Basics of elastomers mechanical properties

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Table of contents

GENERAL INTRODUCTION
CHAPTER 1 – From molecular dynamics to strong self-adhesion properties
1 Elastomers and their molecular dynamics
1.1 Processing and key properties of elastomers
1.2 Physics of rubber elasticity
1.3 Dynamics of viscoelastic materials
2 Introduction to the adhesion of soft materials
2.1 Adhesive performance of soft materials
2.2 Macroscopic characterization of adhesion
2.3 Comments
3 Formation of a strong interface
3.1 Molecular theories
3.2 Formation of intimate contact
3.3 Polymer interfaces between polymer melts
4 Energy dissipation as key to boost adhesion strength
4.1 Introduction to debonding in soft materials
4.2 Predicting debonding mechanisms from linear rheology
4.3 Non-linear fibrillation
4.4 End of the story: final detachment
5 Effect of molar mass on adhesion
6 Nitrile Butadiene Rubber (NBR)
6.1 Introduction to poly(acrylonitrile-co-butadiene)
6.2 Adhesion and self-adhesion properties of NBR
7 Conclusion
8 References
CHAPTER 2 – Characterization of nitrile rubber
1. Material characterizations
1.1 Average molecular weight
1.2 Acrylonitrile content
2. Characterization of mechanical properties
2.1 Linear rheology
2.1 Uniaxial tensile tests
3. Characterization of adhesion properties
3.1 Choice of the characterization method
3.2 Probe-tack tests
3.3 Samples’ preparation
3.4 Self-adhesion properties
4. Conclusions and discussion
4.1 Discussion
4.2 Conclusions
5. References
CHAPTER 3 – NBR as supramolecular rubber
1. Supramolecular behavior of NBR
1.1. Ageing of the materials at room temperature
1.2. Dissolution of NBR in a solvent to accelerate ageing process
1.3. Conclusions
2. Study of structure formation in NBR
2.1. Literature
2.2. X-Ray Scattering
2.3. Atomic Force Microscopy
2.4. Transmission Electron Microscopy
2.5. 1H NMR study
2.6. Conclusions and discussion
3. “Self”-adhesion properties
3.1. Literature on block copolymers
3.2. Influence of NBR structure on its self-adhesion properties
3.3. Self-adhesion properties of freshly extruded NBR
4. Conclusions
5. References
CHAPTER 4 – Influence of tackifiers on the self-adhesion of nitrile rubber
1. Literature on the blending of tackifiers
1.1. General picture
1.2. Influence of the nature and the amount of tackifier
1.3. Additives in phase-separated materials
1.4. Conclusion and discussion
2. Introduction
2.1. Materials
2.2. Sample preparation
2.3. Objectives
3. Blending of 3% tackifier in NBR
3.1. Self-adhesion properties
3.2. Bulk properties and structure
3.3. Conclusion and discussion
4. Blending of a high tackifier content in NBR
4.1. Self-adhesion properties
4.2. Properties of the high concentration blends
5. Conclusion
6. References
CHAPTER 5 – Surface effects on the self-adhesion of nitrile rubber
1. Introduction to solvent welding
1.1. Literature
1.2. Methods
2. Influence of solvent welding on the adhesion and adhesion of NBR
2.1. Adhesion of welded NBR on glass
2.2. Self-adhesion of welded NBR
3. Influence of the solvent
3.1. Presentation of the different solvents
3.2. Influence of solvent’s quality for the polymer
3.3. Importance of solvents’ vapor pressure
3.4. Site-specific swelling for welding
3.5. Influence of the dipole moment
3.6. Conclusions
4. Effect of microstructure on solvent-welded NBR
4.1. Introduction
4.2. Influence of microstructure of self-adhesion of NBR
4.3. Conclusion
5. Influence of drying conditions
5.1. Effect on the self-adhesion properties
5.2. Investigations
5.3. Discussion
6. Conclusions
7. References
CHAPTER 6 – First insights into PVC-blended nitrile rubbers (NBR/PVC)
1. Literature: Blending of PVC in NBR
1.1. Introduction to NBR/PVC
1.2. Composition-dependent properties
1.3. Nanoscale heterogeneity
2. Samples preparation and characterization
2.1. Blends preparation
2.2. Mechanical properties of NBR/PVC blends
2.3. Structural organization
3. Self-adhesion properties of NBR/PVC
3.1. Samples’ preparation
3.2. Influence of contact time on the self-adhesion properties of NBR/PVC blends
3.3. Solvent welding to enhance self-adhesion properties
3.4. Conclusions and discussion
4. Addition of tackifiers to NBR/PVC
4.1. Self-adhesion properties of NBR/PVC with tackifiers
4.2. Mechanical properties of NBR/PVC with tackifiers
4.3. Discussion
5. General conclusions and discussion
6. References
CONCLUSIONS AND PERSPECTIVES
ANNEXES