## Molecular basis of polymer networks: proceedings of the 5th IFF-Ill Workshop, Jülich, Fed. Rep. of Germany, October 5-7, 1988The contributors to this volume appraise our knowledge of the molecular physics of polymer networks and pinpoint areas of research where significant advances can be made using new theories and techniques. They describe both theoretical approaches, based on new theoretical concepts and original network models, and recent experimental investigations using SANS, 2H NMR or QELS. These new techniques provide precise information about network behaviour at the molecular level. Reported results of the application of these and more traditional techniques include the microscopic conformation and properties of permanent networks or gels formed by specific interchain interactions, the behaviour of elastomer liquid crystals, and the static and dynamic properties of star-branched polymers. |

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Page 57

In a large range of

superposable to that of the equivalent solution. It is only when one approaches

the syneresis that an excess of signal appears. The case of the end- linking is

less precise, ...

In a large range of

**crosslinking**densities, the signal remains practicallysuperposable to that of the equivalent solution. It is only when one approaches

the syneresis that an excess of signal appears. The case of the end- linking is

less precise, ...

Page 61

It can simply be said that the description of the results using this basis would

mean that the density of "chemical"

In order to get a much lower hump, comparable (in height) to the experimental

one, ...

It can simply be said that the description of the results using this basis would

mean that the density of "chemical"

**crosslinks**was, above, widely overestimated.In order to get a much lower hump, comparable (in height) to the experimental

one, ...

Page 141

Unlike usual networks, where we expect an increase of the storage modulus with

increasing

In all cases, G' parallels G" over up to five decades. The moduli can be ...

Unlike usual networks, where we expect an increase of the storage modulus with

increasing

**cross- linking**density, G' decreases in the case of the micronetworks .In all cases, G' parallels G" over up to five decades. The moduli can be ...

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### Contents

Remarks | 2 |

The BaumgartnerMuthukumar Effect in Networks | 11 |

Statistical Mechanics of dDimensional Polymer Networks and Exact | 17 |

Copyright | |

14 other sections not shown

### Other editions - View all

Molecular Basis of Polymer Networks: Proceedings of the 5th IFF-ILL Workshop ... Artur Baumgärtner,Claude E. Picot No preview available - 2011 |

### Common terms and phrases

42 Molecular Basis anisotropy Basis of Polymer Bastide behaviour C.E. Picot calculated carrageenan chain segments Chem chemical chemical potential conformation constant constraints correlations corresponding crosslinking curves deformation density dependence deswelling deuterated deviatoric distribution dynamics Editors effect elastic free energy elementary strand elongation entanglements entropy equation equilibrium excluded volume experimental experiments exponent factor Flory Flory-Huggins Flory-Huggins theory fluctuations fractal dimension free chains free energy Gaussian gelation Gennes Heidelberg 1989 increases interaction parameter isotropic labelled paths length linear Macromolecules macroscopic measurements melt modulus molecular weight monomers network chains neutron scattering observed obtained orientation PDMS chains phantom network Phys polyelectrolyte Polymer Networks polymeric fractals polystyrene Proceedings in Physics radius of gyration ratio Rouse model rubber elasticity sample scaling solution solvent Springer Proceedings Springer-Verlag Berlin star molecules star polymers structure surface swelling swollen temperature theory topological uniaxial values vector viscoelastic viscosity volume fraction