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2003 Course Polymer Composites & Blends

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Total No. of Questions : 12] [Total No. of Pages : 3 P1099 [3864] - 383 B.E. (Polymer Engineering) POLYMER COMPOSITES AND BLENDS (2003 Course) (409363) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answers to the two sections should be written in separate books. 2) Draw neat diagrams wherever necessary. 3) Numbers to the right indicate full marks. 4) Assume suitable data, if necessary. 5) Use of logarithmic table, electronic pocket calculators is allowed. SECTION - I Q1) a) b) Discuss Toughening of polymers via polymer blend technology with two examples. [10] Discuss any two methods of polymer blend preparation. [8] OR Q2) a) Discuss in detail the Property relationships of a blend with its components with suitable property response curve. [8] b) Draw and explain in detail the schematic representation of the steps to be taken when developing polymer alloys and blends with a specified set of desired performance characteristics. [10] Q3) a) b) Write a note on Polymer Blend Morphology. [8] Distinguish between Coupling agent Vs Compatibilizer. [8] OR Q4) a) b) Write a note on Thermodynamics in polymer blend technology. [10] Discuss with one example the role of Maleic Anhydride grafted polymers in blend Technology. [6] P.T.O.

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