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BL
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| Record Number
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772746
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b592740
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| Main Entry
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edited by O. Güven.
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| Title & Author
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Crosslinking and Scission in Polymers\ edited by O. Güven.
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| Publication Statement
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Dordrecht Springer Netherlands, 1990
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| Series Statement
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NATO ASI series., Series C,, Mathematical and physical sciences ;, 292.
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| Page. NO
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(XII, 254 p.).
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| ISBN
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9400919247
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: 9789400919242
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| Contents
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Molecular Weight Changes and Network Formation by Scission and Crosslinking --; Main Chain Scission of Polymers --; Crosslinking --; Random Crosslinking --; Enhanced Crosslinking --; Other Forms of Crosslinking --; Combined Crosslinking and Scission --; Antioxidants --; Fillers --; Crosslinking of Polymers in Solution --; References --; High Energy Radiation-and UV Light-Induced Crosslinking and Chain Scission --; Importance of Radiation-Induced Crosslinking and Main-Chain Scission in Linear Polymers --; Types of Radiation and Radiation Sources --; Absorption of Radiation --; General Aspects Concerning XL and CS in Linear Polymers --; Random and Specific Site Attacks --; Detection of XL and CS --; Simultaneous XL and CS Mechanisms --; Ion Beam-Induced Radiation Effects in Linear Polymers --; X-Ray-Induced Radiation Effects in Linear Polymers --; References --; Main-Chain Scission of Linear Polymers as Studied by Pulse Radiolysis and Flash Photolysis --; Studies on the Dynamics of Macromolecules in Solution --; Studies Concerning Intramolecular Interactions --; Studies Concerning Preferential Solvation --; Studies Concerning the Dynamics of Polynucleotides --; Detachment of DNA Double Strands --; Lifetime of Salt Bridges --; Concluding Remarks --; References --; Carbon 13 NMR of Gamma-Irradiated Polyethylenes --; Carbon 13 NMR of Polyethylene --; Severe Melt Processing of Polyethylene --; Irradiation of Polyethylene-Solution NMR --; Carbon 13 NMR of n-Hexatriacontane --; Carbon 13 NMR Spectra of NBS 1475 before and after 60Co Gamma Irradiation --; Carbon 13 NMR Spectra of Marlex 6003 before and after 60Co Gamma Irradiation --; Irradiation of Polyethylene-NMR of the Solid State --; Summary --; Acknowledgements --; References --; The Use of Pulsed NMR to Determine Network Formation by Crosslinking and Entanglement --; References --; Methods for Studying the Effects of High-Energy Irradiation on the Mechanical and Electric Properties of Polymers --; Mechanical Properties --; Modulus and Compliance --; Ultimate Mechanical Properties --; Recovery --; Electrical Properties --; Multiple Transitions and Molecular Mobilities --; Physical Ageing --; Experimental Technique and Examples --; Time-Domain Techniques --; Frequency-Domain Methods --; Temperature-Domain Methods --; Thermally Stimulated Electrical Current-Fluctuations --; Conclusions --; References --; Thermally Stimulated Discharge and Dielectric Measurements of Cure in Resins and Gelled Materials --; Influence of Gelation of Polar Media --; Interfacial Regions in Copolymer Systems --; Phase Separation Processes --; Conclusion --; Recommended Reading --; Ultrasonic and Viscoelastic Studies of Chain Entanglement in Polymer Solutions --; Dynamic Properties of Isolated Polymer Chains in Solution --; Ultrasonic Relaxation Measurements on Polymer Solutions --; Viscoelastic Processes --; Ultrasonic Studies of Entangled Polymer Systems --; Phase Separation in SBS Solutions --; Ultrasonic Studies of Network Formation in Rigid Networks --; Recommended Reading --; Specific Papers --; Determination of Cross-Link Density in Amorphous Networks by Stress-Strain-Swelling Experiments --; Molecular Constitution of a Network --; Macroscopic Deformation --; Microscopic Deformation --; The Elastic Free Energy of the Single Chain and the Network --; The Affine Network Model --; The Phantom Network Model --; Stress-Strain Relations for the Phantom and Affine Network Models in Simple Tension --; The Constrained Junction Theory of Networks --; Determination of the Degree of Cross-Linking by Equilibrium Swelling Measurements --; Numerical Example of Cross-Link Density Calculation --; Deviations From Ideal Network Behavior --; Conclusions and Discussion --; References --; Formation and Properties of Thermosetting and High Tg Systems --; The Time-Temperature-Transformation (TTT) Isothermal Cure Diagram --; Anomalous Properties Versus Extent of Cure --; The Continuous Heating Time-Temperature-Transformation (CHT) Cure Diagram --; Linear Polymerization and the TTT Diagram --; Solvent-Based Reactive Systems and the TTT Diagram --; The Glass Transition Temperature, Tg, as a Characterizing Parameter for Reactive Systems --; Torsion Pendulum (TP) and Torsional Braid Analysis (TBA): Techniques for Characterizing the Cure and Properties of Thermosetting Systems --; TP/TBA-Modes --; Instrumentation --; Applications --; Acknowledgement --; References --; Dynamic Shear Compliance of Polymer Melts and Networks --; The Master Curve and its Analysis --; The Meander Superstructure and its Shear Deformation Modes --; Viscoelasticity of Polymer Fractions and Binary Blends in the Melt --; The Shear Compliance of Polymer Networks in Dependence on Crosslink Density --; The Glass Relaxation Process --; The Shearband Process --; The Effect of Filler on the Dynamic Shear Compliance --; Conclusion --; Acknowledgement --; References --; Paraelasticity of Organic Colloid Systems --; Paraelastic Relaxation Strength --; Clay Organic Complexes --; Oriented Stacks of Lipid Lamellae --; The n-alkanes in the Waxy State --; Polymer Melts and Networks in the Rubbery State (plateau compliance) --; Conclusion --; Acknowledgement --; References --; The Use of Size Exclusion Chromatography in the Studies of Crosslinking and Chain Scission in Polymers --; Chain Scission --; Crosslinking --; References.
