Journal of | Polymer SCI@NCE care c:roiymer physics Volume Contents Volume 29, 1991 Issue 1, January 1991 Editorial An Improvement in the Flory Corresponding-States Theory of Polymer Solutions P. Li, S. Krause, and H. B. Hollinger Gas Transport Properties of Annealed Polyimide Films H. Hachisuka, Y. Tsujita, A. Takizawa, and T. Kinoshita The Evolution of the Viscoelastic Retardation Spectrum During the Development of an Epoxy Resin Network D. J. Plazek and I.-C. Chay Multiple Dark-Field STEM: A New Method for Beam-Sensitive Polymers J. R. White, J. N. Chapman, and S. McVitie Volume-Dependent Rate Processes in an Epoxy Resin C. A. Bero and D. J. Plazek NMR Studies of the Structural Development of High-Speed Melt-Spun Poly(Ethylene Terephthalate) Fibers D. L. Tzou, P. Desai, A. S. Abhiraman, and T.-H. Huang Conformations and 'C NMR Chemical Shifts of Some Polyamides in the Solid State as Studied by High-Resolution '*C NMR Spectroscopy K. Kubo, I. Ando, T. Shiibashi, T. Yamanobe, and T. Komoto Investigation of Ethylene-Vinyl Alcohol Copolymers for Surface Modification of Contact Lenses S. H. Ou, H. Ishida, and J. B. Lando Synthesis and Characterization of Polydimethylsiloxane Polyurea- Urethanes and Related Zwitterionomers C. Z. Yang, C. Li, and S. L. Cooper Solubility of Water in Polyimides: Quartz Crystal Microbalance Measurements C. R. Moylan, M. E. Best, and M. Ree Effects of Orientation on the Mechanical and Dielectric Relaxation Behavior of Cycloaliphatic Polyester Networks R. Diaz-Calleja, E. Riande, and J. Guzman Molecular Deformation of High-Modulus Polyethylene Fibers Studied by Micro-Raman Spectroscopy B. J. Kip, M. C. P. van Evyk, and R. J. Meier Light Scattering and Size Exclusion Chromatography of Semi-flexible Polyimide Precursors S. H. Kim and P. M. Cotts Characterization, Processing, and Properties of an Aromatic Poly(ether ketone) S. J. Bai, M. Dotrong, E. J. Soloski, and R. C. Evers Dependence of Slow Crack Growth in Polyethylene on Butyl Branch Density: Morphology and Theory Y.-L. Huang and N. Brown Issue 2, February 1991 Single-Moiecule Single Crystals H. Bu, Y. Pang, D. Song, T. Yu, T. M. Voll, G. Czornyj, and B. Wunderlich Third Virial Coefficient of Polystyrene in Benzene Y. Nakamura, T. Norisuye, and A. Teramoto Phase Behavior of Polystyrene-Polyisoprene—Toluene Systems in the Temperature Range 15-45°C H.-S. Tseng, D. R. Lloyd, and T. C. Ward Chemical Modification of Poly(substituted-acetylene). I. Synthesis and Gas Permeability of Poly(1-trimethylsilyl-1-propyne)/ Poly(dimethylsiloxane) Graft Copolymer Y. Nagase, T. Ueda, K. Matsui, and M. Uchikura Fiber Formation via Solution Spinning of the Cellulose/Ammonia/ Ammonium Thiocyanate System C.-K. Liu, J. A. Cuculo, T. C. Allen, and A. W. Degroot A Model of Fibril Deformation in Crazes A. I. Leonov and H. R. Brown Complexation Thermodynamics of Free and Graft Oligomers with Complementary Polymers A. B. Scranton, J. Klier, and N. A. Peppas Argon Sorption and Partial Molar Volume in Poly(ethyl methacrylate) above and below the Glass Transition Temperature Y. Kamiya, K. Mizoguchi, Y. Naito, and D. Bourbon Interfacial Effects on Stress Distribution in Model Composites C. F. Fan, D. A. Waldman, and S. L. Hsu Structure—-Property Relationships in Poly(n-vinyl Pyrrolidone)- Phenoxy-Water Gels C. J. Tsang, J. C. Clark, S. T. Wellinghoff, and W. G. Miller BOOK REVIEWS Issue 3, March 15, 1991 Effects of Blending on the Polymorphic