Polymer & Rubber materials - I(Department Elective- III) — Summer 2018

Write a note on thermoplastic polymers.

Write difference between GPPS and HIPS.

Draw chemical structure of: Nylon 6,Nylon 6,6, Nylon 6,10, PMMA, PET, PVC, PP

How PET is synthesized? Write the chemistry behind its synthesis.

Write a note on ‘Sioplas Silane method for PE cross linking’.

Distinguish various properties of polyethylene and polyamides.

Name plastic involved in oxygen barrier film formation. Write in detail about synthesis, and applications of suggested polymer.

Write various properties of PTT.

Write short note on ‘Azo method for PE cross linking’.

Explain in detail production of nylon 6,6 plastic material with flow sheet.

Give one method of synthesis of PAN polymer.

Explain the preparation and properties of polyacrylic acid.

Write the synthesis and applications of SAN polymer.

Suggest polymer for housing of washing machine and give its synthesis too.

Write in brief about the major properties and applications of SMA copolymer.

How Polystyrene plastic can be synthesized, explain with the help of flow sheet.

Arrange the following in ascending order of T : PMMA, PET, PVC. g

What is the difference between liquid crystal polymers and conventional crystalline polymers in the melt at rest and during shear? Support your answer with the help of neat sketch.

Suggest polymer for under water safe guard for aquarium. Elaborate in detail the production of suggested plastic material with the help of flow sheets.

How polypropylene is prepared, support your answer with chemistry involved in it.

What are polysulphones? Give their synthesis methods.

Elaborate production of LDPE plastic material with the help of flow sheet.1

Arrange the following in descending order of Tg: PS, PE, PBT.

Write a note on PEEK.

Explain phosgination route for Polycarbonate synthesis and also write various applications of Polycarbonate.