Journal of Polymer Science Part A: Polymer Chemistry
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ISI Journal Citation Reports © Ranking: 2014: 18/82 (Polymer Science)
Online ISSN: 1099-0518
Associated Title(s): Journal of Polymer Science Part B: Polymer Physics
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- Exploring amino acid-tethered polymethacrylates as CO2-sensitive macromolecules: A concealed property
Kamal Bauri, Abhishek Pan, Ujjal Haldar, Amal Narayanan and Priyadarsi De
Version of Record online: 31 MAY 2016 | DOI: 10.1002/pola.28165
The present study unveils the novel CO2-responsive characteristic of side-chain alanine, leucine, and isoleucine tethered polymethacrylate. The leucine based CO2-philic polymer has been further chain extended with a thermoresponsive motif to provide dual thermo and gas-tunable flip-flop micelle.
- Post-polymerization modification of branched polyglycidol with N-Hydroxy phthalimide to give ratio-controlled amino-oxy functionalized species
Dain B. Beezer and Eva Harth
Version of Record online: 29 MAY 2016 | DOI: 10.1002/pola.28168
Amino-oxy polyglycidol derivatives with a tailored degree of functionalization were prepared as building blocks for the application in biomaterials such as bioconjugates and hydrogels. Utilizing optimized Mitsunobu conditions, functionalization degrees of 17%, 33%, 43%, and 63% of the hydroxyl groups will enable more diverse polymeric networks that lacked so far tools to vary network dimensions by keeping hydrophilic characteristics.
- You have free access to this contentA straightforward synthesis of well-defined difluorophosphonylated terminated poly(ε-caprolactone) for grafting onto iron oxide magnetic nanoparticles
Hien The Ho, Sagrario Pascual, Sébastien Livi, Emmanuelle Mebold, Laurent Fontaine, Thierry Lequeux and Thi Nhàn Pham
Version of Record online: 29 MAY 2016 | DOI: 10.1002/pola.28147
Novel α-difluoromethylenephosphonate, ω-hydroxyl-terminated poly(ε-caprolactone)s (pCF2-PCL-OH) were successfully prepared for the first time by ring-opening polymerization of ε-caprolactone in the presence of diisopropyl (1,1-difluoro-5-hydroxypentyl)phosphonate (pCF2OH) as the initiator and 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) as the catalyst. The so-obtained pCF2-PCL-OHs were thoroughly characterized by 1H NMR, 13C NMR, 31P NMR spectroscopies, SEC, and MALDI-TOF mass spectrometry. Dealkylation of the phosphonate ester-functionalized polymers was performed using trimethylsilyl bromide to afford the corresponding difluorophosphonic acid-terminated PCL analogues. They were used for coating magnetite nanoparticles to afford composite iron oxide nanoparticles with a mean diameter <20 nm as measured by TEM.
- End-group functionalization and postpolymerization modification of helical poly(isocyanide)s
Anna Croom, Rossella Tarallo and Marcus Weck
Version of Record online: 25 MAY 2016 | DOI: 10.1002/pola.28159
A functional Nickel initiator is used to install a terminal alkyne group on poly(isocyanide)s during polymerization. CuAAC reactions with various functional azides are performed as a post-polymerization method for end-group functionalization. The resultant polymers are analyzed by various techniques to demonstrate successful ligation of each respective azide.
- New benzodithiophene- and benzooxadiazole/benzothiadiazole-based donor–acceptor π-conjugated polymers for organic photovoltaics
Kakaraparthi Kranthiraja, Kumarasamy Gunasekar, Sang Ho Park, In-Nam Kang, Jin Yong Lee, Myungkwan Song and Sung-Ho Jin
Version of Record online: 24 MAY 2016 | DOI: 10.1002/pola.28145
New series of donor–acceptor type 2D-conjugated polymers (P1–P4) were designed and synthesized where A1, A2 (oxygen analogues), A3, A4 (sulfur analogues) were used as an electron deficient co-monomers. The systematic investigation of P1–P4 with additive and solvent treatment, yielded in enhanced power conversion efficiency of 4.29% for P3-based devices in bulk heterojunction organic solar cells.