Polymer Science News

Synthesis of star polymers using organocatalyzed atom transfer radical polymerization through a core-first approach

RSC - Polym. Chem. latest articles - Thu, 04/05/2018 - 09:11

Polym. Chem., 2018, 9,1658-1665
DOI: 10.1039/C7PY01833A, PaperBonnie L. Buss, Logan R. Beck, Garret M. Miyake
Star polymers containing 3-8 arms and a linear telechelic polymer are synthesized from a core-first approach using visible-light induced organocatalyzed atom transfer radical polymerization.
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Categories: Polymer Science News

Synthesis of poly(3-hexylthiophene) based rod-coil conjugated block copolymers via photoinduced metal-free atom transfer radical polymerization

RSC - Polym. Chem. latest articles - Thu, 04/05/2018 - 05:10
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00361K, PaperHa Tran Nguyen, Le-Thu Thi Nguyen, Tam Huu Nguyen, Viet Quoc Nguyen, Lan Ngoc Tan Phan, Geng Zhang, Tsutomu Yokozawa, Dung Phung Thi Thuy
The photo-mediated "metal-free" atom transfer radical polymerization approach has been investigated for the first time to polymerize methyl methacrylate, N,N-dimethylamino-2-ethyl methacrylate, 2-([4,6-dichlorotriazin-2-yl]oxy)ethyl methacrylate) and a mixture of methyl methacrylate and...
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Categories: Polymer Science News

A tough, stretchable and extensively sticky hydrogel driven by milk protein

RSC - Polym. Chem. latest articles - Wed, 04/04/2018 - 19:02
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00319J, PaperJianyu Xu, Ziwen Fan, Lijie Duan, Guanghui Gao
For hydrogels, toughness and adhesiveness are contradictable. However, the simultaneous requirement for both was very urgent in some practical applications, such as robotics joints, wound dressing and surgical bandage. Here...
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Categories: Polymer Science News

Cardanol-based polymer latex by radical aqueous miniemulsion polymerization

RSC - Polym. Chem. latest articles - Wed, 04/04/2018 - 10:54
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00167G, PaperWing Sze Jennifer Li, Claire Negrell, Vincent Ladmiral, josephine laikeehim, Patrick Bron, Patrick Lacroix-Desmazes, christine Joly Duhamel, Sylvain Caillol
The facile one-pot, two-step synthesis of a new bio-sourced monomer derived from cardanol and its radical aqueous miniemulsion polymerization is presented in this work. As an abundant and renewable resource...
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Categories: Polymer Science News

Synthesis of a helical [small pi]-conjugated polymer with a dynamic hydrogen-bonded network in the helical cavity and its circularly polarized luminescence properties

RSC - Polym. Chem. latest articles - Wed, 04/04/2018 - 07:52

Polym. Chem., 2018, 9,1541-1546
DOI: 10.1039/C7PY01867C, CommunicationTomoyuki Ikai, Seiya Awata, Ken-ichi Shinohara
We have succeeded in developing a circularly polarized luminescent [small pi]-conjugated polymer with a dynamic hydrogen-bonded network in the helical cavity.
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Categories: Polymer Science News

Recent advances in RAFT-mediated surfactant-free emulsion polymerization

RSC - Polym. Chem. latest articles - Wed, 04/04/2018 - 06:51
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00065D, Review ArticleJianhua Zhou, Hongtao Yao, Jian-zhong Ma
Advances in the understanding and application of reversible addition-fragmentation chain transfer (RAFT) polymerization in surfactant-free emulsion systems have been made over the last decade. RAFT-mediated surfactant-free emulsion polymerization not only...
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Categories: Polymer Science News

The effect of metal ions on viscoelastic properties of thermosensitive sol-to-gel reversible metallo-supramolecular hydrogels

