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2003 Course Polymer Composites & Blends

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Total No. of Questions : 12] [Total No. of Pages : 3 P949 [3664] - 295 B.E. (Polymer Engineering) POLYMER COMPOSITES AND BLENDS (2003 Course) (409363) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer 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) c) Discuss in detail all E s or advantages in employing polymer blend technology. [6] Classify the polymer alloys and blends on the basis of Miscibility and methods of preparation with one example. [8] Discuss the significances related to processing via polymer blend technology. [4] OR Q2) a) Explain different polymeric modifier used to improve the following properties such as impact strength, chemical resistance, heat deflection temperature, flame resistance and barrier properties. [8] b) Explain the term polymer alloy with its importance. c) Discuss the advantages and disadvantages of the following engineering polymeric modifier : [6] i) Polycarbonate. ii) [4] Acrylonitrile Butadiene Styrene (ABS). P.T.O.

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