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| Abstract
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MOLECULAR WEIGHr CHANGES AND NE1WORK FORMATION BY SCISSION AND CROSSUNKING A. Charlesby 1 Introduction Main Chain Scission of Polymers ____________________________ _ ________________________ _ 1 Crosslinking ______ . . . . . . . . . . . . . . . . . . . . . . _ . . . . . . . _ . . . . . . . . . . . . . . . . _ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . __ . . . . _ . . . . . . . . . . . _ . . . . . . . . ___ . . _. __ . . . . _. _. _____ . _____ . _ 4 5 Random Crosslinking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _ . . . . . . . _ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Enhanced Crosslinking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Other Forms of Crosslinking . . . . . . . . . . . . . _ . . . . . . . . . . . . . . . . . _ . . . . . . . . . . . . . . . _ . . . . . . . . . . . . . . . . _. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Combined Crosslinking and Scission ___________ _________________ ______ _ ______________ . _. _. 11 Antioxidants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Fillers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _ . . . . . . . . . . __ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . __ . . . 12 Crosslinking of Polymers in Solution ________________________________ . . ______________ . . . . __ 12 References _. __ _ 13 HIGH ENERGY RADIATION-AND UV UGHr-INDUCED CROSSLINKING AND CHAIN SCISSION w. Schnabel Introduction 15 Importance of Radiation-Induced Crosslinking and Main-Chain Scission in Linear Polymers ___________________________ _________________ 15 TYPes of Radiation and Radiation Sources _. ___________________________ . . . . . . . . . _ . . . . . . _ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _ . . . . . . . . . . _. _. _ . . __ . . . 16 Absorption of Radiation . . _ . . . . _ . . . . . . _ . . _ . . __ . _ . . . . . . . . ____ . . . _ . . . . . . . . . . . . __ . . . . _ . . . . . . . . . _ . . . . _ . . . . . . _ . . . _ . . _ . . . . . . . . . . . . . . . . . . . . . _ . . . . . __ . . . . . . . . . . . _ . . . . . _____ . . . . . . . . . ___ . . . 16 General Aspects Concerning XL and CS in Linear Polymers ______________________ . _________ . _____ . _____ 22 Random and Specific Site Attacks . . . . . . . _. ____ . _ . . . _ . . . . . . . . . . __ . . . . . . . . . . . . . _ . . ___ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _ . . . . . _ . . . . . __ . . . . _ . . . . . . _ . . . . __ . ___ . . . . . . . . . . __ . . _ 22 Detection of XL and CS . . . _. _ . . . . . . . . . . . . . . . _. __ . . . _ . . . . . . . . . . . . ___ . . . . . . . __ . . . _ . . . _ . . . . . . . . ____ . . . . . . . . . . . . . . . . . . _ . . . . _ . . . . . _ . . . . . . . . . . . . . . . . . . . . __ . . . . . _ . . . . _ . . . . . _. _ . . . . _ . . . . . . . 22 Simultaneous XL and CS Mechanisms 25 Ion Beam-Induced Radiation Effects In Linear Polymers ____________________________________________________ .
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| Subject
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Crosslinking (Polymerization)
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Polymers -- Mechanical properties -- Congresses.
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| Subject
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Scission (Chemistry)
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| Added Entry
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O Güven
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| Parallel Title
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Proceedings of the NATO Advanced Study Institute on Advanced Methods of Determination of Crosslinking and Scission in Polymers and Their Effects on Mechanical Properties, Kemer-Antalya, Turkey, September 4-16, 1988
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