Polymer Science News

Diels-Alder cycloaddition and RAFT chain end functionality: an elegant route to fullerene end-capped polymers with control over molecular mass and architecture

RSC - Polym. Chem. latest articles - Tue, 04/11/2017 - 07:39
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00394C, PaperAnna Isakova, Christian George Burton, Daniel Jozef Nowakowski, Paul Topham
Fullerene C60 functionalised polymers (FFPs) have found numerous applications from photovoltaic devices to photodynamic therapy. Polymer end-capping is one way to fabricate FFPs since it provides enhanced control over the...
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Categories: Polymer Science News

Systematic Synthesis of Pectin-g-(Sodium Acrylate-co-N-Isopropylacrylamide) Interpenetrating Polymer Network for Mere/Synergistic Superadsorption of Dyes/M(II): Comprehensive Determination of Physicochemical Changes in Loaded Hydrogels

RSC - Polym. Chem. latest articles - Tue, 04/11/2017 - 04:38
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00316A, PaperNAYAN RANJAN Ranjan SINGHA, Mrinmoy Karmakar, Manas Mahapatra, Himarati Mondal, Arnab Dutta, Chandan Roy, Pijush Kanti Chattopadhyay
A new interpenetrating polymer network superadsorbent (IPNS) hydrogel, possessing unprecedented physicochemical properties/swellability and excellent recyclability, has been synthesized, via solution polymerization of monomers (i.e. sodium acrylate, SA and N-isopropylacrylamide, NIPA)...
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Categories: Polymer Science News

Synthesis of highly reactive polyisobutylene by catalytic chain transfer in hexanes at elevated temperatures; Determination of the kinetic parameters

RSC - Polym. Chem. latest articles - Mon, 04/10/2017 - 04:29
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00415J, PaperRajasekhar Tota, Jack Emert, Rudolf Faust
The kinetics and mechanism of the polymerization of isobutylene (IB) using ethylaluminum dichloride (EADC)[round bullet, filled]bis(2-chloroethyl) ether (CEE) complex as catalyst in conjunction with tert-butyl chloride (t-BuCl) as initiator in hexanes at...
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Categories: Polymer Science News

Synthesis of Photoresponsive Main-Chain Oligomers with Azobenzene Moieties via ADMET Oligomerization and their Micellization Properties

RSC - Polym. Chem. latest articles - Mon, 04/10/2017 - 04:29
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00426E, PaperClement Appiah, Georg Woltersdorf, Wolfgang H Binder
We report the synthesis of azobenzene functionalized linear unsaturated/saturated polyolefine-oligomers. Using mild reaction conditions and different ruthenium-based catalysts, the azobenzene moieties are presisely placed in olefin chains via acyclic diene...
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Categories: Polymer Science News

Sequence-coded ATRP Macroinitiators

RSC - Polym. Chem. latest articles - Fri, 04/07/2017 - 03:54
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00496F, CommunicationSofia Telitel, Benoit Petit, Salome Poyer, Laurence Charles, Jean-Francois Lutz
Sequence-coded oligourethanes were tested as macroinitiators for the atom transfer radical polymerization (ATRP) of styrene. These oligomers were synthesized by solid-phase orthogonal iterative chemistry and transformed into ATRP initiators using...
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Categories: Polymer Science News

Direct arylation polymerization of asymmetric push-pull aryl halides

RSC - Polym. Chem. latest articles - Thu, 04/06/2017 - 11:41

Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY00237H, CommunicationLiyan You, Saadia T. Chaudhry, Yan Zhao, Junchen Liu, Xikang Zhao, Jiazhi He, Jianguo Mei
Recently, direct arylation polymerization (DArP) has emerged as a greener polymerization method for donor-acceptor (D-A) type conjugated polymers.
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Categories: Polymer Science News

The Living Anionic Polymerization of Activated Aziridines: Systematic Study of Reaction Conditions and Kinetics

RSC - Polym. Chem. latest articles - Thu, 04/06/2017 - 04:32
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00436B, PaperElisabeth Rieger, Tassilo Gleede, Katja Weber, Angelika Manhart, Manfred Wagner, Frederik R Wurm
"A living race" - polymerization kinetics of anionic polymerizations depend strongly on solvent polarity and reactivity of the growing chain end. Both the carb- and oxyanionic polymerization is under control...
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Categories: Polymer Science News

Triple-Stimuli-Responsive Ferrocene-Containing Homopolymer by RAFT Polymerization

