Polymer Science News

Synthesis of Microporous Organic Polymer via Radical Polymerization of Fumaronitrile with Divinylbenzene

RSC - Polym. Chem. latest articles - Mon, 09/11/2017 - 08:03
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01240C, PaperFeifei Xie, Wei Hu, Lei Ding, Ke Tian, Zhengchen Wu, Lei Li
To circumvent the intractable disadvantages of hyper-cross-linked strategy based on Friedel-Crafts reaction, a new type of micporous organic polymers (MOPs) has been successfully prepared using fumaronitrile and divinylbenzene via alternating...
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Conjugated phenothiazine oxime esters as free radical photoinitiators

RSC - Polym. Chem. latest articles - Mon, 09/11/2017 - 08:03
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00797C, PaperXiaoyu Ma, Renquan Gu, Liujian Yu, Weixiang Han, Jie Li, Xiuyan Li, Tao Wang
Three novel phenothiazine-substituted oxime esters (Ph-PTZ-OXE, TPA-PTZ-OXE and CZ-PTZ-OXE) applicable to visible laser diodes (405 nm and 455 nm) were successfully designed and synthesised. The introduction of phenothiazine groups in...
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Categories: Polymer Science News

Biocompatible polythiophene-g-polycaprolactone copolymer as efficient dopamine sensor platform

RSC - Polym. Chem. latest articles - Mon, 09/11/2017 - 07:03
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01326D, PaperBrenda G. Molina, Anca-Dana Bendrea, Luminita Cianga, Elaine Armelin, Luis J del Valle, Ioan Cianga, Carlos Aleman
Amphiphilic copolymers consisting of an all conjugated polythiophene backbone and sparsely attached oligo-ε-caprolactone side chains have been prepared by anodic electropolymerization of hydroxymethyl-3,4-ethylenedioxythiophene (HMeEDOT) with a thiophene-ended oligo-ε-caprolactone macromonomer (Th-PCL),...
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Correction: The effects of polymer topology and chain length on the antimicrobial activity and hemocompatibility of amphiphilic ternary copolymers

RSC - Polym. Chem. latest articles - Mon, 09/11/2017 - 07:03
Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY90140B, Correction Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Rashin Namivandi-Zangeneh, Rebecca J. Kwan, Thuy-Khanh Nguyen, Jonathan Yeow, Frances L. Byrne, Stefan H. Oehlers, Edgar H. H. Wong, Cyrille Boyer
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Modular photo-induced RAFT polymerised hydrogel via thiol-ene click chemistry for 3D cell culturing

RSC - Polym. Chem. latest articles - Fri, 09/08/2017 - 06:20
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01038A, PaperVincent Tan, Duyen Nguyen, Robert Utama, Mohaddeseh Kahram, Francesca Ercole, John F Quinn, Michael R Whittaker, Thomas P. Davis, John Justin Gooding
Cell behaviour changes as a result of the local environment, particularly when transitioning from two dimensional (2D) to three dimensional (3D) environments. It has been acknowledged there is a need...
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Hexamethylphosphoramide as a Highly Reactive Catalyst for Reversible-Deactivation Radical Polymerization of MMA with in-situ Formed Alkyl Iodide Initiator

RSC - Polym. Chem. latest articles - Fri, 09/08/2017 - 05:20
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01186E, PaperYan-an Wang, Yan Shi, Zhi-Feng Fu, Wantai Yang
Hexamethylphosphoramide (HMPA) was found to be a novel and highly efficient organic catalyst for reversible-deactivation radical polymerization (RDRP) of methyl methacrylate (MMA) with in situ formed alkyl iodide initiator. The...
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Categories: Polymer Science News

Grafting well-defined CO2-responsive polymers to cellulose nanocrystals via nitroxide-mediated polymerisation: effect of graft density and molecular weight on dispersion behaviour

