Polymer Science News

Radiant star nanoparticle prodrugs for the treatment of intracellular alveolar infections

RSC - Polym. Chem. latest articles - Mon, 03/26/2018 - 01:13
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00202A, PaperDebobrato Das, Selvi Srinivasan, Fiona Brown, Fang Su, Anika Burrell, Justin Kollman, Almar Postma, Daniel Ratner, Patrick Stayton, Anthony J Convertine
Radiant star nanoparticle (RSN) prodrugs were synthesized in a two-step process by first homopolymerizing RAFT transmers followed by copolymerization from the hyperbranched polymer core. Two trithiocarbonate-based transmers were synthesized containing...
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Metallocene Influence on Poly(Cyclosilane) Structure and Properties

RSC - Polym. Chem. latest articles - Mon, 03/26/2018 - 00:13
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00312B, CommunicationCarlton P. Folster, Rebekka S Klausen
Poly(cyclosilane)s, conjugated polymers inspired by crystalline silicon, are synthesized by dehydrocoupling polymerization promoted by group 4 metallocenes. Changes in metallocene structure and reactivity are correlated with changes in poly(cyclosilane) chain...
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Categories: Polymer Science News

Dynamically Crosslinked Carbon Dots/Biopolymer Hydrogels Exhibiting Fluorescence and Multi-stimuli Logic-gate Response

RSC - Polym. Chem. latest articles - Sun, 03/25/2018 - 22:10
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00165K, PaperChun Shen, Yue Zhao, Hou Liu, Yingnan Jiang, Na Li, Shaowei Lan, Huizheng Bao, Bai Yang, Quan Lin
Intelligent soft materials have been intensively investigated during the past decades. Herein, nanocomposite hydrogels are constructed for naked-eye detection of multiple external stimuli. The nanocomposite hydrogels were prepared by the...
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Categories: Polymer Science News

Linear Dendronized Polyols as a Multifunctional Platform for a Versatile and Efficient Fluorophore Design

RSC - Polym. Chem. latest articles - Fri, 03/23/2018 - 11:31
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00193F, PaperYing Li, Katharina Huth, Edzna Garcia, Benjamin J. Pedretti, Yugang Bai, Gretchen Vincil, Rainer Haag, Steven C. Zimmerman
Fluorescent linear dendronized polyols (LDPs) were prepared in two steps involving a ring-opening metathesis polymerization (ROMP) followed by acid-catalyzed deprotection. The resulting water-soluble fluorophores are compact in size (< 6...
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Categories: Polymer Science News

Alternating Ring-opening Copolymerization of Phthalic Anhydride with Epoxides Catalysed by Salophen Chromium(III) Complexes. An effect of substituents in salophen ligands

RSC - Polym. Chem. latest articles - Fri, 03/23/2018 - 04:28
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00048D, PaperKarol Bester, Wiktor Bukowski, Agnieszka Bukowska, Krzysztof Hus, Bogdan Mysliwiec, Danuta Tomczyk, Pawel Urbaniak
An effect of ligand structure on the catalytic activity of salophen chromium(III) complexes in the ring-opening copolymerization of phthalic anhydride with a series of epoxides was studied. The catalytic activity...
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Categories: Polymer Science News

Diels-Alder Dynamic Crosslinked Polyurethane/polydopamine Composites with NIR Triggered Self-healing Function

RSC - Polym. Chem. latest articles - Fri, 03/23/2018 - 04:28
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00162F, PaperLi Yang, Xili Lu, Zhanhua Wang, Hesheng Xia
A new kind of ultrafast near-infrared light responsive shape memory assisted self-healing polymer composites were prepared by introducing polydopamine particles (PDAPs) into polyurethane containing Diels-Alder bonds. The mechanical properties of...
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Categories: Polymer Science News

Combining benzoxazine and ketene chemistries for self-healing of high performance thermoset surfaces

RSC - Polym. Chem. latest articles - Fri, 03/23/2018 - 02:27
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00293B, PaperMustafa Arslan, Amir Motallebzadeh, Baris Kiskan, A. Levent Demirel, Volkan Kumbaraci, Yusuf Yagci
A novel strategy for the synthesis and characterization of self-healable polybenzoxazine based high performance thermoset surfaces is presented. The method involves the preparation of polymeric benzoxazine precursors from simple chemicals...
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Categories: Polymer Science News

