Advances in Elastomers and Rubber ElasticityJoginder Lal, James E. Mark The present book is a sequel to "Elastomers and Rubber Elasticity," edited by J.E. Mark and J. Lal and published by the American Chemical Society in 1982. It is also based on papers presented at an ACS Symposium, sponsored by the Division of Polymer Chemistry, Inc., in this case one held in Chicago in September of 1985. The keynote speaker was to have been Pro fessor Paul J. Flory, and his untimely death just prior to the symposium was a tremendous loss to all of polymer science, in particular to those in terested in elastomeric materials. It is to his memory that this book is dedicated. There has been a great deal of progress in preparing and studying elas tomers since the preceding symposium, which was in 1981. In the case of the synthesis and curing of elastomers, much of the background necessary to an appreciation of these advances is given in the first, introductory chapter. |
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Page 130
... solvent systems were used as the media of polymerization . In the first system , the polydiene center block was prepared in cyclohexane . Alpha - methylstyrene ( AMS ) and a polar solvent tetrahydrofuran ( THF ) were then added . This ...
... solvent systems were used as the media of polymerization . In the first system , the polydiene center block was prepared in cyclohexane . Alpha - methylstyrene ( AMS ) and a polar solvent tetrahydrofuran ( THF ) were then added . This ...
Page 146
... solvent for the poly- ( p - methylstyrene ) phase . Only one DSC peak was observed at -90 ° C when the casting solvent was benzene . Benzene should be a good solvent ( i.e. , non - selective ) for both block segments . These results are ...
... solvent for the poly- ( p - methylstyrene ) phase . Only one DSC peak was observed at -90 ° C when the casting solvent was benzene . Benzene should be a good solvent ( i.e. , non - selective ) for both block segments . These results are ...
Page 172
... solvents for polystyrene but not for PDMS . The stress - strain properties of solvent cast films of the polymers are a function of the solvent used to prepare the film . Table 3 gives the mechanical properties of the same five polymers ...
... solvents for polystyrene but not for PDMS . The stress - strain properties of solvent cast films of the polymers are a function of the solvent used to prepare the film . Table 3 gives the mechanical properties of the same five polymers ...
Contents
Introduction to Synthesis of Elastomers | 1 |
Structure and Properties of Tire Rubbers Prepared | 17 |
Polymer and Chain End Structure in Anionic Diene | 37 |
Copyright | |
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affine anionic antioxidant behavior block polymers butadiene calculated catalyst CH₂ chain end CHDI Chem chemical crosslinking crystalline crystallites crystallization curing curves cyclohexane deformation density diene dynamic mechanical effect elongation end block entanglements equation equilibrium experimental fatigue formation fraction function glass transition temperature groups hard segment content hard segment length higher hydrogenated hydrosilylation increase initiator intramolecular reaction isoprene Macromolecules measurements melting temperature microstructure modulus molecular weight molecules monodisperse monomer observed obtained oligomers orientation P.J. Flory PDMS peak phantom network phase Phys polybutadiene polyether polyisoprene polymerization polystyrene polyurethane-ureas polyurethanes prepared prepolymer PTMO sample scattering segment length distribution shown in Figure soft segment solvent spectra strain stress stress-strain structure styrene swollen synthesis Table theory thermal thermoplastic thermoplastic elastomers tion toluene trans triblock copolymer uniaxial values vinyl content viscoelastic vulcanizates