Polymer Science News

Poly(o-Aminophenol) prepared by Cu(II) Catalyzed Air Oxidation and Its Use as a Bio-sensing Architecture

RSC - Polym. Chem. latest articles - Tue, 06/06/2017 - 06:37
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00807D, PaperCem Bicak, Saniye Soylemez, Ece Buber, Levent Toppare, Yusuf Yagci
A novel procedure for the preparation of organosoluble poly(o-aminophenol) was described. The method pertains to the reduction of CuBr2 by o-amino phenol (OAP) at room temperature. The air oxidation of...
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Categories: Polymer Science News

Long-subchain Janus-dendritic Copolymers from Local-confined Click Reaction and Generation-dependent Micro-phase Separation

RSC - Polym. Chem. latest articles - Tue, 06/06/2017 - 06:37
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00551B, PaperPeng-Yun Li, Chen He, Jia-Min Li, Lianwei Li, Xiaodong Ye, Wei-Dong He
In this paper, we put forward a divergent synthetic strategy to prepare long-chain Janus-dendritic copolymers with polystyrene (PSt) and poly(tert-butyl acrylate) (PtBA) as each half-dendron. To achieve the exact Janus...
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Categories: Polymer Science News

The para-fluoro-thiol reaction as a powerful tool for precision network synthesis

RSC - Polym. Chem. latest articles - Tue, 06/06/2017 - 06:37
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00812K, CommunicationLeonie Barner, Federica Cavalli, Hatice Mutlu, Sven Ole Steinmueller
We introduce the regioselective para-fluoro-thiol reaction (PFTR) as a novel strategy for network formation. Here, a novel fluorinated linker is designed and further reacted with several bifunctional thiols to demonstrate...
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Categories: Polymer Science News

Self-assembly and Dis-assembly of Stimuli Responsive Tadpole-like Single Chain Nanoparticles using a Switchable Hydrophilic/Hydrophobic Boronic Acid Cross-linker

RSC - Polym. Chem. latest articles - Tue, 06/06/2017 - 06:37
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00828G, PaperJunliang Zhang, Joji Tanaka, Pratik Gurnani, Paul Wilson, Matthias Hartlieb, Sebastien Perrier
Living systems are driven by molecular machines that are composed of folded polypeptide chains, which are assembled together to form a multimeric complex. Although replicating this type of systems is...
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Categories: Polymer Science News

Bioinspired Polydopamine Induced Assembly of Ultrafine Fe(OH)3 Nanoparticles on Halloysite toward Highly Efficient Fire Retardancy of Epoxy Resin via An Action of Interfacial Catalysis

RSC - Polym. Chem. latest articles - Tue, 06/06/2017 - 05:36
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00660H, PaperZhi Li, Lejing Liu, Alejandro Jimenez Gonzalez, De-Yi Wang
Inspired by core-sheath-dot corncob structure, halloysite nanotubes (HNT) were sequentially functionalized with bio-mimic polydopamine nanocoating (PDA) and ultrafine Fe(OH)3 nanoparticles to prepare hierarchical HNT@PDA@Fe(OH)3, aiming to impart epoxy resin (EP)...
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AIE Conjugated polyelectrolytes based on tetraphenylethene for efficient fluorescence imaging and lifetime imaging of living Cells

RSC - Polym. Chem. latest articles - Mon, 06/05/2017 - 12:28
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00564D, CommunicationMengxia Gao, Yuning Hong, Bin Chen, Yinan Wang, Wenjun Zhou, Wallace Wing Ho Wong, Jian Zhou, Trevor Smith, Zujin Zhao
A series of new conjugated polyelectrolytes (CPEs) containing tetraphenylethene units are synthesized and characterized. They show apparent aggregation-induced emission (AIE) characteristics and give fluorescence covering from cyan to red with...
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Categories: Polymer Science News

Correction: Thermoresponsive gels directly obtained via visible light-mediated polymerization-induced self-assembly with oxygen tolerance