Functionalization of Polyfluorene-Wrapped Carbon Nanotubes via Copper-Mediated Azide-Alkyne Cycloaddition

RSC - Polym. Chem. latest articles - Fri, 03/23/2018 - 00:27
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00377G, PaperDarryl Fong, Grace Andrews, Alex Adronov
Developing methodologies that efficiently functionalize carbon nanotubes without damaging nanotube optoelectronic properties is an ongoing challenge. Here, we examine the scope of Copper-Mediated Azide-Alkyne Cycloaddition (CuAAC) for coupling an azide-containing...
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Categories: Polymer Science News

Multi-Component Post-Polymerization Modification Reactions of Polymers Featuring Lignin-Model Compounds

RSC - Polym. Chem. latest articles - Thu, 03/22/2018 - 23:27
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C7PY01923H, PaperRyohei Kakuchi, Satoshi Yoshida, Takasuke Sasaki, Shigeyoshi Kanoh, Katsuhiro Maeda
Lignin-derived chemicals, such as vanillin and syringaldehyde, are representative bio-renewable monomer building blocks for polymer chemistry. When considering the chemical structures of vanillin and syringaldehyde, they instinctively feature aldehyde groups...
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Categories: Polymer Science News

Synthesis, self-assembly and drug release behaviors of reduction-labile multi-responsive block miktobrush quaterpolymers with linear and V-shaped grafts

RSC - Polym. Chem. latest articles - Thu, 03/22/2018 - 10:16

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00245B, PaperWentao Wu, Wenxue Dai, Xiaoqi Zhao, Jian Zhang, Youliang Zhao
Stimuli-tunable topological/morphological transitions and drug release properties based on novel disulfide-functionalized coil-comb-coil quaterpolymers were revealed.
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Categories: Polymer Science News

Self-healing ionomer crosslinked by a bis-bidentate halogen bond linker: A way to hard and healable coatings

RSC - Polym. Chem. latest articles - Thu, 03/22/2018 - 05:14
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00149A, PaperUlrich Sigmar Schubert, Jan Dahlke, Ronny Tepper, Robert Geitner, Stefan Zechel, Juergen Vitz, Robin Kampes, Juergen Popp, Martin D. Hager
In this work we present the first incorporation of bis-bidentate halogen bond linkers into an organic healing ionomer system resulting in the formation of crosslinked supramolecular networks. The obtained supramolecular...
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Categories: Polymer Science News

Highly reactive [small alpha]-bromoacrylate monomers and Michael acceptors by Cu(II)Br2-dibromination of acrylates and instantaneous E2 by ligand

RSC - Polym. Chem. latest articles - Tue, 03/20/2018 - 10:13
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00155C, CommunicationAdrian Moreno, Janis Lejnieks, Liang Ding, Silvia Grama, Marina Galia, Gerard Lligadas, Virgil Percec
Depending on the order of addition to the reaction mixture, acrylates can undergo SET-LRP or dibromination by Cu(II)Br2 and spontaneously dehydrohalogenate to provide the corresponding highly reactive [small alpha]-bromoacrylate monomer and...
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Categories: Polymer Science News

SET-LRP in biphasic mixtures of fluorinated alcohols with water

RSC - Polym. Chem. latest articles - Tue, 03/20/2018 - 10:13
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00062J, PaperAdrian Moreno, Tong Liu, Liang Ding, Irene Buzzacchera, Marina Galia, Martin Moller, Christopher J Wilson, Gerard Lligadas, Virgil Percec
Biphasic-binary mixtures of 2,2,2-trifluoroethanol (TFE) or 2,2,3,3-tetrafluoropropanol (TFP) with water were used as reaction media to synthesize well-defined poly(methyl acrylate) (PMA) with chain end functionality close to 100% by SET-LRP....
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Categories: Polymer Science News

Self-assembly of fluorous amphiphilic copolymers with Ionogels and surface switchable wettability