Behavior of Melt-Crystallized Syndiotactic Polystyrene G. Guerra, C. de Rosa, V. M. Vitagliano, V. Petraccone, and P. Corradini Ferroelectric Polarization Switching in Nylon-11 J. W. Lee, Y. Takase, B. A. Newman, and J. I. Scheinbeim Effect of Annealing on the Ferroelectric Behavior of Nylon-11 and Nylon-7 J. W. Lee, Y. Takase, B. A. Newman, and J. I. Scheinbeim Nonintegral and Integral Folding Crystal Growth in Low-Molecular Mass Poly(ethylene Oxide) Fractions. I. Isothermal Lamellar Thickening and Thinning S. Z. D. Cheng, A. Zhang, J. Chen, and D. P. Heberer Nonintegral and Integral Folding Crystal Growth in Low-Molecular Mass Poly(ethylene Oxide) Fractions. II]. End-Group Effect: a, w-Methoxy-Poly(ethylene Oxide) S. Z. D. Cheng, J. Chen, A. Zhang, and D. P. Heberer Nonintegral and Integral Folding Crystal Growth in Low-Molecular Mass Poly(ethylene Oxide) Fractions. III. Linear Crystal Growth Rates and Crystal Morphology S. Z. D. Cheng and J. Chen Gas Transport Properties of Liquid Crystalline Poly(ethylene Terephthalate-co-p-Oxybenzoate) D. H. Weinkauf and D. R. Paul The Solubility of Carbon Dioxide and Methane in Polyimides at Elevated Pressures T. Hirose, Y. Mi, S. A. Stern, and A. K. St. Clair X-Ray Scattering Studies of the Structure of Aqueous Hydroxy- Propylcellulose Solutions G. D. Wignall, B. K. Annis, and R. Triolo Biaxial Extension Measurements on Bimodal Elastomeric Networks P. Xu and J. E. Mark ESR and Electrical Conduction in Pyrolyzed Polyimides S. Noro and T. Yamadaya Polyurethane Network Structure from Tensile Tests M. Pegoraro, L. di Landro F. Severini, N. Cao, and P. Donzelli Fatigue Crack Propagation in High-Density Polyethylene J. T. Yeh and J. Runt Issue 4, March 30, 1991 Gas Permeability of a New Silicone Ring Polymer: Isotactic Poly(pheny] silsesquioxane) Y. Miand S. A. Stern Isothermal Heat Treatment of a Thermotropic LCP Fiber J. Sarlin and P. Tormala Miscibility of Solution-Chlorinated Polyethylene with Poly(a- Methylstyrene-co-acrylonitrile) J. M. G. Cowie, E. M. Elexpuru, and I. J. McEwen Blends of Styrene/Maleic Anhydride Copolymers with Polymethacrylates G. R. Brannock, J. W. Barlow, and D. R. Paul Intersegmental Interaction and Critical Concentrations in PET-HFIP Solutions M. F. Sonnenschein and C. M. Roland Relaxations in Thermosets. VI. Effects of Crosslinking on Sub-T, Relaxations During the Curing and Aging of Epoxide-Based Thermosets M. B. M. Mangion and G. P. Johari Nuclear Magnetic Relaxation of a-'*C Nuclei of Helical Poly(y-hexyl-L-Glutamate) and Poly(y-benzyl-L-Glutamate) P. Raby, P. M. Budd, F. Heatley, and C. Price The Effect of Pressure on Gas Permeation Through Semicrystalline Polymers Above the Glass Transition Temperature Y. Naito, K. Mizoguchi, K. Terada, and Y. Kamiya Theories for Network Formation in Multistage Processes G. P. J. M. Tiemersma-Thoone, B. J. R. Scholtens, K. Dusek, and M. Gordon Mathematical Modeling of Seeded Miniemulsion Copolymerization for Oil-Soluble Initiator V. S. Rodriguez, J. M. Asua, M. S. El-Aasser, and C. A. Silebi Kinetic Analysis of Cis-Trans Thermal Isomerization of Polyacetylene Y. Tanabe, H. Kyotani, M. Shimomura, K. Akagi, M. Suezaki, T. Kasai, and H. Shirakawa Small-Angle Neutron and X-Ray Scattering Study of Swollen Nylon-6 J. Plestil, J. Baldrian, Y. M. Ostanevich, and V. Y. Bezzabotnov Issue 5, April 1991 Self-Diffusion of Poly(ethylene Oxide) Fractions and Its Influence on the Crystalline