RSC - Polym. Chem. latest articles - Mon, 06/05/2017 - 08:27
Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY90088K, Correction Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Kaixuan Ren, Juan Perez-Mercader
To cite this article before page numbers are assigned, use the DOI form of citation above.
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Categories: Polymer Science News

Acceleration and improved control of aqueous RAFT/MADIX polymerization of vinylphosphonic acid in the presence of alkali hydroxides

RSC - Polym. Chem. latest articles - Mon, 06/05/2017 - 08:27
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00747G, PaperLucie Seiler, Julien Loiseau, Frederic Leising, Pascal Boustingorry, Simon Harrisson, Mathias Destarac
The effect of adding various alkali hydroxides to the conventional and reversible RAFT/MADIX radical polymerizations of vinylphosphonic acid (VPA) has been investigated. The addition of up to 1 equivalent of...
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Categories: Polymer Science News

Stereospecific Reductive Coupling Polymerization of Bis(benzylic gem-dibromide) via Formation of trans-C=C Bond

RSC - Polym. Chem. latest articles - Mon, 06/05/2017 - 05:26
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00525C, PaperHua Cao, Zhe Liu, Qi Wang
Stereospecific polymer was constructed by the successive formation of trans-C=C bond using bis(benzylic gem-dibromide)s as monomer treated with Cu/polyamine under mild conditions. The structure of polymer was characterized by GPC,...
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Categories: Polymer Science News

A Dynamic Covalent Selenide Bond Containing a Degradable Cross-Linked Polymer

RSC - Polym. Chem. latest articles - Thu, 06/01/2017 - 05:39
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00719A, PaperWeihong Lu, Xiangqiang Pan, Zhengbiao Zhang, Jian Zhu, Nianchen Zhou, Xiulin Zhu
A new method for preparing a degradable cross-linked polymer containing dynamic selenide was demonstrated. 1,2-bis(2,3,5,6-tetrafluoro-4-vinylphenyl)diselane (FVPDSe) was synthesized and used as a photoinitiator, mediator and dynamic covalent cross-linker to prepare...
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Categories: Polymer Science News

Cleavage of Macromolecular RAFT Chain Transfer Agents by Sodium Azide During Characterization by Aqueous GPC

RSC - Polym. Chem. latest articles - Thu, 06/01/2017 - 04:38
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00682A, PaperReece Lewis, Richard A Evans, Nino Malic, Kei Saito, Neil R Cameron
Accurate and reliable analysis of polymers by GPC is vital in the field of controlled radical polymerisation. Often, water-soluble polymers are analysed by aqueous gel permeation chromatography (GPC) in a...
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Categories: Polymer Science News

ADMET polymerization of [small alpha],[small omega]-unsaturated glycolipids: synthesis and physico-chemical properties of the resulting polymers

RSC - Polym. Chem. latest articles - Wed, 05/31/2017 - 07:27
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00788D, PaperHenri Cramail, Etienne Grau, Geoffrey Hibert, Sebastien Lecommandoux, Didier Pintori
Trehalose diesters exhibiting [small alpha],[small omega]-unsaturation are glycolipids which can be easily polymerized by ADMET (acyclic diene metathesis) polymerization. In this paper, enzymatic esterification was performed to selectively esterify primary hydroxyl groups...
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Categories: Polymer Science News

Fe-Porphyrin Functionalized Microporous Organic Nanotube Networks and their Application for the Catalytic Olefination of Aldehydes and Carbene Insertion into N-H Bonds

RSC - Polym. Chem. latest articles - Wed, 05/31/2017 - 05:25
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00530J, PaperMinghong Zhou, Hui Zhang, Linfeng Xiong, Zidong He, Tianqi Wang, Yang Xu, kun huang
A novel meso-tetraphenylporphyrin iron (III) chloride (Fe(TPP)Cl) functionalized microporous organic nanotubes networks (Fe(TPP)Cl-MONNs) was successfully synthesized by an in situ hyper-crosslinking reaction between core-shell bottlebrush copolymers and Fe(TPP)Cl. The obtained...
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Categories: Polymer Science News

pH-Sensitive Amphiphilic Block-Copolymers for Transport and Controlled Release of Oxygen