RSC - Polym. Chem. latest articles - Thu, 04/06/2017 - 03:32
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00091J, PaperXue Jiang, Ruru Li, Chun Feng, Guolin Lu, Xiaoyu Huang
Well-defined ferrocene-containing homopolymers were synthesized by RAFT homopolymerization of an acrylate monomer bearing a ferrocene (Fc) unit and an N,N-diethylamino ethyl (DEAE) group, i.e. 2-(3-(N-(2-(diethylamino)ethyl)- acrylamido)propanoyloxy)ethyl ferrocenecarboxylate (Fc-DEAE-AM). As an...
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Synthesis of diblock copolymers consisting of POSS-containing random methacrylate copolymers and polystyrene and their cross-linked microphase-separated structure via fluoride ion-mediated cage scrambling

RSC - Polym. Chem. latest articles - Wed, 04/05/2017 - 12:16

Polym. Chem., 2017, Advance Article
DOI: 10.1039/C6PY02236G, PaperKousuke Tsuchiya, Yoshihito Ishida, Atsushi Kameyama
POSS-containing diblock copolymers were synthesized for the formation of cross-linked microphase-separated structure.
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Hollow amphiphilic crosslinked nanocapsules from sacrificial silica nanoparticle templates and their application as dispersants for oil spill remediation

RSC - Polym. Chem. latest articles - Wed, 04/05/2017 - 11:16

Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY00342K, PaperKyle C. Bentz, Muhammad Ejaz, Scarlett Arencibia, Naomi Sultan, Scott M. Grayson, Daniel A. Savin
Hollow nanocapsules were constructed using a sacrificial silica scaffold to produce novel oil remediation agents.
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Categories: Polymer Science News

Elastomeric polyethylenes accessible via ethylene homo-polymerization using an unsymmetrical [small alpha]-diimino-nickel catalyst

RSC - Polym. Chem. latest articles - Wed, 04/05/2017 - 07:15
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00434F, PaperXinxin Wang, Linlin Fan, Yanping Ma, Cunyue Guo, Gregory Solan, Yang Sun, Wen Hua Sun
Five types of unsymmetrical bis(arylimino)acenaphthenes, 1-[2,4,6-(CHPh2)3C6H2N]-2-(ArN)C2C10H6 (Ar = 2,6-Me2Ph L1, 2,6-Et2Ph L2, 2,6-i-Pr2Ph L3, 2,4,6-Me3Ph L4, 2,6-Et2-4-MePh L5), each containing a single N-2,4,6-tribenzhydrylphenyl group, have been prepared and fully characterized....
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Highly Thermal Conductive Resins formed from Wide-Temperature-Range Eutectic Mixtures of Liquid Crystalline Epoxies Bearing Diglycidyl Moieties at the Side Positions

RSC - Polym. Chem. latest articles - Wed, 04/05/2017 - 07:15
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00243B, PaperYoungsu Kim, Hyeonuk Yeo, Nam-Ho You, Se Gyu Jang, Seokhoon Ahn, Kwang-Un Jeong, Seung Hee Lee, Munju Goh
To develop advanced thermally conductive epoxy resins with liquid crystallinity, three novel liquid crystalline epoxies (LCEs) were synthesized via the substitution of phenylcyclohexyl (PCH) mesogenic moieties into the 2,5 positions...
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High-Throughput Polymer Screening in Microreactors: Boosting the Passerini-Three Component Reaction

RSC - Polym. Chem. latest articles - Wed, 04/05/2017 - 06:14
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00360A, PaperJoris Haven, Evelien Baeten, Jonathan Claes, Joke Vandenbergh, Tanja Junkers
The Passerini three-component reaction (Passerini-3CR) is studied via on-line microreactor/electrospray ionisation mass spectrometry (MRT/ESI-MS) reaction monitoring to demonstrate the high-throughput screening potential of continuous microreactors for macromolecular design. The Passerini-3CR...
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Categories: Polymer Science News

Norbornene-modified poly(glycerol sebacate) as a photocurable and biodegradable elastomer

RSC - Polym. Chem. latest articles - Tue, 04/04/2017 - 06:07

Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY00323D, PaperYi-Cheun Yeh, Liliang Ouyang, Christopher B. Highley, Jason A. Burdick
Photocurable norbornene-functionalized poly(glycerol sebacate) (Nor-PGS) has been developed to fabricate cytocompatible, biodegradable and elastomeric scaffolds for tissue engineering applications.
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Categories: Polymer Science News

CO2-stimulated morphology transition of ABC miktoarm star terpolymer assemblies

RSC - Polym. Chem. latest articles - Tue, 04/04/2017 - 05:06
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00214A, PaperMeng Huo, Haotian Du, Min Zeng, Long Pan, Tommy Fang, Xu-Ming Xie, Yen Wei, Jinying Yuan
The integration of stimuli-responsive polymers with polymeric assemblies enables exquisite control over their nanostructures. Herein, we report the CO2-regulated self-assembly behaviors of a series of amphiphilic miktoarm star terpolymers star-[poly(ethylene...
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Categories: Polymer Science News

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