## 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 109

In other words the reorientational motions of the segments along the network

chains are

observed spectrum for X j 1 appears as the typical response of atf '

In other words the reorientational motions of the segments along the network

chains are

**uniaxial**around the direction of the applied constraint. Therefore theobserved spectrum for X j 1 appears as the typical response of atf '

**uniaxial**fluid ...Page 110

This proves that as the probe chains (or the probe benzene molecules) diffuse

through the deformed matrix ,its segments (or its symmetry axis) undergo

reorientations around the stress direction and then acquire an orientational order,

...

This proves that as the probe chains (or the probe benzene molecules) diffuse

through the deformed matrix ,its segments (or its symmetry axis) undergo

**uniaxial**reorientations around the stress direction and then acquire an orientational order,

...

Page 115

Two major results have thus been experimentally demonstrated: - The induced

uniaxiality is not only macroscopic, but is also clearly reflected at a molecular

scale: indeed, the network chain segments acquire a

in a ...

Two major results have thus been experimentally demonstrated: - The induced

uniaxiality is not only macroscopic, but is also clearly reflected at a molecular

scale: indeed, the network chain segments acquire a

**uniaxial**dynamics, resultingin a ...

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### Contents

Remarks | 2 |

Statistical Mechanics of dDimensional Polymer Networks and Exact | 17 |

FluctuationInduced Deformation Dependence of the FloryHuggins | 35 |

Copyright | |

12 other sections not shown

### Common terms and phrases

anisotropy Basis of Polymer Bastide behaviour blends calculated carrageenan chain segments Chem chemical chemical potential configuration conformation constant constraints 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 fluctuations fractal dimension free chains free energy Gaussian gelation Gennes increases interaction parameter isotropic labelled paths length linear Macromolecules macroscopic measurements melt modulus Molecular Basis molecular weight monomers network chains neutron scattering observed obtained P.G. de Gennes PDMS chains phantom network Phys Picot polyelectrolyte Polymer Networks polymeric fractals polystyrene Proceedings in Physics properties radius of gyration ratio reptation rod network Rouse model rubber elasticity sample scaling solution solvent Springer Proceedings star molecules star polymers structure surface swelling swollen temperature theory topological uniaxial values vector viscoelastic viscosity volume fraction