《UNSOLVED PROBLEMS IN POLYMER SCIENCE A COMPILATION OF ESSAYS》

A．Preparations and Reactions of Organic Macromolecules1

1．Condensation Polymerization．＆W．R．Sorenson2

2．Poly-α-amino Acids．＆C．H．Bamford and H．Block5

3．Free Radical Polymerizations．＆M．Morton and F．R．Mayo9

4．Ionic Polymerizations．＆F．R．Mayo and M．Morton13

5．Heterogeneous(Ziegler-Natta)Polymerizations．＆W．L．Carrick18

6．Nonvinyl Addition Polymerizations．＆M．Morton22

7．Chemical Transformations of Polymers．＆C．G．Overberger25

8．Cross-linking and Grafting．＆G．Oster29

9．Degradation(by Heat,Radiation and Oxidation)．＆L．A．Wall32

B．Inorganic and Mixed Macromolecules37

Introduction＆by J．R．Van Wazer37

1．Macromolecules of Main-group Elements(Not Containing C-C,C-O,or C-N Skeletons,or Heavy Metals)．＆A．B．Burg40

2．Macromolecules Based on Heavy Metals．＆O．Glemser45

3．Structural Reorganization and Ring-chain Equilibria．＆J．R．Van Wazer50

4．Inorganic Polyelectrolytes,Including Glasses and Silicate Minerals．＆M．L．Huggins54

5．Nonclassical Valence and Chemical Bonding．＆R．E．Rundle58

C．Constitution of Polymers63

1．Determination of Chain Unit Structure,Stereoregularity,and Irregularity64

(a)By Infrared．＆S．Krimm64

(b)By Nuclear Magnetic Resonance Spectroscopy．Other Applications of NMR to Polymers．＆F．A．Bovey67

2．Determination of Molecular Weights and of Molecular Weight Distributions．＆D．McIntyre71

3．Determination of Nonlinearity．＆W．H．Stockmayer75

4．Constitution of Network Systems,Gelation,Intermolecular-Intramolecular Polymerizations．＆M．Gordon79

D．Macromolecular Solutions82

1．Conformation of Macromolecules in Relation to Structure．＆C．A．J．Hoeve83

2．Thermodynamics of Polymer Solutions．＆E．F．Casassa86

3．Hydrodynamic Properties of Polymer Molecules in Dilute Solutions．＆B．Zimm91

4．Dielectric Properties of Dilute Solutions．＆H．Benoit,J．and E．Marchal94

5．Polyelectrolyte Solutions．＆U．P．Strauss99

6．Small Angle X-ray Scattering by Polymer Solutions．＆V．Luzzati103

E．Solid Polymer Systems106

1．The Glass Transition107

(a)Thermodynamic and Statistical Considerations．＆J．H．Gibbs107

(b)Rate Effects．＆A．J．Kovacs112

2．Melting and Crystalline-Liquid Phase Equilibria．＆L．Mandelkern118

3．Kinetics of Crystallization and Morphology of Semicrystalline Polymers．＆L．Mandelkern122

4．Thermal Conductivity;Heat Capacity．＆M．Dole127

5．X-Ray Crystallographic Studies and Chain Conformations in Crystalline Polymers．＆M．L．Huggins132

6．Orientation and Strain-induced Crystallization．＆R．S．Stein137

F．Mechanical Properties141

1．Rubberlike Elasticity．＆P．J．Flory142

2．Viscosity and Diffusion in Bulk and in Concentrated Solution．＆T．G．Fox145

3．Linear Viscoelastic Phenomena．＆J．D．Ferry149

4．Nonlinear Viscoelastic Properties．＆H．Markovitz153

5．Ultimate Properties．＆T．L．Smith157

6．Properties of Heterogeneous Systems．＆T．G．Fox164

7．Mechanochemistry．＆A．Wasserman168

G．Miscellaneous Properties172

1．Dielectric Properties(Excluding Dilute Solutions)．＆L．de Brouckere172

2．Spectral Properties．＆R．S．Stein176

3．Electronic Properties of Solid Polymers．＆H．A．Pohl and M．L．Huggins182

4．Polymers at Surfaces．＆R．Ullman188

5．Permeability and Diffusion in Condensed Systems．＆H．Fujita193

GENERAL AND MISCELLANEOUS REFERENCES198