RSC - Polym. Chem. latest articles - Wed, 04/04/2018 - 06:51
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C7PY02118F, PaperAngelique Gutierres, Sagrario Pascual, Laurent Fontaine, Sandie Pioge, Lazhar Benyahia
Smart metallo-supramolecular hydrogels offer attractive possibilities to combine the properties of hydrogels with the self-assembly features offered by the metal-ligand coordination. The preparation of metal-bis(terpyridine-poly(N,N-dimethylacrylamide)-b-poly(N-isopropylacrylamide)) ([M(Tpy-PDMA-b-PNIPAM)2]2+) complexes in aqueous media...
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Categories: Polymer Science News

The para-Fluoro-Thiol Reaction as an Efficient Tool in Polymer Chemistry

RSC - Polym. Chem. latest articles - Wed, 04/04/2018 - 04:49
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00287H, PerspectiveGuillaume Delaittre, Leonie Barner
In the current contribution, we discuss the application and potential of the versatile para-fluoro-thiol reaction as an efficient tool in the context of synthesis and modification of polymers and materials...
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Categories: Polymer Science News

Preparation of irrefrangible polyacrylamide hybrid hydrogels using water-dispersible cyclotetrasiloxane or polyhedral oligomeric silsesquioxane containing polymerizable groups as cross-linkers

RSC - Polym. Chem. latest articles - Tue, 04/03/2018 - 11:41
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00354H, PaperMakoto Yanagie, Yoshiro Kaneko
In this study, polyacrylamide (PAAm) hybrid hydrogels were prepared using water-dispersible single-structured cyclotetrasiloxane (CyTS-MNa) or polyhedral oligomeric silsesquioxane (POSS-MNa) containing polymerizable groups as cross-linkers, and the mechanical properties of the...
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Categories: Polymer Science News

Reversible-addition fragmentation chain transfer (RAFT) mediated depolymerization of brush polymers

RSC - Polym. Chem. latest articles - Tue, 04/03/2018 - 09:40
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00446C, PaperMichael Flanders, William Mike Gramlich
Brush polymers synthesized by reversible-addition fragmentation chain transfer (RAFT) polymerization underwent depolymerization when heated in the absence of initiator. The depolymerizations followed pseudo first order kinetics and reached significant monomer...
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Categories: Polymer Science News

Near-infrared light triggered photothermal and photodynamic therapy with an oxygen-shuttle endoperoxide of anthracene against tumor hypoxia

RSC - Polym. Chem. latest articles - Tue, 04/03/2018 - 05:33

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00289D, PaperZheng Yuan, Shan Yu, Fangyi Cao, Zhengwei Mao, Changyou Gao, Jun Ling
Novel oxygen self-carrying nanoparticles based on substituted diphenyl anthracene and IR780 were developed against tumor hypoxia.
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Categories: Polymer Science News

A novel supramolecular polymer network based on a catenane-type crosslinker

RSC - Polym. Chem. latest articles - Mon, 04/02/2018 - 23:02
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C7PY02034A, CommunicationWenbo Wang, Hao Xing
A novel supramolecular mechanically interlocked crosslinker (SMIC) was designed and used to prepare supramolecular polymer network. Namely, a Leigh-type secondary amide [2]catenane bearing two benzo-21-crwon-7 moieties was synthesized as the...
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Categories: Polymer Science News

Chirality Induction of Achiral Polydialkylfluorenes by Chiral Solvation: Odd-Even and Side-Chain-Length Dependence

RSC - Polym. Chem. latest articles - Mon, 04/02/2018 - 08:08
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00114F, PaperYin Zhao, Hailing Chen, Lu Yin, Xiaoxiao Cheng, Wei Zhang, Xiulin Zhu
In this contribution, we report the first odd-even and side-chain length dependence on the chiral induction of achiral polydialkylfluorenes (PFs) by chiral solvation. Firstly, a serials of PFs, substituted at...
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Categories: Polymer Science News

