@article { ISI:000316812800023, title = {Facile strategy for synthesis of ,-heterobifunctionalized poly (epsilon-caprolactones) and poly (methyl methacrylate)s containing {\textquoteleft}{\textquoteleft}clickable{\textquoteright}{\textquoteright} aldehyde and allyloxy functional groups using initiator approach}, journal = {Journal of Polymer Science Part A-Polymer Chemistry}, volume = {51}, number = {9}, year = {2013}, month = {MAY}, pages = {2091-2103}, publisher = {WILEY-BLACKWELL}, address = {111 RIVER ST, HOBOKEN 07030-5774, NJ USA}, abstract = {

Two new initiators, namely, 4-(4-(2-(4-(allyloxy) phenyl)-5-hydroxypentane 2-yl) phenoxy)benzaldehyde and 4-(4-(allyloxy) phenyl)-4-(4-(4-formylphenoxy) phenyl) pentyl 2-bromo-2-methyl propanoate containing clickable hetero-functionalities namely aldehyde and allyloxy were synthesized starting from commercially available 4,4-bis(4-hydroxyphenyl) pentanoic acid. These initiators were utilized, respectively, for ring opening polymerization of epsilon-caprolactone and atom transfer radical polymerization of methyl methacrylate. Well-defined -aldehyde, -allyloxy heterobifunctionalized poly(epsilon-caprolactones) (Mn,GPC: 590029,000, PDI: 1.261.43) and poly(methyl methacrylate)s (Mn,GPC: 530028800, PDI: 1.191.25) were synthesized. The kinetic study of methyl methacrylate polymerization demonstrated controlled polymerization behavior. The presence of aldehyde and allyloxy functionality on polymers was confirmed by 1H NMR spectroscopy. Aldehyde-aminooxy and thiol-ene metal-free double click strategy was used to demonstrate reactivity of functional groups on polymers. (c) 2013 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2013, 51, 2091-2103

}, keywords = {atom transfer radical polymerization, Click chemistry, functional polymers, ring opening polymerization}, issn = {0887-624X}, doi = {10.1002/pola.26598}, author = {Sane, Prakash S. and Tawade, Bhausaheb V. and Parmar, Indravadan and Kumari, Savita and Nagane, Samadhan and Wadgaonkar, Prakash P.} } @article { ISI:000340591000030, title = {Fluorescent polymeric ionic liquids for the detection of nitroaromatic explosives}, journal = {Journal of Materials Chemistry A}, volume = {2}, number = {34}, year = {2014}, month = {JUL}, pages = {13983-13989}, publisher = {ROYAL SOC CHEMISTRY}, address = {THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND}, abstract = {

We report, for the first time, applicability of film forming polymeric ionic liquids (PILs) possessing pyrene and anthracene fluorophores for the detection of nitroaromatics (NACs). These functionalized PILs were synthesized via post modification of thermo-chemically and mechanically stable polybenzimidazole (PBI). Formed PILs were evaluated for their ability to detect NACs through quenching of fluorescence intensity. Quenching of fluorescence intensity in solution state for NACs, such as nitrobenzene (NB), 2,4,6-trinitrotoluene (TNT) and picric acid (PA), was found to be rapid in both the PILs possessing pyrene and anthracene. The solution-phase Stern-Volmer quenching constants for PA were higher than for other NACs. After these promising results, self-standing films (similar to 12 mm thick) were also evaluated for fluorescence quenching by NACs as well as possible interferents of different nature. These films also exhibited rapid and selective fluorescence quenching when exposed to the saturated vapors of NACs at ambient temperature and pressure. Fluorescence emission of PIL films was affected little by the presence of commonly found interferents. Furthermore, fluorescence intensity could be recovered after the quenching, enabling the reuse of these PIL films for detection of NACs. Smart performance of these films and ease of preparation qualify them as attractive candidates in developing sensor devices for sensitive NACs detection in presence of possible interferents.

}, issn = {2050-7488}, doi = {10.1039/c4ta02766c}, author = {Shaligram, Sayali and Wadgaonkar, Prakash P. and Kharul, Ulhas K.} } @article { ISI:000333581400004, title = {Functionalization of cardanol: towards biobased polymers and additives}, journal = {Polymer Chemistry}, volume = {5}, number = {9}, year = {2014}, month = {OCT}, pages = {3142-3162}, publisher = {ROYAL SOC CHEMISTRY}, address = {THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND}, abstract = {

Among the renewable resource materials, cashew nut shell liquid (CNSL) is considered as an important starting material due to its unique structural features, abundant availability and low cost. A large number of chemicals and products have been developed starting from CNSL by taking advantage of the three reactive sites, namely, phenolic hydroxyl, aromatic ring and unsaturation(s) in the alkenyl side chain. This comprehensive review deals with general information on CNSL, its purification and separation methods, reactivity and applications in polymer chemistry.

}, issn = {1759-9954}, doi = {10.1039/c3py01194a}, author = {Voirin, Coline and Caillol, Sylvain and Sadavarte, Nilakshi V. and Tawade, Bhausaheb V. and Boutevin, Bernard and Wadgaonkar, Prakash P.} }