Crosslinking and Scission in Polymers edited by O. Güven.

MOLECULAR WEIGHr CHANGES AND NE1WORK FORMATION BY SCISSION AND CROSSUNKING A. Charlesby 1 Introduction Main Chain Scission of Polymers ____________________________ _ ________________________ _ 1 Crosslinking ______ . . . . . . . . . . . . . . . . . . . . . . _ . . . . . . . _ . . . . . . . . . . . ....

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Corporate Author: SpringerLink (Online service)
Other Authors: Güven, O. (Editor)
Format: eBook
Language:English
Published: Dordrecht : Springer Netherlands : Imprint: Springer, 1990.
Edition:1st ed. 1990.
Series:Nato Science Series C:, Mathematical and Physical Sciences, 292
Springer eBook Collection.
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Online Access:Click to view e-book
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Electronic access restricted to members of the Holy Cross Community.

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245 1 0 |a Crosslinking and Scission in Polymers  |h [electronic resource] /  |c edited by O. Güven. 
246 3 |a 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 
250 |a 1st ed. 1990. 
264 1 |a Dordrecht :  |b Springer Netherlands :  |b Imprint: Springer,  |c 1990. 
300 |a XII, 254 p.  |b online resource. 
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490 1 |a Nato Science Series C:, Mathematical and Physical Sciences,  |x 1389-2185 ;  |v 292 
490 1 |a Springer eBook Collection 
505 0 |a 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. 
520 |a 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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650 0 |a Polymers  . 
650 0 |a Organic chemistry. 
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