Texture S. Z. D. Cheng, J. S. Barley, and E. D. von Meerwall Crystal Transition and Structure of Poly(y-n-Alkyl Glutamate)s S. Sasaki Step-Strain Deformations for Viscoelastic Fluids: Formulation of a Strain- Coupling Constitutive Equation J. S. Vrentas, D. C. Venerus, and C. M. Vrentas Light-Scattering Studies on Solutions of Cellulose in the Ammonia/ Ammonium Thiocyanate Solvent System. I. Classical Light-Scattering A. W. de Groot, D. E. Guinnup, M. H. Theil, and J. A. Cuculo Light-Scattering Studies on Solutions of Cellulose in the Ammonia/ Ammonium Thiocyanate Solvent System. II. Quasielastic Light- Scattering and Liquid Crystal Study A. W. de Groot, D. E. Guinnup, M. H. Theil, and J. A. Cuculo Percolation Effects in Degradable Polyethylene-Starch Blends J. S. Peanasky, J. M. Long, and R. P. Wool Carboxylate-Containing Chain-Extended Polyurethanes C.-Z. Yang, T. G. Grasel, J. L. Bell, R. A. Register, and S. L. Cooper Determination of Chain Stiffness and Polydispersity from Static Light- Scattering P. Denkinger and W. Burchard A Composite Methodology for Multistage Degradation of Polymers J.-D. Nam and J. C. Seferis Phase Behavior and Gelation of Solutions of Poly(vinyl Alcohol) W. Stoks and H. Berghmans Glass Transitions in Hydrogen-Bonded Polymer Complexes L. F. Wang, E. M. Pearce, and T. K. Kwei COMMUNICATIONS Corrections of Some Misconceptions on the Development and Present Status of Rubber Elasticity E. Guth and H. F. Mark Glass Transitions in Polymer/CO, Mixtures at Elevated Pressures R. G. Wissinger and M. E. Paulaitis Existence of Two Critical Concentrations in Binary Phase Diagrams C. Qian, S. J. Mumby, and B. E. Eichinger Issue 6, May 1991 Thermal and Dilute-Solution Properties of Zwitterionic Copolymers J. Cardoso and O. Manero Thermal, Dielectric, and Mechanical Relaxation in Poly(benzimidazole)/ Poly(etherimide) Blends K. Liang, G. Banhegyi, F. E. Karasz, and W. J. MacKnight Influence of Polydispersity and Amine-Epoxide Ratio on Molecular Mobility in Epoxy Networks G. Iannacchione and E. von Meerwall Charge Transfer Interactions in Some Poly[[o-(trimethylsilyl)- phenyl]acetylene]|—Acceptor Complexes E. T. Kang, K. G. Neoh, and K. L. Tan Microrheology of High-Polymer Solutions J. P. Montfort, A. Tonck, J. L. Loubet, and J. M. Georges Epitaxial Growth of Isotactic Polypropylene on Oriented Polyethylene from Solution A. Kawaguchi, T. Okihara, S. Murakami, M. Ohara, K.-I. Katayama, and J. Petermann Effect of Annealing on Structure and Permeability of Poly- [(/-trimethylsily])-/-propyne] S. Tasaka, N. Inagaki, and M. Igawa Gas Transport in Poly[bis(trifluoroethoxy)phosphazene] above the T(1) Transition K. Mizoguchi, Y. Kamiya, and T. Hirose Synthesis and Characterization of an Amphoteric Ion-Exchange Membrane A. Elmidaoui, B. Boutevin, S. Belcadi, and C. Gavach A Novel Chromatographic Method for Determining the Polydispersity Index for Polymers with a Specified Number of Functional Groups W.