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2003 Course Polymer Technology (Elective I)

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Total No. of Questions : 12] P1168 [Total No. of Pages : 3 [3664]-279 B.E. (Chemical) POLYMER TECHNOLOGY (Elective - I) (2003 Course) (409341) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer 3 questions from Section - I and 3 questions from Section - II. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Assume suitable data, if necessary. SECTION - I Q1) Classify different polymers based on structure, method of synthesis, Geometry, thermoset and Thermoplastics. Discuss the effect different factors that influences polymer properties. [16] OR Q2) Differentiate the natural polymer and synthetic polymers classify the polymer based on tacticity, (Atactic, Syndiotatic, isotactic). Classify and discuss [16] different polymers based on linear and cross linked polymers. Q3) What are different polymerization techniques are available. Explain different physical aspects which need to consider during selection of technique. Explain in detail suspension polymerization technique along with engineering aspects of suspension polymerization. [16] OR Q4) a) Differentiate addition polymerization and condensation polymerization alongwith suitable example. [6] b) What is difference between suspension polymerization and emulsion polymerization? Explain Smith and Ewart Kinetics used for predicting rate of Emulsion polymerization. Discuss in detail Emulsion polymerization technique and its applications. [10] P.T.O.

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