Polymer Science News

Photocrosslinked PVDF-based star polymer coatings: An all-in-one alternative to PVDF/PMMA blends for outdoor applications

RSC - Polym. Chem. latest articles - Wed, 04/26/2017 - 06:04
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00580F, CommunicationGerald Lopez, Marc Guerre, Bruno Ameduri, Jean-Pierre Habas, Vincent Ladmiral
A 4-arm star PVDF was synthesized as an appealing alternative to PVDF/PMMA blends since it provides crosslinked PVDF transparent coatings via photocrosslinking. The process is very fast and versatile, the...
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Categories: Polymer Science News

Enhancing emission of hexa-peri-hexabenzocoronene-containing polynorbornene via electron donating, unsymmetric constitution and solvent effects

RSC - Polym. Chem. latest articles - Wed, 04/26/2017 - 06:04
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00359E, PaperChou-Yi Tsai, Qiang Zhang, Yi-Ze Wang, Jocelyn Shyong, Hsin-Lung Chen, Der-Jang Liaw
The organo-soluble and extremely stable polynorbornene PHNB-HPB with a hexaphenylbenzene (HPB) moiety was prepared by ring-opening metathesis polymerization (ROMP) followed by hydrogenation. The hexa-peri-hexabenzocoronene (HBC)-containing PHNB-HBC, which is insoluble in...
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Categories: Polymer Science News

Facile one-pot access to [small pi]-conjugated polymers via sequential bromination/direct arylation polycondensation

RSC - Polym. Chem. latest articles - Tue, 04/25/2017 - 10:57

Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY00332C, PaperHitoshi Saito, Jieran Chen, Junpei Kuwabara, Takeshi Yasuda, Takaki Kanbara
The synthesis of [small pi]-conjugated polymers starting from unfunctionalized aromatic monomers via sequential bromination/direct arylation polycondensation was investigated.
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Categories: Polymer Science News

Double Fluorescent Assay via [small beta]-Cyclodextrin Containing Conjugated Polymer as Biomimetic Material for Cocaine Sensing

RSC - Polym. Chem. latest articles - Tue, 04/25/2017 - 05:56
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00420F, PaperMustafa Arslan, Tulay Yilmaz, Emine Guler, Z. Pinar Gumus, Ebru Aldemir, Huseyin Akbulut, Hakan Coskunol, Suna Timur, Yusuf Yagci
Double fluorescent [small micro]-well assay that exploits novel conjugated polymer containing cyclodextrin (CD) as the key component is reported. For the construction of the cocaine bioassay, poly(p-phenylene) with CD units in...
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Categories: Polymer Science News

Influence of nanoparticle shapes on cellular uptake of paclitaxel loaded nanoparticles in 2D and 3D cancer models

RSC - Polym. Chem. latest articles - Tue, 04/25/2017 - 05:56
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00385D, PaperJiacheng Zhao, Hongxu Lu, Sandy Wong, Mingxia Lu, Pu Xiao, Martina Heide Stenzel
Enhanced cellular uptake and efficient penetration of nanocarriers inside tumors is paramount to a successful anti-cancer therapy. While many studies have shown the important role nanoparticle shape plays in cellular...
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Categories: Polymer Science News

Fluorinated Polymer-Photosensitizer Conjugates Enable Improved Generation of ROS for Anticancer Photodynamic Therapy

RSC - Polym. Chem. latest articles - Mon, 04/24/2017 - 10:51
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00522A, PaperJaqueline Wallat, Kristen Wek, Paul Chariou, Bradley Lynn Carpenter, Reza Ghiladi, Nicole F Steinmetz, Jonathan K Pokorski
Photodynamic therapy (PDT) is an adjuvant, non-invasive cancer treatment that is often limited by photosensitizer solubility and availably of oxygen in the tumor environment during treatment. This study describes the...
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Categories: Polymer Science News

Olefin Cross Metathesis and Ring Closing Metathesis in Polymer Chemistry

RSC - Polym. Chem. latest articles - Mon, 04/24/2017 - 06:41
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00340D, Review ArticleFern Sinclair, Mohammed Alkattan, Joelle Prunet, Michael Patrick Shaver
The use of olefin cross metathesis in preparing functional polymers, through either pre-functionalisation of monomers or post-polymerisation functionalisation is growing in both scope and breadth. The broad functional group tolerance...
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Categories: Polymer Science News

