## 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 184

The virial formula provides a more local view of stress, one described in terms of

the atomic interactions, as compared to the usual molecular formulations in which

the chain is the basic unit. It permits the decomposition of the

The virial formula provides a more local view of stress, one described in terms of

the atomic interactions, as compared to the usual molecular formulations in which

the chain is the basic unit. It permits the decomposition of the

**deviatoric**(i.e. ...Page 185

In this system it was found, [4], that for p > 0.4, the EV contribution to the stress

becomes increasingly non-isotropic and for p = 0.7, this contribution to the

recently ...

In this system it was found, [4], that for p > 0.4, the EV contribution to the stress

becomes increasingly non-isotropic and for p = 0.7, this contribution to the

**deviatoric**(i.e. total minus mean) stress becomes dominant. We have morerecently ...

Page 186

... --nkTSij + E <r;1uc1(ra)yi(a)y/a)> + aec E <r;'u' (rjy,(«)yi<«) <4) where the

notations ate or <x«nc indicate that the sums range over all pairs of covalently or

noncovalently interacting atoms, respectively. The

as ...

... --nkTSij + E <r;1uc1(ra)yi(a)y/a)> + aec E <r;'u' (rjy,(«)yi<«) <4) where the

notations ate or <x«nc indicate that the sums range over all pairs of covalently or

noncovalently interacting atoms, respectively. The

**deviatoric**stress T.. is definedas ...

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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