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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- Nanofluid polyurethane/polyurea resins—thin films and clearcoats
John Texter, Zhiming Qiu, Rene Crombez and Weidian Shen
Article first published online: 22 MAY 2013 | DOI: 10.1002/pola.26741
Solvent-free nanofluid and prepolymer are air cured to produce a tough and transparent clearcoat. The solvent-free nanofluid is prepared by surface modifying nanosilica (9–10 nm) with an ionic liquid type of organic salt and with reactive isothiocyanate. It is dissolved in a novel poly(propylene oxide) isophorone diisocyanate prepolymer, coated, and cured with atmospheric moisture at room temperature. The proportion of nanofluid (1-16%) tunes the moduli and produces nanocomposites harder (2×) to softer (½×) than the control.
- Thermally amendable tailor-made functional polymer by RAFT polymerization and “click reaction”
Nabendu B. Pramanik, Dibyendu S. Bag, Sarfaraz Alam, Golok B. Nando and Nikhil K. Singha
Article first published online: 21 MAY 2013 | DOI: 10.1002/pola.26732
Well-defined PFMA was successfully synthesized by reversible addition fragmentation chain-transfer (RAFT) polymerization technique using CDTSPA and 4 cyano-4-(thiobenzoylthio) pentanoic acid (CTBPA) as different chain transfer agents (CTA). Thereafter, reactive furfuryl group of PFMA was used to prepare crosslinked polymeric materials via DA reaction using different bismaleimides. These crosslinked polymers showed thermally amendable properties through DA and retro-DA click reaction only by applying temperature.
- Facile one-pot method of initiator fixation for surface-initiated atom transfer radical polymerization on carbon hard spheres
Muhammad Ejaz, Bhanukiran Sunkara, Lakhinder Kamboj, Jibao He, Vijay T. John, Noshir S. Pesika and Scott M. Grayson
Article first published online: 21 MAY 2013 | DOI: 10.1002/pola.26728
An atom transfer radical polymerization (ATRP) initiator has been chemically immobilized on the surface of carbon hard spheres (CHSs) in only one step by a radical trapping method. These initiator immobilized CHSs are used to graft polystyrene and poly(methyl methacrylate) chains via surface-initiated ATRP. The resultant grafted CHSs are covered by a dense uniform film of grafted polymers. The thickness of grafted polymer is controlled by tuning the amount of sacrificial free initiator during graft polymerization.
- Temperature responsive copolymers of N-vinylcaprolactam and di(ethylene glycol) methyl ether methacrylate and their interactions with drugs
Stefanie Zuber, Katharina Landfester, Daniel Crespy and Ana-Maria Popa
Article first published online: 21 MAY 2013 | DOI: 10.1002/pola.26727
N-Vinylcaprolactam and di(ethylene glycol) methyl ether methacrylate are copolymerized in high yield via miniemulsion polymerization. The lower critical solution temperature (LCST) of the obtained linear copolymers is controlled by their composition and the concentration of drugs in the solutions.
- A new insight into the mechanism of 1,3-dienes cationic polymerization. II. Structure of poly(1,3-pentadiene) synthesized with tBuCl/TiCl4 initiating system
Victor A. Rozentsvet, Nelly A. Korovina, Valentina P. Ivanova, Marianna G. Kuznetsova and Sergei V. Kostjuk
Article first published online: 16 MAY 2013 | DOI: 10.1002/pola.26724
Poly(1,3-pentadiene) synthesized by cationic polymerization of 1,3-pentadiene with tBuCl/TiCl4 initiating system contains only homo and mixed dyads with trans−1,4-, trans−1,2-, and cis−1,2-structures with regular and inverse (head-to-head or tail-to-tail) enchainment, whereas cis−1,4- and 3,4-units are totally absent.