Search Results - "Novak, Bruce M"
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Synthesis and Characterization of Partially Fluorinated Polybenzoxazine Resins Utilizing Octafluorocyclopentene as a Versatile Building Block
Published in Macromolecules (08-09-2015)“…Two new fluorinated diamine-based benzoxazines using octafluorocyclopentene (OFCP) as a building block have been developed. Monomers were synthesized via two…”
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2
Rigid, Helical Arm Stars through Living Nickel Polymerization of Carbodiimides
Published in Macromolecules (14-02-2017)“…Using the core-first growth strategy, we have synthesized a tris-Ni(II) initiator which bears three initiating sites for the ensuing polymerization of…”
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3
UV- and Thermo-Controllable Azobenzene-Decorated Polycarbodiimide Molecular Springs
Published in Macromolecules (22-05-2018)“…Molecular switches offer wide applicability through conformational changes which can be triggered by external stimuli. Azobenzenes are excellent candidates to…”
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4
Solid State Sensing of Nonpolar VOCs Using the Bistable Expansion and Contraction of Helical Polycarbodiimides
Published in Macromolecules (11-07-2017)“…A molecular switch that operates from the discrete expansion and contraction of helical polymer chain segments in response to chemical environment is studied…”
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5
Controlled Living Polymerization of Carbodiimides Using Versatile, Air-Stable Nickel(II) Initiators: Facile Incorporation of Helical, Rod-like Materials
Published in Macromolecules (22-07-2014)“…The new polymerization of carbodiimides using two, simple [bis(triphenylphosphino)aryl]nickel(II) bromide complexes has been discovered to occur in a…”
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Characterization of Fibrous Aggregated Morphologies and Other Complex Architectures Self-Assembled from Helical Alkyne and Triazole Polycarbodiimides (R)- and (S)‑Families in the Bulk and Thin Film
Published in Macromolecules (23-06-2015)“…We report here the self-assembly studies of 22 polycarbodiimides (PCDs) in complex morphologies such as fibers, looped fibers, fibrous networks, ribbons,…”
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Chiroptical Switching Polyguanidine Synthesized by Helix-Sense-Selective Polymerization Using [(R)-3,3‘-Dibromo-2,2‘-binaphthoxy](di-tert-butoxy)titanium(IV) Catalyst
Published in Journal of the American Chemical Society (23-02-2005)“…A series of chiral binaphthyl titanium alkoxide complexes were synthesized. Among them, chiral titanium complex…”
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8
Study of a melt processable polymer precursor for carbon fiber
Published in Carbon Letters (01-12-2019)“…Carbon fibers (CF) are predominantly being manufactured from polyacrylonitrile (PAN) based precursors which require solution spinning utilizing health…”
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9
A New, More Versatile, Optical Switching Helical Polycarbodiimide Capable of Thermally Tuning Polarizations ±359
Published in Macromolecules (23-02-2010)“…An in depth study of newly synthesized polycarbodiimides containing asymmetric aryl pendant groups has been performed. The focus of this study was to create…”
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10
One-Pot, One-Catalyst Synthesis of Graft Copolymers by Controlled ROMP and ATRP Polymerizations
Published in Macromolecules (16-11-2004)Get full text
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11
Helix-Sense Selective Polymerization of Carbodiimides: Building Permanently Optically Active Polymers from Achiral Monomers
Published in Journal of the American Chemical Society (07-04-2004)“…The helix-sense selective polymerization of achiral monomers by homochiral catalysts was investigated. Polymerization of chiral carbodiimides…”
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12
Resolving the Regioregularity of Poly(N-n-hexyl-N′-phenylcarbodiimide) via Nitrogen-15 Labeling
Published in ACS macro letters (19-06-2012)“…Nitrogen-15 nuclear magnetic resonance (NMR) spectroscopy and infrared spectroscopy (IR) were performed on an isotope-enriched…”
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13
Helical Polyguanidines Prepared by Helix-Sense-Selective Polymerizations of Achiral Carbodiimides Using Enantiopure Binaphthol-Based Titanium Catalysts
Published in Macromolecules (15-05-2007)“…The polymerization of N-(n-hexyl)-N‘-phenylcarbodiimide was studied using a number of homochiral catalysts based on binaphthol derivatives. All polymers showed…”
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14
A Thermal and Solvocontrollable Cylindrical Nanoshutter Based on a Single Screw-Sense Helical Polyguanidine
Published in Angewandte Chemie International Edition (11-11-2005)“…Helix‐sense‐selective polymerization of an achiral carbodiimide using a chiral titanium catalyst yields the regioregular, stereoregular…”
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15
Simple and efficient anionic polymerization of N‐phenylmaleimide with fluorides as an initiator
Published in Journal of applied polymer science (10-08-2020)“…ABSTRACT The facile anionic polymerization of N‐phenylmaleimide (N‐PMI) using fluorides as an initiator has been discovered and systematically investigated…”
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16
Mechanistic Studies on the Aryl−Aryl Interchange Reaction of ArPdL2I (L = Triarylphosphine) Complexes
Published in Journal of the American Chemical Society (24-12-1997)“…The aryl−aryl interchange reaction of ArPdL2I complex 1m was found to follow pseudo-first-order kinetics. A marked inhibition in the presence of excess…”
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17
Cyclopolymerization of 1,2-Dicarbodiimides
Published in Macromolecules (10-08-2021)“…Intramolecular cyclopolymerizations have been achieved by the polymerization of 1,2-dicarbodiimides using a CpTiCl2OCH2CF3 catalyst. Here, we have extended the…”
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18
Neutral Palladium Complexes as Catalysts for Olefin−Methyl Acrylate Copolymerization: A Cautionary Tale
Published in Macromolecules (23-10-2001)“…Neutral palladium complexes bearing pyrrole−imine ligands (I−III) have been synthesized, and their use as catalysts for olefin and vinyl monomer…”
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Hierarchical Chirality in Polycarbodiimides
Published in Israel journal of chemistry (01-11-2011)“…Non‐linear or helical polycarbodiimides feature a nitrogen‐rich fully substituted guanidine‐like backbone repeat unit with two synthetically selective pendant…”
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Synthesis of Alkyne-Functionalized Helical Polycarbodiimides and their Ligation to Small Molecules using ‘Click’ and Sonogashira Reactions
Published in Macromolecules (09-08-2011)“…New terminal alkyne side chain functionalized polycarbodiimides, have been synthesized and “alkyne” ligation tools“click” (copper-catalyzed Huisgen…”
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