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  • Question
  • Zeigler - Natta catalyst (AlR3 - AlCl3) is used in the polymerisation of


  • Options
  • A. vinyl acetate
  • B. vinyl chloride
  • C. propylene
  • D. styrene

  • Correct Answer
  • propylene 


  • Polymer Technology problems


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    • 1. Lavatory cisterns are normally made of

    • Options
    • A. expanded polystyrene
    • B. saturated polyester
    • C. perspex
    • D. PVC
    • Discuss
    • 2. Which of the following is generally not used as eord for synthetic rubber tyre casing?

    • Options
    • A. Dacron
    • B. Nylon
    • C. Cellulose
    • D. None of these
    • Discuss
    • 3. Nitrile rubber is produced by the polymerisation of

    • Options
    • A. acrylonitrile & butadiene.
    • B. acrylonitrile & styrene.
    • C. isobutylene & isoprene.
    • D. none of these.
    • Discuss
    • 4. The main use of butadiene is

    • Options
    • A. as a plasticiser for unsaturated polyester.
    • B. in the manufacture of synthetic rubber.
    • C. as an anti-skimming agent in paint.
    • D. none of these.
    • Discuss
    • 5. Which of the following polymers has the tendency of decomposing before melting?

    • Options
    • A. Polystyrene
    • B. Nylon
    • C. PVC
    • D. None of these
    • Discuss
    • 6. __________ is not a polyester fibre.

    • Options
    • A. Terylene
    • B. Dacron
    • C. Nylon
    • D. Polyacrylonitrite
    • Discuss
    • 7. Nylon-6 is manufactured from

    • Options
    • A. caprolactum.
    • B. adipic acid and hexamethylene diamine.
    • C. maleic anhydride and hexamethylene diamine.
    • D. sebasic acid and hexamethylene diamine.
    • Discuss
    • 8. Styrene butadiene rubber (SBR) as compared to natural rubber has

    • Options
    • A. poor tensile strength.
    • B. poorer resistance.
    • C. greater amount of heat build up heavy loading.
    • D. all (a), (b) ana (c).
    • Discuss
    • 9. Which of the following low molecular weight (<104 ), soft & waxy polymer is used in chewing gum?

    • Options
    • A. Cellulose acetate
    • B. Polyvinyl acetate
    • C. Thiokol
    • D. PVC
    • Discuss
    • 10. Neoprene is a

    • Options
    • A. monomer
    • B. synthetic rubber
    • C. polyester
    • D. none of these
    • Discuss


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