Polymer Science News

Synthesis of molecularly imprinted polymers by photo-iniferter polymerization under visible light

RSC - Polym. Chem. latest articles - Thu, 07/20/2017 - 06:09
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01113J, PaperMariano Garcia-Soto, Karsten Haupt, Carlo Gonzato
target molecule consists in copolymerizing functional monomers and a cross-linker around a molecular template. This method affords a rigid material bearing high affinity binding sites, namely a synthetic receptor or...
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Poly(acrylamide-homocysteine thiolactone) as a synthetic platform for the preparation of polymeric ionic liquids by post ring-opening-orthogonal modifications

RSC - Polym. Chem. latest articles - Wed, 07/19/2017 - 07:51
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01067B, PaperSilvia Montoliu, Oleksandr Zagorodko, Raul Porcar, Eduardo Garcia-Verdugo, Maria Isabel Burguete, Heikki Tenhu, Santiago V. Luis
Poly(Acrylamide-Homocysteine Thiolactone) (PAHT) obtained by RAFT polymerisation can be used as a starting material for the synthesis, through its post modification, of a variety of advanced polymeric materials with different...
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Categories: Polymer Science News

QDs decorated with thiol-monomer ligands as new multicrosslinkers for the synthesis of smart luminescent nanogels and hydrogels

RSC - Polym. Chem. latest articles - Wed, 07/19/2017 - 07:51
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00954B, PaperMarta Liras, Isabel Quijada-Garrido, Olga Garcia
Herein new smart thermo-responsive fotoluminescent nano- and macrogel hybrids based on Quantum Dots (QDs) and poly(diethyelene glycol methyl ether methacrylate) (pMEO2MA) are reported. The synthetic stategy comprises the functionalization of...
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Categories: Polymer Science News

Anti-protein and anti-bacterial behavior of amphiphilic silicones

RSC - Polym. Chem. latest articles - Tue, 07/18/2017 - 05:27
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00944E, PaperMelissa L. Hawkins, Samantha Schott, Bagrat Grigoryan, Marc Albert Rufin, Bryan Khai Ngo, Lyndsi Vanderwal, Shane Stafslien, Melissa A. Grunlan
Silicones with improved water-driven surface hydrophilicity and anti-biofouling behavior were achieved when bulk-modified with poly(ethylene oxide) (PEO) -silane amphiphiles of varying siloxane tether length: [small alpha]-(EtO)3Si-(CH2)2-oligodimethylsiloxanem-block-poly(ethylene oxide)8-OCH3 (m = 0, 4,...
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Categories: Polymer Science News

Facile Thiolation of Hydroxyl Functional Polymers

RSC - Polym. Chem. latest articles - Tue, 07/18/2017 - 05:27
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01097D, CommunicationOliver Andren, Michael Malkoch
Sulfur is an important component in many biological systems. In the hands of an organic chemist it can provide an ample handle for a myriad of robust reactions including thiol-ene...
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Categories: Polymer Science News

A mannosylated PEI-CPP hybrid for TRAIL gene targeting delivery for colorectal cancer therapy

RSC - Polym. Chem. latest articles - Tue, 07/18/2017 - 05:27

Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY00882A, PaperZhenzhen Pan, Xuejia Kang, Yuaner Zeng, Wenyuan Zhang, Huige Peng, Jinyu Wang, Wei Huang, Huiyuan Wang, Youqing Shen, Yongzhuo Huang
A mannosylated, bioreducible Man-PEI5k-CPP/pTRAIL system was developed for treating colon cancer.
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The origin of bisignate circularly polarized luminescence (CPL) spectra from chiral polymer aggregates and molecular camphor: Anti-Kasha's rule revealed by CPL excitation (CPLE) spectra

RSC - Polym. Chem. latest articles - Mon, 07/17/2017 - 05:09
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00958E, PaperSang Thi Duong, Michiya Fujiki
The first circularly polarized luminescence (CPL) excitation (CPLE) measurements of poly(fluorene-alt-bithiophene) (PF8T2) aggregates with bisignate CPL/circular dichroism (CD) signals and, for comparison, bisignate CPL signal camphor were achieved. Based on...
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Categories: Polymer Science News

