RSC - Polym. Chem. latest articles

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RSC - Polym. Chem. latest articles
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From Mono- to Tetraacylgermanes: Extending the Scope of Visible Light Photoinitiators

Mon, 11/20/2017 - 05:42
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01590A, PaperAnna Eibel, Judith Radebner, Michael Haas, David E. Fast, Hilde Freissmuth, Eduard Stadler, Paul Faschauner, Ana Torvisco, Iris Lamparth, Norbert Moszner, Harald Stueger, Georg Gescheidt
We have investigated the inititiaton efficiency of carefully selected germanium-based photointiators for radical polymerization. To establish a systematic relationship between structure and reactivity, we have developed a convenient synthetic protocol...
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Categories: Polymer Science News

Construction of Catechol-Containing Semi-Fluorinated Asymmetric Polymer Brush via Successive RAFT Polymerization and ATRP

Mon, 11/20/2017 - 05:42
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01794D, PaperBinbin Xu, Xiaowen Sun, Chaoqun Wu, Jian-Hua Hu, Xiaoyu Huang
A fluorine-containing anti-fouling surface was developed at a molecular-length scale by using a compositional heterogeneous polymer brush, which involves hydrophilic poly(ethylene glycol) (PEG) brushes with non-fouling functionality, fouling-release hydrophobic poly(2,2,3,3,3-pentafluoropropyl...
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Categories: Polymer Science News

Polymerizations in Oil-in-Oil Emulsions using 2D Nanoparticle Surfactants

Mon, 11/20/2017 - 05:42
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01819C, CommunicationBradley Rodier, Christopher Leon, Christina Hemmingsen, Emily Pentzer
Oil-in-oil emulsions are especially attractive for compartmentalized reactions with water-sensitive monomers which cannot be used with traditional oil/water emulsions. Herein, we demonstrate that alkylated graphene oxide nanosheets can be used...
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Categories: Polymer Science News

Novel conjugated polymers based on bis-dithieno[3,2-b;2',3'-d] pyrrole vinylene donor and diketopyrrolpyrrole acceptor: side chain engineering in organic field effect transistors

Fri, 11/17/2017 - 04:04
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01340J, PaperChain Shu Hsu, Fang-Ju Lin, Song-Di Lin, Wei-Tsung Chuang, Chih-Hao Chin
Two new donor-acceptor conjugated polymers, i.e. PB(C12DTP)V-DTDPP-C12 and PB(C12DTP)V-DTDPP-C12C8, were prepared by Stille coupling of (E)-1,2-bis(4-dodecyl-6-(trimethylstannyl)-4H-dithieno[3,2-b:2',3'-d]pyrrol-2-yl)ethene (Sn-B(C12DTP)V) with 3,6-bis(5-bromothiophen-2-yl)-2,5-didodecylpyrrolo[3,4-c]pyrrole-1,4-dione (Br-DTDPP-C12) and 3,6-bis(5-bromo-thiophen-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4-dione (Br-DTDPP-C8C12), respectively. The molecular weight and thermal property...
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Categories: Polymer Science News

Chitosan Hydrogelation with a Phenothiazine based Aldehyde - a Synthetic Approach toward Highly Luminescent Biomaterials

Thu, 11/16/2017 - 05:34
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01678F, PaperAndrei Bejan, Daniela Ailincai, Bogdan Simionescu, Luminita Marin
Pure organic luminescent hydrogels were synthesised using condensation reaction of amino groups of chitosan with a photoactive aldehyde bearing phenothiazine moiety. The hydrogels were structurally and supramolecularly characterized by FTIR...
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Categories: Polymer Science News

Hybrid Single-Chain Nanoparticles via Metal Induced Crosslinking of N-Donor Functionalized Polymer Chains

Thu, 11/16/2017 - 04:31
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01487B, PaperKaren Freytag, Stefanie Safken, Kai Wolter, Jan C. Namyslo, Eike G. Hubner
Single-Chain Nanoparticles (SCNPs) formed by crosslinking of isolated polymer chains in highly diluted solutions represent a conveniently achievable class of very well-defined small particles. Due to their partly swollen geometry,...
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Categories: Polymer Science News

