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Creator:: Cook, Diana Lynn
Abstract:: Polybenzimidazoles were synthesized from 3,3'-diaminobenzidine (DAB) and dicarboxylic acids. The polymerizations using the dicarboxylic acid monomers were carried out in polyphosphoric acid (PPA) and phosphorus pentoxide/methansulfonic acid (PPMA) which acted as the solvent and condensing agent. The resulting polybenzimidazoles had inherent viscosities in the range of 0.12 to 0.84 dL/g....
Resource Type:: Masters Thesis
Full Text:: sulfone and ether linkages AN ABSTRACT OF THE THESIS OF Diana Lynn Cook for the degree of Master of

Creator:: Carlson, J. Eric
Abstract:: The photohydrodebromination of brominated paracyclophanes was studied to help elucidate the possible mechanistic pathways leading to product for bromoarenes in general. Several brominated [2.2]paracyclophanes were studied to determine the effect of substitution patterns on this reaction. [2.2]Paracyclophanes were chosen for this study in order to investigate possible intramolecular excimer formation...
Resource Type:: Masters Thesis
Full Text:: . Gleicher, Brian Stevenson, Gary Clapp, Rob Schmidt, Kevin Krosley, Diana Cook, Chris Haugen, Erik Krogh

Creator:: Sheppard, Dorothy Louise
Resource Type:: Masters Thesis
Full Text:: requirements for the degree of V~STER OF SCIENCE June 1950 ACKNOWLEDGMENT The author wishes to

Creator:: Casey, Coreen
Abstract:: The target fragment production cross sections, angular distributions, and range distributions have been measured for the interaction of 12-16 A MeV³² S with ¹⁶⁵Ho. The fragment isobaric yield distribution and the moving frame angular distributions have been deduced from the data. Symmetry properties of the moving frame angular distributions have...
Resource Type:: Masters Thesis
Full Text:: Lawrence Berkeley Laboratory, in particular Diana Lee, who allowed me to use their gamma spectrum

Creator:: Azmus, Dora J. Taylor
Abstract:: Polybenzimidazoles were synthesized from 3, 3', 4, 4'-tetraminobiphenyl (diaminobenzidine, or DAB) with orthoesters, carboxylic acid derivatives (an ester and an acid) and with m-benzenedialdehyde. The products were of low molecular weight, as evidenced by low inherent viscosity, except in the case of the dialdehyde plus DAB. The product of that...
Resource Type:: Masters Thesis
Full Text:: sincere thanks to Diana Cook, who assisted with spectroscopy and solvent preparation. To Dr. R. W

Creator:: Miller, Donald Ashley
Resource Type:: Masters Thesis
Full Text:: wife, Diana, for her patience and help both in putting up with the hours needed to produce this thesis

Creator:: Schubert, John Rockwell
Resource Type:: Masters Thesis
Full Text:: to 0.055. This may be taken to mean that the or g anic sulfur contents v a ried from 0.80 to 0.88

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