@article { ISI:000245141300021,
	title = {Controlled synthesis of low-molecular-weight polyethylene waxes by titanium-biphenolate-ethylaluminum sesquichloride based catalyst systems},
	journal = {Journal of Applied Polymer Science},
	volume = {104},
	number = {3},
	year = {2007},
	month = {MAY},
	pages = {1531-1539},
	publisher = {JOHN WILEY \& SONS INC},
	type = {Article},
	address = {111 RIVER ST, HOBOKEN, NJ 07030 USA},
	abstract = {<p>Soluble complexes of titanium(IV) bearing sterically hindered biphenols, such as biphenol, 1,1{\textquoteright}-methylene di-2-naphthol, 2,2{\textquoteright}-methylene bis(4-chlorophenol), 2,2{\textquoteright}-methylene bis(6-tert-butyl-4-ethyl phenol), and 2,2{\textquoteright} ethylidene bis(4,6-di-tert-butyl phenol), were prepared and characterized. These catalyst precursors, formulated as [Ti((OO)-O-boolean AND)X-2], were active in the polymerization of ethylene at high temperatures in combination with ethylaluminum sesquichloride as a cocatalyst. The ultra-low-molecular-weight polyethylenes (PEs) were linear and crystalline and displayed narrow polydispersities. The catalytic polymerization leading to PE waxes in this reaction exhibited unique properties that have potential applications in surface coatings and adhesive formulations. (c) 2007 Wiley Periodicals, Inc.</p>},
	keywords = {Catalysts, polyethylene (PE), synthesis, Ziegler-Natta polymerization},
	issn = {0021-8995},
	doi = {10.1002/app.25525},
	author = {Umare, Prashant S. and Rao, Karumanchi and Tembe, Gopal L. and Dhoble, Deepa Arun and Trivedi, Bhavna}
}
@article { ISI:000254672800002,
	title = {Modeling of a fluidized bed propylene polymerization reactor operated in condensed mode},
	journal = {Journal of Applied Polymer Science},
	volume = {108},
	number = {4},
	year = {2008},
	month = {MAY},
	pages = {2067-2076},
	publisher = {JOHN WILEY \& SONS INC},
	type = {Article},
	address = {111 RIVER ST, HOBOKEN, NJ 07030 USA},
	abstract = {<p>The gas-phase polymerization of propylene is one of the most widely accepted and commercially used processes for the manufacture of polypropylene (PP). Because of the highly exothermic nature of polymerization reactions, temperature runaway and subsequent polymer melting and agglomeration may occur, and the reactor has to be operated in a small operating window for safety. The addition of liquid monomer for heat removal (condensed mode) broadens the operating window and can substantially increase (by 50-100\%) the capacity of given reactor hardware. This article describes the extension of a comprehensive mathematical model for the simulation of fluidized bed PP reactors to include the condensed mode of operations. The model is used to determine the influence of the operating parameters on the polymer properties and particle size distribution. The model is also used to determine the effects of two active sites and the reaction kinetics on macroscopic variables. The developed framework is useful for simulating multimonomer, multisite Ziegler-Natta-type olefin fluidized bed polymerization reactors operated under condensed mode. (C) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 108: 2067-2076, 2008.</p>},
	keywords = {Modeling, Polyolefins, Ziegler-Natta polymerization},
	issn = {0021-8995},
	doi = {10.1002/app.27748},
	author = {Utikar, Ranjeet P. and Harshe, Yogesh M. and Mehra, Anurag and Ranade, Vivek V.}
}
