Crosslinking and Scission in Polymers [E-Book] / 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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Full text |
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Personal Name(s): | Güven, O., editor |
Imprint: |
Dordrecht :
Springer,
1990
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Physical Description: |
XII, 254 p. online resource. |
Note: |
englisch |
ISBN: |
9789400919242 |
DOI: |
10.1007/978-94-009-1924-2 |
Series Title: |
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NATO ASI Series, Series C: Mathematical and Physical Sciences ;
292 |
Subject (LOC): |
- 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.