Pickering High Internal Phase Emulsions Stabilized by Worm-Like Polymeric Nanoaggregates

RSC - Polym. Chem. latest articles - Mon, 07/17/2017 - 05:09
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00912G, PaperQi Zhang, Chengjian Wang, Milin Fu, Jianli Wang, Shiping Zhu
This paper reports the first Pickering high internal phase emulsion (HIPE) system stabilized solely by worm-like nanoaggregates. The cross-linked worms were prepared from dispersion polymerization of benzyl methacrylate (BzMA), with...
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Categories: Polymer Science News

Synthesis of amphiphilic fluorescent polymers via one-pot combination of multicomponent Hantzsch reaction and RAFT polymerization and their cell imaging applications

RSC - Polym. Chem. latest articles - Mon, 07/17/2017 - 05:09
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00926G, PaperZengfang Huang, Qiaomei Chen, Qing Wan, Ke Wang, Jinying Yuan, Xiaoyong Zhang, Lei Tao, Yen Wei
Recently, the amphiphilic fluorescent polymers based on aggregation-induced emission (AIE) are attracting numerous attentions for their application in bioimaging field. In this study, employing PEGMA and TPB as hydrophilic and...
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Categories: Polymer Science News

Origin of Nanostructural Inhomogeneity in Polymer-Network Gels

RSC - Polym. Chem. latest articles - Fri, 07/14/2017 - 10:23
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01035D, Review ArticleSebastian Seiffert
Polymer-network gels often display nano- to microstructural spatial inhomogeitiy of their polymer-segmental and crosslinking densities, especially if they are formed by uncontrolled free-radical crosslinking copolymerization of mono- and multifunctional monomers...
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Categories: Polymer Science News

Borazine-based inorganic-organic hybrid cyclomatrix microspheres by silicon/boron exchange precipitation polycondensation

RSC - Polym. Chem. latest articles - Fri, 07/14/2017 - 07:19
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01006K, CommunicationNicolas Alexander Riensch, Ayse Deniz, Sebastian Kuhl, Lars Muller, Alina Adams, Andrij Pich, Holger Helten
The synthesis of borazine-based hybrid cyclomatrix polymers has been studied under various conditions. Crosslinked polymers obtained via a novel silicon/boron exchange precipitation polycondensation approach form hybrid cyclomatrix microspheres with a...
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Categories: Polymer Science News

Primary and Secondary Structure Control of Polymer Brushes by Surface-initiated Living/ Controlled Polymerization

RSC - Polym. Chem. latest articles - Fri, 07/14/2017 - 07:19
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00956A, Review ArticleTomoyasu Hirai, Motoyasu Kobayashi, Atsushi Takahara
High-density well-defined polymer brushes with predictable number-average molecular weight (Mn), narrow molecular weight dispersity (MWD) were prepared by surface-initiated controlled radical polymerization or living anionic polymerization. Ion-containing monomers, such as...
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Categories: Polymer Science News

Catechol- and Ketone-Containing Multifunctional Bottlebrush Polymers for Oxime Ligation and Hydrogel Formation

RSC - Polym. Chem. latest articles - Fri, 07/14/2017 - 06:17
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01112A, PaperRimantas Slegeris, Brian A. Ondrusek, Hoyong Chung
We report the synthesis of a highly-functional macromonomer, and subsequent crosslinkable poly(ethylene glycol) (PEG)-based bottlebrush polymers prepared via graft-through ring-opening metathesis polymerization (ROMP). This work makes two important additions to...
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Categories: Polymer Science News

The influence of the end-group on the chiral self-assembly of all-conjugated block copolymers

RSC - Polym. Chem. latest articles - Fri, 07/14/2017 - 06:17
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01043E, PaperMarie-Paule Van Den Eede, Anjan Bedi, Jonas Delabie, Julien De Winter, Pascal Gerbaux, Guy Koeckelberghs
The self-assembly of all-conjugated block copolymers is an effective way to obtain well-ordered structures at the nanoscale. Although these polymers possess an end-group and a lot of research has been...
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Categories: Polymer Science News