ATRP mediated encapsulation of Gibbsite: fixation of the morphology using a cross-linker

RSC - Polym. Chem. latest articles - Mon, 04/24/2017 - 05:41
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00226B, CommunicationOlessya Loiko, Anne B Spoelstra, Alexander VAN HERK, Jan Meuldijk, Johan P.A. Heuts
Using ethylene glycol dimethacrylate (EGDMA) as a cross-linker Gibbsite platelets were succesfully encapsulated fully using an ATRP-mediated emulsion polymerisation technique. Previously we reported, a "muffin-like" morphology which was obtained using...
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Discotic columnar liquid crystalline polymer semiconducting materials with high charge-carrier mobility via rational macromolecular engineering

RSC - Polym. Chem. latest articles - Mon, 04/24/2017 - 05:41
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00364A, PaperBin Mu, xingtian hao, Jian Chen, Qian Li, chunxiu zhang, Dongzhong Chen
Discotic liquid crystalline (DLC) polymers in columnar phases are fascinating and hopeful organic semiconducting materials owing to their combining DLC advantages with polymeric excellent processability and flexibility. Whereas synthetic challenges...
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Categories: Polymer Science News

Opportunities for dual RDRP agents in synthesizing novel polymeric materials

RSC - Polym. Chem. latest articles - Mon, 04/24/2017 - 05:41
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00344G, Review ArticleSamuel Pearson, Claude St Thomas, Ramiro Guerrero-Santos, Franck D'Agosto
Combining reversible-deactivation radical polymerization (RDRP) techniques in a single system provides access to exciting new polymeric materials which would be difficult to obtain by other means. Dual RDRP agents are...
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Categories: Polymer Science News

Thermoresponsive Gels Directly Obtained via Visible Light-Mediated Polymerization-Induced Self-Assembly with Oxygen Tolerance

RSC - Polym. Chem. latest articles - Mon, 04/24/2017 - 04:39
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00558J, CommunicationKaixuan Ren, Juan Perez-Mercader
In this report, a photoinduced living polymerization technique named photoinduced electron transfer-reversible addition-fragmentation chain transfer (PET-RAFT) polymerization is applied to polymerization-induced self-assembly to prepare poly(ethylene glycol)-block-poly(2-hydroxypropyl methacrylate) (PEG-b-PHPMA) copolymers and...
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Categories: Polymer Science News

Stimuli-Responsive Methionine-Based Zwitterionic Methacryloyl Sulfonium Sulfonate Monomer and Corresponding Antifouling Polymer with Tunable Thermosensitivity

RSC - Polym. Chem. latest articles - Fri, 04/21/2017 - 07:15
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00460E, PaperTanmoy Maji, Sanib Banerjee, Avijit Bose, Tarun K Mandal
This report describes design and synthesis of a zwitterionic [Boc-L-methionine-(2-methacryloylethyl)]sulfoniopropanesulfonate (METMASPS) monomer derived from methionine followed by its subsequent RAFT polymerization in water to produce zwitterionic polymer (PMETMASPS). The aqueous...
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Categories: Polymer Science News

Block Copolymer Synthesis in One Shot: Concurrent Metal-Free ATRP and ROP Processes Under Sunlight

RSC - Polym. Chem. latest articles - Fri, 04/21/2017 - 07:15
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00069C, CommunicationYusuf Yagci, Gorkem Yilmaz, Cansu Aydogan, Ceren Kutahya, Andrit Allushi
A completely metal-free strategy was developed by combining Atom Transfer Radical Polymerization (ATRP) and Ring Opening Polymerization (ROP) for the syntheses of block copolymers. These two different metal-free controlled/living polymerizations,...
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Categories: Polymer Science News

In situ synthesis of the Ag/poly(4-vinylpyridine)-block-polystyrene composited nanoparticles by dispersion RAFT polymerization