Fabrication of color changeable CO2 sensitive nanofibers

Thu, 11/16/2017 - 03:30
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01628J, CommunicationJiaojiao Shang, Shaojian Lin, Patrick Theato
A CO2 sensor was fabricated by attaching CO2-sensitive spirospyran groups onto versatile photo-crosslinked poly(glycidyl methacrylate) (PGMA) precursor nanofibers via nucleophilic ring-opening reaction. These nanofibers can quickly respond to dissolved and...
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Categories: Polymer Science News

The application of blocked isocyanate chemistry in the development of tunable thermoresponsive crosslinkers

Wed, 11/15/2017 - 06:35

Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY01706E, PaperMarianne S. Rolph, Maria Inam, Rachel K. O'Reilly
The synthesis of a novel monomer, methacryloyl pyrazole, and its subsequent reaction with diisocyanates to produce thermoresponsive crosslinkers is reported.
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Categories: Polymer Science News

Fluoride degradable and thermally debondable polyurethane based adhesive

Tue, 11/14/2017 - 11:21

Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY01653K, PaperTahkur Singh Babra, Akash Trivedi, Colin N. Warriner, Nicholas Bazin, Dario Castiglione, Clive Sivour, Wayne Hayes, Barnaby W. Greenland
A polyurethane-based adhesive has been produced that can undergo multiple thermal debonding/bonding cycles and also irreversibly debond through depolymerisation on contact with fluoride ions.
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Categories: Polymer Science News

Novel cyclodextrin-based pH-sensitive supramolecular host-guest assembly for staining acidic cellular organelles

Tue, 11/14/2017 - 08:18
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01668A, PaperGabriela Pricope, Elena Laura Ursu, Monica Sardaru, Corneliu Cojocaru, Lilia Clima, Narcisa Marangoci, Ramona Antoaneta Danac, Ionel I. Mangalagiu, Bogdan Simionescu, Mariana Pinteala, Alexandru Rotaru
The preparation and characterization of the supramolecular host-guest inclusion complex between fluorescent indolizinyl-pyridinium salt and [small beta]-cyclodextrin is reported. The formation of the inclusion complex was investigated by ESI-MS experiments, transmission...
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Categories: Polymer Science News

Desulfurization-bromination: direct chain-end modification of RAFT polymers

Tue, 11/14/2017 - 07:18

Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY01702B, PaperIn-Hwan Lee, Emre H. Discekici, Shelby L. Shankel, Athina Anastasaki, Javier Read de Alaniz, Craig J. Hawker, David J. Lunn
We report a chain-end modification strategy for the quantitative conversion of thiol and thiocarbonylthio functional groups to bromides under mild conditions.
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Categories: Polymer Science News

Secondary structures of synthetic polypeptide polymers

Tue, 11/14/2017 - 04:13
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01725A, Review ArticleColin Bonduelle
Synthetic peptide-based polymers represent a unique class of macromolecules able to mimic natural proteins properties in material sciences since 1) they present the same macromolecular backbone than proteins, 2) they...
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Categories: Polymer Science News

Phosphine-sulfonate-based Nickel Catalysts: Ethylene Polymerization and Copolymerization with Polar-functionalized Norbornenes

Tue, 11/14/2017 - 04:13
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01661A, PaperGuangzhi Song, Wen-Min Pang, Weimin Li, Min Chen, Changle Chen
In this contribution, the effect of substitution on biaryl-based phosphine-sulfonate nickel catalysts is investigated. A series of [-(P,O)-2-(P-PhAr)-1-benzenesulfonato]NiPh(PPh3) nickel complexes (Ni-OMe, Ar = 2-[2',6'-(OMe)2-C6H3]-C6H4; Ni-H, Ar = 2-(C6H5)-C6H4; Ni-OiPr, Ar...
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Categories: Polymer Science News

Synthesis of Linear and Star Poly(ε-caprolactone) with Controlled and High Molecular Weights via Cyclic Trimeric Phosphazene Base Catalyzed Ring-Opening Polymerization

