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332 Newest Publications about the topic solution

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Synthesis of poly(ethylene‐co‐vinyl alcohol)‐g‐polystyrene graft copolymer and their applications for ordered porous film and compatibilizer

18-Aug-2015 | Haotian Wu, Tao Jiang, Jun Zhu, Kun Cui, Qiaoling Zhao, Zhi Ma, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT A series of new functional poly(ethylene‐co‐vinyl alcohol)‐g‐polystyrene graft copolymers (EVAL‐g‐PS) with controlled molecular weight (Mn = 38,000–94,000 g mol−1) and molecular weight distribution (Mw/Mn = 2.31–3.49) were synthesized via a grafting from methodology. The molecular ...

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New alternating D–A1–D–A2 copolymer containing two electron‐deficient moieties based on benzothiadiazole and 9‐(2‐Octyldodecyl)‐8H‐pyrrolo[3,4‐b]bisthieno[2,3‐f:3',2'‐h]quinoxaline‐8,10(9H)‐dione for efficient polymer solar cells

12-Aug-2015 | M. L. Keshtov, S. A. Kuklin, D. Y. Godovsky, A. R. Khokhlov, R. Kurchania, F. C. Chen, Emmanuel N. Koukaras, G. D. S ..., Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT A novel D–A1–D–A2 copolymer denoted as P1 containing two electron withdrawing units based on benzothiadiazole (BT) and 9‐(2‐octyldodecyl)−8H‐pyrrolo[3,4‐b] bisthieno[2,3‐f:3′,2′‐h]quinoxaline‐8,10(9H)–dione (PTQD) units was synthesized and characterized. The resulting copolymer ...

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Thermal response of a PVCL–HA conjugate

12-Aug-2015 | Jukka Niskanen, Mikko Karesoja, Vladimir Aseyev, Xing‐Ping Qiu, Françoise M. Winnik, Heikki Tenhu, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT The synthesis and self‐assembling of a thermoresponsive conjugate of hyaluronic acid (HA) and poly(N‐vinylcaprolactam) (PVCL) is reported. Both polymers were end functionalized: HA via reductive amination, thereby introducing an azide endgroup to the chain end, and PVCL via ...

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Amphiphilic silica/fluoropolymer nanoparticles: Synthesis, tem‐responsive and surface properties as protein‐resistance coatings

06-Aug-2015 | Hongpu Huang, Jia Qu, Ling He, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT A series of amphiphilic silica/fluoropolymer nanoparticles of SiO2‐g‐P(PEGMA)‐b‐P(12FMA) were prepared by silica surface‐initiating atom transfer radical polymerization (SI‐ATRP) of poly(ethylene glycol) methyl ether methacrylate (PEGMA) and poly dodecafluoroheptyl methacrylate ...

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Synthesis of optically active conjugated polymers containing platinum in the main chain: Control of the higher‐order structures by substituents and solvents

03-Aug-2015 | Yu Miyagi, Takehiro Hirao, Takeharu Haino, Fumio Sanda, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT The Sonogashira–Hagihara coupling polymerization of d‐hydroxyphenylglycine‐derived diiodo monomers 1–4 and platinum‐containing diethynyl monomer 5 gave the corresponding polymers [poly(1–5)–(2–5)] with number‐average molecular weights of 19,000–25,000 quantitatively. The polymers were ...

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Azide‐functionalized nanoparticles as quantized building block for the design of soft–soft fluorescent polystyrene core—PAMAM shell nanostructures

03-Aug-2015 | Krystyna Baczko, Hélène Fensterbank, Bruno Berini, Nadège Bordage, Gilles Clavier, Rachel Méallet‐Renault, Chantal L ..., Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT This work deals with the covalent coupling of azide‐functionalized polymeric nanoparticles as a reactive core and amino‐terminated PAMAM dendrons as a reactive shell. The nanoassemblies thereby obtained could be modified after the dendronization step by grafting an alkynyl Bodipy dye ...

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A visible light responsive azobenzene‐functionalized polymer: Synthesis, self‐assembly, and photoresponsive properties

30-Jul-2015 | Guojie Wang, Dong Yuan, Tingting Yuan, Jie Dong, Ning Feng, Guoxiang Han, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT A novel visible light responsive random copolymer consisting of hydrophobic azobenzene‐containing acrylate units and hydrophilic acrylic acid units has been prepared. The azobenzene molecule bearing methoxy groups at all four ortho positions is readily synthesized by one‐step ...

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New approach for producing fluorescent gold nanoparticles: Poly(ethylene oxide) homopolymers as reductants in the micelles of amphiphilic fluorosilicone‐containing block copolymers

24-Jul-2015 | Jiawen Zhang, Lingmin Yi, Kai Xu, Jing Li, Dongzhi Lai, Journal of Polymer Science Part A: Polymer Chemistry, 2015

The reduction of gold salts by poly(ethylene oxide) (PEO) homopolymer is very slow and more than 2 days is needed to produce gold nanoparticles (AuNPs). In this work, however, AuNPs are rapidly produced in the micelles of novel amphiphilic ...

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Thermoresponsive polymersome from a double hydrophilic block copolymer

30-Jun-2015 | Prithankar Pramanik, Suhrit Ghosh, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT The article describes synthesis and thermally triggered self‐assembly of a Poly (ethylene oxide)‐block‐poly (N‐insopropylacrylamide) (PEO‐b‐PNIPAm) in aqueous medium. At rt, the polymer remains as unimer, however, at lower critical solution temperature (LCST) of PNIPAm (32 °C), it ...

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Thermo‐ and pH‐sensitive triblock copolymers with tunable hydrophilic/hydrophobic properties

26-Jun-2015 | Christophe Pottier, Gaëlle Morandi, Virginie Dulong, Zied Souguir, Luc Picton, Didier Le Cerf, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Polymers consisting of poly(acrylic acid) (PAA) and statistical poly[(acrylic acid)‐co‐(tert‐butylacrylate)] (P(AA‐co‐tBA)), attached to both extremities of Jeffamine® (D series based on a poly(propylene oxide) (PPO) with one amine function at each end) using atom transfer radical ...

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