Adhesives And Surface Coatings

• Adhesives, concepts and terminology, functions of adhesives, advantages and disadvantages of adhesive bonding, criteria for selection of adhesives.
• Types of adhesives, structural adhesives, Urethane structured adhesives, Modified acrylic structural adhesives, phenolic adhesives and modifiers, anaerobic adhesives, cyanoacrylate adhesives, Hot melt adhesives, pressure sensitive adhesives, RTV Silicone adhesives, sealants, water based adhesives.

• Specialty adhesives, adhesives in aerospace, adhesive in automobile industry, conductive adhesives, adhesives in building construction, adhesive in electrical industry.
• Joint design, stress, types of joints, selection of joint detail, joint criteria, surface preparation of adherend ‐metals, plastics and rubbers. Adhesive bonding process‐ methods for adhesives application and bonding equipment, testing and quality control.

Introduction to surface coatings Components of paints. Pigments, pigment properties, different types, extenders, solvents, oils, driers, diluents, lacquers, varnishes, paint preparation, formulation, factors affecting pigment dispersion, preparation of pigment dispersion.

Different types of paints classification based on polymeric resin, emulsion, oil and alkyd paints, acrylic paints, epoxy coatings, polyurethane, silicones, chlorinated rubbers. Classification based on application, fluro polymers, vinyl resins, appliance furnishes, automotive finishes, coil coatings, can coatings, marine coatings, aircraft coatings. Surface preparation and paint application.

Paint properties and their evaluation, mechanism of film formation, factors affecting coating properties, methods used for film preparation, barrier properties, optical properties, ageing properties, rheological properties and adhesion properties of coatings.