## 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 3

The Microscopic and the

be studied from a microscopic or from a

microscopic approach is interesting in itself but, in general, the results of the

investigations ...

The Microscopic and the

**Macroscopic**Approach The properties of networks canbe studied from a microscopic or from a

**macroscopic**point of view. Themicroscopic approach is interesting in itself but, in general, the results of the

investigations ...

Page 102

Denoting the ratio of the final

deformed state to that in the reference state by Xx. the x-component of the

distance between points i and j may be written as <Ax2,> <XiV= Xx + 0 - A2) <x^>

0 (4) ij o ...

Denoting the ratio of the final

**macroscopic**length along the x-direction in thedeformed state to that in the reference state by Xx. the x-component of the

distance between points i and j may be written as <Ax2,> <XiV= Xx + 0 - A2) <x^>

0 (4) ij o ...

Page 103

Relationship of molecular deformation Ax of a path to the

deformation Xx. The lowest curve with d = 0 refers to a single chain. The dashed

line, showing affine deformation refers to a path containing infinitely many

junctions.

Relationship of molecular deformation Ax of a path to the

**macroscopic**deformation Xx. The lowest curve with d = 0 refers to a single chain. The dashed

line, showing affine deformation refers to a path containing infinitely many

junctions.

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### Contents

Remarks | 2 |

Statistical Mechanics of dDimensional Polymer Networks and Exact | 17 |

FluctuationInduced Deformation Dependence of the FloryHuggins | 35 |

Copyright | |

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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 configuration conformation constant constraints corresponding crosslinking curves deformation density dependence deswelling deuterated distribution dynamics 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 P.G. de Gennes PDMS chains phantom network Phys polybutadiene polyelectrolyte Polymer Networks Editors polymeric fractals 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 swelling swollen temperature theory topological uniaxial values vector Vilgis viscoelastic volume fraction