RSC - Polym. Chem. latest articles - Fri, 09/08/2017 - 05:20
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01258F, PaperJoe Glasing, Jean Bouchard, Philip Jessop, Pascale Champagne, Michael F. Cunningham
A grafting to approach on a cellulose derivative using reversible deactivation radical polymerisation (RDRP) is reported for the first time. SG1-capped poly(N,N-(diethylamino)ethyl methacrylate) (PDEAEMA) and poly(N-3-(dimethylamino) propyl methacrylamide) (PDMAPMAm) macroalkoxyamines...
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Multivalent Polyrotaxane Vectors as Adaptive Cargo Complexes for Gene Therapy

RSC - Polym. Chem. latest articles - Thu, 09/07/2017 - 06:02
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01256J, PaperArdeleanu Rodinel, Andrei Dascalu, Andrei Neamtu, Dragos Peptanariu, Cristina M. Uritu, Stelian Maier, Alina Nicolescu, Bogdan Simionescu, Mihai Barboiu, Mariana Pinteala
The paper describes the philosophy to design, and a procedure to construct polyrotaxane-type gene carriers, together with the proof of their ability to conjunctively cooperate in order to generate cargo-complexes...
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Pulsed Laser Polymerisation Studies of Methyl Methacrylate in the presence of AlCl3 and ZnCl2 - Evidence of propagation catalysis

RSC - Polym. Chem. latest articles - Wed, 09/06/2017 - 09:49
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01355H, PaperJing Jiang, Leesa Smith, Jason Tyrell, Michelle Coote
A series of pulsed laser polymerisation (PLP) experiments in conjunction with the size exclusion chromatography (SEC) was carried out to investigate the effect of Lewis acid AlCl3 and ZnCl2 on...
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Categories: Polymer Science News

Multicellular tumor spheroids: a relevant 3D model for the in vitro preclinical investigation of polymer nanomedicines

RSC - Polym. Chem. latest articles - Wed, 09/06/2017 - 07:48

Polym. Chem., 2017, 8,4947-4969
DOI: 10.1039/C7PY00559H, Review ArticleGianpiero Lazzari, Patrick Couvreur, Simona Mura
Application of 3D multicellular tumor spheroids to the investigation of polymer nanomedicines.
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Categories: Polymer Science News

Self-assembly of poly(vinylidene fluoride)-block-poly(2-(dimethylamino)ethylmethacrylate) block copolymers prepared by CuAAC click coupling

RSC - Polym. Chem. latest articles - Wed, 09/06/2017 - 07:48

Polym. Chem., 2017, 8,5203-5211
DOI: 10.1039/C7PY00346C, PaperMarc Guerre, Mona Semsarilar, Cedric Totee, Gilles Silly, Bruno Ameduri, Vincent Ladmiral
Self-assembly of PDMAEMA-b-PVDF block copolymers.
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Categories: Polymer Science News

Cationic disulfide-functionalized worm gels

RSC - Polym. Chem. latest articles - Wed, 09/06/2017 - 06:47
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01306J, PaperLiam Ratcliffe, Kieran Bentley, Riccardo Wehr, Nicholas J Warren, Brian R Saunders, Steven P Armes
The recent development of polymerization-induced self-assembly (PISA) has facilitated the rational synthesis of a range of diblock copolymer worms, which hitherto could only be prepared via traditional post-polymerization processing in...
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Categories: Polymer Science News

Supramolecular polymers based on pillar[5]arene-fused cryptand: design, fabrication and degradation with fluorescence changing

RSC - Polym. Chem. latest articles - Wed, 09/06/2017 - 05:46
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01096F, PaperQi Wang, Ming Cheng, Lu Tian, Quli Fan, Juli Jiang
Novel linear supramolecular polymers based on the pillar[5]arene-fused cryptand have been constructed easily and conveniently, in which three orthogonal interactions: quadruple hydrogen bonding, cryptand-based host-guest recognition, and pillar[5]arene-based host-guest interaction...
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Categories: Polymer Science News

Spin Fluorescence Silencing Enables an Efficient Thermally Driven Self-Reporting Polymer Release System