Mon, 11/13/2017 - 04:34
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01673E, PaperHuaike Li, Na Zhao, Chuan-Li ren, Shaofeng Liu, Zhibo Li
Poly(ε-caprolactone) with low catalyst loading and high molecular weights are highly desired considering their practical applications. In this work, a cyclic trimeric phosphazene base (CTPB) has been developed and applied...
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Categories: Polymer Science News

Visible-Light Responsive Hydrogen-Bonded Supramolecular Polymers Based on ortho-Tetrafluorinated Azobenzene

Mon, 11/13/2017 - 04:34
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01612C, PaperKang-Da Zhang, Tian-Guang Zhan, Meng-Di Lin, Jie Wei, Li-juan Liu, Meng-Yan Yun, Lin Wu, Si-Tai Zheng, Huan-Huan Yin, Lichun Kong
Novel visible-light responsive hydrogen-bonded supramolecular polymers have been successfully constructed by using a linear molecule, which consists of two ureido-pyrimidinone (UPy) moieties connected by a photochromic otho-tetrafluorinated azobenzene (TFAB) linker....
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Categories: Polymer Science News

Fabrication of multifunctional fluorescent organic nanoparticles with aggregation-induced emission feature through photo-initiated RAFT polymerization for biological imaging and drug delivery applications

Mon, 11/13/2017 - 04:34
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01563A, PaperXiaoyong Zhang, Ruming Jiang, Meiying Liu, Qiang Huang, Hongye Huang, Qing Wan, Yuanqing Wen, Jianwen Tian, Qian-Yong Cao, Yen Wei
Fluorescence organic nanoparticles (FONs) based on an aggregation-induced emission (AIE) dye have recently received increasing interest owing to their unique optical properties, water dispersibility and biocompatibility. However, fabrication of multifunctional...
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Categories: Polymer Science News

Self-assembled core-shell-corona multifunctional non-viral vector with AIE property for efficient hepatocytes targeting gene delivery

Fri, 11/10/2017 - 05:10
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01520H, PaperXiao-Qi Yu, Bing Wang, Ping Chen, Ji Zhang, Xiao-Chuan Chen, Yan-Hong Liu, Zheng Huang, Qing-Ying Yu, Ju-Hui Zhang, Wei Zhang, Xi Wei
With the aim to develop novel multifunctional gene delivery system that may overcome the common barriers in gene transfection, two amphiphilic molecules with tetraphenyl ethylene (TPE) as hydrophobic moiety and...
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Categories: Polymer Science News

Synthesis of Block Copolymers by Mechanistic Transformation from Photoinitiated Cationic Polymerization to RAFT Process

Fri, 11/10/2017 - 05:10
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01707C, CommunicationAntonino Puglisi, Eljesa Murtezi, Gorkem Yilmaz, Yusuf Yagci
A novel synthetic strategy for the synthesis of block copolymer based on mechanistic transformation from photoinitiated cationic polymerization to radical addition fragmentation transfer polymerization is presented. The process yielded polytetrahydrofuran-b-poly(methyl...
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Categories: Polymer Science News

Recyclable and Efficient Polyurethane-Ir Catalysts for Direct Borylation of Aromatic Compounds

Thu, 11/09/2017 - 05:35
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01509G, PaperAkihiro Kimura, Haruka Hayama, Jun-ya Hasegawa, Hassan Nageh, Yue Wang, Naofumi Naga, Mayumi Nishida, Tamaki Nakano
Four polyurethanes having 2,2'-bipyridyl moieties incorporated in the main chain were synthesized as novel polymer ligand for Ir(I)-catalyzed direct borylation of aromatic compounds. The polyurethanes were insoluble in common organic...
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Categories: Polymer Science News

Recent development of functional aliphatic polycarbonates in the construction of amphiphilic polymers

Thu, 11/09/2017 - 04:27
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01815K, Review ArticleYu Dai, Xiaojin Zhang
Amphiphilic polymers could form nanostructures by self-assembly, thus attract a significant attention from the scientists as the development of synthetic methodology and material science. In the construction of amphiphilic polymers,...
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Categories: Polymer Science News

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