Polymer Science News

Exploiting CH/π interactions in robust supramolecular adhesives

RSC - Polym. Chem. latest articles - Fri, 07/20/2018 - 10:31

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00592C, PaperTaiki Yamate, Takayuki Fujiwara, Toru Yamaguchi, Hiroshi Suzuki, Motohiro Akazome
CH/π interactions drive the high adhesion strength and high water and humidity resistances of a supramolecular adhesive.
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Aromatic polyesters from biosuccinic acid

RSC - Polym. Chem. latest articles - Fri, 07/20/2018 - 10:31

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00862K, CommunicationGabriel N. Short, Ha T. H. Nguyen, Patricia I. Scheurle, Stephen A. Miller
Biosuccinic acid, obtained via sugar fermentation, is cyclodimerized and oxidized to yield building blocks for aromatic polyesters with high glass transition temperatures.
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Facile surfactant-free synthesis of polybenzoxazine-based polymer and nitrogen-doped carbon nanospheres

RSC - Polym. Chem. latest articles - Wed, 07/18/2018 - 06:47
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00911B, PaperJianming Zhao, M. Rehan H. Shah Gilani, Zhongyuan Liu, Rafael Luque, Guobao Xu
Strict control of the monodispersity and size of nanoparticles less than 200 nm is a prerequisite for many applications. However, template- and surfactant-free synthesis of monodisperse polymer and carbon nanospheres...
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Facile Fabrication of Positively-Charged Helical Poly(phenyl isocyanide)s Modified Multi-Stimuli-Responsive Nanoassembly Capable of High Efficiency Cell-Penetrating, Ratiometric Fluorescence Imaging, and Rapid Intracellular Drug Release

RSC - Polym. Chem. latest articles - Tue, 07/17/2018 - 02:11
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00865E, PaperWen-Ming Zhang, Jian Zhang, Zhu Qiao, Huan-Ying Liu, Zong-Quan Wu, Jun Yin
The sub-lethal drug concentration in cancer therapy always occurred because of the systematic barriers existed in the drug-resistant tumor microenvironment. To circumvent this issue, accurate and rapid drug release in...
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Copper Catalyzed Synthesis of Conjugated Copolymers using Direct Arylation Polymerization

RSC - Polym. Chem. latest articles - Mon, 07/16/2018 - 10:55
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00913A, CommunicationRobert Pankow, Liwei Ye, Barry Thompson
Direct Arylation Polymerization (DArP) has almost exclusively relied on noble metal catalysts, such as Pd. We report the first Cu-catalyzed synthesis of conjugated polymers using DArP. The polymers synthesized show...
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Assessment of TEMPO as a Thermally Activatable Base Generator and Its Use in Initiation of Thermally-Triggered Thiol–Michael Addition Polymerizations

RSC - Polym. Chem. latest articles - Fri, 07/13/2018 - 22:33
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00662H, PaperXinpeng Zhang, Sijia Huang, Maciej Podgórski, Xun Han, Mauro Claudino, Christopher N Bowman
We present a thermally initiated thiol-Michael reaction based on initiation via the temperature-dependent thiol-TEMPO oxidation-reduction reaction. In the presence of a thiol, 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO, pKa = 5.5) is reduced to...
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Quantitative Studies on the p-Substituent Effect of Phenolic Component on the Polymerization of Benzoxazines

RSC - Polym. Chem. latest articles - Thu, 07/12/2018 - 07:49
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00760H, PaperSeishi Ohashi, Daniela Iguchi, Tyler Heyl, Phwey Gil, Daniel J. Lacks, Pablo Froimowicz, Hatsuo Ishida
The pure monofunctional benzoxazines substituted by either electron donating or withdrawing group are synthesized to verify the electronic effect in the polymerization behaviors without any complicated factors of the impurities....
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Preparation of Semifluorinated Poly(meth)acrylates by Improved Photo-Controlled Radical Polymerization without the Use of Fluorinated RAFT Agent: Facilitating Surface Fabrication with Fluorinated Materials

RSC - Polym. Chem. latest articles - Wed, 07/11/2018 - 10:37
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00990B, PaperMao Chen, Qinzhi Quan, honghong gong
Fluorinated polymers have attracted increasing interests in broad areas, and the access to such polymers with low-cost agents and simple conditions would offer improved application opportunities for both academia and...
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Amphiphilic polypyrrole-poly(Schiff base) copolymers with poly(ethylene glycol) side chains: Synthesis, properties and applications

RSC - Polym. Chem. latest articles - Wed, 07/11/2018 - 07:32
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00762D, PaperBrenda G. Molina, Luminita Cianga, Anca-Dana Bendrea, Ioan Cianga, Luis J del Valle, Francesc Estrany, Carlos Aleman, Elaine Armelin
New amphiphilic, poly(ethylene glycol) (PEG)-grafted, random, intrinsically conducting copolymers, which combine three different functionalities, have been engineered, prepared and characterized. Specifically, these "rod-coil" type copolymers bear conducting polypyrrole (PPy) and...
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Correction: A crown-ether-based moldable supramolecular gel with unusual mechanical properties and controllable electrical conductivity prepared by cation-mediated cross-linking

