Polymer-Solvent Molecular Compounds

Guenet, Jean-Michel

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Table of contents
  • Table of Contentsv
  • Forewordix
  • About the Authorxi
  • Introductionxii
  • PART I: Investigation tools1
  • Chapter 1 Phase diagrams3
  • Gibbs phase rules3
  • Types of transformation6
  • The solvent crystallization method10
  • Metastability10
  • Effect of pressure10
  • Spinodal decomposition11
  • Incongruently melting compounds12
  • Size and nucleation effects13
  • Flory’s theory14
  • Chapter 2 Scattering and diffraction16
  • Theoretical16
  • Scattering by cylindrical objects19
  • Scattering and diffraction by helices20
  • Effect of contrast24
  • Scattering by polydispersed systems25
  • Scattering by semi-rigid systems27
  • Scattering by randomly aggregated systems29
  • Scattering by a regularly folded chain29
  • Experimental aspect30
  • Neutron scattering and diffraction30
  • X-ray scattering and diffraction32
  • Light scattering33
  • Chapter 3 NMR Spectroscopy36
  • Chapter 4 Some theoretical approaches41
  • A fractal view of thermoreversible gels41
  • Fibril fractal dimension vs chain persistence length43
  • The critical gelation concentration Cgel44
  • Fibril stability45
  • Rheological behaviour: modulus vs concentration47
  • On the definition of thermoreversible gels49
  • Chain conformation51
  • Scale-free networks53
  • PART II: Biopolymer complexes55
  • Chapter 5 Cellulose57
  • Cellulose I and II57
  • Complexes of cellulose60
  • Complexes with soda. Cellulose I–cellulose II transformation60
  • Complexes with liquid ammonia64
  • Complexes with amines64
  • Complexes with inorganic acids68
  • Cellulose III68
  • Chapter 6 Agarose70
  • The sol state72
  • The gel state75
  • Thermodynamics75
  • Gel nanostructure79
  • About the sol–gel transition81
  • Gel rheology82
  • Gels from modified agarose83
  • Chapter 7 Amylose87
  • A-amylose88
  • B-amylose90
  • V-amylose91
  • Chapter 8 Chitin96
  • Chapter 9 Deoxyribonucleic acid (DNA)99
  • PART III: Synthetic polymer complexes105
  • Chapter 10 Atactic poly[vinyl chloride]107
  • The gel state110
  • Formation and melting behaviour110
  • Gel morphology113
  • Gel nanostructure114
  • Nanostructure of gels from chemically modified PVCs121
  • The pregel state126
  • Molecular structure of PVC aggregates126
  • Gel rheology131
  • PVC gels131
  • Gels from chemically modified PVCs136
  • Chapter 11 Polyaniline137
  • Properties of solutions137
  • Solid state molecular structure141
  • Gels145
  • Chapter 12 Poly[vinylidene fluoride]150
  • Chapter 13 Liquid-crystalline polymers160
  • PART IV: Intercalates and clathrates163
  • Chapter 14 Poly ethylene oxide165
  • Clathrates and inclusion compounds166
  • Intercalates169
  • Intercalates through molecular recognition169
  • PEO/hydroxybenzene compounds172
  • Chapter 15 Isotactic polystyrene180
  • Thermoreversible gels180
  • Thermodynamics: temperature–concentration phase diagrams181
  • Morphology and molecular structure186
  • Rheological properties193
  • Assemblies of spherulites195
  • Thermodynamics196
  • Morphology and molecular structure198
  • Solvent-induced structures201
  • Hybrid systems: polymer and self-assembled structures. metallogels203
  • Chapter 16 Syndiotactic polystyrene210
  • Solvent-induced compounds214
  • Solvent sorption and crystallization214
  • Thermal stability218
  • Morphology220
  • Crystalline structures222
  • Solution-cast compounds226
  • Single crystals226
  • Spherulitic textures. Phase diagrams228
  • Compounds from high-melting-point solvents232
  • Thermoreversible gels242
  • sPS/benzene242
  • sPS/toluene246
  • sPS/chloroform247
  • sPS/tetrahydronaphthalene (tetraline)248
  • Effect of formation path on melting behaviour250
  • Multiporous networks251
  • Chapter 17 Atactic polystyrene255
  • Thermodynamics255
  • Molecular structure260
  • Mechanical properties263
  • Chapter 18 Syndiotactic poly[p-methyl styrene]265
  • Non-solvated forms265
  • Clathrates266
  • Chapter 19 Stereoregular poly[methyl methacrylate]s271
  • Evidence for compound formation273
  • Temperature–concentration phase diagrams273
  • Spectroscopic methods276
  • Gel molecular structure278
  • Gel rheology283
  • Conclusion284
  • References286
  • Index307
  • Color Plates313
Book details
  • Vendor Elsevier S & T
  • SKU 9780080451442
  • ISBN-13 9780080555034
  • Author Guenet, Jean-Michel
  • Category Technology & Engineering
  • Subject Materials Science

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Crystallisable polymers represent a large share of the polymers used for manufacturing a wide variety of objects, and consequently have received continuous attention from scientists these past 60 years.

Molecular compounds from crystallisable polymers, particularly from synthetic polymers, are receiving growing interest due to their potential application in the making of new materials such as multiporous membranes capable of capturing large particles as well as small pollutant molecules. The present book gives a detailed description of these promising systems.

The first chapter is devoted to the presentation of important investigational techniques and some theoretical approaches. The second chapter is devoted to biopolymers, the first polymers known to produce molecular compounds, chiefly with water. The third chapter deals with synthetic polymers where compound formation is either due to hydrogen-bonding or to electrostatic interactions. The fourth chapter describes intercalates and clathrates systems for which compound formation is mainly due to a molecular recognition process.

- First book on the subject
- Gives a short but exhaustive description of investigational tools
- Covers both biopolymers and synthetic polymers
- Uses temperature-concentration phase diagrams abundantly for describing the systems
- Describes systems from the nano to the microscopic level, including mechanical properties