GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VI(NEW) - EXAMINATION - SUMMER 2019
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Subject Code:2163606 Date:21/05/2019
Subject Name:Compounding & Processing of Plastics & Rubbers-II
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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MARKS
Q.1 (a) Write general note on different vulcanization systems for Rubbers 03
(b) Write a note on side wall compound recipe for Bias Ply tyre. 04
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(c) Write a detailed note on rubber compounding. 07
Q.2 (a) Write a note on Latex/ZnO nanocomposites. 03
(b) Write a detailed compounding for Rickshaw Tyres. 04
(c) Write a detailed note of Sulphur Vulcanization. Explain 07
OR
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(c) Write a detailed compounding recipe of Bias Ply Tyre Tread. 07
Q.3 (a) Explain the basic concept of polymer Rheology 03
(b) Write a note on blending of NBR and PVC. Explain the advantages of NBR/PVC Blends. 04
(c) Write a note on Metallization on Plastics and explain process with the help of diagram. 07
OR
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Q.3 (a) Write a note on preparation of High Impact Polystyrene. 03
(b) Write a note on IPN blends. 04
(c) Write a note on Fiber reinforced plastics(FRP) and their applications. 07
Q.4 (a) Write a note on Optical Brightener(OB). 03
(b) Write a note on different types of Polyblends. 04
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(c) Write detailed note of Peroxide vulcanization. 07
OR
Q.4 (a) Write a note on Plasticizers used in Rubber compounding. 03
(b) Write about manufacturing of ABS/PC alloys ant their applications. 04
(c) Write a detailed-note on Polymer Blending Methods and Equipment used. 07
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Q.5 (a) Explain Microwave vulcanization system with the help of diagram. 03
(b) Write a note on FR systems for Polymer Applications. 04
(c) Write a detailed note on Electroplating on Plastics with examples and its advantages. 07
OR
Q.5 (a) Write anote of Peroxide vulcanization. 03
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(b) Write a note on Processing aids used in Polymer compounding with Examples. 04
(c) Write a note on PVC/CaC03 nanocomposites. Highlight advantages of using nano CaCO3. 07
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