## 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 140

The local monomer

Mandelkern-Scheraga parameter is close to that of undrained spheres. In a theta-

solvent the micronetworks are selfsimilar. The contraction is the same on all

length scales ...

The local monomer

**density**is increased up to a factor of six. The Flory-Mandelkern-Scheraga parameter is close to that of undrained spheres. In a theta-

solvent the micronetworks are selfsimilar. The contraction is the same on all

length scales ...

Page 141

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

increasing cross- linking

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

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 ot ...

Page 187

They demonstrate that the reduced

0, is a very significant parameter in polymer networks and, as this parameter

increases, the noncovalent EV contribution to the deviatoric stress becomes ...

They demonstrate that the reduced

**density**p, or equivalently the packing fraction0, is a very significant parameter in polymer networks and, as this parameter

increases, the noncovalent EV contribution to the deviatoric stress becomes ...

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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