01695nas a2200205 4500008004100000022001400041245013500055210006900190260006800259300001200327490000700339520088800346653002101234653003401255653002101289653001401310100002001324700001901344856012601363 2005 eng d a0021-899500aFunctional copolymers of p-cumyl phenyl methacrylate and glycidyl methacrylate: synthesis, characterization, and reactivity ratios0 aFunctional copolymers of pcumyl phenyl methacrylate and glycidyl a111 RIVER ST, HOBOKEN, NJ 07030 USAbJOHN WILEY & SONS INCcJUL a336-3470 v973 a

Free-radical polymerization of p-cumyl phenyl methacrylate (CPMA) was performed in benzene using bezoyl peroxide as an initiator at 80° C. The effect of time on the molecular weight was studied. Functional copolymers of CPMA and glycidyl methacrylate (GMA) with different feed ratios were synthesized by free-radical polymerization in methyl ethyl ketone at 70° C, and they were characterized by FTIR and H-1-NMR spectroscopy. The molecular weights and polydispersity indexes of the polymers and copolymers were determined by gel permeation chromatography. The copolymer composition was determined by H-1-NMR. The glass-transition temperature of the polymer and the copolymers was determined by differential scanning calorimetry. The reactivity ratios of the monomers were determined by the Fineman-Ross and Kelen-Tudos methods. © 2005 Wiley Periodicals, Inc.

10acopolymerization10afunctionalization of polymers10aglass-transition10asynthesis1 aRatnaprabha, K.1 aDaliya, P., K. uhttp://library.ncl.res.in/content/functional-copolymers-p-cumyl-phenyl-methacrylate-and-glycidyl-methacrylate-synthesis-002511nas a2200241 4500008004100000022001400041245010100055210006900156260007700225300001400302490000700316520163400323653002101957653001301978653001301991653001302004100002502017700002402042700002602066700002102092700002502113856013102138 2007 eng d a0947-653900aExhaustive analysis of frontal copolymerization of functionalized monovinyl and divinyl monomers0 aExhaustive analysis of frontal copolymerization of functionalize aBOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANYbWILEY-V C H VERLAG GMBHcAPR a5862-58720 v133 a

A series of copolymers of 2-hydroxyethyl methacrylate (HEMA)/ glycidyl methacrylate (GMA) and ethylene dimethacrylate (EGDM) were synthesized by frontal polymerization (FP). This study was conducted to investigate the effect of crosslink density, type and concentration of initiator, the use of a complex initiator system, porogen, and diluent on the most relevant parameters of FP, such as sustainability of the front, temperature profile, front velocity, and yield. The products were also characterized for intruded pore volume, pore-size distribution, epoxy-functionality number, and surface morphology. Higher crosslink densities (CLDs) and initiator concentration produced higher front velocities, whereas no trend in front temperature was noted. A complex initiation system was effective in stabilizing and increasing the polymerization yield. Relative to suspension polymerization (SP), FP products synthesized without a solvent were microporous, whereas micro-to-macroporous products were obtained in the presence of a solvent (for HEMA-EGDM polymers). We also present, explain, and discuss the exotic patterns observed under a microscope. We observed two basic types of spatial patterns, namely, planar and nonplanar patterns. The type of planar pattern observed under scanning electron microscopy (SEM) has a spatial impulse that appears as a loop followed by regular periodic motion in the radial and axial directions. This behavior gives rise to a repeating pattern that is a few microns thick. Also, nonplanar patterns, namely, layered concentric rings and winding staircase patterns, were observed under SEM.

10acopolymerization10apatterns10aPolymers10aporosity1 aPujari, Narahari, S.1 aInamdar, Satish, R.1 aAmbekar, Jalindar, D.1 aKulkarni, B., D.1 aPonrathnam, Surendra uhttp://library.ncl.res.in/content/exhaustive-analysis-frontal-copolymerization-functionalized-monovinyl-and-divinyl-monomers-002029nas a2200289 4500008004100000022001400041245011700055210006900172260007600241300001400317490000800331520102100339653002101360653001301381653002101394653001901415653001401434100002601448700002001474700001601494700002301510700002001533700002001553700001801573700001801591856013001609 2007 eng d a0021-899500aPhotodegradation of ethylene/propylene/polar monomers, Co-, and terpolymers. II. prepared by Ni catalyst systems0 aPhotodegradation of ethylenepropylenepolar monomers Co and terpo aCOMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USAbWILEY-BLACKWELLcMAY a1783-17910 v1043 a

The copolymers of ethylene/propylene as well as their terpolymers with polar monomers were prepared by Ni-catalyst systems and their photodegradation behavior was studied by Fourier transform infrared spectroscopy. The polar monomers used to synthesize co- and terpolymers of ethylene/propylene/polar monomer were 5-hexen-1-ol, 10-undecen-1-ol, acrylamide, methylmethacrylate, acrylonitrile, and methylvinyl ketone. The morphological changes of the irradiated samples were determined by scanning electron microscopy. The photodegradation kinetics has also been studied. The surface damage caused by polychromatic irradiation (lambda >= 290 nm) at 55 degrees C in atmospheric air is presented in different micrographs. The rate of photo-oxidative degradation is very fast in terpolymers containing polar monomers as compared with copolymers and homopolymers. The morphological study of the photodegraded samples showed a very good correlation with the photodegraded results. (c) 2007 Wiley Periodicals, Inc.