High-performance cationic polyrotaxanes terminated with polypeptides as promising nucleic acid delivery systems

RSC - Polym. Chem. latest articles - Mon, 04/02/2018 - 08:08
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00333E, PaperFujian Xu, Hai-Qing Song, Yu Qi, Quiquan Li, Gang Cheng, NN Zhao
Nucleic acid (NA)-based therapy was put forward as a promising way to conquer serious human diseases. Safe and robust gene vectors play an important role in NA delivery processes. In...
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Categories: Polymer Science News

Synthesis of an indacenodithiophene-based fully conjugated ladder polymer and its optical and electronic properties

RSC - Polym. Chem. latest articles - Thu, 03/29/2018 - 08:40
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00351C, CommunicationYuli Yin, Shiying Zhang, Daoyuan Chen, Fengyun Guo, Gui Yu, Liancheng Zhao, Yong Zhang
A fully conjugated ladder polymer (PFIDT) based on indacenodithiophene unit was synthesized via a simple strategy. PFIDT displays a strong intramolecular charge transfer character with a small Stocks shift as...
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Categories: Polymer Science News

The multicomponent Debus-Radziszewski reaction in macromolecular chemistry

RSC - Polym. Chem. latest articles - Thu, 03/29/2018 - 05:34
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00173A, MinireviewSamantha Saxer, Catherine Danielle Marestin, Regis Mercier, Jerome Dupuy
The well-known Debus-Radziszewski reaction is over one century old. However, this reaction has only been considered very recently as a new tool to design original imidazole and imidazolium-containing polymers by...
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Categories: Polymer Science News

Photochemical regulation of a redox-active olefin polymerization catalyst: controlling polyethylene microstructure with visible light

RSC - Polym. Chem. latest articles - Tue, 03/27/2018 - 10:41

Polym. Chem., 2018, 9,1567-1570
DOI: 10.1039/C7PY01836C, CommunicationJordan M. Kaiser, W. Curtis Anderson, Brian K. Long
The utility of photoredox chemistry is expanded to include microstructural control of polyolefins.
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Categories: Polymer Science News

Polymer brush guided templating on well-defined rod-like cellulose nanocrystals

RSC - Polym. Chem. latest articles - Tue, 03/27/2018 - 10:41

Polym. Chem., 2018, 9,1650-1657
DOI: 10.1039/C7PY01814B, PaperMaria Morits, Ville Hynninen, Nonappa, Antoine Niederberger, Olli Ikkala, Andre H. Groschel, Markus Mullner
Precisely grafted polymer brushes on cellulose nanocrystals guide the formation of silica and yield uniform CNC-based hybrid nanomaterials which are subsequently used in the fabrication of hollow and highly porous silica nanorods.
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Categories: Polymer Science News

Highly functional ellipsoidal block copolymer nanoparticles: a generalized approach to nanostructured chemical ordering in phase separated colloidal particles

RSC - Polym. Chem. latest articles - Tue, 03/27/2018 - 10:41

Polym. Chem., 2018, 9,1638-1649
DOI: 10.1039/C7PY01817G, PaperB. V. K. J. Schmidt, C. X. Wang, S. Kraemer, L. A. Connal, D. Klinger
Spatially controlled introduction of chemical functionalities into ellipsoidal block copolymer nanoparticles is achieved through pre- and post-assembly strategies.
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Categories: Polymer Science News

Polymerizations in oil-in-oil emulsions using 2D nanoparticle surfactants

RSC - Polym. Chem. latest articles - Tue, 03/27/2018 - 10:41

Polym. Chem., 2018, 9,1547-1550
DOI: 10.1039/C7PY01819C, CommunicationBradley J. Rodier, Al de Leon, Christina Hemmingsen, Emily Pentzer
Oil-in-oil emulsions are especially attractive for compartmentalized reactions with water-sensitive monomers which cannot be used with traditional oil/water emulsions.
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Categories: Polymer Science News

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