JNTUA B.Tech. R20 Regulations

########## JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY ANANTAPUR B.Tech III-II Sem L T P C 3 0 0 3

##### (20A51701) CHEMISTRY OF POLYMERS AND ITS APPLICATIONS Course Objectives:

- • To understand the basic principles of polymers
- • To synthesize the different polymeric materials and their characterization by various instrumental methods.
- • To impart knowledge to the students about fundamental concepts of Hydro gels of polymer networks, surface phenomenon by micelles
- • To enumerate the applications of polymers in engineering

##### Course Outcome

- • At the end of the course, the student will be able to:
- • Understand the state of art synthesis of Polymeric materials
- • Understand the hydro gels preparation, properties and applications in drug delivery system.
- • Characterize polymers materials using IR, NMR, XRD.
- • Analyze surface phenomenon fo micelles and characterise using photoelectron spectroscopy, ESCA and Auger spectroscopy

###### UNIT and Characterization UNIT and Characterization I :

Basic concepts: monomers, repeat units, degree of polymerization, linear, branched and network polymers, classification of polymers, Polymerization: condensation, addition, radical chain, ionic and coordination and copolymerization. Average molecular weight concepts: number, weight and viscosity average molecular weights, polydispersity and molecular weight distribution Measurement of molecular weight: end group, viscosity, light scattering, osmotic and ultracentrifugation methods, analysis and testing of polymers.

Unit Synthetic Polymers Unit Synthetic Polymers II Addition and condensation polymerization processes - Bulk, Solution, Suspension and Emulsion polymerization. Preparation and significance, classification of polymers based on physical properties, Thermoplastics, Thermosetting plastics, Fibers and elastomers, General Applications. Preparation of Polymers based on different types of monomers, Olefin polymers, Diene polymers, nylons, Urea - formaldehyde, phenol - formaldehyde and melamine Epoxy and Ion exchange resins. Characterization of polymers by IR, NMR, XRD.

###### UNIT Polymers &Modified cellulosics UNIT Polymers &Modified cellulosics III :

Natural Polymers: Chemical & Physical structure, properties, source, important chemical modifications, applications of polymers such as cellulose, lignin, starch, rosin, shellac, latexes, vegetable oils and gums, proteins. Modified cellulosics: Cellulose esters and ethers such as Ethyl cellulose, CMC, HPMC, cellulose acetals, Liquid crystalline polymers; specialty plastics- PES, PAES, PEEK, PEAK.

###### Learning Outcomes:

###### UNIT of Polymer networks and Drug delivery UNIT of Polymer networks and Drug delivery IV:

Definitions of Hydrogel, polymer networks, Types of polymer networks, Methods involved in hydrogel preparation, Classification, Properties of hydrogels, Applications of hydrogels in drug delivery. Introduction to drug systems including, drug development, regulation, absorption and disposition, routes of administration and dosage forms. Advanced drug delivery systems and controlled release.

###### UNIT phenomena UNIT phenomena V :

Surface tension, adsorption on solids, electrical phenomena at interfaces including electrokinetics, micelles, reverse micelles, solubilization. Application of photoelectron spectroscopy, ESCAand Auger spectroscopy to the study of surfaces.