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3,094 Newest Publications in journal of polymer science part a: polymer chemistry

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Polyimides as cathodic materials in lithium batteries: Effect of the chemical structure of the diamine monomer

19-Jan-2018 | Guiomar Hernández, Maitane Salsamendi, Sofia M. Morozova, Elena I. Lozinskaya, Shanmukaraj Devaraj, Yakov S. Vygodsk ..., Journal of Polymer Science Part A: Polymer Chemistry, 2018

ABSTRACT Polyimides are being investigated as alternative, environmentally friendly and safe organic electrode materials for lithium and sodium batteries. However, further improvements need the proper chemical design of these polymers. In this paper, the effect of chemical structure of ...

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One‐pot synthesis of block copolymers by ring‐opening polymerization and ultraviolet light‐induced ATRP at ambient temperature

19-Jan-2018 | Lin Lei, Feifei Li, Haixiu Zhao, Yuntao Wang, Journal of Polymer Science Part A: Polymer Chemistry, 2018

ABSTRACT We successfully synthesized poly(l‐lactide)‐b‐poly (methyl methacrylate) diblock copolymers at ambient temperature by combining ultraviolet light‐induced copper‐catalyzed ATRP and organo‐catalyzed ring‐opening polymerization (ROP) in one‐pot. The polymerization processes were carried ...

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Radical polyaddition of difunctional vinyloxirane with thiols for synthesis of linear and networked polysulfides

19-Jan-2018 | Shinya Maeda, Atsushi Sudo, Takeshi Endo, Journal of Polymer Science Part A: Polymer Chemistry, 2018

ABSTRACT Radical ring‐opening polyaddition of bifunctional vinyloxirane with multifunctional thiols was investigated. The polyaddition proceeded smoothly via the ring‐opening reaction of the oxirane moiety to afford the corresponding networked polymers bearing vinyl ether and sulfide moieties ...

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Covalently linked nanocomposites of polypyrrole with graphene: Strategic design toward optimized properties

15-Jan-2018 | Naiane Naidek, Aldo J. G. Zarbin, Elisa S. Orth, Journal of Polymer Science Part A: Polymer Chemistry, 2018

ABSTRACT Graphene‐based nanocomposites with conducting polymers have attracted increasing interest due to the enhanced synergistic properties, which can potentiate and broaden applications. In this context, covalent functionalization stands out as a strategic designing tool, which optimizes ...

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A water‐soluble, AIE‐active polyelectrolyte for conventional and fluorescence lifetime imaging of mouse neuroblastoma neuro‐2A cells

13-Jan-2018 | Yinan Wang, Hongming Yao, Jian Zhou, Yuning Hong, Bin Chen, Bolong Zhang, Trevor A. Smith, Wallace W. H. Wong, Zujin ..., Journal of Polymer Science Part A: Polymer Chemistry, 2018

ABSTRACT A new conjugated polyelectrolyte containing tetraphenylethene units in the backbone is synthesized and characterized. This polyelectrolyte is water‐soluble and exhibits aggregation‐induced emission (AIE) behavior. It is biocompatible and can be directly used in conventional and ...

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Ring‐expansion polymerization of meso‐lactide catalyzed by dibutyltin derivatives

08-Jan-2018 | Hans Rytger Kricheldorf, Steffen M. Weidner, Journal of Polymer Science Part A: Polymer Chemistry, 2018

ABSTRACT Meso‐Lactide was polymerized in bulk at 60, 80, and 100°C by means of three different types of catalysts: dibutyltin sulfides (2,2‐dibutyl‐2‐stanna‐1,3‐dithiolane and 2,2′‐dibutyl‐2‐stanna‐1,3‐dithiane), dibutyltin derivatives of substituted catechols (BuCa, CyCa, and BzCa), and ...

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Influence of sodium dodecyl sulfate on the kinetics and control of RAFT/MADIX polymerization of acrylamide

04-Jan-2018 | Cécile Barthet, James Wilson, Arnaud Cadix, Mathias Destarac, Christophe Chassenieux, Simon Harrisson, Journal of Polymer Science Part A: Polymer Chemistry, 2018

ABSTRACT Aqueous radical polymerizations of acrylamide were conducted in the presence of varying concentrations of sodium dodecyl sulfate (SDS) and two xanthate reversible addition‐fragmentation chain transfer (RAFT) agents: the small, hydrophobic Rhodixan A1 and the oligomeric, amphiphilic ...

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Bonding and in‐channel microfluidic functionalization using the huisgen cyclization

28-Dec-2017 | Talena Rambarran, Ferdinand Gonzaga, Ayodele Fatona, Michael Coulson, Sokunthearath Saem, Jose Moran‐Mirabal, Michae ..., Journal of Polymer Science Part A: Polymer Chemistry, 2017

ABSTRACT The bonding of layers of silicone elastomers during the manufacturing of microfluidic devices is often accomplished using plasma oxidation. The process can be costly, may require a clean room and materials that ensure the flatness of the bonding layers and, as a consequence of ...

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Synthesis and properties of ultralow dielectric porous polyimide films containing adamantane

27-Dec-2017 | Pengxia Lv, Zhixin Dong, Xuemin Dai, Hanfu Wang, Xuepeng Qiu, Journal of Polymer Science Part A: Polymer Chemistry, 2017

ABSTRACT A series of novel ultralow dielectric porous polyimide (PI) films containing adamantane groups was prepared via the thermolysis of polyethylene glycol (PEG) oligomers mixed into PI matrix. Scanning electron microscopy results indicated that the porous PI films showed closed pores with ...

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Crosslinked anion exchange membranes with connected cations

23-Dec-2017 | Wenxu Zhang, Ye Liu, Xiaohui Liu, James L. Horan, Ying Jin, Xiaoming Ren, S. Piril Ertem, Soenke Seifert, Matthew W. ..., Journal of Polymer Science Part A: Polymer Chemistry, 2017

ABSTRACT The selective transport of ions has crucial importance in biological systems as well as modern‐day energy devices, such as batteries and fuel cells, and water purification membranes. Control over ion movement can be exerted by ligation, ion channel dimensions, solvation, and ...

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