Journal of Polymer Science Part A: Polymer Chemistry
Copyright © 2012 Wiley Periodicals, Inc., A Wiley Company
Impact Factor: 3.919
ISI Journal Citation Reports © Ranking: 2011: 8/78 (Polymer Science)
Online ISSN: 1099-0518
Associated Title(s): Journal of Polymer Science Part B: Polymer Physics
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- You have free access to this contentPhoto-control of biological systems with azobenzene polymers
Alexis Goulet-Hanssens and Christopher J. Barrett
Article first published online: 24 MAY 2013 | DOI: 10.1002/pola.26735
Azobenzene-containing polymers offer a tremendous advantage and opportunity over other stimuli-responsive materials to interface with biology. Azobenzene's fast, reversible, and innocuous cis-trans geometrical isomerization when irradiated with light can be leveraged into dramatic intra-molecular and inter-molecular changes when intelligently designed in polymeric materials. From photo-reversible micelles and peptides, to controlled drug release and sensing, the versatility of azobenzene makes it a favored photo-switch to be found in many emerging applications.
- Electrically driven self-healing polymers based on reversible guest–host complexation of β-cyclodextrin and ferrocene
Tsai-Wei Chuo, Ta-Chin Wei and Ying-Ling Liu
Article first published online: 23 MAY 2013 | DOI: 10.1002/pola.26736
The reversible complexation reaction of ferrocene and β-cyclodextrin has been applied for preparation of electrically-driven self-healing polymers. Addition of 20 wt % of this agent to a commercial product of car painting successfully brings the self-healing property to the coating product.
- Synthesis and characterization of functionalized poly(ɛ-caprolactone)
Jonathan Johannes Wurth and Venkatram Prasad Shastri
Article first published online: 22 MAY 2013 | DOI: 10.1002/pola.26734
In this work, a new paradigm to functionalize poly(ɛ-caprolactone) using α,ω-epoxy esters is demonstrated. The model α,ω-epoxy ester—ethyl 2-methyl-4-pentenoate oxide (EMPO) was synthesized via epoxidation and its incorporation into the PCL backbone via ring-opening copolymerization was investigated. Statistical, random copolymers of CL and EMPO were obtained and copolymerization parameters were determined to be 1.31 and 0.01, for ɛ-caprolactone and EMPO, respectively.
- Synthesis of superparamagnetic and thermoresponsive hybrid nanoparticles via surface-mediated RAFT polymerization of di(ethylene glycol) ethyl ether acrylate and (oligoethylene glycol) methyl ether acrylate
Adem Zengin, Ugur Tamer and Tuncer Caykara
Article first published online: 22 MAY 2013 | DOI: 10.1002/pola.26739
Superparamagnetic and thermoresponsive hybrid nanoparticles composed of poly[di(ethylene glycol) ethyl ether acrylate-co-(oligoethylene glycol) methyl ether acrylate] shell and magnetic Fe3O4 core were synthesized via surface-mediated RAFT polymerization. The hybrid nanoparticles exhibited excellent magnetic susceptibility (Ms ≅ 55.1–19.4 emu/g) and showed a temperature-responsive behavior as the temperature changed between 25 and 40 °C.
- Synthesis and properties of through-space conjugated polymers based on π–π stacked 1,3-biarylpropane tethering units
Ryosuke Nomura, Ryota Moriai, Masaru Kudo, Tohru Hoshino, Jun-ichi Watanabe, Shigeaki Funyu, Ken-ich Ishitsuka and Sentaro Okamoto
Article first published online: 22 MAY 2013 | DOI: 10.1002/pola.26738
Novel skipped-π polymers comprising π-components connected with 2-substituted trimethylene tethering units that exist as stair-like stacking substructures were synthesized and found to exhibit bathochromically shifted, broadened UV absorption with a unique lower-energy absorption band and largely red-shifted fluorescent emission owing to the extended π-conjugation resulting from through-space π–π interactions in the ground and excited states.