Zeigler – Natta catalyst (AlR3 – AlCl3) is used in the polymerisation of_________________?

Related Mcqs:

Transistor parts and refrigerator components are normally made of_____________________?

A. Polystyrene B. Polyester C. High density polythene D. Polyurethane...

Glyptal used in the manufacture of paints & lacquers is a _____________ polymer?

A. Polyamide B. Polystyrene C. Polyester D. Polyacrylonitrile...

Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to _________________?

A. Protect rubber goods from attack by oxygen & ozone present in the atmosphere B. Reduce its viscosity to permit easier processing C. Reduce the time of vulcanisation and quantity of vulcanising agent D. Increase its viscosity...

Which of the following is generally not drawn into fiber ?

A. Polyamide B. Unsaturated polyesters C. Saturated polyesters D. Polyacrylonitrile...

Polyvinyl chloride (PVC) ____________________?

A. Is produced by Polycondensation reaction B. Uses either emulsion or suspension polymerisation methods C. Can be made thermosetting by adding a plasticiser D. Softening temperature is 200°C...