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270109 VO Colloid and Interface Science (2018W)

Moodle

Registration/Deregistration

Note: The time of your registration within the registration period has no effect on the allocation of places (no first come, first served).

Details

max. 50 participants

Language: English

Examination dates

Lecturers

Classes (iCal) - next class is marked with N

Friday 05.10. 09:30 - 12:00 Seminarraum 2 Währinger Straße 38 Dekanat 1. Stock
Friday 12.10. 09:30 - 12:00 Seminarraum 2 Währinger Straße 38 Dekanat 1. Stock
Friday 19.10. 09:30 - 12:00 Seminarraum 2 Währinger Straße 38 Dekanat 1. Stock
Friday 09.11. 09:30 - 12:00 Seminarraum 2 Währinger Straße 38 Dekanat 1. Stock
Seminarraum 2 Währinger Straße 38 Dekanat 1. Stock
Friday 16.11. 09:30 - 12:00 Seminarraum 4 Institut Physikalische Chemie HP Währinger Straße 42
Friday 23.11. 09:30 - 12:00 Seminarraum 4 Institut Physikalische Chemie HP Währinger Straße 42
Friday 30.11. 09:30 - 12:00 Seminarraum 4 Institut Physikalische Chemie HP Währinger Straße 42
Friday 07.12. 09:30 - 12:00 Seminarraum 4 Institut Physikalische Chemie HP Währinger Straße 42
Friday 14.12. 09:30 - 12:00 Seminarraum 4 Institut Physikalische Chemie HP Währinger Straße 42
Friday 11.01. 09:30 - 12:00 Seminarraum 4 Institut Physikalische Chemie HP Währinger Straße 42
Friday 18.01. 09:30 - 12:00 Seminarraum 4 Institut Physikalische Chemie HP Währinger Straße 42
Friday 25.01. 09:30 - 12:00 Seminarraum 4 Institut Physikalische Chemie HP Währinger Straße 42

Information

Aims, contents and method of the course

For the students to familiarise themselves with the fundamentals of colloid and interface science and how they can be applied, for example to understand the nature of the various inter-particle forces, how they can be calculated and applied. Furthermore, understanding the origins of surface tension and how it can be altered, e.g. by the addition of surfactants, and knowing the nature of different classes of surfactants, and how they modify the properties of interfaces, be they solid, liquid or gas. Introduction into rheological concepts and viscoelasticity.

Topics:
Particle interactions: van der Waals Forces, Electrical Double layer, the effect of Polymers
Kinetic properties of particles
Interfaces: solid-gas, solid-liquid, liquid-liquid
Surface/Interfacial Tension and Wetting
Surfactants
Emulsions
Rheology of dispersed media

Assessment and permitted materials

oral examination

Minimum requirements and assessment criteria

At the end of the course the students should know:
- significant forces between colloidal particles, how they can be calculated in approximation and exactly and how they can be measured
- how to form emulsions and foams and the physical properties required for stable foams and emulsions to form
- how to manipulate the wettability of surfaces
- why surfactants are active at interfaces and be able to choose which type/class of surfactant would be best to use in certain situations, specifically which would be good to form emulsions, as dispersants and good wetting agents, which would be good to destabilise emulsions
- why rheological properties are important in many applications and how to alter them

Examination topics

Lectures, problems, self learning

Reading list

Stokes R.J. &. Evans D.F, Fundamentals of Interfacial Engineering, Wiley, 1997
Berg, JC An introduction to interfaces and colloids: The bridge to nanoscience
Aveyard, R. and Haydon, D. A. An Introduction to the Principles of Surface Chemistry. University Press: Cambridge, 1973
P. Becher, Emulsions and Emulsion Technology (Marcel Dekker), 1983. (see also 1985, 1987)
M.J. Rosen, Surfactants and Interfacial Phenomena, 3rd Ed., John Wiley & Sons Inc, Chichester, 2004.
K. Holmberg, et al., Surfactants and Polymers in Aqueous Solutions, 2nd Ed., John Wiley & Sons Inc, Chichester, 2003.

Association in the course directory

PC-5, MC-3, A.4, D.1

Last modified: Mo 07.09.2020 15:41