Fibre Science And Rubber Technology:(Assignment 01)
Bhaskaracharya College of Applied
Sciences
(University of Delhi)
B.Sc.(H). Polymer Science VI
semester
Fibre
Science and Rubber Technology-
Assignment (01)
M.M:50 Last
date of submission: 11.3.17
Note
: Attempt all questions
A
- DMT route of PET is slow. Give reasons and suggest remedy for it.
- Mention principal stages of production of PET yarns and fibres
B.
- Describe integrated continuous process of nylon6 production. Comment on merits and demerits of each process.
- Discuss developments of structure of nylon6 and nylon 6,6 along the spinning line
C.
- Give the name of different diene units incorporated in EPDM rubber. Mention the advantages of ENB based EPDM over DCP based EPDM.
- Discuss the continuous curing techniques of rubber articles.
D.
- Write down the mechanism of non-accelerated and accelerated sulphur vulcanization
- Discuss the manufacturing of cold SBR rubber.
E.
Write note on the following
- Spinning manifold of melt spinning
- Jute fibre
- MBT accelerator
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