RSC - Polym. Chem. latest articles - Tue, 07/10/2018 - 13:16
Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY90107D, Correction Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Jaehyeon Park, Ka Young Kim, Chaelin Kim, Ji Ha Lee, Ju Hyun Kim, Shim Sung Lee, Yeonweon Choi, Jong Hwa Jung
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Strategies to combine the ROP with ATRP or RAFT polymerization for the synthesis of biodegradable polymeric nanoparticles for biomedical applications

RSC - Polym. Chem. latest articles - Mon, 07/09/2018 - 11:51
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00649K, Review ArticleUmberto Capasso Palmiero, Mattia Sponchioni, Nicolo Manfredini, Matteo Maraldi, Davide Moscatelli
The architecture, composition, and molecular weight (MW) are important parameters that affect the final end-use of polymers and copolymers made via free radical polymerization and of the nanoparticles they compose....
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The effect of fluorination on chain transfer reactions in the radical polymerization of oligo ethylene glycol ethenesulfonate monomers

RSC - Polym. Chem. latest articles - Mon, 07/09/2018 - 11:51
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00623G, PaperHubertus Burchardt-Tofaute, Mukundan Thelakkat
We synthesized graft copolymers comprising a poly(ethenesulfonate) (PES) backbone with oligo ethylene glycol or oligo perfluoropolyether side-chains for the first time. The effect of fluorination on the polymerization of oligo...
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Synthesis of Polyolefin Elastomers from Unsymmetrical [small alpha]-diimine Nickel Catalyzed Olefin Polymerization

RSC - Polym. Chem. latest articles - Mon, 07/09/2018 - 10:51
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00725J, PaperJun Fang, Xuelin Sun, You-Gui Li, Changle Chen
Due to a unique chain walking process, [small alpha]-diimine nickel catalysts produce variously branched polyolefins using only ethylene as the feedstock. Ligand structures and polymerization conditions can exert influences over polymer...
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Compartmentalized nanoparticles in aqueous solution through hierarchical self-assembly of triblock glycopolymers

RSC - Polym. Chem. latest articles - Mon, 07/09/2018 - 10:51
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00792F, PaperAlberto Piloni, Andreas Walther, Martina Heide Stenzel
Amphiphilic block copolymers can elegantly assemble in water to form well defined nano-object and through intellligent design or the polymers it is possible to efficiently prepare functional materials for biomedical...
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Categories: Polymer Science News

Correction: An injectable hyaluronic acid/PEG hydrogel for cartilage tissue engineering formed by integrating enzymatic crosslinking and Diels-Alder "click chemistry"

RSC - Polym. Chem. latest articles - Fri, 07/06/2018 - 07:15
Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY90106F, Correction Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Feng Yu, Xiaodong Cao, Yuli Li, Lei Zeng, Bo Yuan, Xiaofeng Chen
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Dynamic Diselenide-Containing Polyesters from Alcoholysis/Oxidation of [gamma]-Butyroselenolactone

RSC - Polym. Chem. latest articles - Fri, 07/06/2018 - 05:14
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00736E, PaperCan Wang, Xianwei An, Minglun Pang, Zhengbiao Zhang, Xiulin Zhu, Jian Zhu, Filip Du Prez, Xiangqiang Pan
A versatile protocol for the synthesis of a variety of multiresponsive diselenide-containing polyesters was investigated. It consists of a one-pot, two-step process with the generation of a selenol by nucleophilic...
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A thermo-/pH-Responsive Hydrogel (PNIPAM-PDMA-PAA) with Diverse Nanostructures and Gel behaviors as a General Drug Carrier for Drug Release

RSC - Polym. Chem. latest articles - Thu, 07/05/2018 - 11:51
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00838H, PaperYan Chen, Yuting Gao, Lucilia da Silva, Rogerio P. Pirraco, Mengdi Ma, Liming Yang, Rui L. Reis, Jie Chen
The aim of this research was the development of thermo- or pH-responsive hydrogels based on H-bonds for the sustained release of the small-molecule model drug Methylene blue (MB). The thermo-...
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Cationic and hydrolysable branched polymers by RAFT for complexation and controlled release of dsRNA

RSC - Polym. Chem. latest articles - Thu, 07/05/2018 - 09:50
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00804C, PaperAlexander Cook, Raoul Peltier, Matthias Hartlieb, Richard Whitfield, Guillaume Moriceau, James Burns, David Haddleton, Sebastien Perrier
The controlled release of nucleic acids from cationic polymers is an important criteria for the design of gene delivery systems, and can be difficult to achieve due to the persistent...
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Categories: Polymer Science News

Closed-cell, emulsion-templated hydrogels for latent heat storage applications

RSC - Polym. Chem. latest articles - Thu, 07/05/2018 - 06:48
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00785C, CommunicationHaoguan Gui, Tao Zhang, Qipeng Guo
We report the fabrication of closed-cell hydrogel polyHIPEs (HG-PHs). The HG-PHs with closed-cell structures were prepared through light-induced, interfacially initiated radical polymerization of Pickering high internal phase emulsions. These HG-PHs...
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Fully alternating and regioselective ring-opening copolymerization of phthalic anhydride with epoxides using highly active metal-free lewis pairs as a Catalyst

RSC - Polym. Chem. latest articles - Wed, 07/04/2018 - 03:15
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00715B, PaperAnjaneyulu Kanji, Sreenath Pappuru, Debashis Chakraborty
Recent work has been directed to the design of metal-free Lewis pair catalysts for ring-opening alternating copolymerization (ROAP) reactions to enhance both activity and selectivity. While the simplest type of...
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