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292 Newest Publications about the topic solution

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Remarkably stable amphiphilic random copolymer assemblies: A structure‐property relationship study

11-09-2013 | Krishna Dan, Priya Rajdev, Jolly Deb, Siddhartha S. Jana, Suhrit Ghosh, Journal of Polymer Science Part A: Polymer Chemistry, 2013

ABSTRACT Synthesis of a library of amphiphilic random copolymers from a single reactive pre‐polymer and their self‐assembly is reported. Post‐polymerization modifications of the parent polymer containing pendant N‐hydroxy succinimide (NHS) ester groups with various oligooxyethylene (OE) amines ...

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Synthesis of electroactive and biodegradable multiblock copolymers based on poly(ester amide) and aniline pentamer

26-08-2013 | Li Song, Baoguo Du, Li Chen, Mingxiao Deng, Hai Sun, Xuan Pang, Peibiao Zhang, Xuesi Chen, Journal of Polymer Science Part A: Polymer Chemistry, 2013

ABSTRACT A new family of multiblock copolymers (PEA‐b‐AP) based on poly(ester amide) (PEA) and aniline pentamer (AP) with the unique properties of being both electroactive and biodegradable was synthesized via a two‐stage active solution polycondensation. The new synthesis approach proceeded ...

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Poly(tetrafluorostyrenephosphonic acid)–polysulfone block copolymers and membranes

19-08-2013 | Zhecheng Shao, Arindam Sannigrahi, Patric Jannasch, Journal of Polymer Science Part A: Polymer Chemistry, 2013

ABSTRACT A series of ionic ABA triblock copolymers having a central polysulfone (PSU) block and poly(2,3,5,6,‐tetrafluorostyrene‐4‐phosphonic acid) (PTFSPA) outer blocks with different lengths were prepared and studied as electrolyte membranes. PSU with terminal benzyl bromide was used as a ...

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Chain center‐functionalized amphiphilic block polymers: Complementary hydrogen bond self‐assembly in aqueous solution

08-08-2013 | Sang‐Ho Lee, Makoto Ouchi, Mitsuo Sawamoto, Journal of Polymer Science Part A: Polymer Chemistry, 2013

ABSTRACT Hydrogen bonding self‐assemblies were formed in an aqueous medium from a pair of an amphiphilic ABA triblock copolymer and a hydrophobic homopolymer, both with a triple hydrogen bonding site that was complementary to each other and precisely placed at the main‐chain center: ...

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Synthesis of cyclo‐olefin copolymer latexes and their carbon nanotube composite nanoparticles

31-07-2013 | Hoang The Ban, Masahiro Shigeta, Tsutomu Nagamune, Mitsugu Uejima, Journal of Polymer Science Part A: Polymer Chemistry, 2013

ABSTRACT An efficient and environmentally benign synthetic method for the production of the stabilized cyclo‐olefin copolymer latexes and their carbon nanotube composite nanoparticles has been developed using an emulsion ring opening metathesis copolymerization catalyzed by the 2nd generation ...

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Poly(ionic liquid)s based on imidazolium hydrogen carbonate monomer units as recyclable polymer‐supported N‐heterocyclic carbenes: Use in organocatalysis

31-07-2013 | Paul Coupillaud, Julien Pinaud, Nicolas Guidolin, Joan Vignolle, Maréva Fèvre, Ellen Veaudecrenne, David Mecerreyes, ..., Journal of Polymer Science Part A: Polymer Chemistry, 2013

ABSTRACT Synthesis of novel poly(ionic liquid)s, namely, poly(1‐vinyl‐3‐alkylimidazolium hydrogen carbonate)s, denoted as poly([NHC(H)][HCO3])s or PVRImHCO3, where R is an alkyl group (R = ethyl, butyl, phenylethyl, dodecyl), is described. Two distinct synthetic routes were explored. The first ...

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Hyperbranched polyphosphoesters with reactive end groups synthesized via acyclic diene metathesis polymerization and their transformation to crosslinked nanoparticles

30-07-2013 | Liang Ding, Jun Qiu, Rong Lu, Xueqin Zheng, Jing An, Journal of Polymer Science Part A: Polymer Chemistry, 2013

ABSTRACT A novel hyperbranched polyphosphoester (HBPPE) was prepared by acyclic diene metathesis (ADMET) polymerization of an AB2 monomer using the second‐generation Hoveyda–Grubbs catalyst. IR analysis, gel permeation chromatography with multiangle laser light scattering, and NMR spectroscopy ...

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Fluorescence emission of amphiphilic copolymers bearing benzimidazole groups: Stimuli‐responsive behaviors in aqueous solution

23-07-2013 | Bing Han, Nianchen Zhou, Wei Zhang, Zhenping Cheng, Jian Zhu, Xiulin Zhu, Journal of Polymer Science Part A: Polymer Chemistry, 2013

ABSTRACT A stimuli‐responsive amphiphilic copolymer poly(NIPAMm‐b‐VBNBIn), including N‐isopropylacrylamide (NIPAM) as a thermoresponsive unit and 1‐(4‐vinyl benzyl)‐2‐naphthyl‐benzimidazole (VBNBI) as a sensitive fluorophore unit, was designed and synthesized by reversible ...

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Thermosensitive t‐PLA‐b‐PNIPAAm tri‐armed star block copolymer nanoscale micelles for camptothecin drug release

22-07-2013 | Feng Xu, Shu‐Zhen Zheng, Yan‐Ling Luo, Journal of Polymer Science Part A: Polymer Chemistry, 2013

ABSTRACT Thermosensitive polylactide‐block‐poly(N‐isopropylacrylamide) (t‐PLA‐b‐PNIPAAm) tri‐armed star block copolymers were synthesized by atom transfer radical polymerization (ATRP) of monomer NIPAAm using t‐PLA‐Cl as macroinitiator. The synthesis of t‐PLA‐Cl was accomplished by ...

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Synthesis of amphiphilic block copolymer by metal‐free ring‐opening oligomerization of glycidyl phenyl ether initiated with tetra‐n‐butylammonium fluoride in the presence of poly(ethylene glycol) monomethyl ether

22-07-2013 | Hisatoyo Morinaga, Yusuke Ujihara, Takeshi Endo, Journal of Polymer Science Part A: Polymer Chemistry, 2013

ABSTRACT Metal‐free ring‐opening oligomerization of glycidyl phenyl ether (GPE) initiated with tetra‐n‐butylammonium fluoride (n‐Bu4NF) (5.0 mol %) was performed in the presence of poly(ethylene glycol) monomethyl ether (PEGM) (5.0, 10, 20 mol %) as a chain transfer agent, by which the ...

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