RSC - Polym. Chem. latest articles - Wed, 05/31/2017 - 05:25
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00679A, CommunicationYogesh Patil, Sarah Almahdali, Khanh B. Vu, Georgios Zapsas, Nikos Hadjichristidis, Valentin Rodionov
Saturated fluorocarbons, their derivatives and emulsions are capable of dissolving anomalously high amounts of oxygen and other gases. The mechanistic aspects of this remarkable effect remain to be explored experimentally....
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Categories: Polymer Science News

Compartmentalization of ABC triblock copolymer single-chain nanoparticle via coordination driven orthogonal self-assembly

RSC - Polym. Chem. latest articles - Fri, 05/26/2017 - 06:29
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00582B, PaperZhigang Cui, Hui Cao, Yi Ding, Pan Gao, Xinhua Lu, Yuanli Cai
We herein present supramolecular compartmentalization of ABC triblock copolymer single-chain nanoparticle (SCNP) using coordination-driven orthogonal intramolecular self-assembly. Well-defined ABC-type triblock copolymer was synthesized via visible light-mediated RAFT aqueous sequential block...
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Categories: Polymer Science News

Advantages and Limitations of Diisocyanates in Intramolecular Collapse

RSC - Polym. Chem. latest articles - Fri, 05/26/2017 - 06:29
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00712D, PaperFeng Wang, Charles E. Diesendruck
A comprehensive examination of the synthesis of single chain polymer nanoparticles (SCPNs) from a copolymer of methyl acrylate (MA) and 2-hydroxyethyl acrylate (HEA) via the intra-chain urethane formation by using...
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Categories: Polymer Science News

Mussel-inspired thermoresponsive polymers with tunable LCST by Cu(0)-LRP for the construction of smart TiO2 nanocomposites

RSC - Polym. Chem. latest articles - Fri, 05/26/2017 - 04:28
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00736A, PaperDonghao Wang, Shutong Guo, Qiang Zhang, Paul Wilson, David Haddleton
In this study, we report on the synthesis of thermoresponsive polymers with different microstructures, precisely tunable lower critical solution temperature (LCST) and terminal catechol anchors by copper (0) mediated living...
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Categories: Polymer Science News

Enzyme-Targeted Nanoparticles for Delivery to Ischemic Skeletal Muscle

RSC - Polym. Chem. latest articles - Wed, 05/24/2017 - 05:07
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00568G, PaperJessica Ungerleider, Jacquelin Kammeyer, Rebecca L Braden, Karen L Christman, Nathan Claude Gianneschi
The targeted delivery of enzyme-responsive nanoparticles to specific tissues can be a valuable, minimally invasive approach for imaging or drug delivery applications. ¬¬¬In this study, we show for the first...
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Categories: Polymer Science News

Chemoenzymatic synthesis of a peptide containing nylon monomer units for thermally processable peptide material application

RSC - Polym. Chem. latest articles - Tue, 05/23/2017 - 10:00
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00770A, CommunicationKenjiro Yazawa, Joan Gimenez-Dejoz, Hiroyasu Masunaga, Takaaki Hikima, Keiji Numata
Peptides exhibit no melting behavior during heating due to their strong intermolecular hydrogen bonds, which limits the use of peptides as a bulk material. Here, we added a melting point...
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Categories: Polymer Science News

Facile strategy for manipulating micellar size and morphology through intramolecular cross-linking of amphiphilic block copolymers

RSC - Polym. Chem. latest articles - Tue, 05/23/2017 - 06:59
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00646B, PaperRyoto Tanaka, Kodai Watanabe, Takuya Yamamoto, Kenji Tajima, Takuya Isono, Toshifumi Satoh
The effect of intramolecular cross-linking in an amphiphilic block copolymer (BCP) system was systematically investigated in terms of its thermal properties, critical micelle concentration (CMC), and aqueous self-assembly. A series...
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