دانلود کتاب Polymeric Surfactants: Dispersion Stability and Industrial Applications

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Cover
Half Title
Also of Interest
Polymeric Surfactants: Dispersion Stability and Industrial Applications
Copyright
Preface
Contents
1. Polymeric surfactants and colloid stability – general introduction
1.1 Polymeric surfactants in disperse systems
1.2 Polymers (macromolecules)
1.3 Single chain conformations
1.4 Polymer properties
1.5 Outline of the book
References
2. General classification of polymeric surfactants
2.1 Homopolymers
2.2 Random copolymers
2.3 Block and graft copolymers
2.4 Polymeric surfactants based on polysaccharides
2.5 Natural polymeric biosurfactants
2.6 Silicone surfactants
2.7 Polymeric surfactants for nonaqueous dispersions
2.8 Polymerizable surfactants
References
3. Solution properties of polymeric surfactants
3.1 Polymer conformation and structure
3.2 Free energy of mixing of polymer with solvent – the Flory–Huggins theory
3.3 Viscosity measurements for characterization of a polymer in solution
3.4 Phase separation of polymer solutions
3.5 Solubility parameter concept for selecting the right solvent for a polymer
References
4. Adsorption and conformation of polymeric surfactants at interfaces
4.1 Introduction
4.2 Polymers at interfaces
4.3 Theories of polymer adsorption
4.4 Scaling theory for polymer adsorption
4.5 Experimental techniques for studying polymeric surfactant adsorption
4.6 Measurement of the adsorption isotherm
4.7 Measurement of the fraction of segments p
4.8 Determination of the segment density distribution ρ(z) and adsorbed layer thickness δh
4.9 Examples of the adsorption isotherms of nonionic polymeric surfactants
4.10 Adsorbed layer thickness results
4.11 Kinetics of polymer adsorption
References
5. Stabilization of disperse systems using polymeric surfactants
5.1 Introduction
5.2 Interaction between particles or droplets containing adsorbed polymer layers
5.2.1 Mixing interaction Gmix
5.2.2 Elastic interaction Gel
5.2.3 Total energy of interaction
5.2.4 Criteria for effective steric stabilization
5.3 Measurement of steric repulsion between adsorbed layers of polymeric surfactants
5.3.1 Surface force methods
5.3.2 Atomic Force Microscopy (AFM) measurements
References
6. Flocculation of disperse systems containing adsorbed polymeric surfactants
6.1 Introduction
6.2 Weak (reversible) flocculation
6.3 Incipient flocculation
6.4 Depletion flocculation
6.5 Bridging flocculation by polymers and polyelectrolytes
References
7. Polymeric surfactants for stabilization of emulsions and nanoemulsions
7.1 Introduction
7.2 Polymeric surfactants for prevention of emulsion and nanoemulsion flocculation
7.3 Polymeric surfactants for reduction of Ostwald ripening
7.4 Polymeric surfactants for reducing (or eliminating) coalescence
References
8. Polymeric surfactants for stabilizing suspensions
8.1 Introduction
8.2 Examples of polymeric surfactants for aqueous suspensions
8.3 Criteria for effective stabilization of suspensions
8.4 Polymeric surfactants for stabilizing preformed latex dispersions
8.5 Polymeric surfactants for stabilizing aqueous suspensions of hydrophobic organic particles
8.6 Assessment of the long-term physical stability of suspensions
8.6.1 Assessment of the structure of the solid/liquid interface
8.6.1.1 Polymer adsorption
8.6.1.2 Assessment of the state of the dispersion
8.6.2 Bulk properties of suspensions
8.6.2.1 Strain sweep measurements
8.6.2.2 Oscillatory sweep
References
9. Polymeric surfactants in emulsion and dispersion polymerization
9.1 Introduction
9.2 Emulsion polymerization
9.3 Dispersion polymerization
References
10. Polymeric surfactants in pharmacy
10.1 Introduction
10.2 PVP/SDS system for stabilizing nanosuspensions of drugs
10.3 Poloxamers for stabilizing suspensions and emulsions in pharmacy
10.4 Polymeric surfactants for the preparation of nanoparticles for drug delivery
References
11. Polymeric surfactants in cosmetics and personal care products
11.1 Introduction
11.2 Stabilization of O/W and W/O emulsions using polymeric surfactants
11.3 Use of polymeric surfactants for stabilizing nanoemulsions in cosmetics
11.4 Stabilizing nonaqueous dispersions for sunscreens
11.5 Use of polymeric surfactants for stabilizing liposome and vesicles
11.6 Polymeric surfactants in multiple emulsions
References
12. Polymeric surfactants in paints and coatings
12.1 Introduction
12.2 Use of polymeric surfactants in emulsion polymerization
12.3 Use of polymeric surfactants for stabilizing preformed latex particles
12.4 Dispersion polymerization
References
13. Polymeric surfactants in agrochemicals
13.1 Introduction
13.2 Polymeric surfactants in suspension concentrates (SCs)
13.3 Emulsion concentrates (EWs)
13.4 Suspoemulsions
13.5 Oil-based suspension concentrates
References
14. Polymeric surfactants in the food industry
14.1 Introduction
14.2 Structure of proteins
14.3 Interfacial properties of proteins at the liquid/liquid interface
14.4 Proteins as emulsifiers
14.5 Protein-polysaccharide interactions in food colloids
14.6 Polysaccharide-surfactant interactions
14.7 Emulsion stability using polymeric surfactants
References
Index