-C. Yu and W. L. Mattice Relaxations of Thermosets. VIII. Brillouin Light Scattering During the Curing of Diglycidyl Ether of Bisphenol-A Thermosets M. B. M. Mangion, J. J. Vanderwal, D. Walton, and G. P. Johari Effect of Isopropylidene Replacement on Gas Transport Properties of Polycarbonates J. S. McHattie, W. J. Koros, and D. R. Paul Application of the Bendler-Shlesinger Generalization of the Vogel Equation to Ion-Conducting Polymers J. J. Fontanella, M. C. Wintersgill, C. S. Coughlin, P. Mazaud, and S. G. Greenbaum Structure and Properties of Complex Transition-Metal (II) Salts of Ethylene-Methacrylic Acid Copolymer with 1,3-Bis(aminomethy])- cyclohexane E. Hirasawa, K. Tadano, and S. Yano Phase Behavior of Poly(ethylene Oxide) and Sulfonated Polystyrene Blends with and without Solvent S. C. Lee, M. S. Lee, and W. H. Jo COMMUNICATION Thermally Induced Molecular Orientation in the Noncrystalline Regions of High-Speed Spun Poly(ethylene Terephthalate) Fibers D. R. Salem and H.-D. Weigmann Issue 7, June 1991 Surface Properties and Abhesion of Undecyl Oxazoline Block and Homopolymers G. Cai, M. H. Litt, and I. M. Krieger Essential Work of Fracture and J-Integral Measurements for Ductile Polymers Y.-W. Mai and P. Powell Effect of Thermal Oxidation on the Spherulitic Morphology of High- Density Polyethylene J. Scheirs, S. W. Bigger, and O. Delatycki Counterion Binding to Cationic Polyelectrolytes in Aqueous Solution H. E. Rios, C. Gamboa, and G. Ternero Vibrational Analysis for the All-Trans Ferroelectric Phase Conformation of P(VDF) Homopolymer and of P(VDF/TrFE) Copolymer: A Cluster- Lattice Calculation P. Ordejon, E. Martinez, and J. Plans Relating Microhardness of Poly(ethylene Terephthalate) to Microstructure C. Santa Cruz, F. J. Baltd Calleja, H. G. Zachmann, N. Stribeck, and T. Asano Deformation Mechanisms in Biaxially Drawn Polyethylene N. S. J. A. Gerrits and R. J. Young Brittle Fracture of Entangled Polymers A. G. Mikos and N. A. Peppas The Bending Recovery of Polymer Films. I. A Phenomenological Model J. Greener, A. H. Tsou, K. C. Ng, and W. A. Chen Solid Polymers Doped with Rare Earth Metal Salts. I. Complex Formation and Morphology in the Neodymium Chloride—Poly(Ethylene Oxide) System C. J. Twomey and S. H. Chen Coupling Scheme Applied to Solvent Relaxation Modified by Dissolved Polymer Molecules K. L. Ngai Third-Order Interaction Approximation for Linear Polymer Chains J. Xu, X. Song, Z. Zhou, and D. Yan Interatomic Correlation in Partially Oriented Polymer Fibers H. A. Hristov, R. Barton, Jr., and J. M. Schultz COMMUNICATIONS Crystal Structure of Silk (Bombyx mori) Y. Takahashi, M. Gehoh, and K. Yuzuriha Poly(p-oxybenzoate-co-p-phenylene Isophthalate)s. IV. Crystallization Kinetics of Two Copolyesters H.-B. Tsai, C. Lee, N.-S. Chang, F.-L. Lin, H.-H. Hsu, and A. T. Hu Issue 8, July 1991 Mechanical Anisotropy in Biaxially Oriented Polyvinyl Chloride H. Y. Guney, T. Oskay, and H. S. Ozkan Studies of Structure Formation in Grafting of Polyacrylonitrile to Polycaproamide Fibers G. Bogoeva-Catseva, N. Yu. Pimonenko, G. A. Gabrielyan, F. A. Fazlyev, and L. S. Gal’braikh Transport of Gases in Aromatic Polyesters: Correlation with WAXD Studies S. G. Charati, A. Y. Houde, S. S. Kulkarni, and M. G. Kulkarni Viscoelastic Properties of Styrene-co-Methyl Methacrylate Random Copolymers J. L. Halary, A. K. Oultache, J. F. Louyot, B. Jasse, T. Sarraf, and R. Muller Effect of Diblock Copolymers on Dynamic Mechanical Properties of Polyethylene/Polystyrene Blends B. Brahimi, A. Ait-Kadi, A. Ajji, and R. Fayt Molecular Motion and 'H NMR Relaxation of Aqueous Poly(N-isopropylacrylamide) Solution Under High Pressure H. Ohta, I. Ando, S. Fujishige, and K. Kubota The Kinetics of Flow-Induced Crystallization From Solution A. J. McHugh and J. A. Spevacek Prediction of the Glass Transition Temperature of Cycloaliphatic Amine-Epoxy Networks Y.-G. Won, J. Galy, J.