RSC - Polym. Chem. latest articles - Fri, 04/21/2017 - 05:15
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00473G, PaperHui Liu, Mingdu Ding, Zhonglin Ding, Chengqiang Gao, Wangqing Zhang
Metal/block-copolymer composited nanoparticles are interesting and they are usually prepared by incorporating metal nanoparticles or metal ions into pre-prepared block copolymer nanoparticles. Herein, a new method of one-pot synthesis of...
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Categories: Polymer Science News

Wholly biomass derivable sustainable polymers by ring-opening metathesis polymerisation of monomers obtained from furfuryl alcohol and itaconic anhydride

RSC - Polym. Chem. latest articles - Fri, 04/21/2017 - 05:15
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00486A, PaperYinjuan Bai, James Clark, Thomas James Farmer, Ian D. V. Ingram, Michael North
Ring-opening metathesis polymerisation (ROMP) of oxanorbornene esters by Grubbs second generation catalyst is used to prepare a range of wholly biomass-derivable homo and copolymers. Eight ester monomers are prepared by...
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Categories: Polymer Science News

The Synthesis of Hyperbranched Star Polymeric Ionic Liquid and the Application in Polymer Electrolyte

RSC - Polym. Chem. latest articles - Fri, 04/21/2017 - 05:15
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00499K, PaperAilian Wang, Hao Xu, Xu Liu, Rui Gao, Shi wang, Qian Zhou, Jie Chen, Xiangfeng Liu, Liaoyun Zhang
This research provides an effective approach to synthesize a hyperbranhced star polymeric ionic liquid (HBPS-(PVIMBr)x) with hyperbranched polystyrene core and poly(1-Butyl-3-Vinylimidazolium Bromide) arms via combination of atom transfer radical self-condensing...
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Switchable 19F MRI polymer theranostics: towards in situ quantifiable drug release

RSC - Polym. Chem. latest articles - Thu, 04/20/2017 - 10:11

Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY00345E, PaperA. V. Fuchs, A. P. Bapat, G. J. Cowin, K. J. Thurecht
A switchable polymeric 19F magnetic resonance imaging (MRI) contrast agent was synthesised whereby the transverse (T2) relaxation times increased as a therapeutic was released from a hyperbranched polymer (HBP) scaffold.
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Structure-Cytotoxicity Relationship of Drug-Initiated Polymer Prodrug Nanoparticles

RSC - Polym. Chem. latest articles - Wed, 04/19/2017 - 12:02
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00536A, PaperYinyin Bao, Julien Nicolas
CdA-based polymer prodrug nanoparticles were obtained by "drug-initiated" RAFT polymerization of squalenyl methacrylate (SqMA) from two different CdA-bearing chain transfer agents (CTAs) to evaluate the influence of the nature of...
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Categories: Polymer Science News

A Novel High-strength polymer hydrogel with Identifiability Prepared by One-pot Method

RSC - Polym. Chem. latest articles - Wed, 04/19/2017 - 12:02
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00563F, PaperMuzi Jing, Yang Fu, Xu Fei, Jing Tian, Hui Zhi, Haiyang Zhang, Longquan Xu, Xiuying Wang, Yi Wang
High-strength hydrogel with good biocompatibility and identifiability is challenging. Here, a new approach enabling simple one-pot method to synthesize a high-strength polymer hydrogel is presented on the basis of silicone,...
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Categories: Polymer Science News

Thermosensitive Spontaneous Gradient Copolymers with Block- and Gradient-like Features

RSC - Polym. Chem. latest articles - Wed, 04/19/2017 - 07:01
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00495H, PaperRoberto Yanez-Macias, Ihor Kulai, Jens Ulbrich, Turgay Yildirim, Pelin Sungur, Stephanie Hoeppener, Ramiro Guerrero-Santos, Ulrich Sigmar Schubert, Mathias Destarac, Carlos Guerrero-Sanchez, Simon Harrisson
Reversible addition-fragmentation chain transfer (RAFT) copolymerization was used to prepare copolymers of N-isopropyl acrylamide (NIPAM) and vinyl acetate (VAc) and with mole fractions of NIPAM ranging from 0.1 to 0.6...
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