Faculty and students of Dept.of Polymer Science attended National Seminar on "Sustainable Infrastructure With Plastics" on February 23, 2017 organized at Federation House, New Delhi 

 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

1. DMT route of PET is slow. Give reasons and suggest remedy for it.
2. Mention principal stages of production of PET yarns and fibres

B.

1. Describe integrated continuous process of nylon6 production. Comment on merits and demerits of each process.
2.  Discuss developments of structure of nylon6 and nylon 6,6 along the spinning line

C.

1. Give the name of different diene  units incorporated in EPDM rubber. Mention the advantages of ENB based EPDM over DCP based EPDM.
2. Discuss the continuous curing techniques of rubber articles. 

D.

1. Write down the mechanism of non-accelerated and accelerated sulphur vulcanization
2. Discuss the manufacturing of cold SBR rubber.

E.     Write note on the following

1. Spinning manifold of melt spinning
2. Jute fibre
3. MBT accelerator