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 12
Joginder Lal, James E. Mark. CROSSLINKING Crosslinking ( also referred to as vulcanization or curing ) is required for an elastomer to rapidly and completely recover from deformations . Crosslinking can be accomplished either by chemical ...
Joginder Lal, James E. Mark. CROSSLINKING Crosslinking ( also referred to as vulcanization or curing ) is required for an elastomer to rapidly and completely recover from deformations . Crosslinking can be accomplished either by chemical ...
Page 221
... crosslinking of polyacrylic elastomers which contain carboxyl and epoxy groups as cure - sites . We find that the catalytic activity of onium salts correlates with nucleophilicity of their anions . The onium salt catalyzed reaction of a ...
... crosslinking of polyacrylic elastomers which contain carboxyl and epoxy groups as cure - sites . We find that the catalytic activity of onium salts correlates with nucleophilicity of their anions . The onium salt catalyzed reaction of a ...
Page 294
... crosslink junction . Before crosslinking , each chain obeys Gaussian statistics , and the chains are sufficiently long that the Gaussian model is not exceeded when the network is deformed . Upon crosslinking , the chains are fixed in ...
... crosslink junction . Before crosslinking , each chain obeys Gaussian statistics , and the chains are sufficiently long that the Gaussian model is not exceeded when the network is deformed . Upon crosslinking , the chains are fixed in ...
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 CHâ‚‚ 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