10acopolymerization10aEthylene10aPhotodegradation10apolar monomers10apropylene1 aFernandes, Susete, N.1 aCorreia, Sandra1 aMatos, Ines1 aMarques, Maria, M.1 aRana, Sravendra1 aKumar, Bijandra1 aGupta, M., K.1 aSingh, R., P. uhttp://library.ncl.res.in/content/photodegradation-ethylenepropylenepolar-monomers-co-and-terpolymers-ii-prepared-ni-catalyst02264nas a2200217 4500008004100000022001400041245011800055210006900173260006800242300001400310490000800324520145500332653001301787653002401800653002101824653001401845100001801859700002001877700001801897856013101915 2007 eng d a0021-899500aSynthesis of poly(aniline-co-o-toluidine) coatings and their corrosion-protection performance on low-carbon steel0 aSynthesis of polyanilinecootoluidine coatings and their corrosio a111 RIVER ST, HOBOKEN, NJ 07030 USAbJOHN WILEY & SONS INCcFEB a1868-18780 v1033 a

Strongly adherent poly(aniline-co-o-toluidine) coatings were synthesized on low-carbon-steel substrates by the electrochemical copolymerization of aniline with o-toluidine with sodium tartrate as the supporting electrolyte. These coatings were characterized with cyclic voltammetry, ultraviolet-visible absorption spectroscopy, Fourier transform infrared spectroscopy, nuclear magnetic resonance spectroscopy, and scanning electron microscopy. The formation of the copolymer with the mixture of monomers in the aqueous sodium tartrate solution was ascertained by a critical comparison of the results obtained from the polymerizations of the individual monomers, aniline and o-toluidine. The optical absorption spectrum of the copolymer was drastically different from the spectra of the respective homopolymers, polyaniline and poly(o-toluidine). The extent of the corrosion protection offered by poly(aniline-co-o-toluidine) coatings to low-carbon steel was investigated in aqueous 3% NaCl solutions by open-circuit-potential measurements and a potentiodynamic polarization technique. The results of the potentiodynamic polarization measurements showed that the poly(aniline-co-o-toluidine) coatings provided more effective corrosion protection to low-carbon steel than the respective homo-polymers. The corrosion rate depended on the feed ratio of o-toluidine used for the synthesis of the copolymer coatings. (c) 2006 Wiley Periodicals, Inc.

10aCoatings10aconducting polymers10acopolymerization10asynthesis1 aPawar, Pritee1 aSainkar, S., R.1 aPatil, P., P. uhttp://library.ncl.res.in/content/synthesis-polyaniline-co-o-toluidine-coatings-and-their-corrosion-protection-performance-low01740nas a2200241 4500008004100000022001400041245017200055210006900227260008600296300001200382490000700394520074800401653003701149653002701186653002101213653002301234653002201257653002301279100002701302700002501329700001901354856012501373 2016 eng d a1060-132500aSynthesis of 2-phenoxy-2-phenylethyl acrylate and copolymerization with 2-phenylethyl acrylate: estimation of monomer reactivity ratios, thermal and optical properties0 aSynthesis of 2phenoxy2phenylethyl acrylate and copolymerization  a530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USAbTAYLOR & FRANCIS INCcMAY a457-4640 v533 a

A new aromatic based monomer 2-phenoxy-2-phenylethyl acrylate (PPEA) was synthesized. Copolymers of PPEA with 2-phenylethyl acrylate (PEA) were prepared by free radical polymerization. The reactivity ratios were estimated using various graphical methods. Structural parameters of the copolymers were obtained by calculating the dyad monomer sequence fractions and the mean sequence length. Optical properties of polymers such as refractive indices and UV-Visible absorption were investigated. The glass transition temperature and thermal degradation behavior of the copolymers were studied. Combined with the RI, transparency and thermal properties, prepared copolymers hold great promise as materials for intraocular lens applications.

10a2-Phenoxy-2-phenylethyl acrylate10a2-phenylethyl acrylate10acopolymerization10aOptical properties10areactivity ratios10aThermal properties1 aGhorpade, Ravindra, V.1 aPonrathnam, Surendra1 aChavan, Nayaku uhttp://library.ncl.res.in/content/synthesis-2-phenoxy-2-phenylethyl-acrylate-and-copolymerization-2-phenylethyl-acrylate