Physics of Polymer Networks

ISBN-13: 9783662156926 / Angielski / Miękka / 2013 / 249 str.

S. Wartewig; G. Helmis

Opis

Physics of Polymer Networks presents the proceedings of the 29th Europhysics Conference on Macromolecular Physics held in Merseburg, Germany. The main topics of this volume are: - Theory of networks; - Formation of networks; - Sol-gel transition; - Experimental investigations on structure and properties of polymer networks.

Spis treści

Theory of phantom networks — topology, structure, elasticity: New and open problems.- Structural properties of randomly crosslinked polymer networks.- The dynamics of tire tread compounds and their relationship to wek skid behavior.- Relaxation in permanent networks.- Do local motions influence rheological properties near the gelation threshold?.- On the dynamics of moderately and lightly crosslinked polymer networks.- A new approach to polymer networks including finite chain extensibility, topological constraints, and constraints of overall orientation.- Formation of networks — a lattice model for kinetic growth processes.- Gelation and 1,1-transition in three-dimensional condensation and chain polymerization.- Effect of thermal history on amylose gelation.- Rheological, potentiometric and 23Na NMR studies on pectin-calcium systems.- The formation of semiinterpenetrating polymer networks by photoinduced polymerization.- Observation of the curing process of epoxy resins by inverse gas chromatography.- Fluorescence probe studies during the curing of epoxy systems.- Conditions of formation and equilibrium swelling of polymer networks formed by protein macromolecules.- Cross-link fluctuations: NMR properties and rubber elasticity.- Segmental orientation in filled networks.- Field-cycling NMR relation spectroscopy of molten linear and cross-linked polymers Observation of a T 1 ? ?0.25 law for semi-global chain fluctuations.- Segmental orientation of "long" and "short" chains in strained bimodal PDMS networks: A 2H-NMR study.- Small chains in a deformed network. A probe of heterogeneous deformation?.- Aggregation of free chains within a deformed network: A SANS study.- Trapped entanglements in polymer networks and their influence on the stress-strain behavior up to large extensions.- Physical and chemical network effects in polyurethane elastomers.- Influence of the thermodynamical quality of the solvent on the properties of polydimethylsiloxane networks in swollen and dry states.- Triblock copolymers, mesogels and deformation behavior in poor solvents.- Microemulsion mediated polymer networks.- Theory of the mechanical and swelling properties of elastomers with chemical and physical networks.- The effect of free branches on the collapse of olyelectrolyte networks.- Local order and statistics of a polymer chain in an external electric field.- Charge photogeneration in carbazole-containing compounds and valency bands of oligomers.- The peculiarities and nature of large-scale motion of highly crosslinked polymers.- FTIR spectroscopy studies on epoxy networks.- Influence of imidazole on the structure of epoxy amine networks.- Epoxy polymer networks: Relaxation processes and crack resistance.- Fluorescence study of interpenetrating network morphology of polymer films.- Kinetic regularities of polymer network thermal degradation.- Interpenetrating polymer networks based on EVA copolymer and PMMA.- Fast segmental dynamics in poly(methyl metharcrylate)-polyurethane interpenetrating networks.- Thermally and mechanically activated degradation of polyesterurethane networks. Analysis of molecular weight distribution functions.- The solidification of bulk and solution cast segmented polyurethanes.