-P. Pascault, and J. Verdu Interaction of CO, Gas with Silicone Elastomer at High Ambient Pressures B. J. Briscoe and S. Zakaria The Gas Permeability and Packing Density of Copolymers of Methacryloxypropyltris(trimethylsiloxy)silane and Methylmethacrylate W. Gu, R. T. Chern, and R. Y. S. Chen A Dual-Mode Interpretation of Spin Relaxation for '*CO, Sorbed in Polycarbonate E. J. Cain, W.-Y. Wen, A. A. Jones, P. T. Inglefield, B. J. Cauley, and J. T. Bendler COMMUNICATIONS A Note on the Morphology of Composite Polymer Particles M. R. Muscato and D. C. Sundberg Components of Transverse NMR Relaxation in Polymer Melts: Influence of Chain-End Dynamics R. Kimmich, M. Kopf, and P. Callaghan Observation of Morphology of Polystyrenic Materials Using Oxygen Plasma Etching N. S. Ramesh, R. Padiyath, G. A. Campbell, and S. V. Babu Model Filled Polymers. VI. Determination of the Crosslink Density of Polymeric Beads by Swelling Z. Y. Ding, J. J. Aklonis, and R. Salovey Issue 9, August 1991 An NMR Study of the Electron Beam-Induced Polymerization of Trimethylolpropane Triacrylate and Trimethylolpropane Trimethacrylate J. W. Harrell, Jr.. M. Choudhury, S. Ahuja, and W. Walker An Analytical Technique for Measuring Relative Tie-Molecule Concentration in Polyethylene A. Lustiger and N. Ishikawa Small-Angle Light Scattering from an Anisotropic Sphere: The Mueller Matrix Approach J. Holoubek Measurement of Molecular Transport in Poly(vinyl Chloride) by the Step Response Technique S. Wachi and J. G. Yates Separation of Styrene-Methacrylate Copoiymers by Composition Using Normal and Reversed-Phase High-Performance Liquid Chromatography H. Sato, K. Ogino, S. Maruo, and M. Sasaki Thermoacoustic Measurements During Cure of Epoxy Resin at Room Temperature H. N. Yoon, C. N. Yoon, and H. C. Kim Measurement of Thermal Diffusivity of Filler-Polyimide Composites by Flash Radiometry N. Tsutsumi, N. Takeuchi, and T. Kiyotsukuri The Reaction of Phenylpropylsilsesquioxane in the Fiber Spinning Regime H. Ishida, R. Shick, and F. Hurwitz Heat Capacities and Entropies of Linear, Aliphatic Polyesters M. Varma-Nair, R. Pan, and B. Wunderlich Relaxations in Thermosets. IX. Ionic Conductivity and Gelation of DGEBA-Based Thermosets Cured with Pure and Mixed Amines M. B. M. Mangion and G. P. Johari Relaxations in Thermosets. X. Analysis of Dipolar Relaxations in DGEBA-Based Thermosets During Isothermal Cure M. B. M. Mangion and G. P. Johari Characterization of a Single Sample of an Unknown Polymer By Size Exclusion Chromatography L. Z. Vilenchik, S. Rubinsztajn, M. Zeldin, and W. K. Fife The Equation of State of Solid and Molten Poly(butylene terephthalate) to 300°C and 200 MPa Y. A. Fakhreddine and P. Zoller The Structure and Properties of Drawn Blends of Poly(vinylidene fluoride) and Poly(methyl methacrylate) G. A. Gallagher, R. Jakeways, and I. M. Ward Transport Properties of a Side-chain Liquid—Crystalline Polymer. Poly(4-acryloyloxy biphenyl) V. Vittoria, R. Russo, F. de Candia, P. L. Magagnini, and B. Bresci Erratum Issue 10, September 1991 Modified Fuoss—Kirkwood Distribution Function for Interpretation of Asymmetric NMR Relaxation Curves. I. H. Schneider A Calorimetric Investigation on High Molecular Weight Polyethylene Reactor Powders S. Ottani and R. S. Porter A Raman LAM Study of Lamellar Thickness of Virgin Polyethylene Powder L. H. Wang, S. Ottani, and R. S. Porter On Orientational and Distortional Contributions to Birefringence N. Heymans