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319 Newest Publications about the topic solution

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Synthesis and characterization of benzimidazolium‐functionalized polysulfones as anion‐exchange membranes

21-May-2015 | María Teresa Pérez‐Prior, Alejandro Várez, Belén Levenfeld, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Anion‐exchange membranes containing pendant benzimidazolium groups were synthesized from polysulfone by chrolomethylation followed by nucleophilic substitution reaction with 1‐methylbenzimidazole. The structures of the polymers were characterized by 1H‐NMR and FTIR analysis. The ...

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Boron subphthalocyanine polymers: Avoiding the small molecule side product and exploring their use in organic light‐emitting diodes

20-May-2015 | Benoît H. Lessard, Kathleen L. Sampson, Trevor Plint, Timothy P. Bender, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT In this study, we set out the steps to efficiently synthesize boron subphthalocyanine (BsubPc)‐containing polymers while circumventing the formation of a known side product. The synthesis was achieved using the post‐polymerization coupling reaction of a carboxylic acid functional ...

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RAFT polymerization in supercritical carbon dioxide based on an induced precipitation approach: Synthesis of 2‐ethoxyethyl methacrylate/acrylamide block copolymers

13-May-2015 | Gerard Hawkins, Per B. Zetterlund, Fawaz Aldabbagh, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT A new controlled/living heterogeneous polymerization technique using RAFT in benign supercritical CO2 is described involving the formation of monomer‐swollen seed particles by precipitation of macroRAFT agent prior to polymerization. Controlled/living character of the induced ...

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Fabrication and characterization of UV‐crosslinkable thermoresponsive composite fibers with magnetic properties

07-May-2015 | Shih‐Ru Huang, King‐Fu Lin, Trong‐Ming Don, Wen‐Yen Chiu, Mei‐Fei Lin, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Crosslinking magnetic thermoresponsive composite (MTC) fiber mats were fabricated by electrospinning process and followed by UV curing. Thermoresponsive poly‐(N‐isopropylacrylamide) (PNIPAAm) and magnetic Fe3O4 were firstly synthesized by redox‐initiated polymerization and ...

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Preparation of microporous polymers in the form of particles and a thin film from hyperbranched polyphenylenes

29-Apr-2015 | Min Chul Cha, Yoonbin Lim, Ji Young Chang, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT The use of a hyperbranched polymer as a building block for the synthesis of a microporous organic polymer was demonstrated. Hyperbranched polyphenylenes (HBPs) were prepared from (3,5‐dibromophenyl)boronic acid, which contained numerous unreacted bromophenyl end groups. Utilizing ...

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Antibacterial poly(ethylene terephthalate) surfaces obtained from thymyl methacrylate polymerization

24-Apr-2015 | Sophie Bedel, Bénédicte Lepoittevin, Ludovic Costa, Olivier Leroy, Diana Dragoe, Jérôme Bruzaud, Jean‐Marie Herry, M ..., Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Thymol, an antibacterial agent was used for the preparation of a methacrylic monomer. The conventional and atom transfer radical (ATRP) polymerizations of this monomer were studied using different conditions. Then, the functionalization of poly(ethylene terephthalate) (PET) films by ...

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Energy transfer through heterogeneous dyes‐substituted fluorene‐containing alternating copolymers and their dual‐emission properties in the films

24-Apr-2015 | Hyeonuk Yeo, Kazuo Tanaka, Yoshiki Chujo, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT We report synthesis of the modified fluorene polymers tethered to the heterogeneous types of the fluorescent dyes at the cardo carbon for obtaining the dual‐emissive solid materials. A series of the alternating fluorene copolymers modified with pyrene or 9,10‐diphenylanthracene and ...

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Hyperbranched polytriazine grafted reduced graphene oxide and its application

18-Apr-2015 | Chao Liu, Hongxia Yan, Lingxia Yuan, Zhengyan Chen, Mengmeng Zhang, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT In this article, cyanuric chloride (CC) and hexamethylenediamine (HMD) as raw material, the grafting of hyperbranched polytriazine onto reduced graphene oxide surface (HBP‐RGO) was achieved by the repeated nucleophilic substitution between chlorine groups of CC and amino groups of ...

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From single‐chain folding to polymer nanoparticles via intramolecular quadruple hydrogen‐bonding interaction

15-Apr-2015 | Fei Wang, Hongting Pu, Ming Jin, Haiyan Pan, Zhihong Chang, Decheng Wan, Jiang Du, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Single‐chain folding via intramolecular noncovalent interaction is regarded as a facile mimicry of biomacromolecules. Single‐chain folding and intramolecular crosslinking is also an effective method to prepare polymer nanoparticles. In this study, poly(methyl ...

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Glassy poly(methacrylate) terpolymers with covalently attached emitters and sensitizers for low‐power light upconversion

08-Apr-2015 | Soo Hyon Lee, David C. Thévenaz, Christoph Weder, Yoan C. Simon, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Low‐power light upconversion by triplet–triplet annihilation (TTA‐UC) was only recently demonstrated in glassy polymers and the upconversion efficiency in these materials is typically much lower than in solution. As aggregation of the chromophores was thought to be the culprit, we ...

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