Influence of Intermoluecular Entangelments Upon the Mechanical Properties of High Polymers |
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acetone angle of strain anomaly Bueche cc H20 Sample cellulose tributyrate check run cm²/dyne concentration constant coupling points creep compliance creep experiments creep measurements DATA FOR 20 DATA log degree of polymerization density DIETHYL PHTHALATE disc-shaped samples dynamic measurements dynamic mechanical dynamic shear Falling Ball Figure 11 Fitzgerald apparatus fractions function g CTB imaginary components inches intrinsic viscosities log G log J log log Jp logarithmic loss tangent METHACRYLATE IN DIETHYL method molded molecule moment of inertia number of entanglements obtained PENDULUM CREEP DATA PHTHALATE V cps Picatinny Arsenal PLMA plotted poly-n-octyl methacrylate polyisobutylene POLYLAURYL METHACRYLATE polymer POLYMETHYL METHACRYLATE POMA reduced to 100°C reduced to 25°c reduction factors Refractionated relative viscosity RELAXATION SPECTRA retardation spectrum sample coefficient second approximation shear modulus slope solvent stress SUMMARY OF TORSION TABLE V Continued temperature dependence Temperature key tion TORSION PENDULUM CREEP TORSION PENDULUM DATA transducer values vinyl polymers viscometry Viscosity Determination wire