Materials Literature
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The dynamic bulk modulus of a high molecular weight polyisobutylene is calculated from measured longitudinal-wave and shear moduli. A viscous or energy-dissipating process associated with pure volume deformation is found, which appears to be a relaxation process. The peak in absorption of the shear and bulk moduli and…
PressUl'e-voiume-temperature da ta for polyethylene, polytetrafluoroethylcne, polym onochloro t riflu oroethy lcne, polyvinyl fluoride, polyvinylidene fluoride, polyvinyl alcohol, a copolymer of ethy lene-tetrafluoroethy lene (1: 1), and a polyester are reported over the range 20 to 80 C and 1 to 10,000 atmospheres. E…
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Paints pigmented with zinc dust are no modern development—in fact, they have been known and used in the protection of iron and steelwork against corrosion for more than a century. During the last 15 years, however, this class of coating has assumed much greater industrial importance as research and development (much o…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPolycyclic Quaternary Ammonium Salts. IIIF. F. Blicke and Eric B. HotellingCite this: J. Am. Chem. Soc. 1954, 76, 20, 5099–5103Publication Date (Print):October 1, 1954Publication History Published online1 May 2002Published inissue 1 October 1954https://pubs.acs.org/doi/10.10…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Wilfried Heller, Thomas L. Pugh; ``Steric Protection'' of Hydrophobic Colloidal Particles by Adso…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation R. P. Eischens, W. A. Pliskin, S. A. Francis; Infrared Spectra of Chemisorbed Carbon Monoxide. J.…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Thermal Decomposition of MercaptansA. H. Sehon and B. deB. DarwentCite this: J. Am. Chem. Soc. 1954, 76, 19, 4806–4810Publication Date (Print):October 1, 1954Publication History Published online1 May 2002Published inissue 1 October 1954https://doi.org/10.1021/ja01648a011…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTLattice Parameters of Some Rare Earth Compounds and a Set of Crystal RadiiD. H. Templeton and Carol H. DaubenCite this: J. Am. Chem. Soc. 1954, 76, 20, 5237–5239Publication Date (Print):October 1, 1954Publication History Published online1 May 2002Published inissue 1 October…
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The behavior of hafnium oxide was studied particularly in the temperature range 1500° to 18OO°C. Properties of HfO 2 at these temperatures and its reactions with ZrO 2 , SiO 2 , and CaO are given in terms of lattice and other physical measurements, many of which are new. Mono‐clinic hafnium oxide is stable to 1700°C.,…
A calculation is given of the indirect exchange ${\mathrm{I}}_{i}\ifmmode\cdot\else\textperiodcentered\fi{}{\mathrm{I}}_{j}$ type coupling of nuclear magnetic moments in a metal by means of the hyperfine interaction with the conduction electrons. The interaction appears to account qualitatively for the broad nuclear s…