RSC - Polym. Chem. latest articles - Mon, 03/19/2018 - 13:44
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00273H, PaperSantosh N. Chavan, Anil Kumar Padhan, Debaprasad Mandal
Fluorous amphiphilic copolymer was synthesized by microwave assisted copolymerization of 1H,1H,2H-Perfluoro-1-octene and vinyl imidazole and characterized by size exclusion chromatography, FT-IR, 1H, 13C, 19F, and DOSY NMR. Fluorous amphiphilic copolymer...
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Categories: Polymer Science News

Emerging Investigators 2018

RSC - Polym. Chem. latest articles - Mon, 03/19/2018 - 07:27

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY90042F, EditorialChristopher Barner-Kowollik
This themed issue of Polymer Chemistry highlights the work of emerging investigators in polymer chemistry. Editor-in-Chief Christopher Barner-Kowollik introduces the issue.
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Categories: Polymer Science News

Advances on the Synthesis of Silyl-Modified Polymers (SMPs)

RSC - Polym. Chem. latest articles - Mon, 03/19/2018 - 06:11
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00265G, Review ArticleSophie M Guillaume
Silyl-modified polymers (SMPs) are alkoxysilyl functionalized polymers of high importance both academically and industrially. SMPs are being developed for coating, adhesive, sealant and elastomer applications. In this highlight, emphasis is...
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Categories: Polymer Science News

Core-crosslinked diblock terpolymer micelles - taking a closer look on crosslinking efficiency

RSC - Polym. Chem. latest articles - Mon, 03/19/2018 - 04:02
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00126J, PaperJohanna Elter, Gabi Sentis, Peter Bellstedt, Philip Biehl, Michael Gottschaldt, Felix Helmut Schacher
Herein, we present the synthesis and characterization of amphiphilic diblock terpolymers. Poly(ethylene oxide)-block-poly(allyl glycidyl ether-co-tert-butyl glycidyl ether) PEO-b-P(AGE-co-tBGE) and poly(ethylene oxide)-block-poly(furfuryl glycidyl ether-co-tert butyl glycidyl ether) PEO-b-P(FGE-co-tBGE) with hydrophobic blocks...
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Efficient Antiviral Co-Delivery Polymersomes by Controlling Surface Density of Cell-Targeting Groups for Influenza A Virus Treatment

RSC - Polym. Chem. latest articles - Mon, 03/19/2018 - 02:00
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00116B, PaperHaejin Chun, Minjoo Yeom, Hyun-Ouk Kim, Jong-Woo Lim, Woonsung Na, Geunseon Park, Chaewon Park, Aram Kang, Dayeon Yun, Jihye Kim, Daesub Song, Seungjoo Haam
Influenza A virus (IAV), which causes one of the most contagious diseases is a global health concern, and is responsible for seasonal epidemics and pandemics. Despite notable efforts towards developing...
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Categories: Polymer Science News

Cross-linked AIE supramolecular polymer gels with multiple stimuli-responsive behaviours constructed by hierarchical self-assembly

RSC - Polym. Chem. latest articles - Sun, 03/18/2018 - 23:58
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00226F, PaperChang-Wei Zhang, Bo Ou, Shu-Ting Jiang, Guang-Qiang Yin, Li-Jun Chen, Lin Xu, Xiaopeng Li, Hai-Bo Yang
Herein, we present the successful construction of a new family of cross-linked AIE supramolecular polymer gels with multiple stimuli-responsive behaviours through hierarchical self-assembly invovling coordination and host-guest interactions. Firstly, by...
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Categories: Polymer Science News

Gradient Helical Copolymers: Synthesis, Chiroptical Property, Thermotropic Liquid Crystallinity, and Self-Assembly in Selective Organic Solvent

RSC - Polym. Chem. latest articles - Sun, 03/18/2018 - 23:58
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00237A, PaperJunxian Chen, Bowen Li, Xiaofu Li, Jie Zhang, Xinhua Wan
A series of novel gradient copolymers R-(-)-poly(StN-grad-C8) were synthesized through atom transfer radical copolymerization of achiral styrenic monomer, N,N-dimethyl-4-ethenylbenzamide (M-StN), and chiral bulky vinylterphenyl monomer, (-)-2,5-bis{4'-[(R)-sec-octyloxycarbonyl]phenyl}styrene (R-(-)-M-C8). The polymerization activities...
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Categories: Polymer Science News

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