RSC - Polym. Chem. latest articles - Tue, 09/05/2017 - 06:33
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01437F, CommunicationHatice Mutlu, Christian W. Schmitt, Nils Jasinski, Hendrik Woehlk, Kathryn Fairfull-Smith, James P Blinco, Christopher Barner-Kowollik
We pioneer a self-reporting profluorescent release system driven by the thermo-reversible dynamic covalent ligation of chromophores to a lateral polymer chain, whose fluorescence is silenced by unpaired spins prior to...
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Categories: Polymer Science News

Mechanical and Responsive Properties of Temperature-Responsive Gels Prepared via Atom Transfer Radical Polymerization

RSC - Polym. Chem. latest articles - Tue, 09/05/2017 - 05:30
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01323J, PaperChisa Norioka, Akifumi Kawamura, Takashi Miyata
Temperature-responsive poly(N-isopropylacrylamide) (PNIPAAm) gels were prepared via atom transfer radical polymerization (ATRP), and their mechanical and responsive properties were investigated from the viewpoint of their network homogeneity. When the PNIPAAm...
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Categories: Polymer Science News

Modeling the formation and thermomechanical properties of polybenzoxazine thermosets

RSC - Polym. Chem. latest articles - Tue, 09/05/2017 - 05:30
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00995J, PaperShamil Saiev, Leila Bonnaud, Philippe Dubois, David Beljonne, Roberto Lazzaroni
We present a comparative molecular modeling study of the thermomechanical properties of crosslinked benzoxazine resins. A crosslinking algorithm was developed in order to simulate the thermal curing of the thermoset...
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Categories: Polymer Science News

Flow-IEG enables programmable thermodynamic properties in sequence-defined unimolecular macromolecules

RSC - Polym. Chem. latest articles - Tue, 09/05/2017 - 04:29

Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY01204G, PaperAmanda C. Wicker, Frank A. Leibfarth, Timothy F. Jamison
Improvements to the semi-automated synthesis of monodisperse oligomers using continuous flow chemistry enables structure-property studies on libraries of these valuable intermediates.
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Categories: Polymer Science News

Lamellar Mesoscopic Organization of Supramolecular Polymers: a Necessary Pre-ordering Secondary Structure

RSC - Polym. Chem. latest articles - Mon, 09/04/2017 - 07:09
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01219E, PaperJeremie Lacombe, Corinne Soulie-Ziakovic
Thymine-functionalized telechelic poly(propylene glycol) (PPG) chains of 460-4000 g/mol present a long-range ordered lamellar microphase separation due to thymine crystallization. This organization is lost if the difference of polarity between...
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Categories: Polymer Science News

One-pot synthesis of PLA-b-PHEA via sequential ROP and RAFT polymerizations

RSC - Polym. Chem. latest articles - Mon, 09/04/2017 - 07:09
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01176H, PaperUlrich Sigmar Schubert, Ilknur Yildirim, Pelin Sungur, Anna C. Crecelius-Vitz, Turgay Yildirim, Diana Kalden, Stephanie Hoeppener, Matthias Westerhausen, Christine Weber
A block copolymer library of polylactide (PLA) and poly(2-hydroxyethyl acrylate) (PHEA) was prepared via sequential ring opening polymerization (ROP) and reversible addition fragmentation chain transfer (RAFT) polymerization in a one-pot...
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Categories: Polymer Science News

Investigation of Thermoreversible Polymer Networks by Temperature Dependent Size Exclusion Chromatography

RSC - Polym. Chem. latest articles - Fri, 09/01/2017 - 10:33
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01262D, PaperJosef Brandt, Johannes Lenz, Kai Pahnke, Friedrich Georg Schmidt, Christopher Barner-Kowollik, Albena Lederer
Herein we present an advanced analytical protocol for investigating the debonding of thermoreversible polymer networks to enable their in-depth understanding in applications ranging from self-healing materials to 3D additive manufacturing...
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Categories: Polymer Science News

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