(N-vinylimidazolium salt) as a poly(ionic liquid) segment and poly(N-isopropylacrylamide) (poly(NIPAAm)) as a thermoresponsive segment were synthesized by reversible additionfragmentation chain transfer (RAFT) polymerization. Two R-designed tetrafunctional chain transfer agents (CTAs), including a xanthate-type CTA and a dithiocarbamate-type CTA, were compared for the polymerization of 1-ethyl-3-vinylimidazolium bromide (VEI-Br), which is an ionic liquid-type monomer. The dithiocarbamate-type tetrafunctional CTA was the most efficient CTA for the controlled synthesis of four-armed poly(VEI-Br) stars with low polydispersity values and controlled molecular weights. Star block copolymers with inner thermoresponsive segments connected to their core were synthesized by the RAFT polymerization of VEI-Br, using poly(NIPAAm) stars. In contrast, the RAFT polymerization of NIPAAm using poly(VEI-Br) stars afforded star block copolymers, with block arms consisting of outer block copolymer segments of thermoresponsive poly(NIPAAm). Thermally induced phase separation behavior and assembled structures of star block copolymers were studied in aqueous solution. Keywords: block copolymer; micelle; poly(ionic liquid); self-assembly; star polymer; star block copolymer; thermoresponsive polymer INTRODUCTION Recently, considerable attention has been paid to polymerized ionic liquids or polymeric ionic liquids, which are macromolecules obtained from the polymerization of ionic liquid monomers. [1][2][3] Polymeric ionic liquids with unique and attractive properties can be obtained by adjusting the structure of the cation (for example, imidazolium, pyridinium and tetraalkylammonium) and the anion (for example, halide, tetrafluoroborate and hexafluorophosphate). Potential applications of polymeric ionic liquids include polymeric electrolytes, catalytic membranes, ionic conductive materials, CO 2 absorbents, microwave absorbents and porous materials. Imidazolium salt is the most popular cation introduced into polymer backbones. A variety of polymers containing imidazolium moieties on their side chains have been developed, including poly(meth)acrylate, 4-7 polystyrene 8,9 and poly(N-vinyl imidazolium) 10-13 derivatives. The majority of these poly(ionic liquid)s were prepared by conventional radical polymerization. In addition to the structure of the substituent on the imidazolium ring, the solubility and properties of poly(Nvinylimidazolium salt) depend on the structure of the counteranion.As a result of recent progress in controlled radical polymerization (also known as controlled or living radical polymerization or reversible deactivation radical polymerization), well-defined block copolymers containing imidazolium moieties have been synthesized. 14,15 For example, Waymouth et al. 16,17 demonstrated the

show abstract

Section: Instrumentationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Temperature-responsive self-assembly of star block copolymers with poly(ionic liquid) segments

Mori

Ebina

Kambara

et al. 2012

Polym J

View full text Add to dashboard Cite

show abstract

“…Bromoethane (>98%), PdCl 2 , and all solvents were obtained from Shanghai Sinopharm Group Chemical Reagent Co., Ltd. All chemicals were used as received. pEVPBr was synthesized according to Marcilla et al [15]. Pd nanoparticles were investigated by transmission electron microscopy (TEM) on a JEOL 2010 transmission electron microscope.…”

Section: Methodsmentioning

confidence: 99%

Suzuki coupling reactions catalyzed by poly(N-ethyl-4-vinylpyridinium) bromide stabilized palladium nanoparticles in aqueous solution

Ren¹,

Meng²

2008

Express Polym. Lett.

View full text Add to dashboard Cite

show abstract

“…PEVI-TFSI was prepared in a two-step method as previously reported. 13,14 First, PEVI-Br was synthesized, and then, the bromine anion was exchanged with TFSI to obtain PEVI-TFSI (1).…”

Section: Experimental Procedures Materialsmentioning

confidence: 99%

Polymeric ionic liquids for the fast preparation of superhydrophobic coatings by the simultaneous spraying of oppositely charged polyelectrolytes and nanoparticles

Genua

Mecerreyes

Alduncín

et al. 2011

Polym J

Self Cite

View full text Add to dashboard Cite

In this work, the fabrication of superhydrophobic coatings by the simultaneous spraying of oppositely charged polyelectrolytes and nanoparticles is reported. This method is based on the polyelectrolyte layer-by-layer method but utilizes a fast simultaneous spraying approach. Superhydrophobic coatings showing water contact angles 41501 were obtained using poly [(1-vinyl-3-ethyl imidazolium) bis(trifluoromethane sulfonyl) imide] as a fluorinated polyelectrolyte alternative to Nafion. To obtain superhydrophobic thin films, fumed silica nanoparticles and clay nanorods were introduced into the polyelectrolyte multilayer films. The resultant superhydrophobic films showed both micro-and nano-scale features, as revealed by scanning electron microscopy and atomic force microscopy. Our polymeric ionic liquid derivatives show synthetic advantages compared with classic fluorinated polyelectrolytes.

show abstract

Synthesis of Novel Polycations Using the Chemistry of Ionic Liquids

Cited by 156 publications

References 11 publications

Temperature-responsive self-assembly of star block copolymers with poly(ionic liquid) segments

Temperature-responsive self-assembly of star block copolymers with poly(ionic liquid) segments

Suzuki coupling reactions catalyzed by poly(N-ethyl-4-vinylpyridinium) bromide stabilized palladium nanoparticles in aqueous solution

Polymeric ionic liquids for the fast preparation of superhydrophobic coatings by the simultaneous spraying of oppositely charged polyelectrolytes and nanoparticles

Contact Info

Product

Resources

About