PA4007 Science and Technology of Advanced Coatings Syllabus:

PA4007 Science and Technology of Advanced Coatings Syllabus – Anna University PG Syllabus Regulation 2021

OBJECTIVES:

 To provide theoretical basis of the process of coatings and characteristics of coatings.
 To make the students aware of the different essential components of paints and coatings.
 To introduce to the different kinds of natural and synthetic resins and their applications.
 To understand various preparation technics and characterization of surface coatings.
 To make the students familiar with the basic and recent advancements in coating technologies.

UNIT I INTRODUCTION

Concepts & terminologies, Interfacial tension, Free energy changes, wetting, dispersion, adhesion, Chemistry & Technology of Surfactants.

UNIT II CONCEPT OF DYES & PIGMENTS

Theory of Color; Important Physico-Chemical Characteristics of Pigments, Analysis & testing of pigments Inorganic Pigments; Chemistry, Properties and Applications of carbon black, metallic and metal oxide pigments, Resinated pigments, Organic Pigments, High Performance Pigments & Special Effect Pigments (IR Reflective, anticorrosive, thermo chromic, pearlescent etc), driers, additives, solvents, plasticizers.

UNIT III CHEMISTRY AND TECHNOLOGY OF RESINS

Natural resins like rosin, shellac, Bitumen, Asphalts and Coal tar–Their modifications & uses Chemistry and Technology of Synthetic resins viz. Alkyds, Polyester, Phenolics, Amino, Acrylic & Vinyl resins: Raw materials for these resins, Chemistry of synthesis of these resins, processing techniques, properties & applications of these resins for surface coatings.

UNIT IV MANUFACTURE OF PAINTS & POWDER COATINGS

Powder Coatings, dry distempers, cement paints, oil based distempers and paints, other stiff paints, putties. Marking and labeling of packaged products, Solvent emission, recovery and disposal, environmental, health and safety issues

UNIT V VARIOUS SURFACE COATINGS

Preparation and characteristics of Coil Coating, UV cured coating, Waterborne PU Coatings, Non Stick coatings, Smart Coatings, super hydrophobic coatings, electro wetting, Hygienic Coatings, protective coatings, marine coatings, automotive and aerospace coatings Study of important characteristics of surface coating : Rheological properties, Optical Properties, Adhesion and Mechanical properties, Corrosion and Chemical resisting properties, Film thickness, Liquid Paint analysis according to ASTM, BIS and BS Standards, Characterization of Varnishes according to ASTM, BIS and BSS Standards.

TOTAL: 45 PERIODS

OUTCOMES:

At the end of the course, students will be able to
 Appreciate the economical and societal importance of paints and coatings.
 Familiarize with the components used in paints and will be able to predict the properties with varying compositions of the components.
 Learn about different kinds of natural and synthetic resins and its applications
 Gain knowledge about the manufacturing techniques for paints and coatings and the advancements in coating technologies.
 Understand different characteristics of surface coatings

REFERENCES

1. Arthur A. Tracton (Ed.), Coatings Technology Handbook, CRC press, 2006.
2. Werner Freitag, Dieter Stoye (ed.), Paints, Coatings and Solvents, 2nd edition, Wiley-VCH, 2008.
3. Güngör Gündüz, Chemistry, Materials, and Properties of Surface Coatings: Traditional and evolving technologies. DEStech Publications, Inc., 2016.
4. Philip A. Schweitzer, P.E., Paint and Coatings: Applications and Corrosion Resistance, Taylor & francis group, 2005.
5. Swaraj Paul, Surface coatings: Science & Technology, Wiley, 1996.
6. R Lambourne, T A Strivens (Ed.) Paint and Surface Coatings: Theory and Practice, 2nd Edition, Woodhead publishing ltd, 1999.