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  • Question
  • Glyptal used in the manufacture of paints & lacquers is a __________ polymer.


  • Options
  • A. polyamide
  • B. polystyrene
  • C. polyester
  • D. polyacrylonitrile

  • Correct Answer
  • polyester 


  • Polymer Technology problems


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    • 1. Condensation polymerisation is not involved in the manufacture of

    • Options
    • A. teflon
    • B. polythene
    • C. terylene
    • D. nylon
    • Discuss
    • 2. Alkyd resin is a/an

    • Options
    • A. polyamide
    • B. polyester
    • C. polyolefin
    • D. addition polymer
    • Discuss
    • 3. Polypropylene is preferred to polythene, because the former is

    • Options
    • A. non-inflammable
    • B. harder
    • C. stronger
    • D. both(b) & (c)
    • Discuss
    • 4. Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as

    • Options
    • A. hardeners
    • B. anti-shrinkage agents
    • C. plasticisers
    • D. transparency improver
    • Discuss
    • 5. Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is

    • Options
    • A. Ni
    • B. V2O5
    • C. Fe
    • D. aluminium triethyl combined with titanium tetrachloride
    • Discuss
    • 6. Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C.

    • Options
    • A. -20
    • B. 50
    • C. 250
    • D. 500
    • Discuss
    • 7. Pick out the wrong statement.

    • Options
    • A. Linear polymers are formed from bifunctional groups only and are normally thermoplastic.
    • B. Cross-linked branched chain polymers are either elastometric or thermosetting.
    • C. Branching in case of cross-linked polymers caused by small amount of impurities in bifunctional monomer formulation reduces its solubility and increases the softening point.
    • D. Dibasic acids reacts with dihydric alcohols to give polyesters using addition polymerisation reaction.
    • Discuss
    • 8. Addition polymerisation is not involved in the manufacture of

    • Options
    • A. low density polythene.
    • B. poly vinyl chloride.
    • C. polystyrene.
    • D. polyhexamethylene adipamide.
    • Discuss
    • 9. Neoprene is rendered non-inflammable, because of

    • Options
    • A. its cross-linked structure.
    • B. its linear chain structure.
    • C. the presence of chlorine atoms in its monomer.
    • D. the absence of chlorine atoms in its monomer.
    • Discuss
    • 10. Branched chair polymers as compared to linear polymers have

    • Options
    • A. higher melting point.
    • B. higher tensile strength.
    • C. lower density.
    • D. none of these.
    • Discuss


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