Fabrication of water dispersible and biocompatible AIE-active fluorescent polymeric nanoparticles through a "one-pot" Mannich reaction

RSC - Polym. Chem. latest articles - Thu, 07/13/2017 - 11:08
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00884H, PaperXiaoyong Zhang, Guangjian Zeng, Meiying Liu, Ruming Jiang, Qiang Huang, Long Huang, Qing Wan, Yanfeng Dai, Yuanqing Wen, Yen Wei
Fluorescent nanoparticles have been attracting more and more interest from scientists from chemistry, materials, medicals and biology. Among them, the fluorescent nanoparticles with aggregation-induced emission (AIE) characteristic have stand out...
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Categories: Polymer Science News

Synthesis of platinum(II) complex end functionalized star polymers: Luminescence enhancements and unimolecular micelles in solvents of weakened quality

RSC - Polym. Chem. latest articles - Thu, 07/13/2017 - 05:05
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00993C, PaperFang Qu, Beihong Yang, Qun He, Weifeng Bu
For the first time, two series of platinum(II) complex end functionalized star polymers have been designed and synthesized by coordination reacting K2PtCl4 with star polystyrene ligands ended with 2,6-bis(benzimidazol-2[prime or minute]-yl)pyridine. The...
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Categories: Polymer Science News

Block co-polyMOFs: assembly of polymer-polyMOF hybrids via iterative exponential growth and "click" chemistry

RSC - Polym. Chem. latest articles - Wed, 07/12/2017 - 11:51

Polym. Chem., 2017, Advance Article
DOI: 10.1039/C7PY00922D, CommunicationM. J. MacLeod, J. A. Johnson
A diblock copolymer comprised of styrene and a benzene dicarboxylic acid-based block forms a "block co-polyMOF" upon exposure to Zn2+.
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Novel copper catalyst containing a hydroxyl functional group: A facile strategy to block copolymers of vinyl monomer and ε-caprolactone via tandem reverse ATRP and ROP

RSC - Polym. Chem. latest articles - Wed, 07/12/2017 - 07:49
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01040K, PaperXiaohui Liu, Qiuyan Zhang, Wenli Di, Yanguang Zhang, Chen Ding
Reverse atom transfer radical polymerization (R-ATRP) and ring opening polymerization (ROP) are two representatives of the most promising living/controlled polymerization techniques. A facile and stable metal catalyst Cu(S(S=C)(N-CH3)CH2CH2OH)2 containing a...
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Categories: Polymer Science News

Energy Dissipation and Mullins Effect of Tough Polymer/Graphene Oxide Hybrid Nanocomposite Hydrogels

RSC - Polym. Chem. latest articles - Wed, 07/12/2017 - 07:49
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY01068K, PaperZiqing Tang, Feng Chen, Qiang Chen, Lin Zhu, Xiaoqiang Yan, Hong Chen, Baiping Ren, Jia Yang, Gang Qin, Jie Zheng
Nanocomposite hydrogels (NC gels) are considered as one of high strength hydrogels. Graphene oxide (GO), thanks to its amphiphilic, mechanical, optical property, is widely used as fillers to incorporate into...
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Categories: Polymer Science News

Cyclometalated Pt Complex based Random Terpolymers for Efficient Polymer Solar Cells

RSC - Polym. Chem. latest articles - Tue, 07/11/2017 - 06:35
Polym. Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7PY00924K, PaperYoutian Tao, Zheng Wan, Jie Yang, Yanan Liu, Shifan Wang, Yu Zhong, Cheng Li, Zhi-Guo Zhang, Guichuan Xing, Sven Huttner, Yongfang Li, Wei Huang
Various low ratio of platinum complexes (0, 1, 1.5 and 5 mol%) are introduced as the third monomer to the conjugated backbone of famous donor polymer PTB7-Th through random terpolymer...
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Categories: Polymer Science News

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