Annual ReportU.S. Department of Commerce, National Bureau of Standards, 1979 - Plastics |
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Page 9
... fluoride ) in which the polarization resides in the crystalline phases of the polymer and the polarization attainable is an order of magni- tude larger than that of typical amorphous polymers . The model developed here for piezoelectric ...
... fluoride ) in which the polarization resides in the crystalline phases of the polymer and the polarization attainable is an order of magni- tude larger than that of typical amorphous polymers . The model developed here for piezoelectric ...
Page 10
... fluoride ( PVDF ) . The molecular dipoles within the crystal are assumed to have two or more orientations available to them and the lattice energy of a given orientational site is assumed to be proportional to the fraction of molecules ...
... fluoride ( PVDF ) . The molecular dipoles within the crystal are assumed to have two or more orientations available to them and the lattice energy of a given orientational site is assumed to be proportional to the fraction of molecules ...
Page 13
... fluoride ( PVDF ) , 50 μm thick , with a piezoelectrically active central spot of about one millimeter diameter . The close impedance match of PVDF to water makes the hydrophone acoustically transparent in use . Thus , whether the ...
... fluoride ( PVDF ) , 50 μm thick , with a piezoelectrically active central spot of about one millimeter diameter . The close impedance match of PVDF to water makes the hydrophone acoustically transparent in use . Thus , whether the ...
Page 22
... fluoride ) ( PVF2 ) as " compatibilizer " or a common solvent . We prepared methacrylate polymers labeled with donor or acceptor . The efficiencies of energy transfer in three polymer blends with the following components were determined ...
... fluoride ) ( PVF2 ) as " compatibilizer " or a common solvent . We prepared methacrylate polymers labeled with donor or acceptor . The efficiencies of energy transfer in three polymer blends with the following components were determined ...
Page 47
... fluoride which has a T -38 ° C showed non - conventional or Type II behavior above a transition vapor pressure , p * , and conventional behavior below p * . On the imposition of a uniaxial tensile strain , transport properties and ...
... fluoride which has a T -38 ° C showed non - conventional or Type II behavior above a transition vapor pressure , p * , and conventional behavior below p * . On the imposition of a uniaxial tensile strain , transport properties and ...
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alloys antioxidant ASTM B. M. Fanconi behavior bonding characterization chemical chromatography composite crystalline crystals D. H. Reneker D. L. VanderHart Dental Dental Composite dependence determine developed dielectric diffusion coefficients durability effects elastic modulus elastomers Electrical Electrical Insulating electrodes energy fibers fluoride G. B. McKenna G. M. Brauer Gel Permeation Chromatography hydrophone I. C. Sanchez implant interaction intrinsic viscosity J. A. Tesk J. M. Cassel L. E. Smith L. J. Zapas lattice M. G. Broadhurst Macromolecules McCrackin measurements methacrylate migration molecules monomer oxidation parameters permeation Peterlin phase physical piezoelectric Piezoelectric Polymer plastics polarization poly polyethylene Polymer Chain polymer films Polymer Science polymer solutions Polymeric polyolefins polypropylene polystyrene polyurethane pulp PVDF PVF2 pyroelectric R. J. Rubin R. K. Eby Research rubber samples Science and Standards solvent specimens Standards Division stress structure surface techniques temperature thermal Thermogravimetry Toluene transducers UHMWPE Viscoelastic viscosity