Polymer Alloys and Blends (2182302)  

Syllabus

Sr. Topics Teaching Hours Module Weightage
1
Introduction:
Alloying & blending -definition-need to alloy & blend polymerspolymer that can be blended-introduction to composites-raw material selection criteria
5
10 %
2
Alloys & blends
Introduction: historical outline of industrial development of polymer alloys and blends-definitions-the reasons for and methods of blendinghow to select blend components-fundamental principles for development of polymer alloys and blends.
6
10 %
3
Polymer-polymer miscibility:
general principles of phase equilibria calculation-theories of liquid mixtures containing polymer: HugginsFlory theory, eqt. of state theories, Gas-lattice model, etc; Mechanisms of phase separation-general types of Polymer blends-polymer crystallization-morphology of blends-measurement of polymer/polymer interaction
7
20 %
4
Blend preparation equipments:
mixers’ and their various types like banbury, hot and cold mixers, twin screw compounders, and two- roll mills, etc. Design features of these equipments like rotor types, screws and their various types; flow behavior of the plastic material in the mixing equipments, theory of mixing etc
10
20 %
5
Characterization of Blends:
characterization techniques like differential scanning Calorimetry, UVIR, FTIR, scanning electron micrographs, etc
10
15 %
6
Commercial polymer alloys and blends
blends of engineering and commodit plastics like PVC/ABS, PVC/SAN, PVC/NBR, PC/PET, PC/PBT, PC/ABS; PPO/HIPS etc. study in detail along with properties and applications.
14
25 %