1/1
Seat No.: Enrolment No.:
GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING SEMESTER VII EXAMINATION-SUMMER 2018
Subject Code:372303 Date: 30 -04 -2018
Subject Name: HIGH PERFORMANCE GREEN PLASTICS
Time:02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Each question carry equal marks (14 marks)
Q.1

Explain about Fire Resistant Polymers.
07

Discuss the factors affecting biodegradability of polymer.
07
Q.2

Describe the Melt Blending Technique to prepare polymer alloys blend.
07

Explain properties of Chlorinated Polyether
07
OR

List applications of Poly-Amide-Imides material in various fields.
07
Q.3

Discuss various applications and properties of Barrier Polymers in brief.
07

Explain the importance of polymer alloys blends.
07
OR
Q.3

Write short note :"Thermo Plastic Elastomers (TPE)".
07

Explain various applications and properties of PC/PBT blend in brief.
07
Q.4

Discuss the fundamental properties of PPO/NYLON blend.
07

Define Biodegradable Polymer and list different applications of it.
07
OR
Q.4

List and explain briefly, various additives used to make polymer biodegradable.
07

Classify the Biodegradable Polymers in detail.
07
Q.5

Discuss properties of Poly Lactic Acid material.
07

List various properties applications of Poly Hydroxy Alkanates (PHAs).
07
OR
Q.5

Explain Thermoforming Techniques for Biodegradable Polymers.
07

List advantages disadvantages of Biodegradable Polymers.
07