AIMS AND LEARNING OUTCOMES

A good understanding of the major colloid and surface phenomena; a first grasp of acknowledged theories and frameworks; a simple approach to some important experimental techniques; a basic knowledge of various industrial applications.

This class contributes to the achievement of the following 2030 ONU Agenda sustainability Goals:

Goal 4. Ensure inclusive and equitable quality education and promote lifelong learning opportunities for all

Goal 5. Achieve gender equality and empower all women and girls

Goal 9. Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation

Goal 12. Ensure sustainable consumption and production patterns.

PREREQUISITES

A good mastery of the major principles and laws of physics and physical chemistry

TEACHING METHODS

Lectures

SYLLABUS/CONTENT

Introduction (colloid and surface physical chemistry) – Intermolecular forces and electric properties of molecules – Interparticle forces: Van der Waals, electrostatic, steric interactions, total interaction free energy, DLVO theory and colloid stability – Colloidal dispersions: preparation methods; kinetic, rheological, electrical properties; coagulation, reversible flocculation; examples of industrial products –Emulsions and foams: preparation and destruction methods; examples of industrial products – Interfacial phenomena: interfacial tension, Laplace equation, contact angle, Young equation; surfactants, surface activity, Gibbs equation, monomolecular films; examples of industrial processes.

RECOMMENDED READING/BIBLIOGRAPHY

J.N. Israelachvili: Intermolecular and Surface Forces, Academic Press

A.W. Adamson and A.P. Gast: Physical Chemistry of Surfaces, Wiley

H.J. Butt, K. Graf, M Kappl: Physics and Chemistry of Interfaces, Wiley